:root {
  --bg: #f4efe6;
  --paper: rgba(255, 250, 242, 0.84);
  --ink: #1f1a17;
  --muted: #6d625a;
  --line: rgba(31, 26, 23, 0.12);
  --brand: #b96a2c;
  --brand-deep: #8f4d18;
  --accent: #23443c;
  --shadow: 0 24px 80px rgba(31, 26, 23, 0.12);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Serif SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(185, 106, 44, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(35, 68, 60, 0.16), transparent 28%),
    linear-gradient(180deg, #f8f3eb 0%, var(--bg) 46%, #efe7dc 100%);
  min-height: 100vh;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  padding: 24px 0 8px;
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, #d99753 100%);
  color: #fff8ef;
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 16px 40px rgba(185, 106, 44, 0.3);
}

.brand-copy {
  display: inline-flex;
  flex-direction: column;
  margin-left: 12px;
  vertical-align: middle;
}

.brand-copy strong {
  font-size: 18px;
  letter-spacing: 0.06em;
}

.brand-copy span,
.site-nav a,
.meta,
.lede,
.eyebrow,
.feature p,
.text-block p,
.inline-links a,
.footer-note {
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  font-size: 14px;
}

.hero {
  padding: 36px 0 48px;
}

.hero-frame,
.content-frame {
  background: var(--paper);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: var(--shadow);
}

.hero-frame {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 32px;
  border-radius: 28px;
  overflow: hidden;
}

.hero-copy {
  padding: 56px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.08;
}

h1 {
  font-size: clamp(42px, 8vw, 76px);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(28px, 5vw, 42px);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.lede {
  max-width: 560px;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.55);
}

.hero-panel {
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(35, 68, 60, 0.08), rgba(35, 68, 60, 0)),
    #f8f4ed;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid rgba(31, 26, 23, 0.08);
}

.note-card,
.feature {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.note-card {
  padding: 22px;
}

.note-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
}

.note-card p,
.feature p,
.content-body p,
.content-body li {
  font-size: 15px;
  line-height: 1.8;
}

.section {
  padding: 22px 0 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  padding: 24px;
}

.feature strong {
  display: block;
  margin-bottom: 10px;
  font-size: 16px;
}

.content-frame {
  border-radius: 28px;
  padding: 42px;
}

.content-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-end;
  margin-bottom: 22px;
}

.content-body {
  display: grid;
  gap: 18px;
}

.content-body ul {
  margin: 0;
  padding-left: 20px;
}

.text-block {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.text-block:first-child {
  padding-top: 0;
  border-top: 0;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 14px;
  transition: transform 160ms ease, background 160ms ease;
}

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

.button.primary {
  background: var(--brand);
  color: #fff8ef;
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.5);
}

.site-footer {
  padding: 0 0 48px;
}

.footer-note {
  font-size: 13px;
  text-align: center;
}

@media (max-width: 860px) {
  .site-header .shell,
  .content-head,
  .hero-frame {
    grid-template-columns: 1fr;
    display: grid;
  }

  .site-header .shell {
    gap: 14px;
  }

  .hero-copy,
  .hero-panel,
  .content-frame {
    padding: 28px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}
