:root{
  --bg:#070b14;
  --panel: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.12);
  --text:#eaf0ff;
  --muted: rgba(234,240,255,.74);
  --accent:#6ea8ff;
  --accent2:#9b7bff;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.bg{
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 10% 10%, rgba(110,168,255,.18), transparent 60%),
    radial-gradient(800px 450px at 85% 25%, rgba(155,123,255,.18), transparent 60%),
    radial-gradient(900px 550px at 50% 90%, rgba(110,255,214,.10), transparent 60%);
  pointer-events:none;
  z-index:-1;
}

.wrap{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 18px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(7,11,20,.55);
  border-bottom: 1px solid var(--border);
}

.topbar__content{
  height: 64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 800;
  letter-spacing: .3px;
}
.brand__logo{
  width: 36px;
  height: 36px;
  display:grid;
  place-items:center;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.brand__name{ opacity:.95; }

.pill{
  text-decoration:none;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.pill:hover{ filter: brightness(1.08); }

.hero{
  padding: 44px 0 24px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  align-items: start;
}

.hero__text h1{
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}
.accent{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__text p{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.hero__cta{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.btn{
  text-decoration:none;
  color: #081024;
  display:inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border-radius: 16px;
  font-weight: 900;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
  min-width: 210px;
}
.btn__sub{
  font-size: 12px;
  font-weight: 700;
  opacity: .75;
}
.btn--primary{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.btn:hover{ transform: translateY(-1px); }

.meta{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  flex: 1;
  min-width: 260px;
}
.meta__item{
  padding: 12px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.meta__k{
  display:block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 2px;
}
.meta__v{
  display:block;
  font-weight: 800;
}
.ok{ color: #8bffcd; }

.card{
  padding: 16px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}
.card__top{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  align-items:flex-start;
}
.card h2{
  margin: 0 0 4px;
  font-size: 18px;
}
.card p{ margin:0; color: var(--muted); }

.badge{
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(110,168,255,.16);
  border: 1px solid rgba(110,168,255,.35);
  font-weight: 800;
}

.checklist{
  list-style:none;
  padding: 0;
  margin: 14px 0 0;
  display:grid;
  gap: 10px;
}
.checklist li{
  padding: 12px;
  border-radius: 16px;
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.10);
}

.card__note{
  margin-top: 12px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(155,123,255,.12);
  border: 1px solid rgba(155,123,255,.30);
  color: rgba(234,240,255,.9);
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 10px 0 12px;
}

.panel{
  padding: 16px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
}
.panel h3{ margin: 0 0 10px; }
.panel p, .panel li, .panel ol{
  color: var(--muted);
  line-height: 1.6;
}
.small{ font-size: 12px; opacity: .8; }

.faq{
  padding: 12px 0 8px;
}
.faq h2{ margin: 10px 0 12px; }

details{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px 14px;
  margin: 10px 0;
}
summary{
  cursor:pointer;
  font-weight: 900;
}
details p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}
code{
  background: rgba(0,0,0,.28);
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.10);
}

.footer{
  padding: 18px 0 30px;
  color: var(--muted);
}
.footer__line{
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .meta{ grid-template-columns: 1fr; }
  .btn{ width: 100%; }
}