/* ===================================
   THEORA Landing Page Styles
   A dark, sophisticated theme with 
   deep blues and elegant typography
   =================================== */

/* CSS Variables */
:root {
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #121212;
  --color-bg-tertiary: #1a1a1a;
  --color-accent-primary: #3b82f6;
  --color-accent-secondary: #60a5fa;
  --color-accent-glow: rgba(59, 130, 246, 0.3);
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-overlay: rgba(5, 8, 16, 0.95);
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-logo: 'Azonix', 'Syne', sans-serif;
  --font-heading: 'Azonix', 'Syne', sans-serif;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Preloader */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s var(--transition-smooth), visibility 0.6s;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  width: 200px;
  height: 60px;
  margin-bottom: 30px;
}

.loader-text {
  font-family: var(--font-logo);
  font-size: 36px;
  fill: var(--color-text-primary);
  letter-spacing: 0.15em;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: 2px;
  animation: loadProgress 2s var(--transition-smooth) forwards;
}

@keyframes loadProgress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* Navigation */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--transition-smooth);
}

#navbar.scrolled {
  background: rgba(5, 8, 16, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 15px 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-logo);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s var(--transition-smooth);
}

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

.nav-cta {
  padding: 12px 24px;
  background: transparent;
  border: 1px solid var(--color-accent-primary);
  border-radius: 6px;
  color: var(--color-accent-secondary);
  transition: all 0.3s var(--transition-smooth);
}

.nav-cta:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.nav-contact {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--transition-smooth);
}

.nav-contact svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-secondary);
  transition: color 0.3s var(--transition-smooth);
}

.nav-contact:hover {
  border-color: var(--color-accent-primary);
  background: rgba(59, 130, 246, 0.1);
}

.nav-contact:hover svg {
  color: var(--color-accent-secondary);
}

/* ===================================
   GLASSES SVG OUTLINE SECTION
   =================================== */
.glasses-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
}

.glasses-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.glasses-container {
  text-align: center;
  padding: 40px;
}

#glassesLineArt {
  width: 100%;
  max-width: 700px;
  height: auto;
  margin-bottom: 60px;
}

.glasses-path {
  stroke: var(--color-accent-primary);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}

.glasses-path.detail {
  stroke: var(--color-accent-secondary);
  stroke-width: 1.5;
  opacity: 0.5;
}

.glasses-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
}

.scroll-indicator {
  margin-top: 60px;
  animation: bounce 2s infinite;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-indicator:focus {
  outline: none;
}

.scroll-indicator:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.scroll-text {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.scroll-indicator svg {
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  opacity: 0.6;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(10px);
  }
  60% {
    transform: translateY(5px);
  }
}

/* ===================================
   HERO VIDEO SECTION
   =================================== */
.video-section {
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

#revealVideo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--color-bg-primary);
}

.overlay {
  position: absolute;
  inset: 0;
  background: var(--color-bg-primary);
  opacity: 1;
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
}

.hero-subtitle {
  display: block;
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  margin-bottom: 15px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   COMING SOON SECTION
   =================================== */
.coming-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  position: relative;
  padding: 100px 40px;
}

.coming-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--color-bg-primary));
  pointer-events: none;
}

.coming-container {
  max-width: 1200px;
  text-align: center;
}

.coming-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  margin-bottom: 40px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-secondary);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.coming-text {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
  margin-bottom: 30px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.coming-description {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

/* How It Works */
.how-it-works {
  max-width: 600px;
  margin: 0 auto 60px;
  padding: 20px 25px;
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 12px;
}

.how-text {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: left;
}

.how-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.how-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.features-grid-large {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.features-grid-large .feature-card {
  width: 180px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .features-grid-large .feature-card {
    width: 150px;
  }
}

@media (max-width: 600px) {
  .features-grid-large {
    gap: 10px;
  }
  
  .features-grid-large .feature-card {
    width: calc(50% - 10px);
    padding: 14px 10px;
  }
  
