/* 876t.info — Refração: optician's refraction room. Paper chart, duochrome red/green, havana acetate, graphite instruments. */
:root{
 --paper:#F2F1EC;--paper-2:#E7E7E0;--sheet:#FBFBF8;--ink:#16181B;--ink-2:#34383D;--muted:#575C61;--rule:#CFCFC6;
 --red:#B3261E;--red-b:#E0473B;--green:#1E6B45;--green-b:#3FA163;--havana:#7A4521;--honey:#D6A04A;
 --lens:#DCE6E7;--glass:#9DBBC0;--graph:#17191C;--graph-2:#202328;--felt:#1F4A3A;
 --fd:"Instrument Serif",Georgia,"Times New Roman",serif;--fb:"Host Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
 --wrap:1240px;--gut:20px;--hh:68px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--hh) + 16px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--fb);font-kerning:normal;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{max-width:100%}
a{color:var(--green);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--red)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
.room :focus-visible,.ft :focus-visible{outline-color:var(--honey)}
h1,h2,h3{text-wrap:balance}
p,li{text-wrap:pretty}
.skip{position:absolute;left:12px;top:-80px;z-index:100;background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:999px;font-weight:700;text-decoration:none}
.skip:focus{top:12px;color:var(--paper)}

/* ---------- header: frame bar ---------- */
.hd{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 94%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.hd-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);min-height:68px;display:flex;align-items:center;gap:12px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;min-height:44px;flex:none}
.brand:hover{color:var(--ink)}
.spx{width:48px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;overflow:visible}
.spx .spx-l:nth-of-type(1){fill:rgba(224,71,59,.22)}
.spx .spx-l:nth-of-type(2){fill:rgba(63,161,99,.22)}
.brand-w{display:flex;flex-direction:column;gap:3px}
.brand-n{font:800 23px/1 var(--fb);letter-spacing:.05em;text-transform:uppercase}
.brand-s{font:600 11px/1 var(--fb);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.mb{order:3;appearance:none;display:inline-flex;align-items:center;gap:10px;min-height:44px;min-width:44px;padding:0 16px;border:1.5px solid var(--ink);border-radius:999px;background:transparent;color:var(--ink);font:600 15px/1 var(--fb);cursor:pointer}
.mb-i{position:relative;width:30px;height:14px;flex:none}
.mb-i i{position:absolute;top:0;width:14px;height:14px;border:2px solid currentColor;border-radius:50%;transition:transform .25s ease,background .25s}
.mb-i i:first-child{left:0}.mb-i i:last-child{right:0}
.mb[aria-expanded=true]{background:var(--ink);color:var(--paper)}
.mb[aria-expanded=true] .mb-i i:first-child{transform:translateX(8px)}
.mb[aria-expanded=true] .mb-i i:last-child{transform:translateX(-8px)}
.lsw{order:2;margin-left:auto;display:flex;gap:6px}
.lsw a{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--ink);color:var(--ink);font:700 13px/1 var(--fb);letter-spacing:.06em;text-decoration:none;background:radial-gradient(circle at 35% 30%,#fff,var(--lens) 75%)}
.lsw a[aria-current]{background:var(--ink);color:var(--paper)}
.lsw a:hover{border-color:var(--green);color:var(--green)}
.lsw a[aria-current]:hover{color:var(--paper)}
.nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:6px var(--gut) 18px;box-shadow:0 24px 40px -28px rgba(22,24,27,.5)}
.hd.nav-open .nav{display:block}
.nav ul{list-style:none;margin:0;padding:0}
.nav a{display:flex;align-items:center;gap:12px;min-height:54px;border-bottom:1px solid var(--rule);color:var(--ink);font:600 18px/1.2 var(--fb);text-decoration:none}
.nav a::before{content:"";width:12px;height:12px;border-radius:50%;border:1.5px solid currentColor;flex:none}
.nav a[aria-current]::before{background:var(--green);border-color:var(--green)}
.nav a:hover{color:var(--green)}
@media (max-width:479px){.brand-s{display:none}.mb-t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.mb{padding:0 6px}.hd-in{gap:8px;--gut:16px}}
@media (min-width:980px){
 .mb{display:none}
 .nav{display:block;position:static;background:none;border:0;padding:0;box-shadow:none;margin-left:auto;order:1}
 .nav ul{display:flex;gap:2px}
 .nav a{min-height:44px;padding:0 13px;border:0;border-radius:999px;font-size:15px;gap:8px}
 .nav a::before{width:8px;height:8px;display:none}
 .nav a[aria-current]{background:var(--ink);color:var(--paper)}
 .nav a[aria-current]::before{display:block;background:var(--green-b);border-color:var(--green-b)}
 .nav a:hover{background:var(--paper-2)}
 .nav a[aria-current]:hover{background:var(--ink);color:var(--paper)}
 .lsw{margin-left:14px;padding-left:14px;border-left:1px solid var(--rule)}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;padding:0 24px;border-radius:999px;font:700 16px/1.2 var(--fb);text-decoration:none;text-align:center;transition:background .2s,color .2s,border-color .2s}
.btn-go{background:var(--ink);color:var(--paper);padding-right:10px}
.btn-go:hover{background:var(--green);color:#fff}
.arr{width:36px;height:36px;border-radius:50%;background:var(--honey);flex:none;position:relative;transition:transform .2s}
.arr::before{content:"";position:absolute;left:11px;top:50%;width:13px;height:2px;background:var(--ink);transform:translateY(-50%)}
.arr::after{content:"";position:absolute;left:16px;top:50%;width:8px;height:8px;border:solid var(--ink);border-width:2px 2px 0 0;transform:translateY(-50%) rotate(45deg)}
.btn-go:hover .arr{transform:translateX(3px)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--paper-2);color:var(--ink)}

