/* lsh.dev. Tokens follow the LogiShell kit (amber brand, cyber accent, Geist and JetBrains Mono),
 * copied as data so this page has no shared dependency. Dark by default, light on request. */

:root {
  --bg: #111318;
  --bg-1: #171a21;
  --surface: rgb(23 26 33 / 0.72);
  --border: rgb(255 255 255 / 0.08);
  --border-strong: rgb(255 255 255 / 0.16);
  --ink: #f2efe6;
  --ink-1: #c9c5ba;
  --ink-2: #8f8b82;
  --amber: #f2bb25;
  --amber-ink: #442600;
  --amber-glow: rgb(242 187 37 / 0.18);
  --cyber: #2fc6d4;
  --pos: #5fc98a;
  --neg: #f0645a;
  --font-sans: 'Geist', ui-sans-serif, 'SF Pro Text', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --r-2: 10px;
  --r-3: 14px;
  --r-4: 20px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --bg: #f7f5ef;
    --bg-1: #efece4;
    --surface: rgb(255 255 255 / 0.78);
    --border: rgb(20 18 10 / 0.09);
    --border-strong: rgb(20 18 10 / 0.18);
    --ink: #1d1b16;
    --ink-1: #3e3b33;
    --ink-2: #6f6b61;
    --amber-glow: rgb(242 187 37 / 0.28);
    --cyber: #0f97a5;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
code { font-family: var(--font-mono); font-size: 0.9em; color: var(--amber); }

#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; z-index: 0; }
.veil {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(1200px 600px at 15% 30%, color-mix(in srgb, var(--bg) 70%, transparent), transparent 70%),
    linear-gradient(to bottom, transparent 70%, var(--bg));
}

.top, main, footer { position: relative; z-index: 2; }

.top {
  position: sticky; top: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(16px, 4vw, 48px);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 20px/1 var(--font-mono); letter-spacing: -0.02em; }
.top nav { display: flex; align-items: center; gap: clamp(10px, 2.4vw, 28px); font: 500 14px/1 var(--font-mono); }
.top nav a { text-decoration: none; color: var(--ink-1); transition: color 0.2s; }
.top nav a:hover { color: var(--amber); }
.pill { padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: 999px; }

main { padding: 0 clamp(16px, 5vw, 72px); }

.hero {
  min-height: calc(100vh - 64px);
  display: flex; flex-direction: column; justify-content: center;
  max-width: 720px;
  padding: 48px 0 96px;
}
.kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; font: 500 13px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

h1 {
  margin: 0;
  font: 700 clamp(48px, 9vw, 112px)/0.95 var(--font-sans);
  letter-spacing: -0.045em;
}
h1 em { font-style: normal; color: var(--amber); text-shadow: 0 0 48px var(--amber-glow); }
.lede { max-width: 560px; margin: 28px 0 36px; font-size: clamp(17px, 2vw, 20px); color: var(--ink-1); }
.lede code { color: var(--ink); }

.install { max-width: 520px; }
.tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.tabs button {
  appearance: none; border: 0; background: none; cursor: pointer;
  padding: 6px 12px; border-radius: 8px;
  font: 500 13px/1 var(--font-mono); color: var(--ink-2);
}
.tabs button[aria-selected='true'] { color: var(--ink); background: var(--surface); box-shadow: inset 0 0 0 1px var(--border-strong); }
.cmd {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 16px 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 0 0 6px var(--amber-glow), 0 20px 60px rgb(0 0 0 / 0.25);
}
.cmd .prompt { font-family: var(--font-mono); color: var(--ink-2); }
.cmd code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; font-size: 15px; color: var(--ink); }
.copy {
  appearance: none; cursor: pointer;
  padding: 8px 14px; border: 0; border-radius: 9px;
  background: var(--amber); color: var(--amber-ink);
  font: 600 13px/1 var(--font-mono);
  transition: transform 0.15s var(--ease);
}
.copy:active { transform: scale(0.96); }

.scroll-hint { margin-top: 56px; font: 500 12px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.scroll-hint span { display: inline-block; animation: nudge 1.8s var(--ease) infinite; }
@keyframes nudge { 50% { transform: translateY(5px); } }

.panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px);
  align-items: center;
  min-height: 90vh;
  padding: 64px 0;
}
.panel.flip .copyblock { order: 2; }
.num { margin: 0 0 14px; font: 500 13px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyber); }
h2 { margin: 0 0 18px; font: 700 clamp(30px, 4.4vw, 52px)/1.04 var(--font-sans); letter-spacing: -0.035em; }
.copyblock p { color: var(--ink-1); font-size: 17px; max-width: 520px; }
.facts { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 10px; max-width: 520px; }
.facts li { padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-2); background: var(--surface); color: var(--ink-2); font-size: 14px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.facts code { display: inline-block; margin-right: 6px; }

.term {
  border: 1px solid var(--border-strong);
  border-radius: var(--r-4);
  background: color-mix(in srgb, #0b0d11 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px rgb(0 0 0 / 0.35), inset 0 1px 0 rgb(255 255 255 / 0.05);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.6s var(--ease);
  color: #d9d5ca;
}
.panel.flip .term { transform: perspective(1200px) rotateY(6deg) rotateX(2deg); }
.term:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgb(255 255 255 / 0.07); }
.bar i { width: 11px; height: 11px; border-radius: 50%; background: rgb(255 255 255 / 0.14); }
.bar i:first-child { background: var(--amber); }
.bar span { margin-left: 10px; font: 400 12px/1 var(--font-mono); color: #7d796f; }
.term pre { margin: 0; padding: 22px 24px 26px; min-height: 300px; font: 400 13.5px/1.7 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.term b { color: #f2efe6; font-weight: 600; }
.term .u { color: var(--amber); }
.term .a { color: #2fc6d4; }
.term .g { color: #5fc98a; }
.term .r { color: #f0645a; }
.term .c { color: #7d796f; }
.term .caret { display: inline-block; width: 8px; height: 1.1em; vertical-align: -0.18em; background: var(--amber); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.links { padding: 80px 0 120px; max-width: 880px; }
.links > p { color: var(--ink-2); margin: 0 0 28px; }
.links ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.links li a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 18px; text-decoration: none;
  border: 1px solid var(--border); border-radius: var(--r-3);
  background: var(--surface);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font: 500 15px/1.2 var(--font-mono);
  transition: border-color 0.2s, transform 0.2s var(--ease);
}
.links li a:hover { border-color: var(--amber); transform: translateY(-2px); }
.links li span { display: none; }
.links li a small { font: 400 13px/1.2 var(--font-sans); color: var(--ink-2); }

footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding: 28px clamp(16px, 5vw, 72px) 40px;
  border-top: 1px solid var(--border);
  font-size: 14px; color: var(--ink-1);
  background: var(--bg);
}
footer img { vertical-align: -3px; margin-right: 6px; }
footer a { color: var(--amber); text-decoration: none; }
.muted { color: var(--ink-2); font-family: var(--font-mono); font-size: 13px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .panel { grid-template-columns: 1fr; min-height: auto; padding: 56px 0; }
  .panel.flip .copyblock { order: 0; }
  .term, .panel.flip .term { transform: none; }
  .top nav a:not(.pill) { display: none; }
  .hero { min-height: calc(100svh - 64px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

.faq { padding: 64px 0 0; max-width: 880px; }
.faq details { border: 1px solid var(--border); border-radius: var(--r-3); background: var(--surface); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); margin-bottom: 10px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 20px; font: 600 17px/1.3 var(--font-sans); display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--font-mono); color: var(--amber); }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--ink-1); }
section[id] { scroll-margin-top: 84px; }