/* MME Autoimmunity. Swiss: white, one sans family, MME blue as the only accent, hairline grid.
   Every side-specific rule is written start/end, so the Arabic pages mirror with dir="rtl" alone. */
:root{--paper:#FFFFFF;--tint:#F7F7F8;--ink:#111111;--mute:#5E6166;--rule:#111111;--hair:#D9DADC;--blue:#284F9E;--blue-10:#E9EDF5}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 "Helvetica Neue",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
[lang="ar"] body{font-family:"IBM Plex Sans Arabic","Segoe UI",Tahoma,Arial,sans-serif;line-height:1.7}
[lang="ar"] h1,[lang="ar"] h2,[lang="ar"] h3,[lang="ar"] .nums b{letter-spacing:0}
[lang="ar"] h1{line-height:1.25} [lang="ar"] h2{line-height:1.3}
[dir="ltr"]{unicode-bidi:isolate}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:700;letter-spacing:-.02em;margin:0;text-wrap:balance}
h1{font-size:clamp(40px,6.4vw,88px);line-height:.98}
h2{font-size:clamp(28px,3.4vw,44px);line-height:1.05}
h3{font-size:20px;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
.lead{font-size:clamp(18px,1.6vw,22px);line-height:1.4;max-width:34em}
.mute{color:var(--mute)}
.small{font-size:14px}

/* header */
.top{border-bottom:1px solid var(--rule);position:sticky;top:0;background:var(--paper);z-index:20}
.top .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px;text-decoration:none;white-space:nowrap;color:var(--blue)}
.brand img{height:22px;width:auto}
.brand span{padding-inline-start:12px;border-inline-start:1px solid var(--blue)}
.lang{font-size:14px;text-decoration:none;border:1px solid var(--ink);padding:6px 10px;white-space:nowrap}
.lang:hover{background:var(--ink);color:var(--paper)}
.top nav{display:flex;gap:22px;margin-inline-start:auto;font-size:15px}
.top nav a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.top nav a:hover,.top nav a[aria-current="page"]{border-bottom-color:var(--blue)}
.cartbtn{font:inherit;font-size:15px;font-weight:700;background:var(--ink);color:var(--paper);border:0;padding:10px 16px;cursor:pointer;white-space:nowrap}
.cartbtn b{display:inline-block;min-width:20px;text-align:center;margin-inline-start:6px;background:var(--blue);padding:0 6px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

/* buttons */
.btn{display:inline-block;font:inherit;font-weight:700;font-size:16px;padding:14px 22px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:var(--ink);border-color:var(--ink)}
.btn.sm{padding:9px 14px;font-size:14px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* hero */
.hero{border-bottom:1px solid var(--rule)}
.hero .wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;padding-top:56px;padding-bottom:0}
.hero .copy{grid-column:1 / span 6;padding-bottom:56px}
.hero .pic{grid-column:7 / span 6;align-self:end}
.kicker{font-size:14px;font-weight:700;color:var(--blue);margin-bottom:18px}
.hero .lead{margin-top:22px}

/* numerals */
.nums{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--rule)}
.nums div{padding:22px 24px 26px;border-inline-start:1px solid var(--hair)}
.nums div:first-child{border-inline-start:0}
.nums b{display:block;font-size:clamp(44px,6vw,84px);line-height:.95;letter-spacing:-.04em;font-weight:700}
.nums b i{font-style:normal;font-size:.36em;letter-spacing:0;margin-inline-start:4px}
.nums span{display:block;margin-top:10px;font-size:15px;color:var(--mute);max-width:16em}

/* sections */
section{padding:72px 0;border-bottom:1px solid var(--rule)}
.head{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-bottom:36px}
.head h2{grid-column:1 / span 5}
.head p{grid-column:7 / span 6;align-self:end}
.folio{font-size:14px;font-weight:700;color:var(--blue);margin-bottom:12px}
.two{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--rule)}
.two>a{display:block;text-decoration:none;padding:28px 28px 32px;border-inline-start:1px solid var(--hair)}
.two>a:first-child{border-inline-start:0;padding-inline-start:0}
.two>a:hover h3{color:var(--blue)}
.two img{aspect-ratio:4/3;object-fit:contain;background:var(--tint);margin-bottom:20px;width:100%}
.two p{margin-top:8px;color:var(--mute);max-width:30em}
.more{display:inline-block;margin-top:14px;font-weight:700;border-bottom:2px solid var(--blue)}

