/* طراح من: Persian engineering assistant
   layout: one centred column for the hero; wide pinned stages for the scroll scenes; text aligns to the reading start side */
:root{
  --red:#D3112E;
  --red-deep:#9B0B22;
  --green:#169A48;
  --green-deep:#0B5B2D;
  --snow:#FAFCFA;
  --ink:#13201A;
  --ink-2:#4A5A51;
  --edge:rgba(255,255,255,.86);
  /* Persian and Arabic: a formal Naskh (book / official print) for headings and reading text; Vazirmatn stays
     for the controls (menu, buttons, the question box) */
  --font-display:"Noto Naskh Arabic","Vazirmatn",serif;
  --font-read:"Noto Naskh Arabic","Vazirmatn",serif;
  --read-scale:1.12;
  --font-body:"Vazirmatn","Rubik","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --head-h:66px;
  --ease-out:cubic-bezier(.16,1,.3,1);
  color-scheme:light;
}
html[lang="en"],html[lang="ru"]{
  --font-display:"Rubik","Vazirmatn",system-ui,sans-serif;
  --font-body:"Rubik","Vazirmatn",system-ui,sans-serif;
  --font-read:var(--font-body);--read-scale:1;
}
html[lang="zh"]{
  --font-display:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Rubik",sans-serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Rubik",sans-serif;
  --font-read:var(--font-body);--read-scale:1;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
html.lock,html.lock body{overflow:hidden}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--snow);
  line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,canvas{max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- water background ---------- */
#water{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
.bg-fallback{
  position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(60vmax 50vmax at 85% 8%,rgba(211,17,46,.16),transparent 60%),
    radial-gradient(60vmax 50vmax at 10% 92%,rgba(22,154,72,.16),transparent 60%),
    var(--snow);
}

/* ---------- glass ---------- */
.glass{
  position:relative;isolation:isolate;
  background:linear-gradient(140deg,rgba(255,255,255,.66),rgba(255,255,255,.32));
  border:1px solid var(--edge);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    inset 0 -1px 0 rgba(255,255,255,.3),
    0 22px 50px -24px rgba(12,48,28,.32),
    0 2px 10px -4px rgba(12,48,28,.1);
  -webkit-backdrop-filter:blur(16px) saturate(170%);
  backdrop-filter:blur(16px) saturate(170%);
}
.glass::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.75),rgba(255,255,255,0) 70%);
  opacity:var(--glow,0);transition:opacity .45s;
}

/* ---------- header: no coloured bar - it floats over the page and turns to frosted glass once you scroll ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--head-h);color:var(--ink);
  background:transparent;border-bottom:1px solid transparent;
  transition:height .4s var(--ease-out),background .35s,border-color .35s,box-shadow .35s;
}
.site-head.compact{
  height:58px;background:rgba(250,252,250,.8);border-bottom-color:rgba(19,32,26,.07);
  -webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 12px 30px -24px rgba(12,48,28,.55);
}
.head-in{max-width:1240px;margin:0 auto;height:100%;display:flex;align-items:center;gap:20px;padding-inline:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none;min-width:0}
.brand .mark{width:34px;height:34px;transition:transform .8s var(--ease-out)}
.brand:hover .mark{transform:rotate(90deg)}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.3rem;line-height:1;white-space:nowrap;color:var(--green-deep)}
.mark .mk-star{fill:#fff}
.mark .mk-ring{fill:var(--green)}
.mark .mk-dot{fill:#fff}
.site-head .mark .mk-star{fill:var(--red)}
.nav{flex:1;display:flex;justify-content:center;gap:4px}
.nav a{
  text-decoration:none;color:var(--ink-2);padding:7px 14px;border-radius:999px;font-size:.95rem;
  transition:background .25s,color .25s;white-space:nowrap;
}
.nav a:hover{background:rgba(22,154,72,.08);color:var(--green-deep)}
.nav a.nav-chat{background:rgba(22,154,72,.1);color:var(--green-deep);box-shadow:inset 0 0 0 1px rgba(22,154,72,.28)}
.head-tools{display:flex;align-items:center;gap:10px;flex:none}
.lang{position:relative}
.lang-btn{
  display:flex;align-items:center;gap:6px;height:38px;padding:0 12px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(19,32,26,.12);background:rgba(255,255,255,.62);color:var(--ink);font-size:.92rem;
}
.lang-btn .chev{width:16px;height:16px;transition:transform .3s}
.lang-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.lang-menu{
  position:absolute;top:calc(100% + 10px);inset-inline-end:0;min-width:170px;margin:0;padding:6px;list-style:none;
  border-radius:16px;display:grid;gap:2px;color:var(--ink);
  opacity:0;transform:translateY(-6px) scale(.98);pointer-events:none;transition:opacity .25s,transform .3s var(--ease-out);
  background:linear-gradient(140deg,rgba(255,255,255,.95),rgba(255,255,255,.82));
}
.lang-menu.open{opacity:1;transform:none;pointer-events:auto}
.lang-menu button{
  width:100%;text-align:start;padding:9px 12px;border:0;border-radius:10px;background:transparent;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;font-size:.95rem;
}
.lang-menu button:hover{background:rgba(22,154,72,.1)}
.lang-menu button[aria-selected="true"]{background:rgba(22,154,72,.14);color:var(--green-deep);font-weight:600}
.btn-login{
  height:38px;padding:0 16px;border-radius:999px;border:0;cursor:pointer;background:var(--green-deep);color:#fff;gap:6px;
  font-weight:700;font-size:.92rem;box-shadow:0 8px 18px -10px rgba(11,91,45,.7);transition:transform .2s,background .2s;
}
.btn-login .ic{width:17px;height:17px}
.btn-login:hover{transform:translateY(-1px);background:var(--green)}
.menu-btn{display:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(19,32,26,.12);background:rgba(255,255,255,.62);color:var(--ink);cursor:pointer;place-items:center}
.progress{position:absolute;left:0;right:0;bottom:-3px;height:3px;overflow:hidden;pointer-events:none}
.progress i{
  display:block;height:100%;width:100%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--green) 0 33.3%,#fff 33.3% 66.6%,var(--red) 66.6% 100%);
  box-shadow:0 0 0 .5px rgba(0,0,0,.08);
}
[dir="rtl"] .progress i{transform-origin:right center}
[dir="ltr"] .progress i{transform-origin:left center}

