:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --text: #0f172a;
  --muted: #55637a;
  --border: #deebf8;
  --accent: #e8845c;
  --accent-2: #da6535;
  --accent-soft: rgba(232, 132, 92, 0.12);
  --indigo: #6366f1;
  --ok: #0f9d71;
  --focus: #0b6bcb;
  --radius: 16px;
  --shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 4px 18px rgba(15, 23, 42, 0.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(1000px 520px at 10% -5%, #fff7f2 0, #f6f8fc 58%),
    radial-gradient(800px 420px at 100% 0%, rgba(99, 102, 241, 0.08), transparent 60%),
    #f6f8fc;
  color: var(--text);
}
a { color: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 24px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 800; letter-spacing: -0.02em; font-size: 22px; }
.brand-sub { font-weight: 500; color: var(--muted); font-size: 13px; }
.nav { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.nav a { font-size: 14px; color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 999px; border: 1px solid transparent; }
.nav a:hover, .nav a.active { background: var(--surface); border-color: var(--border); color: var(--text); box-shadow: var(--shadow-soft); }
.hero {
  margin-top: 16px;
  border: 1px solid #ffd6c5;
  border-radius: 28px;
  padding: 28px;
  background: linear-gradient(140deg, #fff, #fff7f3 42%, #fff 76%);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 420px);
  gap: 18px;
}
.hero-copy { display: grid; gap: 14px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px; border-radius: 999px; border: 1px solid #ffd6c5; background: rgba(255,255,255,0.9); color: #9a3412; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; width: fit-content; }
.hero h1 { margin: 0; font-size: clamp(32px, 5vw, 50px); line-height: 1.02; letter-spacing: -0.04em; }
.hero p { margin: 0; color: #2e3b4d; max-width: 780px; font-size: 15px; line-height: 1.55; }
.hero-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.kpi { background: rgba(255,255,255,0.88); border: 1px solid #ffe2d7; border-radius: 14px; padding: 10px 12px; }
.kpi strong { display: block; font-size: 18px; }
.kpi span { font-size: 13px; color: var(--muted); }
.boundary { padding: 12px 14px; border-radius: 14px; background: #fff; border: 1px solid var(--border); font-size: 14px; }
.boundary strong { color: #9a3412; }
.conversation-shell { border: 1px solid var(--border); background: rgba(255,255,255,0.96); border-radius: 22px; padding: 16px; display: grid; gap: 12px; box-shadow: var(--shadow-soft); }
.conversation-shell h2 { margin: 0; font-size: 19px; letter-spacing: -0.02em; }
.conversation-shell p { font-size: 14px; color: var(--muted); }
.input, .select, .btn, .textarea { font: inherit; }
.textarea, .input, .select { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; background: #fff; color: var(--text); }
.textarea { min-height: 120px; resize: vertical; }
.textarea:focus, .input:focus, .select:focus, .btn:focus { outline: 2px solid var(--focus); outline-offset: 2px; }
.prompt-row { display: flex; gap: 8px; flex-wrap: wrap; }
.prompt-chip { border: 1px solid var(--border); border-radius: 999px; padding: 7px 12px; background: var(--surface-alt); color: var(--muted); font-size: 12px; cursor: pointer; }
.prompt-chip:hover { border-color: var(--accent); color: var(--accent); }
.conversation-bubble { border-radius: 16px; padding: 12px 14px; display: grid; gap: 6px; font-size: 14px; }
.conversation-bubble.assistant { background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(232,132,92,0.08)); border: 1px solid rgba(99,102,241,0.14); }
.conversation-card { border: 1px solid var(--border); border-radius: 16px; padding: 12px 14px; background: #fff; display: grid; gap: 8px; }
.conversation-card-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.conversation-card p { margin: 0; font-size: 14px; color: var(--muted); }
.btn { border: 1px solid var(--border); background: #fff; padding: 9px 12px; border-radius: 10px; cursor: pointer; text-decoration: none; font-size: 14px; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.explain-grid { margin-top: 18px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 360px); gap: 16px; }
.panel { border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,0.94); box-shadow: var(--shadow-soft); }
.panel-pad { padding: 20px; }
.section-title { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin: 0 0 10px; }
.transition-copy { display: grid; gap: 12px; }
.transition-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.transition-step { border: 1px solid var(--border); border-radius: 16px; background: #fff; padding: 14px; display: grid; gap: 6px; }