/* feature grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.grid3>div{padding-block:24px 28px;padding-inline:0 24px;border-bottom:1px solid var(--hair)}
.grid3>div:not(:nth-child(3n+1)){padding-inline-start:24px;border-inline-start:1px solid var(--hair)}
.grid3 h3{margin-bottom:8px}
.grid3 p{color:var(--mute)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--rule);counter-reset:s}
.steps>div{padding-block:22px 26px;padding-inline:0 24px;counter-increment:s}
.steps>div:not(:first-child){padding-inline-start:24px;border-inline-start:1px solid var(--hair)}
.steps>div::before{content:counter(s,decimal-leading-zero);display:block;font-size:44px;font-weight:700;letter-spacing:-.03em;color:var(--blue);line-height:1;margin-bottom:14px}
.steps p{color:var(--mute);margin-top:6px}

/* spec table */
.spec{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.spec th,.spec td{text-align:start;padding:13px 0;border-bottom:1px solid var(--hair);vertical-align:top}
.spec th{width:38%;font-weight:400;color:var(--mute);padding-inline-end:18px}
.spec tr:first-child th,.spec tr:first-child td{border-top:1px solid var(--rule)}
.split{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.split>.a{grid-column:1 / span 6}.split>.b{grid-column:8 / span 5}
.split>.wide{grid-column:1 / span 7}.split>.narrow{grid-column:9 / span 4}
.buy{border:1px solid var(--rule);padding:22px}
.buy h3{margin-bottom:6px}
.buy .row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 0;border-top:1px solid var(--hair)}
.buy .row:first-of-type{margin-top:14px}
.price{font-weight:700;white-space:nowrap}

/* the strip */
.stripwrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.strip{grid-column:1 / span 4;border:1px solid var(--rule);padding:18px 20px;background:var(--paper)}
.strip .lbl{font-size:12px;font-weight:700;color:var(--mute);margin:14px 0 6px}
.strip .lbl:first-child{margin-top:0}
.dotrow{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center;padding:3px 6px;margin:0 -6px;font-size:13px;cursor:default;border:0;background:none;width:calc(100% + 12px);text-align:start;font-family:inherit;color:inherit}
.dotrow .n{color:var(--mute);font-variant-numeric:tabular-nums}
.dotrow .d{display:flex;gap:7px}
.dotrow .d i{width:11px;height:11px;border-radius:50%;background:var(--blue);display:block}
.dotrow:hover,.dotrow:focus-visible,.dotrow.on{background:var(--blue);color:#fff}
.dotrow:hover .n,.dotrow.on .n,.dotrow:focus-visible .n{color:#fff}
.dotrow:hover .d i,.dotrow.on .d i,.dotrow:focus-visible .d i{background:#fff!important}
.stripinfo{grid-column:6 / span 7;position:sticky;top:96px}
.stripinfo .now{font-size:clamp(34px,4.6vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1;min-height:1.1em}
.stripinfo .what{margin-top:10px;color:var(--mute);min-height:3em;max-width:34em}
.legend{margin-top:28px;border-top:1px solid var(--rule)}
.legend div{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--hair)}
.legend b{font-weight:700}
.legend span{color:var(--mute)}

/* shop */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filters button{font:inherit;font-size:14px;padding:8px 14px;border:1px solid var(--ink);background:var(--paper);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.shop{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule);border-inline-start:1px solid var(--hair)}
.item{padding:20px;border-inline-end:1px solid var(--hair);border-bottom:1px solid var(--hair);display:flex;flex-direction:column;gap:8px;min-width:0}
.item .ref{font-size:13px;color:var(--mute);font-variant-numeric:tabular-nums}
.item .ag{font-size:13.5px;color:var(--mute);line-height:1.45}
.item .foot{margin-top:auto;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;background:var(--blue-10);color:var(--blue)}

