/* ============================================
   TACTICAL TALK VISION — Production Stylesheet
   Moose Pack Inc / Tactical Talk
   tacticaltalk.vision
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: rgba(20, 20, 20, 0.8);
  --gold: #d4a843;
  --gold-light: #e8c96a;
  --gold-dark: #b08930;
  --gold-glow: rgba(212, 168, 67, 0.3);
  --gold-subtle: rgba(212, 168, 67, 0.08);
  --white: #f0f0f0;
  --white-muted: #aaaaaa;
  --white-dim: #666666;
  --red-alert: #ff4444;
  --green-safe: #44ff88;
  --blue-info: #4488ff;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Consolas', monospace;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-display);
  background-color: var(--bg-primary);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--gold-dark);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  color: var(--white-muted);
  font-size: 1.05rem;
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--gold-light);
}

.gold { color: var(--gold); }
.mono { font-family: var(--font-mono); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  display: block;
}

.section-title {
  margin-bottom: 24px;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--white-muted);
  max-width: 640px;
  margin-bottom: 64px;
}

.section-subtitle.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

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

/* ---------- Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 20px var(--gold-glow); }
  50% { box-shadow: 0 0 40px var(--gold-glow), 0 0 60px rgba(212, 168, 67, 0.15); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes scan-line {
  0% { top: 0; }
  100% { top: 100%; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes typing-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes radar-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes border-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--gold-glow);
  color: var(--bg-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-secondary:hover {
  background: var(--gold-subtle);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--gold-glow);
  color: var(--gold-light);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  text-decoration: none;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--bg-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--white-muted);
  transition: var(--transition);
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--gold);
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* Mobile Menu Button */
.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.nav-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(212, 168, 67, 0.08), transparent 70%),
              radial-gradient(ellipse 60% 40% at 30% 60%, rgba(68, 136, 255, 0.04), transparent),
              radial-gradient(ellipse 60% 40% at 70% 60%, rgba(212, 168, 67, 0.04), transparent);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 70%, var(--bg-primary) 100%);
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 168, 67, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 168, 67, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  padding: 0 24px;
  width: 100%;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  text-align: left;
}

.hero-product-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-product-image img {
  width: 100%;
  max-width: 560px;
  border-radius: 16px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6),
              0 0 120px rgba(212, 168, 67, 0.08);
  animation: float 6s ease-in-out infinite;
}

.hero-image-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse at center, rgba(212, 168, 67, 0.12), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--gold-subtle);
  border: 1px solid rgba(212, 168, 67, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 32px;
  font-family: var(--font-mono);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: glow-pulse 2s ease-in-out infinite;
}

.hero h1 {
  margin-bottom: 8px;
}

.hero h1 span {
  display: block;
}

.hero-title-top {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--white-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-title-main {
  background: linear-gradient(135deg, var(--white) 0%, var(--gold) 50%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
  line-height: 1.05;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--white-muted);
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 400;
}

.hero-equation {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.hero-equation .cursor {
  animation: typing-cursor 1s infinite;
  color: var(--gold-light);
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-dim);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--gold), transparent);
}

/* ---------- Product Vision Section ---------- */
#vision {
  background: var(--bg-primary);
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.vision-text h2 {
  margin-bottom: 24px;
}

.vision-text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.vision-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.vision-stat {
  text-align: center;
}

.vision-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold);
  font-family: var(--font-mono);
  line-height: 1;
}

.vision-stat-label {
  font-size: 0.8rem;
  color: var(--white-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* Vision AR Display Mockup */
.vision-display {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vision-display-inner {
  width: 85%;
  height: 85%;
  position: relative;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(212, 168, 67, 0.15);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.6);
}

/* Scan line effect */
.vision-display-inner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-glow), transparent);
  animation: scan-line 3s linear infinite;
  opacity: 0.6;
}

.vision-hud-element {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  opacity: 0.8;
}

.hud-tl {
  top: 12px;
  left: 12px;
}

.hud-tr {
  top: 12px;
  right: 12px;
  text-align: right;
}

.hud-bl {
  bottom: 12px;
  left: 12px;
}

.hud-br {
  bottom: 12px;
  right: 12px;
  text-align: right;
}

.hud-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.hud-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
}

.hud-crosshair::before,
.hud-crosshair::after {
  content: '';
  position: absolute;
}

.hud-crosshair::before {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold), transparent 30%, transparent 70%, var(--gold));
  opacity: 0.4;
}

.hud-crosshair::after {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent 30%, transparent 70%, var(--gold));
  opacity: 0.4;
}

