511 lines
16 KiB
CSS
511 lines
16 KiB
CSS
/* Keru OS website — Ryoku-style.
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Pure-black paper, warm bone ink, one vermillion accent.
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Radius 0. No shadow. Flat hairline surfaces. Monospace tech labels.
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Animations are loud enough to feel alive, flat enough to stay cool. */
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@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');
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:root {
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--paper: #000000; /* pure black paper */
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--paper-2: #0d0d0d; /* raised surface */
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--paper-3: #131313; /* cards */
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--hair: #262626; /* hairline borders */
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--ink: #cdc4ba; /* warm bone ink — body */
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--ink-dim: #8b8275; /* subdued ink */
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--ink-faint: #5b5348; /* farthest faded */
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--bone: #f2ede4; /* bright ink, emphasis */
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--accent: #ff3b1f; /* vermillion — the single accent */
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--ok: #58e1c2;
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--warn: #f0a35e;
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--danger: #ff3b1f;
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--mono: 'JetBrains Mono', ui-monospace, monospace;
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--sans: 'Inter', system-ui, -apple-system, sans-serif;
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--radius: 0; /* sharp. always. */
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--nav-h: 60px;
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}
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* { margin: 0; padding: 0; box-sizing: border-box; }
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::selection { background: var(--accent); color: #000; }
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html { scroll-behavior: smooth; }
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body {
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background: var(--paper);
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color: var(--ink);
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font-family: var(--sans);
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line-height: 1.65;
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-webkit-font-smoothing: antialiased;
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overflow-x: hidden;
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}
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/* faint scanline texture — a taste of grain, no image */
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body::before {
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content: "";
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position: fixed;
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inset: 0;
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z-index: -1;
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background:
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repeating-linear-gradient(180deg, transparent 0 3px, rgba(255,255,255,.008) 3px 4px);
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pointer-events: none;
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}
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a { color: var(--ink); text-decoration: none; }
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a:hover { color: var(--bone); }
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/* ---------- top nav ---------- */
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nav.top {
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position: sticky;
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top: 0;
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z-index: 100;
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height: var(--nav-h);
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background: rgba(0,0,0,.9);
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backdrop-filter: blur(8px);
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border-bottom: 1px solid var(--hair);
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display: flex;
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align-items: center;
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padding: 0 26px;
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gap: 4px;
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}
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.brand {
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font-family: var(--mono);
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font-weight: 700;
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color: var(--bone);
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font-size: 1rem;
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letter-spacing: .02em;
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margin-right: auto;
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display: flex;
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align-items: center;
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gap: 9px;
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}
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.brand .kanji {
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color: var(--accent);
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font-size: 1.15rem;
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text-shadow: 0 0 14px rgba(255,59,31,.55);
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}
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.brand:hover { text-decoration: none; }
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nav.top a.navlink {
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color: var(--ink-dim);
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font-family: var(--mono);
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text-transform: uppercase;
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font-size: .72rem;
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letter-spacing: .12em;
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padding: 6px 10px;
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border: 1px solid transparent;
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transition: color .15s, border-color .15s, background .15s;
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}
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nav.top a.navlink:hover {
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color: var(--bone);
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border-color: var(--hair);
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background: var(--paper-2);
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text-decoration: none;
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}
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.menu-toggle { display: none; }
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/* ---------- hero ---------- */
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.hero { padding: 84px 26px 54px; text-align: center; }
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.kicker {
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display: inline-flex;
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align-items: center;
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gap: 10px;
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font-family: var(--mono);
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color: var(--ink-dim);
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text-transform: uppercase;
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font-size: .72rem;
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letter-spacing: .22em;
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border: 1px solid var(--hair);
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background: var(--paper-2);
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padding: 5px 14px;
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}
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.kicker .dot {
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width: 7px; height: 7px; background: var(--accent);
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animation: pulse 1.6s infinite;
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}
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.kicker .dot.dim { background: var(--ink-faint); }
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.hero .seal {
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font-size: 5rem;
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line-height: 1;
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color: var(--bone);
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user-select: none;
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display: block;
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margin: 18px auto 6px;
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animation: fadeUp .7s ease both;