/* ---------- home: exam (hero + eye chart) ---------- */
.exam{background:
 linear-gradient(90deg,transparent calc(100% - 1px),rgba(22,24,27,.04) 0) 0 0/80px 80px,var(--paper)}
.exam-in{max-width:var(--wrap);margin:0 auto;padding:44px var(--gut) 56px;display:grid;gap:40px}
.kicker{display:inline-flex;align-items:center;gap:10px;margin:0;padding:9px 16px;border:1px solid var(--rule);border-radius:999px;background:var(--sheet);font:600 13px/1.3 var(--fb);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(90deg,var(--red-b) 50%,var(--green-b) 50%);flex:none}
h1{font:400 clamp(40px,6.2vw,84px)/1.02 var(--fd);letter-spacing:-.012em;margin:22px 0 20px;color:var(--ink)}
h1 em{font-style:italic;color:var(--red)}
.lead p{font-size:19px;line-height:1.6;color:var(--ink-2);margin:0;max-width:62ch}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.rx{list-style:none;margin:32px 0 0;padding:0;border-top:2px solid var(--ink);max-width:560px}
.rx li{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--rule);font:500 16px/1.4 var(--fb)}
.rx-k{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink);flex:none;background:linear-gradient(135deg,transparent calc(50% - .75px),var(--red) 0 calc(50% + .75px),transparent 0)}
.rx li:nth-child(2) .rx-k{background:linear-gradient(45deg,transparent calc(50% - .75px),var(--green) 0 calc(50% + .75px),transparent 0)}
.rx li:nth-child(3) .rx-k{background:linear-gradient(90deg,transparent calc(50% - .75px),var(--havana) 0 calc(50% + .75px),transparent 0)}
.chart{margin:0;justify-self:center;width:100%;max-width:440px}
.chart-card{border:12px solid var(--graph);border-radius:16px;background:linear-gradient(180deg,#fff,#F5F6F2);padding:26px 22px 20px;box-shadow:0 0 0 1px #000 inset,0 40px 70px -45px rgba(22,24,27,.6),0 0 0 1px rgba(22,24,27,.2);position:relative}
.chart-card::before{content:"";position:absolute;top:-8px;left:50%;width:34px;height:4px;margin-left:-17px;border-radius:2px;background:var(--green-b);box-shadow:0 0 8px var(--green-b)}
.rows{list-style:none;margin:0;padding:0;display:grid;gap:clamp(8px,1.4vw,14px)}
.rows li{display:grid;grid-template-columns:20px 1fr 20px;align-items:center}
.rows em{font:500 12px/1 var(--fb);font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums}
.row{display:flex;justify-content:center;gap:.42em;font:800 var(--s,20px)/1 var(--fb);color:var(--ink);letter-spacing:0}
.r1{--s:clamp(64px,8vw,100px)}.r2{--s:clamp(46px,5.6vw,68px)}.r3{--s:clamp(34px,4vw,48px)}.r4{--s:clamp(25px,3vw,34px)}
.r5{--s:clamp(19px,2.2vw,25px);padding-bottom:12px;border-bottom:2px solid var(--red-b)}.r6{--s:clamp(15px,1.6vw,18px)}.r7{--s:12px}
.duo{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;border-radius:4px;overflow:hidden}
.duo span{padding:12px 4px;text-align:center;font:800 18px/1 var(--fb);letter-spacing:.2em;color:#111}
.duo span:first-child{background:var(--red-b)}.duo span:last-child{background:var(--green-b)}
@media (min-width:900px){
 .exam-in{grid-template-columns:minmax(0,1.4fr) minmax(320px,.85fr);align-items:center;gap:56px;padding-top:64px;padding-bottom:80px}
}
@media (prefers-reduced-motion:no-preference){
 .chart-card .rows{animation:focus 1.6s cubic-bezier(.2,.7,.2,1) .2s both}
 @keyframes focus{0%{filter:blur(3px)}55%{filter:blur(.6px)}75%{filter:blur(1.2px)}100%{filter:none}}
}

