:root {
  --bg: #0f1115;
  --surface: #16181d;
  --surface-2: #1c1f26;
  --border: #2a2e37;
  --text: #e6e8ec;
  --muted: #8b919c;
  --accent: #3ec5f0;
  --accent-soft: rgba(62, 197, 240, 0.12);
  --warn: #f0b43e;
  --radius: 12px;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "DejaVu Sans Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", "Noto Sans", Ubuntu, Cantarell, sans-serif;
  color-scheme: dark;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

code, pre { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.05em 0.35em;
  overflow-wrap: anywhere;
}

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--bg); padding: 8px 12px; border-radius: 6px; z-index: 10;
}
.skip:focus { left: 8px; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 5;
  background: rgba(15, 17, 21, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.22em; font-size: 0.95rem; }
.top nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.top nav a { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 6px; font-size: 0.93rem; }
.top nav a:hover { color: var(--text); background: var(--surface); }
@media (max-width: 520px) {
  .top nav li:nth-child(3) { display: none; }
  .top nav a { padding: 8px 7px; }
}

/* Hero */
.hero { padding: 64px 0 24px; text-align: center; }
.hero-inner { display: flex; flex-direction: column; align-items: center; }
.hero-logo { width: 88px; height: 88px; margin-bottom: 20px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px;
  padding: 4px 12px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--muted); font-size: 0.85rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
h1 { font-size: clamp(2rem, 1.2rem + 3.4vw, 3.4rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; max-width: 22ch; text-wrap: balance; }
.lede { color: var(--muted); font-size: clamp(1.02rem, 0.95rem + 0.4vw, 1.2rem); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 48px; }
.button {
  display: inline-block; padding: 11px 20px; border-radius: 8px; text-decoration: none; font-weight: 600;
  color: var(--text); background: var(--surface); border: 1px solid var(--border);
}
.button:hover { border-color: var(--muted); }
.button.primary { background: var(--accent); color: #06232e; border-color: var(--accent); }
.button.primary:hover { background: #6fd8f7; border-color: #6fd8f7; }

.shot { margin: 0; }
.shot img { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.hero-shot img { box-shadow: 0 30px 80px -30px rgba(62, 197, 240, 0.25), 0 20px 50px rgba(0, 0, 0, 0.5); }
.shot figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 10px; }

/* Sections */
section { padding: 56px 0; scroll-margin-top: 56px; }
section + section { border-top: 1px solid var(--border); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); letter-spacing: -0.01em; margin: 0 0 28px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
p { margin: 0 0 14px; }

.grid { display: grid; gap: 16px; list-style: none; margin: 0; padding: 0; }
.features { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.features li, .install article {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
}
.features p { color: var(--muted); margin: 0; }

.gallery { display: grid; gap: 24px; margin-top: 40px; grid-template-columns: 1fr 1fr; }
.gallery .shot:first-child { grid-column: 1 / -1; }
@media (max-width: 640px) { .gallery { grid-template-columns: 1fr; } }

.note {
  background: var(--accent-soft); border: 1px solid rgba(62, 197, 240, 0.35);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 24px;
}
.install { grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); }
.install article { min-width: 0; }
.install p { color: var(--muted); font-size: 0.93rem; }
pre {
  margin: 0; padding: 14px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  overflow-x: auto; line-height: 1.55; color: var(--text);
}
.small { color: var(--muted); font-size: 0.93rem; margin-top: 20px; }

.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 32px; }
.two p { color: var(--muted); }
.two p strong { color: var(--text); }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { position: relative; padding: 0 0 12px 28px; color: var(--muted); }
.checks li strong { color: var(--text); }
.checks li::before {
  content: ""; position: absolute; left: 4px; top: 0.55em; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
}
.checks.warn li::before { background: var(--warn); }

footer { border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--muted); font-size: 0.93rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.footer-inner p { display: flex; align-items: center; gap: 10px; margin: 0; }
footer ul { display: flex; flex-wrap: wrap; gap: 18px; list-style: none; margin: 0; padding: 0; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

@media (max-width: 520px) {
  .features li, .install article { padding: 16px; }
  pre { padding: 12px; font-size: 0.8rem; }
  section { padding: 44px 0; }
  .hero { padding-top: 44px; }
}