/* Layout after the Monodrift template (bold blocky type, highlighter blocks, split hero), recolored per tab. */
@import url("fonts/fonts.css");

:root {
  --ink: #141218;
  --paper: #f8f6f1;
  --card: #ffffff;
  --line: #ddd8cf;
  --muted: #5d5866;
  --purple: #6a2fb0;
  --accent: #b98cff;          /* each page overrides this */
  --accent-ink: #141218;      /* text that sits on the accent */
  --display: "Chakra Petch", "Arial Narrow", system-ui, sans-serif;
  --body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 18px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- top bar + tabs ---------- */
.bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  background: var(--ink); color: #fff;
  padding: 0 28px; min-height: 64px;
}
.wordmark {
  font: 700 22px/1 var(--display); letter-spacing: .02em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
}
.wordmark span { color: var(--accent); }
.tabs { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  font: 600 14px/1 var(--display); text-transform: uppercase; letter-spacing: .04em;
  text-decoration: none; padding: 10px 12px; white-space: nowrap; color: #d9d4e4;
}
.tabs a:hover { color: #fff; }
.tabs a[aria-current="page"] { background: var(--accent); color: var(--accent-ink); }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1fr 1fr; min-height: clamp(560px, calc(100vh - 64px), 860px); }
.hero-text { padding: 40px 28px 40px; display: flex; flex-direction: column; }
.kicker {
  font: 600 14px/1 var(--display); text-transform: uppercase; letter-spacing: .06em;
  padding-bottom: 14px; border-bottom: 1px solid var(--line); margin: 0 0 28px;
}
.hero h1 {
  font: 700 clamp(44px, 6.4vw, 92px)/1.04 var(--display);
  text-transform: uppercase; margin: 0 0 28px; letter-spacing: -.01em;
}
mark {
  background: var(--ink); color: var(--accent);
  padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.lead {
  border-left: 3px solid var(--line); padding-left: 16px; margin: 0 0 32px;
  color: var(--muted); max-width: 34em;
}
.hero-text .btn { margin-top: auto; }
.hero-pic { position: relative; overflow: hidden; background: var(--ink); }
.hero-pic img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.hero-pic.contain { background: color-mix(in srgb, var(--accent) 28%, #fff); }
.hero-pic.contain img { object-fit: contain; padding: 48px 32px 150px; position: absolute; inset: 0; mix-blend-mode: multiply; }
.hero-card {
  position: absolute; left: 0; bottom: 0; width: min(80%, 480px);
  background: var(--accent); color: var(--accent-ink); padding: 22px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  text-decoration: none; display: block;
}
.hero-card .count { font: 600 13px/1 var(--display); display: flex; align-items: center; gap: 10px; }
.hero-card .count i { flex: 0 0 90px; height: 2px; background: currentColor; }
.hero-card b { display: block; font: 700 30px/1.05 var(--display); text-transform: uppercase; margin: 14px 0 6px; }
.hero-card small { font: 600 13px/1.3 var(--body); text-transform: uppercase; letter-spacing: .03em; }
.credit { font-size: 12px; color: var(--muted); }
.hero-pic .credit {
  position: absolute; right: 0; top: 0; background: rgba(20,18,24,.7); color: #eee; padding: 4px 8px;
}
.hero-pic .credit a { color: #eee; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font: 700 20px/1 var(--display); text-transform: uppercase; letter-spacing: .02em;
  background: var(--accent); color: var(--accent-ink); text-decoration: none;
  padding: 20px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform .15s ease, filter .15s ease;
}
.btn::before { content: "\203A"; font-size: 1.3em; line-height: .7; }
.btn:hover { transform: translateX(4px); filter: brightness(1.05); }
.btn.dark { background: var(--ink); color: #fff; }
.btn.small { font-size: 15px; padding: 14px 18px; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 0; }