  .features-grid-large .feature-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 10px;
  }
  
  .features-grid-large .feature-icon svg {
    width: 18px;
    height: 18px;
  }
  
  .features-grid-large .feature-card h3 {
    font-size: 0.75rem;
    margin-bottom: 2px;
  }
  
  .features-grid-large .feature-card p {
    font-size: 0.65rem;
  }
}

.feature-card {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.6) 0%, rgba(10, 16, 32, 0.6) 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  transition: all 0.4s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.features-grid-large .feature-card {
  padding: 20px 16px;
  opacity: 1 !important;
  visibility: visible !important;
}

.features-grid-large .feature-card h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.features-grid-large .feature-card p {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* Ensure features grid is always visible */
.features-grid {
  opacity: 1 !important;
  visibility: visible !important;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--transition-smooth);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.12);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 12px;
}

.features-grid-large .feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 10px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent-secondary);
}

.features-grid-large .feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--color-text-primary);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===================================
   SIGNUP SECTION
   =================================== */
.signup-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  padding: 100px 40px;
  position: relative;
}

.signup-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.signup-container {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.signup-content {
  position: relative;
  z-index: 2;
}

.signup-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  margin-bottom: 20px;
}

.signup-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.signup-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input {
  width: 100%;
  padding: 18px 20px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: all 0.3s var(--transition-smooth);
  outline: none;
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus {
  border-color: var(--color-accent-primary);
  background: rgba(17, 24, 39, 0.9);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.input-focus {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent-primary);
  transition: all 0.3s var(--transition-smooth);
  transform: translateX(-50%);
}

.form-group input:focus ~ .input-focus {
  width: 100%;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 36px;
  background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%) !important;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: white !important;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
  opacity: 1 !important;
  visibility: visible !important;
}

.submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.6);
  background: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
}

.submit-btn:hover::before {
  opacity: 1;
}

.submit-btn:active {
  transform: translateY(0);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--transition-smooth);
}

.submit-btn:hover .btn-icon svg {
  transform: translateX(5px);
}

.signup-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.signup-note svg {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

/* Pre-order Button (hidden by default) */
.preorder-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 40px;
  margin-top: 20px;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
}

.preorder-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(34, 197, 94, 0.4);
}

/* Visual Cards */
.signup-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.visual-card {
  position: relative;
  padding: 30px;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.8) 0%, rgba(10, 16, 32, 0.6) 100%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s var(--transition-smooth);
  opacity: 1 !important;
  visibility: visible !important;
}

.visual-card:hover {
  transform: translateX(10px);
  border-color: rgba(59, 130, 246, 0.3);
}

.card-glow {
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}

.visual-card:hover .card-glow {
  opacity: 1;
}

.card-content {
  position: relative;
  z-index: 2;
}

.card-number {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  margin-bottom: 10px;
  letter-spacing: 0.1em;
}

.card-content h4 {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 5px;
}

.card-content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===================================
   DEMO VIDEO SECTION
   =================================== */
.demo-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  padding: 100px 40px;
  position: relative;
}

.demo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.demo-container {
  max-width: 1000px;
  width: 100%;
  text-align: center;
}

.demo-header {
  margin-bottom: 60px;
}

.demo-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  margin-bottom: 15px;
}

.demo-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.demo-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.demo-video-wrapper {
  position: relative;
}

.video-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05);
}

.video-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3) 0%, transparent 50%, rgba(59, 130, 246, 0.1) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

#demoVideo {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 1;
  transition: opacity 0.3s var(--transition-smooth);
  cursor: pointer;
}

.play-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.play-btn {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 0 60px var(--color-accent-glow);
}

.play-btn svg {
  width: 32px;
  height: 32px;
  color: var(--color-text-primary);
  margin-left: 4px;
}

.play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 80px rgba(59, 130, 246, 0.5);
}

