/* ===== DEPTHLINE — Sonar Cave Mapping for Divers ===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;1,400&display=swap');

:root {
  --abyss: #030a14;
  --deep: #081626;
  --ocean: #0c1e38;
  --trench: #10243f;
  --surface: #17345a;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.12);
  --cyan-glow: rgba(0,229,255,0.35);
  --teal: #00bcd4;
  --coral: #ff6b6b;
  --sand: #c4b48a;
  --white: #f0f0f0;
  --ghost: rgba(255,255,255,0.75);
  --mist: rgba(255,255,255,0.45);
  --faint: rgba(255,255,255,0.08);
  --border: rgba(0,229,255,0.1);
  --font-display: 'Playfair Display', serif;
  --font-body: 'Outfit', sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
  --max-width: 1200px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ghost);
  background: var(--abyss);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; transition: color 0.3s var(--ease); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--font-display); color: #fff; line-height: 1.2; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== ANIMATIONS ===== */
@keyframes sonarPulse {
  0% { transform: scale(0.4); opacity: 0.7; }
  100% { transform: scale(2.5); opacity: 0; }
}
@keyframes float { 
  0%, 100% { transform: translateY(0); } 
  50% { transform: translateY(-14px); } 
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes glowLine {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes depthScan {
  0% { top: -2px; opacity: 1; }
  80% { opacity: 0.3; }
  100% { top: 100%; opacity: 0; }
}
@keyframes bubbleRise {
  0% { transform: translateY(100%) scale(0.5); opacity: 0; }
  20% { opacity: 0.6; }
  100% { transform: translateY(-120vh) scale(1); opacity: 0; }
}
@keyframes shimmer {
  0% { background-position: -300px 0; }
  100% { background-position: 300px 0; }
}

/* Scroll-triggered animation class */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-60px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(60px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger children */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.1s; }
.stagger > *:nth-child(3) { transition-delay: 0.2s; }
.stagger > *:nth-child(4) { transition-delay: 0.25s; }
.stagger > *:nth-child(5) { transition-delay: 0.3s; }
.stagger > *:nth-child(6) { transition-delay: 0.35s; }
.stagger > *:nth-child(7) { transition-delay: 0.4s; }
.stagger > *:nth-child(8) { transition-delay: 0.45s; }
.stagger > *:nth-child(9) { transition-delay: 0.5s; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(3,10,20,0.6);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, box-shadow 0.4s;
}
.navbar.scrolled { background: rgba(3,10,20,0.92); box-shadow: 0 4px 30px rgba(0,229,255,0.06); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.navbar-brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-body); font-weight: 700; font-size: 1.3rem;
  color: #fff; letter-spacing: -0.5px;
}
.navbar-brand .logo-mark {
  width: 36px; height: 36px; border-radius: 50%; position: relative;
  background: radial-gradient(circle at 40% 40%, var(--cyan), var(--teal));
  display: flex; align-items: center; justify-content: center;
}
.navbar-brand .logo-mark::after {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  border: 1.5px solid var(--cyan-glow); animation: sonarPulse 3s infinite;
}
.navbar-links { display: flex; gap: 36px; list-style: none; }
.navbar-links a {
  font-size: 0.92rem; font-weight: 500; color: var(--mist);
  position: relative; padding: 4px 0; letter-spacing: 0.3px;
}
.navbar-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--cyan); transition: width 0.3s var(--ease);
}
.navbar-links a:hover { color: #fff; }
.navbar-links a:hover::after { width: 100%; }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 1.2rem; cursor: pointer; color: var(--ghost); }

/* ===== MOBILE NAV ===== */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(3,10,20,0.97); backdrop-filter: blur(30px);
  flex-direction: column; align-items: center; justify-content: center; gap: 36px;
}
.mobile-nav.active { display: flex; }
.mobile-nav a { font-size: 1.5rem; font-weight: 600; color: #fff; }
.mobile-nav .close-btn { position: absolute; top: 24px; right: 24px; font-size: 2rem; background: none; border: none; cursor: pointer; color: var(--ghost); }

/* ===== HERO — Full-viewport cinematic ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: radial-gradient(ellipse at 30% 80%, rgba(0,188,212,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(0,229,255,0.05) 0%, transparent 50%),
              var(--abyss);
  padding: 140px 0 100px;
}
.hero-bg-effects { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

