:root{
  --ink:#10223d;
  --ivory:#f3ebdd;
  --paper:#fffaf1;
  --coral:#f15a4a;
  --sage:#87a878;
  --cyan:#5fb6c9;
  --lav:#8a78a6;
  --line:rgba(16,34,61,.18);
  --font-sans:"Inter","Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --font-serif:Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
main{overflow:hidden}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px}

/* ---------- nav ---------- */
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 4vw;border-bottom:1px solid var(--line);background:rgba(243,235,221,.93);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.wordmark{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.13em}
.wordmark-dot{width:15px;height:15px;background:var(--coral);border:4px solid var(--ink);border-radius:50%;box-shadow:9px 0 0 -3px var(--cyan)}
.nav-links{display:flex;gap:34px;font-size:14px;font-weight:600}
.nav-links a:hover{color:var(--coral)}
.nav-paper{font-size:14px;border:1px solid var(--ink);padding:11px 16px;border-radius:999px;font-weight:600}
.nav-paper span{color:var(--coral);margin-left:8px}

/* ---------- hero ---------- */
.hero{min-height:720px;display:grid;grid-template-columns:1.03fr .97fr;border-bottom:1px solid var(--line)}
.hero-copy{padding:78px 6vw 65px 7vw}
.eyebrow,.section-kicker{font-family:var(--font-mono);letter-spacing:.14em;font-size:12px;font-weight:700;text-transform:uppercase}
.eyebrow span{background:var(--ink);color:var(--ivory);padding:7px 10px;margin-right:8px}
.hero h1{font-size:clamp(72px,9vw,142px);line-height:.82;letter-spacing:-.07em;margin:52px 0 42px;font-weight:800}
.hero h1 em,.idea h2 em,.ccn h2 em{font-family:var(--font-serif);font-weight:400;color:var(--coral);font-style:italic}
.dek{font-family:var(--font-serif);font-size:22px;line-height:1.5;max-width:650px;margin:0 0 30px}
.authors{display:flex;gap:10px;flex-wrap:wrap;font-size:16px;font-weight:600}
.authors a{text-decoration:underline;text-decoration-color:var(--coral);text-underline-offset:4px}
.affiliation{font-size:15px;opacity:.75;margin:10px 0 0}
.contact{margin:12px 0 28px;font-size:15px;line-height:1.65}
.contact a{font-family:var(--font-mono);font-size:14px;border-bottom:1px solid var(--coral);padding-bottom:1px}
.contact span{display:block;opacity:.78;margin-top:5px}

.link-row{display:flex;gap:9px;flex-wrap:wrap}
.link-row a{display:flex;align-items:center;border:1px solid var(--ink);background:rgba(255,250,241,.45);padding:7px 10px 7px 7px;border-radius:999px;min-width:118px;transition:.2s}
.link-row a:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.link-row i{font-style:normal;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font-size:12px;font-weight:700}
.link-row span{font-size:14px;font-weight:600;margin-left:9px}
.link-row b{font-size:12px;margin-left:auto;font-weight:400}

/* ---------- hero visual ---------- */
.hero-visual{position:relative;background:var(--ink);min-height:720px;overflow:hidden}
.orbit{position:absolute;border:1px solid rgba(255,255,255,.15);border-radius:50%}
.orbit-a{width:570px;height:570px;right:-130px;top:-100px}
.orbit-b{width:420px;height:420px;left:-130px;bottom:-100px}
.memory-card,.graph-card{position:absolute;background:var(--paper);border-radius:24px;padding:24px;box-shadow:0 20px 40px rgba(0,0,0,.18)}
.memory-card{top:92px;left:8%;width:58%;transform:rotate(-2deg)}
.graph-card{top:340px;right:7%;width:59%;transform:rotate(2deg)}
.memory-label{font-family:var(--font-mono);font-size:14px;letter-spacing:.1em;font-weight:700;opacity:1}
.latent-row{display:flex;align-items:center;justify-content:space-between;margin-top:26px}
.latent-row span{background:#ffe0d8;border:2px solid var(--coral);border-radius:14px;padding:15px 12px;font-family:var(--font-serif);font-size:22px;line-height:1}
.latent-row i{font-style:normal;color:var(--coral);font-size:32px;font-weight:700;line-height:1;padding:0 6px}
.query-line{position:absolute;left:29%;top:292px;width:45%;height:2px;background:repeating-linear-gradient(90deg,var(--lav) 0 8px,transparent 8px 14px);transform:rotate(16deg)}
.query-line:after{content:"↓";color:var(--lav);position:absolute;right:-4px;top:-11px;font-size:25px}
.query-line span{color:#fff;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;position:absolute;left:35%;top:-26px}
.graph-card img{width:100%;margin:18px 0 0;border-radius:8px;mix-blend-mode:multiply}
.visual-caption{position:absolute;bottom:44px;left:8%;color:#fff;font-family:var(--font-serif);font-size:19px;line-height:1.45;margin:0}
.visual-caption b{color:var(--coral)}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border-bottom:1px solid var(--line)}
.metrics article{padding:38px 34px 34px;border-right:1px solid var(--line);position:relative}
.metrics article:last-child{border-right:0}
.metric-index{position:absolute;right:20px;top:20px;font-family:var(--font-mono);font-size:10px;opacity:.5}
.metrics strong{font-family:var(--font-serif);font-size:48px;color:var(--coral);font-weight:400;line-height:1}
.metrics h2{font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:10px 0 10px}
.metrics p{font-size:14px;line-height:1.55;opacity:.78;margin:0;max-width:215px}
.metric-open{background:rgba(16,34,61,.045)}
.metric-open strong{color:var(--ink)}

