:root {
  --bg: #0c0d12;
  --panel: #14161d;
  --ink: #f3efe8;
  --mute: #9b97a8;
  --line: rgba(255,255,255,.08);
  --violet: #c9b6ff;
  --gold: #e4d0a0;
  --nav-bg: #0c0d12;
  --nav-ink: #f3efe8;
  --nav-line: rgba(255,255,255,.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-family: "DM Sans", system-ui, sans-serif; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px 80px; }
.site-head { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.logo { font-weight: 600; letter-spacing: .28em; text-transform: uppercase; font-size: 13px; }
.local-nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; }
.local-nav a { color: var(--mute); }
.local-nav a[aria-current="page"], .local-nav a:hover { color: var(--ink); }
.eyebrow { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
h1, h2 { font-weight: 500; letter-spacing: -.04em; line-height: 1.05; }
h1 { font-size: clamp(36px, 6vw, 62px); margin: 12px 0 16px; }
.lede { max-width: 46ch; color: #d4cfc6; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; padding: 48px 0 20px; align-items: center; }
.filament { min-height: 280px; border: 1px solid var(--line); border-radius: 20px; background:
  radial-gradient(circle at 70% 30%, rgba(201,182,255,.22), transparent 42%),
  linear-gradient(160deg, #171924, #0e1016);
  position: relative; overflow: hidden;
}
.filament i { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, var(--violet), transparent); animation: sweep 7s linear infinite; opacity: .7; }
.filament i:nth-child(1) { top: 30%; width: 80%; left: -10%; }
.filament i:nth-child(2) { top: 52%; width: 70%; left: 20%; animation-delay: -2s; }
.filament i:nth-child(3) { top: 74%; width: 60%; left: 0; animation-delay: -4s; }
@keyframes sweep { from { transform: translateX(-12%); } to { transform: translateX(18%); } }
@media (prefers-reduced-motion: reduce) { .filament i { animation: none; } }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; border: 0; background: var(--violet); color: #120e1c; font-weight: 600; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.models { display: grid; gap: 8px; margin-top: 18px; }
.model { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); text-align: left; width: 100%; transition: border-color .2s ease, transform .2s ease; }
.model:hover { transform: translateY(-1px); }
.model[aria-pressed="true"] { border-color: var(--violet); }
.model small { color: var(--mute); }
.layout { display: grid; grid-template-columns: 280px 1fr; gap: 18px; padding-top: 24px; }
.panel { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); padding: 16px; }
.chat-log { min-height: 280px; display: grid; gap: 10px; }
.bubble { padding: 12px 14px; border-radius: 12px; background: #1b1e27; }
.bubble.bot { background: #191622; border: 1px solid rgba(201,182,255,.2); }
.composer { display: flex; gap: 8px; margin-top: 12px; }
.composer input { flex: 1; min-height: 44px; border-radius: 999px; border: 1px solid var(--line); background: #0f1118; padding: 0 14px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--panel); display: flex; flex-direction: column; }
.plan.featured { border-color: var(--violet); }
.price { font-size: 36px; margin: 8px 0; }
.price small { font-size: 14px; color: var(--mute); }
.notice { color: var(--mute); font-size: 14px; border: 1px solid var(--line); padding: 12px; border-radius: 10px; }
.create-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.job { min-height: 180px; border-radius: 16px; border: 1px dashed var(--line); display: grid; place-items: center; color: var(--mute); text-align: center; padding: 20px; }
.meter { height: 6px; background: #222; border-radius: 99px; overflow: hidden; margin: 8px 0 16px; }
.meter > span { display: block; height: 100%; background: var(--violet); }
iframe.studio { width: 100%; min-height: 78vh; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
footer.site { margin-top: 48px; color: var(--mute); font-size: 13px; }
@media (max-width: 860px) {
  .hero, .layout, .plans, .create-grid { grid-template-columns: 1fr; }
  .site-head { flex-direction: column; align-items: flex-start; }
}