/* TissueForge navigation and original tissue atlas — no change to evidence panels. */
.site-header.has-destinations {display:flex;justify-content:space-between;padding:18px clamp(24px,5vw,80px);gap:24px}
.tf-header-actions{display:flex;align-items:center;gap:12px}.tf-request,.tf-menu{font:600 14px/1.2 Arial,sans-serif;border:1px solid #d4e2ed;border-radius:30px;padding:15px 23px;cursor:pointer;color:#062a7b;background:#f4f8fc;display:inline-flex;gap:16px;align-items:center}.tf-request{background:#062a7b;color:white;border-color:#062a7b}.tf-menu svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.5;fill:none}
#navigation-drawer{position:fixed;inset:0 0 0 auto;margin:0;width:min(460px,100vw);height:100dvh;max-height:100dvh;max-width:100vw;border:0;padding:32px clamp(25px,4vw,48px);background:#f7fafc;color:#102f5a;box-shadow:-20px 0 80px #062a7b20;overflow:auto}
#navigation-drawer[open]{display:flex;flex-direction:column;animation:drawer-in .25s ease-out}#navigation-drawer::backdrop{background:#071a35a8;backdrop-filter:blur(5px)}.tf-drawer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em}.tf-drawer-top button{width:44px;height:44px;border:1px solid #d9e4ee;border-radius:50%;font:28px Arial;background:transparent;color:#173a62;cursor:pointer}
#navigation-drawer .site-nav{position:static;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:32px 0;margin:0;transform:none;visibility:visible;opacity:1;background:none;border:0;box-shadow:none;width:auto}
#navigation-drawer .site-nav a{display:flex;align-items:center;gap:22px;padding:20px 0;min-height:64px;border-bottom:1px solid #dce7ef;color:#14345b;font-size:25px;font-weight:500;text-decoration:none;letter-spacing:-.03em}#navigation-drawer .site-nav a span{font-size:11px;color:#728ca4;letter-spacing:0}#navigation-drawer .site-nav a:hover{color:#138db5}.tf-drawer-bottom{margin-top:auto}.tf-drawer-bottom button{border:0;border-radius:30px;padding:17px 25px;background:#062a7b;color:white;font-weight:600;cursor:pointer}.tf-drawer-bottom p{font-size:13px;line-height:1.7;color:#6a7f95;margin-top:24px}
.has-destinations~main>.hero{min-height:650px;min-height:calc(88svh - 108px);grid-template-rows:1fr auto}.hero-copy{padding:clamp(60px,8vw,110px) clamp(24px,6vw,90px);width:min(1100px,90%)}.hero h1{font-size:clamp(48px,5.5vw,82px);line-height:1.06;letter-spacing:-.05em}.hero h1 em{background:none;color:#78d5ea}.hero-facts{background:#06172c75}.hero-facts strong{font-weight:500}
.tissue-atlas{padding:90px clamp(24px,6vw,90px);background:linear-gradient(140deg,#f2f7fa,#fff 65%);color:#183556;scroll-margin-top:0}.tissue-atlas-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;max-width:1400px;margin:auto}.tissue-atlas-heading .section-label{margin-bottom:20px;font-size:11px;color:#528096}.tissue-atlas h2{font-size:clamp(36px,4vw,60px);line-height:1.08;letter-spacing:-.045em;font-weight:500;margin:0}.tissue-atlas h2 em{font-style:normal;color:#2088ac}.tissue-atlas-heading>p{font-size:17px;line-height:1.6;color:#6b8094;margin:0 0 6px}.tissue-atlas-layout{max-width:1400px;margin:48px auto 0;display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.4fr);gap:clamp(32px,5vw,80px);align-items:center}.tissue-body{position:relative;max-width:350px;width:100%;margin:auto}.tissue-body>img{width:100%;height:auto;display:block}.tissue-body-caption{display:block;text-align:center;color:#7b91a4;font-size:12px;padding-top:12px}.tissue-pin{position:absolute;display:flex;align-items:center;gap:9px;border:0;background:none;color:#164e79;font:600 12px Arial;cursor:pointer;padding:10px;min-height:44px}.tissue-pin i{width:12px;height:12px;border:3px solid white;outline:1px solid #168bb0;background:#168bb0;border-radius:50%;box-shadow:0 0 0 5px #168bb015}.tissue-pin span{background:#fff;border:1px solid #d6e5ee;padding:9px 13px;border-radius:20px;box-shadow:0 4px 15px #193c5d0a}.tissue-pin:hover span{background:#062a7b;color:white}.pin-lung{left:36%;top:24%}.pin-heart{left:50%;top:28%}.pin-liver{left:12%;top:35%;flex-direction:row-reverse}.pin-kidney{left:54%;top:40%}.tissue-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tissue-tile{position:relative;border:1px solid #e0e9f0;border-radius:24px;background:#fff;padding:22px;min-height:202px;display:flex;flex-direction:column;align-items:flex-start;transition:box-shadow .2s,border-color .2s,transform .2s}.tissue-tile:hover,.tissue-tile:focus-within{border-color:#91c5da;box-shadow:0 12px 36px #0d46600d;transform:translateY(-2px)}.tissue-tile img{position:absolute;right:16px;top:14px;width:70px;height:70px;object-fit:contain}.tissue-tile h3{font-size:23px;letter-spacing:-.025em;margin:12px 70px 26px 0;color:#133d68}.tissue-tile p{font-size:13px;line-height:1.5;color:#687e92;margin:0 0 16px;max-width:230px}.tissue-tile button{border:0;padding:0;min-height:32px;background:none;color:#076a99;font:600 12px Arial;cursor:pointer;text-align:left}.tissue-tile button span{margin-left:8px}.tissue-development{font-size:11px;color:#7c8e9f}.tissue-atlas-note{grid-column:1/-1;font-size:11px;line-height:1.6;color:#7a8d9e;max-width:620px;margin:6px 0 0}.tissue-pin:focus-visible,.tissue-tile button:focus-visible,.tf-menu:focus-visible,.tf-request:focus-visible{outline:3px solid #119fcd;outline-offset:4px;border-radius:12px}
@keyframes drawer-in{from{transform:translateX(100%)}to{transform:translateX(0)}}
@media(max-width:850px){.tissue-atlas-layout{gap:22px;grid-template-columns:minmax(230px,.8fr) minmax(0,1fr)}.tissue-tiles{grid-template-columns:1fr}.tissue-tile{min-height:160px;padding:20px}.tissue-tile h3{margin-bottom:14px}.tissue-body{position:sticky;top:125px;align-self:start}.tissue-atlas-heading>p{font-size:14px}.tf-request{display:none}}
@media(max-width:540px){.site-header.has-destinations{padding:16px 20px}.tissueforge-identity{width:220px}.tf-menu{padding:12px;font-size:12px;gap:8px}.tf-menu svg{width:18px}.hero-copy{width:100%;padding:70px 24px}.hero h1{font-size:46px}.has-destinations~main>.hero{min-height:700px}.tissue-atlas{padding:54px 20px}.tissue-atlas-heading{display:block}.tissue-atlas-heading>p{margin-top:20px}.tissue-atlas-layout{grid-template-columns:1fr;margin-top:24px}.tissue-body{position:relative;top:auto;max-width:285px}.tissue-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tissue-tile{padding:16px;min-height:228px}.tissue-tile img{position:static;width:54px;height:54px;margin-bottom:8px}.tissue-tile h3{font-size:18px;margin:0 0 10px}.tissue-tile p{font-size:12px}.tissue-tile button{font-size:11px}.tissue-body-caption{font-size:11px}}
@media(prefers-reduced-motion:reduce){#navigation-drawer[open]{animation:none}.tissue-tile{transition:none}.tissue-tile:hover{transform:none}}
/* v53 — more lifelike anatomy, higher contrast, staggered discovery tiles. */
.tissue-atlas{background:#f5f9fc}.tissue-atlas-heading>p{color:#3c536c}.tissue-atlas-heading .section-label{color:#315d76}.tissue-atlas h2 em{color:#086886}.tissue-body{max-width:480px}.tissue-body>img{mix-blend-mode:multiply}.tissue-body-caption{color:#405b73;font-size:13px}.pin-lung{left:28%;top:35%}.pin-heart{left:53%;top:41%}.pin-liver{left:16%;top:49%}.pin-kidney{left:54%;top:59%}.tissue-pin{color:#062a7b;font-size:13px}.tissue-pin span{border-color:#789cb7;box-shadow:0 3px 12px #062a7b18}.tissue-pin i{background:#062a7b;outline-color:#062a7b}.tissue-atlas-layout{grid-template-columns:minmax(300px,1fr) minmax(0,1.4fr);gap:45px}.tissue-tiles{gap:20px;padding:0 0 28px}.tissue-tile{border-color:#a9bdcd;box-shadow:0 5px 18px #133d6809}.tissue-tile:nth-child(even){transform:translateY(28px)}.tissue-tile p{color:#354e67}.tissue-tile h3{color:#082f5c}.tissue-tile button{color:#074f7c;font-size:13px}.tissue-development{color:#405972}.tissue-atlas-note{color:#405972;font-size:12px;margin-top:28px}
