:root{
  --bg: #0b0d12;
  --panel: #121626;
  --card: #141a2e;
  --text: #e9ecf5;
  --muted: #a8b0c7;
  --border: rgba(255,255,255,.10);
  --brand: #6ea8ff;
  --brand2:#8dffcc;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius: 18px;
  --maxw: 1120px;
  --pad: 20px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

@media (prefers-color-scheme: light) {
  :root{
    --bg: #f7f8fc;
    --panel:#ffffff;
    --card:#ffffff;
    --text:#101425;
    --muted:#51607a;
    --border: rgba(16,20,37,.12);
    --shadow: 0 18px 45px rgba(18,22,38,.08);
  }
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(110,168,255,.30), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(141,255,204,.22), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
p{ margin: 0 0 12px; color: var(--muted); }
h1,h2,h3{ margin: 0 0 10px; line-height: 1.15; letter-spacing: -0.02em; }
small{ color: var(--muted); }
code{ font-family: var(--mono); }

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px var(--pad);
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.badge{
  font-family: var(--mono);
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.nav-links{
  display:flex;
  gap: 14px;
  align-items:center;
}
.nav-links a{
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
}
.nav-links a[data-active="true"],
.nav-links a:hover{
  background: color-mix(in oklab, var(--panel) 78%, transparent);
  color: var(--text);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  border-radius: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 78%, transparent);
  color: var(--text);
  cursor:pointer;
  box-shadow: none;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
  white-space: nowrap;
}
.btn:hover{
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn.primary{
  border-color: color-mix(in oklab, var(--brand) 55%, var(--border));
  background: linear-gradient(135deg, color-mix(in oklab, var(--brand) 18%, var(--panel)), color-mix(in oklab, var(--brand2) 10%, var(--panel)));
}
.btn.ghost{
  background: transparent;
}
.btn:focus-visible{
  outline: 2px solid color-mix(in oklab, var(--brand) 55%, transparent);
  outline-offset: 2px;
}

.hero{
  padding: 54px 0 24px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
}
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.panel{
  background: color-mix(in oklab, var(--panel) 82%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-main{ padding: 26px; }
.hero-side{ padding: 22px; display:flex; flex-direction: column; gap: 12px; }

.kicker{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}
.kdot{
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--brand) 18%, transparent);
}

h1{
  font-size: clamp(34px, 4vw, 52px);
}
.subhead{
  margin-top: 10px;
  font-size: 16px;
  max-width: 58ch;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.stat{
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 80%, transparent);
}
.stat b{ display:block; margin-bottom: 4px; }

.section{ padding: 28px 0; }
.section-title{
  display:flex; align-items: baseline; justify-content: space-between; gap: 14px;
  margin-bottom: 14px;
}
.section-title p{ margin: 0; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){ .grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .grid{ grid-template-columns: 1fr; } }

.card{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 84%, transparent);
  transform: translateY(0);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover{
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--brand) 22%, var(--border));
}
.card h3{ font-size: 16px; margin-bottom: 6px; }
.card p{ margin: 0; }

.hr{
  height:1px;
  background: var(--border);
  margin: 20px 0;
}

.pills{ display:flex; gap: 8px; flex-wrap: wrap; }
.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: transparent;
}

/* Demo stepper (no HTMX) */
.stepper{
  display:grid;
  grid-template-columns: .45fr .55fr;
  gap: 14px;
}
@media (max-width: 920px){
  .stepper{ grid-template-columns: 1fr; }
}
.steps{ padding: 16px; }
.step{
  display:flex;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: transparent;
  margin-bottom: 10px;
  cursor: pointer;
  user-select: none;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.step:hover{ transform: translateY(-1px); }
.step[data-active="true"]{
  background: color-mix(in oklab, var(--panel) 78%, transparent);
  border-color: color-mix(in oklab, var(--brand) 35%, var(--border));
}
.step-num{
  width: 28px; height: 28px;
  border-radius: 10px;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--mono);
  background: color-mix(in oklab, var(--brand) 14%, transparent);
  border: 1px solid var(--border);
}
.step-body b{ display:block; margin-bottom: 2px; }
.step-body small{ color: var(--muted); }

.demo-panel{ padding: 16px; }
.codebox{
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  overflow:auto;
  white-space: pre;
}

/* simple reveal animation */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in{
  opacity: 1;
  transform: translateY(0);
}

.footer{
  padding: 34px 0 46px;
  color: var(--muted);
}
.footer .footgrid{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}