@font-face{font-family:Geist;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/v/geist-400.4edeed61cf.woff2) format("woff2")}
@font-face{font-family:Geist;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/v/geist-500.2f27928e23.woff2) format("woff2")}
@font-face{font-family:Geist;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/v/geist-600.5bc9147024.woff2) format("woff2")}
@font-face{font-family:"Geist Fallback";font-weight:400;src:local("Arial"),local("Helvetica Neue"),local("Liberation Sans");size-adjust:101.5%;ascent-override:99%;descent-override:29%;line-gap-override:0%}
@font-face{font-family:"Geist Fallback";font-weight:500 700;src:local("Arial Bold"),local("Arial-BoldMT"),local("Helvetica Neue Bold"),local("Liberation Sans Bold");size-adjust:100%;ascent-override:100.5%;descent-override:29.5%;line-gap-override:0%}
:root{--ground:#f2f4f7;--surface:#ffffff;--raised:#e3e7ed;--track:#e2e6ec;--line:#dde2ea;--rule:#eef1f5;--ink:#0a0a0a;--ink-2:#3d4350;--muted:#5b6270;--on-dark-muted:#c9ced6;--control:#7b8494;--accent:#0b6b65;--on-accent:#ffffff;--on-accent-muted:#d3ece8;--hue:#0c7169;--hue-ink:#09524d;--hue-pale:#d8efec;--brand:#0b6b65;--pos-ink:#17583a;--pos-line:#1f6b45;--pos-bg:#e3f4e8;--neg-ink:#8a241b;--neg-line:#b8473c;--neg-bg:#fcebe9;--warn-ink:#7a3e0c;--warn-bg:#fdf3e1;--done-ink:#0f5e57;--done-bg:#dff3ef;--tube-culture:#6b7280;--tube-blue:#7ec8e3;--tube-red:#c8102e;--tube-gold:#d4a72c;--tube-green:#1e7b34;--tube-lavender:#9b72cf;--tube-pink:#f2a7c3;--tube-gray:#8c8c8c;--tube-orange:#e8772e;--r-card:8px;--r-chip:22px;--r-focus:6px;--r:8px;
--deep:#0c1c1b;--deep-2:#162b2a;--on-deep:#f2f4f7;--on-deep-2:#b7c7c5;--deep-accent:#5ccfc2;
--field:#0b6b65;--on-field:#ffffff;--on-field-2:#d3ece8;--paper:var(--surface);--blood:#8e1b2b;
--s-xl:clamp(44px,5.6vw,96px);--s-l:clamp(32px,4.4vw,64px);--s-m:clamp(21px,1.8vw,26px);--s-b:18px;--s-s:15px;
--gut:clamp(16px,3vw,40px);--sec:clamp(96px,12vw,200px);color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--ground:#0f1115;--surface:#181b21;--raised:#252a32;--track:#2b313a;--line:#2e343d;--rule:#242931;--ink:#f2f4f7;--ink-2:#c3c9d3;--muted:#9aa3b0;--on-dark-muted:#3d4350;--control:#7f8896;--accent:#5ccfc2;--on-accent:#0f1115;--on-accent-muted:#1f3b38;--hue:#5ccfc2;--hue-ink:#94e2d8;--hue-pale:#12302d;--brand:#0b6b65;--pos-ink:#7ad3a1;--pos-line:#4fae7d;--pos-bg:#16291f;--neg-ink:#f2a49b;--neg-line:#d9776c;--neg-bg:#2f1a18;--warn-ink:#f1c27d;--warn-bg:#2e2315;--done-ink:#7fd4c8;--done-bg:#14302c;--tube-culture:#6b7280;--tube-blue:#7ec8e3;--tube-red:#c8102e;--tube-gold:#d4a72c;--tube-green:#1e7b34;--tube-lavender:#9b72cf;--tube-pink:#f2a7c3;--tube-gray:#8c8c8c;--tube-orange:#e8772e;--deep:#14211f;--deep-2:#1d302e;--on-deep:#f2f4f7;--on-deep-2:#b7c7c5;--field:#0e4a45;--on-field:#ecf8f6;--on-field-2:#b5dfd8;--paper:var(--surface);--blood:#c2394b}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:400 var(--s-b)/1.55 Geist,"Geist Fallback",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow-wrap:break-word;overflow-x:hidden}
a{color:var(--hue-ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--hue);outline-offset:2px;border-radius:var(--r-focus)}
img{max-width:100%;height:auto;display:block}
.vh{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1440px;margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:var(--r);z-index:9}
.skip:focus{left:8px}
.ic{width:20px;height:20px;flex:none}
h1,h2,h3,.h4{font-weight:600;margin:0 0 16px;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:var(--s-l);line-height:1.02;letter-spacing:-.035em}
h2{font-size:var(--s-m);line-height:1.2;margin-top:64px}
h3{font-size:var(--s-b);line-height:1.35;margin-top:32px;letter-spacing:-.01em}
.h4{font-size:var(--s-b);margin-top:20px}
p,ul,ol{margin:0 0 16px}
.lead{font-size:var(--s-m);line-height:1.38;color:var(--ink);max-width:34ch;letter-spacing:-.01em}
.muted{color:var(--muted)}
.small{font-size:var(--s-s);color:var(--ink-2)}
.prose{max-width:66ch}
.prose li{margin-bottom:8px}

