:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --ink: #142033;
  --muted: #5b6b7f;
  --line: #d7e0ec;
  --accent: #1f4f8f;
  --accent-soft: #e8f0fa;
  --ok: #1f6b4a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9e8ff 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e7f4ef 0%, transparent 50%),
    var(--bg);
  line-height: 1.55;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  background: linear-gradient(145deg, #1f4f8f, #2f7d57);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  padding: 2.5rem 0 1.5rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
}

.lead {
  margin: 0 0 1.5rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.1rem;
  border-radius: 0.7rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.btn-secondary:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.25rem 1.35rem;
  margin: 1rem 0 2rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.features {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.features li {
  margin: 0.35rem 0;
}

.note {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--accent-soft);
  border-radius: 0.75rem;
  color: var(--ink);
  font-size: 0.95rem;
}

.legal {
  padding: 1rem 0 3rem;
}

.legal h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
}

.legal .meta {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.legal h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.15rem;
}

.legal p,
.legal li {
  color: var(--muted);
}

.legal ul {
  padding-left: 1.2rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
}