.demo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  color: var(--color-text-muted);
}

.demo-placeholder svg {
  width: 60px;
  height: 60px;
  opacity: 0.5;
}

.demo-placeholder span {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===================================
   CONTACT CTA SECTION
   =================================== */
.contact-cta-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  padding: 100px 40px;
  position: relative;
}

.contact-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.contact-cta-container {
  max-width: 700px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 1;
}

.contact-cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.contact-cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
}

.contact-cta-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 500px;
}

.contact-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  border-radius: 50px;
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: 32px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.contact-cta-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(59, 130, 246, 0.4);
}

.contact-cta-link svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 768px) {
  .contact-cta-section {
    padding: 60px 20px;
    min-height: auto;
  }
  
  .contact-cta-link {
    padding: 14px 28px;
    font-size: 1rem;
  }
  
  .contact-cta-description {
    font-size: 1rem;
  }
}

/* ===================================
   FOOTER
   =================================== */
#footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: 60px 40px 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  text-align: left;
}

.footer-logo {
  font-family: var(--font-logo);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

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

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-link {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s var(--transition-smooth);
  position: relative;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-primary);
  transition: width 0.3s var(--transition-smooth);
}

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

.footer-link:hover::after {
  width: 100%;
}

.footer-bottom {
  text-align: right;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===================================
   MODAL
   =================================== */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--transition-smooth);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 50px;
  text-align: center;
  max-width: 400px;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s var(--transition-bounce);
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.15);
  border-radius: 50%;
}

.modal-icon svg {
  width: 32px;
  height: 32px;
  color: #22c55e;
}

.modal-content h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.modal-content p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  line-height: 1.7;
}

.modal-close {
  padding: 14px 40px;
  background: var(--color-accent-primary);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
}

.modal-close:hover {
  background: var(--color-accent-secondary);
  transform: translateY(-2px);
}

/* Contact Modal Specific */
.contact-modal {
  max-width: 360px;
}

.contact-icon {
  background: rgba(59, 130, 246, 0.15);
}

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

.email-link {
  display: block;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-accent-secondary);
  text-decoration: none;
  padding: 16px 24px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  margin-bottom: 15px;
  transition: all 0.3s var(--transition-smooth);
}

.email-link:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--color-accent-primary);
}

.copy-btn {
  padding: 12px 30px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
  margin-bottom: 10px;
}

.copy-btn:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.copy-btn.copied {
  border-color: #22c55e;
  color: #22c55e;
}

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

/* Tablet */
@media (max-width: 1024px) {
  .signup-container {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .signup-visual {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .visual-card {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
  }
}

/* Mobile Landscape & Small Tablets */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }
  
  .nav-links {
    gap: 15px;
  }
  
  .nav-link:not(.nav-cta):not(.nav-contact) {
    display: none;
  }
  
  .nav-contact {
    width: 36px;
    height: 36px;
  }
  
  .nav-contact svg {
    width: 16px;
    height: 16px;
  }
  
  .nav-cta {
    padding: 10px 18px;
    font-size: 0.8rem;
  }
  
  .logo {
    font-size: 1.1rem;
  }
  
  /* Glasses Section */
  .glasses-section {
    min-height: auto;
    padding: 100px 20px 30px;
  }
  
  .glasses-container {
    padding: 20px;
  }
  
  #glassesLineArt {
    max-width: 100%;
    margin-bottom: 30px;
  }
  
  .glasses-tagline {
    font-size: 1rem;
  }
  
  .scroll-indicator {
    margin-top: 30px;
  }
  
  .scroll-text {
    font-size: 0.55rem;
  }
  
  .scroll-indicator svg {
    width: 24px;
    height: 24px;
  }
  
  /* Video Section */
  .video-section {
    height: 100vh;
    min-height: 100vh;
  }
  
  #revealVideo {
    object-fit: contain;
  }
  
  /* Coming Section */
  .coming-section {
    padding: 60px 20px;
    min-height: auto;
  }
  
