/* =============================================================
   diegoknochenhauer.store — shared stylesheet
   Used by index.html and every page in /research/
   ============================================================= */
:root{
  --bg:#ffffff;
  --bg-alt:#f5f5f7;
  --ink:#1d1d1f;
  --ink-2:#6e6e73;
  --ink-3:#86868b;
  --line:#d2d2d7;
  --line-soft:#e8e8ed;
  --blue:#0066cc;
  --blue-hover:#0077ed;
  --blue-bright:#2997ff;
  --dark:#000000;
  --dark-2:#161617;
  --dark-3:#1d1d1f;
  --dark-line:#2c2c2e;
  --gold:#b8942e;
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1080px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:60px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:17px;line-height:1.5;letter-spacing:-.018em;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--blue-bright);outline-offset:3px;border-radius:6px}
::selection{background:#b3d7ff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.narrow{max-width:760px}

/* ---------- Progress bar (research pages) ---------- */
#progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--blue);z-index:200}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.nav-row{max-width:var(--wrap);margin:0 auto;padding:0 22px;height:52px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:22px;width:auto}
.nav-links{display:flex;gap:22px;list-style:none}
.nav-links a{color:var(--ink);font-size:13px;opacity:.8;transition:opacity .2s}
.nav-links a:hover,.nav-links a.active{opacity:1;text-decoration:none}
.nav-links a.active{color:var(--blue)}
.nav-cv{font-size:12px;background:var(--blue);color:#fff;padding:6px 14px;border-radius:980px;white-space:nowrap}
.nav-cv:hover{background:var(--blue-hover);text-decoration:none}
.menu-btn{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.menu-btn span{display:block;width:18px;height:1.5px;background:var(--ink);margin:5px auto;transition:transform .25s var(--ease)}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
@media (max-width:920px){
  .nav-links{display:none;position:fixed;top:52px;left:0;right:0;bottom:0;flex-direction:column;gap:0;background:rgba(255,255,255,.98);padding:12px 26px 30px;overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:15px 0;font-size:24px;font-weight:600;opacity:1;border-bottom:1px solid var(--line-soft)}
  .menu-btn{display:block}
  .nav-cv{margin-left:auto}
}

/* ---------- Type ---------- */
.eyebrow{font-size:19px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.display{font-size:clamp(46px,8.4vw,100px);font-weight:700;line-height:1.02;letter-spacing:-.04em}
.headline{font-size:clamp(34px,5.2vw,60px);font-weight:700;line-height:1.07;letter-spacing:-.03em}
.title{font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.15;letter-spacing:-.022em}
.lede{font-size:clamp(19px,2.1vw,23px);line-height:1.42;color:var(--ink-2);max-width:42ch}
.sub{font-size:clamp(22px,2.8vw,32px);font-weight:600;letter-spacing:-.02em;color:var(--ink);margin-top:10px}
.muted{color:var(--ink-2)}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.prose-block p{margin-bottom:18px;color:var(--ink-2);font-size:19px;line-height:1.55;max-width:66ch}
.prose-block p strong{color:var(--ink);font-weight:600}

/* ---------- Buttons ---------- */
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.center .actions{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:17px;padding:12px 24px;border-radius:980px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .2s,color .2s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-hover)}
.btn-secondary{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-secondary:hover{background:var(--blue);color:#fff}

/* ---------- Sections ---------- */
.section{padding:120px 0}
.alt{background:var(--bg-alt)}
.dark{background:var(--dark);color:#f5f5f7}
.dark .lede,.dark .muted,.dark .eyebrow{color:#a1a1a6}
.dark a{color:var(--blue-bright)}
.sec-head{margin-bottom:60px}
.sec-head .lede{margin-top:18px}
.divider{height:1px;background:var(--line);margin:90px 0}

