/* ==========================================================================
   Smart Prozor - Modern Web Stylesheet
   Palette:
   - Primary Accent: #f4353d (Smart Red)
   - Accent Hover: #d9222a
   - Main Background: #ffffff (Pure White)
   - Subtle Surface: #f8f9fa / #f3f4f6
   - Primary Text: #28292B (Charcoal Dark)
   - Muted Text: #595B61
   - Border Color: #e5e7eb
   ========================================================================== */

:root {
  --color-primary: #f4353d;
  --color-primary-hover: #d9222a;
  --color-primary-light: #fff1f2;
  --color-primary-border: #fecdd3;
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-subtle: #f3f4f6;
  --color-text: #28292b;
  --color-text-muted: #595b61;
  --color-border: #e5e7eb;
  --color-border-hover: #cbd5e1;
  
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  
  --container-max: 1240px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  max-width: 100%;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Accessibility Skip Link (WCAG 2.4.1) */
.skip-link {
  position: absolute;
  top: -120px;
  left: 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
  z-index: 9999;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid #28292b;
  outline-offset: 2px;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-spacing {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.bg-surface {
  background-color: var(--color-surface);
}

.bg-white {
  background-color: var(--color-bg);
}

/* Typography & Single-Line Underlined Headings Rule */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-hero-banner {
  text-align: center;
}

.page-hero-banner .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  width: fit-content;
}

/* Single line heading with accent underline strictly on 1 single line across all viewports */
.single-line-heading {
  white-space: nowrap;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  display: block;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  margin-bottom: 1.25rem;
}

.single-line-heading[style*="text-align: left"],
.single-line-heading.heading-left {
  margin-left: 0;
  margin-right: auto;
}

.single-line-heading::after {
  content: "";
  display: block;
  width: 50%;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: 2px;
  margin: 0.5rem auto 0;
}

.single-line-heading[style*="text-align: left"]::after,
.single-line-heading.heading-left::after {
  margin-left: 0;
  margin-right: auto;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Header & Active Page Indicator */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 2rem;
}

.brand-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

/* Active Page Indicator Rule: Inactive links muted, only active link prominent */
.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Nav Dropdown on Usluge */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  cursor: pointer;
}

.nav-dropdown-trigger svg {
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-trigger svg,
.nav-dropdown:focus-within .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 340px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Wide 4-Column Mega Menu for Usluge */
.dropdown-menu-wide {
  width: 980px;
  max-width: 94vw;
  padding: 1.25rem 1.35rem 1rem;
}

.dropdown-mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  width: 100%;
}

.dropdown-col-header {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  padding: 0 0.4rem 0.4rem;
  margin-bottom: 0.35rem;
  border-bottom: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-col-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: normal;
}

.dropdown-col-list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dropdown-link-compact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: 36px;
}

.dropdown-link-compact:hover,
.dropdown-link-compact:focus {
  background-color: var(--color-surface);
  color: var(--color-primary);
  padding-left: 0.7rem;
}

.dropdown-link-compact.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}

.dropdown-link-compact .link-bullet {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-border-hover);
  flex-shrink: 0;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.dropdown-link-compact:hover .link-bullet,
.dropdown-link-compact:focus .link-bullet,
.dropdown-link-compact.active .link-bullet {
  background-color: var(--color-primary);
  transform: scale(1.4);
}

.dropdown-menu-footer {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dropdown-featured-installation {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.dropdown-featured-installation:hover,
.dropdown-featured-installation:focus {
  background-color: var(--color-surface);
}

.dropdown-featured-installation .featured-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dropdown-featured-installation .featured-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  line-height: 1.25;
}

.dropdown-featured-installation .featured-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: block;
  line-height: 1.3;
}

.dropdown-menu-footer-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-menu-footer-note svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--color-surface);
}

.dropdown-item.active {
  background-color: var(--color-primary-light);
}

.dropdown-item.active .dropdown-item-title {
  color: var(--color-primary);
}

.dropdown-item.active .dropdown-item-icon {
  background-color: var(--color-primary);
  color: #ffffff;
}

.dropdown-item-overview {
  background-color: var(--color-primary-light);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
}

.dropdown-item-overview:hover {
  background-color: #fee2e2;
}

.dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover .dropdown-item-icon {
  background-color: var(--color-primary);
  color: #ffffff;
}

.dropdown-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  line-height: 1.25;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: block;
  line-height: 1.3;
  margin-top: 0.1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* Header Phone Direct Call Button */
.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-phone svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.btn-phone:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border);
}

/* Mobile Nav Toggle & Drawer */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  gap: 5px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.mobile-nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background-color: var(--color-surface);
  border-color: var(--color-border-hover);
}

.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ffffff;
  z-index: 99;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
  box-shadow: var(--shadow-xl);
}

.mobile-drawer.open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer .nav-link {
  font-size: 1.05rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer .nav-link:hover {
  background-color: var(--color-surface);
}

/* Mobile Drawer Accordion Menu */
.drawer-accordion-group {
  border-bottom: 1px solid var(--color-border);
}

.drawer-accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.85rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  background: transparent;
  border: none;
  cursor: pointer;
  min-height: 48px; /* WCAG 2.5.8 Touch Target Size */
  transition: color var(--transition-fast);
}

.drawer-accordion-btn:hover,
.drawer-accordion-btn:focus-visible {
  color: var(--color-primary);
}

.drawer-accordion-btn .accordion-chevron {
  transition: transform var(--transition-normal);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.drawer-accordion-btn[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.drawer-accordion-panel {
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.25rem 0.5rem 0.75rem 1rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.drawer-accordion-panel.open,
.drawer-accordion-panel.active {
  display: flex;
}

.drawer-sublink {
  display: flex;
  align-items: center;
  padding: 0.6rem 0.65rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  min-height: 44px; /* WCAG 2.5.8 Touch Target Size */
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.drawer-sublink:hover,
.drawer-sublink:focus-visible {
  color: var(--color-primary);
  background-color: #ffffff;
  padding-left: 0.85rem;
}