/* ---------- home: dark refraction room with the game ---------- */
.room{background:radial-gradient(70% 90% at 85% 0%,rgba(214,160,74,.10),transparent 60%),radial-gradient(50% 60% at 0% 100%,rgba(63,161,99,.08),transparent 70%),var(--graph);color:#E9E9E3;border-top:6px solid var(--felt)}
.room-in{max-width:var(--wrap);margin:0 auto;padding:44px var(--gut) 56px;display:grid;gap:26px}
.room-side{display:grid;grid-template-columns:112px 1fr;column-gap:18px;align-items:center}
.tabo{grid-row:1/4;width:112px;height:auto;fill:none;overflow:visible}
.tabo-arc{stroke:rgba(233,233,227,.5);stroke-width:1.5}
.tabo-t path{stroke:rgba(233,233,227,.45);stroke-width:1.2}
.tabo-t .mj{stroke:#E9E9E3;stroke-width:2}
.tabo-base{stroke:rgba(233,233,227,.3);stroke-width:1.2}
.needle{transform-origin:100px 100px;transform:rotate(var(--nd,-90deg));transition:transform .18s linear}
.needle path{stroke:var(--honey);stroke-width:3;stroke-linecap:round}
.needle circle{fill:var(--honey)}
.room.is-bust .needle path{stroke:#FF8A7A}.room.is-bust .needle circle{fill:#FF8A7A}
.room.is-ok .needle path{stroke:#8FD6A8}.room.is-ok .needle circle{fill:#8FD6A8}
.room h2{font:400 clamp(30px,4vw,46px)/1.05 var(--fd);margin:0 0 8px;color:#F6F5F0}
.room-s{margin:0 0 4px;font:500 16px/1.45 var(--fb);color:#BDC0BA;display:flex;align-items:center;gap:10px}
.b18{display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 6px;border-radius:50%;border:2px solid var(--red-b);font:800 13px/1 var(--fb);color:inherit;flex:none}
.room-18{margin-top:8px}
.scope{container-type:inline-size;min-width:0}
@media (min-width:1100px){
 .room-in{grid-template-columns:240px minmax(0,1fr);gap:44px;padding-top:64px;padding-bottom:72px}
 .room-side{display:block;padding-top:8px}
 .tabo{width:100%;margin-bottom:24px}
}