/* ---------- Hero ---------- */
.hero{padding:96px 0 0;text-align:center;overflow:hidden}
.hero .lede{margin:24px auto 0;max-width:46ch}
.hero-facts{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 28px;margin-top:26px;font-size:14px;color:var(--ink-2)}
.hero-photo{position:relative;margin:64px auto 0;max-width:440px;aspect-ratio:4/5;border-radius:var(--r-lg) var(--r-lg) 0 0;overflow:hidden;background:var(--bg-alt)}
.hero-photo img.photo{width:100%;height:100%;object-fit:cover}
.hero-photo .mark{position:absolute;right:20px;bottom:20px;width:92px;opacity:.9;filter:drop-shadow(0 2px 8px rgba(0,0,0,.35))}

/* ---------- Banner ---------- */
.banner{padding:150px 0 130px;text-align:center}
.banner-year{font-size:clamp(96px,21vw,250px);font-weight:700;line-height:.9;letter-spacing:-.055em;background:linear-gradient(180deg,#f3d98a 0%,#c9a23a 55%,#7a5c14 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner .headline{margin-top:4px}
.banner .lede{margin:20px auto 0;max-width:40ch}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:84px;background:var(--dark-line);border-radius:var(--r-md);overflow:hidden;text-align:left}
.metric{display:flex;flex-direction:column;background:var(--dark-2);padding:32px 26px;color:inherit;transition:background .25s}
.metric:hover{background:#1f1f21;text-decoration:none}
.metric em{margin-top:auto;padding-top:22px;font-style:normal;font-size:14px;color:var(--blue-bright)}
.metric em::after{content:" \203A"}
.metric b{display:block;font-size:clamp(34px,4.2vw,50px);font-weight:700;letter-spacing:-.03em;color:#f5f5f7;line-height:1.05}
.metric span{display:block;margin-top:8px;font-size:14px;color:#a1a1a6;line-height:1.4}
.criteria{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:34px}
.criteria span{font-size:14px;color:#d2d2d7;border:1px solid #3a3a3c;border-radius:980px;padding:7px 16px}
@media (max-width:760px){.metrics{grid-template-columns:repeat(2,1fr)}}

/* ---------- Profile ---------- */
.profile{display:grid;grid-template-columns:1.35fr .65fr;gap:64px;align-items:start}
.facts{list-style:none;border-top:1px solid var(--line)}
.facts li{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line);font-size:15px}
.facts li span:first-child{color:var(--ink-2)}
.facts li span:last-child{text-align:right;font-weight:500}
@media (max-width:900px){.profile{grid-template-columns:1fr;gap:44px}}

/* ---------- Story timeline ---------- */
.story{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.story::before{content:"";position:absolute;top:8px;left:0;right:0;height:2px;background:var(--line)}
.step{position:relative;padding-top:40px}
.step::before{content:"";position:absolute;top:0;left:0;width:18px;height:18px;border-radius:50%;background:var(--bg);border:2px solid var(--ink)}
.alt .step::before{background:var(--bg-alt)}
.step.win::before{background:var(--gold);border-color:var(--gold)}
.step time{font-size:14px;font-weight:600;color:var(--ink-2)}
.step h3{font-size:21px;font-weight:600;margin:6px 0 8px;letter-spacing:-.02em}
.step p{font-size:15px;color:var(--ink-2)}
@media (max-width:900px){
  .story{grid-template-columns:1fr;gap:0}
  .story::before{top:0;bottom:0;left:8px;right:auto;width:2px;height:auto}
  .step{padding:0 0 34px 42px}
}

/* ---------- Feature (two-column role) ---------- */
.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.feature .title{margin-bottom:12px}
.role-meta{font-size:15px;color:var(--ink-2);margin-bottom:22px;line-height:1.55}
.points{list-style:none;display:grid;gap:22px}
.points li{padding-left:24px;position:relative;font-size:17px;color:var(--ink-2)}
.points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--blue)}
.points b{font-weight:600;color:var(--ink)}
@media (max-width:900px){.feature{grid-template-columns:1fr;gap:36px}}

