:root {
  --bg: #f6f1ea;
  --surface: #fffaf3;
  --ink: #1d1916;
  --muted: #6b625a;
  --line: #e3d9cc;
  --accent: #c8642a;
  --accent-soft: #f6dcc6;
  --bot: #2f6f6a;
  --human: #9a3d6b;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14110f;
    --surface: #1d1916;
    --ink: #f1e9df;
    --muted: #a69b8f;
    --line: #322b25;
    --accent: #f2a65a;
    --accent-soft: #3a2a1d;
    --bot: #7cc4bb;
    --human: #e49cc0;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
main { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 20px; flex: 1; }

.top, .foot {
  width: 100%; max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px;
}
.brand { font: 600 1.15rem var(--serif); text-decoration: none; letter-spacing: -0.01em; }
.brand-mark { color: var(--accent); }

.btn {
  display: inline-block; text-decoration: none;
  background: var(--ink); color: var(--bg);
  font-weight: 600; font-size: 0.95rem;
  padding: 11px 20px; border-radius: 999px;
  border: 1px solid var(--ink);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

.wip {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 0.8rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); background: var(--accent-soft);
  padding: 5px 12px; border-radius: 999px; margin: 0 0 22px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .3; } }

.hero { padding: 56px 0 40px; }
h1 {
  font: 600 clamp(2.4rem, 7vw, 4.4rem)/1.05 var(--serif);
  letter-spacing: -0.03em; margin: 0 0 22px; max-width: 13ch;
}
h1 em { font-style: italic; color: var(--accent); font-weight: 400; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 0 0 30px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.cta-note { color: var(--muted); font-size: 0.9rem; }

.room {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
  margin: 24px 0 72px; overflow: hidden;
  box-shadow: 0 24px 60px -32px rgba(0,0,0,.35);
}
.room-head {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  font: 500 0.85rem var(--mono); padding: 14px 20px; border-bottom: 1px solid var(--line);
}
.room-meta { color: var(--muted); }
.log { list-style: none; margin: 0; padding: 18px 20px 22px; display: grid; gap: 12px; }
.log li { font-size: 0.97rem; }
.who { font: 500 0.88rem var(--mono); margin-right: 6px; }
.who.bot { color: var(--bot); }
.who.human { color: var(--human); }
.dots { display: inline-flex; gap: 4px; vertical-align: middle; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: .2s; }
.dots i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

h2 { font: 600 1.8rem var(--serif); letter-spacing: -0.02em; margin: 0 0 24px; }
.features { margin-bottom: 72px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.grid article { border-top: 2px solid var(--ink); padding-top: 14px; }
.grid h3 { font-size: 1.02rem; margin: 0 0 8px; }
.grid p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.status { margin-bottom: 64px; max-width: 62ch; }
.status p { color: var(--muted); margin: 0; }
.status strong { color: var(--ink); }

.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; flex-wrap: wrap; gap: 8px; }
.mono { font-family: var(--mono); }

.login { padding-top: 80px; padding-bottom: 80px; }

@media (prefers-reduced-motion: reduce) {
  .dot, .dots i { animation: none; }
  .btn { transition: none; }
}