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}
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.hero h1 {
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font-family: var(--mono);
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font-size: clamp(1.6rem, 4vw, 2.6rem);
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font-weight: 700;
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line-height: 1.1;
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color: var(--bone);
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letter-spacing: .02em;
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margin: 14px auto 16px;
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text-transform: uppercase;
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}
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.hero h1 .grad { color: var(--accent); }
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.hero p.sub { color: var(--ink-dim); max-width: 620px; margin: 0 auto 30px; font-size: 1rem; }
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.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
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.btn {
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display: inline-flex;
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align-items: center;
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gap: 10px;
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font-family: var(--mono);
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text-transform: uppercase;
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letter-spacing: .1em;
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font-size: .78rem;
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font-weight: 700;
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padding: 12px 22px;
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border: 1px solid var(--ink-dim);
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color: var(--bone);
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transition: color .15s, background .15s, border-color .15s, transform .1s;
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}
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.btn:hover { text-decoration: none; }
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.btn-primary { background: var(--accent); border-color: var(--accent); color: #000; }
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.btn-primary:hover { background: #000; color: var(--accent); }
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.btn-ghost { background: transparent; color: var(--ink-dim); }
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.btn-ghost:hover { background: var(--paper-2); color: var(--bone); border-color: var(--accent); }
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/* ---------- marquee ticker ---------- */
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.ticker {
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overflow: hidden;
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border-top: 1px solid var(--hair);
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border-bottom: 1px solid var(--hair);
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padding: 13px 0;
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background: var(--paper-2);
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white-space: nowrap;
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}
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.ticker-inner {
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display: inline-block;
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animation: ticker 32s linear infinite;
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font-family: var(--mono);
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font-size: .8rem;
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text-transform: uppercase;
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letter-spacing: .1em;
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color: var(--ink-faint);
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}
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.ticker-inner span { margin: 0 26px; }
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.ticker-inner b { color: var(--bone); font-weight: 500; }
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.ticker-inner .a { color: var(--accent); }
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/* ---------- sections ---------- */
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section { padding: 54px 26px; }
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.wrap { max-width: 1080px; margin: 0 auto; }
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.section-title {
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font-family: var(--mono);
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text-transform: uppercase;
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letter-spacing: .2em;
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font-size: .7rem;
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color: var(--accent);
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margin-bottom: 10px;
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}
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.section-title::before { content: "// "; opacity: .6; }
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h2.head {
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font-family: var(--mono);
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font-size: clamp(1.25rem, 3vw, 1.9rem);
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color: var(--bone);
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font-weight: 700;
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margin-bottom: 12px;
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text-transform: uppercase;
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letter-spacing: .02em;
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}
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.lead { color: var(--ink-dim); font-size: 1rem; max-width: 720px; margin-bottom: 28px; }
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.grid { display: grid; gap: 18px; }
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.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
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.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
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.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
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.card {
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background: var(--paper-2);
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border: 1px solid var(--hair);
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padding: 20px;
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position: relative;
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transition: border-color .15s, transform .1s, background .15s;
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}
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.card::before {
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content: "";
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position: absolute;
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left: 0; top: 0; bottom: 0;
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width: 2px;
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background: var(--accent);
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transform: scaleY(0);
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transform-origin: top;
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transition: transform .25s cubic-bezier(.2,.8,.2,1);
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}
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.card:hover { border-color: var(--accent); background: var(--paper-3); transform: translateY(-2px); }
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.card:hover::before { transform: scaleY(1); }
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.card.h {
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font-family: var(--mono);
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font-size: 1rem;
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text-transform: uppercase;
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letter-spacing: .06em;
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color: var(--bone);
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margin-bottom: 8px;
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}
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.card p { color: var(--ink-dim); font-size: .92rem; }
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.card .num {
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font-family: var(--mono);
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font-size: .68rem;
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letter-spacing: .14em;
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text-transform: uppercase;
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color: var(--accent);
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border: 1px solid var(--hair);
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padding: 2px 8px;
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display: inline-block;
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margin-bottom: 10px;