/* header: a row of tiles */
.top{display:grid;grid-template-columns:auto 1fr auto;gap:8px;padding:8px}
.brand{display:flex;align-items:center;gap:10px;min-height:60px;white-space:nowrap;padding:0 20px 0 16px;border-radius:var(--r);background:var(--deep);color:var(--on-deep);text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.01em}
.mark{height:30px;width:auto;color:var(--deep-accent)}
.nav{display:flex;align-items:center;gap:4px 28px;padding:0 24px;border-radius:var(--r);background:var(--raised);overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:var(--s-s);min-height:44px;display:inline-flex;align-items:center}
.nav a:hover{text-decoration:underline}
.nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 22px;border-radius:var(--r);background:var(--accent);color:var(--on-accent);font-weight:600;font-size:17px;text-decoration:none;line-height:1.2;transition:transform .16s ease,background-color .16s ease}
.btn:hover{background:var(--hue-ink);color:#fff;text-decoration:none}
.btn:active{transform:scale(.98)}
.top .btn-sm{min-height:60px;padding:0 22px;font-size:var(--s-s)}
.btn-2{background:var(--deep);color:var(--on-deep)}
.btn-2:hover{background:var(--deep-2);color:var(--on-deep)}
@media (prefers-color-scheme:dark){.btn-2{background:var(--raised);color:var(--ink)}.btn-2:hover{background:var(--track);color:var(--ink)}}
@media (max-width:859px){.top{grid-template-columns:1fr auto}.nav{grid-column:1/-1;order:3;padding:0 16px;gap:4px 22px}}
@media (max-width:419px){.brand-x{display:none}.brand{padding:0 12px;font-size:16px}.top .btn-sm{padding:0 14px}}


