:root {
  --bg-deep: #050814;
  --bg-surface: #0b1124;
  --bg-card: rgba(15, 23, 42, 0.78);
  --bg-card-hover: rgba(22, 33, 60, 0.9);
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-glow: rgba(6, 182, 212, 0.45);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --cyan: #06b6d4;
  --emerald: #10b981;
  --amber: #f59e0b;
  --rose: #f43f5e;
  --purple: #8b5cf6;
  --blue: #3b82f6;
  --z1: #6b7280;
  --z2: #3b82f6;
  --z3: #10b981;
  --z4: #eab308;
  --z5: #f97316;
  --z6: #ef4444;
  --z7: #a855f7;
  --max-width: 1200px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 10%, rgba(6, 182, 212, 0.18), transparent 40%),
    radial-gradient(circle at 88% 15%, rgba(16, 185, 129, 0.15), transparent 42%),
    radial-gradient(circle at 50% 65%, rgba(244, 63, 94, 0.08), transparent 48%),
    var(--bg-deep);
  overflow-x: hidden;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.18s ease, opacity 0.18s ease;
}

a:hover {
  color: #38bdf8;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 8, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

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

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--emerald));
  color: #03111a;
  box-shadow: 0 8px 28px rgba(6, 182, 212, 0.32);
}

.btn-primary:hover {
  color: #03111a;
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(16, 185, 129, 0.42);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.11);
  border-color: var(--border-glow);
}

/* Hero Section */
.hero {
  padding: 80px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.35);
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.6vw, 3.85rem);
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #34d399 55%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 1.16rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

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

.phone-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
}

.phone-frame {
  border-radius: 30px;
  padding: 8px;
  background: linear-gradient(145deg, #273249, #0f172a);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.65), 0 0 40px rgba(6, 182, 212, 0.16);
  transition: transform 0.25s ease;
}

.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}

.phone-frame.hero-main {
  width: 260px;
  z-index: 2;
}

.phone-frame.hero-side {
  width: 210px;
  opacity: 0.92;
}

.phone-frame.hero-side.left {
  transform: rotate(-6deg) translateX(24px) translateY(14px);
}

.phone-frame.hero-side.right {
  transform: rotate(6deg) translateX(-24px) translateY(14px);
}

/* Zone Bar */
.zone-strip-wrap {
  margin: 24px 0 64px;
}

.zone-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}

.zone-chip {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 4px solid var(--z1);
}

.zone-chip strong {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.zone-chip span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Section Headers */
.section {
  padding: 68px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.06rem;
}

/* Feature Grid */
.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: 28px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 18px;
  background: rgba(6, 182, 212, 0.14);
  border: 1px solid rgba(6, 182, 212, 0.32);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 750;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-list {
  margin-top: 14px;
  list-style: none;
}

.feature-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-list li::before {
  content: "•";
  color: var(--emerald);
  font-weight: 900;
}

/* Screenshots Showcase */
.screenshots-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.shot-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.shot-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.shot-card img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.shot-card h4 {
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.shot-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Banner Image */
.promo-banner {
  margin: 24px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

.promo-banner img {
  display: block;
  width: 100%;
  height: auto;
}

/* Legal & Support Content Pages */
.page-hero {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(11, 17, 36, 0.5);
}

.page-hero h1 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 850;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.page-hero .meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.prose-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.prose-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 28px;
}

.prose-card h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.prose-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 20px 0 8px;
}

.prose-card p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.98rem;
}

.prose-card p:last-child {
  margin-bottom: 0;
}

.prose-card ul,
.prose-card ol {
  margin: 10px 0 16px 22px;
  color: var(--text-secondary);
}

.prose-card li {
  margin-bottom: 8px;
  font-size: 0.96rem;
}

.prose-card strong {
  color: var(--text-primary);
}

.highlight-box {
  background: rgba(6, 182, 212, 0.08);
  border-left: 4px solid var(--cyan);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 18px 0;
}

.highlight-box.warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--amber);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.summary-tile {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.summary-tile h3 {
  font-size: 1rem;
  font-weight: 750;
  margin-bottom: 6px;
  color: var(--emerald);
}

.summary-tile p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(3, 6, 15, 0.9);
  padding: 56px 0 40px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

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

.footer-col li {
  margin-bottom: 9px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.trademark-note {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero p.lead {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions,
  .hero-pills {
    justify-content: center;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .screenshots-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .zone-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .navbar-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 14px 0;
  }
  .nav-links {
    gap: 16px;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  .features-grid,
  .screenshots-row,
  .summary-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .phone-frame.hero-side {
    display: none;
  }
  .prose-card {
    padding: 24px;
  }
}