/* ---------- shared bits ---------- */
.home{position:relative;z-index:1}
section{position:relative}
.sec-head{max-width:1100px;margin:0 auto;padding:0 20px}
.sec-head h2{
  font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.35;
  margin:0 0 12px;text-wrap:balance;color:var(--ink);
}
.sec-head p{max-width:60ch;margin:0;color:var(--ink-2);font-size:1.08rem}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 22px;border-radius:999px;text-decoration:none;
  font-size:.98rem;color:var(--ink);transition:transform .3s var(--ease-out);
}
.pill:hover{transform:translateY(-2px)}
.pill .ic{color:var(--green-deep)}

/* ---------- hero ---------- */
.hero{padding:calc(var(--head-h) + 9vh) 20px 90px;min-height:92vh;display:flex;flex-direction:column;align-items:center}
.hero-inner{width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;will-change:transform}
.announce{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;text-decoration:none;
  font-size:.92rem;color:var(--ink-2);max-width:100%;
}
.announce .ic{width:16px;height:16px;color:var(--red)}
.hero-title{
  margin:26px 0 8px;font-family:var(--font-display);font-weight:800;color:var(--green-deep);
  font-size:clamp(3.4rem,10vw,7.6rem);line-height:1.25;text-wrap:balance;
}
.hero-title .w{display:inline-block;overflow:hidden;vertical-align:top;padding-block:.08em}
.hero-title .wi{display:inline-block}
.hero-sub{max-width:640px;margin:0;color:var(--ink-2);font-size:clamp(1.02rem,1.6vw,1.17rem);text-wrap:pretty}
.hero-links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:34px}
.scroll-cue{margin-top:auto;padding-top:40px;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--ink-2);font-size:.82rem}
.mouse{width:24px;height:38px;border-radius:14px;border:2px solid rgba(19,32,26,.35);display:flex;justify-content:center;padding-top:6px}
.mouse i{width:4px;height:8px;border-radius:2px;background:var(--red);animation:wheel 1.8s infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(10px);opacity:0}100%{opacity:0}}

/* ---------- composer ---------- */
.composer{width:min(880px,100%);margin-top:36px;padding:14px 14px 12px;border-radius:28px;text-align:start;transition:box-shadow .35s}
.composer:focus-within{
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    0 0 0 4px rgba(22,154,72,.12),
    0 26px 60px -26px rgba(12,48,28,.4);
}
.composer textarea{
  display:block;width:100%;resize:none;border:0;outline:0;background:transparent;color:var(--ink);
  font:inherit;font-size:1.06rem;line-height:1.75;min-height:66px;max-height:220px;padding:6px 10px;
}
.composer textarea::placeholder{color:rgba(74,90,81,.72)}
.c-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.c-space{flex:1}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(19,32,26,.1);background:rgba(255,255,255,.6);color:var(--ink-2);font-size:.9rem;
  transition:background .25s,border-color .25s,color .25s,transform .2s;
}
.chip .ic{width:17px;height:17px}
.chip:hover{border-color:rgba(22,154,72,.4)}
.chip[aria-pressed="true"]{background:rgba(22,154,72,.14);border-color:rgba(22,154,72,.55);color:var(--green-deep)}
.chip[data-toggle="web"][aria-pressed="true"]{background:rgba(211,17,46,.1);border-color:rgba(211,17,46,.45);color:var(--red-deep)}
.attach{width:40px;height:40px;border-radius:50%;border:0;background:transparent;display:grid;place-items:center;color:var(--ink-2);cursor:pointer;transition:background .2s}
.attach:hover{background:rgba(19,32,26,.06)}
.attach input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.send{
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;color:#fff;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%,#ff5a70,var(--red) 55%,var(--red-deep));
  box-shadow:0 10px 22px -8px rgba(211,17,46,.7),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .25s var(--ease-out),filter .25s;
}
.send:hover:not(:disabled){transform:translateY(-2px) scale(1.04)}
.send:disabled{filter:grayscale(.75) opacity(.5);cursor:default;box-shadow:none}
.c-files{display:flex;flex-wrap:wrap;gap:6px;padding:0 6px}
.c-files:empty{display:none}
.fchip{
  display:inline-flex;align-items:center;gap:6px;max-width:240px;height:32px;padding:0 6px 0 12px;border-radius:10px;
  background:rgba(255,255,255,.75);border:1px solid rgba(19,32,26,.08);font-size:.84rem;
}
.fchip span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.fchip button{border:0;background:transparent;cursor:pointer;width:22px;height:22px;border-radius:6px;color:var(--ink-2)}
.fchip button:hover{background:rgba(211,17,46,.1);color:var(--red)}

