:root {
  --bg: #09121b;
  --panel: rgba(18, 32, 48, 0.88);
  --text: #eef6ff;
  --muted: #adc2d8;
  --line: rgba(157, 201, 240, 0.18);
  --brand: #77f1c5;
  --brand2: #ffbf73;
  --shadow: 0 18px 60px rgba(1, 9, 18, 0.45);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(138, 166, 255, 0.16), transparent 24%),
    radial-gradient(circle at left center, rgba(119, 241, 197, 0.10), transparent 28%),
    linear-gradient(180deg, #08111a 0%, #0d1823 100%);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main, .site-header, .site-footer { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 15, 24, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.brand { font-weight: 800; letter-spacing: 0.02em; font-size: 1.05rem; }
.brand span { color: var(--brand); }
.nav-toggle {
  display: none;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 12px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
  color: var(--muted);
}
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 48px 0 24px;
}
.hero-copy, .hero-media, .content-section, .cta-band, .site-footer, .mini-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-copy { padding: 30px 24px; }
.hero-media { overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
h1, h2, h3 { line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.2rem, 7vw, 4.6rem); max-width: 12ch; }
h2 { font-size: clamp(1.6rem, 4vw, 2.7rem); }
h3 { font-size: 1.15rem; margin-bottom: 10px; }
.lede {
  margin: 18px 0 0;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 68ch;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
}
.btn-primary { color: #061018; background: linear-gradient(135deg, var(--brand), #8ddcff); }
.btn-secondary { color: var(--text); background: rgba(255,255,255,0.05); border: 1px solid var(--line); }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.trust-row span, .related-links a {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.9rem;
}
.quick-grid, .feature-grid, .image-row, .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.mini-card, .content-section, .cta-band { padding: 24px 22px; }
.mini-card p, .content-section p, .site-footer p, .image-card span { color: var(--muted); }
.content-section { margin: 18px 0; }
.section-head { display: grid; gap: 10px; margin-bottom: 18px; }
.section-intro { margin: 0; color: var(--muted); }
.check-list { margin: 0; padding-left: 18px; display: grid; gap: 10px; }
.content-section strong { color: var(--text); }
.image-card img { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.image-card span { display: block; margin-top: 8px; font-size: 0.92rem; }
.cta-band {
  display: grid;
  gap: 18px;
  margin: 18px 0;
  background: linear-gradient(135deg, rgba(119,241,197,0.10), rgba(255,191,115,0.08)), var(--panel);
}
.faq-grid { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  padding: 14px 16px;
}
.faq-item summary { cursor: pointer; font-weight: 700; }
.faq-item div { margin-top: 10px; }
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.site-footer { padding: 24px 22px; margin-bottom: 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-links a { color: var(--muted); }

@media (min-width: 760px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; align-items: stretch; }
  .quick-grid, .feature-grid, .image-row, .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cta-band { grid-template-columns: 1.3fr 0.7fr; align-items: center; }
}

@media (max-width: 759px) {
  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7, 15, 24, 0.96);
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
}