/* ---------- Tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tiles.three{grid-template-columns:repeat(3,1fr)}
.tile{background:var(--bg-alt);border-radius:var(--r-lg);padding:40px 36px;display:flex;flex-direction:column}
.alt .tile{background:#fff}
.dark .tile{background:var(--dark-2)}
.tile.wide{grid-column:1/-1}
.tile .when{font-size:14px;font-weight:600;color:var(--ink-2)}
.dark .tile .when{color:#a1a1a6}
.tile h3{font-size:26px;font-weight:600;letter-spacing:-.022em;line-height:1.15;margin:8px 0 4px}
.tile .where{font-size:15px;color:var(--ink-2);margin-bottom:18px}
.dark .tile .where{color:#a1a1a6}
.tile > p{font-size:16px;color:var(--ink-2);margin-bottom:10px}
.dark .tile > p{color:#d2d2d7}
.list{list-style:none;display:grid;gap:10px}
.list li{font-size:16px;padding-left:18px;position:relative;color:var(--ink-2)}
.list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--ink-3)}
.list b{color:var(--ink);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{font-size:13px;padding:5px 12px;border-radius:980px;border:1px solid var(--line);color:var(--ink-2)}
.dark .chip{border-color:#3a3a3c;color:#a1a1a6}
@media (max-width:900px){.tiles,.tiles.three{grid-template-columns:1fr}.tile{padding:32px 26px}}

/* ---------- Expandable (details/summary) ---------- */
details.acc{border-top:1px solid var(--line);margin-top:22px}
.dark details.acc{border-color:var(--dark-line)}
details.acc > summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0 4px;font-size:15px;font-weight:600;color:var(--blue)}
.dark details.acc > summary{color:var(--blue-bright)}
details.acc > summary::-webkit-details-marker{display:none}
details.acc > summary::after{content:"";width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-3px);transition:transform .25s var(--ease);flex-shrink:0}
details.acc[open] > summary::after{transform:rotate(-135deg) translateY(-2px)}
.acc-body{padding:12px 0 4px}
.acc-body p{font-size:16px;color:var(--ink-2);margin-bottom:12px;line-height:1.55}
.dark .acc-body p{color:#d2d2d7}
.acc-body .list{margin-bottom:10px}

/* ---------- Interest cards ---------- */
.interests{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;text-align:left;align-items:start}
details.interest{background:#fff;border-radius:var(--r-md);transition:box-shadow .25s}
details.interest:hover{box-shadow:0 6px 24px rgba(0,0,0,.06)}
details.interest > summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 28px}
details.interest > summary::-webkit-details-marker{display:none}
details.interest > summary span{display:grid;gap:2px}
details.interest > summary b{font-size:21px;font-weight:600;letter-spacing:-.02em}
details.interest > summary small{font-size:14px;color:var(--ink-2)}
details.interest > summary i{width:30px;height:30px;border-radius:50%;background:var(--bg-alt);position:relative;flex-shrink:0;transition:transform .3s var(--ease)}
details.interest > summary i::before,details.interest > summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--ink);transform:translate(-50%,-50%)}
details.interest > summary i::after{transform:translate(-50%,-50%) rotate(90deg)}
details.interest[open] > summary i{transform:rotate(45deg)}
details.interest .acc-body{padding:0 28px 26px}
@media (max-width:760px){.interests{grid-template-columns:1fr}}

/* ---------- Research cards ---------- */
.papers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.paper-card{display:flex;flex-direction:column;background:var(--dark-2);border-radius:var(--r-lg);padding:36px 32px;color:#f5f5f7;transition:transform .3s var(--ease),background .3s}
.paper-card:hover{text-decoration:none;transform:translateY(-4px);background:#1f1f21}
.paper-card .when{font-size:14px;font-weight:600;color:#a1a1a6}
.paper-card h3{color:#f5f5f7;font-size:26px;font-weight:600;letter-spacing:-.022em;margin:8px 0 12px}
.paper-card p{font-size:16px;color:#d2d2d7;line-height:1.5}
.paper-card dl{margin-top:22px;display:grid;gap:10px;border-top:1px solid var(--dark-line);padding-top:18px}
.paper-card dt{font-size:12px;color:#86868b}
.paper-card dd{font-size:14px;color:#f5f5f7}
.paper-card .go{margin-top:auto;padding-top:26px;color:var(--blue-bright);font-size:17px}
@media (max-width:900px){.papers{grid-template-columns:1fr}}

