/* AI Open House : shared styles */
:root {
  --bg: #0b0d10;
  --bg-2: #12151a;
  --panel: #171b21;
  --line: #262c35;
  --text: #e9edf2;
  --muted: #9aa5b1;
  --accent: #ffb224;
  --accent-2: #ff6b35;
  --live: #3ddc84;
  --danger: #ff5470;
  --radius: 14px;
  --maxw: 1080px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { color: #ffc85c; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #111; padding: .6rem 1rem; font-weight: 700;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(11,13,16,.92); backdrop-filter: blur(8px); z-index: 50;
}
header.site .wrap { display: flex; align-items: center; gap: 1rem; min-height: 60px; flex-wrap: wrap; padding-top: .4rem; padding-bottom: .4rem; }
.brand { font-weight: 800; letter-spacing: -.02em; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.brand .dot { color: var(--accent); }
nav.main { margin-left: auto; display: flex; gap: .25rem; flex-wrap: wrap; }
nav.main a {
  color: var(--muted); text-decoration: none; font-size: .92rem; padding: .45rem .7rem; border-radius: 8px;
}
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--text); background: var(--panel); }

/* Hero / video */
.hero { padding: 1.5rem 0 2.5rem; }
.kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .75rem;
}
h1 { font-size: clamp(1.7rem, 4.5vw, 3rem); line-height: 1.12; letter-spacing: -.02em; margin-bottom: .6rem; }
.sub { color: var(--muted); font-size: 1.05rem; max-width: 46rem; }

.video-frame {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #171b21, #0f1216);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  margin: 1.25rem 0;
}
.video-frame iframe, .video-frame video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .6rem; text-align: center; padding: 1rem;
}
.video-placeholder .big { font-size: clamp(1.1rem, 3vw, 1.6rem); font-weight: 800; }
.video-placeholder .small { color: var(--muted); font-size: .95rem; }

.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .25rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.4rem; border-radius: 999px; font-weight: 800; font-size: 1rem;
  text-decoration: none; border: 0; cursor: pointer; min-height: 48px;
}
.btn-primary { background: var(--accent); color: #14100a; }
.btn-primary:hover { background: #ffc85c; color: #14100a; }
.btn-secondary { background: transparent; color: var(--text); border: 2px solid var(--line); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Live badge */
.badge {
  display: inline-flex; align-items: center; gap: .45rem; font-size: .78rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase; padding: .3rem .7rem; border-radius: 999px;
}
.badge-live { background: rgba(61,220,132,.12); color: var(--live); border: 1px solid rgba(61,220,132,.4); }
.badge-live .pulse {
  width: 9px; height: 9px; border-radius: 50%; background: var(--live);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.badge-soon { background: rgba(154,165,177,.1); color: var(--muted); border: 1px solid var(--line); }
.badge-done { background: rgba(255,178,36,.1); color: var(--accent); border: 1px solid rgba(255,178,36,.35); }

/* Sections */
section { padding: 2.5rem 0; border-top: 1px solid var(--line); }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); letter-spacing: -.01em; margin-bottom: 1rem; }
h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.grid { display: grid; gap: 1rem; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem;
}
.card p, .card li { color: var(--muted); font-size: .95rem; }
.card h3 a { color: var(--text); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card .meta { font-size: .8rem; color: var(--muted); margin-bottom: .4rem; text-transform: uppercase; letter-spacing: .06em; }

/* Live-build banner */
.live-note {
  border: 1px dashed rgba(61,220,132,.5); background: rgba(61,220,132,.06);
  border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.25rem 0; font-size: .97rem;
}
.live-note strong { color: var(--live); }

/* Changelog */
.changelog { list-style: none; }
.changelog li {
  display: grid; grid-template-columns: 84px 1fr; gap: .75rem; padding: .6rem 0;
  border-bottom: 1px solid var(--line); font-size: .95rem;
}
.changelog time { color: var(--live); font-weight: 700; font-variant-numeric: tabular-nums; }

/* Code blocks */
pre {
  background: #0d1015; border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem; overflow-x: auto; font-size: .85rem; line-height: 1.5;
}
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.code-block { position: relative; margin: .75rem 0; }
.copy-btn {
  position: absolute; top: .5rem; right: .5rem; font-size: .75rem; font-weight: 700;
  background: var(--panel); color: var(--muted); border: 1px solid var(--line);
  border-radius: 6px; padding: .3rem .6rem; cursor: pointer; min-height: 32px;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Forms */
form.house {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; max-width: 560px;
}
form.house label { display: block; font-weight: 700; font-size: .9rem; margin: .9rem 0 .3rem; }
form.house input, form.house select, form.house textarea {
  width: 100%; padding: .7rem .8rem; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--text); font-size: 1rem; min-height: 44px;
}
form.house textarea { min-height: 90px; resize: vertical; }
form.house input:focus, form.house select:focus, form.house textarea:focus {
  outline: 3px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
form.house .hint { font-size: .8rem; color: var(--muted); margin-top: .2rem; }
form.house button { margin-top: 1.25rem; width: 100%; }
.hp { position: absolute; left: -9999px; }

/* Disclaimer */
.disclaimer {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2);
  padding: 1.5rem; color: var(--muted); font-size: .95rem;
}
.disclaimer h2 { color: var(--text); }

/* Stats */
.stat-row { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-top: .5rem; }
.stat { text-align: left; }
.stat .n { font-size: 1.6rem; font-weight: 900; color: var(--accent); font-variant-numeric: tabular-nums; }
.stat .l { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* Footer */
footer.site { border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); font-size: .88rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--accent); }

ul.clean { list-style: none; }
ul.clean li { padding: .35rem 0; }
ul.clean li::before { content: "→ "; color: var(--accent); font-weight: 700; }
.timeline { list-style: none; }
.timeline li { display: grid; grid-template-columns: 110px 1fr; gap: .75rem; padding: .5rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.timeline .t { color: var(--accent); font-weight: 800; font-variant-numeric: tabular-nums; }
.timeline p { color: var(--muted); }