:root { color-scheme: dark; }

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0b0b0b;
  color: #eaeaea;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 20px;
}

.hero { margin-bottom: 22px; }

.brand {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  font-weight: 600;
  letter-spacing: 0.2px;
  margin-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.1;
}

.sub {
  margin: 10px 0 0;
  max-width: 68ch;
  opacity: .8;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.card {
  grid-column: span 12;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
  border-radius: 16px;
  padding: 16px 16px;
}

@media (min-width: 860px) {
  .card { grid-column: span 4; }
}

h2 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: .2px;
}

p { margin: 0; opacity: .85; line-height: 1.55; }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.form { display: flex; gap: 10px; margin-top: 12px; }
input {
  flex: 1;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  padding: 10px 12px;
  color: #eaeaea;
  outline: none;
}
input::placeholder { color: rgba(234,234,234,.55); }

button {
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.10);
  color: #eaeaea;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}
button:hover { background: rgba(255,255,255,.14); }

.note { margin-top: 10px; font-size: 12px; opacity: .6; }

.foot {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin-top: 26px;
  font-size: 13px;
  opacity: .7;
}

.sep { opacity: .35; }
.muted { opacity: .65; }