.drawer-sublink.active {
  color: var(--color-primary);
  font-weight: 700;
  background-color: var(--color-primary-light);
}

.mobile-drawer .drawer-category-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: 0.75rem 0.85rem 0.25rem;
}

/* Language Switcher */
.lang-toggle {
  display: flex;
  align-items: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 2px;
  overflow: hidden;
}

.lang-btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.lang-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(244, 53, 61, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 10px rgba(244, 53, 61, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.btn-outline-light {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-1px);
}

/* Hero Standout Buttons */
.btn-hero-primary {
  font-size: 1.0625rem;
  font-weight: 700;
  padding: 1.05rem 2.25rem;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(244, 53, 61, 0.4);
  letter-spacing: -0.01em;
}

.btn-hero-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 8px 26px rgba(244, 53, 61, 0.5);
  transform: translateY(-2px);
}

.btn-hero-secondary {
  font-size: 1.0625rem;
  font-weight: 600;
  padding: 1.05rem 1.85rem;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-text);
  border: 2px solid #e5e7eb;
}

.btn-hero-secondary:hover {
  background-color: var(--color-surface);
  border-color: #9ca3af;
  color: var(--color-text);
  transform: translateY(-1px);
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.btn-phone:hover {
  color: var(--color-primary);
}

.btn-phone svg {
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.mobile-nav-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ffffff;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--color-border);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  z-index: 49;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-drawer .nav-link {
  font-size: 1.15rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-surface-subtle);
  width: 100%;
}

.mobile-services-sublist {
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.mobile-services-sublist a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.mobile-services-sublist a:hover {
  color: var(--color-primary);
}

/* Hero Section: Full Viewport Height with Hero_Image1 Background */
.hero-section {
  position: relative;
  min-height: calc(100vh - 80px);
  min-height: calc(100dvh - 80px);
  display: flex;
  align-items: center;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  overflow: hidden;
  background-color: #0c1017;
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 46%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Hero_Image1.webp');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 640px;
}

.hero-title {
  font-size: clamp(2.35rem, 4.8vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 1.35rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.hero-description {
  font-size: 1.1875rem;
  line-height: 1.6;
  color: #F4ECEC;
  opacity: 0.92;
  margin-bottom: 2.25rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.hero-section .btn-hero-secondary {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-section .btn-hero-secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: #ffffff;
  color: #ffffff;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.35rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  width: 100%;
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #F4ECEC;
  line-height: 1.4;
}

.hero-trust-item svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-section .hero-estimate-card {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

/* Usluge Hero: Atmospheric Usluge_Hero_Image1 Background */
.usluge-hero {
  position: relative;
  padding: 4.5rem 0 3.75rem;
  overflow: hidden;
  background-color: #0c1017;
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 50%, rgba(12, 16, 23, 0.52) 100%),
    url('../Assets/Background/Usluge_Hero_Image1.webp');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.usluge-hero .container {
  position: relative;
  z-index: 2;
}

.usluge-hero .service-breadcrumb .breadcrumb-list {
  color: rgba(244, 236, 236, 0.7);
}

.usluge-hero .service-breadcrumb a {
  color: rgba(244, 236, 236, 0.7);
}

.usluge-hero .service-breadcrumb a:hover,
.usluge-hero .service-breadcrumb a:focus-visible {
  color: #ffffff;
}

.usluge-hero .service-breadcrumb .breadcrumb-separator {
  color: rgba(255, 255, 255, 0.35);
}

.usluge-hero .service-breadcrumb .breadcrumb-current {
  color: #ffffff;
}

.usluge-hero .single-line-heading {
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.usluge-hero-desc {
  color: #F4ECEC;
  opacity: 0.92;
  font-size: 1.15rem;
  max-width: 720px;
  line-height: 1.6;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  margin-top: 1rem;
}

/* Hero Showcase Card & Estimate Form (KJ Windows style) */
.hero-card {
  position: relative;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-xl);
}

.hero-estimate-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 35px -5px rgba(0, 0, 0, 0.08), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
  position: relative;
  transition: box-shadow var(--transition-normal);
}

.hero-estimate-card:hover {
  box-shadow: 0 25px 40px -5px rgba(0, 0, 0, 0.12), 0 12px 20px -6px rgba(0, 0, 0, 0.06);
}

.hero-estimate-header {
  margin-bottom: 1.25rem;
}

.estimate-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.65rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(244, 53, 61, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(244, 53, 61, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(244, 53, 61, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(244, 53, 61, 0);
  }
}

.estimate-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.estimate-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.estimate-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.input-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input, .form-select {
  width: 100%;
  padding: 0.75rem 0.95rem;
  padding-right: 2.4rem;
  font-size: 0.9375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(244, 53, 61, 0.12);
}

.input-icon {
  position: absolute;
  right: 0.85rem;
  color: #9ca3af;
  pointer-events: none;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn-hero-submit {
  width: 100%;
  padding: 0.95rem 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 14px rgba(244, 53, 61, 0.35);
  margin-top: 0.25rem;
}

.btn-hero-submit:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(244, 53, 61, 0.45);
}

.hero-call-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  text-align: center;
}

.hero-phone-direct {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.hero-phone-direct:hover {
  color: var(--color-primary);
}

.hero-phone-direct svg {
  color: var(--color-primary);
}

.estimate-trust-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7280;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Service & Sub-product 2-Column Hero with High-End Balanced Layout */
.service-page-hero {
  position: relative;
  background: radial-gradient(circle at 10% 20%, rgba(244, 53, 61, 0.04) 0%, transparent 55%),
              radial-gradient(circle at 90% 80%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
              linear-gradient(180deg, #ffffff 0%, var(--color-surface) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 2.75rem 0 3.75rem;
}

/* Service Hero with Themed Cinematic Background Images */
.service-page-hero.has-hero-bg {
  position: relative;
  overflow: hidden;
  background-color: #0c1017;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3.25rem 0 4rem;
}