/* ---------- features ---------- */
.features{padding:120px 0 0}
.hwrap{overflow-x:auto;padding:56px 0 110px;scrollbar-width:none}
.hwrap::-webkit-scrollbar{display:none}
html.js-h .hwrap{overflow:hidden}
.htrack{display:flex;gap:28px;width:max-content;padding-inline:max(20px,calc((100vw - 1100px)/2));perspective:1400px}
.panel{
  width:min(430px,82vw);min-height:470px;padding:26px;border-radius:30px;display:flex;flex-direction:column;gap:12px;
}
.panel.tint-red{background:linear-gradient(150deg,rgba(255,255,255,.72),rgba(255,226,230,.42))}
.panel.tint-green{background:linear-gradient(150deg,rgba(255,255,255,.72),rgba(214,244,224,.45))}
html.js-h .features{padding-top:90px}
html.js-h .hwrap{padding:36px 0 40px}
html.js-h .panel{min-height:0}
html.js-h .ill{max-height:30vh}
.ill{
  width:100%;height:auto;aspect-ratio:240/140;border-radius:20px;
  background:linear-gradient(160deg,rgba(255,255,255,.75),rgba(255,255,255,.35));
  border:1px solid rgba(255,255,255,.95);color:var(--ink);
}
.ill .dr{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1 0}
.ill .thick{stroke-width:3}
.ill .acc{stroke:var(--red)}
.ill .acc2{stroke:var(--green)}
.ill .faint{stroke:rgba(19,32,26,.3);stroke-width:1.4}
.ill .dash{stroke-dasharray:.012 .012}
.panel h3{font-family:var(--font-display);font-weight:700;font-size:1.55rem;line-height:1.45;margin:8px 0 0}
.panel p{margin:0;color:var(--ink-2)}
.tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:.82rem;padding:4px 12px;border-radius:999px;background:rgba(19,32,26,.06);color:var(--ink-2)}
.panel.tint-red .tags span{background:rgba(211,17,46,.09);color:var(--red-deep)}
.panel.tint-green .tags span{background:rgba(22,154,72,.12);color:var(--green-deep)}

/* ---------- statement ---------- */
.statement{padding:110px 20px 130px}
.statement p{
  max-width:1020px;margin:0 auto;font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.6rem,3.5vw,2.9rem);line-height:1.75;text-wrap:balance;color:var(--ink);
}
.statement .wd{display:inline-block;white-space:pre}

/* ---------- process ---------- */
.process{padding:60px 0 130px}
.proc-grid{max-width:1100px;margin:56px auto 0;padding:0 20px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:56px;align-items:start}
.proc-gear{position:sticky;top:calc(var(--head-h) + 40px);display:grid;place-items:center}
#gears{width:min(100%,360px);height:auto;overflow:visible}
#gears .g-big{fill:rgba(211,17,46,.1);stroke:var(--red);stroke-width:2.4}
#gears .g-small{fill:rgba(22,154,72,.12);stroke:var(--green);stroke-width:2.4}
#gears .hub{fill:rgba(255,255,255,.9);stroke:currentColor;stroke-width:2}
#gears .hole{fill:rgba(250,252,250,.9);stroke:rgba(19,32,26,.25);stroke-width:1.2}
#gears .key{fill:none;stroke:rgba(19,32,26,.45);stroke-width:2}
.steps{list-style:none;margin:0;padding:0;position:relative;display:grid;gap:26px}
.steps-track{position:absolute;inset-inline-start:28px;top:10px;bottom:10px;width:3px;margin-inline-start:-1.5px;border-radius:3px;background:rgba(19,32,26,.08);overflow:hidden}
.steps-fill{display:block;width:100%;height:100%;background:linear-gradient(180deg,var(--green),var(--green-deep) 60%,var(--red));transform-origin:top center}
.step{position:relative;padding-inline-start:82px;min-height:96px}
.step .num{
  position:absolute;inset-inline-start:0;top:6px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:1.35rem;color:var(--ink-2);
  background:rgba(255,255,255,.82);border:1px solid #fff;box-shadow:0 8px 20px -10px rgba(12,48,28,.35);
  transition:background .5s,color .5s,box-shadow .5s,transform .5s var(--ease-out);
}
.step.on .num{background:var(--green);color:#fff;box-shadow:0 0 0 8px rgba(22,154,72,.14);transform:scale(1.06)}
.step:nth-child(4).on .num{background:var(--red);box-shadow:0 0 0 8px rgba(211,17,46,.14)}
.step:last-child.on .num{background:var(--green-deep)}
.step-card{padding:18px 22px;border-radius:22px}
.step-card h3{margin:0 0 4px;font-family:var(--font-display);font-weight:700;font-size:1.3rem;line-height:1.5}
.step-card p{margin:0;color:var(--ink-2)}

