:root {
  --bg: #060912;
  --bg2: #0d1526;
  --card: #121e33;
  --text: #eef4ff;
  --muted: #9eb0d4;
  --accent: #61eaff;
  --accent2: #8f6bff;
  --ok: #44e0a8;
  --warn: #ffd166;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% -5%, rgba(143,107,255,.25), transparent 60%),
    radial-gradient(700px 420px at -5% 10%, rgba(97,234,255,.14), transparent 55%),
    linear-gradient(180deg, #0b1220, var(--bg));
}
.container { width: min(1100px, 92%); margin: 0 auto; }
.hero { padding: 4.2rem 0 2rem; }
.hero h1 { margin: 0 0 .8rem; font-size: clamp(2rem, 6vw, 4.2rem); line-height: 1.05; }
.glow { color: var(--accent); text-shadow: 0 0 24px rgba(97,234,255,.45); }
.lead { color: var(--muted); line-height: 1.65; max-width: 820px; }
.notice { border-left: 4px solid var(--ok); padding: .9rem 1rem; background: rgba(68,224,168,.1); border-radius: 10px; }
.notice.warn { border-left-color: var(--warn); background: rgba(255,209,102,.08); }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 1.3rem 0 2rem; }
.card {
  background: linear-gradient(180deg, rgba(20,33,57,.95), rgba(15,26,46,.95));
  border: 1px solid #273f67;
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: 0 12px 30px rgba(0,0,0,.2);
}
.card h2, .card h3 { margin-top: .2rem; }
.row { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; }
button, .btn {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border: 0;
  color: #081426;
  font-weight: 800;
  padding: .8rem 1.05rem;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform .08s ease;
}
button:hover, .btn:hover { transform: translateY(-1px); }
.muted { color: var(--muted); }
.small { font-size: .92rem; }
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: #071327;
  border: 1px solid #24406a;
  border-radius: 10px;
  padding: .7rem;
  white-space: pre-wrap;
  word-break: break-word;
  display: block;
  margin-top: .35rem;
}
ul, ol { line-height: 1.6; }
hr { border-color: #2a426b; opacity: .6; }
footer { padding: 2rem 0 3rem; color: var(--muted); }
.badge {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #8ddcff;
  border: 1px solid #2f547f;
  border-radius: 999px;
  padding: .3rem .65rem;
  margin-bottom: .8rem;
}
.hidden { display: none; }
.hero-success {
  padding: 4.5rem 0 1rem;
  text-align: center;
}
.hero-success h1 { font-size: clamp(2.2rem, 7vw, 4.6rem); margin: 0 0 .8rem; }
.pulse {
  display: inline-block;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 rgba(68,224,168,.8);
  animation: pulse 1.5s infinite;
  margin-right: .5rem;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(68,224,168,.7); }
  70% { box-shadow: 0 0 0 11px rgba(68,224,168,0); }
  100% { box-shadow: 0 0 0 0 rgba(68,224,168,0); }
}