/* ==========================================================================
   VeloTrack Design System & Stylesheet
   Modern, Ultra-Premium Dark Theme with Glassmorphism & Neon Accents
   ========================================================================== */

:root {
  --bg-dark: #070b14;
  --bg-primary: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(0, 229, 255, 0.25);

  --accent-cyan: #00E5FF;
  --accent-cyan-glow: rgba(0, 229, 255, 0.35);
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;
  --accent-red: #ef4444;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --shadow-glow: 0 0 30px rgba(0, 229, 255, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

/* Background Ambient Glows */
.ambient-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, rgba(59, 130, 246, 0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-secondary {
  position: absolute;
  top: 1400px;
  right: -200px;
  width: 700px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, rgba(16, 185, 129, 0.04) 60%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #00E5FF, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 14px rgba(0, 229, 255, 0.3);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.logo-badge {
  font-size: 11px;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.15);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(0, 229, 255, 0.3);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #00E5FF, #00B0FF);
  color: #070b14;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 229, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 229, 255, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
  padding: 100px 0 80px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  color: #34d399;
  margin-bottom: 24px;
}

.hero-pill .pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00E5FF 0%, #60a5fa 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-store-badges {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
}

.hero-store-badges span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Phone Mockup HUD Preview */
.phone-mockup-wrapper {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-frame {
  width: 340px;
  background: #000000;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 40px rgba(0, 229, 255, 0.2);
  border: 4px solid #1e293b;
  position: relative;
}

.phone-screen {
  background: #070b14;
  border-radius: 34px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  position: relative;
}

.hud-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}

.hud-radar-banner {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 12px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: #34d399;
}

.hud-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hud-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 14px;
}

.hud-card-label {
  font-size: 10px;
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hud-card-val {
  font-size: 26px;
  font-weight: 900;
  font-family: var(--font-heading);
  color: #ffffff;
  line-height: 1.1;
  margin-top: 4px;
}

.hud-card-unit {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  margin-left: 2px;
}

.hud-elevation-svg {
  width: 100%;
  height: 60px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 6px;
}

.hud-gear-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 700;
}

/* Feature Showcase Grid */
.features-section {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 17px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 15px 35px -10px rgba(0, 229, 255, 0.15);
}

.feature-icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.feature-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hardware & Ecosystem Integration Strip */
.integrations-section {
  padding: 80px 0;
  background: rgba(15, 23, 42, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.integrations-bar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  text-align: center;
}

.integration-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.integration-item-icon {
  font-size: 32px;
}

.integration-item-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.integration-item-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* Call to Action Section */
.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9));
  border: 1px solid var(--border-highlight);
  border-radius: 28px;
  padding: 70px 40px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 900;
  margin-bottom: 18px;
}

.cta-desc {
  color: var(--text-muted);
  font-size: 18px;
  max-width: 580px;
  margin: 0 auto 36px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Legal & Policy Pages (Privacy, Support, Deletion) */
.legal-content-wrapper {
  padding: 80px 0 120px;
  max-width: 820px;
  margin: 0 auto;
}

.legal-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.legal-title {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
}

.legal-meta {
  color: var(--text-dim);
  font-size: 14px;
}

.legal-body h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--accent-cyan);
}

.legal-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 10px;
  color: #ffffff;
}

.legal-body p {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 18px;
}

.legal-body ul, .legal-body ol {
  color: var(--text-muted);
  margin-left: 24px;
  margin-bottom: 20px;
}

.legal-body li {
  margin-bottom: 8px;
}

.legal-callout {
  background: rgba(0, 229, 255, 0.08);
  border-left: 4px solid var(--accent-cyan);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: #e2e8f0;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  background: #050811;
  color: var(--text-dim);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 14px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 13px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin: 0 auto 36px;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-store-badges {
    justify-content: center;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 38px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none; /* simple mobile simplification */
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}