/* inner pages: side zone before the axis, body from the axis */
.page{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-top:40px;padding-bottom:var(--sec)}
.side{grid-column:1/5}
.body{grid-column:6/13;min-width:0}
.side-nav{position:sticky;top:24px;padding-top:56px}
.side-h{font-weight:600;font-size:var(--s-s);margin:0 0 8px;color:var(--ink)}
.side-nav ul{list-style:none;padding:0;margin:0}
.side-nav a{display:flex;align-items:center;min-height:40px;color:var(--ink-2);text-decoration:none;font-size:var(--s-s)}
.side-nav a:hover{color:var(--ink);text-decoration:underline}
.side-nav a[aria-current=page]{color:var(--ink);font-weight:600}
.side-nav a[aria-current=page]::before{content:"";width:10px;height:10px;border-radius:2px;background:var(--accent);margin:0 10px 0 -20px}
@media (max-width:959px){.page{display:block;padding-top:24px}.side{display:none}.body{max-width:none}}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;padding:0;margin:0 0 32px;font-size:var(--s-s);color:var(--ink-2)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--control)}
.crumbs a{color:var(--ink-2);display:inline-flex;min-height:44px;align-items:center}
.crumbs span{display:inline-flex;min-height:44px;align-items:center}
.body>h1{margin-bottom:24px}
.body .lead{max-width:38ch;margin-bottom:40px}
.facts{list-style:none;padding:0;margin:0 0 24px;max-width:66ch}
.facts li{padding:14px 0 14px 22px;position:relative;background:none}
.facts li+li{margin-top:2px}
.facts li::before{content:"";position:absolute;left:0;top:24px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.ref{display:block;font-size:var(--s-s);color:var(--muted);margin-top:4px}
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;list-style:none;padding:0;margin:0 0 40px}
.figures li{background:var(--deep);color:var(--on-deep-2);border-radius:var(--r);padding:20px;font-size:var(--s-s);line-height:1.4}
.figures b{display:block;color:var(--on-deep);font-size:var(--s-l);font-weight:600;letter-spacing:-.03em;line-height:1;margin-bottom:10px;font-variant-numeric:tabular-nums}
.answer{font-size:var(--s-m);line-height:1.4;max-width:40ch;background:var(--field);color:var(--on-field);padding:28px;border-radius:var(--r);margin:0 0 40px}
.answer a{color:var(--on-field)}

/* tables (lines allowed inside tables) */
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
thead th{font-weight:600;color:var(--ink);background:var(--raised)}
tbody th{font-weight:600}
.tablewrap{overflow-x:auto;background:var(--surface);border-radius:var(--r);margin:0 0 24px}
.tablewrap table td,.tablewrap table th{min-width:96px}
.num{text-align:right;font-variant-numeric:tabular-nums}

/* source list */
.src{font-size:var(--s-s);color:var(--ink-2);background:var(--surface);border-radius:var(--r);padding:20px 24px;margin:32px 0 0}
.src-h{font-weight:600;margin:0 0 8px;color:var(--ink)}
.src ul{padding-left:18px;margin:0}
.src li{margin-bottom:6px}
.note{font-size:var(--s-s);color:var(--ink-2)}

/* app call-out: a whole field of the accent */
.cta{display:grid;gap:20px;background:var(--field);color:var(--on-field);border-radius:var(--r);padding:32px;margin:56px 0 0}
.cta p{margin:0;color:var(--on-field-2)}
.cta-h{font-size:var(--s-m);margin:0 0 8px;color:var(--on-field)}
.cta .soon{background:var(--deep);color:var(--on-deep)}
.soon{display:inline-flex;align-items:center;gap:10px;min-height:52px;margin:0;padding:12px 18px;border-radius:var(--r);background:var(--deep);color:var(--on-deep);font-weight:600;font-size:var(--s-s);justify-self:start}
.store{display:inline-block;line-height:0;border-radius:8px}
.store img{width:auto;height:48px}
.more{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.more a{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:52px;padding:10px 0;color:var(--ink);text-decoration:none;font-weight:500}
.more a::after{content:"→";color:var(--hue-ink);transition:transform .16s ease}
.more a:hover::after{transform:translateX(4px)}
.more a:hover{text-decoration:underline}
.faq dt{font-weight:600;margin-top:20px}
.faq dd{margin:6px 0 0;color:var(--ink-2)}
.list li{margin-bottom:8px}
.legal h1{margin-top:0}
.legal h2{margin-top:48px}
.legal table{margin-bottom:16px}