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}
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a.card { color: inherit; }
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a.card:hover { text-decoration: none; }
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/* ---------- terminal / code ---------- */
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.terminal {
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background: #050505;
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border: 1px solid var(--hair);
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overflow: hidden;
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text-align: left;
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margin: 0 auto;
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max-width: 660px;
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}
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.terminal .tbar {
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background: var(--paper-2);
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padding: 9px 12px;
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display: flex;
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gap: 6px;
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align-items: center;
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border-bottom: 1px solid var(--hair);
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}
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.terminal .tbar span.dot { width: 9px; height: 9px; display: inline-block; }
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.terminal .tbar .r { background: var(--danger); }
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.terminal .tbar .y { background: var(--warn); }
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.terminal .tbar .g { background: var(--ok); }
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.terminal .tbar .t {
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margin-left: 10px;
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font-family: var(--mono);
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font-size: .72rem;
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color: var(--ink-faint);
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text-transform: uppercase;
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letter-spacing: .1em;
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}
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.terminal pre { padding: 18px; overflow-x: auto; font-family: var(--mono); font-size: .84rem; line-height: 1.75; color: var(--ink); }
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.terminal .c { color: var(--accent); }
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.terminal .k { color: var(--bone); }
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.terminal .p { color: var(--ink-faint); }
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pre, code, kbd { font-family: var(--mono); }
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.code-block {
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background: #050505;
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border: 1px solid var(--hair);
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border-left: 3px solid var(--accent);
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padding: 18px;
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overflow-x: auto;
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margin: 18px 0;
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font-size: .84rem;
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line-height: 1.7;
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color: var(--ink);
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}
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code:not(.code-block) {
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background: var(--paper-2);
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border: 1px solid var(--hair);
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padding: 2px 6px;
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font-size: .85em;
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color: var(--accent);
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}
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kbd {
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background: var(--paper-2);
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border: 1px solid var(--hair);
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border-bottom-width: 2px;
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padding: 1px 6px;
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font-size: .8em;
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}
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/* ---------- prose ---------- */
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.prose { max-width: 760px; margin: 0 auto; }
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.prose h3 {
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font-family: var(--mono);
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text-transform: uppercase;
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letter-spacing: .04em;
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color: var(--bone);
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font-size: 1.1rem;
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margin: 32px 0 10px;
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font-weight: 700;
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}
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.prose h3::before { content: "# "; color: var(--accent); }
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.prose h4 { color: var(--accent); margin: 22px 0 8px; font-size: .95rem; font-family: var(--mono); }
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.prose p { margin: 12px 0; color: var(--ink); }
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.prose ul, .prose ol { margin: 12px 0 12px 22px; }
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.prose li { margin: 6px 0; color: var(--ink); }
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.prose li::marker { color: var(--accent); }
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.prose blockquote {
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border-left: 3px solid var(--accent);
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background: var(--paper-2);
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padding: 14px 18px;
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margin: 18px 0;
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color: var(--ink-dim);
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}
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.prose blockquote strong { color: var(--bone); }
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.prose hr { border: none; border-top: 1px solid var(--hair); margin: 30px 0; }
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table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: .92rem; }
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th, td { border: 1px solid var(--hair); padding: 9px 12px; text-align: left; }
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th { background: var(--paper-2); color: var(--bone); font-family: var(--mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
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tr:nth-child(even) td { background: rgba(255,255,255,.02); }
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/* tags / callouts */
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.tag {
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display: inline-block;
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font-family: var(--mono);
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font-size: .66rem;
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letter-spacing: .12em;
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text-transform: uppercase;
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padding: 2px 9px;
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border: 1px solid var(--hair);
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color: var(--ink-dim);
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margin: 2px 4px 2px 0;
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}
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.tag.warn { color: var(--warn); border-color: var(--warn); }
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.tag.danger { color: var(--danger); border-color: var(--danger); }
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.tag.ok { color: var(--ok); border-color: var(--ok); }
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.tag.accent { color: var(--accent); border-color: var(--accent); }
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.callout {
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border: 1px solid var(--hair);
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border-left: 3px solid var(--accent);
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background: var(--paper-2);
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padding: 14px 18px;
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margin: 18px 0;
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}
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.callout.warn { border-left-color: var(--warn); }
