/* ============ /science: the receipts, in the 2026-09 look ============
   Loads after styles.css, whose closing block already sets the white page,
   the tokens and the chrome. This file lays out the page itself: a hero
   with the headline figure, a sticky table of contents beside the six
   findings, a claim card tying each finding to a homepage outcome, and a
   closing band that matches the homepage close. */

/* ---------- Hero ---------- */
.sci-hero { position: relative; overflow: hidden; padding: 64px 0 72px; border-bottom: 1px solid var(--line); }
.sci-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(10,10,11,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,10,11,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 70% 35%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 70% at 70% 35%, #000 20%, transparent 75%);
}
.sci-hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.sci-hero .kicker { display: block; margin-bottom: 18px; }
.sci-hero h1 { font-size: clamp(48px, 6.4vw, 84px); line-height: .98; letter-spacing: -0.048em; }
.sci-hero .lede { margin-top: 20px; font-size: 19px; line-height: 1.55; color: var(--nav-ink); max-width: 34em; }
.sci-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; }
.sci-actions.center { justify-content: center; }
.sci-actions .btn { min-height: 48px; padding: 12px 22px; }
.sci-facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0; margin: 36px 0 0; padding-top: 20px; border-top: 1px solid var(--line); }
.sci-facts div { display: flex; flex-direction: column; padding: 0 28px; }
.sci-facts div:first-child { padding-left: 0; }
.sci-facts div + div { border-left: 1px solid var(--line); }
.sci-facts dd { order: -1; margin: 0; font-size: 30px; font-weight: 650; letter-spacing: -0.035em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.sci-facts dt { font-size: 13.5px; color: var(--muted); margin-top: 4px; }

/* The hero figure: a card floating on the grid, with a soft vermilion glow. */
.sci-hero .science-hero-fig {
  position: relative; margin: 0; padding: 26px 26px 18px;
  border: 1px solid var(--outline); border-radius: 24px;
  box-shadow: 0 2px 4px rgba(10,10,11,.04), 0 30px 70px -20px rgba(10,10,11,.22);
}
.sci-hero .science-hero-fig::before {
  content: ""; position: absolute; inset: -12% -8%; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(239,74,43,.14), rgba(239,74,43,0));
  filter: blur(20px);
}

/* ---------- Layout: sticky contents beside the findings ---------- */
.sci-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; align-items: start; padding-top: 24px; padding-bottom: 40px; }
.sci-side { position: sticky; top: 96px; padding-top: 40px; }
.sci-side-k { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.sci-side .toc { display: grid; gap: 2px; margin: 0; position: relative; padding-left: 14px; }
.sci-side .toc::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; border-radius: 2px; background: var(--line); }
.sci-side .toc::after {
  content: ""; position: absolute; left: 0; top: 6px; width: 2px; border-radius: 2px; background: var(--accent-fill);
  height: calc((100% - 12px) * var(--toc-p, 0)); transition: height .2s linear;
}
.sci-side .toc a {
  display: flex; align-items: baseline; gap: 10px;
  font-family: "Geist", -apple-system, system-ui, sans-serif; font-size: 15px; letter-spacing: -0.005em;
  color: var(--muted); background: none; border: 0; border-radius: 8px; box-shadow: none;
  padding: 7px 10px; transition: color .2s, background .2s;
}
.sci-side .toc a b { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11px; font-weight: 500; color: #A1A1AA; transition: color .2s; }
.sci-side .toc a:hover { color: var(--ink); background: #F4F4F5; transform: none; box-shadow: none; }
.sci-side .toc a.is-active { color: var(--ink); font-weight: 550; background: #F4F4F5; }
.sci-side .toc a.is-active b { color: var(--primary); }
.sci-side-cta { margin-top: 28px; padding: 18px; border: 1px solid var(--outline); border-radius: 16px; background: var(--bg-alt); }
.sci-side-cta p { margin: 0 0 12px; font-size: 14px; line-height: 1.45; color: var(--nav-ink); }
.sci-side-cta .btn { width: 100%; min-height: 42px; padding: 10px 14px; font-size: 14px; }

.science-page { max-width: 760px; }

/* ---------- A finding ---------- */
.science-sec { margin-top: 0; padding: 56px 0 24px; border-top: 0; }
.science-sec + .science-sec { border-top: 1px solid var(--line); }
.sec-top { display: flex; align-items: center; gap: 10px; }
.science-sec .sec-num {
  display: inline-grid; place-items: center; min-width: 34px; height: 26px; padding: 0 8px; border-radius: 999px;
  background: var(--ink); color: #fff; font-size: 11.5px; letter-spacing: .04em;
}
.sec-tag {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--primary); padding: 4px 10px; border-radius: 999px; background: var(--primary-wash);
}
.science-sec h2 { margin-top: 16px; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.04; letter-spacing: -0.04em; }

.claim-card {
  position: relative; overflow: hidden; margin-top: 24px; padding: 22px 24px 20px;
  border: 1px solid var(--outline); border-radius: 20px; background: #fff; box-shadow: var(--shadow-riso);
}
.claim-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent-fill); }
.claim-card .claim-label { margin: 0; font-size: 11px; color: var(--muted); }
.science-sec .claim-card .claim { margin-top: 8px; font-size: clamp(20px, 2vw, 25px); font-weight: 600; line-height: 1.25; letter-spacing: -0.02em; color: var(--ink); }
.claim-sub { margin: 8px 0 0; font-size: 15.5px; line-height: 1.5; color: var(--nav-ink); }
.claim-link { display: inline-flex; gap: 6px; margin-top: 14px; font-size: 14px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--line); padding-bottom: 1px; transition: gap .25s var(--ease-out), border-color .2s; }
.claim-link:hover { color: var(--ink); gap: 10px; border-color: var(--ink); }

