:root {
  --bg0: #070a12;
  --bg1: #0d1324;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.1);
  --text: #e8ecf8;
  --muted: #9aa3b8;
  --accent: #5b8cff;
  --accent2: #7c5cff;
  --glow: rgba(91, 140, 255, 0.35);
  --radius: 18px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 600px at 80% -10%, var(--glow), transparent 55%),
    radial-gradient(900px 500px at 10% 20%, rgba(124, 92, 255, 0.2), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 45%, #0a0e18);
}

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

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 22px;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 10, 18, 0.72);
  border-bottom: 1px solid var(--card-border);
}

header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  box-shadow: 0 8px 28px var(--glow);
}

nav a {
  color: var(--muted);
  margin-left: 18px;
  font-size: 0.92rem;
  font-weight: 500;
}
nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: 72px 0 48px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 4.5vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  max-width: 58ch;
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 12px 40px var(--glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-ghost {
  background: var(--card);
  border-color: var(--card-border);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.22);
  text-decoration: none;
}

section {
  padding: 56px 0;
}

section h2 {
  margin: 0 0 10px;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.section-desc {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(8px);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.95rem;
}

.card .icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.install-box {
  border-radius: var(--radius);
  border: 1px dashed rgba(91, 140, 255, 0.45);
  background: rgba(91, 140, 255, 0.08);
  padding: 24px;
}

.install-box ol {
  margin: 12px 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.7;
}

code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.88em;
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 8px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
}

footer {
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--card-border);
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(124, 92, 255, 0.2);
  color: #cfc4ff;
  margin-bottom: 14px;
}