/* ==========================================================================
   DORAZONES - Official Brand Website Stylesheet
   Brand operated by DORAZONE PRIVATE LIMITED
   Dual-Pillar Architecture: Digital Marketing & IT + Pro-AV Integration
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Sky Blue */
  --bg-canvas: #B9E3F7;
  --bg-surface: #D6EEFB;
  --bg-surface-elevated: #E8F6FE;
  --bg-surface-glass: rgba(185, 227, 247, 0.88);
  --bg-surface-subtle: #C8E9F9;
  --bg-card: #F2FAFF;

  /* Borders & Dividers */
  --border-subtle: rgba(15, 60, 100, 0.12);
  --border-medium: rgba(15, 60, 100, 0.24);
  --border-light: rgba(255, 255, 255, 0.7);

  /* Typography Colors */
  --text-primary: #0A1F3D;
  --text-secondary: #2F4A68;
  --text-muted: #4B6482;
  --text-inverse: #FFFFFF;

  /* Pillar 1: Digital Marketing & IT Consulting (Blue) */
  --digital-primary: #0284C7;
  --digital-secondary: #2563EB;
  --digital-accent: #0369A1;
  --digital-bg: rgba(2, 132, 199, 0.10);
  --digital-border: rgba(2, 132, 199, 0.38);
  --digital-glow: rgba(2, 132, 199, 0.22);
  --digital-gradient: linear-gradient(135deg, #0891B2 0%, #2563EB 100%);

  /* Pillar 2: Pro-AV Integration & Technology (Amber / Copper) */
  --proav-primary: #D97706;
  --proav-secondary: #C2410C;
  --proav-accent: #B45309;
  --proav-bg: rgba(217, 119, 6, 0.10);
  --proav-border: rgba(217, 119, 6, 0.40);
  --proav-glow: rgba(217, 119, 6, 0.22);
  --proav-gradient: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);

  /* AI Intelligence Accent */
  --ai-primary: #7C3AED;
  --ai-glow: rgba(124, 58, 237, 0.2);

  /* Unified Status & Neutral Colors */
  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.12);
  --warning: #D97706;
  --danger: #DC2626;
  --danger-bg: rgba(220, 38, 38, 0.10);
  --placeholder-badge: #4F46E5;
  --placeholder-bg: rgba(79, 70, 229, 0.10);

  /* Typography Stack: Simple, Clean, Modern */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Corner Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* Box Shadows */
  --shadow-sm: 0 2px 8px rgba(15, 60, 100, 0.12);
  --shadow-md: 0 8px 24px -4px rgba(15, 60, 100, 0.18);
  --shadow-lg: 0 16px 40px -8px rgba(15, 60, 100, 0.25);
  --shadow-glow-digital: 0 0 35px -5px rgba(2, 132, 199, 0.22);
  --shadow-glow-proav: 0 0 35px -5px rgba(217, 119, 6, 0.22);

  /* Layout Max Widths */
  --container-max: 1240px;
  --container-narrow: 920px;
  --header-height: 76px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

/* Background Ambient Glows - Distinctive Dual Holographic Aura */
body::before {
  content: '';
  position: fixed;
  top: -120px;
  left: 5%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.12) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: 5%;
  right: 5%;
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Accessibility: Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--text-primary);
  color: var(--text-inverse);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--digital-primary);
}

/* Focus Visible Standard */
:focus-visible {
  outline: 2px solid var(--digital-accent);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. Typography: Clean, Simple, Modern Aesthetic
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
}

.lead-text {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 400;
  max-width: 68ch;
}

/* Gradient Text Accents */
.text-gradient-digital {
  background: var(--digital-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-proav {
  background: var(--proav-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-digital {
  color: var(--digital-accent);
}

.text-proav {
  color: var(--proav-primary);
}

/* --------------------------------------------------------------------------
   4. Layout Containers & Grid Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.section-lg {
  padding-block: var(--space-4xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 780px;
  margin-inline: auto;
}

.section-header.text-left {
  text-align: left;
  margin-inline: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* --------------------------------------------------------------------------
   5. Badges, Chips & Placeholder Alerts
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  width: fit-content;
}

.badge-digital {
  background: var(--digital-bg);
  color: var(--digital-accent);
  border: 1px solid var(--digital-border);
}

.badge-proav {
  background: var(--proav-bg);
  color: var(--proav-accent);
  border: 1px solid var(--proav-border);
}

