:root{--bg:#f6f8fb;--card:#fff;--ink:#0f172a;--mut:#56627a;--line:#e3e8f0;--brand:#0f766e;--brand2:#4338ca;--brand-soft:#e6f6f4;--ok:#047857;--warn:#b45309;--bad:#b91c1c;--r:16px;--sh:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);--w:1120px}
@media (prefers-color-scheme:dark){:root{--bg:#0a0f1d;--card:#111a2e;--ink:#e8edf7;--mut:#9aa8c2;--line:#22304a;--brand:#2dd4bf;--brand2:#818cf8;--brand-soft:#0f2a2f;--ok:#34d399;--warn:#fbbf24;--bad:#f87171;--sh:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Helvetica,Arial,sans-serif}
a{color:var(--brand);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;letter-spacing:-.015em;margin:0 0 .6em}h1{font-size:clamp(1.7rem,4.2vw,2.5rem)}h2{font-size:1.45rem;margin-top:2.2rem}h3{font-size:1.1rem}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;border-radius:8px;z-index:99}
header.site{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:16px;min-height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo svg{width:30px;height:30px}
nav.main{display:flex;gap:4px;margin-left:8px}nav.main a{color:var(--mut);text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:600;font-size:.95rem}nav.main a:hover{background:var(--brand-soft);color:var(--brand)}
.search{position:relative;margin-left:auto;width:min(300px,38vw)}
.search input{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit;font-size:.95rem}
.search input:focus{outline:2px solid var(--brand);outline-offset:1px}
.sres{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);overflow:hidden;display:none}
.sres a{display:block;padding:10px 14px;color:var(--ink);text-decoration:none;font-size:.95rem}.sres a:hover,.sres a:focus{background:var(--brand-soft)}.sres small{color:var(--mut);display:block}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--ink);font-size:1rem}
@media(max-width:820px){nav.main{display:none;position:absolute;top:62px;left:0;right:0;flex-direction:column;background:var(--card);border-bottom:1px solid var(--line);padding:8px 20px}nav.main.open{display:flex}.menu-btn{display:block}.search{width:auto;flex:1}}
.hero{padding:56px 0 36px;background:radial-gradient(900px 400px at 85% -10%,color-mix(in srgb,var(--brand2) 22%,transparent),transparent),radial-gradient(700px 360px at 0% 0%,color-mix(in srgb,var(--brand) 22%,transparent),transparent)}
.hero p{font-size:1.15rem;color:var(--mut);max-width:640px}
.hero .search{width:min(520px,100%);margin:22px 0 0}.hero .search input{padding:15px 18px;font-size:1.05rem;border-radius:14px;background:var(--card);box-shadow:var(--sh)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:20px}
a.tile{display:flex;gap:14px;align-items:flex-start;text-decoration:none;color:var(--ink);transition:transform .15s,border-color .15s}
a.tile:hover{transform:translateY(-2px);border-color:var(--brand)}
.chip{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 4px 12px color-mix(in srgb,var(--brand) 35%,transparent)}.chip .ic{width:24px;height:24px}
a.tile strong{display:block;font-size:1.02rem;line-height:1.3}a.tile span.d{color:var(--mut);font-size:.9rem;line-height:1.45;display:block;margin-top:4px}
.cats{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.crumbs{font-size:.88rem;color:var(--mut);padding:18px 0 6px}.crumbs a{color:var(--mut)}
.lead{font-size:1.12rem;color:var(--mut);max-width:760px}
.layout{display:grid;gap:20px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin:20px 0}
@media(max-width:860px){.layout{grid-template-columns:1fr}}
.field{margin-bottom:16px}.field label{display:block;font-weight:650;font-size:.93rem;margin-bottom:6px}
.inp{display:flex;gap:8px}.inp input,.inp select,.field>select,.field>input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit}
.inp select{width:auto;min-width:92px}.inp .suf{align-self:center;color:var(--mut);font-size:.9rem;white-space:nowrap}
input:focus,select:focus,button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
.field small{color:var(--mut);display:block;margin-top:4px}.err{color:var(--bad);font-size:.85rem;margin:4px 0 0}
input[aria-invalid=true]{border-color:var(--bad)}
.hrow{display:flex;gap:8px;margin-top:8px}.hrow[hidden]{display:none}
.btns{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}
button.btn{cursor:pointer;border:0;border-radius:12px;padding:12px 20px;font:inherit;font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