.hud-face-box {
  position: absolute;
  top: 25%;
  left: 30%;
  width: 40%;
  height: 45%;
  border: 1px solid rgba(212, 168, 67, 0.4);
  border-radius: 4px;
}

.hud-face-box .corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--gold);
  border-style: solid;
}

.hud-face-box .corner-tl {
  top: -1px; left: -1px;
  border-width: 2px 0 0 2px;
}
.hud-face-box .corner-tr {
  top: -1px; right: -1px;
  border-width: 2px 2px 0 0;
}
.hud-face-box .corner-bl {
  bottom: -1px; left: -1px;
  border-width: 0 0 2px 2px;
}
.hud-face-box .corner-br {
  bottom: -1px; right: -1px;
  border-width: 0 2px 2px 0;
}

.hud-data-point {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 3px 8px;
  background: rgba(212, 168, 67, 0.1);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: 3px;
  color: var(--gold-light);
  white-space: nowrap;
}

.hud-data-point.dp1 { top: 20%; right: 8%; }
.hud-data-point.dp2 { top: 35%; right: 5%; }
.hud-data-point.dp3 { top: 50%; right: 8%; }
.hud-data-point.dp4 { bottom: 25%; left: 8%; }
.hud-data-point.dp5 { top: 20%; left: 5%; }

/* ---------- Glasses Section ---------- */
#glasses {
  background: var(--bg-secondary);
}

.glasses-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 80px;
}

.glasses-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 48px 40px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glasses-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: var(--transition);
}

.glasses-card:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-4px);
}

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

.glasses-card h3 {
  margin: 24px 0 12px;
}

.glasses-card p {
  font-size: 0.95rem;
}

/* Product Image in Glasses Card */
.glasses-product-image {
  width: 100%;
  aspect-ratio: 16/9;
  margin: 0 auto 8px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.glasses-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glasses-card:hover .glasses-product-image img {
  transform: scale(1.05);
}

/* Detail Banner */
.glasses-detail-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 80px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.glasses-detail-image {
  border-radius: 12px;
  overflow: hidden;
}

.glasses-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.glasses-detail-text h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.glasses-detail-text p {
  font-size: 1rem;
  line-height: 1.8;
}

/* Glasses Features Grid */
.glasses-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.glasses-feature {
  text-align: center;
  padding: 32px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.glasses-feature:hover {
  border-color: rgba(212, 168, 67, 0.2);
  background: var(--gold-subtle);
}

.glasses-feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: var(--gold-subtle);
  border: 1px solid rgba(212, 168, 67, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.glasses-feature h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.glasses-feature p {
  font-size: 0.85rem;
  color: var(--white-dim);
}

/* ---------- In Action Section ---------- */
#in-action {
  background: var(--bg-primary);
}

.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

.action-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: default;
}

.action-card-wide {
  grid-column: 1 / -1;
  aspect-ratio: 21/9;
}

.action-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.action-card:hover img {
  transform: scale(1.05);
}

.action-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

.action-card-mode {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
  display: block;
}

.action-card-overlay h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.action-card-overlay p {
  font-size: 0.9rem;
  color: var(--white-muted);
  max-width: 500px;
}

/* ---------- How It Works Section ---------- */
#how-it-works {
  background: var(--bg-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

/* Connecting line */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold), var(--gold-dark));
  opacity: 0.3;
  z-index: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.step-number-inner {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
}

.step-icon {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 32px;
  height: 32px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--bg-primary);
}

.step-card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--white-dim);
}

/* ---------- Use Cases / Modes Section ---------- */
#modes {
  background: var(--bg-secondary);
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(212, 168, 67, 0.3), transparent);
  -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;
  opacity: 0;
  transition: var(--transition);
}

.mode-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 67, 0.2);
}

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

.mode-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.mode-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gold-subtle);
  border: 1px solid rgba(212, 168, 67, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.mode-price {
  font-family: var(--font-mono);
  text-align: right;
}

.mode-price-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.mode-price-period {
  font-size: 0.75rem;
  color: var(--white-dim);
}

.mode-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.mode-card .mode-tagline {
  font-style: italic;
  color: var(--gold);
  font-size: 0.95rem;
  margin-bottom: 16px;
  opacity: 0.9;
}

.mode-card p {
  font-size: 0.9rem;
  color: var(--white-dim);
}

.mode-features {
  list-style: none;
  margin-top: 20px;
  padding: 0;
}

.mode-features li {
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--white-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.mode-features li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- Tech Section ---------- */
#tech {
  background: var(--bg-primary);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tech-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.tech-card:hover {
  border-color: rgba(212, 168, 67, 0.2);
}

