:root {
  color-scheme: light;
  --bg: #f3efe4;
  --paper: #fffdf8;
  --paper-strong: #fff8ec;
  --ink: #172026;
  --muted: #55616d;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --line: #ddd5c6;
  --shadow: 0 20px 45px rgba(23, 32, 38, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(180, 83, 9, 0.08), transparent 24%),
    linear-gradient(180deg, var(--bg), #ebe3d2);
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

code,
pre {
  font-family: 'SFMono-Regular', 'Menlo', 'Monaco', 'Courier New', monospace;
}

.shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #0f766e, #b45309);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.brand-copy strong {
  display: block;
  font-size: 1rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a,
.button,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 400;
  text-decoration: none;
}

.nav a,
.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
}

.button {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
}

.hero,
.section,
.content-card,
.notice {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(221, 213, 198, 0.95);
  box-shadow: var(--shadow);
}

.hero {
  border-radius: var(--radius-lg);
  padding: 42px;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto -120px -120px auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  /*background: radial-gradient(circle, rgba(15, 118, 110, 0.18), transparent 65%);*/
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.09);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero h1,
.page-title {
  margin: 0;
  line-height: 0.98;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
}

.hero p,
.lead,
.section-copy,
.notice p,
.content-card p,
li,
.page-body p {
  color: var(--muted);
  line-height: 1.68;
  font-size: 1.03rem;
}

.hero p {
  width: min(720px, 100%);
  margin: 18px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-stats,
.grid,
.feature-grid {
  display: grid;
  gap: 16px;
}

.hero-stats {
  margin-top: 34px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.stat,
.card,
.feature {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper);
}

.stat {
  padding: 18px;
}

.stat strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 5px;
}

.stat span {
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  margin-top: 24px;
  border-radius: var(--radius-lg);
  padding: 32px;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.section-header h2,
.content-card h1,
.content-card h2,
.content-card h3 {
  margin: 0;
  line-height: 1.1;
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card,
.feature {
  padding: 22px;
}

.card h3,
.feature h3 {
  margin: 0 0 12px;
}

.card p,
.feature p {
  margin: 0 0 16px;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.list,
.page-body ul,
.page-body ol {
  margin: 0;
  padding-left: 20px;
}

.list li + li,
.page-body li + li {
  margin-top: 9px;
}

.content-card {
  border-radius: var(--radius-lg);
  padding: 38px;
}

.content-card + .content-card,
.section + .section {
  margin-top: 24px;
}

.page-header {
  margin-bottom: 30px;
}

.page-header p {
  margin: 16px 0 0;
  max-width: 760px;
}

.page-body h2,
.page-body h3 {
  margin-top: 28px;
}

.page-body pre {
  overflow-x: auto;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #f6f0e3;
  border: 1px solid #ddd3bf;
  color: #2d3b45;
}

.page-body blockquote {
  margin: 18px 0;
  padding: 4px 0 4px 18px;
  border-left: 4px solid rgba(15, 118, 110, 0.45);
  color: var(--muted);
}

.notice {
  margin-top: 24px;
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  padding: 8px 4px 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer a {
  color: inherit;
}

@media (max-width: 760px) {
  .hero,
  .section,
  .content-card {
    padding: 24px;
  }

  .topbar,
  .section-header,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}