.badge-neutral {
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Explicit Placeholder Tags */
.placeholder-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--placeholder-bg);
  color: var(--placeholder-badge);
  border: 1px dashed rgba(129, 140, 248, 0.4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  font-weight: 600;
}

.placeholder-notice {
  background: rgba(129, 140, 248, 0.08);
  border: 1px dashed rgba(129, 140, 248, 0.35);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.placeholder-notice-icon {
  color: var(--placeholder-badge);
  flex-shrink: 0;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   6. Buttons & Interactive Controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 0.98rem;
  font-weight: 700;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* Digital CTA Button */
.btn-digital {
  background: var(--digital-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(2, 132, 199, 0.3);
}

.btn-digital:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(2, 132, 199, 0.45);
  color: #FFFFFF;
}

/* Pro-AV CTA Button */
.btn-proav {
  background: var(--proav-gradient);
  color: #1F1102;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3);
}

.btn-proav:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(245, 158, 11, 0.45);
  color: #120901;
}

/* Secondary & Outline Buttons */
.btn-outline {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline-digital {
  background: rgba(6, 182, 212, 0.05);
  border-color: var(--digital-border);
  color: var(--digital-accent);
}

.btn-outline-digital:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--digital-primary);
  color: var(--text-primary);
}

.btn-outline-proav {
  background: rgba(245, 158, 11, 0.05);
  border-color: var(--proav-border);
  color: var(--proav-accent);
}

.btn-outline-proav:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--proav-primary);
  color: var(--text-primary);
}

.btn-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   7. Navigation & Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.site-header.scrolled {
  background: rgba(9, 13, 22, 0.95);
  border-bottom-color: var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 44px;
  width: auto;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.55);
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.55);
}

.nav-link.nav-digital {
  position: relative;
}

.nav-link.nav-digital:hover, .nav-link.nav-digital.active {
  color: var(--digital-accent);
}

.nav-link.nav-proav {
  position: relative;
}

.nav-link.nav-proav:hover, .nav-link.nav-proav.active {
  color: var(--proav-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-nav-toggle:hover {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--border-medium);
}

.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 13, 22, 0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease, visibility 0.3s;
  z-index: 999;
  border-bottom: 1px solid var(--border-medium);
}

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

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.mobile-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-link:hover, .mobile-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.55);
}

.mobile-link.mobile-digital {
  color: var(--digital-accent);
}

.mobile-link.mobile-proav {
  color: var(--proav-accent);
}

/* --------------------------------------------------------------------------
   8. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(var(--space-3xl) + 1rem);
  padding-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-3xl);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}

.hero-title {
  margin-top: var(--space-xs);
}

.hero-actions {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-trust-bar {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.trust-item svg {
  color: var(--success);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-visual-card {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-visual-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   9. Dual Pillar Division Cards
   -------------------------------------------------------------------------- */
.dual-pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.pillar-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.pillar-card.pillar-digital {
  border-color: rgba(6, 182, 212, 0.2);
}

.pillar-card.pillar-digital::before {
  background: var(--digital-gradient);
}

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

.pillar-card.pillar-proav {
  border-color: rgba(245, 158, 11, 0.2);
}

.pillar-card.pillar-proav::before {
  background: var(--proav-gradient);
}

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

.pillar-header {
  margin-bottom: var(--space-lg);
}

.pillar-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.pillar-digital .pillar-icon-box {
  background: var(--digital-bg);
  border: 1px solid var(--digital-border);
  color: var(--digital-accent);
}

.pillar-proav .pillar-icon-box {
  background: var(--proav-bg);
  border: 1px solid var(--proav-border);
  color: var(--proav-accent);
}

.pillar-service-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-block: var(--space-lg);
}

.pillar-service-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.pillar-digital .pillar-service-item svg {
  color: var(--digital-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.pillar-proav .pillar-service-item svg {
  color: var(--proav-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.pillar-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   10. Feature Cards & Service Detail Grids
   -------------------------------------------------------------------------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

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

.card-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
  aspect-ratio: 16 / 9;
  background: var(--bg-surface-elevated);
  position: relative;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border-subtle);
}

.card-digital .card-icon {
  background: var(--digital-bg);
  border-color: var(--digital-border);
  color: var(--digital-accent);
}

.card-proav .card-icon {
  background: var(--proav-bg);
  border-color: var(--proav-border);
  color: var(--proav-accent);
}

.feature-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: var(--space-md);
}