.tech-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gold-subtle);
  border: 1px solid rgba(212, 168, 67, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.tech-card h3 {
  margin-bottom: 12px;
}

.tech-card p {
  font-size: 0.9rem;
  color: var(--white-dim);
  margin-bottom: 20px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--gold-subtle);
  border: 1px solid rgba(212, 168, 67, 0.15);
  border-radius: 4px;
  color: var(--gold);
}

/* ---------- Phone Mockup Section ---------- */
#app {
  background: var(--bg-secondary);
}

.app-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.app-text h2 {
  margin-bottom: 20px;
}

.app-text p {
  margin-bottom: 16px;
}

.app-text-features {
  list-style: none;
  margin-top: 32px;
  padding: 0;
}

.app-text-features li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--white-muted);
  font-size: 0.95rem;
}

.app-feature-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Phone Frame */
.phone-mockup {
  width: 300px;
  margin: 0 auto;
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.phone-frame {
  width: 100%;
  aspect-ratio: 9/19.5;
  background: #1a1a1a;
  border-radius: 40px;
  border: 3px solid #333;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* Notch */
.phone-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #1a1a1a;
  border-radius: 0 0 18px 18px;
  z-index: 10;
}

.phone-notch::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #333;
  border-radius: 4px;
}

/* Phone Screen */
.phone-screen {
  position: absolute;
  inset: 0;
  border-radius: 37px;
  overflow: hidden;
  background: #050510;
  padding: 36px 16px 16px;
  display: flex;
  flex-direction: column;
}

.phone-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--white-muted);
}

.phone-app-header {
  text-align: center;
  padding: 8px 0 16px;
}

.phone-app-logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.phone-app-subtitle {
  font-size: 0.6rem;
  color: var(--white-dim);
  margin-top: 2px;
}

/* Radar Animation */
.phone-radar {
  width: 140px;
  height: 140px;
  margin: 8px auto 16px;
  position: relative;
  border-radius: 50%;
  border: 1px solid rgba(212, 168, 67, 0.2);
  background: rgba(212, 168, 67, 0.03);
}

.phone-radar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform-origin: left center;
  animation: radar-sweep 3s linear infinite;
}

.phone-radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(212, 168, 67, 0.1);
}

.phone-radar-ring-1 {
  inset: 15%;
}
.phone-radar-ring-2 {
  inset: 35%;
}
.phone-radar-ring-3 {
  inset: 55%;
  background: rgba(212, 168, 67, 0.05);
}

.phone-radar-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--gold-glow);
}

.phone-radar-label {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--gold);
  opacity: 0.7;
  white-space: nowrap;
}

/* Signal Indicators */
.phone-signals {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 4px;
}

.phone-signal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
}

.phone-signal-label {
  font-size: 0.65rem;
  color: var(--white-dim);
}

.phone-signal-value {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.signal-green { color: var(--green-safe); }
.signal-gold { color: var(--gold); }
.signal-blue { color: var(--blue-info); }
.signal-red { color: var(--red-alert); }

.phone-signal-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  margin-top: 6px;
  overflow: hidden;
}

.phone-signal-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s ease;
}

.bar-green { background: var(--green-safe); }
.bar-gold { background: var(--gold); }
.bar-blue { background: var(--blue-info); }

/* Phone Mode Selector */
.phone-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 12px 4px 4px;
  margin-top: auto;
}

.phone-mode-btn {
  padding: 8px 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  text-align: center;
  font-size: 0.55rem;
  color: var(--white-dim);
  cursor: default;
}

.phone-mode-btn.active {
  background: var(--gold-subtle);
  border-color: rgba(212, 168, 67, 0.3);
  color: var(--gold);
}

.phone-mode-icon {
  font-size: 1rem;
  margin-bottom: 2px;
  display: block;
}

/* Phone bottom bar */
.phone-home-indicator {
  width: 120px;
  height: 4px;
  background: #444;
  border-radius: 4px;
  margin: 8px auto 4px;
}

/* ---------- Evolution Section ---------- */
#evolution {
  background: var(--bg-primary);
}

.evolution-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
  position: relative;
}

.evolution-timeline::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--white-dim), var(--gold), var(--gold-light));
  opacity: 0.3;
}

.evolution-step {
  text-align: center;
  position: relative;
}

.evolution-circle {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.evolution-circle.past {
  background: var(--bg-secondary);
  border: 2px solid var(--white-dim);
}

