/* Palimpsest · Philosophy and Art: the story of each, era by era, in the Field line design */
/* Layout: a sticky bar and era strip on top; below, one illustrated section per era scrolls past like a timeline;
   a reader card slides in on the right for any topic, thinker or work. */
:root {
  --space: #eeebe3; --panel: rgba(251,250,246,.94); --panel-solid: #fbfaf6;
  --ink: #22302a; --ink-soft: #6c776f; --line: rgba(34,48,42,.13);
  --accent: #d4492a; --on-accent: #fff; --brass: #5f8f7d; --sage-ink: #3e6b5b;
  --hover: rgba(95,143,125,.1); --chip: rgba(34,48,42,.07); --shadow: rgba(34,48,42,.14);
  --f-display: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-note: "Cormorant Garamond", Georgia, serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  /* Liquid glass: a clear tint, a bright rim and a soft highlight, over a strong blur of the picture behind */
  --glass: linear-gradient(150deg, rgba(255,255,255,.62), rgba(255,255,255,.38) 45%, rgba(255,255,255,.5));
  --glass-inner: rgba(255,255,255,.42); --glass-inner-hover: rgba(255,255,255,.7);
  --glass-bar: rgba(251,250,246,.6); --glass-rim: rgba(255,255,255,.7);
  --glass-shine: inset 0 1px 0 rgba(255,255,255,.95), inset 0 -1px 0 rgba(255,255,255,.35), inset 0 0 0 1px rgba(255,255,255,.35);
  --glass-shadow: 0 30px 70px -28px rgba(20,28,24,.45), 0 2px 6px rgba(20,28,24,.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --space: #121815; --panel: rgba(27,34,30,.92); --panel-solid: #1b221e; --ink: #e6ebe4; --ink-soft: #9ba79f; --line: rgba(230,235,228,.12);
    --accent: #ef6c4b; --brass: #8fc2ab; --sage-ink: #9fd1b9; --hover: rgba(143,194,171,.12); --chip: rgba(230,235,228,.07); --shadow: rgba(0,0,0,.45);
    --glass: linear-gradient(150deg, rgba(40,48,44,.52), rgba(16,20,18,.34) 45%, rgba(30,36,33,.46));
    --glass-inner: rgba(255,255,255,.07); --glass-inner-hover: rgba(255,255,255,.14);
    --glass-bar: rgba(18,24,21,.55); --glass-rim: rgba(255,255,255,.16);
    --glass-shine: inset 0 1px 0 rgba(255,255,255,.28), inset 0 -1px 0 rgba(255,255,255,.06), inset 0 0 0 1px rgba(255,255,255,.08);
    --glass-shadow: 0 30px 80px -26px rgba(0,0,0,.7), 0 2px 8px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --space: #121815; --panel: rgba(27,34,30,.92); --panel-solid: #1b221e; --ink: #e6ebe4; --ink-soft: #9ba79f; --line: rgba(230,235,228,.12);
  --accent: #ef6c4b; --brass: #8fc2ab; --sage-ink: #9fd1b9; --hover: rgba(143,194,171,.12); --chip: rgba(230,235,228,.07); --shadow: rgba(0,0,0,.45);
  --glass: linear-gradient(150deg, rgba(40,48,44,.52), rgba(16,20,18,.34) 45%, rgba(30,36,33,.46));
  --glass-inner: rgba(255,255,255,.07); --glass-inner-hover: rgba(255,255,255,.14);
  --glass-bar: rgba(18,24,21,.55); --glass-rim: rgba(255,255,255,.16);
  --glass-shine: inset 0 1px 0 rgba(255,255,255,.28), inset 0 -1px 0 rgba(255,255,255,.06), inset 0 0 0 1px rgba(255,255,255,.08);
  --glass-shadow: 0 30px 80px -26px rgba(0,0,0,.7), 0 2px 8px rgba(0,0,0,.25);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--space); color: var(--ink); font: 15px/1.5 var(--f-display); }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }

/* ---- Top bar */
.bar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; height: 54px; padding: 0 20px;
  background: var(--glass-bar); backdrop-filter: blur(24px) saturate(1.8); -webkit-backdrop-filter: blur(24px) saturate(1.8); border-bottom: 1px solid var(--glass-rim); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: -.01em; text-decoration: none; font-size: 16px; }
.brand img { width: 24px; height: 24px; border-radius: 6px; }
.views { display: flex; gap: 2px; margin-left: 8px; overflow-x: auto; }
.views a { padding: 6px 11px; border-radius: 99px; text-decoration: none; font-weight: 600; font-size: 13.5px; color: var(--ink-soft); white-space: nowrap; }
.views a:hover { background: var(--hover); color: var(--ink); }
.views a[aria-current="page"] { background: var(--ink); color: var(--space); }
.theme { margin-left: auto; border: 1px solid var(--line); background: transparent; border-radius: 99px; padding: 5px 11px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.theme b { margin-right: 5px; }

