:root{
  --bg:#f6f8fc;
  --panel:#ffffff;
  --panel2:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:rgba(15,23,42,0.10);

  --accent:#2563eb;   /* blue */
  --accent2:#14b8a6;  /* teal */
  --warn:#d97706;
  --danger:#e11d48;

  --radius:16px;
  --shadow: 0 18px 50px rgba(2,6,23,.10);
  --max:1100px;
  --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";
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  line-height:1.5;
  background:
    radial-gradient(900px 520px at 10% 0%, rgba(37,99,235,.14), transparent 55%),
    radial-gradient(900px 560px at 85% 15%, rgba(20,184,166,.12), transparent 60%),
    linear-gradient(180deg, #ffffff, var(--bg));
}

a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.container{width:100%; max-width:var(--max); margin:0 auto; padding:0 20px}

.topbar{
  position:sticky; top:0; z-index:20;
  backdrop-filter:saturate(160%) blur(10px);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  height:64px;
}

.brand{display:flex; align-items:center; gap:10px; font-weight:900; letter-spacing:.2px}
.brand__mark{
  width:28px; height:28px; display:grid; place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg, rgba(37,99,235,.22), rgba(20,184,166,.18));
  border:1px solid rgba(37,99,235,.20);
  box-shadow: 0 10px 28px rgba(2,6,23,.10);
  color:#0b1220;
}
.brand__name{color:var(--text)}

.nav{display:flex; gap:14px; align-items:center}
.nav a{color:var(--text); opacity:.85; font-weight:700}
.nav a:hover{opacity:1}

.notice{border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:10px 0}
.notice--as-is{background:rgba(225,29,72,.06)}
.notice--warn{background:rgba(217,119,6,.10)}

.hero{padding:44px 0 24px}
.hero__grid{display:grid; grid-template-columns: 1.2fr .9fr; gap:22px; align-items:start}
@media (max-width: 900px){ .hero__grid{grid-template-columns:1fr} .nav{display:none} }

h1{font-size:44px; line-height:1.1; margin:0 0 14px; letter-spacing:-0.02em}
@media (max-width: 600px){ h1{font-size:34px} }

h2{margin:0 0 14px; font-size:28px; letter-spacing:-0.01em}

.lead{color:var(--muted); font-size:18px; margin:0 0 18px; max-width:62ch}

.pill{
  display:inline-block; padding:.18em .5em;
  background:rgba(37,99,235,.10);
  border:1px solid rgba(37,99,235,.18);
  border-radius:999px;
}

.cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0 18px}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:999px;
  padding:10px 14px;
  border:1px solid var(--line);
  color:var(--text);
  font-weight:800;
  background:rgba(255,255,255,.70);
  cursor:pointer;
  transition: transform .05s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
}
.btn:hover{background:#ffffff; text-decoration:none; border-color:rgba(37,99,235,.22)}
.btn:active{transform: translateY(1px); box-shadow: 0 6px 14px rgba(2,6,23,.07)}
.btn--primary{
  background:linear-gradient(135deg, rgba(37,99,235,.16), rgba(20,184,166,.12));
  border-color:rgba(37,99,235,.25);
}
.btn--ghost{background:transparent; box-shadow:none}
.btn--sm{padding:8px 12px; font-size:14px}

.stats{display:flex; gap:14px; margin-top:10px; flex-wrap:wrap}
.stat{
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.70);
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
  min-width:120px;
}
.stat__k{font-size:22px; font-weight:950}
.stat__v{color:var(--muted); font-size:13px; margin-top:2px}

.note{
  margin-top:14px; padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.70);
  color:var(--muted);
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
  max-width:72ch;
}

.card{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.86));
  box-shadow:var(--shadow);
  padding:16px;
}
.card__title{font-weight:950; margin-bottom:10px}

.steps{margin:0; padding-left:18px; color:var(--muted)}
.steps li{margin:8px 0}

.codeblock{
  margin-top:12px;
  padding:12px 14px;
  background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(15,23,42,.86));
  border:1px solid rgba(15,23,42,.22);
  border-radius:14px;
  font-family:var(--mono);
  color:#e2e8f0;
  overflow:auto;
}

.section{padding:34px 0}
.section--alt{
  background:rgba(37,99,235,.04);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)
}

.grid3{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px}
.grid2{display:grid; grid-template-columns:repeat(2, 1fr); gap:14px}
@media (max-width: 900px){ .grid3{grid-template-columns:1fr} .grid2{grid-template-columns:1fr} }

.feature{
  padding:14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.72);
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
}
.feature__h{font-weight:950; margin-bottom:6px}

.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.strong{font-weight:900}

.callout{
  margin-top:18px;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid rgba(37,99,235,.20);
  background:linear-gradient(135deg, rgba(37,99,235,.06), rgba(20,184,166,.05));
}
.callout__h{font-weight:950; margin-bottom:4px}

.downloadbox{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px 16px;
  background:rgba(255,255,255,.72);
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
}
.downloadbox__title{font-weight:950; font-size:18px}
.downloadbox__actions{display:flex; gap:10px; flex-wrap:wrap}

.footer{
  border-top:1px solid var(--line);
  padding:28px 0;
  background:rgba(255,255,255,.70);
}
.footer__grid{display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap:16px}
@media (max-width: 900px){ .footer__grid{grid-template-columns:1fr} }
.footer__brand{font-weight:950; font-size:18px; margin-bottom:6px}
.footer__title{font-weight:950; margin-bottom:8px}
.footer__links{list-style:none; padding:0; margin:0}
.footer__links li{margin:8px 0}
.footer__links a{color:var(--text); opacity:.85}
.footer__links a:hover{opacity:1}
.footer__bottom{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-top:18px}

.prose{max-width: 78ch}
.prose h1{font-size:36px}
.prose p, .prose li{color:var(--muted)}
.prose code{
  font-family:var(--mono);
  background:rgba(37,99,235,.08);
  padding:2px 6px;
  border-radius:8px;
  border:1px solid rgba(37,99,235,.16)
}

.as-is-box{
  margin:14px 0;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid rgba(225,29,72,.22);
  background:rgba(225,29,72,.06);
}

.table{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  background:rgba(255,255,255,.72);
  box-shadow: 0 10px 26px rgba(2,6,23,.06);
}
.table__row{
  display:grid;
  grid-template-columns: 2fr .6fr .7fr .6fr;
  gap:10px;
  padding:12px 14px;
  border-top:1px solid var(--line);
  align-items:center;
}
.table__head{border-top:none; background:rgba(2,6,23,.03); font-weight:900; color:var(--muted)}
@media (max-width: 900px){
  .table__row{grid-template-columns:1fr;}
}