.evolution-circle.present {
  background: var(--bg-secondary);
  border: 2px solid var(--gold);
}

.evolution-circle.future {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border: 2px solid var(--gold-light);
  box-shadow: 0 0 30px var(--gold-glow);
}

.evolution-circle-inner {
  font-size: 2rem;
}

.evolution-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.evolution-step h3 {
  margin-bottom: 8px;
}

.evolution-step p {
  font-size: 0.85rem;
  color: var(--white-dim);
}

.evolution-link {
  display: inline-block;
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ---------- Early Access / Pricing Section ---------- */
#early-access {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

#early-access::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 67, 0.06), transparent 70%);
  pointer-events: none;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pricing-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--border-radius);
  padding: 2px;
  background: linear-gradient(135deg, transparent 30%, var(--gold) 50%, transparent 70%);
  background-size: 200% 200%;
  -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;
  opacity: 0;
  transition: opacity 0.5s;
  animation: border-flow 3s linear infinite paused;
}

.pricing-card:hover::before {
  opacity: 1;
  animation-play-state: running;
}

.pricing-card:hover {
  transform: translateY(-8px);
}

.pricing-card.featured {
  border-color: rgba(212, 168, 67, 0.3);
}

.pricing-card.featured::before {
  opacity: 0.5;
  animation-play-state: running;
}

.pricing-badge {
  display: inline-block;
  padding: 4px 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 50px;
  margin-bottom: 20px;
}

.pricing-tier {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.pricing-name {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-amount {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.1;
  margin: 16px 0 4px;
}

.pricing-type {
  font-size: 0.85rem;
  color: var(--white-dim);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  text-align: left;
  flex: 1;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--white-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.pricing-check {
  color: var(--gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-spots {
  margin-top: auto;
  padding-top: 20px;
}

.pricing-spots-count {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
}

.pricing-spots-label {
  font-size: 0.75rem;
  color: var(--white-dim);
  margin-bottom: 16px;
}

.pricing-spots-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 20px;
}

.pricing-spots-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 4px;
  transition: width 1s ease;
}

/* ---------- Email Signup Section ---------- */
#signup {
  background: var(--bg-primary);
}

.signup-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.signup-form {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.signup-input {
  flex: 1;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.signup-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.signup-input::placeholder {
  color: var(--white-dim);
}

.signup-success {
  display: none;
  padding: 16px 24px;
  background: rgba(68, 255, 136, 0.1);
  border: 1px solid rgba(68, 255, 136, 0.2);
  border-radius: var(--border-radius-sm);
  color: var(--green-safe);
  font-size: 0.95rem;
  margin-top: 16px;
}

.signup-error {
  display: none;
  padding: 16px 24px;
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid rgba(255, 68, 68, 0.2);
  border-radius: var(--border-radius-sm);
  color: var(--red-alert);
  font-size: 0.95rem;
  margin-top: 16px;
}

.signup-disclaimer {
  font-size: 0.75rem;
  color: var(--white-dim);
  margin-top: 12px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--white-dim);
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  color: var(--white);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--white-dim);
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--white-dim);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--white-dim);
}

/* ---------- Legal Pages ---------- */
.legal-page {
  padding-top: 120px;
  padding-bottom: 80px;
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.legal-content .legal-updated {
  font-size: 0.85rem;
  color: var(--white-dim);
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 1.4rem;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--gold);
}

.legal-content h3 {
  font-size: 1.1rem;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.8;
}

.legal-content ul, .legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--white-muted);
  line-height: 1.7;
}

.legal-content a {
  color: var(--gold);
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 0.9rem;
  color: var(--gold);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

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

  .hero-ctas {
    justify-content: center;
  }

  .hero-product-image img {
    max-width: 400px;
  }

  .vision-grid,
  .app-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .vision-display {
    max-width: 500px;
    margin: 0 auto;
  }

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

  .glasses-detail-banner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .action-card-wide {
    grid-column: 1;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .phone-mockup {
    order: -1;
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .steps-grid::before {
    display: none;
  }

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

  .glasses-showcase {
    grid-template-columns: 1fr;
  }

  .glasses-features {
    grid-template-columns: 1fr;
  }

  .evolution-timeline {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .evolution-timeline::before {
    display: none;
  }

  .signup-form {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .phone-mockup {
    width: 260px;
  }

  .vision-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .vision-stat-value {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .action-card {
    aspect-ratio: 4/3;
  }

  .action-card-wide {
    aspect-ratio: 16/10;
  }
}

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

/* Parallax container */
.parallax-element {
  will-change: transform;
}