:root {
  --ink: #14213d;
  --muted: #5d6778;
  --surface: #ffffff;
  --soft: #f5f7fb;
  --line: #dfe5ee;
  --accent: #2457e6;
  --accent-dark: #173ca8;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.65;
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.96);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 760;
  letter-spacing: -.02em;
}

.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--ink);
  color: white;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
}

.hero {
  padding: 92px 0 76px;
  background:
    radial-gradient(circle at 85% 0%, rgba(36,87,230,.13), transparent 34%),
    linear-gradient(180deg, #fff, var(--soft));
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 760;
}

h1 {
  max-width: 820px;
  margin: 0 0 22px;
  font-size: clamp(2.7rem, 7vw, 5.5rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.lede {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--ink);
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

section { padding: 70px 0; }

.section-soft { background: var(--soft); }

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -.035em;
}

h3 { margin-top: 0; }

.copy {
  max-width: 760px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  background: #fff;
}

.card p { color: var(--muted); }

.details {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 12px 22px;
  margin: 28px 0 0;
}

.details dt {
  color: var(--muted);
  font-weight: 650;
}

.details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.notice {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: #eef3ff;
  color: #263453;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
  color: var(--muted);
  font-size: .92rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.legal {
  padding: 64px 0 90px;
}

.legal h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
}

.legal h2 {
  margin-top: 44px;
  font-size: 1.55rem;
}

.legal p, .legal li {
  max-width: 820px;
  color: var(--muted);
}

code {
  background: #eef1f6;
  padding: .15em .35em;
  border-radius: 5px;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    padding: 18px 0;
    flex-direction: column;
  }

  .hero { padding-top: 64px; }
  .grid { grid-template-columns: 1fr; }
  .details { grid-template-columns: 1fr; gap: 2px; }
  .details dd { margin-bottom: 14px; }
}