/* ============================================
   NeuraBIM — Production Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-bg: #0a0e1a;
  --color-bg-light: #0f1629;
  --color-bg-card: #131a2e;
  --color-bg-card-hover: #1a2340;
  --color-primary: #0ea5e9;
  --color-primary-light: #22d3ee;
  --color-primary-dark: #0284c7;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-border: #1e293b;
  --color-border-light: #334155;
  --color-white: #ffffff;
  --color-critical: #ef4444;
  --color-high: #f97316;
  --color-medium: #eab308;
  --color-success: #22c55e;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

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

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Effects */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.15);
  --transition: 0.3s ease;
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Firefox */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-dark) var(--color-bg);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle noise/grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

ul {
  list-style: none;
}

/* ---------- Skip Link (Accessibility) ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-md);
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 0.5rem;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

/* CTA glow pulse for primary buttons in hero and form */
.hero-ctas .btn-primary,
.form-submit {
  animation: ctaGlow 3s ease-in-out infinite;
}

@keyframes ctaGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(14, 165, 233, 0.2); }
  50% { box-shadow: 0 0 24px rgba(14, 165, 233, 0.45), 0 0 48px rgba(14, 165, 233, 0.15); }
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

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

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
}

/* ---------- NAVBAR ---------- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid rgba(30, 41, 59, 0.6);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition);
  padding: var(--space-xs) 0;
}

.nav-links a:hover {
  color: var(--color-white);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-glow);
  color: var(--color-white) !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO SECTION ---------- */
.hero-section {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Floating glow orb */
.hero-section::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, rgba(34, 211, 238, 0.04) 40%, transparent 70%);
  pointer-events: none;
  animation: heroOrbFloat 12s ease-in-out infinite;
}

@keyframes heroOrbFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  33% { transform: translateX(-45%) translateY(-20px); }
  66% { transform: translateX(-55%) translateY(15px); }
}

/* Dot-grid BIM wireframe background */
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(14, 165, 233, 0.12) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black 20%, transparent 70%);
}

/* Hero badge shimmer */
.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary-light);
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero-badge::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { left: -100%; }
  50%, 60% { left: 150%; }
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  color: var(--color-white);
  letter-spacing: -0.03em;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition);
}

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

.stat-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary-light);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- TRUST BAR ---------- */
.trust-section {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.trust-label {
  text-align: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

/* Marquee track */
.trust-logos {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.trust-logos:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.trust-logo-placeholder {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  opacity: 0.6;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.trust-logo-placeholder:hover {
  opacity: 0.9;
}

/* ---------- FEATURES SECTION ---------- */
.features-section {
  padding: var(--space-4xl) 0;
}

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

/* Animated gradient border on hover */
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 0;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-md);
  padding: 1px;
  background: conic-gradient(from var(--card-angle, 0deg), var(--color-primary), var(--color-primary-light), transparent, transparent, var(--color-primary));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.feature-card:hover::before {
  opacity: 1;
  animation: rotateGradient 3s linear infinite;
}

@keyframes rotateGradient {
  to { --card-angle: 360deg; }
}

/* Register --card-angle as a custom property for animation */
@property --card-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  transition: filter var(--transition);
}

.feature-card:hover .feature-icon {
  filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- DEMO SECTION ---------- */
.demo-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-light);
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.demo-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.demo-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.demo-stats {
  display: flex;
  gap: var(--space-2xl);
}

.demo-stat-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary-light);
}

.demo-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
}

/* Demo Viewer */
.demo-viewer {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.viewer-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--color-border);
}

.viewer-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.viewer-dot.red { background: #ef4444; }
.viewer-dot.yellow { background: #eab308; }
.viewer-dot.green { background: #22c55e; }

.viewer-title {
  margin-left: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
  font-weight: 500;
}

.viewer-body {
  padding: var(--space-lg);
  position: relative;
}

.viewer-legend {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.critical { background: var(--color-critical); }
.legend-dot.high { background: var(--color-high); }
.legend-dot.medium { background: var(--color-medium); }

/* Beam Scene */
.viewer-scene {
  position: relative;
  height: 180px;
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

/* Faint grid background in viewer */
.viewer-scene::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.beam {
  position: absolute;
  border-radius: 4px;
}

.beam-structural {
  width: 100%;
  height: 24px;
  background: linear-gradient(90deg, #3b82f6, #2563eb);
  top: 50%;
  left: 0;
  transform: translateY(-50%) rotate(-8deg);
  opacity: 0.8;
  animation: beamSway 6s ease-in-out infinite;
}