.service-page-hero.hero-bg-pvc {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.50) 100%),
    url('../Assets/Background/PVC_Hero_Image.webp');
}

.service-page-hero.hero-bg-alu {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/ALU_Hero_Image.webp');
}

.service-page-hero.hero-bg-doors {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Doors_Hero_Image.webp');
}

.service-page-hero.hero-bg-garage {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/GarageDoors_Hero_Image.webp');
}

.service-page-hero.hero-bg-screens {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Komarnici_Hero_Image.webp');
}

.service-page-hero.hero-bg-shutters {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Roletne_Hero_Image.webp');
}

.service-page-hero.hero-bg-montage {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Montage_Hero_Image.webp');
}

.service-page-hero.hero-bg-glass {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Usluge_Hero_Image2.webp');
}

.service-page-hero.hero-bg-dvokrilni {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/DvokrilniProzor_Hero_Image.webp');
}

.service-page-hero.hero-bg-fiksni {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/FiksniProzori_Hero_Image1.webp');
}

.service-page-hero.hero-bg-sliding-windows,
.service-page-hero.hero-bg-klizni-prozori {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/KlizniProzori_Hero_Image.webp');
}

.service-page-hero.hero-bg-sliding-doors {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/KliznaVrata_Hero_Image.webp');
}

.service-page-hero.hero-bg-custom-windows {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/Prozoripomeri_Hero_Image.webp');
}

.service-page-hero.hero-bg-tilt-turn {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/TiltandTurn_Hero_Image.webp');
}

.service-page-hero.hero-bg-entry-doors {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/SigurnosnaVrata_Hero_Image.webp');
}

.service-page-hero.hero-bg-bifold-doors {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/HarmonikaPortali_Hero_Image.webp');
}

.service-page-hero.hero-bg-triple-glass {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/TroslojnoStaklo_Hero_Image.webp');
}

.service-page-hero.hero-bg-lowe-glass {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/NiskoemisionoStaklo_Hero_Image.webp');
}

.service-page-hero.hero-bg-ornament-glass {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/DekorativnoStaklo_Hero_Image.webp');
}

.service-page-hero.hero-bg-safety-glass {
  background-image: 
    linear-gradient(to right, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.84) 48%, rgba(12, 16, 23, 0.48) 100%),
    url('../Assets/Background/SigurnosnoStaklo_Hero_Image.webp');
}

.service-page-hero.has-hero-bg .service-hero-grid {
  position: relative;
  z-index: 2;
}

.service-page-hero.has-hero-bg .service-breadcrumb .breadcrumb-list {
  color: rgba(244, 236, 236, 0.75);
}

.service-page-hero.has-hero-bg .service-breadcrumb a {
  color: rgba(244, 236, 236, 0.75);
}

.service-page-hero.has-hero-bg .service-breadcrumb a:hover,
.service-page-hero.has-hero-bg .service-breadcrumb a:focus-visible {
  color: #ffffff;
}

.service-page-hero.has-hero-bg .service-breadcrumb .breadcrumb-separator {
  color: rgba(244, 236, 236, 0.45);
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.service-page-hero.has-hero-bg .service-breadcrumb .breadcrumb-current,
.service-page-hero.has-hero-bg .service-breadcrumb .breadcrumb-item[aria-current="page"],
.service-page-hero.has-hero-bg .service-breadcrumb .breadcrumb-item.active {
  color: #ffffff;
  font-weight: 600;
}

.service-page-hero.has-hero-bg .service-hero-pill {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.service-page-hero.has-hero-bg .service-hero-title {
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.service-page-hero.has-hero-bg .service-hero-lead {
  color: #F4ECEC;
  opacity: 0.92;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.service-page-hero.has-hero-bg .hero-feature-card {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.service-page-hero.has-hero-bg .hero-feature-card:hover {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(4px);
}

.service-page-hero.has-hero-bg .hero-feature-icon {
  background-color: rgba(244, 53, 61, 0.22);
  color: #ff6b72;
}

.service-page-hero.has-hero-bg .hero-feature-card strong {
  color: #ffffff;
}

.service-page-hero.has-hero-bg .hero-feature-card span {
  color: #F4ECEC;
  opacity: 0.88;
}

.service-page-hero.has-hero-bg .service-hero-trust-bar {
  border-top-color: rgba(255, 255, 255, 0.18);
}

.service-page-hero.has-hero-bg .hero-trust-badge-item {
  color: #F4ECEC;
}

.service-page-hero.has-hero-bg .service-estimate-card {
  box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.service-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: start;
}

.service-hero-copy {
  display: flex;
  flex-direction: column;
}

.service-breadcrumb {
  margin-bottom: 1rem;
}

.service-breadcrumb .breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.2;
  color: var(--color-text-muted);
}

.service-breadcrumb .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
}

.service-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  transition: color var(--transition-fast);
}

.service-breadcrumb a:hover,
.service-breadcrumb a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}

.service-breadcrumb .breadcrumb-separator {
  color: var(--color-border-hover);
  user-select: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.service-breadcrumb .breadcrumb-separator svg {
  display: block;
  width: 11px;
  height: 11px;
  stroke: currentColor;
  stroke-width: 2.25;
}

.service-breadcrumb .breadcrumb-current {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
}

.service-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  width: fit-content;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.service-hero-title {
  font-size: clamp(2rem, 3.4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.15rem;
}

.service-hero-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

/* Feature Mini-Cards to balance hero height */
.service-hero-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-feature-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.hero-feature-card:hover {
  border-color: var(--color-primary-border);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(244, 53, 61, 0.08);
}

.hero-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-feature-card strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.3;
}

.hero-feature-card span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin-top: 0.1rem;
}

/* Trust Bar */
.service-hero-trust-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.hero-trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

/* Service Estimate Card */
.service-estimate-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.09), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
  position: relative;
  transition: box-shadow var(--transition-normal);
}

.service-estimate-card:hover {
  box-shadow: 0 25px 45px -10px rgba(0, 0, 0, 0.13), 0 12px 25px -6px rgba(0, 0, 0, 0.07);
}

