:root {
  color-scheme: light;
  --ink: #092f31;
  --muted: #527071;
  --surface: rgba(255, 255, 255, 0.86);
  --line: rgba(9, 47, 49, 0.12);
  --accent: #087c75;
  --accent-soft: #dcefed;
  --warm: #f2dfdb;
  --page: #f4f7f4;
  --shadow: 0 18px 60px rgba(24, 65, 61, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 8%, rgba(242, 223, 219, 0.95), transparent 32rem),
    radial-gradient(circle at 8% 92%, rgba(194, 224, 219, 0.92), transparent 34rem),
    var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #045b57;
}

.shell {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.site-header {
  padding: 1.1rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 0.85rem;
  color: white;
  background: linear-gradient(145deg, #0b8e84, #065f5a);
  box-shadow: 0 8px 20px rgba(6, 95, 90, 0.22);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

.hero {
  padding: clamp(3.5rem, 9vw, 8rem) 0 clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.2rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

h3 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
}

.lede {
  max-width: 42rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 26px rgba(24, 65, 61, 0.08);
}

.button.primary {
  border-color: transparent;
  color: white;
  background: var(--ink);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.card,
.document {
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card {
  padding: 1.5rem;
}

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

.page-main {
  padding: clamp(2rem, 6vw, 5rem) 0 clamp(4rem, 8vw, 7rem);
}

.document {
  max-width: 52rem;
  padding: clamp(1.5rem, 5vw, 3.4rem);
}

.document h1 {
  max-width: none;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
}

.document h2 {
  margin-top: 2.3rem;
  font-size: 1.45rem;
}

.document ul,
.document ol {
  padding-left: 1.25rem;
}

.meta {
  margin: 1rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.notice {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0.7rem;
  background: var(--accent-soft);
}

.site-footer {
  padding: 1.8rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
}

@media (max-width: 46rem) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

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