.feature-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-check-item svg {
  color: var(--success);
  flex-shrink: 0;
  margin-top: 3px;
}

/* --------------------------------------------------------------------------
   11. Our Approach / Methodology Timeline
   -------------------------------------------------------------------------- */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
  margin-top: var(--space-xl);
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(15, 60, 100, 0.16);
  margin-bottom: var(--space-xs);
}

.step-title {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   12. Projects & Case Studies (With Explicit Placeholders)
   -------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.project-image {
  height: 220px;
  position: relative;
  overflow: hidden;
  background: var(--bg-surface-elevated);
}

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

.project-overlay-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.project-content {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  flex-grow: 1;
}

.project-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 0.84rem;
  color: var(--text-muted);
}

.project-specs {
  background: rgba(15, 60, 100, 0.07);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  border-left: 3px solid var(--border-medium);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.88rem;
}

.project-specs.specs-digital {
  border-left-color: var(--digital-primary);
}

.project-specs.specs-proav {
  border-left-color: var(--proav-primary);
}

/* --------------------------------------------------------------------------
   13. Interactive Estimator / Room Scope Widget
   -------------------------------------------------------------------------- */
.scope-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.scope-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.scope-tab {
  padding: 0.85rem;
  text-align: center;
  border-radius: var(--radius-md);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scope-tab:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--text-primary);
}

.scope-tab.active {
  background: var(--bg-surface-elevated);
  border-color: var(--proav-primary);
  color: var(--proav-accent);
}

.scope-output-box {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

/* --------------------------------------------------------------------------
   14. Forms & Client Validation
   -------------------------------------------------------------------------- */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-label .req {
  color: var(--danger);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-size: 0.98rem;
  transition: all var(--transition-fast);
  width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--digital-primary);
  background: rgba(6, 182, 212, 0.04);
  outline: none;
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

/* Modern Validation Pseudo-Classes */
.form-input:user-invalid, .form-textarea:user-invalid {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.04);
}

.form-input:user-valid:not(:placeholder-shown), 
.form-textarea:user-valid:not(:placeholder-shown) {
  border-color: var(--success);
}

.form-helper {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.82rem;
  color: var(--danger);
  display: none;
}

.has-error .form-error {
  display: block;
}

.has-error .form-input, .has-error .form-select, .has-error .form-textarea {
  border-color: var(--danger);
}

/* Form Pill Choice Group */
.choice-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.choice-label {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.choice-label:hover {
  background: rgba(255, 255, 255, 0.55);
}

.choice-input:checked + .choice-label {
  border-color: var(--digital-primary);
  background: rgba(6, 182, 212, 0.1);
  color: var(--digital-accent);
}

/* Honeypot Spam Protection (Inaccessible to real users) */
.honeypot-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Form Draft & Status Alerts */
.form-draft-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  margin-bottom: var(--space-md);
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.form-status-alert {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
  display: none;
  font-size: 0.95rem;
}

.form-status-alert.alert-success {
  display: block;
  background: var(--success-bg);
  border: 1px solid var(--success);
  color: #065F46;
}

.form-status-alert.alert-error {
  display: block;
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  color: #991B1B;
}

/* --------------------------------------------------------------------------
   15. Contact Info Cards & Map
   -------------------------------------------------------------------------- */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--digital-accent);
  flex-shrink: 0;
}

.contact-item-text {
  display: flex;
  flex-direction: column;
}

.contact-item-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.contact-item-val {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-item-val a:hover {
  color: var(--digital-accent);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   16. Corporate About Section & Badges
   -------------------------------------------------------------------------- */
.corporate-meta-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-subtle);
}

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

.meta-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.meta-value {
  font-size: 0.94rem;
  color: var(--text-primary);
  font-weight: 700;
  text-align: right;
}

/* --------------------------------------------------------------------------
   17. Call to Action (CTA) Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(242, 250, 255, 0.9) 50%, rgba(245, 158, 11, 0.12) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--digital-accent), var(--proav-accent), transparent);
}

.cta-content {
  max-width: 680px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #9FD3EF;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 32ch;
}

.footer-heading {
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-link.link-digital:hover {
  color: var(--digital-accent);
}

.footer-link.link-proav:hover {
  color: var(--proav-accent);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   19. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

  .approach-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .dual-pillar-grid {
    grid-template-columns: 1fr;
  }

  .approach-steps {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .choice-group {
    grid-template-columns: 1fr;
  }

  .scope-tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Reduced Motion Mode */
@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;
  }
}