/* ---------- inner: page head with lensometer reticle ---------- */
.phead{position:relative;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--rule)}
.phead-in{max-width:var(--wrap);margin:0 auto;padding:22px var(--gut) 44px;position:relative;z-index:1}
.phead h1{font-size:clamp(38px,5.4vw,70px);max-width:20ch;margin-top:14px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;font:500 15px/1.3 var(--fb);color:var(--muted)}
.crumbs li{display:inline-flex;align-items:center;gap:10px}
.crumbs li+li::before{content:"";width:9px;height:9px;border-radius:50%;border:1.5px solid var(--muted)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink-2)}
.crumbs [aria-current]{color:var(--ink);font-weight:600}
.reticle{display:none}
@media (min-width:860px){
 .reticle{display:block;position:absolute;right:-140px;top:50%;width:460px;aspect-ratio:1;transform:translateY(-50%);border-radius:50%;
  background:repeating-radial-gradient(circle,transparent 0 28px,rgba(22,24,27,.12) 28px 29px),radial-gradient(circle,var(--lens) 0,rgba(220,230,231,.4) 55%,transparent 70%);opacity:.8}
 .reticle::before,.reticle::after,.reticle i::before,.reticle i::after{content:"";position:absolute;background:var(--red)}
 .reticle::before{left:8%;right:8%;top:50%;height:1.5px}
 .reticle::after{top:8%;bottom:8%;left:50%;width:1.5px;background:var(--green)}
 .reticle i{position:absolute;inset:0;transform:rotate(30deg)}
 .reticle i::before{left:22%;right:22%;top:50%;height:1px;background:var(--ink);opacity:.5}
 .phead-in{padding-right:min(380px,34vw);padding-top:26px;padding-bottom:60px}
}
@media (min-width:860px) and (prefers-reduced-motion:no-preference){.reticle i{animation:axis 18s linear infinite}@keyframes axis{to{transform:rotate(390deg)}}}

/* ---------- sheet: TOC rail + document ---------- */
.sheet{background:var(--paper)}
.sheet-in{max-width:var(--wrap);margin:0 auto;padding:40px var(--gut) 72px;display:grid;gap:32px}
.doc{min-width:0;max-width:760px}
.sheet-solo .doc{margin:0 auto;width:100%}
.toc{border:1.5px solid var(--ink);border-radius:14px;background:var(--sheet)}
.toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:54px;padding:0 14px 0 18px;cursor:pointer}
.toc summary::-webkit-details-marker{display:none}
.toc-h{font:700 14px/1.2 var(--fb);letter-spacing:.12em;text-transform:uppercase}
.toc ol{list-style:none;margin:0;padding:6px 14px 14px 30px;counter-reset:t;position:relative}
.toc ol::before{content:"";position:absolute;left:14px;top:6px;bottom:14px;width:8px;background:repeating-linear-gradient(180deg,var(--muted) 0 1px,transparent 1px 7px);opacity:.55;border-left:1.5px solid var(--ink)}
.toc li{counter-increment:t}
.toc a{display:grid;grid-template-columns:30px 1fr;align-items:center;min-height:44px;padding:6px 0 6px 6px;color:var(--ink-2);text-decoration:none;font:500 15.5px/1.35 var(--fb);border-radius:8px;position:relative}
.toc a::before{content:counter(t,decimal-leading-zero);font:600 12px/1 var(--fb);font-variant-numeric:tabular-nums;color:var(--muted)}
.toc a:hover{color:var(--green)}
.toc a.on{color:var(--ink);font-weight:700}
.toc a.on::before{color:var(--red)}
.toc a.on::after{content:"";position:absolute;left:-19px;top:50%;width:10px;height:10px;margin-top:-5px;border-radius:50%;background:var(--red-b);box-shadow:0 0 0 3px var(--sheet)}
.dpt{width:30px;height:30px;border-radius:50%;border:1.5px solid var(--ink);position:relative;flex:none;background:var(--sheet)}
.dpt::before,.dpt::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;background:var(--green);transition:transform .2s}
.dpt::after{transform:rotate(90deg)}
details[open]>summary .dpt::before{background:var(--red)}
details[open]>summary .dpt::after{transform:rotate(0);opacity:0}
@media (min-width:980px){
 .sheet-in{grid-template-columns:250px minmax(0,1fr);gap:64px;padding-top:56px}
 .sheet-solo .sheet-in{grid-template-columns:minmax(0,1fr)}
 .rail{position:sticky;top:calc(var(--hh) + 20px);align-self:start;max-height:calc(100vh - var(--hh) - 40px);overflow:auto}
 .toc{border:0;background:none;border-radius:0;border-top:2px solid var(--ink)}
 .toc summary{padding:0;min-height:48px}
 .toc ol{padding:4px 0 0 30px}
 .toc ol::before{left:0;top:4px;bottom:0}
 .toc a.on::after{box-shadow:0 0 0 3px var(--paper)}
}