/* ---------- band ---------- */
.band{
  direction:ltr;padding:64px 0;background:linear-gradient(180deg,var(--red),var(--red-deep));color:#fff;overflow:hidden;
  clip-path:polygon(0 6%,100% 0,100% 94%,0 100%);margin:20px 0;
}
.mrow{display:flex;width:max-content;white-space:nowrap;font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.4rem,6.5vw,5.6rem);line-height:1.5;will-change:transform}
.mrow .mi{display:inline-flex;align-items:center;gap:.5em;padding-inline:.25em}
.mrow .mi span{unicode-bidi:isolate}
.mrow .mi svg{width:.42em;height:.42em;flex:none}
.mrow .mi svg .mk-star{fill:#fff}
.mrow .mi svg .mk-ring{fill:var(--green)}
.mrow .mi svg .mk-dot{fill:#fff}
.mrow.outline{color:transparent;-webkit-text-stroke:1.4px rgba(255,255,255,.8);margin-top:-.15em}
.mrow.outline .mi svg .mk-star{fill:none;stroke:rgba(255,255,255,.8);stroke-width:1}
.mrow.outline .mi svg .mk-ring{fill:rgba(255,255,255,.25)}

/* ---------- zoom ---------- */
.zoom-stage{position:relative;height:100vh;height:100svh;overflow:hidden;display:grid;place-items:center}
.zoom-title{
  position:relative;z-index:1;margin:0;padding:0 20px;text-align:center;font-family:var(--font-display);font-weight:800;
  font-size:clamp(3rem,11vw,9.5rem);line-height:1.3;color:var(--green-deep);will-change:transform;text-wrap:balance;
}
.zoom-reveal{
  position:absolute;inset:0;z-index:2;color:#fff;
  background:
    radial-gradient(70% 60% at 30% 40%,rgba(255,255,255,.12),transparent 70%),
    radial-gradient(120% 120% at 50% 50%,#1BA855,var(--green-deep) 70%);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:center;gap:40px;
  padding:calc(var(--head-h) + 20px) max(24px,calc((100vw - 1100px)/2)) 40px;
}
.zoom-reveal::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 75%);
}
#shaft{width:100%;height:auto;aspect-ratio:4/3;position:relative;z-index:1}
.zoom-copy{position:relative;z-index:1}
.zoom-big{margin:0;font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,5vw,4.4rem);line-height:1.35;text-wrap:balance}
.zoom-sub{margin:14px 0 0;font-size:1.15rem;opacity:.88;max-width:34ch}

/* ---------- why ---------- */
.why{padding:140px 0 90px}
.why-grid{max-width:1100px;margin:56px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;perspective:1200px}
.card{perspective:900px}
.card-in{height:100%;padding:30px 26px;border-radius:26px;min-height:270px;transform-style:preserve-3d;transition:transform .35s var(--ease-out)}
.card-ic{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--acc-bg);color:var(--acc);transform:translateZ(30px)}
.card-ic .ic{width:26px;height:26px}
.card h3{margin:20px 0 6px;font-family:var(--font-display);font-weight:700;font-size:1.3rem;line-height:1.5;transform:translateZ(20px)}
.card p{margin:0;color:var(--ink-2)}

/* ---------- cta ---------- */
.cta{padding:50px 20px 130px}
.cta-box{max-width:980px;margin:0 auto;padding:60px clamp(20px,5vw,56px) 52px;border-radius:36px;text-align:center;overflow:hidden}
.cta-box::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--green) 0 33.3%,#fff 33.3% 66.6%,var(--red) 66.6% 100%);
}
.cta-box h2{margin:0 0 8px;font-family:var(--font-display);font-weight:800;font-size:clamp(2rem,5vw,3.4rem);line-height:1.4;color:var(--green-deep)}
.cta-box p{margin:0 auto;max-width:52ch;color:var(--ink-2);font-size:1.08rem}
.cta-bar{
  margin:30px auto 0;width:min(720px,100%);min-height:64px;display:flex;align-items:center;gap:12px;
  padding:8px 8px 8px 8px;padding-inline-start:22px;border-radius:999px;cursor:text;text-align:start;
  border:1px solid #fff;background:rgba(255,255,255,.78);color:rgba(74,90,81,.85);font-size:1rem;
  box-shadow:0 18px 40px -22px rgba(12,48,28,.45);
}
.cta-bar > span:first-child{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cta-go{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 20px;border-radius:999px;color:#fff;font-weight:700;flex:none;
  background:linear-gradient(135deg,var(--red),var(--red-deep));box-shadow:0 10px 22px -10px rgba(211,17,46,.8);cursor:pointer;
}

/* ---------- footer ---------- */
.foot{position:relative;z-index:1;background:linear-gradient(180deg,var(--green-deep),#073F1F);color:#fff;padding:40px 20px}
.foot-in{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:24px}
.foot-brand{display:flex;align-items:center;gap:14px;flex:1;min-width:260px}
.foot-brand .mark{width:42px;height:42px}
.foot-brand .mark .mk-ring{fill:var(--red)}
.foot-brand strong{font-family:var(--font-display);font-size:1.2rem}
.foot-brand p{margin:0;opacity:.78;font-size:.92rem}
.foot-links{display:flex;gap:6px;flex-wrap:wrap}
.foot-links button{border:0;background:transparent;color:rgba(255,255,255,.85);cursor:pointer;padding:6px 10px;border-radius:8px}
.foot-links button:hover{background:rgba(255,255,255,.1);color:#fff}
.foot-copy{opacity:.7;width:100%}

