:root {
  color-scheme: light;
  --site-page-background: #cfcfb9;
  --site-text-color: #1f1f1c;
  --site-heading-color: #111111;
  --site-link-color: #4a4a44;
  --site-button-background: #111111;
  --site-button-text-color: #f7f7f5;
  --site-input-background: #ffffff;
  --site-input-border-color: #cfcfc8;
  --site-input-text-color: #1f1f1c;
  --site-panel-background: #ecece8;
}

body {
  background: var(--site-page-background);
  color: var(--site-text-color);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--site-heading-color);
}

a {
  color: var(--site-link-color);
}

button {
  border: 0;
  border-radius: 999px;
  background: var(--site-button-background);
  color: var(--site-button-text-color);
  padding: 0.75rem 1.1rem;
}

input,
textarea,
select {
  border: 1px solid var(--site-input-border-color);
  border-radius: 12px;
  background: var(--site-input-background);
  color: var(--site-input-text-color);
  padding: 0.8rem 0.9rem;
}

.theme-panel {
  background: var(--site-panel-background);
  border-radius: 18px;
  padding: 1rem 1.1rem;
}

:root {
  --bg: #f4efe5;
  --ink: #101010;
  --muted: #5f5a52;
  --line: rgba(16, 16, 16, 0.14);
  --card: #fff8eb;
  --accent: #ff5f2e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.site-shell {
  min-height: 100vh;
}

.section-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section-shell-header {
  padding: 28px 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 235, 0.7);
  backdrop-filter: blur(12px);
}

.site-nav strong {
  font-size: 24px;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.site-nav div {
  display: flex;
  gap: 8px;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 999px;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover {
  background: var(--ink);
  color: var(--bg);
}

.section-shell-main {
  padding: 72px 0;
}

.content-block {
  max-width: 920px;
  margin-bottom: 56px;
}

.content-block p:first-child {
  margin: 0 0 28px;
  font-size: clamp(48px, 9vw, 118px);
  line-height: 0.92;
  letter-spacing: -0.075em;
  font-weight: 900;
}

.content-block p {
  font-size: 20px;
  line-height: 1.5;
  color: var(--muted);
}

.content-block ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
}

.content-block li {
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
  background: var(--accent);
  color: var(--ink);
}

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

.library-card {
  min-height: 260px;
  padding: 28px;
  border-radius: 32px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(16, 16, 16, 0.08);
}

.library-card h3 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.library-card p {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  color: var(--muted);
}

.section-shell-footer {
  padding: 36px 0 56px;
  border-top: 1px solid var(--line);
}

.footer-copy {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

footer .section-shell-main {
  display: none;
}

@media (max-width: 800px) {
  .site-nav,
  .site-nav div {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    border-radius: 28px;
  }

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

  .section-shell-main {
    padding: 48px 0;
  }
}
.card-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.library-card { border: 1px solid rgba(0,0,0,0.12); border-radius: 16px; padding: 1rem; background: rgba(255,255,255,0.72); }