/* ═══════════════════════════════════════════════════════════════════════
   /for/universities — audience: academic research.
   NOUN = the reproducible research corpus.
   Signature: a pinned canvas scrollytelling stage where the scattered web
   assembles into a dataset under scroll, then FREEZES into a citeable
   snapshot. Then an editorial cite act, a purple access band (diagonal
   wipe), and the closer. Accent PURPLE, hairline-on-transparent, no fills.
   ═══════════════════════════════════════════════════════════════════════ */
@import url("../../_ds/fonts.css");
@import url("../../_ds/theme.css");
@import url("../../_shared/chrome.css");
@import url("../../_shared/components.css");
@import url("../../_shared/audience-switcher.css");

.un-main { position: relative; z-index: 1; overflow-x: clip; }
.blur-t { opacity: 0; filter: blur(12px); transition: opacity 760ms cubic-bezier(0.22,1,0.36,1), filter 760ms cubic-bezier(0.22,1,0.36,1); transform: translateZ(0); backface-visibility: hidden; will-change: filter, opacity; }
.blur-t.is-in { opacity: 1; filter: blur(0); }
@media (prefers-reduced-motion: reduce) { .blur-t { opacity: 1; filter: none; transition: none; } }

/* ─────────────────────────────────────────────────────────────────────
   THE CORPUS STAGE — pinned canvas, scroll-driven phases
   ───────────────────────────────────────────────────────────────────── */
.un-stage { position: relative; height: 380vh; }
.un-stage-pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; place-items: center; }
.un-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }

.un-layer { position: absolute; z-index: 1; width: min(90vw, 1080px); text-align: center; opacity: 0; transition: opacity 620ms cubic-bezier(0.22,1,0.36,1); pointer-events: none; padding-inline: 20px; }
[data-phase="intro"] .un-layer--intro { opacity: 1; }
[data-phase="collect"] .un-layer--collect { opacity: 1; }
[data-phase="freeze"] .un-layer--frozen,
[data-phase="hold"] .un-layer--frozen { opacity: 1; }

/* intro */
.un-q { font-family: var(--font-code); font-size: clamp(12px, 1.15vw, 15px); letter-spacing: 0.01em; color: var(--text-tertiary); margin: 0 auto 30px; max-width: 46ch; line-height: 1.55; }
.un-q span { color: #7C4FE8; }
.un-h1 { font-family: var(--font-display); font-weight: 500; font-size: var(--mkt-hero-xl); line-height: 0.94; letter-spacing: -0.035em; color: var(--text-primary); margin: 0; }
.un-h1 em { font-style: normal; color: var(--text-primary); }
.un-hint { font-family: var(--font-code); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-quaternary); margin: 40px 0 0; animation: un-bob 2.4s cubic-bezier(0.45,0,0.55,1) infinite; }
@keyframes un-bob { 0%,100% { transform: translateY(0); opacity: 0.55; } 50% { transform: translateY(5px); opacity: 1; } }

/* collect — the count is the hero of this phase */
.un-collect-label { font-family: var(--font-code); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-tertiary); margin: 0; }
.un-collect-n { font-family: var(--font-display); font-weight: 500; font-size: clamp(72px, 15vw, 240px); line-height: 0.9; letter-spacing: -0.04em; color: var(--text-primary); margin: 6px 0 0; font-variant-numeric: tabular-nums; }
.un-collect-sub { font-family: var(--font-code); font-size: clamp(12px, 1.1vw, 15px); color: var(--text-secondary); margin: 14px 0 0; }
.un-collect-sub span { color: var(--text-primary); }

/* keep the overlay text readable over the dot grid */
.un-collect-label, .un-collect-n, .un-collect-sub,
.un-frozen-tag, .un-frozen-meta, .un-frozen-note { text-shadow: 0 2px 22px rgba(0,0,0,0.6); }

/* frozen — the snapshot label, crystallised */
.un-frozen-tag { font-family: var(--font-code); font-size: 12px; letter-spacing: 0.26em; text-transform: uppercase; color: #9E7CFF; margin: 0; }
.un-frozen-meta { font-family: var(--font-code); font-size: clamp(13px, 1.4vw, 19px); color: var(--text-primary); margin: 16px 0 0; letter-spacing: 0.01em; }
.un-frozen-note { font-family: var(--font-display); font-size: var(--mkt-h3); line-height: 1.15; letter-spacing: -0.02em; color: var(--text-primary); margin: 26px auto 0; max-width: 20ch; }