/* cart */
.veil{position:fixed;inset:0;background:rgba(17,17,17,.4);z-index:30}
.cart{position:fixed;top:0;inset-inline-end:0;bottom:0;width:min(480px,100%);background:var(--paper);border-inline-start:1px solid var(--rule);z-index:31;display:flex;flex-direction:column}
.cart header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--rule)}
.cart .body{padding:8px 22px 22px;overflow:auto;flex:1}
.cart .line{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:14px 0;border-bottom:1px solid var(--hair)}
.cart .line small{color:var(--mute);display:block}
.qty{display:flex;align-items:center;border:1px solid var(--ink)}
.qty button{font:inherit;width:34px;height:34px;border:0;background:none;cursor:pointer;font-size:18px}
.qty span{min-width:30px;text-align:center;font-variant-numeric:tabular-nums}
.cart form{display:grid;gap:12px;margin-top:20px}
.cart label{display:grid;gap:4px;font-size:14px;color:var(--mute)}
.cart input,.cart select,.cart textarea{font:inherit;color:var(--ink);padding:10px 12px;border:1px solid var(--ink);background:var(--paper);border-radius:0;width:100%}
.cart .x{font:inherit;border:0;background:none;cursor:pointer;font-size:15px;text-decoration:underline}
.cart .rm{font:inherit;font-size:13px;border:0;background:none;color:var(--mute);text-decoration:underline;cursor:pointer;padding:0;justify-self:start}
.cart pre{white-space:pre-wrap;font:13.5px/1.5 "Helvetica Neue",Helvetica,Arial,sans-serif;border:1px solid var(--hair);padding:14px;margin:14px 0}
.err{color:#B3261E;font-size:14px}

/* footer */
footer{padding:44px 0 64px;font-size:14px}
footer .wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
footer div{grid-column:span 4}
footer img{width:220px;margin-bottom:14px}
footer b{display:block;margin-bottom:6px}
footer p{color:var(--mute)}

@media (max-width:900px){
  .top nav{display:none}
  .lang{margin-inline-start:auto}
  .hero .wrap{padding-top:36px}
  .hero .copy,.hero .pic,.head h2,.head p,.split>.a,.split>.b,.split>.wide,.split>.narrow,.strip,.stripinfo{grid-column:1 / -1}
  .stripinfo{position:static}
  .nums{grid-template-columns:1fr 1fr}.nums div:nth-child(3){border-inline-start:0}.nums div:nth-child(n+3){border-top:1px solid var(--hair)}
  .two,.grid3,.steps,.shop{grid-template-columns:1fr}
  .two>a,.grid3>div,.steps>div{padding-inline-start:0!important;border-inline-start:0!important}
  .steps>div{border-bottom:1px solid var(--hair)}
  .legend div{grid-template-columns:1fr;gap:2px}
  footer div{grid-column:1 / -1}
  section{padding:48px 0}
}

