:root{
  --bg0:#070a12;
  --bg1:#0b1221;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.12);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.70);
  --muted2:rgba(255,255,255,.55);
  --shadow:0 20px 60px rgba(0,0,0,.40);
  --brand:#6ee7ff;
  --brand2:#a78bfa;
  --ok:#34d399;
  --warn:#fbbf24;
  --maxw:1100px;
  --r:18px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg0:#f7f8fc;
    --bg1:#ffffff;
    --card:rgba(12,18,33,.04);
    --card2:rgba(12,18,33,.06);
    --border:rgba(12,18,33,.10);
    --text:rgba(12,18,33,.92);
    --muted:rgba(12,18,33,.72);
    --muted2:rgba(12,18,33,.55);
    --shadow:0 18px 45px rgba(10,18,30,.12);
    --brand:#0066ff;
    --brand2:#7c3aed;
  }
}

*{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";
  color:var(--text);
  background:
    radial-gradient(1100px 500px at 15% 0%, rgba(110,231,255,.20), transparent 55%),
    radial-gradient(900px 500px at 85% 5%, rgba(167,139,250,.16), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a{color:inherit}

.skip{
  position:absolute;
  top:-40px;
  left:12px;
  background:var(--bg1);
  border:1px solid var(--border);
  padding:8px 10px;
  border-radius:10px;
  z-index:999;
}
.skip:focus{top:12px; outline:none; box-shadow:0 0 0 4px rgba(110,231,255,.25)}

.container{max-width:var(--maxw); margin:0 auto; padding:0 18px}

.topbar{
  position:sticky;
  top:0;
  backdrop-filter:saturate(180%) blur(12px);
  background:linear-gradient(180deg, rgba(0,0,0,.30), rgba(0,0,0,.10));
  border-bottom:1px solid var(--border);
  z-index:50;
}
@media (prefers-color-scheme: light){
  .topbar{background:linear-gradient(180deg, rgba(255,255,255,.70), rgba(255,255,255,.45));}
}

.topbar .row{display:flex; align-items:center; gap:12px; padding:12px 0}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
}
.logo{
  width:34px; height:34px; border-radius:10px;
  background:linear-gradient(135deg, rgba(110,231,255,.9), rgba(167,139,250,.9));
  box-shadow:0 8px 30px rgba(110,231,255,.18);
}
.brand b{letter-spacing:.2px}
.nav{margin-left:auto; display:flex; gap:14px; flex-wrap:wrap}
.nav a{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  padding:6px 10px;
  border-radius:999px;
}
.nav a:hover{background:var(--card); color:var(--text)}

.hero{padding:54px 0 28px}
.heroGrid{display:grid; grid-template-columns: 1.1fr .9fr; gap:22px; align-items:center}
@media (max-width: 900px){.heroGrid{grid-template-columns:1fr;}}

.kicker{display:inline-flex; gap:8px; align-items:center; color:var(--muted); font-size:13px}
.badge{
  font-size:12px;
  color:var(--text);
  padding:4px 10px;
  border-radius:999px;
  background:linear-gradient(135deg, rgba(110,231,255,.22), rgba(167,139,250,.18));
  border:1px solid var(--border);
}

h1{font-size:44px; line-height:1.05; margin:12px 0 10px; letter-spacing:-.7px}
@media (max-width: 900px){h1{font-size:36px}}
.lead{color:var(--muted); font-size:17px; line-height:1.65; margin:0 0 18px}

.ctaRow{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:11px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  text-decoration:none;
  font-weight:650;
  box-shadow: none;
}
.btnPrimary{
  background:linear-gradient(135deg, rgba(110,231,255,.90), rgba(167,139,250,.85));
  color:rgba(10,18,30,.92);
  border-color:transparent;
}
.btnPrimary:hover{filter:saturate(1.05) brightness(1.02)}
.btnGhost{background:var(--card)}
.btnGhost:hover{background:var(--card2)}

.heroCard{
  background:linear-gradient(180deg, var(--card), transparent);
  border:1px solid var(--border);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.heroCardInner{padding:14px}
.heroMedia{
  display:block;
  width:100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius:14px;
  background:
    radial-gradient(400px 250px at 25% 30%, rgba(110,231,255,.28), transparent 60%),
    radial-gradient(320px 220px at 75% 35%, rgba(167,139,250,.22), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border:1px solid var(--border);
}
.heroNote{color:var(--muted2); font-size:13px; margin:10px 0 0; line-height:1.5}

.section{padding:34px 0}
.section h2{font-size:26px; margin:0 0 10px; letter-spacing:-.3px}
.section p{color:var(--muted); line-height:1.7; margin:0}

.grid3{display:grid; grid-template-columns: repeat(3, 1fr); gap:12px; margin-top:14px}
@media (max-width: 900px){.grid3{grid-template-columns:1fr;}}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:16px;
}
.card h3{margin:0 0 6px; font-size:16px}
.card p{margin:0; color:var(--muted); font-size:14px; line-height:1.6}

.split{display:grid; grid-template-columns: 1fr 1fr; gap:16px; margin-top:14px}
@media (max-width: 900px){.split{grid-template-columns:1fr;}}

.figure{
  width:100%;
  border-radius:16px;
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  overflow:hidden;
}
.figure img{width:100%; height:auto; display:block}
.figcap{padding:10px 12px; color:var(--muted2); font-size:13px; line-height:1.5}

.steps{margin-top:12px; display:grid; gap:10px}
.step{
  display:flex; gap:12px; align-items:flex-start;
  padding:14px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--card);
}
.stepNum{
  width:30px; height:30px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, rgba(110,231,255,.25), rgba(167,139,250,.18));
  border:1px solid var(--border);
  flex:0 0 auto;
  color:var(--text);
  font-weight:700;
}
.step b{display:block; margin-bottom:3px}
.step div{color:var(--muted); line-height:1.55; font-size:14px}

.faq{margin-top:12px; display:grid; gap:10px}
.faq details{
  border:1px solid var(--border);
  border-radius:16px;
  background:var(--card);
  padding:12px 14px;
}
.faq summary{cursor:pointer; font-weight:650}
.faq p{margin:8px 0 0}

.footer{
  padding:26px 0 40px;
  border-top:1px solid var(--border);
  color:var(--muted2);
}
.footerRow{display:flex; gap:12px; flex-wrap:wrap; align-items:center; justify-content:space-between}
.footer a{color:var(--muted); text-decoration:none}
.footer a:hover{text-decoration:underline}

.small{font-size:13px; color:var(--muted2)}

.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:rgba(255,255,255,.06);
}