:root {
  --bg: #0b1220;
  --bg2: #111a2e;
  --card: #162038;
  --text: #e8eef9;
  --muted: #9aadc8;
  --accent: #3b9eff;
  --accent2: #22c55e;
  --border: #243352;
  --warn: #f59e0b;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 500px at 10% -10%, #1a2b4d 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,18,32,.88);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 20;
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.9rem 0; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.05rem; color: var(--text); letter-spacing: .02em; }
.brand span { color: var(--accent); }
.navlinks { display: flex; gap: .85rem; flex-wrap: wrap; font-size: .92rem; align-items: center; }
.navlinks a { color: var(--muted); }
.navlinks a:hover, .navlinks a.active { color: var(--text); }
.navlinks .portal { border: 1px solid var(--border); padding: .28rem .6rem; border-radius: .4rem; }
.btn {
  display: inline-block; background: var(--accent); color: #041018 !important;
  font-weight: 650; padding: .65rem 1.1rem; border-radius: .55rem; border: none;
  cursor: pointer; text-decoration: none !important; font-size: .95rem;
}
.btn:hover { filter: brightness(1.08); text-decoration: none !important; }
.btn.ghost { background: transparent; color: var(--text) !important; border: 1px solid var(--border); }
.btn.sm { padding: .4rem .7rem; font-size: .82rem; }
.hero { padding: 3.2rem 0 2rem; }
.hero h1 { font-size: clamp(1.75rem, 4vw, 2.65rem); line-height: 1.15; margin: 0 0 1rem; }
.hero p.lead { color: var(--muted); font-size: 1.1rem; max-width: 42rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: .85rem; padding: 1.25rem 1.35rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.tag {
  display: inline-block; font-size: .72rem; font-weight: 650; letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent2); background: rgba(34,197,94,.12);
  padding: .2rem .5rem; border-radius: .35rem; margin-bottom: .75rem;
}
section { padding: 1.25rem 0 2.25rem; }
h2 { font-size: 1.45rem; margin: 0 0 1rem; }
.muted { color: var(--muted); }
footer { border-top: 1px solid var(--border); padding: 2rem 0; margin-top: 1rem; color: var(--muted); font-size: .88rem; }
footer .foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
footer nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.5rem; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .65rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.pill { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; background: rgba(59,158,255,.15); color: var(--accent); }
.pill.warn { background: rgba(245,158,11,.15); color: var(--warn); }
.pill.ok { background: rgba(34,197,94,.15); color: var(--accent2); }
.banner {
  background: linear-gradient(135deg, #132447, #1a3358);
  border: 1px solid var(--border); border-radius: .85rem; padding: 1.25rem 1.4rem; margin: 1rem 0 1.5rem;
}
label { display: block; font-size: .85rem; color: var(--muted); margin: .75rem 0 .3rem; }
input, select, textarea {
  width: 100%; max-width: 480px; background: var(--bg2); border: 1px solid var(--border);
  color: var(--text); border-radius: .45rem; padding: .55rem .7rem; font: inherit;
}
.actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .35rem; }
.demo-note {
  font-size: .8rem; color: var(--warn); margin: 0 0 1rem; padding: .5rem .75rem;
  border: 1px dashed rgba(245,158,11,.4); border-radius: .45rem;
}
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step; position: relative; padding: .6rem 0 .6rem 2.6rem;
  border-bottom: 1px solid var(--border); color: var(--muted);
}
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: .55rem;
  width: 1.7rem; height: 1.7rem; border-radius: 50%;
  background: rgba(59,158,255,.15); color: var(--accent);
  display: grid; place-items: center; font-size: .8rem; font-weight: 700;
}
.toast {
  position: fixed; bottom: 1.2rem; right: 1.2rem; background: #12301f; color: #bbf7d0;
  border: 1px solid #166534; padding: .7rem 1rem; border-radius: .5rem;
  box-shadow: 0 8px 30px rgba(0,0,0,.35); display: none; z-index: 50;
}
.toast.show { display: block; }
@media (max-width: 640px) {
  table, thead, tbody, th, td, tr { display: block; }
  th { display: none; }
  td { border: 0; padding: .35rem 0; }
  tr { border-bottom: 1px solid var(--border); padding: .6rem 0; }
}