@media (max-width: 992px) {
  .service-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .service-hero-copy {
    max-width: 100%;
  }
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.hero-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.hero-image-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  position: relative;
}

/* Hub Pages Local Sub-navigation (Hero form subpages) */
.subnav-section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.subnav-header {
  margin-bottom: 1.5rem;
}

.subnav-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.subnav-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.subnav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.25rem;
}

.subnav-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  min-height: 190px;
}

.subnav-card:hover,
.subnav-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-lg);
}

.subnav-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 1rem;
}

.subnav-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.subnav-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: block;
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.subnav-card-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.subnav-card:hover .subnav-card-link {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.material-crosslink-banner {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.material-crosslink-text {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Trust Bar */
.trust-bar {
  background-color: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2.25rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.trust-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-lg);
}

.service-card:has(a:only-of-type),
.service-card[data-clickable="true"] {
  cursor: pointer;
}

.service-card-img-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.service-title-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.service-title-link:hover,
.service-title-link:focus-visible,
.service-card:hover .service-title-link {
  color: var(--color-primary);
  text-decoration: none;
}

.service-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.service-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
  line-height: 1.55;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.service-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-action {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.service-action:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.service-card-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.btn-service-details {
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  justify-content: center;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-service-details:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(244, 53, 61, 0.25);
}

.service-card-actions .service-action {
  justify-content: center;
  font-size: 0.875rem;
}

/* Service Deep Dives & Swatches */
.profile-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 3.5rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.color-swatches {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.swatch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.swatch-circle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.swatch-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* 3-Step Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.process-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.process-card:hover {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-md);
}

.process-step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.process-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Before / After Interactive Slider */
.slider-container {
  max-width: 900px;
  margin: 0 auto;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.comparison-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  user-select: none;
  -webkit-user-select: none;
}

.comparison-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.comparison-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-before {
  z-index: 1;
}

.comparison-after {
  z-index: 2;
  width: 50%;
  overflow: hidden;
  border-right: 3px solid var(--color-primary);
}

.comparison-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 44px;
  margin-left: -22px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  cursor: ew-resize;
}

.handle-button {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.9), var(--shadow-md);
  transition: transform var(--transition-fast);
}

.comparison-slider-handle:hover .handle-button {
  transform: scale(1.1);
}

.comparison-instructions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Glass Section */
.glass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.glass-options-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.glass-option-card {
  background-color: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  position: relative;
  user-select: none;
}

.glass-option-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.glass-option-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.glass-option-card.active {
  border-color: var(--color-primary);
  background-color: #fffafb;
  box-shadow: 0 6px 20px rgba(215, 38, 61, 0.12);
}

.glass-option-card.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-primary);
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.glass-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.glass-card-link:hover {
  color: #b81d30;
  text-decoration: underline;
  transform: translateX(4px);
}

.glass-card-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

#glassViewerImg,
#glassViewerCaption {
  transition: opacity 0.18s ease-in-out;
}

.glass-option-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.glass-benefit-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.glass-option-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Pricing Section (Cenovnik) */
.pricing-disclaimer {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2.5rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pricing-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.pricing-featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
}

.pricing-plan-name {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.pricing-plan-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.pricing-figure {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.pricing-amount {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.pricing-unit {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.3;
}

.pricing-includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-includes li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text);
}

.pricing-includes svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* About Us (O Nama) Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.about-content p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Interactive Quote / Measurement Form */
.quote-section {
  background-color: var(--color-surface);
  position: relative;
}

.quote-card {
  max-width: 820px;
  margin: 0 auto;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
}

.form-step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
}

.form-step-indicator::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 30px;
  right: 30px;
  height: 2px;
  background-color: var(--color-border);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.step-bubble {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: #ffffff;
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.step-item.active .step-bubble {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: #ffffff;
}

.step-item.completed .step-bubble {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: #ffffff;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.step-item.active .step-label {
  color: var(--color-text);
  font-weight: 700;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

/* Radio Cards Grid */
.radio-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.radio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background-color: #ffffff;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.radio-card:hover {
  border-color: var(--color-primary-border);
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.radio-card-icon {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.radio-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.45rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus,
.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(244, 53, 61, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-nav-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* Direct Contact Strip */
.direct-contact-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: #ffffff;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.contact-pill svg {
  color: var(--color-primary);
}

.contact-pill:hover {
  border-color: var(--color-primary);
}

/* Footer */
.site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--color-border);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
}

.footer-grid,
.footer-sitemap-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1.15fr 1fr 1fr;
  gap: 2.25rem;
  margin-bottom: 3.5rem;
}

.footer-col-subheading {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-credit {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-credit:hover {
  color: var(--color-primary);
}

/* Floating Fast Contact CTA on Mobile */
.floating-mobile-cta {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 40;
  box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   Interactive Product Mechanical Simulator (Aurora Doors & Windows Style)
   Demonstrates Tilt & Turn window physics and Sliding Portals
   Strictly 0 em-dashes used.
   ========================================================================== */
.mechanism-section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.mech-visual-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/* 3D Window Viewport */
.window-viewport {
  perspective: 1200px;
  perspective-origin: center center;
  width: 300px;
  height: 400px;
  position: relative;
  margin: 1.5rem auto;
}

/* Outer Window Frame */
.window-outer-frame {
  width: 100%;
  height: 100%;
  background: #f1f3f5;
  border: 18px solid #28292b; /* Modern Anthracite frame */
  border-radius: 8px;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.15), 0 10px 25px rgba(0, 0, 0, 0.08);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Moving Sash with 3D Transforms */
.window-sash {
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  background: rgba(230, 244, 255, 0.35);
  border: 12px solid #3e4147;
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  transition: transform 0.65s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.65s ease;
  transform-style: preserve-3d;
}

/* Modes for window sash */
.window-sash.is-closed {
  transform: rotateX(0deg) rotateY(0deg);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.window-sash.is-tilt {
  transform-origin: bottom center;
  transform: rotateX(-14deg);
  box-shadow: 0 25px 35px rgba(0, 0, 0, 0.18);
}