button.btn.sec{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
button.btn:hover{filter:brightness(1.07)}
.res{padding:14px 16px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--bg)}
.res .lbl{display:block;color:var(--mut);font-size:.88rem}.res .val{font-size:1.45rem;font-weight:800;letter-spacing:-.02em}.res .u{font-weight:600;color:var(--mut);font-size:.95rem;margin-left:6px}.res .n{display:block;color:var(--mut);font-size:.88rem;margin-top:2px}
.res.big{background:linear-gradient(135deg,var(--brand-soft),transparent);border-color:var(--brand)}.res.big .val{font-size:2.1rem;color:var(--brand)}
.notice{padding:12px 14px;border-radius:12px;border:1px solid var(--line);font-size:.92rem;margin-top:6px;background:var(--bg);color:var(--mut)}
.notice.warn{border-color:var(--warn);color:var(--warn)}.notice.bad{border-color:var(--bad);color:var(--bad)}
.placeholder{color:var(--mut);padding:20px 0}
.med{border:1px solid var(--warn);background:color-mix(in srgb,var(--warn) 9%,transparent);padding:12px 16px;border-radius:12px;font-size:.9rem;margin:14px 0}
.badge{display:inline-block;font-size:.82rem;font-weight:650;padding:4px 10px;border-radius:99px;background:var(--brand-soft);color:var(--brand);margin:0 0 12px}
.prose{max-width:780px}.prose table,table.chart{border-collapse:collapse;width:100%;margin:0 0 1.2em;font-size:.95rem}
.prose th,.prose td,table.chart th,table.chart td{border:1px solid var(--line);padding:9px 12px;text-align:left}.prose th,table.chart th{background:var(--brand-soft)}
.formula{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92rem;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);padding:14px 16px;border-radius:10px;overflow-x:auto}
.prose ul{padding-left:1.2em}
details.faq{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:10px;padding:0 16px}
details.faq summary{cursor:pointer;font-weight:650;padding:14px 0;list-style:none}details.faq summary::-webkit-details-marker{display:none}
details.faq summary:after{content:"+";float:right;color:var(--brand);font-size:1.3rem;line-height:1}details.faq[open] summary:after{content:"–"}
.src li{margin-bottom:6px;color:var(--mut);font-size:.92rem}.ex td:first-child{width:38%;color:var(--mut)}
.ad-slot{min-height:90px;margin:24px 0;display:none}.ads-on .ad-slot{display:block}
footer.site{margin-top:60px;border-top:1px solid var(--line);background:var(--card);padding:36px 0 24px;color:var(--mut);font-size:.93rem}
.fcols{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:24px}.fcols h4{margin:0 0 10px;color:var(--ink);font-size:.95rem}.fcols a{display:block;color:var(--mut);text-decoration:none;padding:3px 0}.fcols a:hover{color:var(--brand)}
.langs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.langs a{padding:4px 12px;border:1px solid var(--line);border-radius:99px;text-decoration:none;color:var(--ink);font-size:.88rem}.langs a[aria-current]{background:var(--brand);color:#fff;border-color:var(--brand)}
section.block{margin-top:44px}
@media print{header.site,footer.site,.btns,.search{display:none}}

/* ---------- colour themes per category ---------- */
.t-fitness,.cat-fitness{--brand:#ea580c;--brand2:#db2777;--brand-soft:#fff1e8}
.t-clinical,.cat-clinical{--brand:#0d9488;--brand2:#2563eb;--brand-soft:#e3f6f4}
.t-finance,.cat-finance{--brand:#7c3aed;--brand2:#4f46e5;--brand-soft:#f0eafd}
@media (prefers-color-scheme:dark){.t-fitness,.cat-fitness{--brand:#fb923c;--brand2:#f472b6;--brand-soft:#2e1a12}.t-clinical,.cat-clinical{--brand:#2dd4bf;--brand2:#60a5fa;--brand-soft:#0f2a2f}.t-finance,.cat-finance{--brand:#a78bfa;--brand2:#818cf8;--brand-soft:#21183d}}
@media (prefers-color-scheme:dark){.chip{color:#0a0f1d}}
a.tile{border-top:3px solid var(--brand)}
.card.tile:hover{box-shadow:0 10px 30px color-mix(in srgb,var(--brand) 22%,transparent)}
.ic{width:1em;height:1em;vertical-align:-.15em}
h2 .ic{width:1.1em;height:1.1em;color:var(--brand);margin-right:6px;vertical-align:-.2em}
.ph{display:flex;gap:14px;align-items:center;margin-bottom:6px}.ph h1{margin:0}.ph .chip{width:54px;height:54px;border-radius:15px}.ph .chip .ic{width:28px;height:28px}
.cat-fitness .badge,.cat-clinical .badge,.cat-finance .badge{background:var(--brand-soft)}
.layout>.card:first-child{border-top:3px solid var(--brand)}
.layout>.card:last-child{border-top:3px solid var(--brand2)}