.beam-mep {
  width: 24px;
  height: 100%;
  background: linear-gradient(180deg, #ef4444, #dc2626);
  left: 55%;
  top: 0;
  transform: translateX(-50%) rotate(5deg);
  opacity: 0.8;
  animation: beamSwayVert 6s ease-in-out infinite reverse;
}

@keyframes beamSway {
  0%, 100% { transform: translateY(-50%) rotate(-8deg); }
  50% { transform: translateY(-50%) rotate(-6deg); }
}

@keyframes beamSwayVert {
  0%, 100% { transform: translateX(-50%) rotate(5deg); }
  50% { transform: translateX(-50%) rotate(3deg); }
}

.clash-point {
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-critical);
  border-radius: 50%;
  z-index: 2;
}

.clash-pulse {
  position: absolute;
  inset: -8px;
  border: 2px solid var(--color-critical);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

/* Multiple radar rings */
.clash-point::before,
.clash-point::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 50%;
  animation: radarRing 3s ease-out infinite;
}

.clash-point::before {
  inset: -16px;
  animation-delay: 0s;
}

.clash-point::after {
  inset: -16px;
  animation-delay: 1.5s;
}

@keyframes radarRing {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(3); opacity: 0; }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Clash Info Card */
.clash-info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}

.clash-info-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.clash-id {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  font-family: monospace;
}

.clash-severity {
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.clash-severity.critical {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-critical);
}

.clash-elements {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.clash-meta {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
}

/* ---------- SHOWCASE SECTION ---------- */
.showcase-section {
  padding: var(--space-4xl) 0;
}

/* Video Container */
.video-container {
  max-width: 900px;
  margin: 0 auto var(--space-2xl);
  position: relative;
  cursor: pointer;
}

.video-thumbnail {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-thumbnail::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(14, 165, 233, 0.08) 0%, transparent 70%),
    linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg) 100%);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.video-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent var(--color-white);
  margin-left: 4px;
}

.video-container:hover .video-play-btn {
  background: rgba(14, 165, 233, 0.2);
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
}

.video-coming-soon {
  cursor: default;
}

.video-coming-soon-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 1;
}

.video-caption {
  text-align: center;
  margin-top: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
}

/* Screenshot Gallery */
.gallery-wrapper {
  position: relative;
}

.gallery-scroll {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: var(--space-sm) 0;
}

.gallery-scroll::-webkit-scrollbar {
  display: none;
}

.gallery-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}

.gallery-card:hover {
  transform: scale(1.02);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.gallery-card-visual {
  position: relative;
  width: 100%;
  padding-bottom: 62.5%; /* 16:10 */
  background: var(--color-bg);
  overflow: hidden;
}

.gallery-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 26, 0.6);
  color: var(--color-text-dim);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  z-index: 1;
  pointer-events: none;
}

.gallery-card-title {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* Mock UI elements for screenshots */
.mock-bar { height: 6px; border-radius: 3px; margin-bottom: 6px; }
.mock-bar.critical { background: var(--color-critical); }
.mock-bar.high { background: var(--color-high); }
.mock-bar.medium { background: var(--color-medium); }
.mock-bar.low { background: var(--color-success); }

.mock-dashboard {
  position: absolute;
  inset: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
}

.mock-viewer {
  position: absolute;
  inset: 12px;
}

.mock-viewer .beam {
  position: absolute;
}

.mock-table {
  position: absolute;
  inset: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}

.mock-row {
  display: flex;
  gap: 4px;
  height: 14px;
}

.mock-cell {
  flex: 1;
  border-radius: 2px;
  opacity: 0.7;
}

.mock-report {
  position: absolute;
  inset: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mock-line {
  height: 4px;
  border-radius: 2px;
  background: var(--color-border-light);
}

.mock-upload {
  position: absolute;
  inset: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--color-border-light);
  border-radius: var(--radius-sm);
  gap: 8px;
}

.mock-upload-icon {
  font-size: 1.5rem;
  opacity: 0.5;
}

.mock-upload-text {
  font-size: 0.6rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Gallery nav arrows */
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--font-size-lg);
  z-index: 2;
}

.gallery-nav:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.gallery-nav:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.gallery-nav-prev { left: -18px; }
.gallery-nav-next { right: -18px; }

/* ---------- INTEGRATIONS SECTION ---------- */
.integrations-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-light);
}

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

/* 3D tilt on hover */
.integration-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition);
  cursor: default;
  transform-style: preserve-3d;
  perspective: 600px;
}