/* Sonar rings */
.sonar-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.15);
  animation: sonarPulse 4s infinite;
}
.sonar-ring:nth-child(1) { width: 300px; height: 300px; bottom: 20%; right: 10%; animation-delay: 0s; }
.sonar-ring:nth-child(2) { width: 200px; height: 200px; bottom: 25%; right: 15%; animation-delay: 1.3s; }
.sonar-ring:nth-child(3) { width: 400px; height: 400px; top: 10%; left: -5%; animation-delay: 2s; }

/* Floating particles (bubbles) */
.bubble {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0,229,255,0.3), transparent);
  animation: bubbleRise linear infinite;
}

.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.hero-text { animation: fadeUp 1s var(--ease) both; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; background: var(--cyan-dim);
  border: 1px solid rgba(0,229,255,0.2); border-radius: 50px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 28px;
}
.hero-badge .pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan); animation: sonarPulse 2s infinite;
}
.hero h1 { font-size: 3.6rem; margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 em { font-style: italic; color: var(--cyan); }
.hero p { font-size: 1.2rem; max-width: 520px; color: var(--mist); margin-bottom: 40px; line-height: 1.8; }

/* Hero visual — sonar screen mockup */
.hero-visual { animation: fadeUp 1s 0.3s var(--ease) both; position: relative; }
.sonar-screen {
  width: 100%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,0.03) 0%, var(--deep) 70%);
  border: 1px solid rgba(0,229,255,0.15);
  position: relative; overflow: hidden;
  box-shadow: 0 0 80px rgba(0,229,255,0.08), inset 0 0 60px rgba(0,229,255,0.04);
}
.sonar-screen::before {
  content: ''; position: absolute; top: 50%; left: 50%; width: 50%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-glow));
  transform-origin: left center;
  animation: sonarSweep 4s linear infinite;
}
@keyframes sonarSweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.sonar-screen .grid-line {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.06);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.sonar-screen .grid-line:nth-child(1) { width: 30%; height: 30%; }
.sonar-screen .grid-line:nth-child(2) { width: 55%; height: 55%; }
.sonar-screen .grid-line:nth-child(3) { width: 80%; height: 80%; }
.sonar-screen .crosshair-h, .sonar-screen .crosshair-v {
  position: absolute; background: rgba(0,229,255,0.06);
}
.sonar-screen .crosshair-h { width: 100%; height: 1px; top: 50%; }
.sonar-screen .crosshair-v { height: 100%; width: 1px; left: 50%; }

/* Blips on the sonar */
.sonar-blip {
  position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
  animation: float 3s ease-in-out infinite;
}
.sonar-blip:nth-child(6) { top: 35%; left: 40%; animation-delay: 0s; }
.sonar-blip:nth-child(7) { top: 55%; left: 65%; animation-delay: 0.8s; width: 6px; height: 6px; }
.sonar-blip:nth-child(8) { top: 42%; left: 58%; animation-delay: 1.5s; width: 5px; height: 5px; background: var(--teal); box-shadow: 0 0 12px var(--teal); }
.sonar-blip:nth-child(9) { top: 62%; left: 38%; animation-delay: 2s; width: 10px; height: 10px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 36px; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all 0.3s var(--ease); border: none; text-align: center;
  letter-spacing: 0.3px; position: relative; overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color: var(--abyss);
  box-shadow: 0 4px 20px rgba(0,229,255,0.25);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(0,229,255,0.35); color: var(--abyss); }
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 3s infinite;
}
.btn-ghost {
  background: transparent; color: var(--cyan);
  border: 1.5px solid rgba(0,229,255,0.3);
}
.btn-ghost:hover { background: var(--cyan-dim); border-color: var(--cyan); color: #fff; }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== STATS ROW ===== */
.stats-row {
  display: flex; gap: 48px; margin-top: 56px; flex-wrap: wrap;
}
.stat-item { text-align: left; }
.stat-number {
  font-family: var(--font-body); font-weight: 800; font-size: 2.2rem;
  color: var(--cyan); display: block;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.82rem; color: var(--mist); letter-spacing: 1px; text-transform: uppercase; }

/* ===== SECTIONS ===== */
.section { padding: 120px 0; position: relative; }
.section-dark { background: var(--deep); }
.section-gradient {
  background: linear-gradient(180deg, var(--abyss) 0%, var(--deep) 50%, var(--abyss) 100%);
}

