/* OTASEC — OT Asset Security */
:root {
  --bg: #f5f4ef;
  --surface: #ffffff;
  --ink: #111820;
  --ink-2: #2b3540;
  --muted: #5d6874;
  --line: #e1dfd7;
  --line-2: #ecebe5;
  --accent: #b45309;
  --accent-ink: #92400e;
  --accent-soft: #fdf3e2;
  --focus: #2563eb;
  --c-advisory: #b45309;
  --c-incident: #c0262d;
  --c-threat: #7c3aed;
  --c-regulation: #1d5fbf;
  --c-research: #0f766e;
  --c-industry: #5d6874;
  --c-guidance: #3f7d20;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1117;
    --surface: #121a22;
    --ink: #e8ecf0;
    --ink-2: #c9d1d9;
    --muted: #8f9ba7;
    --line: #222c37;
    --line-2: #1a232c;
    --accent: #f59e0b;
    --accent-ink: #fbbf24;
    --accent-soft: #2a1f0d;
    --focus: #60a5fa;
    --c-advisory: #f59e0b;
    --c-incident: #f2555b;
    --c-threat: #a78bfa;
    --c-regulation: #5b9cf5;
    --c-research: #2dd4bf;
    --c-industry: #8f9ba7;
    --c-guidance: #7cc45a;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 12px; }

/* Masthead */
.masthead { border-bottom: 1px solid var(--line); background: var(--surface); position: sticky; top: 0; z-index: 5; }
.masthead__inner { display: flex; align-items: center; gap: 24px; min-height: 60px; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark { width: 24px; height: 24px; color: var(--accent); align-self: center; }
.brand__name { font-weight: 800; letter-spacing: .08em; font-size: 1.08rem; }
.brand__exp { color: var(--muted); font-size: .82rem; letter-spacing: .02em; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; padding: 6px 10px; border-radius: 6px; color: var(--ink-2); font-size: .94rem; }
.nav a:hover { background: var(--line-2); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.langs { display: flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; font: 600 .78rem/1 var(--mono); }
.langs a, .langs span { padding: 6px 9px; text-decoration: none; }
.langs__on { background: var(--ink); color: var(--surface); }
.langs a { color: var(--muted); }
.langs a:hover { background: var(--line-2); color: var(--ink); }

main.wrap { padding: 32px 20px 56px; }

/* Briefing panel */
.brief {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px 28px 22px;
  margin-bottom: 36px;
}
.eyebrow { margin: 0 0 8px; font: 600 .78rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--accent-ink); display: flex; align-items: center; gap: 8px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }
.brief__title { font-size: clamp(1.45rem, 2.6vw, 2rem); line-height: 1.2; margin: 0 0 10px; letter-spacing: -.01em; text-wrap: balance; }
.brief__title a { text-decoration: none; }
.brief__intro { margin: 0 0 16px; color: var(--ink-2); max-width: 70ch; font-size: 1.04rem; }
.brief__list { margin: 0 0 14px; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 2px; }
.brief__list li { counter-increment: s; display: flex; align-items: baseline; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line-2); }
.brief__list li::before { content: counter(s, decimal-leading-zero); font: 600 .78rem var(--mono); color: var(--muted); min-width: 1.6em; }
.brief__list a { text-decoration: none; font-weight: 550; flex: 1; }
.cta { font-weight: 600; color: var(--accent-ink); text-decoration: none; }
.cta:hover { text-decoration: underline; }
.pill { display: inline-block; font: 600 .72rem/1 var(--mono); padding: 4px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); white-space: nowrap; }
.pill--x { background: var(--line-2); color: var(--ink-2); }

/* Feed */
.feed__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.feed__head h2 { margin: 0; font-size: 1.3rem; }
.feed__head p { margin: 0; font-size: .92rem; }

.filters { display: grid; gap: 10px; margin: 0 0 8px; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.filters input[type="search"], .filters select {
  font: inherit; font-size: .94rem; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 11px; min-width: 0;
}
.filters input[type="search"] { width: 100%; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font: 500 .84rem/1 var(--sans); color: var(--ink-2); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 11px; cursor: pointer;
}
.chip:hover { border-color: var(--muted); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.selects { display: flex; gap: 8px; flex-wrap: wrap; }
.selects select { flex: 1 1 180px; }