/* sections */
.sec{margin:0 0 48px}
.sec-plain{margin-bottom:36px}
.sec-h{display:grid;grid-template-columns:54px minmax(0,1fr);gap:16px;align-items:start;padding-top:22px;border-top:1px solid var(--ink);margin-bottom:18px}
.lens{width:54px;height:54px;border-radius:50%;border:2px solid var(--ink);position:relative;overflow:hidden;background:radial-gradient(circle at 34% 28%,#fff 0,var(--lens) 55%,var(--glass) 100%)}
.lens i{position:absolute;left:50%;top:50%;width:100%;height:1.5px;background:var(--red);transform:translate(-50%,-50%) rotate(calc(-1 * var(--ax,0deg)))}
.lens b{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font:700 13px/1 var(--fb);font-variant-numeric:tabular-nums;background:var(--sheet);padding:3px 4px;border-radius:4px;color:var(--ink)}
.sec h2{font:400 clamp(29px,3.4vw,42px)/1.08 var(--fd);letter-spacing:-.005em;margin:6px 0 0;color:var(--ink)}
.prose{font-size:17px;line-height:1.72;color:var(--ink)}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.05em}
.prose strong{font-weight:700}
.prose h3{font:700 20px/1.3 var(--fb);margin:1.6em 0 .5em}
.prose ul{list-style:none;padding:0;margin:0 0 1.2em}
.prose ul>li{position:relative;padding-left:30px;margin:0 0 .6em}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.52em;width:13px;height:13px;border-radius:50%;border:1.5px solid var(--ink);background:linear-gradient(135deg,transparent calc(50% - .6px),var(--red) 0 calc(50% + .6px),transparent 0)}
.prose ol{list-style:none;padding:0;margin:0 0 1.2em;counter-reset:o}
.prose ol>li{counter-increment:o;position:relative;padding-left:44px;margin:0 0 .8em}
.prose ol>li::before{content:counter(o);position:absolute;left:0;top:-.05em;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--ink);display:grid;place-items:center;font:400 19px/1 var(--fd);font-style:italic;background:var(--sheet)}
.prose blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:3px solid var(--green);color:var(--ink-2)}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--rule);border-radius:10px;background:var(--sheet)}
.prose table{border-collapse:collapse;width:100%;min-width:480px;font-size:16px}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.prose th{background:var(--paper-2);font-weight:700}
.prose tr:last-child td{border-bottom:0}

/* FAQ */
.qa details{border-bottom:1px solid var(--rule)}
.qa details:first-child{border-top:1px solid var(--rule)}
.qa summary{list-style:none;display:grid;grid-template-columns:minmax(0,1fr) 30px;gap:16px;align-items:center;min-height:56px;padding:14px 0;cursor:pointer;font:600 18px/1.4 var(--fb)}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover .q{color:var(--green)}
.qa .a{padding:0 46px 12px 0}

/* prescription slip CTA */
.slip{margin:56px 0 0;background:repeating-linear-gradient(180deg,transparent 0 33px,rgba(22,24,27,.07) 33px 34px),var(--sheet);border:1px solid var(--rule);border-radius:4px 4px 12px 12px;padding:0 24px 26px;position:relative;box-shadow:0 30px 50px -40px rgba(22,24,27,.55)}
.slip::before{content:"";position:absolute;left:0;right:0;top:-6px;height:12px;background:radial-gradient(circle at 6px 6px,var(--paper) 3.5px,transparent 4px) 0 0/14px 12px repeat-x}
.slip-top{display:flex;align-items:center;justify-content:space-between;padding:22px 0 14px;border-bottom:2px solid var(--ink);margin-bottom:18px;color:var(--ink)}
.slip-top .spx{width:62px;height:26px}
.slip-od{display:flex;gap:6px}
.slip-od i{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink)}
.slip-od i:first-child{background:rgba(224,71,59,.3)}.slip-od i:last-child{background:rgba(63,161,99,.3)}
.slip-t{font:400 clamp(28px,3.4vw,36px)/1.1 var(--fd);margin:0 0 10px}
.slip-p{margin:0 0 22px;font-size:17px;line-height:1.6;color:var(--ink-2)}