/* Section Headers — left-aligned bold style */
.section-header { margin-bottom: 64px; max-width: 600px; }
.section-header .label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 16px;
}
.section-header .label::before {
  content: ''; width: 32px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.section-header h2 { font-size: 2.8rem; margin-bottom: 16px; letter-spacing: -0.5px; }
.section-header p { color: var(--mist); font-size: 1.1rem; }

/* Centered variant */
.section-header.centered { text-align: center; margin-left: auto; margin-right: auto; }

/* ===== FEATURE BENTO GRID ===== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.bento-card {
  background: linear-gradient(145deg, rgba(12,30,56,0.8), rgba(8,22,38,0.6));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all 0.4s var(--ease);
  position: relative; overflow: hidden;
}
.bento-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.bento-card:hover { transform: translateY(-4px); border-color: rgba(0,229,255,0.25); }
.bento-card:hover::before { opacity: 1; }

/* Make first card span 2 cols */
.bento-card.wide { grid-column: span 2; }
.bento-card.tall { grid-row: span 2; }

.bento-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 20px;
  background: var(--cyan-dim); border: 1px solid rgba(0,229,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.bento-card h3 { font-size: 1.3rem; margin-bottom: 12px; font-family: var(--font-body); font-weight: 700; }
.bento-card p { color: var(--mist); font-size: 0.95rem; line-height: 1.7; }

/* ===== HOW IT WORKS — Vertical timeline ===== */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 32px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(0,229,255,0.05));
}
.timeline-step {
  display: flex; gap: 40px; padding: 40px 0; position: relative;
}
.timeline-marker {
  flex-shrink: 0; width: 64px; height: 64px; border-radius: 50%;
  background: var(--deep); border: 2px solid var(--cyan);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-body); font-weight: 800; font-size: 1.3rem; color: var(--cyan);
  position: relative; z-index: 2;
  box-shadow: 0 0 24px rgba(0,229,255,0.15);
}
.timeline-content h3 { font-size: 1.4rem; margin-bottom: 10px; font-family: var(--font-body); font-weight: 700; }
.timeline-content p { color: var(--mist); font-size: 1rem; }

/* ===== PRICING — Glassmorphic cards ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: linear-gradient(160deg, rgba(12,30,56,0.7), rgba(8,22,38,0.4));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center; position: relative;
  transition: all 0.4s var(--ease);
}
.price-card:hover { transform: translateY(-6px); border-color: rgba(0,229,255,0.2); }
.price-card.featured {
  border-color: var(--cyan);
  background: linear-gradient(160deg, rgba(0,229,255,0.08), rgba(12,30,56,0.7));
  box-shadow: 0 0 40px rgba(0,229,255,0.08);
}
.price-card.featured::before {
  content: 'Most Popular'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  color: var(--abyss); padding: 5px 22px; border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px;
}
.price-card h3 { font-size: 1.3rem; margin-bottom: 4px; font-family: var(--font-body); font-weight: 600; }
.price-tag { font-family: var(--font-body); font-weight: 800; font-size: 3rem; color: #fff; margin: 20px 0; }
.price-tag span { font-size: 1rem; font-weight: 400; color: var(--mist); }
.price-features { list-style: none; text-align: left; margin: 28px 0; }
.price-features li { padding: 10px 0; color: var(--mist); font-size: 0.92rem; border-bottom: 1px solid var(--faint); display: flex; align-items: center; gap: 10px; }
.price-features li:last-child { border-bottom: none; }
.price-features li::before { content: '✓'; color: var(--cyan); font-weight: 700; font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: rgba(12,30,56,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px; overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item:hover, .faq-item.open { border-color: rgba(0,229,255,0.2); }
.faq-question {
  padding: 22px 28px; font-weight: 600; cursor: pointer; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  transition: background 0.3s; color: #fff;
}
.faq-question:hover { background: rgba(0,229,255,0.04); }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--cyan); transition: transform 0.3s var(--ease); }
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: all 0.5s var(--ease); padding: 0 28px; }
.faq-item.open .faq-answer { padding: 0 28px 24px; max-height: 500px; }
.faq-answer p { color: var(--mist); }

/* ===== SPLIT SECTION (About / CTA) ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split-text h2 { font-size: 2.4rem; margin-bottom: 20px; }
.split-text p { color: var(--mist); font-size: 1.05rem; margin-bottom: 16px; }
.founder-tag { display: flex; align-items: center; gap: 16px; margin-top: 32px; }
.founder-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--teal));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--abyss); font-size: 1.1rem;
}
.founder-info .name { font-weight: 700; color: #fff; font-size: 0.95rem; }
.founder-info .role { font-size: 0.82rem; color: var(--mist); }