/* ---- Era strip: the timeline of eras, a transit line with one stop per era */
.strip { position: sticky; top: 54px; z-index: 19; overflow-x: auto; scrollbar-width: none;
  background: var(--glass-bar); backdrop-filter: blur(24px) saturate(1.8); -webkit-backdrop-filter: blur(24px) saturate(1.8); border-bottom: 1px solid var(--glass-rim);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 28px, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(90deg, transparent, #000 28px, #000 calc(100% - 28px), transparent); }
.strip::-webkit-scrollbar { display: none; }
.track { display: flex; width: max-content; padding: 12px 28px 12px; }
.strip a { position: relative; flex: 0 0 132px; padding: 22px 12px 4px 0; text-decoration: none; color: var(--ink); }
.strip a::before { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 2px; border-radius: 2px; background: var(--line); }   /* the line */
.strip a:first-child::before { left: 5px; }
.strip a:last-child::before { right: auto; width: 6px; }
.strip a.past::before, .strip a.on::before { background: color-mix(in srgb, var(--accent) 55%, transparent); }
.strip a i { position: absolute; left: 0; top: 1px; width: 12px; height: 12px; border-radius: 50%; background: var(--panel-solid); border: 2px solid var(--brass); transition: transform .2s, background .2s; }
.strip a.past i { border-color: var(--accent); }
.strip a.on i { background: var(--accent); border-color: var(--accent); transform: scale(1.3); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.strip a:hover i { transform: scale(1.2); }
.strip a b { display: block; font: 500 10.5px/1.2 var(--f-mono); color: var(--ink-soft); letter-spacing: .03em; white-space: nowrap; }
.strip a span { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; margin-top: 3px; font-weight: 600; font-size: 12.5px; line-height: 1.2; }
.strip a:hover span { color: var(--sage-ink); }
.strip a.on b, .strip a.on span { color: var(--accent); }

/* ---- Intro */
main { padding: 0 0 120px; }
.lede { max-width: 1180px; margin: 0 auto; padding: 56px 24px 64px; }
.lede > * { max-width: 760px; }
.lede .tag { color: var(--accent); }
.lede h1 { font-size: clamp(38px, 6vw, 72px); line-height: .98; letter-spacing: -.035em; margin: 8px 0 14px; font-weight: 800; }
.lede p { font: 400 22px/1.35 var(--f-note); color: var(--ink-soft); margin: 0; }
.tag { font: 500 11px/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }

/* ---- One era: the picture fills the window and stays pinned while the details card rises over it */
.era { position: relative; }
.era::after { content: ""; display: block; height: 45vh; }   /* the picture shows again before the next era (padding would not keep it pinned) */
.hero { position: sticky; top: 0; height: 100vh; height: 100svh; margin: 0; overflow: hidden; background: #0d110f; }
.hero img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; display: block; opacity: 0; transform: scale(1.04); transition: opacity .8s, transform 2.4s ease-out; }
.hero img.ready { opacity: 1; transform: none; }
.hero .shade { position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(rgba(10,14,12,.55), transparent 28%, transparent 48%, rgba(10,14,12,.82)); }
.era-head { position: absolute; left: 0; right: 0; bottom: 0; max-width: 1180px; margin: 0 auto; padding: 0 24px 76px; color: #f4f2ec;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; text-shadow: 0 2px 18px rgba(0,0,0,.45); }
.era-head .num { font: 500 12px var(--f-mono); color: #ff8a68; }
.era-head .when, .era-head .region { font: 500 12px var(--f-mono); letter-spacing: .05em; opacity: .9; }
.era-head .region { text-transform: uppercase; }
.era-head .region::before { content: "· "; }
.era h2 { flex-basis: 100%; margin: 4px 0 0; font-size: clamp(40px, 7.5vw, 104px); line-height: .94; letter-spacing: -.04em; font-weight: 800; max-width: 15ch; }
.hero figcaption { position: absolute; right: 24px; bottom: 26px; color: #f4f2ec; font-size: 12px; display: flex; gap: 8px; align-items: baseline; max-width: 50%; }
.hero figcaption span { font: 500 10.5px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.hero figcaption button { border: 0; background: none; padding: 0; color: inherit; text-align: right; font: italic 500 17px/1.2 var(--f-note); text-decoration: underline; text-decoration-color: rgba(244,242,236,.4); text-underline-offset: 3px; }
.hero .cue { position: absolute; left: 24px; bottom: 26px; color: #f4f2ec; font: 500 11px var(--f-mono); letter-spacing: .08em; text-transform: uppercase; opacity: .75; animation: cue 2.4s ease-in-out infinite; }
@media (min-width: 1228px) { .hero .cue { left: calc(50% - 566px); } }
@keyframes cue { 50% { transform: translateY(5px); opacity: .45; } }
.hero.empty::after { content: attr(data-empty); position: absolute; inset: 0; display: grid; place-items: center; color: rgba(244,242,236,.5); font: italic 22px var(--f-note); }

