:root{--bg:#F8F8FB;--surface:#fff;--ink:#1B1B2E;--muted:#5E5E74;--line:#E1E1EA;--hema:#3E3A8C;--soft:#E9E8F6;--eosin:#E58FAE;--pink:#FBE9F0;--on:#fff;
--serif:"Newsreader",Georgia,serif;--sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121220;--surface:#1B1B2E;--ink:#EEEEF6;--muted:#A5A5BC;--line:#2E2E46;--hema:#A7A3F2;--soft:#26264A;--pink:#3A2230;--on:#121220}}
:root[data-theme="dark"]{--bg:#121220;--surface:#1B1B2E;--ink:#EEEEF6;--muted:#A5A5BC;--line:#2E2E46;--hema:#A7A3F2;--soft:#26264A;--pink:#3A2230;--on:#121220}
html{scroll-padding-top:110px}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
a{color:inherit}
:focus-visible{outline:2px solid var(--hema);outline-offset:3px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;margin:0}
h1{font-size:clamp(38px,6vw,62px);line-height:1.05}
h2{font-size:clamp(28px,4vw,38px);line-height:1.1}
h3{font-size:20px;line-height:1.2}
p{margin:0}.muted{color:var(--muted)}
.sec{padding:64px 0}.band{background:var(--surface);border-block:1px solid var(--line)}
.btn{display:inline-block;background:var(--hema);color:var(--on);border:1px solid var(--hema);border-radius:999px;padding:12px 24px;font:500 15px var(--sans);text-decoration:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.sm{padding:8px 18px;font-size:14px}
.btn[aria-pressed="true"]{background:var(--soft);color:var(--hema)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.top{background:var(--hema);color:var(--on);font-size:14px}
.top .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:6px}
.top a{text-decoration:none;margin-right:18px}
header{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.logo{font-family:var(--serif);font-size:23px;text-decoration:none;display:flex;align-items:center;gap:8px;line-height:1.1}
.logo i{width:12px;height:12px;border-radius:50%;background:var(--hema);box-shadow:9px 0 0 -2px var(--eosin);margin-right:6px}
.logo small{display:block;font:400 11px var(--sans);color:var(--muted)}
nav{display:flex;gap:6px;margin-left:auto;align-items:center}
nav>div{position:relative}
nav a.t{display:block;text-decoration:none;padding:8px 12px;border-radius:8px;color:var(--muted);font-size:15px}
nav a.t:hover,nav a[aria-current="page"]{color:var(--ink);background:var(--soft)}
.mega{display:none;position:absolute;right:0;top:100%;width:min(720px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;gap:24px;grid-template-columns:repeat(3,1fr);box-shadow:0 12px 32px rgba(20,20,60,.14)}
nav>div:hover .mega,nav>div:focus-within .mega{display:grid}
.mega h3{font-size:17px;margin-bottom:8px}.mega h3 a{text-decoration:none}
.mega a{display:block;font-size:14px;color:var(--muted);text-decoration:none;padding:3px 0}
.mega a:hover{color:var(--hema)}.mega .all{color:var(--hema);font-weight:500}
@media(max-width:900px){.mega{display:none!important}nav{margin-left:0;width:100%;overflow-x:auto;white-space:nowrap;padding-bottom:6px}}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding:56px 0 40px}
@media(max-width:820px){.hero{grid-template-columns:1fr}}
.lead{font-size:19px;color:var(--muted);margin:20px 0 28px;max-width:52ch}
.slide-box{text-align:center}.slide-box svg{width:100%;height:auto;display:block}
.tissue{fill:#D7D5DD;transition:fill 2.6s}.nuc{fill:#C4C2CE;transition:fill 3.4s .5s}
.stained .tissue{fill:var(--eosin)}.stained .nuc{fill:var(--hema)}
.glass{fill:var(--surface);stroke:var(--line);stroke-width:2}.lab{fill:var(--soft)}
.st{font:500 10px var(--sans);fill:var(--muted)}
.slide-box button,.lnk{margin-top:12px;background:none;border:0;color:var(--muted);font:500 14px var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:4px}
@media(prefers-reduced-motion:reduce){.tissue,.nuc{transition:none}.ring::after{animation:none!important}}
.strip{display:flex;gap:10px;overflow-x:auto;padding:4px 0 20px}
.strip a,.catnav a{flex:none;text-decoration:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 18px;font-size:15px}
.strip a:hover,.catnav a:hover{border-color:var(--hema);color:var(--hema)}
.catnav{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 32px}
.catnav a[aria-current="page"]{background:var(--soft);color:var(--hema);border-color:var(--hema)}
.head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.head.sm{margin-bottom:18px}.head.sm h3{font-size:24px}
.more{color:var(--hema);font-weight:500;text-decoration:none}
