/* Ghaffari Chemical Industries — static site. See DESIGN.md for rationale. */
@font-face{font-family:"Vazirmatn";src:url("/assets/fonts/vazirmatn.woff2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F,U+0660-0669,U+06F0-06F9,U+060C,U+061B,U+061F}
@font-face{font-family:"Vazirmatn";src:url("/assets/fonts/vazirmatn.woff2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+20AC}
@font-face{font-family:"Archivo";src:url("/assets/fonts/archivo.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#101827; --ink-2:#1b2640; --ink-3:#2a3858;
  --paper:#f3f4f7; --paper-2:#e8eaef; --surface:#fff; --line:#d6d9e0; --line-d:rgb(255 255 255 / .14);
  --muted:#4a5160; --muted-d:#b8c0d0;
  --bond:#fbd630; --bond-press:#e8c21a; --lab:#28eac4; --orange:#f28c1a;
  --r:6px; --r-sm:4px; --wrap:1200px; --gut:clamp(16px,4vw,32px);
  --ease:cubic-bezier(.16,1,.3,1);
  --spring:cubic-bezier(.22,1,.36,1);
  --sx:1;
  --font-fa:"Vazirmatn",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;
  --font-en:"Archivo","Vazirmatn",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
html[dir=rtl]{--sx:-1;--font:var(--font-fa)}
html[dir=ltr]{--font:var(--font-en)}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;scrollbar-color:var(--ink-3) var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:1.0625rem;line-height:1.85;caret-color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html:is([lang=en],[lang=es]) body{line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
::selection{background:var(--bond);color:var(--ink)}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:4px}
.sec-dark :focus-visible,.foot :focus-visible,.hero :focus-visible{outline-color:var(--bond)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--bond);color:var(--ink);padding:10px 16px;border-radius:8px;z-index:100;font-weight:700}
.skip:focus{top:12px}
.wrap{width:min(100% - 2*var(--gut),var(--wrap));margin-inline:auto}
.wrap-narrow{width:min(100% - 2*var(--gut),820px)}
.latin{font-family:var(--font-en);direction:ltr;unicode-bidi:isolate;color:var(--muted);font-size:.875rem;letter-spacing:.01em;line-height:1.4;margin:0}
[lang=en]{font-family:var(--font-en)}

h1,h2,h3{margin:0;font-weight:700;text-wrap:balance;line-height:1.25}
html[lang=fa] h1,html[lang=fa] h2,html[lang=fa] h3{line-height:1.45;letter-spacing:0}
html[lang=fa] *{letter-spacing:0}
h1{font-size:clamp(2.1rem,4.2vw + .9rem,4.5rem)}
h2{font-size:clamp(1.65rem,2.2vw + 1rem,2.75rem)}
h3{font-size:1.25rem}
html:is([lang=en],[lang=es]) h1{font-stretch:108%;letter-spacing:-.025em;line-height:1.06;font-weight:700}
html:is([lang=en],[lang=es]) h2{font-stretch:108%;letter-spacing:-.02em;line-height:1.1}
html:is([lang=en],[lang=es]) h3{font-stretch:100%;letter-spacing:-.005em}
p{margin:0 0 1em;text-wrap:pretty;max-width:72ch}
ul,ol{margin:0;padding:0}
table{border-collapse:collapse;width:100%}
th,td{text-align:start;vertical-align:top}

/* ------------------------------------------------------ buttons */
.btn{--fill:var(--ink);--hc:#fff;position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.8em 1.45em;border-radius:var(--r);font:inherit;font-weight:600;font-size:1rem;line-height:1.2;text-decoration:none;border:1.5px solid transparent;cursor:pointer;min-height:48px;transition:color .35s var(--ease),border-color .35s var(--ease),scale .1s ease-out}
.btn::before{content:"";position:absolute;inset:-1px;z-index:-1;background:var(--fill);clip-path:circle(0 at var(--x,50%) var(--y,50%));transition:clip-path .6s var(--ease)}
.btn:active{scale:.97}
.btn-sm{min-height:42px;padding:.55em 1.1em;font-size:.9375rem}
.btn-bond{background:var(--bond);color:var(--ink);--fill:var(--ink);--hc:#fff}
.btn-ink{background:var(--ink);color:#fff;--fill:var(--bond);--hc:var(--ink)}
.btn-line,.btn-line-ink{border-color:var(--ink);color:var(--ink);--fill:var(--ink);--hc:#fff}
.btn-ghost{border-color:rgb(255 255 255 / .38);color:#fff;--fill:#fff;--hc:var(--ink)}
@media (hover:hover){
  .btn:hover{color:var(--hc);transition:color .12s linear .26s,border-color .35s var(--ease),scale .1s ease-out}
  .btn:hover::before{clip-path:circle(150% at var(--x,50%) var(--y,50%))}
}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:2rem}