.era-body { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 40px;
  max-width: 1132px; margin: 0 max(32px, calc(50% - 566px)); padding: 40px 44px 44px; border-radius: 32px; isolation: isolate;
  background: var(--glass); backdrop-filter: blur(34px) saturate(1.9) brightness(1.04); -webkit-backdrop-filter: blur(34px) saturate(1.9) brightness(1.04);
  border: 1px solid var(--glass-rim); box-shadow: var(--glass-shine), var(--glass-shadow); }
/* the specular highlight: light catching the top edge of the glass */
.era-body::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(120% 60% at 20% -10%, rgba(255,255,255,.28), transparent 55%), radial-gradient(80% 40% at 100% 110%, rgba(255,255,255,.1), transparent 60%); }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.era-body > div > .reveal:nth-child(2) { transition-delay: .08s; }
.era-body > div > .reveal:nth-child(3) { transition-delay: .16s; }
.era-body > div > .reveal:nth-child(4) { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .hero img { transform: none !important; transition: opacity .3s; }
  .hero .cue { animation: none; }
}
.intro { font: 400 21px/1.42 var(--f-note); margin: 0 0 22px; }
h4 { font: 500 11px/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 10px; }
.questions { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 8px; }
.questions li { position: relative; padding: 11px 16px 11px 38px; border-radius: 16px; background: var(--glass-inner); border: 1px solid var(--glass-rim); box-shadow: var(--glass-shine); font-weight: 600; font-size: 15px; line-height: 1.3; }
.questions li::before { content: "?"; position: absolute; left: 13px; top: 9px; font: 600 16px var(--f-note); color: var(--accent); }
.topics { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 24px; }
.topics button { border: 1px solid var(--glass-rim); background: var(--glass-inner); box-shadow: var(--glass-shine); transition: background .2s; border-radius: 99px; padding: 6px 13px; font-size: 13.5px; font-weight: 500; }
.topics button:hover, .topics button.on { background: var(--glass-inner-hover); border-color: var(--brass); }
.globe { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 99px; background: var(--ink); color: var(--space); text-decoration: none; font-weight: 600; font-size: 13.5px; }
.globe:hover { background: var(--accent); color: var(--on-accent); }

.people { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 2px; }
.people button { width: 100%; text-align: left; border: 0; background: none; padding: 8px 10px; border-radius: 6px; display: grid; grid-template-columns: 1fr auto; column-gap: 10px; }
.people button { border-radius: 14px; }
.people button:hover, .people button.on { background: var(--glass-inner-hover); }
.people b { font-weight: 700; font-size: 14.5px; }
.people small { font: 500 11px var(--f-mono); color: var(--ink-soft); align-self: center; }
.people i { grid-column: 1 / -1; font: italic 400 15.5px/1.3 var(--f-note); color: var(--ink-soft); }
.people em { font-style: normal; font-size: 12px; color: var(--sage-ink); font-weight: 600; }

.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin: 0 0 24px; }
.works button { border: 0; padding: 0; background: none; text-align: left; }
.works .pic { aspect-ratio: 1; border-radius: 16px; box-shadow: var(--glass-shine); overflow: hidden; background: var(--chip); }
.works img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.works button:hover img { transform: scale(1.04); }
.works span { display: block; margin-top: 6px; font-size: 13px; font-weight: 600; line-height: 1.25; }
.era-body.art { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