/* inner pages: masthead (photo + figure field), then the title on the axis */
.mast{display:grid;grid-template-columns:2fr 1fr;gap:8px;margin:0 8px;height:min(40svh,420px);min-height:280px}
.mast-photo{border-radius:var(--r);overflow:hidden}
.mast-photo img{width:100%;height:100%;object-fit:cover}
.mast-fig{background:var(--field);color:var(--on-field);border-radius:var(--r);padding:clamp(20px,2.6vw,40px);display:flex;flex-direction:column;justify-content:flex-end}
.mast-big{font-size:var(--s-l);font-weight:600;letter-spacing:-.04em;line-height:1;margin:0 0 12px;font-variant-numeric:lining-nums}
.mast-small{font-size:var(--s-b);line-height:1.4;color:var(--on-field-2);margin:0;max-width:30ch}
.page.has-mast{padding-top:24px}
.has-mast .side-nav{padding-top:68px}
.body>h1{font-size:var(--s-xl);line-height:.98;letter-spacing:-.045em}
@media (max-width:859px){.mast{grid-template-columns:1fr;height:auto;min-height:0;gap:6px}.mast-photo{aspect-ratio:21/9}.mast-fig{padding:16px 18px}.mast-big{font-size:30px;margin-bottom:6px}.mast-small{font-size:var(--s-s)}}

/* home: hero board */
.board{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:minmax(0,1.1fr) minmax(0,1fr);gap:8px;padding:0 8px;height:calc(100svh - 84px);min-height:700px;max-height:1040px}
.tile{border-radius:var(--r);overflow:hidden;position:relative;min-width:0}
.t-title{background:var(--paper);padding:clamp(24px,3vw,48px);display:flex;flex-direction:column;justify-content:flex-end}
.t-title h1{font-size:var(--s-xl);line-height:.96;letter-spacing:-.05em;font-weight:600;margin:0 0 24px}
.t-title p{font-size:20px;line-height:1.4;max-width:34ch;margin:0 0 28px;color:var(--ink)}
.t-title .acts{display:flex;flex-wrap:wrap;gap:8px}
.t-photo img{width:100%;height:100%;object-fit:cover}
.t-split{display:grid;grid-template-columns:1fr 1fr;gap:8px;min-height:0}
.t-dark,.t-accent{padding:clamp(20px,2.4vw,36px);font-size:var(--s-m);line-height:1.3;letter-spacing:-.01em;display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.t-dark{background:var(--deep);color:var(--on-deep)}
.t-dark p,.t-accent p{margin:0}
.t-dark b{color:var(--deep-accent);font-weight:600}
.t-accent{background:var(--field);color:var(--on-field)}
.t-accent .soon{background:var(--deep);font-size:var(--s-s)}
.t-accent a{color:var(--on-field)}
.t-small{font-size:var(--s-s);color:var(--on-deep-2);line-height:1.45}
@media (max-width:859px){
.board{grid-template-columns:1fr;grid-template-rows:none;height:auto;min-height:0;max-height:none;gap:6px;padding:0 8px}
.t-title{min-height:0;padding:40px 20px 24px}
.t-title h1{font-size:clamp(33px,10.4vw,64px)}
.t-title p{font-size:18px}
.t-photo{aspect-ratio:4/3}
.t-photo.second{display:none}
.t-split{grid-template-columns:1fr 1fr;gap:6px}
.t-dark,.t-accent{aspect-ratio:auto;min-height:220px;padding:18px;font-size:19px}}
@media (max-width:429px){.t-split{grid-template-columns:1fr}.t-dark,.t-accent{min-height:0}}
@media (min-width:860px) and (prefers-reduced-motion:no-preference){
.shutter img{animation:shut-img 1.1s cubic-bezier(.2,.7,.1,1) both}
.shutter{animation:shut 1.1s cubic-bezier(.2,.7,.1,1) both}}
@keyframes shut{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes shut-img{from{transform:scale(1.12)}to{transform:scale(1)}}

/* home: figures inside a sentence */
.statement{padding-top:var(--sec);padding-bottom:var(--sec)}
.statement p{font-size:clamp(24px,2.6vw,36px);line-height:1.22;letter-spacing:-.02em;color:var(--ink-2);max-width:36ch;margin:0 0 0 calc(100%/12)}
.statement b{color:var(--ink);font-weight:600;font-variant-numeric:lining-nums tabular-nums}
.statement .small{display:block;font-size:var(--s-s);line-height:1.5;color:var(--ink-2);letter-spacing:0;margin:28px 0 0 calc(100%/12);max-width:60ch}
@media (max-width:859px){.statement p,.statement .small{margin-left:0}.statement p{font-size:21px}}

