:root {
  --bg:#070a0d;
  --surface:#0d1318;
  --surface2:#121b22;
  --surface3:#17232b;
  --text:#f3f7fb;
  --muted:#94a7b7;
  --line:rgba(255,255,255,.12);
  --line2:rgba(255,255,255,.18);
  --accent:#00bcd4;
  --accent2:#75e7f4;
  --good:#7ee787;
  --warn:#ffd166;
  --shadow:0 24px 80px rgba(0,0,0,.35);
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
}

html,
body {
  margin:0;
  min-height:100%;
  background:
    radial-gradient(circle at 20% 10%, rgba(0,188,212,.16), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(117,231,244,.08), transparent 26%),
    var(--bg);
  color:var(--text);
  font-family:Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color:inherit;
}

.site-header {
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(14px);
  background:rgba(7,10,13,.78);
  border-bottom:1px solid var(--line);
}

.nav {
  max-width:1100px;
  margin:0 auto;
  padding:14px 20px;
  display:flex;
  align-items:center;
  gap:14px;
}

.nav a {
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  font-weight:700;
}

.nav a:hover {
  color:var(--text);
}

.nav .brand {
  margin-right:auto;
  color:var(--text);
  font-size:18px;
  letter-spacing:.02em;
}

main {
  max-width:1100px;
  margin:0 auto;
  padding:24px 20px 60px;
}

.hero {
  padding:76px 0 48px;
}

.eyebrow {
  color:var(--accent2);
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin:0 0 12px;
}

h1 {
  font-size:clamp(46px, 8vw, 92px);
  line-height:.92;
  margin:0 0 22px;
  letter-spacing:-.07em;
}

h2 {
  font-size:clamp(28px, 4vw, 44px);
  letter-spacing:-.04em;
  margin:0 0 14px;
}

h3 {
  margin:0 0 8px;
  font-size:20px;
}

.lead {
  max-width:830px;
  color:var(--muted);
  font-size:20px;
  line-height:1.55;
  margin:0;
}

.hero-actions {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:10px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text);
  text-decoration:none;
  font-weight:800;
  cursor:pointer;
}

.btn.primary {
  background:var(--accent);
  color:#001114;
  border-color:transparent;
}

.panel {
  background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px;
  margin:18px 0;
  box-shadow:var(--shadow);
}

.grid {
  display:grid;
  gap:14px;
}

.model-grid {
  grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:20px;
}

.model-grid article {
  min-height:150px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(0,0,0,.18);
}

.model-grid p,
.sample-card p,
.muted {
  color:var(--muted);
  line-height:1.5;
}

.chips {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.chips span {
  display:inline-flex;
  padding:9px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--muted);
  font-weight:700;
  font-size:14px;
}

.sample-card {
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface2);
  margin-top:18px;
}

.sample-output {
  margin-top:18px;
}

.empty-state {
  margin:0;
  padding:18px;
  border-radius:18px;
  border:1px dashed var(--line2);
  color:var(--muted);
  background:rgba(0,0,0,.18);
}

.path-report {
  display:grid;
  gap:16px;
}

.path-topline {
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:14px;
}

.path-summary,
.path-status,
.path-section {
  border:1px solid var(--line);
  border-radius:20px;
  background:rgba(0,0,0,.2);
  padding:18px;
}

.path-summary h3,
.path-status h3,
.path-section h3 {
  margin:0 0 10px;
}

.path-summary p,
.path-status p,
.path-section p {
  color:var(--muted);
  line-height:1.5;
}

.status-list {
  display:grid;
  gap:8px;
  margin-top:12px;
}

.status-item {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:14px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.08);
  color:var(--muted);
  font-weight:700;
  font-size:14px;
}

.status-item strong {
  color:var(--text);
}

.badge {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:84px;
  padding:5px 9px;
  border-radius:999px;
  background:rgba(126,231,135,.12);
  border:1px solid rgba(126,231,135,.26);
  color:var(--good);
  font-size:12px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.04em;
}

.path-columns {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}

.info-card {
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface2);
  padding:16px;
}

.info-card h4 {
  margin:0 0 10px;
  color:var(--accent2);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:.08em;
}

.clean-list {
  display:grid;
  gap:9px;
  margin:0;
  padding:0;
  list-style:none;
}

.clean-list li {
  padding:10px 11px;
  border-radius:12px;
  background:rgba(255,255,255,.045);
  color:var(--muted);
  line-height:1.4;
}

.timeline {
  display:grid;
  gap:10px;
  margin-top:12px;
}

.step {
  display:grid;
  grid-template-columns:44px 1fr;
  gap:12px;
  align-items:start;
  padding:13px;
  border-radius:16px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.08);
}

.step-number {
  width:34px;
  height:34px;
  border-radius:999px;
  display:grid;
  place-items:center;
  background:var(--accent);
  color:#001114;
  font-weight:900;
}

.step h4 {
  margin:0 0 4px;
}

.step p {
  margin:0;
  color:var(--muted);
}

.risk-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:12px;
}

.risk {
  padding:13px;
  border-radius:16px;
  background:rgba(255,209,102,.08);
  border:1px solid rgba(255,209,102,.22);
}

.risk strong {
  display:block;
  color:var(--warn);
  margin-bottom:5px;
}

.risk span {
  display:block;
  color:var(--muted);
  line-height:1.45;
}

footer {
  text-align:center;
  color:var(--muted);
  border-top:1px solid var(--line);
  padding:22px;
}

footer p {
  margin:0;
}

@media (max-width:900px) {
  .model-grid,
  .path-columns,
  .path-topline,
  .risk-grid {
    grid-template-columns:1fr;
  }
}

@media (max-width:560px) {
  .nav {
    overflow:auto;
  }

  .hero {
    padding-top:48px;
  }

  .sample-card {
    display:block;
  }

  .sample-card .btn {
    margin-top:14px;
    width:100%;
  }

  .step {
    grid-template-columns:1fr;
  }
}