:root {
  color-scheme: light;
  --bg: #f1e8d8;
  --bg-soft: #fbf6ed;
  --panel: rgba(255, 252, 245, 0.95);
  --panel-strong: #fffef9;
  --text: #18202d;
  --muted: #485162;
  --faint: #70798b;
  --line: rgba(24, 32, 45, 0.12);
  --accent: #213b66;
  --accent-2: #8a6b2c;
  --accent-3: #6f8267;
  --shadow: 0 24px 62px rgba(24, 32, 45, 0.12);
  --radius: 22px;
  --radius-sm: 16px;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.62;
  background:
    radial-gradient(circle at top right, rgba(138, 107, 44, 0.16), transparent 32%),
    radial-gradient(circle at bottom left, rgba(33, 59, 102, 0.14), transparent 28%),
    linear-gradient(180deg, #f7f0e0 0%, #f1e8d8 55%, #ebe0cc 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.skip-link:focus {
  inset-block-start: 1rem;
}

.site-shell {
  width: min(1120px, calc(100vw - 2rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(247, 240, 224, 0.84);
  border-bottom: 1px solid var(--line);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: 1.16rem;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(138, 107, 44, 0.12);
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

nav a {
  color: var(--muted);
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
}

nav a:hover,
nav a:focus-visible {
  color: var(--text);
  background: rgba(33, 59, 102, 0.08);
}

main {
  padding: 2rem 0 4rem;
}

.hero,
.section {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: calc(var(--radius) + 6px);
  overflow: clip;
}

.hero-inner {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.4rem, 4vw, 3rem);
}

.hero-copy,
.hero-aside,
.page-band {
  container-type: inline-size;
}

.hero-copy {
  display: grid;
  gap: 1rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  margin: 0;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(33, 59, 102, 0.1);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

h3 {
  font-size: 1.16rem;
}

p {
  margin: 0;
  color: var(--muted);
}

.lede {
  font-size: 1.08rem;
  max-width: 62ch;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.76rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #4063a2);
  color: #fff;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.5);
  color: var(--text);
  border-color: rgba(24, 32, 45, 0.12);
}

.hero-aside {
  display: grid;
  gap: 1rem;
}

.forest-card,
.card,
.note,
details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
}

.forest-card {
  padding: 1.1rem;
}

.forest-card.small-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(33, 59, 102, 0.08);
  color: var(--accent);
  font-weight: 700;
}

.card,
.note,
details {
  padding: 1rem;
}

.section {
  margin-top: 1.4rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-radius: var(--radius);
}

.section-head {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.section-head p {
  max-width: 62ch;
}

.card-grid,
.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card h3 {
  margin-bottom: 0.4rem;
  color: var(--text);
}

.card p,
.note p,
.section-copy p,
summary {
  color: var(--muted);
}

.page-band {
  display: grid;
  gap: 1rem;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

.footer {
  margin-top: 2rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--faint);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: center;
}

.footer small {
  color: var(--faint);
}

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}

@container (min-width: 720px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    align-items: center;
  }

  .page-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

  .button {
    transition: none;
  }
}