/* ---- Quantrix page: panels, comparison, report, calibration ---- */
.panels{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.panel{padding:24px 24px 28px 0;display:flex;flex-direction:column;gap:6px}
.panel:not(:first-child){padding-inline-start:24px;border-inline-start:1px solid var(--hair)}
.panel:first-child{padding-inline:0 24px}
.panel .big{font-size:clamp(56px,7vw,96px);font-weight:700;letter-spacing:-.04em;line-height:.9;color:var(--blue)}
.panel .foot{margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.grp{display:grid;grid-template-columns:1fr auto;gap:2px 14px;padding:12px 0;border-bottom:1px solid var(--hair)}
.grp b{grid-column:1}.grp span{grid-column:1;font-size:14px;color:var(--mute)}
.grp i{grid-column:2;grid-row:1 / span 2;font-style:normal;font-weight:700;font-size:28px;letter-spacing:-.02em;color:var(--blue);align-self:center;font-variant-numeric:tabular-nums}
.vs{width:100%;border-collapse:collapse}
.vs th,.vs td{text-align:start;padding:14px 16px;border-bottom:1px solid var(--hair);vertical-align:top}
.vs th:first-child,.vs td:first-child{padding-inline-start:0;color:var(--mute);width:24%}
.vs thead th{border-bottom:1px solid var(--rule);font-size:14px}
.vs td:last-child,.vs th:last-child{background:var(--blue-10);font-weight:700}
.vs thead th:last-child{color:var(--blue)}
.rep{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:15px}
.rep th,.rep td{padding:9px 10px;border-bottom:1px solid var(--hair);text-align:end}
.rep th{font-size:13px;color:var(--mute);font-weight:400;border-bottom:1px solid var(--rule)}
.rep .t{text-align:start}
.rep tr.pos td{background:var(--blue-10)}
.g{display:inline-block;min-width:38px;text-align:center;font-weight:700;font-size:13px;padding:1px 6px;border:1px solid var(--ink);margin-inline-end:6px}
.g2,.g3,.g4{background:var(--blue);border-color:var(--blue);color:#fff}
.g1{background:var(--blue-10);border-color:var(--blue);color:var(--blue)}
.scale{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--rule);margin-top:18px}
.scale div{padding:10px 12px;border-inline-start:1px solid var(--hair);display:grid;gap:2px}
.scale div:first-child{border-inline-start:0}
.scale b{font-size:20px}.scale span{font-size:13px;color:var(--mute)}.scale em{font-style:normal;font-size:13px;font-weight:700}
.scale .g2{background:#C9D3E8;color:var(--ink)}.scale .g3{background:#7F95C6;color:#fff}.scale .g4{background:var(--blue);color:#fff}
.scale .g3 span,.scale .g4 span{color:#fff}.scale .g1{background:var(--blue-10);color:var(--ink)}
#curve{width:100%;height:auto;display:block;overflow:visible}
#curve text{font-size:12px;fill:var(--mute);font-family:inherit}
#curve .gl{stroke:var(--hair)}#curve .cut{stroke:var(--ink);stroke-dasharray:5 4}#curve .cutt{fill:var(--ink)}
#curve .cv{fill:none;stroke:var(--ink);stroke-width:2}#curve .st{fill:var(--paper);stroke:var(--ink);stroke-width:2}#curve .stl{fill:var(--ink);font-weight:700}
#curve .pt{fill:var(--blue)}#curve .drop{stroke:var(--blue);stroke-dasharray:2 3}#curve .ptl{fill:var(--blue);font-weight:700;font-size:13px}
.key{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--mute);margin-top:8px}
.key i{display:inline-block;width:11px;height:11px;border-radius:50%;margin-inline-end:6px;vertical-align:-1px}
.key .k1{border:2px solid var(--ink)}.key .k2{background:var(--blue)}
.src{font-size:13px;color:var(--mute);margin-top:14px}
video{width:100%;display:block;background:var(--ink)}
@media (max-width:900px){.panels{grid-template-columns:1fr}.panel{padding-inline:0!important;border-inline-start:0!important;border-bottom:1px solid var(--hair)}
  .scale{grid-template-columns:1fr 1fr}.vs th:first-child,.vs td:first-child{width:auto}.rep{font-size:13.5px}.rep th,.rep td{padding:8px 5px}}

/* ---- the order: an estimate of use for each kit ---- */
.cart .line{grid-template-columns:1fr auto}
.use{display:grid;grid-template-columns:110px auto;gap:6px}
.cart .use input,.cart .use select{padding:7px 8px;font-size:14px}
.cart .use input{text-align:end}
.cart .est{grid-column:1 / -1;color:var(--blue);font-weight:700}
.cart form h3{font-size:16px}
.cart .line a{font-weight:700}

/* ---- the distributor statement ---- */
.dist{background:var(--blue);color:#fff;border-bottom:0;padding:56px 0}
.dist .folio{color:#fff;opacity:.75}
.dist .state{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.25;max-width:26em;letter-spacing:-.01em;text-wrap:balance}
[lang="ar"] .dist .state{letter-spacing:0;line-height:1.5}
.dist .mute{color:#fff;opacity:.85;margin-top:14px;max-width:44em}