/* ---------- Skill bars ---------- */
.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:48px 64px;margin-top:100px}
.skill-group h3{font-size:21px;font-weight:600;margin-bottom:20px}
.bar{margin-bottom:17px}
.bar-top{display:flex;justify-content:space-between;gap:12px;font-size:15px;margin-bottom:7px}
.bar-top em{font-style:normal;color:#a1a1a6;font-size:14px}
.bar-track{height:4px;background:var(--dark-line);border-radius:4px;overflow:hidden}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,#2997ff,#7cc4ff);border-radius:4px;transition:width 1.2s var(--ease)}
@media (max-width:760px){.skills{grid-template-columns:1fr}}

/* ---------- Rows ---------- */
.rows{list-style:none;border-top:1px solid var(--line);margin-top:14px}
.rows li{display:grid;grid-template-columns:1fr auto;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.rows b{font-weight:600;font-size:16px}
.rows span{font-size:14px;color:var(--ink-2);text-align:right}
.rows .tag{font-size:12px;color:var(--blue);margin-left:8px;font-weight:500}
@media (max-width:600px){.rows li{grid-template-columns:1fr;gap:2px}.rows span{text-align:left}}

/* ---------- Coursework groups ---------- */
.course-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 40px}
.course-groups h4{font-size:14px;font-weight:600;color:var(--ink);margin:14px 0 6px}
.course-groups p{font-size:15px;color:var(--ink-2);margin:0}
@media (max-width:600px){.course-groups{grid-template-columns:1fr}}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.channels{list-style:none;display:grid;gap:14px}
.channels a{display:block;padding:20px 24px;border-radius:var(--r-md);background:var(--bg-alt);color:var(--ink);transition:background .2s}
.channels a:hover{text-decoration:none;background:#ebebef}
.channels small{display:block;font-size:13px;color:var(--ink-2)}
.channels strong{font-size:19px;font-weight:600;word-break:break-word}
.form{display:grid;gap:16px}
.form label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px}
.form input,.form textarea{width:100%;font:inherit;font-size:17px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,102,204,.15)}
.form textarea{min-height:160px;resize:vertical}
#form-status{font-size:15px;min-height:22px;color:var(--ink-2)}
@media (max-width:900px){.contact{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:34px 0 40px;font-size:12px;color:var(--ink-2)}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:18px}
.foot-top img{height:20px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a{color:var(--ink-2)}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* =============================================================
   RESEARCH PAGES
   ============================================================= */
.paper-hero{padding:72px 0 56px;background:var(--bg-alt)}
.crumb{font-size:13px;color:var(--ink-2);margin-bottom:34px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb span{color:var(--ink-3)}
.paper-kicker{font-size:17px;font-weight:600;color:var(--ink-2);margin-bottom:10px}
.paper-hero h1{font-size:clamp(40px,6vw,72px);font-weight:700;letter-spacing:-.035em;line-height:1.05;max-width:18ch}
.paper-hero .stand{font-size:clamp(19px,2.1vw,23px);color:var(--ink-2);margin-top:20px;max-width:52ch;line-height:1.45}
.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-top:44px}
.spec div{background:#fff;padding:18px 20px}
.spec dt{font-size:12px;color:var(--ink-2);margin-bottom:4px}
.spec dd{font-size:15px;font-weight:500}
.paper-body{padding:80px 0 40px}
.prose{max-width:720px}