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.callout.danger { border-left-color: var(--danger); }
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.callout.ok { border-left-color: var(--ok); }
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.features { list-style: none; margin: 0; }
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.features li { padding: 9px 0; border-bottom: 1px solid var(--hair); display: flex; gap: 12px; color: var(--ink); }
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.features li::before { content: "▸"; color: var(--accent); }
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/* ---------- news ---------- */
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.post-list { max-width: 820px; margin: 0 auto; }
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.post-item {
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display: block;
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background: var(--paper-2);
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border: 1px solid var(--hair);
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padding: 20px 22px;
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margin-bottom: 14px;
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transition: border-color .15s, transform .1s;
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}
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.post-item:hover { transform: translateX(4px); border-color: var(--accent); text-decoration: none; }
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.post-item h3 { color: var(--bone); font-family: var(--mono); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px; }
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.post-item .meta { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
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.post-item p { color: var(--ink-dim); font-size: .92rem; }
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/* ---------- footer ---------- */
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footer { border-top: 1px solid var(--hair); background: var(--paper-2); padding: 38px 26px 30px; margin-top: 40px; }
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footer .wrap { display: flex; gap: 34px; flex-wrap: wrap; justify-content: space-between; }
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footer h4 { color: var(--bone); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; margin-bottom: 12px; }
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footer h4::before { content: "// "; color: var(--accent); }
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footer ul { list-style: none; }
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footer li { margin: 6px 0; }
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footer a { color: var(--ink-dim); }
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footer a:hover { color: var(--bone); text-decoration: none; }
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footer .foot {
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margin-top: 28px;
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padding-top: 18px;
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border-top: 1px solid var(--hair);
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font-family: var(--mono);
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font-size: .72rem;
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color: var(--ink-faint);
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text-align: center;
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text-transform: uppercase;
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letter-spacing: .12em;
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}
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footer .marks { color: var(--accent); }
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/* ---------- stats ---------- */
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.stats { display: flex; gap: 30px; flex-wrap: wrap; justify-content: center; margin: 22px 0; }
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.stat { text-align: center; border: 1px solid var(--hair); padding: 18px 26px; background: var(--paper-2); min-width: 150px; }
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.stat .big { font-family: var(--mono); font-size: 2.2rem; font-weight: 700; color: var(--bone); }
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.stat .lbl { color: var(--ink-faint); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; font-family: var(--mono); }
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/* dossier block (Ryoku-style system sheet) */
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.dossier {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 1px;
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background: var(--hair);
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border: 1px solid var(--hair);
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margin: 26px auto;
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max-width: 680px;
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text-align: left;
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}
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.dossier .row {
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background: var(--paper-2);
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padding: 12px 18px;
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font-family: var(--mono);
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font-size: .78rem;
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display: flex;
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justify-content: space-between;
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gap: 16px;
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}
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.dossier .row .lbl { color: var(--ink-faint); text-transform: uppercase; letter-spacing: .1em; }
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.dossier .row .val { color: var(--bone); text-align: right; }
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.dossier .row .val.a { color: var(--accent); }
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/* ---------- animations ---------- */
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@keyframes fadeUp {
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from { opacity: 0; transform: translateY(14px); }
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to { opacity: 1; transform: translateY(0); }
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}
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@keyframes fadeLeft {
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from { opacity: 0; transform: translateX(-14px); }
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to { opacity: 1; transform: translateX(0); }
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}
|
|
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
|
|
@keyframes blink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0; } }
|
|
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
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|
@keyframes sweep {
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|
0% { background-position: -200% 0; }
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|
100% { background-position: 200% 0; }
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|
}
|
|
|
|
.reveal { animation: fadeUp .6s ease both; }
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|
.d1 { animation-delay: .08s; }
|
|
.d2 { animation-delay: .16s; }
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|
.d3 { animation-delay: .24s; }
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|
.d4 { animation-delay: .32s; }
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|
.d5 { animation-delay: .40s; }
|
|
|
|
/* blinking caret after brand */
|
|
.caret { display: inline-block; width: 8px; height: 1em; background: var(--accent); margin-left: 2px; vertical-align: -0.15em; animation: blink 1.1s infinite; }
|
|
|
|
/* accent headline underline sweep on hover */
|
|
.head { background: linear-gradient(90deg, var(--accent), var(--accent), var(--accent)) no-repeat;
|
|
background-size: 0% 2px; background-position: 0 100%; transition: background-size .3s ease; }
|
|
.head:hover { background-size: 100% 2px; }
|
|
|
|
/* text flicker on the kanji seal */
|
|
.seal { animation: flicker 4s infinite; }
|
|
@keyframes flicker {
|
|
0%,100% { opacity: 1; }
|
|
92% { opacity: 1; } 93% { opacity: .4; } 94% { opacity: 1; }
|
|
}
|
|
|
|
/* ---------- pagehead ---------- */
|
|
.pagehead { padding: 64px 26px 30px; text-align: center; }
|
|
.pagehead h1 { font-family: var(--mono); text-transform: uppercase; letter-spacing: .02em; color: var(--bone); font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; }
|
|
.pagehead p { color: var(--ink-dim); max-width: 620px; margin: 12px auto 0; }
|
|
.crumbs { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .12em; max-width: 760px; margin: 18px auto 0; }
|
|
.crumbs a { color: var(--ink-dim); }
|
|
.crumbs a:hover { color: var(--accent); }
|
|
.crumbs span { color: var(--accent); }
|
|
|
|
/* responsive */
|
|
@media (max-width: 720px) {
|
|
nav.top { padding: 0 14px; }
|
|
nav.top a.navlink { display: none; }
|
|
.menu-toggle { display: inline-flex; }
|
|
.hero { padding: 56px 18px 34px; }
|
|
section { padding: 38px 18px; }
|
|
footer .wrap { gap: 20px; }
|
|
.dossier { grid-template-columns: 1fr; }
|
|
} |