.window-sash.is-turn {
  transform-origin: left center;
  transform: rotateY(-75deg);
  box-shadow: 20px 20px 40px rgba(0, 0, 0, 0.22);
}

/* Glass Pane with reflective gradient */
.window-glass {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.65) 0%, rgba(200, 230, 255, 0.25) 45%, rgba(255, 255, 255, 0.4) 50%, rgba(180, 220, 250, 0.2) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-reflection-line {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 42%, rgba(255, 255, 255, 0.4) 45%, transparent 48%);
  pointer-events: none;
}

.glass-watermark {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e3a8a;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(59, 130, 246, 0.2);
  letter-spacing: 0.02em;
}

/* Window Handle */
.window-handle {
  position: absolute;
  right: 6px;
  top: 50%;
  width: 12px;
  height: 38px;
  background: #cbd5e1;
  border: 2px solid #64748b;
  border-radius: 4px;
  transform-origin: 6px 6px;
  cursor: pointer;
  transition: transform 0.45s ease;
  z-index: 20;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}

.window-handle::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 8px;
  background: #475569;
  border-radius: 3px;
}

.window-handle.handle-down {
  transform: translateY(-6px) rotate(0deg);
}

.window-handle.handle-horizontal {
  transform: translateY(-6px) rotate(-90deg);
}

.window-handle.handle-up {
  transform: translateY(-6px) rotate(-180deg);
}

/* Airflow visualizer for Tilt */
.mech-airflow {
  position: absolute;
  top: -25px;
  left: 30px;
  right: 30px;
  height: 60px;
  display: flex;
  justify-content: space-around;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.mech-airflow.airflow-active {
  opacity: 1;
}

.airflow-stream {
  width: 4px;
  height: 45px;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.85) 0%, rgba(56, 189, 248, 0) 100%);
  border-radius: 2px;
  animation: streamPulse 1.2s infinite ease-in-out;
}

.airflow-stream:nth-child(2) { animation-delay: 0.25s; }
.airflow-stream:nth-child(3) { animation-delay: 0.5s; }
.airflow-stream:nth-child(4) { animation-delay: 0.15s; }

@keyframes streamPulse {
  0% { transform: translateY(-10px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(22px); opacity: 0; }
}

/* Seal badge */
.mech-seal-badge {
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.mech-seal-badge svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  stroke: currentColor;
}

.mech-seal-badge.seal-locked {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

/* Sliding Portal Mechanism View */
.portal-viewport {
  width: 320px;
  height: 380px;
  position: relative;
  margin: 1.5rem auto;
  border: 14px solid #28292b;
  border-radius: 8px;
  background: #f1f3f5;
  overflow: hidden;
  display: flex;
}

.portal-fixed-panel {
  width: 50%;
  height: 100%;
  border-right: 2px solid #64748b;
  background: rgba(220, 235, 250, 0.3);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portal-sliding-panel {
  width: 50%;
  height: 100%;
  border: 8px solid #3e4147;
  background: rgba(200, 230, 255, 0.45);
  position: relative;
  transition: transform 0.65s cubic-bezier(0.25, 1, 0.5, 1);
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.portal-sliding-panel.is-slid {
  transform: translateX(-88%);
}

.portal-sliding-panel.is-closed {
  transform: translateX(0);
}

.portal-handle {
  position: absolute;
  left: 6px;
  top: 50%;
  width: 10px;
  height: 48px;
  background: #cbd5e1;
  border: 2px solid #64748b;
  border-radius: 4px;
  transform-origin: 5px 10px;
  transition: transform 0.4s ease;
  z-index: 10;
}

.portal-handle.handle-down {
  transform: translateY(-10px) rotate(0deg);
}

.portal-handle.handle-horizontal {
  transform: translateY(-10px) rotate(-90deg);
}

/* Right Column Content & Mode Buttons */
.mech-content-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mech-product-tabs {
  display: inline-flex;
  background: #e5e7eb;
  padding: 4px;
  border-radius: var(--radius-md);
  gap: 4px;
  align-self: flex-start;
}

.mech-product-tab {
  padding: 0.5rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  background: transparent;
}

.mech-product-tab.active {
  background: #ffffff;
  color: var(--color-text);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.mech-mode-controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn-mech-mode {
  padding: 0.65rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-mech-mode:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-mech-mode.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 10px rgba(244, 53, 61, 0.3);
}

.btn-mech-mode svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.mech-info-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border-left: 4px solid var(--color-primary);
}

.mech-info-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.6rem;
}

.mech-info-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.mech-info-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.mech-specs-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.mech-spec-item {
  display: flex;
  flex-direction: column;
}

.mech-spec-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 0.2rem;
}

.mech-spec-val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Responsive Media Queries */
@media (min-width: 1025px) and (max-width: 1240px) {
  .main-nav {
    gap: 1.15rem;
  }
  .brand-link {
    margin-right: 1.25rem;
  }
  .brand-logo {
    height: 44px;
  }
  .header-actions {
    gap: 0.75rem;
  }
  .header-actions .btn-primary {
    padding: 0.55rem 0.95rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 1024px) {
  .main-nav, .header-actions .btn-primary {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }

  .header-inner {
    height: 72px;
  }

  .mobile-drawer {
    top: 72px;
  }

  .btn-phone span {
    display: none;
  }
  
  .btn-phone {
    padding: 0.45rem;
  }

  .dropdown-menu-wide {
    width: 100%;
  }

  .hero-section {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Hero_Image1.webp');
    background-position: center center;
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }

  .usluge-hero {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Usluge_Hero_Image1.webp');
    background-position: center center;
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }

  .service-page-hero.has-hero-bg {
    background-position: center center;
    padding: 2.25rem 0 2.75rem;
  }

  .service-page-hero.hero-bg-pvc {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/PVC_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-alu {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/ALU_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-doors {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Doors_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-garage {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/GarageDoors_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-screens {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Komarnici_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-shutters {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Roletne_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-montage {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Montage_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-glass {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Usluge_Hero_Image2.webp');
  }

