:root {
  --bg: #f3f2ed;
  --bg-2: #e8e7e1;
  --surface: #ffffff;
  --ink: #20211e;
  --accent: #4a6a62;
  --accent-soft: #e2eae6;
  --hairline: #e6e4dc;
  --muted: #92938c;
  --body: #5a5b55;
  --max: 42rem;
  --wide: 64rem;
  --radius: 1.25rem;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(74, 106, 98, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(226, 234, 230, 0.9), transparent 50%),
    linear-gradient(165deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

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

.wrap {
  width: min(100% - 2.5rem, var(--wide));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(243, 242, 237, 0.78);
  border-bottom: 1px solid rgba(230, 228, 220, 0.85);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.9rem;
}

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

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

main {
  padding: 2.5rem 0 4rem;
}

.hero {
  max-width: 38rem;
  padding: 2.5rem 0 1rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--body);
  max-width: 34rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

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

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.65);
  border-color: var(--hairline);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.panel {
  margin-top: 2rem;
  padding: 1.5rem 1.4rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(32, 33, 30, 0.05);
}

.panel h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.panel p {
  margin: 0;
  color: var(--body);
}

.grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.card {
  display: block;
  padding: 1.2rem 1.15rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.doc {
  width: min(100%, var(--max));
}

.doc-header {
  margin-bottom: 2rem;
}

.doc-header h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

.doc section {
  margin: 0 0 1.75rem;
}

.doc h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.doc p,
.doc li {
  color: var(--body);
}

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

.doc li {
  margin: 0.35rem 0;
}

.note {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  background: var(--accent-soft);
  border-radius: 1rem;
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--body);
  text-decoration: none;
}

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

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

  .nav {
    gap: 0.5rem 0.9rem;
  }
}