/* home: domains board */
.depart{background:var(--deep);color:var(--on-deep);margin:0 8px;border-radius:var(--r);padding:var(--sec) 0 4px}
.depart h2{font-size:var(--s-l);line-height:1;margin:0 0 20px;letter-spacing:-.035em;color:var(--on-deep)}
.sec-head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;margin-bottom:56px}
.sec-head h2{grid-column:1/8}
.sec-head p{grid-column:8/13;align-self:end;margin:0;color:var(--on-deep-2);max-width:40ch}
@media (max-width:859px){.sec-head{display:block}.sec-head p{margin-top:12px}}
.rows{display:grid;gap:4px;padding:0 4px}
.row{background:var(--deep-2);border-radius:6px;color:var(--on-deep)}
.row summary{color:inherit;list-style:none;display:grid;grid-template-columns:5fr 2fr 2fr 1fr;align-items:center;gap:16px;min-height:72px;padding:0 20px;cursor:pointer;font-size:var(--s-m);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.row summary::-webkit-details-marker{display:none}
.row summary:hover .r-name{text-decoration:underline}
.r-name{font-weight:600}
.r-fact{color:var(--on-deep-2)}
.r-share{justify-self:end;background:var(--field);color:var(--on-field);border-radius:4px;padding:4px 10px;font-weight:600;font-size:var(--s-s);min-width:62px;text-align:center}
.r-share.plain{background:var(--deep);color:var(--on-deep-2)}
.row[open]{background:var(--field)}
.row[open] summary{min-height:96px;font-size:clamp(26px,2.6vw,38px);letter-spacing:-.03em}
.row[open] .r-fact{color:var(--on-field-2);font-size:var(--s-m)}
.row[open] .r-share{background:var(--deep);color:var(--on-deep)}
.r-detail{padding:0 20px 28px;display:grid;grid-template-columns:5fr 5fr;gap:8px 16px;font-size:var(--s-b);color:var(--on-field)}
.r-detail p{margin:0;max-width:52ch}
.r-detail a{color:var(--on-field)}
@media (max-width:859px){
.row summary{grid-template-columns:1fr auto;min-height:64px;padding:0 14px;font-size:19px}
.row summary .r-fact{display:none}
.row[open] summary{font-size:24px;min-height:80px}
.r-detail{grid-template-columns:1fr;padding:0 14px 20px;font-size:16px}}

