/* 2026 grit-tooth coating: blasted steel, hull paint chip, dew cold-blue */
:root {
  --steel: #1b1d20;
  --panel: #272b30;
  --grit: #8a9096;
  --paint: #c45a2a;
  --dew: #6ec3e0;
  --ink: #e8eaed;
  --mute: #9aa0a6;
  --hot: #d45a4a;
  --line: rgba(138, 144, 150, 0.28);
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 68px; }

body { margin: 0; background: var(--steel); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
code { font-family: var(--mono); color: var(--dew); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--dew); color: #111; padding: 8px 12px; }

.blast-bar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 22px; background: rgba(27, 29, 32, 0.94);
  border-bottom: 3px solid var(--paint);
}
.brand { font-weight: 700; }
.brand small { display: block; font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--mute); }
.blast-links { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.blast-links a { font-size: 13px; color: var(--mute); }
.blast-links a.is-active, .blast-links a:hover { color: var(--dew); }
.blast-links .live { background: var(--paint); color: #fff; padding: 6px 12px; font-weight: 700; }
.nav-toggle { display: none; background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 6px 10px; }

.hero { position: relative; min-height: 88vh; display: grid; align-items: end; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(27,29,32,0.2), rgba(27,29,32,0.92) 78%); }
.hero-copy { position: relative; z-index: 2; padding: 40px 8vw 48px; max-width: 960px; }

.kicker { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--dew); margin: 0 0 8px; }
h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }

.dew { margin: 20px 0; padding: 12px 14px; background: rgba(39, 43, 48, 0.9); border-left: 6px solid var(--hot); }
.dew.ok { border-left-color: #5a9e6a; }
.dew span { font-size: 13px; color: var(--mute); }
.dew strong { display: block; margin: 4px 0; }
.dew p { margin: 0; color: var(--mute); font-size: 14px; }

.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; padding: 10px 16px; border: 1px solid var(--line); background: transparent; color: var(--ink); font-size: 14px; }
.btn.fill { background: var(--paint); color: #fff; border-color: var(--paint); font-weight: 700; }

.wrap { width: min(1100px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
.quiet { color: var(--mute); max-width: 68ch; }
.steel { background: #15171a; }

.tri { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.tri article { background: var(--panel); padding: 20px; border: 1px solid var(--line); }
.tri .warn { border-color: var(--hot); }
.tri ul { margin: 0; padding-left: 1.1em; }

.zone { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; margin: 48px 0; }
.zone.flip { direction: rtl; }
.zone.flip > * { direction: ltr; }
.num { font-family: var(--mono); color: var(--paint); font-size: 12px; letter-spacing: 0.12em; }
figure { margin: 0; }
figcaption { font-size: 13px; color: var(--mute); margin-top: 8px; }
.wide { margin-top: 24px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.grid2 article { background: var(--panel); padding: 18px 20px; border-top: 3px solid var(--grit); }

.rules { padding-left: 1.2em; }
.rules li { margin: 8px 0; }
.keys { display: grid; gap: 1px; background: var(--line); margin-top: 16px; }
.keys div { display: grid; grid-template-columns: 140px 1fr; gap: 12px; padding: 12px 16px; background: var(--panel); }
.keys span { color: var(--mute); }

footer { border-top: 3px solid var(--paint); background: #111214; }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 24px 0; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .blast-links { display: none; position: absolute; top: 52px; left: 12px; right: 12px; flex-direction: column; background: var(--panel); border: 1px solid var(--line); padding: 12px; }
  .blast-links.open { display: flex; }
  .tri, .zone, .grid2 { grid-template-columns: 1fr; }
  .zone.flip { direction: ltr; }
  .keys div { grid-template-columns: 1fr; }
  .foot { flex-direction: column; align-items: flex-start; }
  .hero { min-height: 0; }
  .hero-copy { padding: 32px 20px; }
}