:root {
  --primary-600: #5b5af7;
  --primary-500: #6c6bff;
  --primary-100: #ececff;
  --accent-cyan: #22d3ee;
  --accent-mint: #34d399;
  --warning: #f59e0b;
  --error: #ef4444;
  --bg: #0b1020;
  --surface-1: #121a30;
  --surface-2: #1a2440;
  --border: #2b375a;
  --text-primary: #f8fafc;
  --text-secondary: #b8c1d9;
  --text-muted: #93a0c1;
  --max-width: 1120px;
  --radius-card: 18px;
  --radius-btn: 14px;
  --shadow-soft: 0 12px 30px rgba(3, 8, 22, 0.45);
  --shadow-glow: 0 8px 30px rgba(91, 90, 247, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 78% 8%, rgba(34, 211, 238, 0.12), transparent 35%),
    radial-gradient(circle at 20% 28%, rgba(91, 90, 247, 0.2), transparent 42%),
    linear-gradient(180deg, #0b1020 0%, #0f1630 100%);
  line-height: 1.65;
}

a {
  color: #a5b4fc;
  text-decoration: none;
}

a:hover {
  color: #c7d2fe;
}

.container {
  width: min(var(--max-width), 100% - 32px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.7);
  border-bottom: 1px solid rgba(43, 55, 90, 0.8);
}

.header-row {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 700;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: 0.25s ease;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--primary-600), var(--primary-500));
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(108, 107, 255, 0.45);
  color: #fff;
}

.btn-secondary {
  background: rgba(26, 36, 64, 0.85);
  border-color: var(--border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #1f2b4d;
  color: var(--text-primary);
}

.hero {
  padding: 72px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.hero-grid-single {
  grid-template-columns: 1fr;
}

.eyebrow {
  display: inline-block;
  background: rgba(91, 90, 247, 0.15);
  border: 1px solid rgba(91, 90, 247, 0.35);
  color: #c7d2fe;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 12px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.2;
}

h1 {
  margin-top: 16px;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--text-secondary);
  font-size: 18px;
  margin: 18px 0 26px;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(184, 193, 217, 0.28);
  background: rgba(18, 26, 48, 0.72);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
}

.section {
  padding: 28px 0;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 12px;
}

.section-lead {
  margin: 0 0 26px;
  color: var(--text-secondary);
  max-width: 70ch;
}

.feature-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.feature-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
}

.feature-card {
  transition: all 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-600);
  box-shadow: 0 16px 40px rgba(91, 90, 247, 0.25);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.screens-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.screen-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #131b33;
  position: relative;
}

.screen-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 9 / 19.5;
}

.screen-label {
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: rgba(11, 16, 32, 0.78);
  border: 1px solid rgba(184, 193, 217, 0.28);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-primary);
}

.quick-faq {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.quick-faq h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.quick-faq p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 15px;
}

.legal-wrap {
  padding: 48px 0 72px;
}

.legal-header {
  margin: 0 0 20px;
}

.meta {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.legal-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
}

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

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.legal-section p,
.legal-section li {
  color: var(--text-secondary);
  font-size: 16px;
}

.legal-section ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.notice {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.44);
  border-radius: 16px;
  padding: 16px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-search {
  width: 100%;
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
  font-size: 15px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-1);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--primary-500);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-body {
  padding: 0 16px 14px;
  color: var(--text-secondary);
}

.site-footer {
  margin-top: 44px;
  border-top: 1px solid rgba(43, 55, 90, 0.7);
  padding: 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 20px;
}

.footer-copy,
.footer-col a,
.copyright {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.copyright {
  margin-top: 20px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: 0 12px;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 76px;
  left: 0;
  right: 0;
  background: rgba(11, 16, 32, 0.98);
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  padding: 16px;
  z-index: 999;
  backdrop-filter: blur(12px);
}

.mobile-menu a {
  padding: 10px 4px;
  color: var(--text-secondary);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

.mobile-menu.active {
  display: flex;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-faq {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-nav,
  .header-row > .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding-top: 54px;
  }

  h1 {
    font-size: clamp(30px, 8vw, 40px);
  }

  .feature-grid,
  .screens-grid {
    grid-template-columns: 1fr;
  }
}