/* home: study planner (fixed output, live controls) */
.plan{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding:var(--sec) 0 0}
.plan-out{grid-column:1/7;position:sticky;top:0;height:100svh;max-height:820px;padding:8px 0 8px 8px}
.plan-field{height:100%;background:var(--hue-pale);border-radius:var(--r);display:grid;place-items:center;padding:32px}
.plan-in{grid-column:8/13;padding:72px var(--gut) 0 0}
.plan-in h2{font-size:var(--s-l);line-height:1;margin:0 0 24px;letter-spacing:-.035em}
.blk{min-height:52svh;padding:24px 0}
.blk h3{font-size:var(--s-m);line-height:1.25;margin:0 0 12px;letter-spacing:-.015em}
.blk p{max-width:44ch}
.ctl{margin-top:20px}
.ctl[hidden]{display:none}
.ctl label{display:block;font-weight:600;font-size:var(--s-s);margin-bottom:8px}
.ctl input[type=range]{width:100%;max-width:420px;height:44px;accent-color:var(--accent)}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{min-height:44px;min-width:56px;padding:8px 14px;border:0;border-radius:6px;background:var(--raised);color:var(--ink);font:600 var(--s-s)/1 Geist,"Geist Fallback",sans-serif;cursor:pointer;transition:background-color .16s ease,transform .16s ease}
.seg button:hover{background:var(--track)}
.seg button:active{transform:scale(.97)}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}
.rack{width:100%;max-width:520px;background:var(--surface);border-radius:var(--r);padding:28px 24px 20px}
.rack-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 24px;font-weight:600;font-size:17px}
.rack-h span{color:var(--ink-2);font-weight:400;font-variant-numeric:tabular-nums}
.tubes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;list-style:none;padding:0;margin:0;align-items:end}
.tubes li{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;order:var(--o,0)}
.tube{width:46px;height:260px;position:relative;display:flex;flex-direction:column;align-items:center}
.cap{width:48px;height:26px;border-radius:5px 5px 3px 3px;background:var(--accent);flex:none}
.glass{flex:1;width:38px;border:3px solid var(--control);border-top:0;border-radius:0 0 19px 19px;position:relative;overflow:hidden;background:var(--surface)}
.fill{position:absolute;left:0;right:0;bottom:0;height:var(--f,0%);background:var(--blood);transition:height .5s cubic-bezier(.2,.7,.1,1)}
.tubes b{font-size:20px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.tubes small{font-size:13px;line-height:1.25;color:var(--ink-2);min-height:3.8em}
.tubes .sn{display:none}
.rack-f{margin:18px 0 0;font-size:var(--s-s);color:var(--ink-2)}
@media (max-width:859px){
.plan{display:block;padding-top:var(--sec)}
.plan-out{position:static;height:auto;max-height:none;padding:6px 8px}
.plan-field{padding:12px}
.rack{padding:16px 12px 12px}
.tube{height:110px;width:34px}.cap{width:38px;height:18px}.glass{width:30px}
.tubes{gap:4px}.tubes b{font-size:15px}.tubes small{font-size:13px;min-height:0}.tubes .ln{display:none}.tubes .sn{display:inline}
.rack-h{margin-bottom:14px}.rack-f{display:none}
.plan-in{padding:40px var(--gut) 0}
.blk{min-height:0;padding:20px 0 32px}}

/* home: rules table pushed right */
.rules{padding-top:var(--sec);padding-bottom:var(--sec)}
.rules h2{font-size:var(--s-l);line-height:.98;letter-spacing:-.035em;margin:0 0 56px;max-width:18ch;padding-left:3vw}
.rules-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;align-items:end}
.rules-photo{grid-column:1/5;align-self:end}
.rules-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r)}
.rules-photo p{font-size:var(--s-s);color:var(--ink-2);margin:10px 0 0}
.rules-word{grid-column:7/8;align-self:start;font-size:var(--s-s);color:var(--ink-2);margin:6px 0 0}
.rules-list{grid-column:8/13;list-style:none;padding:0;margin:0}
.rules-list li:nth-child(4n+1):not(:first-child){margin-top:44px}
.rules-list a{display:grid;grid-template-columns:7.5em 1fr auto;gap:16px;align-items:baseline;padding:13px 0;color:var(--ink);text-decoration:none;font-size:var(--s-b)}
.rules-list a:hover .rl-what{text-decoration:underline}
.rl-kind{color:var(--ink-2)}
.rl-what{font-weight:500}
.rl-go{color:var(--hue-ink);transition:transform .16s ease}
.rules-list a:hover .rl-go{transform:translateX(4px)}
@media (max-width:859px){
.rules h2{margin-bottom:40px}
.rules-grid{display:block}.rules-word{display:none}
.rules-list a{grid-template-columns:1fr auto;gap:2px 12px}
.rl-kind{grid-column:1/-1;font-size:var(--s-s)}
.rules-photo{width:60%;margin:40px 0 0 auto}}