.items { list-style: none; margin: 0; padding: 0; }
.item { display: grid; grid-template-columns: 132px 1fr; gap: 18px; padding: 16px 4px; border-bottom: 1px solid var(--line); }
.item__meta { display: flex; flex-direction: column; gap: 3px; font-size: .8rem; color: var(--muted); padding-top: 3px; }
.item__meta time { font-family: var(--mono); color: var(--ink-2); }
.item__source { font-weight: 600; }
.item__title { margin: 0 0 4px; font-size: 1.04rem; line-height: 1.35; font-weight: 620; text-wrap: pretty; }
.item__title a { text-decoration: none; }
.item__title a:hover { text-decoration: underline; }
.item__summary { margin: 0 0 8px; color: var(--ink-2); font-size: .94rem; max-width: 75ch; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; list-style: none; margin: 0; padding: 0; }
.tag { font-size: .74rem; line-height: 1; padding: 4px 7px; border-radius: 5px; background: var(--line-2); color: var(--ink-2); white-space: nowrap; }
.tag--cat { font-weight: 600; background: transparent; border: 1px solid currentColor; padding: 3px 6px; }
.tag--advisory { color: var(--c-advisory); } .tag--incident { color: var(--c-incident); }
.tag--threat { color: var(--c-threat); } .tag--regulation { color: var(--c-regulation); }
.tag--research { color: var(--c-research); } .tag--industry { color: var(--c-industry); }
.tag--guidance { color: var(--c-guidance); }
.tag--cve { font-family: var(--mono); }
.tag--vendor { font-weight: 600; }
.tag--x { background: transparent; color: var(--muted); padding-left: 0; }
.empty { color: var(--muted); padding: 24px 4px; }
.group { margin: 2px 0 8px; font-size: .92rem; }
.group summary { cursor: pointer; color: var(--accent-ink); font-weight: 600; width: fit-content; }
.group__list { margin: 8px 0 0; padding-left: 18px; display: grid; gap: 4px; color: var(--ink-2); }
.group__list a { text-decoration: none; }
.group__list a:hover { text-decoration: underline; }
.srcs__more { font: 600 .78rem var(--mono); color: var(--muted); }
.more { text-align: center; margin: 22px 0 0; }
.btn { font: 600 .92rem var(--sans); padding: 10px 18px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
.btn:hover { border-color: var(--muted); }

/* Articles (briefing, about, archive) */
.article { max-width: 760px; }
.article__title { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.18; margin: 0 0 12px; letter-spacing: -.012em; text-wrap: balance; }
.article__intro { font-size: 1.12rem; color: var(--ink-2); margin: 0 0 28px; }
.story { padding: 22px 0 18px; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.story h2 { font-size: 1.24rem; line-height: 1.3; margin: 0 0 8px; display: flex; gap: 12px; align-items: baseline; }
.story__n { font: 700 .86rem var(--mono); color: var(--accent-ink); min-width: 1.4em; }
.story__meta { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 10px; }
.story p { margin: 0 0 10px; }
.takeaway { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: .96rem; }
.story__sources { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; font-size: .9rem; }
.srcs { display: flex; flex-wrap: wrap; gap: 4px 12px; list-style: none; margin: 0; padding: 0; }
.srcs a { font-weight: 600; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .92rem; }

.archive { list-style: none; padding: 0; margin: 0; }
.archive a { display: grid; grid-template-columns: 230px 1fr auto; gap: 16px; padding: 13px 4px; border-bottom: 1px solid var(--line); text-decoration: none; align-items: baseline; }
.archive time { font: .84rem var(--mono); color: var(--muted); }
.archive__title { font-weight: 600; }
.archive a:hover .archive__title { text-decoration: underline; }

.prose h2 { font-size: 1.2rem; margin: 30px 0 8px; }
.prose li { margin-bottom: 6px; }
.sources { width: 100%; border-collapse: collapse; font-size: .9rem; }
.sources th, .sources td { text-align: left; padding: 8px 8px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.sources th { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.status { font: 600 .74rem var(--mono); margin-right: 6px; }
.status--ok { color: var(--c-guidance); }
.status--fail { color: var(--c-incident); }

/* Footer */
.footer { border-top: 1px solid var(--line); background: var(--surface); font-size: .86rem; color: var(--muted); }
.footer__inner { padding: 22px 20px 30px; display: grid; gap: 6px; }
.footer p { margin: 0; }
.footer__links { display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 720px) {
  .masthead__inner { flex-wrap: wrap; gap: 6px 14px; padding-top: 10px; padding-bottom: 8px; }
  .brand__exp { display: none; }
  .nav { order: 3; width: 100%; margin-left: -10px; }
  .langs { margin-left: auto; }
  main.wrap { padding-top: 20px; }
  .brief { padding: 20px 18px 16px; }
  .item { grid-template-columns: 1fr; gap: 4px; }
  .item__meta { flex-direction: row; gap: 10px; }
  .archive a { grid-template-columns: 1fr; gap: 2px; }
}