/* hero */
.hero{position:relative;overflow:hidden}
.hero .stats{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.hero .stats li{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:7px 14px 7px 10px;font-size:.9rem;font-weight:600;box-shadow:var(--sh)}
.hero .stats .ic{width:18px;height:18px;color:var(--brand)}
.hero .deco{position:absolute;right:max(20px,calc((100vw - var(--w))/2 + 20px));top:50%;transform:translateY(-50%);display:grid;grid-template-columns:repeat(3,64px);gap:14px;opacity:.95}
.hero .deco span{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;color:#fff;box-shadow:var(--sh)}
.hero .deco span:nth-child(odd){transform:translateY(12px)}
.hero .deco .ic{width:30px;height:30px}
.hero .deco .a{background:linear-gradient(135deg,#ea580c,#db2777)}.hero .deco .b{background:linear-gradient(135deg,#0d9488,#2563eb)}.hero .deco .c{background:linear-gradient(135deg,#7c3aed,#4f46e5)}
@media(max-width:960px){.hero .deco{display:none}}
.hero h1{background:linear-gradient(90deg,var(--ink),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent;max-width:720px}
.why .card{position:relative;padding-top:26px}.why .chip{margin-bottom:12px}
/* disclaimer box */
.disc{display:flex;gap:10px;align-items:flex-start;border:1px solid color-mix(in srgb,var(--brand2) 40%,var(--line));background:color-mix(in srgb,var(--brand2) 7%,transparent);padding:12px 16px;border-radius:12px;font-size:.9rem;margin:14px 0}
.disc .ic{flex:none;width:20px;height:20px;color:var(--brand2);margin-top:2px}
.med{display:flex;gap:10px;align-items:flex-start}.med .ic{flex:none;width:20px;height:20px;color:var(--warn);margin-top:2px}
/* result visuals */
.viz{margin:4px 0 14px;padding:14px 16px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.sc-wrap{position:relative;padding-top:30px}
.sc-track{display:flex;height:14px;border-radius:99px;overflow:hidden;gap:2px}
.sc-seg{height:100%;min-width:2px}
.sc-pin{position:absolute;top:0;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;font-size:.78rem;font-weight:800;line-height:1;white-space:nowrap;transition:left .35s}
.sc-pin:after{content:"";width:0;height:0;border:6px solid transparent;border-top:8px solid var(--ink);border-bottom:0;margin-top:3px}
.sc-pin b{background:var(--ink);color:var(--bg);padding:3px 7px;border-radius:7px}
.sc-labs{display:flex;gap:2px;margin-top:6px}.sc-labs span{font-size:.7rem;color:var(--mut);text-align:center;line-height:1.2;min-width:0;overflow:hidden;text-overflow:ellipsis}
.tn-low{background:#38bdf8}.tn-ok{background:#16a34a}.tn-ok2{background:#84cc16}.tn-warn{background:#f59e0b}.tn-warn2{background:#f97316}.tn-bad{background:#ef4444}.tn-bad2{background:#b91c1c}
.tn-c1{background:#ea580c}.tn-c2{background:#0d9488}.tn-c3{background:#7c3aed}.tn-c4{background:#2563eb}
.sp-bar{display:flex;height:22px;border-radius:99px;overflow:hidden;gap:2px}.sp-bar span{height:100%;min-width:3px;transition:width .35s}
.sp-leg{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:.84rem;color:var(--mut)}.sp-leg i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}.sp-leg b{color:var(--ink)}
.bar-row{display:grid;grid-template-columns:minmax(80px,32%) 1fr;gap:10px;align-items:center;margin:7px 0;font-size:.84rem}
.bar-row .tr{background:var(--line);border-radius:99px;height:14px;overflow:hidden}.bar-row .tr span{display:block;height:100%;border-radius:99px;transition:width .35s}
.bar-row .nm{color:var(--mut);line-height:1.2}.bar-row .nm b{color:var(--ink);display:block}
/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 40px rgba(15,23,42,.28);padding:18px 20px;display:flex;gap:16px;align-items:flex-start}
.cookie[hidden]{display:none}
.cookie .chip{width:42px;height:42px}
.cookie h2{font-size:1.05rem;margin:0 0 4px}.cookie p{margin:0 0 12px;font-size:.9rem;color:var(--mut)}
.cookie .btns{margin:0}.cookie button.btn{padding:10px 18px;font-size:.92rem}
.linkbtn{background:none;border:0;padding:3px 0;font:inherit;color:var(--mut);cursor:pointer;text-align:left}.linkbtn:hover{color:var(--brand)}
@media(max-width:520px){.cookie{flex-direction:column;gap:10px;padding:16px}.cookie button.btn{flex:1}}
@media print{.cookie{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:520px){.ph{gap:10px}.ph .chip{width:42px;height:42px;border-radius:12px}.ph .chip .ic{width:22px;height:22px}.ph h1{font-size:1.45rem}}