/* ================= chat view ================= */
.chat-view{
  position:fixed;left:0;right:0;bottom:0;top:var(--head-h);z-index:90;
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;padding:16px;
  visibility:hidden;clip-path:circle(0px at var(--cx,50%) var(--cy,50%));
  transition:clip-path .85s cubic-bezier(.75,0,.2,1),visibility 0s linear .85s;
}
.chat-view::before{
  content:"";position:absolute;inset:-2px;z-index:-1;opacity:1;transition:opacity .7s ease .2s;
  background:
    radial-gradient(55vmax 45vmax at 88% 5%,rgba(211,17,46,.18),transparent 60%),
    radial-gradient(55vmax 45vmax at 8% 95%,rgba(22,154,72,.18),transparent 60%),
    var(--snow);
}
body[data-view="chat"] .chat-view{
  visibility:visible;clip-path:circle(150vmax at var(--cx,50%) var(--cy,50%));
  transition:clip-path .9s cubic-bezier(.75,0,.2,1),visibility 0s;
}
body.chat-settled .chat-view::before{opacity:0}
body.chat-settled .home{visibility:hidden}
body[data-view="chat"] .site-head{height:var(--head-h)}
body[data-view="chat"] .progress{opacity:0}
body[data-view="chat"] .nav a.nav-chat{background:#fff;color:var(--red-deep)}
.chat-view.side-collapsed{grid-template-columns:0 minmax(0,1fr);gap:0}
.chat-view.side-collapsed .side{opacity:0;pointer-events:none;transform:scale(.96)}

.side{
  display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:26px;min-height:0;overflow:hidden;
  transition:opacity .35s,transform .45s var(--ease-out);
}
.new-chat{
  height:48px;border-radius:16px;border:0;cursor:pointer;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--red),var(--red-deep));box-shadow:0 12px 24px -12px rgba(211,17,46,.8),inset 0 1px 0 rgba(255,255,255,.3);
  transition:transform .25s var(--ease-out);
}
.new-chat:hover{transform:translateY(-1px)}
.search{display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;border-radius:14px;background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.95);color:var(--ink-2)}
.search .ic{width:18px;height:18px}
.search input{border:0;outline:0;background:transparent;font:inherit;font-size:.92rem;flex:1;min-width:0;color:var(--ink)}
.convs{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:2px;margin-inline:-6px;padding-inline:6px;scrollbar-width:thin}
.conv-group{font-size:.78rem;color:var(--ink-2);margin:12px 10px 4px;opacity:.85}
.conv{
  position:relative;display:block;width:100%;text-align:start;padding:9px 14px;border-radius:12px;border:1px solid transparent;
  background:transparent;font-size:.92rem;color:var(--ink);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:background .2s;
}
.conv:hover{background:rgba(255,255,255,.55)}
.conv.active{background:rgba(255,255,255,.85);border-color:#fff;box-shadow:0 6px 16px -10px rgba(12,48,28,.35)}
.conv.active::before{content:"";position:absolute;inset-inline-start:4px;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--green)}
.side-foot{display:grid;gap:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.8)}
.usage-row{display:flex;justify-content:space-between;gap:8px;font-size:.82rem;color:var(--ink-2);margin-bottom:6px}
.meter{height:6px;border-radius:6px;background:rgba(19,32,26,.08);overflow:hidden}
.meter i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--red))}
[dir="rtl"] .meter i{margin-inline-start:0}
.me{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--red),var(--red-deep))}
.avatar .mark{width:24px;height:24px}
.me-name{flex:1;font-weight:600;font-size:.94rem}
.btn-up{height:32px;padding:0 14px;border-radius:999px;cursor:pointer;border:1px solid rgba(22,154,72,.45);background:rgba(22,154,72,.1);color:var(--green-deep);font-size:.85rem;font-weight:600}

