/* ---------- base ---------- */
:root {
  --bg: #0a0d1a;
  --bg-2: #0f1326;
  --ink: #e8e6f0;
  --ink-dim: #9a96b3;
  --ink-muted: #6c6886;
  --accent: #c9b8ff;
  --accent-2: #8b7ed8;
  --line: rgba(201, 184, 255, 0.12);
  --card: rgba(255, 255, 255, 0.03);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(139, 126, 216, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(201, 184, 255, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
  position: relative;
}

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

code {
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: rgba(201, 184, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* ---------- starfield ---------- */
.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 28% 64%, rgba(255,255,255,0.7) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 47% 22%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 63% 78%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 78% 34%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 91% 12%, rgba(255,255,255,0.6) 50%, transparent 100%),
    radial-gradient(1px 1px at 8% 88%, rgba(255,255,255,0.5) 50%, transparent 100%),
    radial-gradient(1px 1px at 36% 92%, #fff 50%, transparent 100%),
    radial-gradient(1px 1px at 70% 8%, rgba(255,255,255,0.4) 50%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 70%, #fff 50%, transparent 100%);
  opacity: 0.6;
  z-index: 0;
}

/* ---------- layout ---------- */
.nav, main, footer { position: relative; z-index: 1; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand img { border-radius: 6px; }

.nav nav a {
  color: var(--ink-dim);
  margin-left: 28px;
  font-size: 0.92rem;
}
.nav nav a:hover { color: var(--ink); }

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  text-align: center;
}

.moon {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -45%);
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #f5f1ff 0%, #d8ccff 35%, #8b7ed8 75%, #5a4d9c 100%);
  filter: blur(0.5px);
  opacity: 0.18;
  z-index: -1;
}
.moon-shadow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 50%, transparent 40%, var(--bg) 70%);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 24px;
  background: linear-gradient(180deg, #fff 0%, #c4bce0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.18rem;
  color: var(--ink-dim);
  max-width: 560px;
  margin: 0 auto 40px;
}

.cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
}

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 500;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  text-align: left;
}
.btn:hover { transform: translateY(-1px); }

.btn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #1a1530;
  box-shadow: 0 8px 32px rgba(139, 126, 216, 0.35);
}
.btn.primary:hover { color: #1a1530; }
.btn-label { font-weight: 600; font-size: 1.02rem; }
.btn-sub { font-size: 0.78rem; opacity: 0.7; font-weight: 400; margin-top: 2px; }

.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  justify-content: center;
  align-items: center;
  flex-direction: row;
}
.btn.ghost:hover { border-color: var(--accent); color: var(--ink); }

/* ---------- menu bar mockup ---------- */
.menubar-mock {
  max-width: 720px;
  margin: 0 auto;
}

.menubar-bar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 18px;
  height: 28px;
  background: rgba(20, 22, 40, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.menubar-apple {
  width: 12px;
  height: 14px;
  background: rgba(255,255,255,0.9);
  -webkit-mask: radial-gradient(circle at 70% 12%, transparent 22%, #000 24%) ;
          mask: radial-gradient(circle at 70% 12%, transparent 22%, #000 24%);
  clip-path: path("M 6 0 C 6 2 5 3 4 3 C 5 4 6 5 6 7 C 6 9 5 11 4 12 C 3 13 2 13 1 12 C 0 11 0 9 0 7 C 0 5 1 4 2 3 C 1 3 0 2 0 0 Z");
  display: inline-block;
}

.menubar-app { font-weight: 600; }
.menubar-spacer { flex: 1; }

.menubar-item {
  color: rgba(255,255,255,0.78);
}
.menubar-item:nth-child(4) {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.menubar-caption {
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.85rem;
  margin-top: 16px;
}

/* ---------- install ---------- */
.install {
  max-width: 680px;
  margin: 0 auto 100px;
}

h2 {
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
}

.install ol {
  padding-left: 1.4em;
  color: var(--ink-dim);
}
.install li { margin-bottom: 18px; }
.install li strong { color: var(--ink); font-weight: 600; }
.install .aside {
  display: block;
  margin-top: 6px;
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-style: italic;
}

.moon-inline {
  display: inline-block;
  background: rgba(201, 184, 255, 0.12);
  border-radius: 4px;
  padding: 0 6px;
  color: var(--accent);
}

details {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}
details summary {
  cursor: pointer;
  color: var(--ink-dim);
  font-size: 0.92rem;
}
details summary:hover { color: var(--ink); }
details[open] summary { margin-bottom: 12px; }

pre {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  overflow-x: auto;
  margin: 0;
}
pre code {
  background: none;
  padding: 0;
  color: var(--ink);
  font-size: 0.88rem;
}
.prompt { color: var(--accent-2); user-select: none; margin-right: 8px; }

.muted { color: var(--ink-muted); font-size: 0.9rem; }

/* ---------- footer ---------- */
footer {
  text-align: center;
  padding: 60px 32px 80px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
footer p { margin: 4px 0; color: var(--ink-dim); font-size: 0.9rem; }

/* ---------- small screens ---------- */
@media (max-width: 640px) {
  .nav { padding: 20px; }
  .nav nav a { margin-left: 16px; font-size: 0.85rem; }
  main { padding: 0 20px; }
  .hero { padding: 60px 0 60px; }
  .moon { width: 220px; height: 220px; transform: translate(-50%, -35%); }
  .menubar-bar { gap: 12px; padding: 0 12px; font-size: 0.72rem; }
  .menubar-item:nth-child(6) { display: none; } /* hide date on mobile */
}