:root {
  --bg: #f4efe7;
  --bg-accent: #e6f0ea;
  --card: rgba(255, 255, 255, 0.88);
  --text: #17211f;
  --muted: #5b6764;
  --line: rgba(23, 33, 31, 0.12);
  --button: #17352d;
  --button-hover: #234b40;
  --button-secondary: #ffffff;
  --shadow: 0 20px 60px rgba(18, 37, 32, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.85), transparent 35%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
}

a {
  color: inherit;
}

.landing-page {
  min-height: 100vh;
}

.landing-shell,
.document-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.hero-card,
.document-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  min-height: calc(100vh - 88px);
  display: grid;
  align-content: center;
  gap: 20px;
  padding: 48px;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  line-height: 0.95;
}

.hero-copy,
.intro-text,
p,
li {
  font-size: 1rem;
  line-height: 1.75;
}

.hero-copy,
.last-update,
.link-block {
  color: var(--muted);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  background: var(--button);
  color: #fff;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cta-button:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
}

.cta-button.secondary {
  background: var(--button-secondary);
  color: var(--text);
  border: 1px solid var(--line);
}

.link-block {
  display: grid;
  gap: 8px;
}

code {
  width: fit-content;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(23, 53, 45, 0.08);
  font-family: Consolas, "Courier New", monospace;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

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

.top-nav a:hover {
  color: var(--text);
}

.document-card {
  padding: 36px 32px 42px;
}

.document-card h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 10px;
}

.document-card h2 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.document-card ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

@media (max-width: 640px) {
  .hero-card {
    min-height: auto;
    padding: 28px 22px;
  }

  .document-card {
    padding: 28px 20px 34px;
  }
}