/* ---------- related: frame tray ---------- */
.tray{background:var(--paper-2);border-top:1px solid var(--rule)}
.tray-in{max-width:var(--wrap);margin:0 auto;padding:52px var(--gut) 64px}
.tray h2{font:400 clamp(30px,4vw,46px)/1.05 var(--fd);margin:0 0 26px}
.tray-g{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr))}
.tray-i a{display:grid;align-content:start;gap:10px;height:100%;padding:22px 20px 22px;background:var(--sheet);border:1px solid var(--rule);border-radius:16px;color:var(--ink);text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.tray-i .spx{width:76px;height:31px;margin-bottom:6px;stroke-width:2}
.tray-i .spx .spx-l{fill:var(--tint,rgba(155,161,166,.5))}
.tray-i[data-tint="2"]{--tint:rgba(138,90,51,.55)}.tray-i[data-tint="3"]{--tint:rgba(79,107,74,.6)}.tray-i[data-tint="4"]{--tint:rgba(201,142,142,.55)}.tray-i[data-tint="5"]{--tint:rgba(95,135,168,.55)}.tray-i[data-tint="6"]{--tint:rgba(214,160,74,.6)}
.tray-i strong{font:700 19px/1.3 var(--fb)}
.tray-d{font-size:16px;line-height:1.5;color:var(--muted)}
.tray-i a:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 18px 30px -24px rgba(22,24,27,.6);color:var(--ink)}

/* ---------- footer: glasses case ---------- */
.ft{background:var(--graph);color:#D6D8D2}
.ft-hinge{height:16px;background:linear-gradient(180deg,#285C49,var(--felt));position:relative}
.ft-hinge i{position:absolute;left:50%;top:0;width:120px;height:9px;margin-left:-60px;border-radius:0 0 8px 8px;background:linear-gradient(90deg,#7c7f80,#d9dad6 50%,#7c7f80)}
.ft-in{max-width:var(--wrap);margin:0 auto;padding:44px var(--gut) 26px;display:grid;gap:32px}
.ft .brand{color:#F4F3EE}
.ft-a p{margin:16px 0 0;font-size:16px;line-height:1.6;color:#B9BCB6;max-width:52ch}
.ft-n h2{font:700 13px/1.2 var(--fb);letter-spacing:.14em;text-transform:uppercase;color:#9EA29C;margin:0 0 8px}
.ft-n ul{list-style:none;margin:0;padding:0}
.ft-n a{display:flex;align-items:center;min-height:44px;color:#ECEDE7;text-decoration:none;font-size:16px}
.ft-n a:hover{color:var(--honey);text-decoration:underline}
.ft-b{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:15px;color:#B9BCB6}
.ft-b .b18{color:#F4F3EE}
.ft-top{margin-left:auto;display:inline-flex;align-items:center;min-height:44px;color:#ECEDE7}
.ft-top:hover{color:var(--honey)}
@media (min-width:820px){.ft-in{grid-template-columns:1.5fr 1fr 1fr;gap:40px}.ft-b{grid-column:1/-1}}

/* ---------- 404 ---------- */
.nf{position:relative;overflow:hidden;min-height:62vh;display:grid;place-items:center;padding:64px var(--gut);text-align:center}
.nf-in{position:relative;z-index:1;max-width:560px}
.nf-code{font:400 clamp(96px,20vw,180px)/.9 var(--fd);margin:0;color:var(--ink)}
.nf h1{font-size:clamp(34px,5vw,54px)}
.nf-in>p{font-size:18px;color:var(--ink-2);margin:0 0 26px}
.nf .reticle.nf-r{display:block;position:absolute;left:50%;top:40%;width:420px;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;z-index:-1;background:repeating-radial-gradient(circle,transparent 0 26px,rgba(22,24,27,.1) 26px 27px);right:auto}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.hd,.room,.tray,.ft,.rail{display:none}}
@media (max-width:899px){.chart{max-width:320px}.chart-card{padding:20px 16px 16px;border-width:10px}.r1{--s:58px}.r2{--s:42px}.r3{--s:31px}.r4{--s:23px}.r5{--s:18px}}
@media (max-width:599px){.tray-i a{grid-template-columns:64px minmax(0,1fr);column-gap:16px;row-gap:4px;padding:18px 16px}.tray-i .spx{grid-row:1/3;width:64px;height:26px;margin:2px 0 0}.tray-g{gap:10px}}