.integration-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: rotateY(var(--tilt-x, 0deg)) rotateX(var(--tilt-y, 0deg));
}

.integration-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.integration-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.integration-coming-soon {
  position: relative;
  opacity: 0.55;
}

.integration-coming-soon:hover {
  opacity: 0.75;
}

.coming-soon-badge {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ---------- HOW IT WORKS ---------- */
.how-section {
  padding: var(--space-4xl) 0;
}

.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step-card {
  flex: 1;
  max-width: 300px;
  text-align: center;
  padding: var(--space-xl);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.1);
  border: 2px solid var(--color-primary);
  color: var(--color-primary-light);
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

.step-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.step-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Animated step connector */
.step-connector {
  position: relative;
  width: 60px;
  height: 2px;
  margin-top: 44px;
  flex-shrink: 0;
  overflow: hidden;
}

.step-connector::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-border-light);
}

.step-connector::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: var(--color-primary);
  transition: width 0.8s ease;
}

.step-connector.drawn::after {
  width: 100%;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-light);
}

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

/* Quote watermark */
.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: -10px;
  right: 16px;
  font-size: 8rem;
  font-family: Georgia, serif;
  color: var(--color-border);
  line-height: 1;
  pointer-events: none;
  opacity: 0.4;
}

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

.testimonial-stars {
  color: #eab308;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-card blockquote p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.author-name {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
}

.author-role {
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
}

/* ---------- PRICING SECTION ---------- */
.pricing-section {
  padding: var(--space-4xl) 0;
}

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

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition);
}

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

/* Animated gradient border for featured card */
.pricing-card.featured {
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: scale(1.03);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(var(--pricing-angle, 0deg), var(--color-primary), var(--color-primary-light), var(--color-primary));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  animation: pricingBorderRotate 4s linear infinite;
  z-index: -1;
}

@property --pricing-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@keyframes pricingBorderRotate {
  to { --pricing-angle: 360deg; }
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  z-index: 1;
}

.pricing-tier {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.pricing-price {
  margin-bottom: var(--space-xl);
}

.price-amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-white);
}

.price-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
}

.pricing-features {
  margin-bottom: var(--space-2xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li::before {
  content: '\2713';
  color: var(--color-success);
  font-weight: 700;
  margin-right: var(--space-sm);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-cta {
  width: 100%;
  text-align: center;
}

/* ---------- FAQ SECTION ---------- */
.faq-section {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-light);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  text-align: left;
  gap: var(--space-md);
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.faq-icon {
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-text-dim);
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---------- CONTACT SECTION ---------- */
.contact-section {
  padding: var(--space-4xl) 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.contact-content > p {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.contact-info p {
  color: var(--color-text-dim);
  font-size: var(--font-size-sm);
}

.contact-info a {
  color: var(--color-primary);
  font-weight: 600;
}

/* Form */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.required {
  color: var(--color-critical);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-dim);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: var(--color-critical);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--color-bg);
  color: var(--color-text);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-submit {
  width: 100%;
}

/* Loading spinner on button */
.form-submit.loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Thank You Message ---------- */
.thank-you-container {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
  animation: fadeInUp 0.6s ease;
}

.thank-you-container.visible {
  display: block;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CSS Crane illustration */
.thank-you-crane {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-xl);
}

.crane-base {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 2px;
}

.crane-mast {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 50px;
  background: var(--color-primary);
  border-radius: 2px;
}

.crane-jib {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-30%);
  width: 50px;
  height: 4px;
  background: var(--color-primary-light);
  border-radius: 2px;
}

.crane-cable {
  position: absolute;
  top: 14px;
  right: 6px;
  left: auto;
  width: 2px;
  height: 20px;
  background: var(--color-text-dim);
}

.crane-hook {
  position: absolute;
  top: 32px;
  right: 2px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-primary-light);
  border-top: none;
  border-radius: 0 0 5px 5px;
}

.thank-you-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.thank-you-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.thank-you-checklist {
  text-align: left;
  max-width: 380px;
  margin: 0 auto var(--space-xl);
}

.thank-you-checklist li {
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.thank-you-checklist li::before {
  content: '\2713';
  color: var(--color-success);
  font-weight: 700;
  margin-right: var(--space-sm);
}

.thank-you-closing {
  color: var(--color-text-dim);
  font-size: var(--font-size-sm);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

/* Confetti burst */
.confetti-container {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 200px;
  pointer-events: none;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  opacity: 0;
}

