:root {
  --bg: #0a0c10;
  --card: #121820;
  --line: #2a3648;
  --text: #eef3fa;
  --muted: #93a1b5;
  --accent: #e8b84a;
  --accent2: #3dd6c6;
  --ok: #3ecf8e;
  --bad: #ff9b9b;
  --gold: #d4a84b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 480px at 10% -10%, #2a2210 0%, transparent 55%),
    radial-gradient(800px 420px at 100% 0%, #0f2a28 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 1.25rem 1.1rem 4rem; }
.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem; margin-bottom: 1.5rem;
}
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(145deg, #3a2e12, #1a3a36);
  border: 1px solid #5a4a22;
  display: grid; place-items: center; font-weight: 800; color: var(--accent); font-size: 0.85rem;
}
.brand strong { display: block; font-size: 1.05rem; letter-spacing: 0.02em; }
.brand span { display: block; font-size: 0.72rem; color: var(--muted); font-weight: 500; }
.lang-bar { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.lang-bar button {
  appearance: none; border: 1px solid var(--line); background: #0c1219; color: var(--muted);
  border-radius: 999px; padding: 0.3rem 0.65rem; font-size: 0.75rem; font-weight: 600; cursor: pointer;
}
.lang-bar button.active, .lang-bar button:hover { color: var(--text); border-color: #5a4a22; background: #1a1810; }
.hero { margin: 0.5rem 0 1.5rem; }
.eyebrow {
  color: var(--accent); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; margin: 0 0 0.45rem;
}
h1 {
  margin: 0 0 0.65rem; font-size: clamp(1.65rem, 4vw, 2.35rem); line-height: 1.15;
  max-width: 18ch;
}
.lead { color: var(--muted); font-size: 1.05rem; line-height: 1.55; max-width: 40rem; margin: 0 0 1.1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 0.5rem; }
a.btn, button.btn {
  appearance: none; border: 1px solid #6a5520; cursor: pointer; text-decoration: none;
  background: linear-gradient(135deg, #3a3018, #1e3a36); color: #fff8e8;
  font-weight: 650; border-radius: 10px; padding: 0.65rem 1rem; font-size: 0.92rem; display: inline-block;
}
a.btn.secondary, button.btn.secondary {
  background: #121820; border-color: var(--line); color: var(--text); font-weight: 500;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin: 1.25rem 0; }
.grid-2 { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 1rem; margin: 1.25rem 0; }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
.card {
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.15rem;
}
.card h2 { margin: 0 0 0.55rem; font-size: 1.05rem; }
.card h3 { margin: 0 0 0.35rem; font-size: 0.98rem; color: var(--accent2); }
.card p, .card li { color: var(--muted); line-height: 1.55; font-size: 0.9rem; }
.card ul { margin: 0.4rem 0 0; padding-left: 1.15rem; }
.persona {
  border: 1px solid var(--line); border-radius: 12px; padding: 0.95rem 1rem; background: #0c1219;
}
.persona .tag {
  display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--gold); border: 1px solid #4a3d1a;
  background: #1a1810; border-radius: 999px; padding: 0.15rem 0.5rem; margin-bottom: 0.45rem;
}
.fee-strip {
  margin: 1.25rem 0; padding: 1rem 1.15rem; border-radius: 14px;
  border: 1px solid #4a3d1a; background: linear-gradient(120deg, #1a1810, #0f1a18);
}
.fee-strip strong { color: var(--accent); font-size: 1.35rem; }
.fee-strip p { margin: 0.35rem 0 0; color: var(--muted); line-height: 1.5; font-size: 0.9rem; }
.node-map {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem;
}
.node-pill {
  border: 1px dashed #3a4d66; border-radius: 999px; padding: 0.35rem 0.75rem;
  font-size: 0.78rem; color: var(--muted); background: #0a0e14;
}
.node-pill.live { border-style: solid; border-color: #2a6a62; color: var(--accent2); }
.chat-shell {
  display: flex; flex-direction: column; height: min(58vh, 520px);
  border: 1px solid var(--line); border-radius: 14px; background: #0c1219; overflow: hidden;
}
.chat-log { flex: 1; overflow: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.65rem; }
.bubble {
  max-width: 92%; padding: 0.65rem 0.8rem; border-radius: 12px;
  font-size: 0.9rem; line-height: 1.45; white-space: pre-wrap;
}
.bubble.bot { align-self: flex-start; background: #151c27; border: 1px solid var(--line); }
.bubble.user { align-self: flex-end; background: #2a2414; border: 1px solid #4a3d1a; color: #fff8e8; }
.bubble.sys { align-self: center; color: var(--muted); font-size: 0.78rem; background: transparent; border: none; }
.chat-form { display: flex; gap: 0.45rem; padding: 0.75rem; border-top: 1px solid var(--line); background: #0a0e14; }
.chat-form input {
  flex: 1; margin: 0; background: #0a0e14; border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 0.55rem 0.65rem; font: inherit;
}
.chat-form button { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0 0 0.75rem; }
.chip {
  font-size: 0.75rem; background: #121820; border: 1px solid var(--line); color: var(--muted);
  border-radius: 999px; padding: 0.35rem 0.7rem; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: #5a4a22; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li {
  counter-increment: step; position: relative; padding: 0.55rem 0 0.55rem 2.4rem;
  color: var(--muted); line-height: 1.45; font-size: 0.9rem; border-bottom: 1px solid #1a2230;
}
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0.55rem;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  background: #1a1810; border: 1px solid #5a4a22; color: var(--accent);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700;
}
footer {
  margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.75rem; line-height: 1.5;
}
footer a { color: var(--accent2); }
.badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 0.25rem 0.5rem; border-radius: 999px;
  background: #14281f; color: var(--ok); border: 1px solid #2a4d3a; margin-bottom: 0.5rem;
}
.voice-bar {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  margin: 0 0 0.65rem; font-size: 0.82rem; color: var(--muted);
}
.voice-opt { display: flex; align-items: center; gap: 0.4rem; color: var(--text); cursor: pointer; }
.voice-opt input { width: auto; }
.chat-form .mic { min-width: 3rem; padding: 0.55rem 0.65rem; }
.chat-form .mic.rec {
  background: #3a1818; border-color: #8a3030; color: #ffc9c9; animation: pulse 1.2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(180,60,60,0.35); }
  50% { box-shadow: 0 0 0 6px rgba(180,60,60,0); }
}
.prose h2 { margin: 1.1rem 0 0.45rem; font-size: 1.05rem; color: var(--text); }
.prose p, .prose li { color: var(--muted); line-height: 1.55; font-size: 0.9rem; }
.prose a { color: var(--accent2); }
.prose ul, .prose ol { padding-left: 1.2rem; }