.science-sec .body { margin-top: 18px; font-size: 17px; line-height: 1.7; color: var(--nav-ink); }
.science-sec .body em { color: var(--ink); }
.science-sec .aside { margin-top: 22px; padding: 18px 20px; background: var(--bg-alt); border: 1px solid var(--outline); border-radius: 16px; }

.science-fig {
  margin: 30px 0 6px; padding: 24px 24px 18px;
  background: #fff; border: 1px solid var(--outline); border-radius: 20px; box-shadow: var(--shadow-riso);
}
.science-fig figcaption { font-size: 11.5px; line-height: 1.6; }
.science-fig figcaption .fig-num { color: var(--primary); }

/* Sources: a grid of link cards that lift on hover. */
.sources-label { margin-top: 30px; font-size: 11px; }
.study-list { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.study {
  position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
  padding: 16px 18px 14px; border: 1px solid var(--outline); border-radius: 16px; box-shadow: none;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .2s;
}
.study a { color: var(--ink); font-size: 14.5px; line-height: 1.45; }
.study a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.study .meta { margin: 0; font-size: 11px; line-height: 1.5; }
@media (hover: hover) {
  .study:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); border-color: #D4D4D8; }
  .study:hover a { color: var(--primary); }
}

/* ---------- Close ---------- */
.sci-close { position: relative; overflow: hidden; margin-top: 64px; padding: 120px 0 110px; text-align: center; border-top: 1px solid var(--line); }
.sci-close-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(239,74,43,.10), transparent 70%),
    linear-gradient(to right, rgba(10,10,11,.05) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(to bottom, rgba(10,10,11,.05) 1px, transparent 1px) 0 0 / 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 20%, #000 10%, transparent 70%);
          mask-image: radial-gradient(ellipse 60% 70% at 50% 20%, #000 10%, transparent 70%);
}
.sci-close-inner { position: relative; }
.sci-close h2 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.04; max-width: 15em; margin: 0 auto; }
.sci-close .accent { color: var(--accent-fill); }
.sci-close p { margin: 18px auto 0; max-width: 34em; font-size: 18px; color: var(--nav-ink); }
.sci-close .fine { margin-top: 14px; font-size: 13.5px; color: var(--muted); }
.sci-close .store-badge { display: inline-flex; }
.sci-close .store-badge img { height: 48px; width: auto; }

/* ---------- Entrance ---------- */
.js-sci .science-sec > *, .js-sci .sci-hero-copy > *, .js-sci .sci-hero .science-hero-fig {
  opacity: 0; transform: translateY(16px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.js-sci .is-in > *, .js-sci .sci-hero.is-in .sci-hero-copy > *, .js-sci .sci-hero.is-in .science-hero-fig { opacity: 1; transform: none; }
.js-sci .sci-hero-copy > :nth-child(2) { transition-delay: 60ms; }
.js-sci .sci-hero-copy > :nth-child(3) { transition-delay: 140ms; }
.js-sci .sci-hero-copy > :nth-child(4) { transition-delay: 220ms; }
.js-sci .sci-hero-copy > :nth-child(5) { transition-delay: 300ms; }
.js-sci .sci-hero .science-hero-fig { transition-delay: 180ms; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .sci-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .sci-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 0; }
  .sci-side { min-width: 0; }
  /* The contents become a pill row that sticks under the header. */
  .sci-side {
    position: sticky; top: var(--hdr-h, 64px); z-index: 20; padding: 10px 0; margin: 0 -24px;
    background: rgba(255,255,255,.88);
    -webkit-backdrop-filter: saturate(180%) blur(12px); backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
  }
  .sci-side-k, .sci-side-cta { display: none; }
  .sci-side .toc { display: flex; flex-wrap: nowrap; gap: 6px; overflow-x: auto; padding: 0 24px; scrollbar-width: none; }
  .sci-side .toc::-webkit-scrollbar { display: none; }
  .sci-side .toc::before, .sci-side .toc::after { display: none; }
  .sci-side .toc a { flex: none; font-size: 14px; padding: 7px 12px; border: 1px solid var(--outline); border-radius: 999px; background: #fff; }
  .science-page { max-width: none; }
}
@media (max-width: 720px) {
  .sci-hero { padding: 40px 0 48px; }
  .sci-hero .lede { font-size: 17px; }
  .sci-facts dd { font-size: 26px; }
  .sci-facts div { padding: 0 16px; }
  .sci-side { margin: 0 -16px; }
  .sci-side .toc { padding: 0 16px; }
  .science-sec { padding-top: 44px; }
  .claim-card { padding: 18px 18px 16px; }
  .science-fig { padding: 16px 14px 14px; }
  .study-list { grid-template-columns: 1fr; }
  .sci-close { padding: 88px 0 80px; }
}

/* Phones first: labels hold at 12px and the contents pills are 44px targets. */
@media (max-width: 720px) {
  .sec-num, .sec-tag, .claim-label, .sources-label, .science-fig figcaption, .study .meta, .aside .aside-label { font-size: 12px; }
  .sci-side .toc a { min-height: 44px; align-items: center; }
  .sci-side .toc a b { font-size: 12px; }
}