.chat-main{
  position:relative;display:flex;flex-direction:column;min-height:0;min-width:0;border-radius:30px;overflow:hidden;
  border:1px solid rgba(255,255,255,.85);
  background:linear-gradient(160deg,rgba(255,255,255,.4),rgba(255,255,255,.12));
  -webkit-backdrop-filter:blur(5px) saturate(160%);backdrop-filter:blur(5px) saturate(160%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 30px 70px -40px rgba(12,48,28,.45);
}
.chat-top{display:flex;align-items:center;gap:12px;padding:12px 16px;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.25)}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.95);background:rgba(255,255,255,.55);color:var(--ink-2);cursor:pointer;display:grid;place-items:center}
.modes{position:relative;display:flex;padding:4px;border-radius:999px;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.95);box-shadow:inset 0 1px 3px rgba(12,48,28,.08)}
.modes button{
  position:relative;z-index:1;height:36px;padding:0 16px;border:0;background:transparent;font-size:.92rem;color:var(--ink-2);
  cursor:pointer;border-radius:999px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:color .35s;
}
.modes button .lock{width:15px;height:15px}
.modes button[aria-selected="true"]{color:#fff}
.mode-pill{
  position:absolute;top:4px;bottom:4px;left:4px;width:0;border-radius:999px;
  background:linear-gradient(135deg,#1DB056,var(--green-deep));box-shadow:0 8px 18px -8px rgba(11,91,45,.8),inset 0 1px 0 rgba(255,255,255,.35);
  transition:left .5s cubic-bezier(.5,1.5,.4,1),width .5s cubic-bezier(.5,1.5,.4,1),background .4s;
}
.modes[data-mode="factory"] .mode-pill{background:linear-gradient(135deg,#F0334C,var(--red-deep));box-shadow:0 8px 18px -8px rgba(155,11,34,.8),inset 0 1px 0 rgba(255,255,255,.35)}
.engine{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:var(--ink-2);margin-inline-start:auto;opacity:0;transform:translateY(-4px);transition:opacity .3s,transform .3s}
.engine.show{opacity:1;transform:none}
.engine i{width:9px;height:9px;border-radius:50%;background:#E0A100;box-shadow:0 0 0 4px rgba(224,161,0,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(224,161,0,.05)}}
.ghost-btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:999px;border:1px solid rgba(255,255,255,.95);background:rgba(255,255,255,.55);color:var(--ink-2);cursor:pointer;font-size:.9rem}
.ghost-btn .ic{width:17px;height:17px}
.engine:not(.show) + .ghost-btn{margin-inline-start:auto}
.preview-note{margin:10px 16px 0;padding:7px 14px;border-radius:12px;background:rgba(224,161,0,.1);border:1px solid rgba(224,161,0,.28);font-size:.82rem;color:#6E5100;text-align:center}

.thread{flex:1;min-height:0;overflow-y:auto;padding:26px clamp(14px,4vw,48px) 10px;display:flex;flex-direction:column;gap:22px;overscroll-behavior:contain}
.composer-wrap{padding:8px clamp(12px,3vw,40px) 12px}
.chat-main .composer{margin:0 auto;width:min(880px,100%)}
.chat-main .composer textarea{min-height:52px}
.legal{text-align:center;font-size:.76rem;color:var(--ink-2);margin:8px 0 0;opacity:.85}
.sugs{display:none;flex-wrap:wrap;justify-content:center;gap:10px;margin:18px auto 4px;max-width:880px}
.chat-main.is-empty .sugs{display:flex}
.chat-main.is-empty .thread{flex:0 0 auto;margin-top:auto;overflow:visible;padding-bottom:0}
.chat-main.is-empty .composer-wrap{margin-bottom:auto}
.sug{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;cursor:pointer;font-size:.9rem;
  border:1px solid rgba(255,255,255,.95);background:rgba(255,255,255,.55);color:var(--ink);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:transform .25s var(--ease-out),background .25s;
}
.sug:hover{transform:translateY(-2px);background:rgba(255,255,255,.8)}
.sug .ic{width:16px;height:16px;color:var(--red)}
.empty{text-align:center;max-width:760px;margin:0 auto;padding:10px}
.empty .mark-big{width:64px;height:64px;margin:0 auto 10px;display:block;animation:spin 18s linear infinite}
.empty .mark-big .mk-star{fill:var(--red)}
.empty .mark-big .mk-ring{fill:#fff}
.empty .mark-big .mk-dot{fill:var(--green)}
@keyframes spin{to{transform:rotate(360deg)}}
.empty h2{margin:0;font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,3.8vw,2.7rem);line-height:1.45;color:var(--green-deep);text-wrap:balance}
.empty p{margin:6px 0 0;color:var(--ink-2)}

