/* OBLITERATUS docs — hand-written, no build step, no external requests. */

:root {
  --bg: #202830;
  --bg-1: #252e36;
  --bg-2: #2b3640;
  --bg-3: #303c47;
  --fg: #eef2f5;
  --fg-dim: #aab5bf;
  --line: rgba(255, 255, 255, 0.075);
  --line-strong: rgba(255, 255, 255, 0.13);
  --accent: #4fc2e7;
  --accent-2: #8ed8ed;
  --accent-dim: rgba(79, 194, 231, 0.14);
  --accent-2-dim: rgba(142, 216, 237, 0.12);
  --danger: #e2645d;
  --danger-dim: rgba(226, 100, 93, 0.14);
  --warning: #e2b568;
  --warning-dim: rgba(226, 181, 104, 0.14);
  --ok: #4fb477;
  --ok-dim: rgba(79, 180, 119, 0.13);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.24);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 var(--sans);
}

::selection { color: var(--fg); background: rgba(79, 194, 231, 0.32); }

/* A single soft glow at the top of the page keeps the slate background from
   reading as a flat slab while leaving text contrast unchanged. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(900px 460px at 50% -8%, rgba(79, 194, 231, 0.065), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

code, kbd, pre, .mono { font-family: var(--mono); }

code {
  background: var(--bg-2);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}

pre {
  background: var(--bg-1);
  border: 0;
  border-radius: 12px;
  padding: 17px 20px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.035);
}
pre code { background: none; border: 0; padding: 0; font-size: inherit; }

/* ------------------------------------------------------------------ layout */

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

header.top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(32, 40, 48, 0.82);
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 10;
}

header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--fg);
  font-size: 15px;
}
.brand span { color: var(--accent); }

nav.main { display: flex; gap: 22px; flex-wrap: wrap; font-size: 13px; letter-spacing: 0.015em; }
nav.main a { color: var(--fg-dim); transition: color 0.16s ease; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--fg); text-decoration: none; }
nav.main a[aria-current="page"] { box-shadow: inset 0 -1px var(--accent); }

main { padding: 34px 0 60px; }

footer {
  border-top: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: 13.5px;
  padding: 22px 0 40px;
  margin-top: 20px;
}
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* --------------------------------------------------------------- typography */

h1 {
  font-size: clamp(32px, 4vw, 43px);
  line-height: 1.15;
  margin: 0 0 10px;
  letter-spacing: -0.035em;
  font-weight: 650;
}
h2 {
  font-size: 20px;
  margin: 52px 0 14px;
  padding-top: 0;
  letter-spacing: -0.018em;
  font-weight: 600;
}
h3 { font-size: 17px; margin: 26px 0 8px; }
p { margin: 12px 0; }

.lede { max-width: 78ch; font-size: 17px; color: #b3b7bd; margin: 0 0 22px; line-height: 1.75; }
.tagline { color: var(--accent-2); font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.note { color: var(--fg-dim); font-size: 14px; }

/* -------------------------------------------------------------------- pills */

/* Pills carry a tint, not a stroke: a 1px box around a 12px chip reads as a
   cage. The background does the work, and the tint doubles as the meaning. */
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.pill {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}
.pill.hot { color: var(--danger); background: var(--danger-dim); }
.pill.warm { color: var(--warning); background: var(--warning-dim); }
.pill.ok { color: var(--ok); background: var(--ok-dim); }

/* ------------------------------------------------------------------- tables */

.tw {
  overflow-x: auto;
  margin: 20px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

table { border-collapse: collapse; width: 100%; font-size: 14.5px; }

caption {
  caption-side: top;
  text-align: left;
  color: var(--fg-dim);
  font-size: 13px;
  padding: 0 0 12px;
}

th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.065); vertical-align: top; }

thead th {
  background: transparent;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  font-weight: 600;
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255, 255, 255, 0.025); }
thead th:first-child, tbody td:first-child { padding-left: 0; }

td.rt, th.rt { font-family: var(--mono); font-size: 13px; white-space: nowrap; }
td.sev { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
.sev-crit { color: var(--danger); font-weight: 600; }
.sev-high { color: var(--warning); font-weight: 600; }
.sev-med { color: #d9c04a; }
.sev-low { color: var(--fg-dim); }
.sev-info { color: #5b8bbf; }

.gate-none { color: var(--fg-dim); }
.gate-flag { color: var(--accent-2); font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }

/* --------------------------------------------------------------- components */

.shot { display: block; width: 100%; border: 0; border-radius: 14px; margin: 30px 0 28px; box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28); }

/* Callouts use a faint surface tint to carry context without a colored frame. */
.callout {
  border: 0;
  background: linear-gradient(100deg, rgba(79, 194, 231, 0.09), rgba(79, 194, 231, 0.025) 72%, transparent);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 14.5px;
}
.callout.warn {
  background: linear-gradient(100deg, var(--danger-dim), rgba(226, 100, 93, 0.025) 72%, transparent);
}
.callout strong { color: var(--fg); }

/* Links read as a quiet reference list; the surface appears only on hover. */
.cardgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 4px 22px; margin: 18px 0; }
.card {
  display: block;
  border: 0;
  border-radius: 9px;
  padding: 16px 14px;
  background: transparent;
  transition: background 0.16s ease;
  text-decoration: none;
}
.card:hover {
  background: rgba(255, 255, 255, 0.035);
  text-decoration: none;
}
.card h3 { margin: 0 0 6px; font-size: 15px; color: var(--fg); }
.card p { margin: 0; font-size: 14px; color: var(--fg-dim); }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 16px 0; }
.steps > li { position: relative; padding-left: 34px; margin-bottom: 14px; }
.steps > li::before {
  counter-increment: s;
  content: counter(s);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-3);
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px var(--line);
}

dl.entry { margin: 0; }
dl.entry dt {
  font-family: var(--mono);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  margin-top: 10px;
}
dl.entry dd { margin: 2px 0 0; }

.hash { font-family: var(--mono); font-size: 12.5px; color: var(--fg-dim); word-break: break-all; }
noscript .callout { border-left-color: var(--accent); }

/* Landing page hierarchy */
.home { padding-top: 58px; }
.home > h1 { max-width: 760px; font-size: clamp(38px, 5.3vw, 58px); letter-spacing: -0.05em; }
.home > .tagline { margin: 12px 0 0; }
.home > .pills { margin-top: 20px; }
.home > .lede { max-width: 76ch; font-size: 18px; }
.home > .tw { max-width: 850px; }

@media (max-width: 640px) {
  .wrap { padding-left: 18px; padding-right: 18px; }
  header.top .wrap { align-items: flex-start; gap: 12px; }
  nav.main { gap: 10px 16px; font-size: 12.5px; }
  main { padding-top: 26px; }
  .home { padding-top: 38px; }
  h1 { font-size: 32px; }
  h2 { margin-top: 40px; }
  th, td { padding: 10px 11px; }
  .home > .pills { gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}