:root {
  --bg: #f5f2ea;
  --bg-alt: #ebe5d8;
  --surface: rgba(255, 251, 244, 0.84);
  --surface-strong: #fcf8f0;
  --surface-soft: #eef2ea;
  --text: #1f272c;
  --muted: #5c696f;
  --border: rgba(31, 39, 44, 0.12);
  --border-strong: rgba(31, 39, 44, 0.2);
  --accent: #2a6c63;
  --accent-strong: #1f544d;
  --shadow: 0 16px 42px rgba(33, 41, 36, 0.07);
  --shadow-soft: 0 8px 22px rgba(33, 41, 36, 0.05);
  --wrap: min(1120px, calc(100vw - 2rem));
  --radius: 22px;
  --radius-sm: 16px;
  --font-sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
  background:
    radial-gradient(circle at top right, rgba(42, 108, 99, 0.1), transparent 26%),
    radial-gradient(circle at left 18%, rgba(188, 159, 95, 0.1), transparent 22%),
    linear-gradient(180deg, #faf6ee 0%, var(--bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

code,
pre {
  font-family: var(--font-mono);
}

.wrap {
  width: var(--wrap);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 242, 234, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(31, 39, 44, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 2rem;
  height: 2rem;
  display: block;
  flex: 0 0 auto;
}

.site-nav,
.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.site-nav {
  color: var(--muted);
  font-size: 0.95rem;
}

.header-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease, color 140ms ease;
}

.header-link:hover,
.button:hover,
.card:hover,
.mini-card:hover,
.code-card:hover,
.doc-card:hover,
.note-panel:hover,
.note-entry:hover {
  transform: translateY(-1px);
}

.hero {
  padding: 4.2rem 0 2.8rem;
}

.hero-grid,
.feature-grid,
.docs-grid,
.split {
  display: grid;
  gap: 1rem;
}

.hero-copy,
.hero-panel {
  min-width: 0;
}

.eyebrow,
.code-label,
.note-kicker,
.note-meta {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.eyebrow,
.code-label,
.note-kicker {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.note-meta {
  margin-top: -0.2rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.02em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1rem;
  font-size: clamp(2.7rem, 6vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h2 {
  letter-spacing: -0.035em;
}

.lead {
  max-width: 44rem;
  color: var(--muted);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
}

.lead-secondary {
  margin-top: 0.85rem;
}

.hero-actions {
  margin-top: 1.55rem;
}

.button {
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #f7f3ea;
  box-shadow: 0 12px 26px rgba(42, 108, 99, 0.18);
}

.button.primary:hover {
  background: #245d56;
}

.button.secondary,
.header-link {
  background: rgba(255, 251, 244, 0.66);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.mini-card,
.card,
.code-card,
.doc-card,
.note-panel,
.note-entry {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.mini-card h2,
.card h3,
.note-panel h3,
.note-entry h3 {
  margin-bottom: 0.55rem;
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
}

.plain-list li + li {
  margin-top: 0.45rem;
}

.code-card {
  padding: 1rem;
  background: #f0ebe2;
}

.code-card pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fbf8f2;
  font-size: 0.9rem;
  line-height: 1.55;
}

.section {
  padding: 3.9rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(235, 229, 216, 0.72) 0%, rgba(245, 242, 234, 0) 100%);
}

.section-heading {
  max-width: 45rem;
  margin-bottom: 1.8rem;
}

.section-heading h2 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.95rem, 4vw, 3.15rem);
}

.section-heading p,
.section-copy,
.card p,
.mini-card li,
.doc-card span,
.note-panel p,
.note-entry p {
  color: var(--muted);
}

.feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: linear-gradient(180deg, rgba(255, 251, 244, 0.95) 0%, rgba(249, 245, 236, 0.82) 100%);
  box-shadow: var(--shadow);
}

.split {
  align-items: start;
}

.stack,
.notes-list {
  display: grid;
  gap: 1rem;
}

.note-panel {
  background: linear-gradient(180deg, rgba(238, 242, 234, 0.92) 0%, rgba(255, 251, 244, 0.92) 100%);
}

.note-panel-soft {
  background: rgba(255, 251, 244, 0.74);
}

.docs-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.doc-card {
  display: block;
}

.doc-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.note-entry {
  background: rgba(255, 251, 244, 0.92);
}

.site-footer {
  padding: 0 0 2.5rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.15rem;
  border-top: 1px solid rgba(31, 39, 44, 0.1);
  color: var(--muted);
  font-size: 0.94rem;
}

@media (min-width: 920px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
    gap: 1.6rem;
    align-items: start;
  }

  .split {
    grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
    gap: 1.6rem;
  }
}

@media (max-width: 899px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 0.8rem 0 1rem;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }
}

@media (max-width: 759px) {
  :root {
    --wrap: calc(100vw - 1.25rem);
  }

  .hero {
    padding-top: 2.8rem;
  }

  h1 {
    max-width: 100%;
  }

  .button,
  .header-link {
    width: 100%;
  }

  .hero-actions,
  .footer-links {
    flex-direction: column;
  }
}