  .coming-text {
    font-size: clamp(1.8rem, 6vw, 3rem);
    margin-bottom: 20px;
  }
  
  .coming-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  
  .how-it-works {
    margin-bottom: 40px;
    padding: 16px 20px;
  }
  
  .how-text {
    font-size: 0.9rem;
    gap: 10px;
  }
  
  .how-icon {
    width: 20px;
    height: 20px;
  }
  
  .how-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .coming-badge {
    margin-bottom: 25px;
    padding: 6px 16px;
    font-size: 0.65rem;
  }
  
  /* Features Grid Mobile */
  .features-grid-large {
    gap: 12px;
    padding: 0 10px;
  }
  
  .features-grid-large .feature-card {
    width: calc(50% - 8px);
    padding: 16px 12px;
  }
  
  .features-grid-large .feature-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
  }
  
  .features-grid-large .feature-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .features-grid-large .feature-card h3 {
    font-size: 0.8rem;
    margin-bottom: 4px;
  }
  
  .features-grid-large .feature-card p {
    font-size: 0.7rem;
    line-height: 1.4;
  }
  
  /* Signup Section */
  .signup-section {
    padding: 60px 20px;
    min-height: auto;
  }
  
  .signup-container {
    gap: 40px;
  }
  
  .signup-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
  }
  
  .signup-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }
  
  .signup-form {
    gap: 15px;
  }
  
  .form-group input {
    padding: 14px 16px;
    font-size: 0.95rem;
  }
  
  .submit-btn {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
  
  .visual-card {
    min-width: 100%;
    padding: 20px;
  }
  
  .signup-visual {
    flex-direction: column;
    gap: 15px;
  }
  
  /* Demo Section */
  .demo-section {
    padding: 60px 20px;
    min-height: auto;
  }
  
  .demo-header {
    margin-bottom: 40px;
  }
  
  .demo-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
  }
  
  .video-frame {
    border-radius: 12px;
  }
  
  .play-btn {
    width: 60px;
    height: 60px;
  }
  
  .play-btn svg {
    width: 24px;
    height: 24px;
  }
  
  /* Footer */
  #footer {
    padding: 40px 20px 30px;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 25px;
    text-align: center;
  }
  
  .footer-brand {
    text-align: center;
  }
  
  .footer-logo {
    font-size: 1.4rem;
  }
  
  .footer-links {
    justify-content: center;
    gap: 30px;
  }
  
  .footer-link {
    font-size: 0.9rem;
  }
  
  .footer-bottom {
    text-align: center;
  }
}

/* Mobile Portrait */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  #navbar {
    padding: 15px 0;
  }
  
  .nav-container {
    padding: 0 15px;
  }
  
  .logo {
    font-size: 1rem;
  }
  
  .nav-cta {
    padding: 8px 14px;
    font-size: 0.75rem;
  }
  
  .nav-contact {
    width: 32px;
    height: 32px;
  }
  
  .nav-contact svg {
    width: 14px;
    height: 14px;
  }
  
  /* Glasses */
  .glasses-section {
    padding: 80px 15px 20px;
  }
  
  .glasses-container {
    padding: 10px;
  }
  
  #glassesLineArt {
    margin-bottom: 20px;
  }
  
  .glasses-tagline {
    font-size: 0.9rem;
    letter-spacing: 0.05em;
  }
  
  /* Video */
  .video-section {
    height: 100vh;
    min-height: 100vh;
  }
  
  /* Coming Soon */
  .coming-section {
    padding: 50px 15px;
  }
  
  .coming-badge {
    padding: 5px 12px;
    font-size: 0.6rem;
    margin-bottom: 20px;
  }
  
  .coming-text {
    font-size: 1.6rem;
    margin-bottom: 15px;
  }
  
  .coming-description {
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.6;
  }
  