.transition-step strong { font-size: 15px; }
.transition-step p { margin: 0; font-size: 13px; color: var(--muted); }
.workflow-orbit { position: relative; min-height: 500px; overflow: hidden; background: radial-gradient(circle at 50% 50%, rgba(232,132,92,0.12), transparent 38%); }
.workflow-orbit-links { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.workflow-orbit-links line { stroke: rgba(108, 122, 145, 0.28); stroke-width: 14; stroke-linecap: round; }
.workflow-orbit-links line.secondary { stroke: rgba(99, 102, 241, 0.22); stroke-width: 8; }
.workflow-orbit-center, .workflow-orbit-node { position: absolute; transform: translate(-50%, -50%); border-radius: 999px; text-align: center; display: grid; place-items: center; gap: 4px; }
.workflow-orbit-center { left: 50%; top: 50%; width: 180px; height: 180px; border: 2px solid rgba(232,132,92,0.45); background: radial-gradient(circle at 30% 30%, rgba(232,132,92,0.18), #fff); box-shadow: 0 16px 40px -20px rgba(232,132,92,0.35); z-index: 2; }
.workflow-orbit-center strong { font-size: 18px; letter-spacing: -0.02em; }
.workflow-orbit-center span { font-size: 12px; color: var(--muted); max-width: 120px; }
.workflow-orbit-node.family { width: 172px; min-height: 92px; padding: 14px 16px; border: 1px dashed rgba(99,102,241,0.35); background: rgba(255,255,255,0.88); z-index: 1; }
.workflow-orbit-node.flow { width: 148px; min-height: 78px; padding: 10px 12px; border: 1px solid var(--border); background: #fff; box-shadow: 0 8px 22px rgba(15,23,42,0.06); }
.workflow-orbit-node strong { font-size: 12px; line-height: 1.2; }
.workflow-orbit-node span { font-size: 10px; color: var(--muted); }
.journey-rail { display: grid; gap: 10px; }
.journey-card { border: 1px solid var(--border); border-radius: 16px; background: #fff; padding: 14px; display: grid; gap: 6px; }
.journey-card small { text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; color: var(--muted); }
.journey-card strong { font-size: 15px; }
.journey-card p { margin: 0; color: var(--muted); font-size: 13px; }
.library-section { margin-top: 18px; display: grid; gap: 16px; }
.controls { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 10px; }
.catalog-head { display: flex; justify-content: space-between; gap: 12px; align-items: end; flex-wrap: wrap; }
.catalog-head p { margin: 0; color: var(--muted); max-width: 760px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.card, .detail, .shell { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 2px 10px rgba(15,23,42,.05); }
.card { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.card-top { display: flex; justify-content: space-between; gap: 8px; }
.badge { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: #9a3412; background: #fff5f1; border: 1px solid #ffd9c9; padding: 4px 8px; border-radius: 999px; }
.badge.subtle { color: #334155; background: #f8fafc; border-color: var(--border); }
.card h3 { margin: 0; font-size: 18px; letter-spacing: -.01em; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; }
.pill { font-size: 11px; border: 1px solid var(--border); padding: 4px 8px; border-radius: 999px; color: #334155; background: #f8fafc; }
.small { font-size: 13px; color: var(--muted); }
.row { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-section-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.detail { margin-top: 18px; padding: 18px; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.shell { padding: 18px; }
.list { display: grid; gap: 8px; }
.step { padding: 11px; border: 1px solid var(--border); border-radius: 10px; background: #fcfdff; }
.install-status { margin-top: 10px; font-size: 14px; min-height: 20px; }
.install-status.ok { color: var(--ok); }
.install-status.err { color: #dc2626; }
.empty { padding: 24px; border: 1px dashed var(--border); border-radius: 12px; color: var(--muted); background: #fff; text-align: center; }
.empty h3 { margin: 0 0 8px; color: #1f2937; }
.loading { padding: 28px; text-align: center; color: var(--muted); }
.footer-note { margin-top: 16px; font-size: 12px; color: #64748b; }
@media (max-width: 1080px) {
  .hero, .explain-grid { grid-template-columns: 1fr; }
  .hero-kpis, .grid, .detail-grid, .transition-steps { grid-template-columns: 1fr 1fr; }
  .controls { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 740px) {
  .wrap { padding: 16px; }
  .hero { padding: 20px; }
  .hero-kpis, .grid, .detail-grid, .controls, .transition-steps { grid-template-columns: 1fr; }
  .workflow-orbit { min-height: 620px; }
}