:root {
  color-scheme: light dark;
  --background: #f4f1e9;
  --surface: #fffdf8;
  --text: #17201d;
  --muted: #59635e;
  --accent: #206a59;
  --accent-strong: #154f42;
  --border: #d8ddd7;
  --focus: #2d8d76;
  --shadow: 0 18px 48px rgb(35 50 44 / 10%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgb(73 151 127 / 12%), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.16em;
  text-decoration-thickness: 0.08em;
}

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

a:focus-visible {
  border-radius: 0.2rem;
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header,
.site-footer {
  background: rgb(255 253 248 / 82%);
  border-color: var(--border);
  border-style: solid;
  border-width: 0 0 1px;
  backdrop-filter: blur(16px);
}

.site-footer {
  border-width: 1px 0 0;
  margin-top: 4rem;
}

.nav,
.footer-inner,
main {
  margin: 0 auto;
  max-width: 760px;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

.nav,
.footer-inner {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  min-height: 4.25rem;
}

.brand {
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}

.nav-links a,
.footer-links a {
  font-size: 0.95rem;
  font-weight: 600;
}

main {
  padding-bottom: 1rem;
  padding-top: 4.5rem;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: -0.025em;
  line-height: 1.18;
}

h1 {
  font-size: clamp(2.35rem, 10vw, 4rem);
  margin: 0;
}

h2 {
  font-size: clamp(1.35rem, 5vw, 1.7rem);
  margin: 0 0 0.8rem;
}

h3 {
  font-size: 1.08rem;
  margin: 1.4rem 0 0.4rem;
}

.lede {
  color: var(--muted);
  font-size: clamp(1.08rem, 3vw, 1.25rem);
  margin: 1rem 0 0;
  max-width: 42rem;
}

.updated {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 1.25rem;
}

.card,
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  margin-top: 1.5rem;
  padding: clamp(1.25rem, 5vw, 2rem);
}

.hero-card {
  border-color: rgb(32 106 89 / 35%);
  margin-top: 2.25rem;
}

.button {
  background: var(--accent-strong);
  border-radius: 999px;
  color: white;
  display: inline-block;
  font-weight: 700;
  margin-top: 0.75rem;
  padding: 0.75rem 1.15rem;
  text-decoration: none;
}

.button:hover {
  background: var(--accent);
  color: white;
}

p,
ul,
ol {
  margin-bottom: 0;
  margin-top: 0.75rem;
}

ul,
ol {
  padding-left: 1.35rem;
}

li + li {
  margin-top: 0.55rem;
}

.notice {
  border-left: 4px solid var(--accent);
  color: var(--muted);
  padding-left: 1rem;
}

.footer-inner {
  color: var(--muted);
  min-height: 5.5rem;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  padding-top: 1rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0e1513;
    --surface: #17201d;
    --text: #f2f5ef;
    --muted: #b7c1bb;
    --accent: #77cbb2;
    --accent-strong: #a1ddca;
    --border: #34413c;
    --focus: #8ee1c6;
    --shadow: 0 18px 48px rgb(0 0 0 / 24%);
  }

  .site-header,
  .site-footer {
    background: rgb(14 21 19 / 82%);
  }

  .button {
    background: #a1ddca;
    color: #102019;
  }

  .button:hover {
    background: #77cbb2;
    color: #102019;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  main {
    padding-top: 3rem;
  }

  .nav,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 0.9rem;
    padding-top: 0.9rem;
  }
}