.prose h2{font-size:32px;font-weight:700;letter-spacing:-.025em;margin:72px 0 18px;line-height:1.15}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:21px;font-weight:600;margin:40px 0 12px;letter-spacing:-.018em}
.prose p{font-size:18px;color:#424245;margin-bottom:18px;line-height:1.6}
.prose p strong,.prose li strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{margin:0 0 20px 22px;color:#424245}
.prose li{margin-bottom:10px;font-size:17px}
.prose code{font-family:var(--mono);font-size:.86em;background:var(--bg-alt);padding:2px 6px;border-radius:5px;color:var(--ink)}
.steps{list-style:none;counter-reset:step;margin:24px 0 10px!important;padding:0}
.steps > li{counter-increment:step;position:relative;padding:0 0 28px 56px;margin:0}
.steps > li::before{content:counter(step);position:absolute;left:0;top:-2px;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center}
.steps > li::after{content:"";position:absolute;left:16px;top:38px;bottom:6px;width:2px;background:var(--line-soft)}
.steps > li:last-child::after{display:none}
.steps > li h3{margin:2px 0 6px;font-size:19px}
.steps > li p{margin-bottom:0;font-size:17px}
.formula{background:var(--dark-2);color:#f5f5f7;border-radius:var(--r-md);padding:24px 26px;margin:26px 0;font-family:var(--mono);font-size:14px;line-height:1.95;overflow-x:auto;white-space:pre-wrap}
.formula .term{color:#7cc4ff}
.formula .cmt{color:#86868b}
.tbl-wrap{overflow-x:auto;margin:24px 0 28px;border-radius:var(--r-md);border:1px solid var(--line)}
.prose .tbl-wrap.wide{width:min(1036px,calc(100vw - 44px))}
table.data{width:100%;border-collapse:collapse;font-size:15px;min-width:540px}
table.data th{text-align:left;padding:14px 16px;background:var(--bg-alt);color:var(--ink-2);font-weight:600;font-size:13px;border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:14px 16px;border-bottom:1px solid var(--line-soft);color:#424245;vertical-align:top}
table.data tr:last-child td{border-bottom:none}
table.data td:first-child{color:var(--ink);font-weight:500}
table.data .num{font-family:var(--mono);font-size:14px;color:var(--ink);white-space:nowrap}
.callout{background:var(--bg-alt);border-radius:var(--r-md);padding:28px 30px;margin:32px 0}
.callout b{display:block;font-size:14px;color:var(--blue);margin-bottom:8px;font-weight:600}
.callout p{margin:0;color:var(--ink);font-size:19px;line-height:1.5}
.limits{list-style:none;margin:0 0 20px!important;padding:0}
.limits li{position:relative;padding-left:30px;margin-bottom:14px}
.limits li::before{content:"";position:absolute;left:4px;top:9px;width:10px;height:10px;border-radius:50%;border:2px solid #bf4800}
.paper-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:80px}
.pn{background:var(--bg-alt);border-radius:var(--r-md);padding:24px 26px;color:var(--ink);transition:background .2s}
.pn:hover{text-decoration:none;background:#ebebef}
.pn small{display:block;font-size:13px;color:var(--ink-2);margin-bottom:4px}
.pn span{font-size:19px;font-weight:600}
.pn.next{text-align:right}
.more-papers{margin-top:16px;text-align:center}
@media (max-width:760px){.paper-nav{grid-template-columns:1fr}.pn.next{text-align:left}.steps > li{padding-left:48px}}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .bar-fill,.paper-card,details.interest > summary i{transition:none}
}
@media print{
  .nav,.footer,#progress,.paper-nav{display:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Overview (dark section under the hero) ---------- */
.overview{padding:120px 0 110px}
.overview .headline{font-size:clamp(44px,7.4vw,84px);background:linear-gradient(180deg,#ffffff 0%,#d2d2d7 55%,#86868b 100%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.06em}
.overview .metrics{margin-top:64px}