:root {
    --bg: #08111a;
    --panel: #12212f;
    --panel-2: #0f1c28;
    --text: #eaf2f8;
    --muted: #9fb4c4;
    --a1: #22d3ee;
    --a2: #2dd4bf;
    --a3: #6366f1;
    --border: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-text-size-adjust: 100%;
}

a { color: var(--a1); }

.topbar {
    position: sticky;
    top: 0;
    background: rgba(8, 17, 26, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(34, 211, 238, 0.2);
    padding: 1rem 1.5rem;
    z-index: 20;
}

.topbar .inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.brand {
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--a1), var(--a2), var(--a3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.topnav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: 1.25rem;
}

.topnav a:hover { color: var(--a1); }

.wrap { max-width: 820px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }

.crumb { color: var(--muted); font-size: 0.85rem; margin-bottom: 1.25rem; }
.crumb a { color: var(--a1); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

h1 { font-family: 'Sora', sans-serif; font-size: clamp(1.9rem, 5vw, 2.6rem); margin-bottom: 0.5rem; line-height: 1.15; }
.lead { color: var(--muted); font-size: 1.15rem; margin-bottom: 2rem; }

h2 { font-family: 'Sora', sans-serif; font-size: 1.4rem; margin: 2.6rem 0 0.8rem; color: var(--a1); }
h3 { font-family: 'Sora', sans-serif; font-size: 1.1rem; margin: 1.6rem 0 0.5rem; }
p { margin-bottom: 1rem; }
ul, ol { margin: 0 0 1rem 1.4rem; }
li { margin-bottom: 0.5rem; }
strong { color: #fff; }

.step {
    background: var(--panel);
    border: 1px solid var(--border);
    border-left: 4px solid var(--a1);
    border-radius: 14px;
    padding: 1.5rem 1.6rem;
    margin-bottom: 1.25rem;
}
.step h3 { margin: 0 0 0.5rem; color: var(--text); }
.step .num { font-family: 'Sora', sans-serif; color: var(--a2); font-weight: 800; margin-right: 0.5rem; }
.step p:last-child { margin-bottom: 0; }

.callout {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.1rem 1.3rem;
    margin: 1.5rem 0;
    color: var(--muted);
}
.callout strong { color: var(--a2); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.card {
    display: block;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--a1); }
.card h3 { font-family: 'Sora', sans-serif; color: var(--a1); margin: 0 0 0.5rem; }
.card p { color: var(--muted); margin: 0; }
.card .arrow { color: var(--a1); font-weight: 600; display: inline-block; margin-top: 0.9rem; font-size: 0.95rem; }

.toc {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.4rem;
    margin-bottom: 2.5rem;
}
.toc h2 { margin: 0 0 0.6rem; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.toc a { display: block; color: var(--a1); text-decoration: none; margin-bottom: 0.4rem; font-size: 0.98rem; }
.toc a:hover { text-decoration: underline; }

.faq-q { font-family: 'Sora', sans-serif; font-weight: 600; color: var(--text); font-size: 1.1rem; margin: 2rem 0 0.5rem; }

.next {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.5rem;
}
.next a {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.6rem 1.25rem;
    text-decoration: none;
    color: var(--a1);
    font-weight: 600;
    font-size: 0.95rem;
}
.next a:hover { border-color: var(--a1); }

footer {
    max-width: 820px;
    margin: 3rem auto 0;
    padding: 1.5rem 1.25rem 3rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.9rem;
}
footer a { color: var(--a1); text-decoration: none; }
footer a:hover { text-decoration: underline; }

.pill { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #04222b; background: linear-gradient(135deg, var(--a1), var(--a2)); padding: 0.15rem 0.55rem; border-radius: 999px; vertical-align: middle; margin-left: 0.4rem; }