:root {
  --bg: #fbfbfa;
  --bg-alt: #f1f2f0;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --line: rgba(0, 0, 0, 0.09);
  --accent: #217a60;
  --accent-fill: #2b8a6e;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 18px 48px rgba(0, 0, 0, 0.12);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --bg-alt: #1e1e21;
    --card: #222225;
    --text: #f2f2f2;
    --muted: #a1a1a6;
    --line: rgba(255, 255, 255, 0.1);
    --accent: #5fd0ad;
    --accent-fill: #4fc29f;
    --on-accent: #0c1f19;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 48px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font: 0.88em ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--bg-alt);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px max(16px, calc((100% - 1120px) / 2));
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 600;
}

.brand:hover {
  text-decoration: none;
}

.nav nav {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.nav nav a {
  color: var(--muted);
}

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

/* Hero */
main > section {
  padding: 0 16px;
}

.hero {
  text-align: center;
  padding-top: 72px !important;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-icon {
  margin: 0 auto 20px;
  width: 112px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.04;
  font-weight: 700;
}

.lede {
  max-width: 640px;
  margin: 20px auto 0;
  font-size: clamp(18px, 2.2vw, 21px);
  color: var(--muted);
}

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

.button {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 980px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--card);
}

.button:hover {
  text-decoration: none;
  filter: brightness(0.97);
}

.button.primary {
  background: var(--accent-fill);
  color: var(--on-accent);
  border-color: transparent;
}

.fine {
  font-size: 14px;
  color: var(--muted);
}

.hero .fine {
  margin-top: 14px;
}

.window {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--card);
}

.hero .window {
  margin-top: 48px;
}

/* Principles */
.principles {
  max-width: 1120px;
  margin: 96px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.principles h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.principles p {
  margin: 0;
  color: var(--muted);
}

/* Features */
.features {
  max-width: 1120px;
  margin: 120px auto 0;
  display: flex;
  flex-direction: column;
  gap: 112px;
}

.feature {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
}

.feature:nth-child(even) .text {
  order: 2;
}

.kicker {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.feature h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.12;
}

.feature .text p:not(.kicker) {
  color: var(--muted);
  margin: 16px 0;
}

/* Cards */
.grid {
  max-width: 1120px;
  margin: 112px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}

.card h3 {
  font-size: 19px;
}

.card p {
  color: var(--muted);
  margin: 8px 0 12px;
}

/* Install and docs */
.install,
.docs {
  max-width: 1120px;
  margin: 112px auto 0;
}

.install h2,
.docs h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 20px;
}

.install ol {
  margin: 0 0 16px;
  padding-left: 1.3em;
}

.install li {
  margin: 6px 0;
}

.doc-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.doc-list a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
}

.doc-list a:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.doc-list strong {
  color: var(--text);
  font-weight: 600;
}

.doc-list span {
  color: var(--muted);
  font-size: 15px;
}

footer {
  margin-top: 112px;
  padding: 28px 16px 40px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .principles,
  .grid,
  .doc-list {
    grid-template-columns: 1fr;
  }

  .feature {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature:nth-child(even) .text {
    order: 0;
  }

  .features {
    gap: 72px;
  }
}

@media (max-width: 520px) {
  .nav nav {
    gap: 14px;
    font-size: 14px;
  }

  .nav nav a[href$="#features"] {
    display: none;
  }
}

/* Doc pages */
.doc-layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 16px 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 56px;
}

.doc-nav {
  position: sticky;
  top: 76px;
  align-self: start;
  font-size: 15px;
}

.doc-nav-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.doc-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.doc-nav a {
  display: block;
  padding: 5px 10px;
  margin-left: -10px;
  border-radius: 7px;
  color: var(--muted);
}

.doc-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.doc-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  background: var(--bg-alt);
}

.doc {
  max-width: 760px;
}

.doc h1 {
  font-size: clamp(34px, 5vw, 46px);
  line-height: 1.1;
  margin-bottom: 20px;
}

.doc h2 {
  font-size: 28px;
  margin: 48px 0 12px;
}

.doc h3 {
  font-size: 21px;
  margin: 32px 0 8px;
}

.doc h2,
.doc h3 {
  scroll-margin-top: 76px;
}

.doc .anchor {
  color: var(--muted);
  opacity: 0;
  font-weight: 400;
}

.doc h2:hover .anchor,
.doc h3:hover .anchor,
.doc .anchor:focus {
  opacity: 1;
  text-decoration: none;
}

.doc p,
.doc li {
  color: var(--text);
}

.doc ul,
.doc ol {
  padding-left: 1.3em;
}

.doc li {
  margin: 4px 0;
}

.doc img {
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin: 24px 0;
}

.doc pre {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}

.doc pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.doc table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 8px 14px 8px 0;
  border-bottom: 1px solid var(--line);
}

.doc th {
  font-weight: 600;
}

.doc blockquote {
  margin: 20px 0;
  padding: 2px 16px;
  border-left: 3px solid var(--accent-fill);
  color: var(--muted);
}

.doc-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 64px;
}

.doc-pager a {
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  font-weight: 600;
}

.doc-pager a:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.doc-pager span {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
}

.doc-pager .next {
  text-align: right;
  grid-column: 2;
}

.doc-source {
  font-size: 14px;
  margin-top: 24px;
}

@media (max-width: 860px) {
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 24px;
  }

  .doc-nav {
    position: static;
  }

  .doc-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
  }

  .doc-nav a {
    margin-left: 0;
    padding: 4px 10px;
    background: var(--bg-alt);
  }
}