:root {
  --bg: #07101f;
  --bg-raise: #0f1b30;
  --card: #13233b;
  --line: #2a415f;
  --text: #f8fafc;
  --muted: #b7c6d8;
  --faint: #8ea3ba;
  --cyan: #7dd3fc;
  --blue: #38bdf8;
  --primary: #2563eb;
  --ok: #86efac;
  --err: #fca5a5;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 480px at 100% -10%, rgba(37, 99, 235, 0.35), transparent 55%),
    radial-gradient(700px 420px at 0% 10%, rgba(14, 116, 144, 0.28), transparent 50%),
    var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 16, 31, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(42, 65, 95, 0.85);
}
.bar {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex: 0 0 auto;
}
.brand img { width: 36px; height: 36px; }
.brand strong { display: block; font-size: 15px; letter-spacing: -0.02em; }
.brand em { display: block; font-style: normal; color: var(--faint); font-size: 12px; font-weight: 600; }

.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.nav-burger {
  display: none;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--text); }
.bar-actions { display: flex; gap: 10px; flex: 0 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  border: 0;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}
.btn.ghost:hover { background: rgba(255, 255, 255, 0.05); filter: none; }
.btn:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.hero { padding: 72px 0 28px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.lead {
  max-width: 62ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.section { padding: 28px 0 10px; }
h2 {
  margin: 0 0 8px;
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.section > p,
.prose p { color: var(--muted); }
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.card {
  display: block;
  background: rgba(19, 35, 59, 0.92);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  box-shadow: var(--shadow);
}
a.card:hover { border-color: var(--blue); }
.card h2, .card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card span { display: inline-block; margin-top: 14px; color: var(--cyan); font-size: 13px; font-weight: 700; }

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}
.panel {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}
.panel h2 { font-size: 22px; }
ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
li + li { margin-top: 8px; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 8px 0 0; }

.note {
  margin-top: 18px;
  color: var(--faint);
  font-size: 14px;
}

.form { display: grid; gap: 14px; }
.form label { font-size: 14px; font-weight: 700; }
.form input,
.form select,
.form textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0b1528;
  color: var(--text);
  font: inherit;
  padding: 12px 14px;
}
.form textarea { min-height: 140px; resize: vertical; }
.form button { justify-self: start; }
.form-status { min-height: 1.4em; margin: 0; font-size: 14px; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--err); }
.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.site-footer {
  margin-top: 48px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}
.site-footer strong { color: var(--text); }
.site-footer a { color: var(--muted); }
.site-footer p { margin: 8px 0; }
.fine { margin: 22px auto 0; width: min(1120px, calc(100% - 40px)); }

@media (max-width: 900px) {
  .nav-burger { display: inline-flex; }
  .site-nav, .bar-actions { display: none; }
  .site-header:has(.nav-toggle:checked) .site-nav,
  .site-header:has(.nav-toggle:checked) .bar-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin: 0 0 16px;
  }
  .site-header:has(.nav-toggle:checked) .bar {
    flex-wrap: wrap;
    padding-bottom: 8px;
  }
  .grid, .split, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 42px; }
  h1 { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}