:root{
  --bg: #0b0f19;
  --bg2:#0f1630;
  --card:#101a33;
  --fg:#e7ebff;
  --muted:#aab4e6;
  --border: rgba(255,255,255,.12);
  --accent:#7c5cff;
  --accent2:#2bd4ff;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1100px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f7f8ff;
    --bg2:#eef1ff;
    --card:#ffffff;
    --fg:#0f1330;
    --muted:#4b5174;
    --border: rgba(15,19,48,.12);
    --shadow: 0 10px 28px rgba(12,18,50,.10);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% -10%, rgba(124,92,255,.30), transparent 55%),
              radial-gradient(1000px 700px at 100% 0%, rgba(43,212,255,.20), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--fg);
  line-height:1.55;
}

a{color:inherit}
a:hover{opacity:.92}

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--card); padding:10px 14px; border-radius:12px; border:1px solid var(--border);
}
.skip-link:focus{left:14px; top:14px; z-index:9999; outline:2px solid var(--accent)}

header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg), transparent 35%);
  border-bottom: 1px solid var(--border);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.brand .word{
  font-weight: 740;
  letter-spacing: .2px;
}
.brand .tag{
  font-size: 12px;
  color: var(--muted);
  margin-top: -2px;
}
.brand-mark{
  width:34px;height:34px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
}
.nav a{
  text-decoration:none;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
}
.nav a.active, .nav a:hover{
  color: var(--fg);
  background: color-mix(in oklab, var(--card), transparent 30%);
  border: 1px solid var(--border);
}

.cta{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(43,212,255,.75));
  color: white;
  border: 0;
  text-decoration:none;
  font-weight: 650;
  box-shadow: var(--shadow);
}
.cta:focus{outline:2px solid color-mix(in oklab, var(--accent2), white 35%); outline-offset:2px}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 14px;
  background: color-mix(in oklab, var(--card), transparent 10%);
  color: var(--fg);
  border: 1px solid var(--border);
  text-decoration:none;
  font-weight: 650;
}
.btn:hover{background: color-mix(in oklab, var(--card), transparent 0%)}
.btn:focus{outline:2px solid var(--accent); outline-offset:2px}

.icon-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 10%);
  cursor:pointer;
}
.icon-btn:focus{outline:2px solid var(--accent); outline-offset:2px}

.hero{
  padding: 42px 0 26px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 22px;
  align-items:stretch;
}
.hero-card{
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 12%);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.hero-card .pad{padding: 26px}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color: var(--muted);
  font-size: 13px;
}
.kicker .dot{
  width:10px;height:10px;border-radius:99px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 80%);
}
h1{
  margin: 10px 0 12px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -.5px;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16.5px;
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap}

.hero-visual{
  padding: 22px;
  display:flex;
  align-items:stretch;
  justify-content:center;
  min-height: 260px;
}
.hero-visual img{
  width:100%;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 8%);
}

.section{
  padding: 26px 0;
}
.section h2{
  font-size: 22px;
  margin: 0 0 12px;
}
.section p{color: var(--muted); margin: 0 0 14px}
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 10%);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h3{margin: 0 0 8px; font-size: 16px}
.card p{margin:0; color: var(--muted); font-size: 14.5px}
.pills{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
.pill{
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg), transparent 65%);
  padding: 7px 10px;
  border-radius: 999px;
}

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.list{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{margin: 6px 0}

footer{
  border-top: 1px solid var(--border);
  padding: 18px 0 26px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
}
.footer-grid{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 16px;
  flex-wrap:wrap;
}
.footer-links{
  display:flex; gap:10px; flex-wrap:wrap;
}
.footer-links a{
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.footer-links a:hover{border-color: var(--border); background: color-mix(in oklab, var(--card), transparent 10%)}

.small{font-size:12px}
.muted{color:var(--muted)}
.hr{height:1px;background:var(--border); margin: 14px 0}
.notice{
  border: 1px dashed color-mix(in oklab, var(--border), var(--accent) 22%);
  background: color-mix(in oklab, var(--card), transparent 18%);
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--muted);
}
kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 0%);
  color: var(--fg);
}

@media (max-width: 860px){
  .hero-grid{grid-template-columns: 1fr}
  .hero-visual{min-height: 220px}
  .grid3{grid-template-columns: 1fr}
  .split{grid-template-columns: 1fr}
  .nav{display:none}
  .icon-btn{display:inline-flex}
  .nav.mobile-open{
    display:flex;
    position:absolute;
    right: 20px;
    top: 70px;
    flex-direction:column;
    align-items:stretch;
    min-width: 240px;
    border: 1px solid var(--border);
    background: color-mix(in oklab, var(--card), var(--bg) 20%);
    border-radius: 18px;
    padding: 10px;
    box-shadow: var(--shadow);
  }
  .nav.mobile-open a{padding:12px 12px}
}