.msg{max-width:860px;width:100%;margin-inline:auto;display:flex;gap:12px;align-items:flex-start}
.msg.user{justify-content:flex-end}
.bubble{
  max-width:min(80%,640px);padding:12px 18px;border-radius:22px;border-end-end-radius:6px;white-space:pre-wrap;overflow-wrap:anywhere;
  background:linear-gradient(135deg,rgba(214,244,224,.85),rgba(255,255,255,.7));border:1px solid #fff;
  box-shadow:0 10px 24px -16px rgba(12,48,28,.45);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.bubble .c-files{padding:0;margin-top:8px}
.bot-av{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--red),var(--red-deep));box-shadow:0 8px 18px -8px rgba(155,11,34,.8)}
.bot-av .mark{width:24px;height:24px}
.bot-col{flex:1;min-width:0}
.bot-body{
  padding:18px 22px;border-radius:24px;border-start-start-radius:6px;overflow-wrap:anywhere;
  background:linear-gradient(150deg,rgba(255,255,255,.82),rgba(255,255,255,.6));border:1px solid #fff;
  box-shadow:0 14px 34px -22px rgba(12,48,28,.5);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.bot-body > :first-child{margin-top:0}
.bot-body > :last-child{margin-bottom:0}
.bot-body p{margin:0 0 12px}
.bot-body h4{margin:18px 0 8px;font-family:var(--font-display);font-weight:700;font-size:1.06rem;color:var(--green-deep)}
.formula{direction:ltr;overflow-x:auto;padding:14px 16px;margin:0 0 12px;border-radius:16px;background:rgba(255,255,255,.75);border:1px solid rgba(19,32,26,.06);text-align:center}
.formula math{font-size:1.18em}
.tbl{overflow-x:auto;margin:0 0 14px;border-radius:14px;border:1px solid rgba(19,32,26,.08);background:rgba(255,255,255,.6)}
.tbl table{border-collapse:collapse;width:100%;font-size:.9rem}
.tbl th,.tbl td{padding:9px 12px;text-align:start;border-bottom:1px solid rgba(19,32,26,.07);vertical-align:top}
.tbl th{background:rgba(22,154,72,.08);color:var(--green-deep);font-weight:600}
.tbl tr:last-child td{border-bottom:0}
.tbl td:nth-child(2){font-variant-numeric:tabular-nums;white-space:nowrap}
.dia{margin:4px 0 14px;padding:12px;border-radius:16px;background:rgba(255,255,255,.65);border:1px solid rgba(19,32,26,.06)}
.dia svg{display:block;width:100%;height:auto}
.dia figcaption{font-size:.8rem;color:var(--ink-2);text-align:center;margin-top:4px}
.part-card{
  display:grid;gap:12px;padding:16px;margin:0 0 12px;border-radius:20px;
  background:linear-gradient(135deg,rgba(255,232,235,.75),rgba(225,247,233,.75));border:1px solid #fff;
}
.pc-head{display:flex;gap:12px;align-items:center}
.pc-ic{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#fff;color:var(--red);flex:none}
.pc-ic .ic{width:28px;height:28px}
.pc-label{font-size:.8rem;color:var(--ink-2)}
.pc-name{font-weight:700}
.pc-meta{font-size:.84rem;color:var(--ink-2)}
.pc-files{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.84rem;color:var(--ink-2)}
.fpill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:8px;background:rgba(255,255,255,.85);border:1px solid rgba(19,32,26,.08);color:var(--ink);font-size:.8rem}
.btn-build{
  justify-self:start;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:14px;border:0;cursor:pointer;
  color:#fff;font-weight:700;background:linear-gradient(135deg,#1DB056,var(--green-deep));box-shadow:0 10px 22px -10px rgba(11,91,45,.9);
  transition:transform .25s var(--ease-out);
}
.btn-build:hover{transform:translateY(-2px)}
.sample-note{font-size:.8rem;color:#6E5100;background:rgba(224,161,0,.1);border-radius:10px;padding:6px 10px}
.bot-act{display:flex;gap:4px;margin-top:6px;padding-inline-start:8px}
.bot-act button{width:32px;height:32px;border-radius:10px;border:0;background:transparent;color:var(--ink-2);cursor:pointer;display:grid;place-items:center}
.bot-act button:hover{background:rgba(255,255,255,.7)}
.bot-act .ic{width:17px;height:17px}
.typing{display:inline-flex;align-items:center;gap:7px;padding:4px 2px}
.typing i{width:10px;height:10px;border-radius:50%;animation:bob 1.1s infinite ease-in-out}
.typing i:nth-child(1){background:var(--green)}
.typing i:nth-child(2){background:#fff;border:1.5px solid rgba(19,32,26,.25);animation-delay:.15s}
.typing i:nth-child(3){background:var(--red);animation-delay:.3s}
.typing small{color:var(--ink-2);margin-inline-start:6px}
@keyframes bob{0%,80%,100%{transform:translateY(0);opacity:.6}40%{transform:translateY(-7px);opacity:1}}
.caret{display:inline-block;width:2px;height:1.1em;background:var(--red);vertical-align:-.2em;margin-inline-start:2px;animation:blink .9s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.msg-in{animation:msgIn .55s var(--ease-out) both}
@keyframes msgIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.side-scrim{display:none}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:26px;z-index:200;max-width:min(560px,calc(100vw - 32px));padding:12px 20px;border-radius:16px;
  font-size:.92rem;text-align:center;transform:translate(-50%,30px);opacity:0;pointer-events:none;
  transition:opacity .3s,transform .45s var(--ease-out);background:linear-gradient(140deg,rgba(255,255,255,.92),rgba(255,255,255,.78));
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .nav{
    position:absolute;top:calc(100% + 8px);inset-inline:12px;flex-direction:column;gap:2px;padding:8px;border-radius:18px;
    background:linear-gradient(140deg,rgba(255,255,255,.95),rgba(255,255,255,.85));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    box-shadow:0 20px 40px -20px rgba(12,48,28,.5);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .25s,transform .3s var(--ease-out);
  }
  .nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav a{color:var(--ink);padding:11px 14px}
  .nav a:hover,.nav a.nav-chat{background:rgba(22,154,72,.1);color:var(--green-deep);box-shadow:none}
  .menu-btn{display:grid}
  .head-tools{margin-inline-start:auto}
  .proc-grid{grid-template-columns:1fr}
  .proc-gear{position:relative;top:0;max-width:240px;margin:0 auto}
  .why-grid{grid-template-columns:1fr}
  .zoom-reveal{grid-template-columns:1fr;align-content:center;gap:10px;text-align:center}
  .zoom-sub{margin-inline:auto}
  #shaft{max-height:42vh}
  .chat-view{grid-template-columns:minmax(0,1fr);padding:10px}
  .side{
    position:fixed;z-index:3;top:calc(var(--head-h) + 10px);bottom:10px;inset-inline-start:10px;width:min(320px,86vw);
    transform:translateX(calc(110% * var(--off,1)));transition:transform .45s var(--ease-out);
    background:linear-gradient(140deg,rgba(255,255,255,.9),rgba(255,255,255,.75));
  }
  [dir="rtl"] .side{--off:1}
  [dir="ltr"] .side{--off:-1}
  .chat-view.side-open .side{transform:none}
  .chat-view.side-open .side-scrim{display:block;position:fixed;inset:0;z-index:2;background:rgba(19,32,26,.18)}
  .chat-view.side-collapsed{grid-template-columns:minmax(0,1fr)}
  .chat-view.side-collapsed .side{opacity:1;pointer-events:auto;transform:translateX(calc(110% * var(--off,1)))}
}
@media (max-width:640px){
  :root{--head-h:60px}
  .brand-name{font-size:1.1rem}
  .head-in{gap:10px;padding-inline:14px}
  .head-tools{gap:8px}
  .lang-btn #langCur{display:none}
  .hero{padding-top:calc(var(--head-h) + 6vh)}
  .composer{border-radius:24px}
  .chip span{display:none}
  .chip{padding:0 11px}
  .panel{min-height:0}
  .modes button{padding:0 11px;font-size:.84rem}
  .ghost-btn span{display:none}
  .chat-top{gap:8px;padding:10px}
  .bubble{max-width:88%}
  .bot-av{display:none}
  .bot-body{padding:14px 16px}
  .cta-bar > span:first-child{display:none}
  .cta-bar{justify-content:center;padding-inline-start:8px}
}
@media (max-width:420px){
  .head-in{gap:8px;padding-inline:10px}
  .head-tools{gap:6px}
  .brand{gap:7px}
  .brand .mark{width:30px;height:30px}
  .brand-name{font-size:1.02rem}
  .lang-btn{padding:0 9px}
  .lang-btn .chev{display:none}
  a.btn-login{width:38px;padding:0;justify-content:center}
  .btn-login span{display:none}
  .menu-btn{width:38px;height:38px}
  .announce{font-size:.82rem;padding:6px 12px}
  .hero-links .pill{height:46px;padding:0 18px}
  .modes button{padding:0 9px;font-size:.8rem}
  .modes button .lock{display:none}
  .chat-top{flex-wrap:nowrap}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* the live site */
#chatView{display:none!important}
#heroComposer .attach,#heroComposer input[type=file]{display:none!important}
a.btn-login{text-decoration:none;display:inline-flex;align-items:center}
.foot-links a{border:0;background:transparent;color:rgba(255,255,255,.85);padding:6px 10px;border-radius:8px;text-decoration:none}
.foot-links a:hover{background:rgba(255,255,255,.1);color:#fff}
body.leaving .home{transition:opacity .4s ease,filter .4s ease,transform .4s ease;opacity:0;filter:blur(6px);transform:scale(.985)}