/* home: the app (three pictures, then a field) */
.app{margin:0 8px}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;height:56svh;min-height:420px;max-height:640px;background:var(--hue-pale);border-radius:var(--r) var(--r) 0 0;overflow:hidden;padding:40px 6% 0;column-gap:5%}
.strip img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:20px 20px 0 0}
.band{background:var(--field);color:var(--on-field);border-radius:0 0 var(--r) var(--r);padding:clamp(40px,6vw,96px) 0}
.band-in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px}
.band h2{grid-column:1/8;font-size:var(--s-l);line-height:1;letter-spacing:-.035em;margin:0 0 24px;color:var(--on-field)}
.band .band-text{grid-column:1/8}
.band p{font-size:var(--s-m);line-height:1.35;color:var(--on-field);max-width:32ch;margin:0 0 24px}
.band a{color:var(--on-field);text-decoration-thickness:3px;text-underline-offset:6px}
.band .small{color:var(--on-field-2);font-size:var(--s-s);max-width:56ch}
.band-icon{grid-column:10/13;grid-row:1/3;justify-self:end;align-self:end}
.appicon{width:150px;height:150px;border-radius:34px}
.feats{grid-column:1/13;list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feats li{color:var(--on-field-2);font-size:var(--s-s)}
.feats b{display:block;color:var(--on-field);font-size:var(--s-b);margin-bottom:6px}
@media (max-width:859px){
.strip{height:auto;min-height:0;max-height:none;grid-template-columns:1fr 1fr;padding:24px 16px 0;column-gap:12px}
.strip img{aspect-ratio:390/560}
.strip img:first-child{display:none}
.band-in{display:block}.band-icon{margin-top:24px}.appicon{width:96px;height:96px;border-radius:22px}
.feats{grid-template-columns:1fr 1fr}}

/* home: answers as reading text */
.notes{padding-top:0;padding-bottom:var(--sec)}
.notes-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px}
.notes h2{grid-column:1/4;font-size:var(--s-m);margin:0}
.notes-text{grid-column:5/13;columns:2;column-gap:56px}
.notes-text p{break-inside:avoid;margin:0 0 20px;font-size:var(--s-b);line-height:1.55}
.notes-text b{font-weight:600}
@media (max-width:859px){.notes-grid{display:block}.notes h2{margin-bottom:20px}.notes-text{columns:1}}

/* footer: name first */
.foot{background:var(--deep);color:var(--on-deep);margin:0 8px 8px;border-radius:var(--r);padding:clamp(40px,6vw,96px) var(--gut) 32px;overflow:hidden}
.foot-name{font-size:clamp(32px,8.2vw,150px);font-weight:600;letter-spacing:-.055em;line-height:.9;margin:0 0 72px;white-space:nowrap}
.foot-row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;margin-bottom:72px}
.foot-big{grid-column:1/6;list-style:none;padding:0;margin:0}
.foot-big a{display:inline-flex;min-height:48px;align-items:center;color:var(--deep-accent);font-size:clamp(24px,2.4vw,34px);font-weight:500;letter-spacing:-.02em;text-decoration:none}
.foot-big a:hover{text-decoration:underline}
.foot-nav{grid-column:7/13}
.foot-nav ul{list-style:none;padding:0;margin:0;columns:3;column-gap:24px}
.foot-nav a{display:inline-flex;min-height:44px;align-items:center;color:var(--on-deep);font-size:var(--s-s);text-decoration:none}
.foot-nav a:hover{text-decoration:underline}
.foot-legal{font-size:var(--s-s);color:var(--on-deep-2);max-width:75ch}
.foot-legal p{margin:0 0 12px}
.foot-legal a{color:var(--on-deep)}
.foot-last{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:24px!important}
.foot-last a{display:inline-flex;min-height:44px;align-items:center}
@media (max-width:859px){.foot-row{display:block}.foot-nav{margin-top:32px}.foot-nav ul{columns:2}.foot-name{margin-bottom:40px}}

/* reveal on scroll (only with script; content stays visible without it) */
@media (prefers-reduced-motion:no-preference){
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.1,1),transform .7s cubic-bezier(.2,.7,.1,1);transition-delay:var(--d,0ms)}
.js .rv.in{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.fill{transition:none}}