/* ---------- content ---------- */
main section { padding: 72px 28px; border-top: 1px solid var(--line); }
.wrap { max-width: 1160px; margin: 0 auto; }
.sec-num { font: 600 14px/1 var(--display); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 12px; }
h2 { font: 700 clamp(32px, 4vw, 52px)/1 var(--display); text-transform: uppercase; margin: 0 0 24px; }
h3 { font: 700 24px/1.15 var(--display); text-transform: uppercase; margin: 28px 0 10px; }
p { margin: 0 0 16px; max-width: 40em; }
ul, ol { padding-left: 1.2em; margin: 0 0 16px; max-width: 40em; }
li { margin-bottom: 6px; }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.split.flip > :first-child { order: 2; }

figure { margin: 0; background: var(--card); border: 1px solid var(--line); padding: 14px; }
figure img { width: 100%; height: auto; max-height: 620px; object-fit: contain; }
figcaption { font-size: 14px; line-height: 1.45; margin-top: 10px; color: var(--muted); }
figcaption b { color: var(--ink); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 8px 0 0; }
.card { background: var(--card); border: 1px solid var(--line); border-top: 6px solid var(--accent); padding: 20px 20px 8px; }
.card h3 { margin-top: 0; font-size: 20px; }
.card p, .card li { font-size: 16px; }

.big { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.big div { background: var(--ink); color: #fff; padding: 22px; }
.big b { display: block; font: 700 54px/1 var(--display); color: var(--accent); margin-bottom: 10px; }
.big span { font-size: 15px; line-height: 1.4; display: block; }

.callout {
  background: var(--ink); color: #fff; padding: 28px; margin: 24px 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.callout p { max-width: none; margin: 0; font-size: 20px; }
.callout b { color: var(--accent); }

/* step flow (organelle failure chain) */
.chain { list-style: none; padding: 0; margin: 8px 0 0; max-width: none; display: grid; gap: 10px; counter-reset: step; }
.chain li {
  counter-increment: step; margin: 0;
  background: var(--card); border: 1px solid var(--line); padding: 14px 16px 14px 64px; position: relative;
}
.chain li::before {
  content: counter(step); position: absolute; left: 0; top: 0; bottom: 0; width: 48px;
  display: grid; place-items: center; background: var(--accent); color: var(--accent-ink);
  font: 700 22px/1 var(--display);
}

/* bar chart */
.chart { background: var(--card); border: 1px solid var(--line); padding: 20px; }
.chart h3 { margin-top: 0; font-size: 19px; }
.bar-row { display: grid; grid-template-columns: 150px 1fr 64px; align-items: center; gap: 12px; margin: 10px 0; font-size: 15px; }
.bar-track { background: #eeeae3; height: 26px; }
.bar-fill { background: var(--purple); height: 100%; }
.bar-row b { font: 700 18px/1 var(--display); }
.chart .credit { margin: 12px 0 0; }

table { border-collapse: collapse; width: 100%; background: var(--card); font-size: 16px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 700 14px/1.2 var(--display); text-transform: uppercase; background: var(--ink); color: #fff; }

.video { position: relative; aspect-ratio: 16/9; background: var(--ink); }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* sources */
.sources { font-size: 14px; color: var(--muted); }
.sources ol { max-width: none; }
.sources a { word-break: break-word; }
.cited li { margin-bottom: 14px; padding-left: 4px; text-indent: 0; }
.tag { display: inline-block; font: 700 11px/1 var(--display); text-transform: uppercase; background: var(--accent); color: var(--accent-ink); padding: 4px 6px; margin-right: 6px; vertical-align: 2px; }

/* footer */
.foot { background: var(--ink); color: #fff; padding: 48px 28px; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.foot p { margin: 0; color: #bcb6c8; font-size: 14px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-pic { min-height: 460px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split.flip > :first-child { order: 0; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .bar { padding: 0 16px; gap: 12px; flex-wrap: wrap; }
  .wordmark { font-size: 18px; padding-top: 14px; }
  .tabs { margin-left: 0; width: 100%; padding-bottom: 8px; }
  .hero-text, main section, .foot { padding-left: 16px; padding-right: 16px; }
  main section { padding-top: 52px; padding-bottom: 52px; }
  .bar-row { grid-template-columns: 96px 1fr 52px; font-size: 14px; }
  .btn { font-size: 17px; padding: 16px 20px; }
  .hero-card b { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}