/* ---- Depth: what shaped the era, its breakthroughs, the world around it */
.era-body .depth, .era-body .explore { grid-column: 1 / -1; }
.depth { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding-top: 4px; }
.depth .card { padding: 20px 20px 8px; border-radius: 22px; background: var(--glass-inner); border: 1px solid var(--glass-rim); box-shadow: var(--glass-shine); }
.depth ul { margin: 0 0 14px; padding-left: 18px; }
.depth li { margin: 0 0 7px; font-size: 14px; line-height: 1.4; }
.depth li::marker { color: var(--accent); }
.depth p { margin: 0 0 16px; font: 400 17px/1.4 var(--f-note); }
.explore { padding-top: 6px; }
.hero img.ready { cursor: zoom-in; }

/* ---- Reader: the full article, in the app */
.reader { position: fixed; z-index: 30; right: 16px; top: 132px; bottom: 16px; width: min(640px, 48vw); overflow-y: auto; padding: 14px 28px 22px;
  background: color-mix(in srgb, var(--panel-solid) 78%, transparent); backdrop-filter: blur(40px) saturate(1.9); -webkit-backdrop-filter: blur(40px) saturate(1.9);
  border: 1px solid var(--glass-rim); border-radius: 26px; box-shadow: var(--glass-shine), var(--glass-shadow); overscroll-behavior: contain; }
.reader-top { position: sticky; top: -14px; margin: -14px -28px 6px; padding: 10px 14px 6px; display: flex; justify-content: space-between; z-index: 1; border-radius: 26px 26px 0 0; background: color-mix(in srgb, var(--panel-solid) 72%, transparent); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.reader .x { margin-left: auto; border: 0; background: none; font-size: 24px; line-height: 1; color: var(--ink-soft); }
.reader .back { border: 1px solid var(--line); background: none; border-radius: 99px; padding: 3px 11px; font-size: 12.5px; font-weight: 600; }
.reader h3 { margin: 6px 0 2px; font-size: 28px; letter-spacing: -.025em; line-height: 1.05; }
.reader .sub { margin: 0 0 14px; color: var(--ink-soft); font: italic 17px var(--f-note); }
.lead-pic { position: relative; display: block; width: 100%; padding: 0; border: 0; background: var(--glass-inner); border-radius: 18px; overflow: hidden; margin: 0 0 14px; cursor: zoom-in; }
.lead-pic img { width: 100%; max-height: 56vh; object-fit: contain; display: block; }
.lead-pic span { position: absolute; right: 10px; bottom: 10px; padding: 4px 10px; border-radius: 99px; background: rgba(10,14,12,.65); color: #fff; font-size: 12px; font-weight: 600; }
.reader .lead { margin: 0 0 14px; font: 400 19px/1.45 var(--f-note); }
.globe.small { padding: 7px 13px; font-size: 12.5px; margin-bottom: 8px; }
.article { font-size: 15px; line-height: 1.62; }
.article h2 { font-size: 21px; letter-spacing: -.015em; margin: 30px 0 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.article h3 { font-size: 16.5px; margin: 22px 0 6px; }
.article h4 { font-size: 11px; margin: 18px 0 6px; }
.article p { margin: 0 0 12px; }
.article a[data-wiki] { color: var(--sage-ink); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--sage-ink) 35%, transparent); text-underline-offset: 2px; cursor: pointer; }
.article a[href] { color: var(--sage-ink); }
.article figure { margin: 14px 0; padding: 0; }
.article figure img, .article img.zoomable { max-width: 100%; height: auto; border-radius: 6px; cursor: zoom-in; display: block; }
.article figure:has(img.zoomable) { float: right; width: 44%; margin: 4px 0 12px 16px; }
.article figcaption { font-size: 12.5px; line-height: 1.4; color: var(--ink-soft); margin-top: 5px; }
.article blockquote { margin: 12px 0; padding-left: 14px; border-left: 3px solid var(--brass); font: italic 18px/1.4 var(--f-note); }
.article section { clear: both; }
.article .loading { color: var(--ink-soft); font-style: italic; }
.credit { clear: both; margin: 22px 0 0; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-soft); }
.credit a { color: var(--sage-ink); }