/* ---------- phones and tablets (html.lite, set in the page head): a light page ---------- */
html.lite #water{display:none}
html.lite .glass{-webkit-backdrop-filter:blur(10px) saturate(150%);backdrop-filter:blur(10px) saturate(150%)}
html.lite .hero{min-height:0;min-height:88svh;padding-top:calc(var(--head-h) + 5vh)}
html.lite .hwrap{overflow:visible;padding:30px 0 40px}
html.lite .htrack{flex-direction:column;width:auto;max-width:640px;margin:0 auto;padding-inline:16px;gap:16px;perspective:none}
html.lite .panel{width:auto;min-height:0;padding:20px}
html.lite .features{padding-top:70px}
html.lite .statement{padding:70px 18px 80px}
html.lite .process{padding:30px 0 80px}
html.lite .proc-grid{margin-top:34px;gap:26px}
html.lite .band{padding:40px 0}
html.lite .mrow{animation:mq 46s linear infinite}
html.lite .mrow.outline{animation-direction:reverse}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
html.lite .zoom-stage{height:auto;display:block;overflow:visible;padding:30px 12px 10px}
html.lite .zoom-title{font-size:clamp(2.2rem,12vw,4.2rem);padding:0 8px 18px}
html.lite .zoom-reveal{position:relative;inset:auto;border-radius:28px;overflow:hidden;padding:26px 18px 30px}
html.lite #shaft{max-height:none}
html.lite .why{padding:80px 0 60px}
html.lite .why-grid{margin-top:34px;gap:16px}
html.lite .card-in{min-height:0}
html.lite .rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-out) var(--rv-d,0ms),transform .8s var(--ease-out) var(--rv-d,0ms)}
html.lite .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.lite .rv{opacity:1;transform:none}html.lite .mrow{animation:none}}

/* computers: the whole page at 90% (what the owner liked at 90% browser zoom); phones keep their own sizes */
@media (min-width:901px){html{zoom:.9}}

/* ---------- formal type: reading text in the Naskh (Persian, Arabic), a little larger since Naskh sits smaller ---------- */
.hero-sub,.panel p,.step-card p,.card p,.cta-box p,.zoom-sub,.foot-brand p,.sec-head p{font-family:var(--font-read)}
.panel p,.step-card p,.card p{font-size:calc(1em * var(--read-scale));line-height:1.95}
.sec-head p{font-size:calc(1.08rem * var(--read-scale));line-height:1.95}
.hero-sub{font-size:calc(clamp(1.02rem,1.6vw,1.17rem) * var(--read-scale));line-height:1.95}
.cta-box p{font-size:calc(1.08rem * var(--read-scale))}
.zoom-sub{font-size:calc(1.15rem * var(--read-scale))}
.foot-brand p{font-size:calc(.92rem * var(--read-scale))}