/* Static marketing pages (task 44): real HTML for search engines, in the
   product's own type and palette. Self-contained on purpose: these pages
   must not depend on the app bundle's hashed assets. */
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/plex-sans-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/plex-sans-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Archivo Variable";
  src: url("/fonts/archivo-wdth.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}

:root {
  --ink: #0f1419;
  --ink-card: #1a1f26;
  --ink-border: #2d353f;
  --ink-text: #e5e9ee;
  --ink-text2: #b8c0cc;
  --ink-text3: #8a93a0;
  --paper: #eef1f5;
  --card: #ffffff;
  --border: #d3dae2;
  --text: #1a212a;
  --text2: #3e4956;
  --text3: #6d7885;
  --accent: #0084a8;
  --accent-bright: #00d4ff;
  --accent-soft: rgba(0, 132, 168, 0.1);
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --display: "Archivo Variable", "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
  background: var(--paper);
}
.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}

.site-top {
  background: var(--ink);
  color: var(--ink-text);
  border-bottom: 1px solid var(--ink-border);
}
.site-top .wrap {
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-family: var(--display);
  font-stretch: 110%;
  font-weight: 750;
  font-size: 17px;
  color: var(--ink-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand b { color: var(--accent-bright); }
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 8.5px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-text3);
}
.top-links { display: flex; gap: 10px; align-items: center; }
.top-links a {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-text);
  text-decoration: none;
  border: 1px solid var(--ink-border);
  border-radius: 4px;
  padding: 7px 14px;
}
.top-links a:hover { border-color: var(--accent-bright); color: var(--accent-bright); }
.top-links a.solid {
  color: #001218;
  background: var(--accent-bright);
  border-color: var(--accent-bright);
}

.page-head {
  background: var(--ink);
  color: var(--ink-text);
  padding: clamp(36px, 7vh, 64px) 0 clamp(28px, 5vh, 44px);
}
.page-head .eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.page-head h1 {
  font-family: var(--display);
  font-stretch: 115%;
  font-weight: 780;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 12px 0 14px;
  text-wrap: balance;
}
.page-head .standfirst {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-text2);
  max-width: 620px;
  margin: 0;
}

main.wrap { padding-top: 40px; padding-bottom: 24px; }
article h2 {
  font-family: var(--display);
  font-stretch: 110%;
  font-weight: 740;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 36px 0 10px;
}
article h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 8px;
}
article p { margin: 0 0 14px; color: var(--text2); }
article strong { color: var(--text); }
article ul { margin: 0 0 14px; padding-left: 20px; color: var(--text2); }
article li { margin-bottom: 6px; }
.cite {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  white-space: nowrap;
}
.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 16px 18px;
  margin: 20px 0;
  color: var(--text2);
}
.callout b { color: var(--text); }

.answer {
  background: var(--ink);
  color: var(--ink-text2);
  border-radius: 8px;
  padding: 26px 28px;
  margin: 40px 0 28px;
}
.answer .eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.answer h2 {
  color: var(--ink-text);
  margin: 10px 0 10px;
}
.answer p { color: var(--ink-text2); }
.answer .cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.answer .cta,
.answer .cta-ghost {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 650;
  border-radius: 4px;
  padding: 11px 20px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.answer .cta {
  color: #001218;
  background: var(--accent-bright);
  border: 1px solid var(--accent-bright);
}
.answer .cta-ghost {
  color: var(--ink-text);
  background: none;
  border: 1px solid var(--ink-border);
}
.answer .cta-ghost:hover,
.answer .cta:hover { filter: brightness(1.08); }

.more {
  border-top: 1px solid var(--border);
  padding: 22px 0 8px;
}
.more h2 { font-size: 15px; margin: 0 0 10px; }
.more a { display: block; color: var(--accent); text-decoration: none; font-weight: 600; font-size: 13.5px; margin-bottom: 7px; }
.more a:hover { text-decoration: underline; }

.site-foot {
  background: var(--ink);
  color: var(--ink-text3);
  font-size: 12px;
  margin-top: 40px;
}
.site-foot .wrap {
  max-width: 1100px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.site-foot a { color: var(--accent-bright); text-decoration: none; }

/* The dated spine on the timeline page. The rule down the left is the
   point of the page: these are fixed dates, not a list of worries. */
.tl { margin: 30px 0 10px; }
.tl-item {
  position: relative;
  padding: 0 0 26px 30px;
  border-left: 2px solid var(--border);
}
.tl-item:last-child { border-left-color: transparent; padding-bottom: 4px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--border);
}
.tl-item.live::before { background: var(--accent); border-color: var(--accent); }
.tl-item.next::before { border-color: var(--accent); }
.tl-when {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.tl-item h3 {
  font-family: var(--display);
  font-stretch: 108%;
  font-weight: 700;
  font-size: 18px;
  margin: 4px 0 6px;
}
.tl-item p { margin: 0 0 8px; color: var(--text2); font-size: 14.5px; }
.tl-status {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 8px;
  color: var(--text3);
  background: var(--card);
}
.tl-item.live .tl-status { color: var(--accent); border-color: var(--accent); }

.guide-list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 14px; }
.guide-list a {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text);
}
.guide-list a:hover { border-color: var(--accent); }
.guide-list b { font-size: 16px; display: block; margin-bottom: 4px; }
.guide-list span { font-size: 13px; color: var(--text2); }