.confetti:nth-child(1) { background: var(--color-primary); left: 20%; animation: confettiFall 2.5s ease-out 0s forwards; }
.confetti:nth-child(2) { background: var(--color-primary-light); left: 35%; animation: confettiFall 2.2s ease-out 0.1s forwards; }
.confetti:nth-child(3) { background: var(--color-primary); left: 50%; animation: confettiFall 2.8s ease-out 0.05s forwards; }
.confetti:nth-child(4) { background: var(--color-primary-light); left: 65%; animation: confettiFall 2.3s ease-out 0.15s forwards; }
.confetti:nth-child(5) { background: var(--color-primary); left: 80%; animation: confettiFall 2.6s ease-out 0.08s forwards; }
.confetti:nth-child(6) { background: var(--color-primary-light); left: 15%; animation: confettiFall 2.4s ease-out 0.2s forwards; width: 4px; height: 8px; }
.confetti:nth-child(7) { background: var(--color-primary); left: 45%; animation: confettiFall 2.7s ease-out 0.12s forwards; width: 8px; height: 4px; }
.confetti:nth-child(8) { background: var(--color-primary-light); left: 70%; animation: confettiFall 2.1s ease-out 0.18s forwards; }
.confetti:nth-child(9) { background: var(--color-primary); left: 25%; animation: confettiFall 2.9s ease-out 0.07s forwards; width: 4px; height: 8px; }
.confetti:nth-child(10) { background: var(--color-primary-light); left: 55%; animation: confettiFall 2.3s ease-out 0.22s forwards; }

@keyframes confettiFall {
  0% { top: 0; opacity: 1; transform: rotate(0deg) translateX(0); }
  25% { opacity: 1; }
  100% { top: 100%; opacity: 0; transform: rotate(720deg) translateX(40px); }
}

/* Form error message */
.form-error-message {
  display: none;
  padding: var(--space-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-critical);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  text-align: center;
}

.form-error-message.visible {
  display: block;
}

/* ---------- VIDEO MODAL / LIGHTBOX ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 960px;
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-white);
}

.modal-close:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.modal-video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.modal-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Screenshot lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-content {
  position: relative;
  width: 90%;
  max-width: 700px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lightbox-visual {
  position: relative;
  width: 100%;
  padding-bottom: 62.5%;
  background: var(--color-bg);
}

.lightbox-caption {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-white);
}

.lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  z-index: 2;
  transition: all var(--transition);
  line-height: 1;
}

.lightbox-close:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.lightbox-close:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  font-size: 1.1rem;
  text-decoration: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* ---------- FOOTER ---------- */
#footer {
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

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

.footer-brand p {
  color: var(--color-text-dim);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h3 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col li {
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  color: var(--color-text-dim);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs);
}

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

/* ---------- COOKIE BANNER ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ---------- FADE-IN ANIMATION ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet (1024px) */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.75rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

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

  .demo-layout {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .integrations-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .testimonials-grid .testimonial-card:last-child {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .pricing-grid .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

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

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin-top: 0;
  }

  .step-connector::after {
    width: 100% !important;
    height: 0;
  }

  .step-connector.drawn::after {
    height: 100%;
    width: 100%;
  }

  .gallery-nav {
    display: none;
  }
}

/* Mobile (768px) */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --space-4xl: 4rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  /* Mobile Navigation */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-xl);
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Hero */
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Integrations */
  .integrations-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Trust */
  .trust-logos {
    gap: var(--space-xl);
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid .testimonial-card:last-child {
    max-width: none;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-grid .pricing-card:last-child {
    max-width: none;
  }

  /* Demo */
  .demo-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  /* Gallery */
  .gallery-card {
    flex: 0 0 240px;
  }

  .gallery-nav {
    display: none;
  }

  /* Form */
  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* Cookie */
  .cookie-banner {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  /* Back to top */
  .back-to-top {
    bottom: 16px;
    right: 16px;
  }
}

/* ---------- LEGAL PAGES ---------- */
.legal-page {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-4xl);
}

.legal-page .container {
  max-width: 800px;
}

.legal-page h1 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.legal-updated {
  color: var(--color-text-dim);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

.legal-draft-notice {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  color: var(--color-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2xl);
}

.legal-page h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.legal-page h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-page p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.legal-page ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.legal-page li {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.8;
  list-style: disc;
  margin-bottom: var(--space-xs);
}

/* Small mobile (375px) */
@media (max-width: 400px) {
  :root {
    --font-size-5xl: 1.875rem;
    --font-size-3xl: 1.375rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

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

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .trust-logos {
    animation: none;
  }

  .hero-badge::after {
    animation: none;
  }
}