.explore-section{background:#e8f0f6;padding-top:75px;padding-bottom:100px}.explore-heading h2{color:#092e57}.explore-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:1280px;padding:0 0 45px}.explore-grid .explore-card{height:360px;border-radius:0;clip-path:polygon(15% 0,85% 0,100% 50%,85% 100%,15% 100%,0 50%);padding:32px 17%;box-shadow:none;outline-offset:-8px}.explore-grid .explore-card:nth-child(3n+2){transform:translateY(45px)}.explore-grid .explore-card:hover{filter:brightness(.97)}.explore-grid .explore-card:focus-visible{outline:5px solid #178abc;outline-offset:-12px}.explore-grid .explore-card-title{font-size:clamp(23px,2.2vw,32px)}.explore-grid .explore-kicker{font-size:11px;min-height:0;color:#365169}.explore-grid .explore-card-description{font-size:14px;line-height:1.45;color:#263e59;max-width:230px}.explore-grid .explore-plus{right:19%;bottom:23px;width:34px;height:34px}.explore-grid .matrix-card .explore-kicker,.explore-grid .matrix-card .explore-card-description,.explore-grid .cells-card .explore-kicker,.explore-grid .cells-card .explore-card-description{color:#fff}.explore-grid .matrix-card .explore-card-title,.explore-grid .cells-card .explore-card-title{color:white}.explore-grid .matrix-card::after{background:linear-gradient(180deg,#050e21f5,#050e21b8 58%,#050e2130)}.explore-grid .cells-card::after{background:linear-gradient(180deg,#06152bf5,#06152bb8 58%,#06152b30)}
@media(max-width:1000px){.explore-grid{gap:14px}.explore-grid .explore-card{height:330px;padding:28px 16%}.explore-grid .explore-card-title{font-size:24px}.explore-grid .explore-card-description{font-size:12px}.tissue-atlas-layout{gap:20px;grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr)}}
@media(max-width:850px){.tissue-tiles{grid-template-columns:1fr}.tissue-tile:nth-child(even){transform:none}.tissue-atlas-note{margin-top:0}.tissue-body{max-width:400px}.explore-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.explore-grid .explore-card:nth-child(3n+2){transform:none}.explore-grid .explore-card:nth-child(even){transform:translateY(32px)}.explore-grid .explore-card{height:340px}.explore-grid .explore-card-title{font-size:26px}.explore-grid .explore-card-description{font-size:14px}}
@media(max-width:540px){.tissue-atlas-layout{grid-template-columns:1fr}.tissue-body{max-width:370px}.tissue-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tissue-tile:nth-child(even){transform:translateY(22px)}.tissue-tile button{font-size:12px}.tissue-atlas-note{margin-top:22px}.explore-grid{grid-template-columns:1fr;max-width:360px;gap:18px;padding-bottom:0}.explore-grid .explore-card:nth-child(even){transform:none}.explore-grid .explore-card{height:355px;padding:30px 18%}.explore-grid .explore-card-title{font-size:30px}.explore-grid .explore-card-description{font-size:14px}}
.explore-grid .mechanics-card .explore-kicker,.explore-grid .mechanics-card .explore-card-description{color:#f0f5ff}.pin-heart{top:36%}.pin-liver{top:44%}.pin-kidney{left:57%;top:55%}
/* v55 — tessellated hexagons: adjacent edges meet across half-height rows. */