/* ---------- sections ---------- */
.section{padding:110px 7vw}
.section-kicker{border-top:1px solid currentColor;padding-top:14px;margin-bottom:54px}
.idea h2,.ccn h2,.limits h2,.section-heading-row h2,.evidence h2{font-size:clamp(40px,5vw,70px);line-height:1.05;letter-spacing:-.05em;margin:0}
.prose{padding-top:8px}
.idea-grid{display:grid;grid-template-columns:1fr 1fr;gap:8vw}
.lead{font-family:var(--font-serif);font-size:23px;line-height:1.5;margin-top:0}
.prose>p:not(.lead){font-size:16px;line-height:1.75;opacity:.8}
.three-beats{margin-top:42px;border-top:1px solid var(--line)}
.three-beats div{display:grid;grid-template-columns:40px 104px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);align-items:center}
.three-beats b{color:var(--coral);font-family:var(--font-mono);font-size:12px}
.three-beats strong{font-size:15px;font-weight:600}
.three-beats span{font-size:14px;opacity:.75}

/* ---------- figures ---------- */
.figure{margin:0}
.wide-figure{margin-top:75px}
.figure .zoom{display:block;padding:14px;border-radius:12px;cursor:zoom-in;transition:.2s;border:1px solid rgba(16,34,61,.1)}
.figure .zoom:hover{border-color:rgba(16,34,61,.3)}
.figure img{width:100%;mix-blend-mode:multiply}
.figure figcaption{font-size:14px;line-height:1.65;margin-top:16px;display:flex;gap:20px;opacity:.8;max-width:920px}
.figure figcaption span{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--coral);white-space:nowrap;padding-top:2px}

/* photo-heavy figures on a tinted section: multiply muddies the mid-tones,
   so give them a warm plate and blend normally */
.photo-figure .zoom{background:var(--paper);border-color:rgba(16,34,61,.14);padding:18px}
.photo-figure img{mix-blend-mode:normal;border-radius:4px}

/* dark section: multiply would black the figure out, so keep a light plate */
.dark-figure .zoom{background:var(--paper);border-color:rgba(255,255,255,.2);padding:18px}
.dark-figure .zoom:hover{border-color:rgba(255,255,255,.5)}
.dark-figure figcaption{color:rgba(243,235,221,.75);opacity:1}

/* ---------- method ---------- */
.method{background:var(--paper)}
.section-heading-row{display:flex;justify-content:space-between;gap:60px;align-items:end}
.section-heading-row h2{max-width:780px}
.section-heading-row>p{max-width:420px;font-size:16px;line-height:1.7;opacity:.8}
.method-steps{display:grid;grid-template-columns:repeat(3,1fr);margin:70px 0 50px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.method-steps article{padding:30px}
.method-steps article{border-right:1px solid var(--line)}
.method-steps article:first-child{padding-left:0}
.method-steps article:last-child{border-right:0}
.method-steps span{font-family:var(--font-mono);font-size:11px;color:var(--coral);letter-spacing:.1em}
.method-steps h3{font-family:var(--font-serif);font-size:26px;margin:16px 0;font-weight:400}
.method-steps p{font-size:15px;line-height:1.7;opacity:.8}

/* ---------- evidence ---------- */
.evidence{background:#dfe8dc}
.evidence-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:6vw;align-items:start}
.evidence-copy>p{font-size:16px;line-height:1.7;opacity:.8;margin:28px 0 44px}
.result-bars p{display:grid;grid-template-columns:126px 1fr 44px;align-items:center;gap:12px;font-size:14px;margin:0 0 13px}
.result-bars i{height:12px;background:rgba(16,34,61,.1);border-radius:10px;overflow:hidden}
.result-bars i b{display:block;height:100%;border-radius:10px;background:var(--coral)}
.result-bars p:first-child i b{background:var(--ink)}
.result-bars p:nth-child(3) i b{background:var(--lav)}
.result-bars p:nth-child(4) i b{background:rgba(16,34,61,.3)}
.result-bars strong{font-family:var(--font-mono);font-size:13px;font-weight:600;text-align:right}
.evidence-copy small{font-family:var(--font-mono);font-size:11px;opacity:.7;display:block;margin-top:10px}