  .service-page-hero.hero-bg-dvokrilni {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/DvokrilniProzor_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-fiksni {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/FiksniProzori_Hero_Image1.webp');
  }

  .service-page-hero.hero-bg-sliding-windows,
  .service-page-hero.hero-bg-klizni-prozori {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/KlizniProzori_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-sliding-doors {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/KliznaVrata_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-custom-windows {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/Prozoripomeri_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-tilt-turn {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/TiltandTurn_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-entry-doors {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/SigurnosnaVrata_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-bifold-doors {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/HarmonikaPortali_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-triple-glass {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/TroslojnoStaklo_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-lowe-glass {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/NiskoemisionoStaklo_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-ornament-glass {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/DekorativnoStaklo_Hero_Image.webp');
  }

  .service-page-hero.hero-bg-safety-glass {
    background-image: 
      linear-gradient(180deg, rgba(12, 16, 23, 0.94) 0%, rgba(12, 16, 23, 0.88) 50%, rgba(12, 16, 23, 0.76) 100%),
      url('../Assets/Background/SigurnosnoStaklo_Hero_Image.webp');
  }

  .hero-grid, 
  .glass-grid, 
  .glass-showcase-grid, 
  .about-grid, 
  .profile-specs-grid, 
  .mechanism-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  
  .services-grid, .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid,
  .footer-sitemap-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Interactive Glass Switcher (Section 5) in viewport on mobile */
  .glass-grid .product-viewer-box {
    min-height: auto !important;
    height: auto !important;
    position: sticky;
    top: 76px;
    z-index: 20;
    background: #ffffff;
    padding: 1rem !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
  }

  .glass-grid .product-viewer-img {
    max-height: 180px !important;
    margin: 0 auto;
  }

  .glass-grid .product-viewer-box .hero-badge {
    position: static !important;
    display: inline-block;
    margin-bottom: 0.5rem;
  }

  #glassViewerCaption {
    margin-top: 0.5rem !important;
    font-size: 0.75rem !important;
  }

  /* Interactive Product Profile Showcase (Section 2) Mobile Optimization */
  .product-interactive-showcase {
    padding: 1.25rem 1rem !important;
    margin-top: 1.5rem !important;
    margin-bottom: 1.5rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .product-interactive-showcase h3 {
    font-size: clamp(1.15rem, 4.6vw, 1.5rem) !important;
    line-height: 1.3 !important;
  }

  .product-system-tabs {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
    margin-bottom: 1.25rem !important;
  }

  .product-system-btn {
    width: 100% !important;
    text-align: center !important;
    padding: 0.55rem 0.4rem !important;
    font-size: 0.775rem !important;
    white-space: nowrap !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .product-showcase-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.25rem !important;
  }

  /* Position 3D profile render stage directly below system tabs on mobile */
  .product-showcase-grid .product-viewer-box {
    order: -1 !important;
    min-height: 210px !important;
    height: 210px !important;
    padding: 1rem !important;
    margin-bottom: 0.25rem !important;
    border-radius: var(--radius-md) !important;
  }

  .product-showcase-grid .product-viewer-img {
    max-height: 175px !important;
  }

  .product-showcase-info h4 {
    font-size: 1.15rem !important;
    margin-bottom: 0.45rem !important;
  }

  .product-showcase-info p {
    font-size: 0.875rem !important;
    line-height: 1.55 !important;
    margin-bottom: 0.85rem !important;
  }

  .product-showcase-info .profile-swatches-wrap {
    margin: 0.5rem 0 1rem !important;
    gap: 0.65rem !important;
  }

  .product-showcase-info .profile-swatch-btn {
    width: 34px !important;
    height: 34px !important;
  }

  .product-showcase-info .profile-specs-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.5rem !important;
    margin-top: 1rem !important;
  }

  .product-showcase-info .profile-spec-item {
    padding: 0.6rem 0.75rem !important;
  }

  .product-showcase-info .profile-spec-item .spec-label {
    font-size: 0.6875rem !important;
    margin-bottom: 0.15rem !important;
  }

  .product-showcase-info .profile-spec-item .spec-value {
    font-size: 0.825rem !important;
  }
}

@media (max-width: 768px) {
  .service-hero-header .single-line-heading {
    font-size: clamp(1.05rem, 4.4vw, 1.45rem);
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .services-grid, .pricing-grid, .process-grid {
    grid-template-columns: 1fr !important;
  }
  
  .radio-options-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row, .form-row-2 {
    grid-template-columns: 1fr;
  }
  
  .dropdown-menu-wide {
    width: 100%;
  }
  
  .floating-mobile-cta {
    display: block;
  }
  
  .single-line-heading {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: clamp(0.95rem, 4.3vw, 1.45rem);
  }

  /* Collapse hardcoded desktop inline grids across all service and content pages */
  div[style*="grid-template-columns: 1.1fr 0.9fr"],
  div[style*="grid-template-columns: 1.2fr 0.8fr"],
  div[style*="grid-template-columns: 1fr 1.5fr"],
  div[style*="grid-template-columns: 1fr 1fr"],
  div[style*="grid-template-columns: repeat(3, 1fr)"],
  div[style*="grid-template-columns: repeat(4, 1fr)"],
  div[style*="grid-template-columns: repeat(3,1fr)"],
  div[style*="grid-template-columns: repeat(4,1fr)"],
  div[style*="repeat(auto-fit"] {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .profile-specs-grid > div[style*="order: 2;"] {
    order: 0 !important;
  }

  /* Stack side-by-side action buttons on small mobile */
  div[style*="display: flex; gap: 0.75rem; align-items: center;"],
  div[style*="display: flex; gap: 1rem; align-items: center;"],
  .profile-specs-grid div[style*="display: flex; gap:"] {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .service-card {
    padding: 1.25rem 1rem !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid,
  .footer-sitemap-grid {
    grid-template-columns: 1fr;
  }
  
