*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080c14;
  --bg-alt: #0d1220;
  --surface: #111827;
  --surface-2: #1a2236;
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.14);
  --accent: #3b82f6;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --text: #e2e8f0;
  --muted: #8b99b5;
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  --radius: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-3); }

.container {
  width: min(1080px, 100% - 2.5rem);
  margin-inline: auto;
}

.gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent-2) 60%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  font-size: 0.95rem;
  font-family: inherit;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1.5px solid var(--border-2);
}
.btn--ghost:hover { color: var(--text); background: rgba(255, 255, 255, 0.1); }
.btn--sm { padding: 0.4rem 0.95rem; font-size: 0.8rem; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 12, 20, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 64px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
}
.nav__logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
}
.nav__logo:hover { color: var(--text); }
.nav__logo em { font-style: normal; color: var(--accent); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  list-style: none;
}
.nav__links a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--text); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.hero {
  position: relative;
  padding: 5.5rem 0 4rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr minmax(220px, 0.85fr);
  gap: 2.5rem;
  align-items: center;
}
.hero__logo {
  width: 100%;
  max-width: 440px;
  height: auto;
  justify-self: end;
  display: block;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  color: var(--muted);
  background: var(--surface);
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.hero p.lead {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 1.75rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.hero__meta strong { display: block; color: var(--text); font-size: 1rem; }

.page-hero {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
}
.page-hero .tag {
  color: var(--accent-3);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0.5rem 0 0.75rem;
}
.page-hero p { color: var(--muted); max-width: 40rem; }

.section { padding: 3.5rem 0; }
.section--alt { background: var(--bg-alt); }
.section h2 {
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.section h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.6rem;
}
.section p { color: var(--muted); margin-bottom: 1rem; }
.section p strong, .section li strong { color: var(--text); }

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 1.5rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; font-size: 0.92rem; }

ul.plain, ol.plain { padding-left: 1.2rem; color: var(--muted); }
ul.plain { list-style: disc; }
ol.plain { list-style: decimal; }
ul.plain li, ol.plain li { margin: 0.35rem 0; }
code, kbd {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.08rem 0.35rem;
}

.table-wrap { overflow-x: auto; margin: 1rem 0 1.5rem; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
td { color: var(--muted); }
td:first-child { color: var(--text); white-space: nowrap; }

.code-block {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0.85rem 0 1.4rem;
  overflow: hidden;
}
.code-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
  font-family: var(--mono);
}
.copy-btn {
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--muted);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  font-size: 0.72rem;
}
.copy-btn:hover, .copy-btn.copied { color: var(--text); border-color: var(--accent); }
.code-block pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
}
.code-block code {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: none;
  border: none;
  padding: 0;
  color: #d6e4ff;
  line-height: 1.55;
}

.tabs { margin: 1rem 0 1.5rem; }
.tab-bar { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.tab-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
}
.tab-btn.is-active {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.12);
}
.tab-pane { display: none; }
.tab-pane.is-active { display: block; }

.steps { counter-reset: step; display: grid; gap: 1rem; margin-top: 1rem; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent-3);
  padding-top: 0.15rem;
}
.step h4 { margin: 0 0 0.25rem; }
.step p { margin: 0; font-size: 0.92rem; }

.license-text {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.footer__brand img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  display: block;
}

@media (max-width: 760px) {
  .nav__hamburger { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(8, 12, 20, 0.97);
    border-bottom: 1px solid var(--border);
    margin: 0;
  }
  .nav__links.is-open { display: flex; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero__logo {
    order: -1;
    justify-self: center;
    max-width: 280px;
  }
  td:first-child { white-space: normal; }
}