/* Visual block — topographic cave illustration */
.cave-visual {
  width: 100%; aspect-ratio: 4/3; border-radius: var(--radius);
  background: radial-gradient(ellipse at 60% 50%, rgba(0,229,255,0.06), var(--deep));
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.cave-visual .topo-line {
  position: absolute; border-radius: 40%;
  border: 1px solid rgba(0,229,255,0.07);
}

/* ===== CTA BANNER ===== */
.cta-banner {
  padding: 100px 0; text-align: center; position: relative; overflow: hidden;
  background: radial-gradient(ellipse at center, rgba(0,229,255,0.06) 0%, var(--abyss) 70%);
}
.cta-banner h2 { font-size: 2.8rem; margin-bottom: 16px; }
.cta-banner p { color: var(--mist); font-size: 1.15rem; margin-bottom: 36px; max-width: 550px; margin-left: auto; margin-right: auto; }

/* ===== FOOTER ===== */
.footer {
  background: var(--deep); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand { font-family: var(--font-body); font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-desc { font-size: 0.88rem; color: var(--mist); margin-bottom: 16px; }
.footer h4 { color: #fff; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 18px; font-family: var(--font-body); font-weight: 700; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--mist); font-size: 0.88rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  font-size: 0.8rem; color: var(--mist); text-align: center; opacity: 0.7;
}

/* ===== LEGAL PAGES ===== */
.page-hero {
  padding: 160px 0 70px; text-align: center; position: relative;
  background: radial-gradient(ellipse at 50% 80%, rgba(0,229,255,0.06), var(--abyss));
}
.page-hero h1 { font-size: 3rem; margin-bottom: 12px; }
.page-hero p { font-size: 1.1rem; color: var(--mist); max-width: 600px; margin: 0 auto; }

.legal-content { max-width: 800px; margin: 0 auto; padding: 64px 24px; }
.legal-content h2 { font-size: 1.4rem; margin: 40px 0 16px; color: var(--cyan); font-family: var(--font-body); font-weight: 700; }
.legal-content h3 { font-size: 1.15rem; margin: 24px 0 12px; font-family: var(--font-body); font-weight: 600; }
.legal-content p { color: var(--mist); margin-bottom: 16px; }
.legal-content ul { margin: 12px 0 20px 24px; color: var(--mist); }
.legal-content ul li { margin-bottom: 8px; }

/* ===== BETA PAGE EXTRAS ===== */
.beta-card {
  background: linear-gradient(160deg, rgba(12,30,56,0.7), rgba(8,22,38,0.4));
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius); padding: 44px;
  max-width: 520px; margin: 48px auto;
}
.beta-card h3 { font-size: 1.3rem; margin-bottom: 20px; font-family: var(--font-body); font-weight: 700; }
.beta-card ul { list-style: none; }
.beta-card li { padding: 10px 0; color: var(--ghost); display: flex; align-items: center; gap: 10px; }
.beta-card li::before { content: '→'; color: var(--cyan); font-weight: 700; }

/* ===== DEPTH GAUGE — decorative ===== */
.depth-gauge {
  position: fixed; right: 24px; top: 50%; transform: translateY(-50%);
  z-index: 100; display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.depth-gauge .tick { width: 3px; height: 16px; background: rgba(0,229,255,0.1); border-radius: 2px; }
.depth-gauge .tick.active { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.depth-gauge .depth-label {
  font-size: 0.65rem; color: var(--mist); letter-spacing: 1px; text-transform: uppercase;
  writing-mode: vertical-rl; margin-top: 12px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 400px; margin: 0 auto; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .bento-grid { grid-template-columns: 1fr 1fr; }
  .bento-card.wide { grid-column: span 1; }
}

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .menu-toggle { display: block; }
  .hero { padding: 130px 0 80px; min-height: auto; }
  .hero h1 { font-size: 2.4rem; }
  .section { padding: 80px 0; }
  .section-header h2 { font-size: 2rem; }
  .bento-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { gap: 32px; }
  .depth-gauge { display: none; }
  .timeline::before { left: 24px; }
  .timeline-marker { width: 48px; height: 48px; font-size: 1rem; }
  .timeline-step { gap: 24px; }
  .cta-banner h2 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .stats-row { flex-direction: column; gap: 20px; }
}