  .brand-logo {
    height: 42px;
  }
  
  .single-line-heading {
    font-size: clamp(0.9rem, 4.1vw, 1.2rem);
    max-width: 100%;
  }

  .service-hero-header .single-line-heading {
    font-size: clamp(0.95rem, 4.2vw, 1.3rem);
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section-spacing {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }
}

/* Ensure anchor scrolling accounts for sticky header */
[id] {
  scroll-margin-top: 95px;
}

/* ==========================================================================
   Interactive Product & Profile Showcase
   ========================================================================== */
.product-interactive-showcase {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.product-showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}

.product-system-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.product-system-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.product-system-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.product-system-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.product-viewer-box {
  background: radial-gradient(circle at center, #ffffff 0%, #f3f4f6 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-viewer-img {
  max-width: 100%;
  max-height: 360px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: opacity 0.22s ease-in-out, transform 0.22s ease-in-out;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.12));
}

.profile-swatches-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 1.25rem 0 1.75rem;
}

.profile-swatch-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid #d1d5db;
  cursor: pointer;
  padding: 0;
  transition: transform 0.18s ease, outline 0.18s ease;
  position: relative;
}

.profile-swatch-btn:hover {
  transform: scale(1.12);
}

.profile-swatch-btn.active {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  transform: scale(1.08);
}

.profile-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.profile-spec-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.profile-spec-item .spec-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.profile-spec-item .spec-value {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 700;
}

/* Glass Showcase Cards */
.glass-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.glass-showcase-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

a.glass-showcase-card {
  cursor: pointer;
}

.glass-showcase-card:hover,
a.glass-showcase-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-xl);
}

.glass-showcase-img-wrap {
  background: radial-gradient(circle at center, #ffffff 0%, #f3f4f6 100%);
  padding: 2rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-showcase-img-wrap img {
  max-height: 200px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.1));
}

.glass-showcase-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

@media (max-width: 992px) {
  .product-showcase-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .glass-showcase-grid {
    grid-template-columns: 1fr;
  }
}




/* ==========================================================================
   Interactive Live Visual Configurator (Studio Split Layout)
   ========================================================================== */
.configurator-split-layout {
  display: grid;
  grid-template-columns: 1.14fr 0.86fr;
  gap: 2.25rem;
  align-items: start;
}

@media (max-width: 992px) {
  .configurator-split-layout {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  .config-preview-col {
    order: -1 !important;
    width: 100%;
    position: sticky;
    top: 76px;
    z-index: 25;
    background: var(--color-surface);
  }
  .config-controls-card {
    order: 1 !important;
    width: 100%;
    padding: 1.25rem 1rem !important;
  }
  .config-live-preview-card {
    position: relative;
    top: 0;
    padding: 0.75rem 0.85rem !important;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
  .config-preview-badge {
    font-size: 0.7rem !important;
    padding: 0.2rem 0.55rem !important;
    margin-bottom: 0.45rem !important;
  }
  .config-preview-stage {
    min-height: 155px !important;
    height: 155px !important;
    padding: 0.5rem !important;
    margin-bottom: 0.5rem !important;
  }
  .config-stage-img {
    max-height: 135px !important;
  }
  .config-glass-badge {
    bottom: 0.5rem;
    left: 0.5rem;
    padding: 0.2rem 0.5rem 0.2rem 0.25rem;
  }
  .config-glass-badge-thumb {
    width: 22px;
    height: 22px;
    min-width: 22px;
  }
  .glass-badge-micro {
    font-size: 0.55rem;
  }
  .glass-badge-title {
    font-size: 0.7rem;
  }
  .config-specs-panel {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.25rem 0.75rem !important;
    padding: 0.5rem 0.75rem !important;
    margin-bottom: 0 !important;
    background: #f8fafc !important;
  }
  .config-spec-row {
    padding: 0.15rem 0 !important;
    font-size: 0.75rem !important;
    border-bottom: none !important;
  }
  .config-spec-row .spec-label {
    font-size: 0.7rem !important;
  }
  .config-spec-row .spec-value {
    font-size: 0.75rem !important;
  }

  /* Hide desktop-only trust and phone clutter inside preview card on mobile */
  .config-live-preview-card .config-preview-footer,
  .config-live-preview-card .config-direct-call-box {
    display: none !important;
  }
}

@media (max-width: 576px) {
  .config-controls-card {
    padding: 1.15rem 0.75rem !important;
  }
  .config-live-preview-card {
    padding: 0.65rem 0.75rem !important;
  }
  .config-preview-stage {
    height: 145px !important;
    min-height: 145px !important;
    padding: 0.35rem !important;
  }
  .config-stage-img {
    max-height: 125px !important;
  }
  .config-specs-panel {
    padding: 0.4rem 0.6rem !important;
    gap: 0.2rem 0.5rem !important;
  }
  .config-spec-row {
    font-size: 0.7rem !important;
  }
}

.config-controls-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.config-live-preview-card {
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 100px;
}

.config-preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.config-preview-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(244, 53, 61, 0.25);
}

.config-preview-stage {
  background: radial-gradient(circle at center, #ffffff 0%, #f4f5f7 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 270px;
  height: 270px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.04);
}

.config-stage-img {
  max-height: 235px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.12));
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.config-stage-img.is-updating {
  opacity: 0.25;
  transform: scale(0.96);
}

.config-specs-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.config-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.84rem;
}

.config-spec-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.config-spec-row .spec-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

.config-spec-row .spec-value {
  color: var(--color-text);
  font-weight: 700;
  text-align: right;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.spec-color-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  vertical-align: middle;
  flex-shrink: 0;
}

.config-preview-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.config-trust-pill {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #374151;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.config-direct-call-box {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.config-direct-call-box span {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.config-direct-call-box a {
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.875rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.config-direct-call-box a:hover {
  text-decoration: underline;
}

/* Enhanced Cards with Thumbnails */
.radio-card-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  background: #ffffff;
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.radio-card-visual:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.radio-card-visual.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.radio-card-visual input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-thumb {
  height: 75px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.radio-card-thumb img {
  max-height: 70px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.08));
  transition: transform var(--transition-fast);
}