  .how-it-works {
    margin-bottom: 25px;
    padding: 12px 16px;
  }
  
  .how-text {
    font-size: 0.8rem;
    gap: 8px;
  }
  
  .how-icon {
    width: 18px;
    height: 18px;
  }
  
  .how-icon svg {
    width: 18px;
    height: 18px;
  }
  
  /* Features - 2 columns on mobile */
  .features-grid-large {
    gap: 8px;
    padding: 0;
  }
  
  .features-grid-large .feature-card {
    width: calc(50% - 4px);
    padding: 12px 8px;
    border-radius: 8px;
  }
  
  .features-grid-large .feature-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
    border-radius: 6px;
  }
  
  .features-grid-large .feature-icon svg {
    width: 16px;
    height: 16px;
  }
  
  .features-grid-large .feature-card h3 {
    font-size: 0.7rem;
    margin-bottom: 2px;
    line-height: 1.2;
  }
  
  .features-grid-large .feature-card p {
    font-size: 0.6rem;
    line-height: 1.3;
  }
  
  /* Signup */
  .signup-section {
    padding: 50px 15px;
  }
  
  .signup-label {
    font-size: 0.65rem;
    margin-bottom: 15px;
  }
  
  .signup-title {
    font-size: 1.6rem;
    margin-bottom: 15px;
  }
  
  .signup-description {
    font-size: 0.9rem;
    margin-bottom: 25px;
  }
  
  .form-group input {
    padding: 12px 14px;
    font-size: 0.9rem;
    border-radius: 8px;
  }
  
  .submit-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
    border-radius: 8px;
  }
  
  .signup-note {
    font-size: 0.7rem;
  }
  
  .visual-card {
    padding: 16px;
    border-radius: 12px;
  }
  
  .card-number {
    font-size: 0.65rem;
  }
  
  .card-content h4 {
    font-size: 1rem;
  }
  
  .card-content p {
    font-size: 0.8rem;
  }
  
  /* Demo */
  .demo-section {
    padding: 50px 15px;
  }
  
  .demo-header {
    margin-bottom: 30px;
  }
  
  .demo-label {
    font-size: 0.65rem;
    margin-bottom: 10px;
  }
  
  .demo-title {
    font-size: 1.4rem;
    margin-bottom: 10px;
  }
  
  .demo-description {
    font-size: 0.85rem;
  }
  
  .video-frame {
    border-radius: 10px;
  }
  
  .play-btn {
    width: 50px;
    height: 50px;
  }
  
  .play-btn svg {
    width: 20px;
    height: 20px;
    margin-left: 2px;
  }
  
  /* Footer */
  #footer {
    padding: 30px 15px 25px;
  }
  
  .footer-brand {
    margin-bottom: 25px;
  }
  
  .footer-logo {
    font-size: 1.2rem;
    margin-bottom: 8px;
  }
  
  .footer-brand p {
    font-size: 0.75rem;
  }
  
  .footer-links {
    gap: 15px;
    margin-bottom: 25px;
  }
  
  .footer-link {
    font-size: 0.85rem;
  }
  
  .footer-bottom {
    padding-top: 20px;
  }
  
  .footer-bottom p {
    font-size: 0.65rem;
  }
  
  /* Modal */
  .modal-content {
    margin: 15px;
    padding: 25px 20px;
    border-radius: 16px;
  }
  
  .modal-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
  }
  
  .modal-icon svg {
    width: 28px;
    height: 28px;
  }
  
  .modal-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
  }
  
  .modal-content p {
    font-size: 0.85rem;
    margin-bottom: 25px;
  }
  
  .modal-close {
    padding: 12px 30px;
    font-size: 0.85rem;
  }
  
  /* Loader */
  .loader-logo {
    width: 150px;
    height: 45px;
    margin-bottom: 20px;
  }
  
  .loader-text {
    font-size: 28px;
  }
  
  .loader-bar {
    width: 150px;
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

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

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

/* Selection */
::selection {
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
}