/* ---------- ccn ---------- */
.ccn{background:var(--ink);color:var(--ivory)}
.light{color:rgba(243,235,221,.75)}
.ccn-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:7vw;align-items:end}
.ccn h2 em{color:var(--cyan)}
.ccn-lead{font-family:var(--font-serif);font-size:20px;line-height:1.6;margin:0;color:rgba(243,235,221,.85)}
.ccn-figs{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:60px 0}
.ccn-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16)}
.ccn-cards article{background:var(--ink);padding:26px}
.ccn-cards b{color:var(--coral);font-size:14px;display:block;margin-bottom:12px}
.ccn-cards p{font-size:14px;line-height:1.7;color:rgba(243,235,221,.78);margin:0}
.ccn-cards i{font-style:italic;color:rgba(243,235,221,.95)}

/* ---------- limits ---------- */
.limits{background:var(--ivory)}
.limits-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:6vw}
.limits-grid>div>p{font-size:16px;line-height:1.7;opacity:.8;margin:35px 0}
.limits .pull{font-family:var(--font-serif);font-size:21px;line-height:1.55;border-left:4px solid var(--coral);margin:45px 0 0;padding:4px 0 4px 22px;opacity:1}

/* ---------- citation ---------- */
.citation{background:var(--coral);color:var(--ink);display:grid;grid-template-columns:.9fr 1.1fr;gap:7vw}
.citation h2{font-size:clamp(42px,5vw,62px);letter-spacing:-.05em;margin:0 0 20px}
.citation>div>p{font-family:var(--font-serif);font-size:19px;line-height:1.5;max-width:550px}
.inverse{margin-top:30px}
.inverse a{background:rgba(255,255,255,.25)}
.inverse a:hover{background:var(--ink)}
.inverse i{background:var(--ink)}
pre{margin:0;background:var(--ink);color:#d9e4dd;padding:35px;border-radius:2px;overflow:auto;box-shadow:14px 14px 0 rgba(16,34,61,.15)}
code{font-family:var(--font-mono);font-size:13px;line-height:1.75}

/* ---------- footer ---------- */
footer{min-height:100px;background:var(--ink);color:var(--ivory);display:flex;align-items:center;justify-content:space-between;padding:24px 7vw;font-size:13px;gap:20px;flex-wrap:wrap}
footer p{opacity:.7;margin:0}
footer a[href^="mailto"]{border-bottom:1px solid rgba(243,235,221,.45)}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .nav-links{display:none}
  .hero{grid-template-columns:1fr}
  .hero-visual{min-height:640px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics article:nth-child(2){border-right:0}
  .idea-grid,.evidence-grid,.ccn-intro,.limits-grid,.citation,.ccn-figs{grid-template-columns:1fr}
  .ccn-intro{gap:34px;align-items:start}
  .ccn-figs{gap:60px}
  .section-heading-row{display:block}
  .section-heading-row>p{margin-top:25px}
  .limits-grid{gap:70px}
  .citation pre{margin-top:10px}
}

@media(max-width:650px){
  .nav{padding:0 20px}
  .nav-paper{font-size:0;padding:11px 14px}
  .nav-paper span{font-size:15px;margin:0}
  .hero-copy{padding:56px 22px}
  .hero h1{font-size:66px;line-height:.9;margin:38px 0 32px}
  .dek{font-size:19px}
  .eyebrow{line-height:2.6}
  .hero-visual{min-height:560px}
  .memory-card{left:5%;width:78%;top:64px}
  .graph-card{right:5%;width:78%;top:270px}
  .query-line{top:238px;left:24%;width:50%}
  .visual-caption{bottom:18px;font-size:16px}
  .metrics article{padding:26px 20px}
  .metrics strong{font-size:38px}
  .section{padding:72px 22px}
  .section-kicker{margin-bottom:36px}
  .three-beats div{grid-template-columns:30px 84px 1fr;gap:8px}
  .method-steps{grid-template-columns:1fr}
  .method-steps article,.method-steps article:first-child{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .method-steps article:last-child{border-bottom:0}
  .figure .zoom{padding:8px;border-radius:8px}
  .figure figcaption{display:block}
  .figure figcaption span{display:block;margin-bottom:6px}
  .result-bars p{grid-template-columns:104px 1fr 40px;font-size:13px}
  .ccn-cards{grid-template-columns:1fr}
  pre{padding:22px}
  code{font-size:11px}
  footer{flex-direction:column;align-items:flex-start;gap:18px;padding:34px 22px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .link-row a,.figure .zoom{transition:none}
}