:root {
  color-scheme: light dark;
  --accent: #079b7d;
  --accent-strong: #06755f;
  --accent-soft: rgba(7, 155, 125, 0.1);
  --background: #f4f5f8;
  --surface: rgba(255, 255, 255, 0.92);
  --text: #17181b;
  --secondary: #666a73;
  --border: rgba(23, 24, 27, 0.1);
  --shadow: 0 20px 60px rgba(27, 36, 46, 0.08);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 0%, var(--accent-soft), transparent 34rem),
    var(--background);
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

.site-header,
.site-footer,
main {
  width: min(100% - 2rem, 900px);
  margin-inline: auto;
}

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

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

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 0.72rem;
  color: white;
  background: linear-gradient(145deg, #0dbb98, #05735e);
  box-shadow: 0 8px 20px rgba(7, 155, 125, 0.22);
}

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

nav a {
  color: var(--secondary);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

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

main {
  padding-block: 2.75rem 4rem;
}

.hero {
  padding-block: clamp(2rem, 8vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 4.6rem);
  letter-spacing: -0.045em;
}

h2 {
  margin: 2.4rem 0 0.8rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: 0.35rem;
}

.lead {
  max-width: 62ch;
  margin: 1.2rem 0 0;
  color: var(--secondary);
  font-size: clamp(1.05rem, 2.5vw, 1.24rem);
}

.card,
.document {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.document {
  padding: clamp(1.35rem, 5vw, 3.25rem);
}

.document > :first-child {
  margin-top: 0;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-block: 1.75rem 2.5rem;
}

.summary div {
  padding: 1rem;
  border-radius: 1rem;
  background: var(--accent-soft);
}

.summary strong {
  display: block;
  color: var(--accent-strong);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  min-height: 13rem;
  flex-direction: column;
  padding: 1.5rem;
}

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

.card-link {
  margin-top: auto;
  font-weight: 700;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.4rem;
}

.notice {
  margin-block: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0.75rem;
  background: var(--accent-soft);
}

.meta {
  color: var(--secondary);
  font-size: 0.92rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  color: white;
  background: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--secondary);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  main {
    padding-top: 1rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #38d5b4;
    --accent-strong: #69e5ca;
    --accent-soft: rgba(56, 213, 180, 0.12);
    --background: #101214;
    --surface: rgba(27, 30, 34, 0.94);
    --text: #f3f5f6;
    --secondary: #afb5bd;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
  }
}

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