:root {
  color-scheme: dark;
  --bg: #191a21;
  --bg-elevated: #22232d;
  --bg-panel: #282a36;
  --line: #44475a;
  --line-soft: rgba(248, 248, 242, 0.11);
  --text: #f8f8f2;
  --muted: #b6bdd7;
  --subtle: #8a93b8;
  --cyan: #8be9fd;
  --green: #50fa7b;
  --orange: #ffb86c;
  --pink: #ff79c6;
  --purple: #bd93f9;
  --red: #ff5555;
  --yellow: #f1fa8c;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(40, 42, 54, 0.94), rgba(25, 26, 33, 0.98) 38rem),
    var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a:hover {
  color: var(--pink);
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(25, 26, 33, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 800;
}

.brand img {
  width: 2.05rem;
  height: 2.05rem;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 1.2rem);
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.92rem;
  font-weight: 700;
}

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

.site-nav a:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(22rem, 1.2fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3.25rem, 9vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 0.96;
}

.hero-copy {
  margin: 1.35rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.03rem, 2vw, 1.24rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg-elevated);
  font-weight: 800;
}

.button.primary {
  color: #191a21;
  background: var(--cyan);
  border-color: var(--cyan);
}

.button:hover {
  color: var(--text);
  border-color: var(--pink);
}

.button.primary:hover {
  color: #191a21;
  background: var(--pink);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-visual img {
  display: block;
  width: 100%;
  border: 1px solid rgba(139, 233, 253, 0.28);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.visual-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.75rem;
  color: var(--subtle);
  font-size: 0.82rem;
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) 0;
  border-top: 1px solid var(--line-soft);
}

.section-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.section-header p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.feature {
  min-height: 12rem;
  padding: 1.1rem;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(40, 42, 54, 0.72);
}

.feature strong {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--text);
  font-size: 1.03rem;
}

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

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

.doc-link {
  display: grid;
  gap: 0.45rem;
  min-height: 9rem;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(34, 35, 45, 0.88);
}

.doc-link strong {
  color: var(--text);
}

.doc-link span {
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.gallery figure {
  margin: 0;
}

.gallery img {
  display: block;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--bg-panel);
}

.gallery figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-weight: 700;
}

.content-shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4.5rem) 0;
}

.prose {
  padding-bottom: 3rem;
}

.prose h1,
.prose h2,
.prose h3 {
  line-height: 1.16;
}

.prose h1 {
  margin-top: 0;
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.prose h2 {
  margin-top: 2.6rem;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.prose h3 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1.2rem 0;
}

.prose th,
.prose td {
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--line-soft);
}

.prose th {
  color: var(--text);
  background: var(--bg-panel);
}

.prose td {
  color: var(--muted);
}

.prose code {
  padding: 0.12rem 0.32rem;
  border-radius: 6px;
  color: var(--yellow);
  background: rgba(68, 71, 90, 0.62);
}

.prose pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: #111218;
}

.prose pre code {
  padding: 0;
  background: transparent;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line-soft);
  color: var(--subtle);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .feature-grid,
  .docs-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .section-header {
    display: block;
  }

  .section-header p {
    margin-top: 0.8rem;
  }
}

@media (max-width: 560px) {
  .actions,
  .site-footer,
  .visual-caption {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}