.blk{margin-bottom:44px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.tile{aspect-ratio:16/9;background:var(--soft);display:grid;place-items:center}
.tile[data-c="staining"]{background:var(--pink)}
.tile[data-c="slides"]{background:linear-gradient(135deg,var(--soft),var(--pink))}
.tile b{font-family:var(--serif);font-weight:400;font-size:44px;color:var(--hema);opacity:.85}
.card .in{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:8px}
.card small{color:var(--hema);font-size:13px}
.card ul{list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted)}
.card .btn{margin-top:auto;align-self:flex-start}
.welcome{display:grid;grid-template-columns:1fr 1.3fr;gap:56px}
.two{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
@media(max-width:820px){.welcome,.two{grid-template-columns:1fr;gap:24px}}
.prose p{font-family:var(--serif);font-size:19px;line-height:1.65}.prose p+p{margin-top:1em}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));border-top:1px solid var(--line)}
.facts div{padding:18px 20px 18px 0;border-bottom:1px solid var(--line)}
.facts span{display:block;font-size:13px;color:var(--muted)}
.facts b{font-family:var(--serif);font-weight:500;font-size:19px}
.crumb{font-size:14px;color:var(--muted);margin-bottom:12px}.crumb a{color:var(--hema);text-decoration:none}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px}
.cols b{display:block;font-family:var(--serif);font-weight:500;font-size:19px;margin-bottom:3px}
.cols span{font-size:15px;color:var(--muted)}
ul.l{margin:12px 0 0;padding-left:20px;color:var(--muted)}ul.l li{margin:5px 0}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px;counter-reset:s}
.steps li{counter-increment:s;border-top:1px solid var(--line);padding-top:12px}
.steps li::before{content:counter(s);font-family:var(--serif);color:var(--hema);display:block;font-size:15px}
.steps b{font-family:var(--serif);font-weight:500;font-size:20px;display:block}
.steps span{font-size:15px;color:var(--muted)}
.callband{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:var(--soft);border-radius:24px;padding:36px}
.callband p{margin-top:6px}
/* contact */
.lead2{font-size:19px;color:var(--muted);margin:16px 0 36px;max-width:56ch}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.duo{grid-template-columns:1fr}}
.tileC{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:30px;display:flex;flex-direction:column;gap:12px;overflow:hidden}
.big{font-family:var(--serif);font-size:clamp(28px,4vw,38px);line-height:1.1;text-decoration:none;color:var(--hema);word-break:break-word}
.big.mail{font-size:clamp(20px,2.6vw,26px)}
.ring::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;border:2px solid var(--eosin);opacity:.5;animation:ring 2.8s ease-out infinite}
@keyframes ring{0%{transform:scale(.5);opacity:.7}100%{transform:scale(1.6);opacity:0}}
.slip{display:flex;margin-top:20px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}
.slip-l{flex:none;width:96px;background:var(--soft);padding:18px 14px;font:500 11px var(--sans);color:var(--muted);display:flex;flex-direction:column;gap:4px}
.slip-b{padding:22px 26px;flex:1}
.qlist{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.qlist button{background:var(--soft);color:var(--hema);border:0;border-radius:999px;padding:6px 14px;font:500 14px var(--sans);cursor:pointer}
.where{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:48px}
@media(max-width:820px){.where{grid-template-columns:1fr;gap:28px}}
.where h3{margin-bottom:6px}
footer{background:var(--surface);border-top:1px solid var(--line);padding:48px 0 24px}
.fg{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.3fr;gap:32px}
@media(max-width:820px){.fg{grid-template-columns:1fr 1fr}}
footer h3{font-size:18px;margin-bottom:10px}
footer a{display:block;text-decoration:none;color:var(--muted);font-size:15px;padding:3px 0;word-break:break-word}
footer a:hover{color:var(--hema)}
.copy{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.pill{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:40;background:var(--hema);color:var(--on);text-decoration:none;border-radius:999px;padding:12px 22px;font-weight:500;box-shadow:0 8px 24px rgba(20,20,60,.25)}
.pill[hidden]{display:none}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(24px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 20px;border-radius:999px;font-size:14px;z-index:50}