:root {
    color-scheme: dark;
    --bg: #061013;
    --panel: #0a171a;
    --panel-strong: #0c1d20;
    --line: rgba(115, 230, 155, 0.22);
    --line-strong: rgba(115, 230, 155, 0.48);
    --signal: #73e69b;
    --signal-bright: #a7f8bf;
    --text: #edf3ef;
    --muted: #a6b7b2;
    --quiet: #7d918b;
    --warning: #db9a5d;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(rgba(115, 230, 155, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(115, 230, 155, 0.018) 1px, transparent 1px),
        radial-gradient(circle at 76% 7%, rgba(58, 133, 91, 0.14), transparent 31rem),
        var(--bg);
    background-size: 34px 34px, 34px 34px, auto, auto;
}
body::before { position: fixed; inset: 0; z-index: 20; pointer-events: none; background: repeating-linear-gradient(to bottom, rgba(255,255,255,.012) 0 1px, transparent 1px 4px); content: ""; }
a { color: var(--signal-bright); }
a:focus-visible { outline: 3px solid var(--signal-bright); outline-offset: 4px; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 10px 14px; border: 1px solid var(--signal); border-radius: 3px; background: var(--bg); color: var(--signal-bright); font-weight: 800; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.about-masthead { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px clamp(22px, 5vw, 76px); border-bottom: 1px solid var(--line-strong); background: rgba(4, 13, 15, .93); box-shadow: 0 12px 38px rgba(0,0,0,.32); }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-signal { width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 7px var(--signal), 0 0 17px rgba(115,230,155,.54); }
.brand-wordmark { position: relative; color: var(--signal-bright); font-family: "Courier New", ui-monospace, monospace; font-size: clamp(1.25rem, 2.2vw, 1.72rem); font-weight: 900; letter-spacing: .15em; text-shadow: 0 0 8px rgba(115,230,155,.58); }
.brand-wordmark::after { position: absolute; inset: 0; color: rgba(167,248,191,.28); content: attr(data-text); transform: translate(1px,1px); clip-path: inset(48% 0 39% 0); }
.channel-label, .eyebrow, .card-index { color: var(--signal); font-family: "Courier New", ui-monospace, monospace; font-size: .72rem; font-weight: 800; letter-spacing: .14em; }
.channel-label { margin: 0; color: var(--muted); }

main { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: clamp(44px, 7vw, 94px) 0 56px; }
.about-hero { max-width: 950px; padding-bottom: clamp(54px, 8vw, 96px); }
.eyebrow { margin: 0 0 14px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: "Bahnschrift SemiCondensed", "Arial Narrow", "Segoe UI", sans-serif; text-transform: uppercase; }
h1 { max-width: 900px; margin-bottom: 28px; font-size: clamp(3rem, 7vw, 6.5rem); font-weight: 800; letter-spacing: -.035em; line-height: .92; }
h2 { margin-bottom: 0; font-size: clamp(1.9rem, 4vw, 3.4rem); letter-spacing: -.02em; line-height: 1; }
h3 { margin-bottom: 12px; font-size: 1.1rem; line-height: 1.3; }
.hero-summary { max-width: 820px; margin-bottom: 0; color: var(--muted); font-size: clamp(1.04rem, 1.8vw, 1.3rem); line-height: 1.72; }

.faq-section, .method-section, .official-links { padding: clamp(54px, 8vw, 94px) 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 780px; margin-bottom: 38px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.faq-card, .method-grid article { position: relative; padding: clamp(24px, 4vw, 38px); border: 1px solid var(--line); border-radius: 6px; background: linear-gradient(145deg, rgba(12,29,32,.96), rgba(7,18,20,.98)); box-shadow: 0 18px 42px rgba(0,0,0,.2); }
.faq-card::before, .method-grid article::before { position: absolute; top: 0; left: 0; width: 52px; height: 2px; background: var(--signal); content: ""; }
.faq-card-wide { grid-column: 1 / -1; }
.card-index { display: block; margin-bottom: 25px; }
.faq-card p, .method-grid p, .official-links > p { margin-bottom: 0; color: var(--muted); line-height: 1.72; }
.method-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.method-grid article:nth-child(3) { border-color: rgba(60,167,215,.36); }
.method-grid article:nth-child(4) { border-color: rgba(219,154,93,.36); }

.official-links { padding-right: clamp(20px, 5vw, 60px); padding-left: clamp(20px, 5vw, 60px); border: 1px solid var(--line-strong); background: linear-gradient(135deg, rgba(115,230,155,.06), transparent 55%), var(--panel-strong); }
.official-links > p { max-width: 840px; margin-top: 22px; }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.link-row a, .page-navigation a { padding: 11px 14px; border: 1px solid var(--line-strong); border-radius: 3px; background: rgba(3,11,13,.65); color: var(--signal-bright); font-family: "Courier New", ui-monospace, monospace; font-size: .77rem; font-weight: 800; text-decoration: none; }
.link-row a:hover, .page-navigation a:hover { border-color: var(--signal); box-shadow: 0 0 16px rgba(115,230,155,.12); }
.page-navigation { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 28px; }
.about-footer { padding: 24px clamp(22px, 5vw, 76px); border-top: 1px solid var(--line); color: var(--signal); font-family: "Courier New", ui-monospace, monospace; font-size: .78rem; }
.about-footer p { margin: 0; }

@media (max-width: 760px) {
    .channel-label { display: none; }
    .faq-grid, .method-grid { grid-template-columns: 1fr; }
    .faq-card-wide { grid-column: auto; }
}
@media (max-width: 520px) {
    main { width: min(100% - 28px, 1180px); padding-top: 36px; }
    .about-masthead { min-height: 86px; padding: 18px; }
    .faq-card, .method-grid article { padding: 22px; }
    .official-links { padding: 28px 22px; }
    .link-row, .page-navigation { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