/* ---- the home banner as a slider: every slide sits in the same cell, so the banner keeps one height ---- */
.slider .slides{display:grid}
.slider .slide{grid-area:1 / 1;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;padding-top:56px;visibility:hidden;opacity:0;transition:opacity .45s ease}
.slider .slide.on{visibility:visible;opacity:1}
.slider .slide .copy{grid-column:1 / span 6;padding-bottom:40px}
.slider .slide .pic{grid-column:7 / span 6;align-self:end}
.slider .h1{font-size:clamp(34px,5vw,68px);line-height:1.02}
[lang="ar"] .slider .h1{line-height:1.3}
.panelpic{padding-bottom:40px}
.panelpic .big{font-size:clamp(72px,10vw,150px);font-weight:700;letter-spacing:-.05em;line-height:.85;color:var(--blue);margin-bottom:18px}
.panelpic .big small{font-size:18px;letter-spacing:0;color:var(--mute);font-weight:400;margin-inline-start:12px}
.panelpic .grp:first-of-type{border-top:1px solid var(--rule)}
.slidenav{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-bottom:20px}
.slider .slide>*{min-width:0}
.panelpic .grp span{overflow-wrap:anywhere}
.slidenav span{flex:1}
.slidenav button{font:inherit;font-size:14px;font-weight:700;padding:8px 14px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);cursor:pointer}
.slidenav button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.slidenav button[data-step]{font-size:18px;line-height:1;padding:7px 12px}
[dir="rtl"] .slidenav button[data-step]{transform:scaleX(-1)}
@media (max-width:900px){.slider .slide{padding-top:36px}.slider .slide .copy,.slider .slide .pic{grid-column:1 / -1}.slider .slide .copy{padding-bottom:8px}}
@media (prefers-reduced-motion:reduce){.slider .slide{transition:none}}
@media (max-width:520px){.top .wrap{gap:10px;padding:0 16px}.brand{gap:8px;font-size:14px}.brand img{height:18px}.brand span{padding-inline-start:8px}.lang{padding:5px 8px;font-size:13px}.cartbtn{padding:9px 10px;font-size:14px}.wrap{padding:0 16px}}
@media (max-width:400px){.brand span{display:none}}
.hero .wrap.slidenav{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:0;padding-bottom:20px}

/* ---- the "quantitative" slide: a strip with its calibration and three results ---- */
.strip.mini{grid-column:auto;max-width:440px;margin-inline-start:auto}
.strip.mini .dotrow{grid-template-columns:22px 1fr auto auto;cursor:default}
.strip.mini .dotrow:hover{background:none;color:inherit}
.strip.mini .dotrow:hover .n{color:var(--mute)} .strip.mini .dotrow:hover .d i{background:var(--blue)!important}
.strip.mini .val{font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}
.strip.mini .dotrow:hover .val{color:var(--blue)}
.panelpic .src{max-width:440px;margin-inline-start:auto}
@media (max-width:900px){.strip.mini,.panelpic .src{margin-inline-start:0}}

/* ---- WhatsApp ---- */
.wa{position:fixed;inset-block-end:20px;inset-inline-end:20px;z-index:15;display:flex;align-items:center;gap:8px;background:#128C7E;color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:12px 16px;border:1px solid #128C7E}
.wa:hover{background:var(--ink);border-color:var(--ink)}
footer .contact{margin-top:10px}
footer .contact a{color:var(--ink)}
@media (max-width:520px){.wa span{display:none}.wa{padding:13px}}
@media print{.wa{display:none}}

/* ---- phones: a menu button, and a slider that shows one slide at its own height with its buttons on top ---- */
.menubtn{display:none;font:inherit;font-size:14px;font-weight:700;padding:6px 10px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);cursor:pointer}
@media (max-width:900px){
  .menubtn{display:block;margin-inline-start:auto}
  .lang{margin-inline-start:0}
  .top nav{display:none;position:absolute;inset-inline:0;top:64px;background:var(--paper);border-bottom:1px solid var(--rule);flex-direction:column;gap:0;margin:0;padding:6px 24px 12px;font-size:17px}
  .top.open nav{display:flex}
  .top nav a{padding:12px 0;border-bottom:1px solid var(--hair)}
  .top nav a:last-child{border-bottom:0}
  .slider{display:flex;flex-direction:column}
  .hero .wrap.slidenav{order:-1;padding-top:14px;padding-bottom:0}
  .slider .slide{display:none}
  .slider .slide.on{display:grid}
  .slidenav span{display:none}
  .slidenav button{padding:8px 10px;font-size:13px}
  .slidenav button[data-step]{display:none}
  .wa{inset-block-end:14px;inset-inline-end:14px}
  footer{padding-bottom:90px}
}
@media (max-width:520px){.brand span{display:none}.top nav{padding-inline:16px}}