.explore-section{background:#fff;padding-left:24px;padding-right:24px}.explore-heading{max-width:1440px}.explore-grid{width:100%;max-width:1440px;display:grid;grid-template-columns:repeat(10,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr));aspect-ratio:1.1547;gap:0;padding:0}.explore-grid .explore-card{width:auto;height:auto;min-height:0;margin:4px;grid-column:span 4;grid-row:span 2;clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);padding:8% 26% 18%;transform:none!important}.explore-grid .explore-card:nth-child(1){grid-column:1/5;grid-row:1/3}.explore-grid .explore-card:nth-child(2){grid-column:4/8;grid-row:2/4}.explore-grid .explore-card:nth-child(3){grid-column:7/11;grid-row:1/3}.explore-grid .explore-card:nth-child(4){grid-column:1/5;grid-row:3/5}.explore-grid .explore-card:nth-child(5){grid-column:4/8;grid-row:4/6}.explore-grid .explore-card:nth-child(6){grid-column:7/11;grid-row:3/5}.explore-grid .explore-card-title{font-size:clamp(23px,2.35vw,36px)}.explore-grid .explore-card-description{font-size:clamp(12px,1.05vw,16px)}.explore-grid .explore-kicker{font-size:clamp(10px,.85vw,13px)}.explore-grid .explore-plus{right:30%;bottom:8%}.explore-grid .matrisome-card{background:#07536b;color:white}.explore-grid .matrisome-card .explore-kicker,.explore-grid .matrisome-card .explore-card-description,.explore-grid .matrisome-card .explore-card-title{color:white}.explore-grid .matrisome-card .explore-plus{background:white;color:#07536b}.explore-grid .matrisome-card-index{left:22%;right:20%;top:66%;gap:6px}.explore-grid .matrisome-card-index>span{padding:8px 10px}.explore-grid .explore-reactors{inset:54% -10% 0}.explore-grid .lung-card-image{width:70%;right:10%;bottom:0}.pin-muscle{left:13%;top:72%;flex-direction:row-reverse}.pin-skin{left:66%;top:48%}
#tissue-material-dialog{width:min(760px,calc(100vw - 32px));border:0;border-radius:28px;padding:50px;color:#12375c;background:#f5f9fc}#tissue-material-dialog[open]{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:32px}#tissue-material-dialog::backdrop{background:#071a35a8;backdrop-filter:blur(4px)}#tissue-material-dialog img{width:100%;aspect-ratio:1;object-fit:contain}#tissue-material-dialog h2{font-size:36px;line-height:1.1;margin:0 0 20px}#tissue-material-dialog p{font-size:16px;line-height:1.5}.tissue-material-close{position:absolute;right:16px;top:16px;border:1px solid #b6c8d7;border-radius:50%;width:40px;height:40px;background:white;color:#14365b;font-size:24px;cursor:pointer}.tissue-material-status{display:inline-block;margin-top:18px;font-size:12px;color:#3d5c73;padding:8px 14px;border:1px solid #b6c8d7;border-radius:20px}
@media(max-width:850px){.explore-grid{grid-template-columns:repeat(7,minmax(0,1fr));grid-template-rows:repeat(7,minmax(0,1fr));aspect-ratio:1/1.732}.explore-grid .explore-card:nth-child(odd){grid-column:1/5}.explore-grid .explore-card:nth-child(even){grid-column:4/8}.explore-grid .explore-card:nth-child(1){grid-row:1/3}.explore-grid .explore-card:nth-child(2){grid-row:2/4}.explore-grid .explore-card:nth-child(3){grid-row:3/5}.explore-grid .explore-card:nth-child(4){grid-row:4/6}.explore-grid .explore-card:nth-child(5){grid-row:5/7}.explore-grid .explore-card:nth-child(6){grid-row:6/8}.explore-grid .explore-card-title{font-size:clamp(24px,3.5vw,32px)}.explore-grid .explore-card-description{font-size:13px}.explore-grid .explore-kicker{font-size:10px}.pin-muscle{left:5%;top:73%}.pin-skin{left:65%;top:48%}}
@media(max-width:540px){.explore-section{padding-left:12px;padding-right:12px}.explore-grid{display:flex;flex-direction:column;aspect-ratio:auto;max-width:400px;gap:0}.explore-grid .explore-card{flex:none;width:100%;height:340px;margin:3px 0;padding:32px 25% 50px}.explore-grid .explore-card-title{font-size:25px}.explore-grid .explore-card-description{font-size:13px}.pin-muscle{left:0;top:73%;font-size:11px}.pin-skin{left:65%;top:48%;font-size:11px}.tissue-pin{gap:5px}.tissue-pin span{padding:8px 10px}#tissue-material-dialog[open]{grid-template-columns:1fr;padding:40px 28px;gap:10px}#tissue-material-dialog img{max-height:180px}#tissue-material-dialog h2{font-size:30px}}