/* content pages (published with SITE_CONTENT_READY=1) */
.card{background:var(--surface);border-radius:var(--r);padding:20px}
.grid{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));padding:0;list-style:none}
.tile-l{display:flex;flex-direction:column;gap:6px;height:100%;text-decoration:none;color:var(--ink)}
.tile-l:hover .tile-t{text-decoration:underline}
.tile-l .ic{width:24px;height:24px;color:var(--hue)}
.tile-t{font-weight:600;font-size:17px;margin:0}
.tile-l p{margin:0;color:var(--ink-2);font-size:var(--s-s)}
.q{margin:0 0 16px}
.q-h{font-size:var(--s-s);font-weight:600;color:var(--ink-2);margin:0 0 8px;letter-spacing:0}
.stem{font-size:var(--s-b);font-weight:500;line-height:1.45}
.opts{list-style:none;padding:0;display:grid;gap:6px}
.opts li{display:flex;gap:12px;align-items:flex-start;background:var(--ground);border-radius:6px;padding:12px 14px}
.let{font-weight:600;color:var(--ink-2);min-width:1ch}
details.qd,.q details{margin-top:12px;padding-top:4px}
summary{cursor:pointer;font-weight:600;color:var(--hue-ink);min-height:44px;display:flex;align-items:center}
.ans{display:flex;gap:8px;align-items:flex-start;background:var(--pos-bg);color:var(--pos-ink);border-radius:6px;padding:12px 14px}
.ans .ic{margin-top:2px}
.why li{margin-bottom:8px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:4px;padding:2px 10px;font-size:var(--s-s);font-weight:500;background:var(--raised);color:var(--ink-2)}
.badge.warn{background:var(--warn-bg);color:var(--warn-ink)}
.def{font-size:var(--s-m);line-height:1.45;max-width:40ch}
.az{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0}
.az a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;background:var(--surface);border-radius:6px;text-decoration:none;font-weight:600;color:var(--ink)}
.az a[aria-current=page]{background:var(--accent);color:var(--on-accent)}
.terms{list-style:none;padding:0;columns:1}
.terms li{break-inside:avoid;padding:10px 0}
.terms a{font-weight:600}
.terms span{display:block;color:var(--ink-2);font-size:var(--s-s)}
.chips{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0}
.chips a{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;background:var(--surface);border-radius:6px;text-decoration:none;color:var(--ink);font-size:var(--s-s)}
.chips a:hover{text-decoration:underline}
.pn{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:32px}
.pn a{display:inline-flex;align-items:center;gap:6px;min-height:44px}
.opts li.js{padding:0}
.opt{display:flex;gap:12px;align-items:flex-start;width:100%;min-height:44px;padding:12px 14px;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;border-radius:6px}
.opt[aria-disabled=true]{cursor:default}
.opts li:has(.opt.ok){background:var(--pos-bg);color:var(--pos-ink)}
.opts li:has(.opt.no){background:var(--neg-bg);color:var(--neg-ink)}
.q-live{font-weight:600;margin:0}
.q-live:empty{display:none}
.quizbar{position:sticky;top:0;z-index:2;background:var(--ground);padding:10px 0;margin:0 0 12px;font-weight:600}
.result{margin:24px 0}
.toc{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:16px 0 32px}
.toc a{display:inline-flex;white-space:nowrap;align-items:center;min-height:44px;padding:8px 14px;border-radius:6px;background:var(--hue-pale);color:var(--ink);text-decoration:none;font-weight:500;font-size:var(--s-s)}
.sw{display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:8px;vertical-align:-2px}
.sw-culture{background:var(--tube-culture)}.sw-blue{background:var(--tube-blue)}.sw-red{background:var(--tube-red)}.sw-gold{background:var(--tube-gold)}.sw-orange{background:var(--tube-orange)}.sw-green{background:var(--tube-green)}.sw-lavender{background:var(--tube-lavender)}.sw-pink{background:var(--tube-pink)}.sw-gray{background:var(--tube-gray)}
figure{margin:0 0 24px}
figure img{background:#fff;border-radius:var(--r)}
figcaption{font-size:var(--s-s);color:var(--ink-2);margin-top:8px}
.tubes li:nth-child(1){--f:34.7%}.tubes li:nth-child(2){--f:26.7%}.tubes li:nth-child(3){--f:37.3%}.tubes li:nth-child(4){--f:16%}.tubes li:nth-child(5){--f:18.7%}