:root {
    --bg: #0b0f14;
    --card: #121922;
    --border: #1f2a37;
    --text: #e6edf3;
    --muted: #8b98a5;
    --accent: #3ddc97;
    --accent-2: #4cc9f0;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background:
    radial-gradient(900px 500px at 80% -10%, rgba(76,201,240,.12), transparent),
    radial-gradient(700px 400px at 0% 0%, rgba(61,220,151,.10), transparent),
    var(--bg);
    color: var(--text);
    line-height: 1.6;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }

header { padding: 5rem 0 2.5rem; text-align: center; }
.badge {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .3rem .8rem; border: 1px solid var(--border);
    border-radius: 999px; color: var(--muted); font-size: .85rem;
    background: rgba(18,25,34,.7);
}
.dot {
    width: .55rem; height: .55rem; border-radius: 50%;
    background: var(--accent); box-shadow: 0 0 10px var(--accent);
}
h1 {
    font-size: clamp(2.2rem, 6vw, 3.6rem);
    margin: 1.2rem 0 .5rem; letter-spacing: -.02em;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
header p { color: var(--muted); max-width: 36rem; margin: 0 auto; font-size: 1.1rem; }

.grid {
    display: grid; gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin: 2rem 0;
}
.card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.25rem;
}
.card h2 { margin: 0 0 .4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

section { margin: 2.5rem 0; }
section > h2 { font-size: 1.3rem; margin-bottom: .75rem; }

.conn { display: grid; gap: .5rem; }
.row {
    display: flex; justify-content: space-between; align-items: center;
    gap: 1rem; padding: .7rem 1rem; border-radius: 10px;
    background: var(--card); border: 1px solid var(--border);
}
.row span { color: var(--muted); }
code {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    color: var(--accent-2);
}
button {
    background: transparent; color: var(--text);
    border: 1px solid var(--border); border-radius: 8px;
    padding: .25rem .7rem; cursor: pointer; font-size: .8rem;
}
button:hover { border-color: var(--accent); color: var(--accent); }

pre {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 1rem; overflow-x: auto; margin: 0;
}

footer {
    text-align: center; color: var(--muted); font-size: .85rem;
    padding: 3rem 0 2rem; border-top: 1px solid var(--border); margin-top: 3rem;
}