.radio-card-visual.selected .radio-card-thumb img {
  transform: scale(1.05);
}

.radio-card-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.25rem;
}

/* Color Swatches in Configurator */
.color-swatches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.color-swatch-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  background: #ffffff;
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.color-swatch-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.color-swatch-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.color-swatch-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin-bottom: 0.75rem;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  border: 2px solid #ffffff;
  outline: 1px solid var(--color-border);
}

/* Glass Option Selector Cards */
.config-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.config-choice-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.25rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.config-choice-card:hover {
  border-color: #cbd5e1;
}

.config-choice-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.config-choice-left {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  flex: 1;
  min-width: 0;
}

.config-choice-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.config-choice-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
}

.config-choice-sub {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.config-choice-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: #4b5563;
  border: 1px solid var(--color-border);
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.config-choice-card.selected .config-choice-tag {
  background: rgba(244, 53, 61, 0.12);
  color: var(--color-primary);
  border-color: rgba(244, 53, 61, 0.28);
}

.config-choice-thumb {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2px;
  flex-shrink: 0;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.config-choice-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.config-choice-card.selected .config-choice-thumb {
  border-color: var(--color-primary);
  background: #ffffff;
  transform: scale(1.06);
}

@media (max-width: 520px) {
  .config-choice-card {
    flex-wrap: wrap;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
  }

  .config-choice-tag {
    margin-left: auto;
  }
}

/* Decorative Glass Texture Subselector */
.glass-texture-subselector {
  margin-top: -0.25rem;
  margin-bottom: 0.25rem;
  padding: 1.15rem 1.25rem;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.glass-texture-subselector.is-hidden {
  display: none;
}

.glass-texture-subselector-title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.glass-textures-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

.glass-texture-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.4rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-texture-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.glass-texture-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.glass-texture-thumb {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.35rem;
}

.glass-texture-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.06));
}

.glass-texture-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.glass-texture-desc {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
  line-height: 1.2;
}

@media (max-width: 576px) {
  .glass-textures-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }
}

/* Glass Badge on Live Preview Stage */
.config-glass-badge {
  position: absolute;
  bottom: 0.85rem;
  left: 0.85rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.8rem 0.3rem 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 5;
}

.config-glass-badge.is-hidden {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

.config-glass-badge-thumb {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  padding: 1px;
}

.config-glass-badge-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.config-glass-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.glass-badge-micro {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.glass-badge-title {
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Add-ons Checkbox Cards */
.addon-toggles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

@media (max-width: 600px) {
  .addon-toggles-grid {
    grid-template-columns: 1fr;
  }
}

.addon-toggle-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  cursor: pointer;
  user-select: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.addon-toggle-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.addon-toggle-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.addon-toggle-card.selected .addon-toggle-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* Counter Controls */
.opening-counter-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}

.counter-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.counter-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.counter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.counter-value-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  min-width: 42px;
  text-align: center;
}

/* ==========================================================================
   Configurator Sub-Selectors: Chambers, Elements, Shutters, Dimensions
   ========================================================================== */

.is-hidden {
  display: none !important;
}

.config-subselector {
  transition: all var(--transition-normal);
}

.config-subselector-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.625rem;
}

/* Chamber Options Grid (PVC 7k vs 5k, ALU Termo vs Hladni) */
.chamber-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .chamber-options-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}

.chamber-card {
  display: flex;
  flex-direction: column;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.chamber-card:hover {
  border-color: #cbd5e1;
}

.chamber-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.chamber-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
}

.chamber-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
}

.chamber-card-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(244, 53, 61, 0.1);
  color: var(--color-primary);
}

.chamber-card-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Element Types Grid */
.element-types-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}

@media (max-width: 768px) {
  .element-types-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .element-types-grid {
    grid-template-columns: 1fr;
  }
}

.element-type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.75rem 0.5rem;
  background: #ffffff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.element-type-card:hover {
  border-color: #cbd5e1;
  transform: translateY(-2px);
}

.element-type-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.element-type-thumb {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.4rem;
  border-radius: var(--radius-sm);
  background: #f8fafc;
  padding: 4px;
  overflow: hidden;
}

.element-type-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.element-type-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.element-type-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
}

.element-type-badge {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  line-height: 1.2;
}

/* Shutter Info Banner */
.config-shutter-info-box {
  background: rgba(244, 53, 61, 0.06);
  border: 1px solid rgba(244, 53, 61, 0.2);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.84rem;
  line-height: 1.45;
}

.config-shutter-info-box svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Dimension Presets and Custom Numeric Inputs */
.dimension-preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dimension-preset-btn {
  padding: 0.38rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.dimension-preset-btn:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.dimension-preset-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #ffffff;
}

.dimension-inputs-row {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

.dimension-input-group {
  flex: 1;
}

.dimension-input-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.dimension-input-field-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.dimension-number-input {
  width: 100%;
  padding-right: 2.2rem;
  font-weight: 600;
}

.dimension-unit {
  position: absolute;
  right: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  pointer-events: none;
}

.dimension-times-sep {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-muted);
/* ==========================================================================
   Reveal Image Mask Storytelling Section
   ========================================================================== */
.reveal-mask-section {
  padding: 5rem 0;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.reveal-mask-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 3.5rem;
}

.reveal-mask-list {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.reveal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 2.5rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

@media (min-width: 768px) {
  .reveal-card {
    padding: 2.25rem;
  }
}

.reveal-card-header {
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
}

.reveal-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.reveal-title {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .reveal-title {
    font-size: 2.25rem;
  }
}

.reveal-caption {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 720px;
}

.reveal-media-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 2rem;
  background-color: #e2e8f0;
}

.reveal-media-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: clip-path, transform;
  transition: clip-path 0.08s ease-out, transform 0.08s ease-out;
}

/* ==========================================================================
   Accessibility: Respect Reduced Motion Preferences (WCAG 2.3.3)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}