/* ---- Picture viewer */
.viewer { position: fixed; inset: 0; z-index: 50; background: rgba(6,8,7,.94); color: #f4f2ec; }
.viewer .stage { position: absolute; inset: 0; overflow: hidden; cursor: grab; touch-action: none; }
.viewer .stage.dragging { cursor: grabbing; }
.viewer img { position: absolute; left: 0; top: 0; transform-origin: 0 0; max-width: none; user-select: none; -webkit-user-drag: none; }
.v-top { position: absolute; left: 0; right: 0; top: 0; display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: linear-gradient(rgba(0,0,0,.6), transparent); pointer-events: none; }
.v-top span { font: italic 500 18px var(--f-note); }
.v-top button { pointer-events: auto; margin-left: auto; border: 0; background: rgba(255,255,255,.12); color: #fff; width: 36px; height: 36px; border-radius: 50%; font-size: 22px; line-height: 1; }
.v-tools { position: absolute; left: 50%; bottom: 40px; transform: translateX(-50%); display: flex; gap: 4px; padding: 4px; border-radius: 99px; background: rgba(20,24,22,.8); }
.v-tools button { border: 0; background: none; color: #fff; min-width: 40px; height: 34px; border-radius: 99px; font-size: 18px; font-weight: 600; }
.v-tools button:hover { background: rgba(255,255,255,.14); }
.v-tools #vFit { font-size: 13px; padding: 0 12px; }
.v-hint { position: absolute; left: 0; right: 0; bottom: 10px; margin: 0; text-align: center; font-size: 11.5px; opacity: .6; pointer-events: none; }

@media (max-width: 860px) {
  .era-body, .era-body.art { grid-template-columns: 1fr; gap: 8px; }
  .era-body { margin: 0 10px; padding: 26px 20px 28px; border-radius: 26px; }
  .hero figcaption { left: 16px; right: auto; max-width: none; bottom: 22px; }
  .hero figcaption button { text-align: left; }
  .hero .cue { display: none; }
  .era-head { padding: 0 16px 64px; }
  .era-head .region { flex-basis: 100%; }
  .era-head .region::before { content: none; }
  .reader { left: 0; right: 0; top: auto; bottom: 0; width: auto; height: 82vh; border-radius: 26px 26px 0 0; padding: 14px 18px 22px; }
  .reader-top { margin: -14px -18px 6px; }
  .depth { grid-template-columns: 1fr; }
  .article figure:has(img.zoomable) { float: none; width: auto; margin: 14px 0; }
}
@media (max-width: 560px) {
  .bar { gap: 8px; padding: 0 12px; }
  .brand { font-size: 0; gap: 0; }
  .views { margin-left: 0; }
  .views a { padding: 6px 7px; font-size: 12.5px; }
  .theme { padding: 5px 9px; }
  .theme span { display: none; }
  .theme b { margin: 0; }
  .track { padding: 10px 18px; }
  .strip a { flex-basis: 116px; }
  main { padding: 26px 16px 100px; }
  .intro { font-size: 19px; }
}
.works .pic.none { display: grid; place-items: center; }
.works .pic.none::after { content: "◇"; font: 400 34px var(--f-note); color: var(--ink-soft); opacity: .5; }

/* ---- Philosophy: clickable questions, key concepts, and the question guide in the reader */
.questions li { padding: 0; }
.questions li::before { top: 11px; }
.questions button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 11px 16px 11px 38px; border-radius: inherit; font: inherit; color: inherit; }
.questions button small { display: block; margin-top: 3px; font: 500 10.5px var(--f-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--sage-ink); }
.questions li:hover, .questions li:has(button.on) { background: var(--glass-inner-hover); border-color: var(--brass); }
.era-body .concepts { grid-column: 1 / -1; }
.concept-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.concept { padding: 16px 18px 6px; border-radius: 20px; background: var(--glass-inner); border: 1px solid var(--glass-rim); box-shadow: var(--glass-shine); }
.concept button { border: 0; background: none; padding: 0; font: 700 16px/1.2 var(--f-display); letter-spacing: -.01em; text-align: left; }
.concept button span { color: var(--sage-ink); font-weight: 600; transition: margin .2s; }
.concept button:hover span { margin-left: 4px; }
.concept p { margin: 6px 0 10px; font: 400 16.5px/1.42 var(--f-note); }
.answers { display: grid; gap: 10px; }
.answer { padding: 12px 16px 2px; border-radius: 16px; background: var(--glass-inner); border: 1px solid var(--glass-rim); }
.answer .who { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.answer .who a { font-weight: 700; font-size: 15.5px; text-decoration: none !important; }
.answer .school { font: 500 10.5px var(--f-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); }
.answer p { margin: 4px 0 10px; font: 400 17px/1.42 var(--f-note); }
.more-q { display: grid; gap: 6px; }
.more-q button { text-align: left; border: 1px solid var(--glass-rim); background: var(--glass-inner); border-radius: 14px; padding: 9px 14px; font-weight: 600; font-size: 14px; }
.more-q button:hover { background: var(--glass-inner-hover); }
@media (max-width: 860px) { .concept-grid { grid-template-columns: 1fr; } }