/* ─────────────────────────────────────────────────────────────────────
   Act 2 — The proof: reproducibility diptych (mirrored, centre seam)
   ───────────────────────────────────────────────────────────────────── */
.un-proof { max-width: 1180px; margin-inline: auto; padding: clamp(84px, 14vh, 184px) clamp(20px, 5vw, 72px); text-align: center; }
.un-proof-head { max-width: 720px; margin-inline: auto; }
.un-proof-h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(34px, 4.8vw, 68px); line-height: 0.98; letter-spacing: -0.03em; color: var(--text-primary); margin: 0; }
.un-proof-h2 em { font-style: normal; color: var(--text-primary); }
.un-proof-sub { font-family: var(--font-base); font-size: var(--mkt-body); line-height: 1.55; color: var(--text-secondary); margin: 18px auto 0; max-width: 48ch; }
.un-diptych { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 0; margin-top: clamp(38px, 6vh, 76px); }
.un-run { text-align: left; padding: clamp(26px, 3vw, 40px); border: 1px solid var(--border-subtle); }
.un-run:first-of-type { border-radius: 16px 0 0 16px; border-right: none; }
.un-run:last-of-type { border-radius: 0 16px 16px 0; border-left: none; }
.un-run-label { font-family: var(--font-code); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-tertiary); margin: 0; }
.un-run-date { font-family: var(--font-display); font-size: var(--mkt-h3); letter-spacing: -0.01em; color: var(--text-primary); margin: 10px 0 22px; font-variant-numeric: tabular-nums; }
.un-run-meta { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; margin: 0; }
.un-run-meta dt { font-family: var(--font-code); font-size: 12px; color: var(--text-tertiary); }
.un-run-meta dd { font-family: var(--font-code); font-size: 12.5px; color: var(--text-secondary); margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.un-diptych.is-match .un-run-meta dd { color: var(--text-primary); }
.un-seam { position: relative; width: clamp(64px, 8vw, 120px); display: grid; place-items: center; overflow: hidden; }
.un-seam::before { content: ""; position: absolute; top: 12%; bottom: 12%; left: 50%; width: 1px; background: var(--border-subtle); transform: translateX(-0.5px); }
.un-scan { position: absolute; top: 0; bottom: 0; left: 0; width: 200%; transform: translateX(-100%); background: linear-gradient(90deg, transparent, #9E7CFF, transparent); opacity: 0; }
.un-proof.is-in .un-scan { animation: un-scan-move 1500ms cubic-bezier(0.5,0,0.2,1) 180ms forwards; }
@keyframes un-scan-move { 0% { transform: translateX(-100%); opacity: 0.9; } 100% { transform: translateX(50%); opacity: 0; } }
.un-seam-badge { position: relative; z-index: 1; font-family: var(--font-code); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-quaternary); background: var(--background); padding: 8px 6px; border: 1px solid var(--border-subtle); border-radius: 999px; writing-mode: vertical-rl; text-orientation: mixed; transition: color 300ms ease, border-color 300ms ease; }
.un-diptych.is-match .un-seam-badge { color: #7C4FE8; border-color: color-mix(in srgb, #7C4FE8 45%, transparent); }

/* ─────────────────────────────────────────────────────────────────────
   Act 3 — In the paper: manuscript with in-text cite ↔ reference
   ───────────────────────────────────────────────────────────────────── */
.un-paper { max-width: 900px; margin-inline: auto; padding: clamp(70px, 12vh, 150px) clamp(20px, 5vw, 72px); }
.un-paper-head { max-width: 640px; margin-bottom: clamp(34px, 5vh, 60px); }
.un-paper-h2 { font-family: var(--font-display); font-weight: 500; font-size: var(--mkt-h2); line-height: 1.02; letter-spacing: -0.024em; color: var(--text-primary); margin: 0; }
.un-paper-h2 em { font-style: normal; color: var(--text-primary); }
.un-ms { margin: 0; max-width: 660px; border-left: 1px solid var(--border-subtle); padding: 8px 0 8px clamp(22px, 3vw, 44px); }
.un-ms-para { font-family: var(--font-base); font-size: var(--mkt-lead); line-height: 1.75; color: var(--text-secondary); margin: 0; text-align: justify; }
.un-ms-cite { color: #7C4FE8; text-decoration: none; cursor: pointer; padding: 0 2px; border-radius: 3px; transition: background 200ms ease, color 200ms ease; }
.un-ms-cite:hover, .un-ms-cite:focus-visible, .un-ms-cite.is-lit { background: color-mix(in srgb, #7C4FE8 16%, transparent); color: var(--text-primary); outline: none; }
.un-ms-rule { border: none; border-top: 1px solid var(--border-subtle); margin: clamp(26px, 4vh, 40px) 0 20px; }
.un-ms-refhead { font-family: var(--font-code); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-tertiary); margin: 0 0 12px; }
.un-ms-ref { font-family: var(--font-base); font-size: var(--mkt-body-sm); line-height: 1.6; color: var(--text-tertiary); margin: 0; padding: 8px 10px; border-radius: 6px; transition: background 200ms ease, color 200ms ease; }
.un-ms-ref.is-lit { background: color-mix(in srgb, #7C4FE8 12%, transparent); color: var(--text-secondary); }
.un-ms-refn { color: #7C4FE8; margin-right: 8px; }

/* ─────────────────────────────────────────────────────────────────────
   Act 4 — Fields index: numbered editorial staircase (left-anchored)
   ───────────────────────────────────────────────────────────────────── */
.un-fields { max-width: 1180px; margin-inline: auto; padding: clamp(70px, 12vh, 150px) clamp(20px, 5vw, 72px); }
.un-fields-h2 { font-family: var(--font-display); font-weight: 500; font-size: var(--mkt-h2); line-height: 1.0; letter-spacing: -0.026em; color: var(--text-primary); margin: 0 0 clamp(20px, 3vh, 40px); }
.un-fields-list { list-style: none; margin: 0; padding: 0; }
.un-field { display: grid; grid-template-columns: clamp(48px, 5vw, 88px) minmax(0, 1fr) minmax(0, 1.1fr); align-items: baseline; gap: clamp(12px, 2vw, 40px); padding: clamp(20px, 2.6vw, 34px) 0; border-top: 1px solid var(--border-subtle); transition: padding-left 260ms cubic-bezier(0.22,1,0.36,1); }
.un-field:last-child { border-bottom: 1px solid var(--border-subtle); }
.un-field:hover { padding-left: clamp(8px, 1.4vw, 22px); }
.un-field-n { font-family: var(--font-code); font-size: 13px; color: var(--text-quaternary); font-variant-numeric: tabular-nums; }
.un-field-t { font-family: var(--font-display); font-size: var(--mkt-h4); line-height: 1.04; letter-spacing: -0.02em; color: var(--text-primary); transition: color 200ms ease; }
.un-field:hover .un-field-t { color: #7C4FE8; }
.un-field-d { font-family: var(--font-base); font-size: var(--mkt-body-sm); line-height: 1.5; color: var(--text-tertiary); }
@media (max-width: 760px) {
  .un-field { grid-template-columns: auto 1fr; }
  .un-field-d { grid-column: 1 / -1; }
}

/* ─────────────────────────────────────────────────────────────────────
   Act 5 — Academic access (dark ground, editorial 3-up, no fill)
   ───────────────────────────────────────────────────────────────────── */
.un-band { padding: clamp(80px, 13vh, 168px) clamp(20px, 5vw, 72px); }
.un-band-inner { max-width: 1200px; margin-inline: auto; }
.un-band-h2 { font-family: var(--font-display); font-weight: 500; font-size: var(--mkt-h2); line-height: 1.0; letter-spacing: -0.028em; color: var(--text-primary); margin: 0; }
.un-band-list { list-style: none; margin: clamp(30px, 4vh, 54px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 44px); }
.un-band-item { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--border-subtle); padding-top: 18px; }
.un-band-k { font-family: var(--font-display); font-size: clamp(18px, 1.8vw, 25px); color: var(--text-primary); }
.un-band-v { font-family: var(--font-base); font-size: 14.5px; line-height: 1.5; color: var(--text-secondary); max-width: 32ch; }

/* ─────────────────────────────────────────────────────────────────────
   Act 6 — Closer: left-anchored over a faint reformed corpus grid
   ───────────────────────────────────────────────────────────────────── */
.un-end { position: relative; overflow: hidden; isolation: isolate; min-height: 88vh; display: flex; align-items: center; padding: clamp(90px, 15vh, 200px) clamp(20px, 5vw, 72px); }
.un-end-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.un-end-inner { position: relative; z-index: 1; max-width: 760px; }
.un-end-h2 { font-family: var(--font-display); font-weight: 500; font-size: var(--mkt-hero); line-height: 0.94; letter-spacing: -0.032em; color: var(--text-primary); margin: 0; }
.un-end-h2 em { font-style: normal; color: var(--text-primary); }
.un-end-cta { margin-top: clamp(30px, 4vh, 48px); }
.un-end-links { font-family: var(--font-base); font-size: 14px; color: var(--text-tertiary); margin: 26px 0 0; }
.un-end-links a { color: var(--text-secondary); text-decoration: none; border-bottom: 1px solid var(--border); }
.un-end-links a:hover { color: var(--text-primary); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .un-diptych { grid-template-columns: 1fr; }
  .un-run:first-of-type { border-radius: 16px 16px 0 0; border-right: 1px solid var(--border-subtle); border-bottom: none; }
  .un-run:last-of-type { border-radius: 0 0 16px 16px; border-left: 1px solid var(--border-subtle); border-top: none; }
  .un-seam { width: 100%; height: 44px; }
  .un-seam::before { top: 50%; bottom: auto; left: 12%; right: 12%; width: auto; height: 1px; }
  .un-seam-badge { writing-mode: horizontal-tb; }
  .un-band-list { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 720px) {
  /* no scroll-scrub on phones: the canvas auto-plays scatter→assemble→freeze
     once on entry (time-driven, see universities.js), with the headline held
     on top of the grid. Collect/frozen text layers stay hidden. */
  .un-stage { height: auto; }
  .un-stage-pin { position: relative; height: 86vh; }
  .un-layer { position: relative; opacity: 1 !important; }
  [data-phase] .un-layer--collect, [data-phase] .un-layer--frozen { display: none; }
  .un-hint, .un-q { display: none; }
}
@media (min-width: 1600px) {
  .un-proof, .un-fields { max-width: 1440px; }
  
}
@media (prefers-reduced-motion: reduce) {
  .un-hint { animation: none; }
}