/* arrow icon: authored SVG as a mask, follows text direction */
.arr{display:inline-block;width:1.1em;height:1.1em;flex:none;background:currentColor;scale:var(--fx,1) 1;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat}
html[dir=rtl] .arr{--fx:-1}

/* ------------------------------------------------------ header */
.top{position:sticky;top:0;z-index:50;background:rgb(243 244 247 / .82);-webkit-backdrop-filter:saturate(1.6) blur(18px);backdrop-filter:saturate(1.6) blur(18px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:clamp(12px,3vw,40px);min-height:68px;flex-wrap:wrap;padding-block:6px}
.brand{display:block;flex:none}
.brand img{height:36px;width:auto}
.nav{order:3;flex:1 1 100%;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav ul{display:flex;gap:6px;list-style:none;white-space:nowrap}
.nav a{display:block;padding:.45em .85em;border-radius:var(--r);text-decoration:none;font-weight:600;font-size:.9375rem;color:var(--ink)}
.nav a[aria-current=page]{background:var(--ink);color:#fff}
.top-end{display:flex;align-items:center;gap:12px;margin-inline-start:auto}
.lang{font-weight:600;font-size:.875rem;text-decoration:none;padding:.25em .65em;border-radius:3px;color:var(--muted-d)}
@media (hover:hover){.nav a:not([aria-current]):hover{background:var(--paper-2)}.lang:hover{color:#fff;background:rgb(255 255 255 / .1)}}
@media (max-width:559px){.top-end .btn{display:none}}
@media (min-width:900px){
  .top-in{flex-wrap:nowrap}
  .nav{order:0;flex:1 1 auto;overflow:visible}
  .brand img{height:40px}
}

/* ------------------------------------------------------ hero */
.hero{background:var(--ink);color:#fff;position:relative;overflow:clip;padding-block:clamp(40px,7vw,96px) clamp(96px,12vw,150px)}
.hero-grid{display:grid;gap:clamp(24px,4vw,64px);align-items:center}
@media (min-width:900px){.hero-grid{grid-template-columns:1.12fr .88fr}}
.hero h1{color:#fff;max-width:16ch}
html[lang=fa] .hero h1{max-width:15ch;font-size:clamp(2.1rem,3.6vw + 1rem,4.1rem)}
.lede{font-size:clamp(1.0625rem,.6vw + 1rem,1.3125rem);color:var(--muted-d);margin-top:1.25rem;max-width:46ch}
.bond-stage{position:relative;margin:0;aspect-ratio:1/1.08;width:min(100%,520px);margin-inline:auto}
.plate{position:absolute;inset-block:4% 8%;width:46%;background:var(--ink-2);border:1px solid var(--line-d);border-radius:var(--r)}
.plate-a{inset-inline-start:2%}
.plate-b{inset-inline-end:2%;background:var(--ink-3)}
.bond-line{position:absolute;inset-block:0 4%;inset-inline-start:calc(50% - 1.5px);width:3px;background:var(--bond);border-radius:2px;transform-origin:50% 50%}
.bond-product{position:absolute;inset-inline-start:50%;top:50%;height:84%;width:auto;max-width:none;translate:calc(-50% * var(--sx)) -52%;filter:drop-shadow(0 28px 28px rgb(0 0 0 / .45))}
html[dir=rtl] .bond-product{translate:50% -52%}
.bond-stage figcaption{position:absolute;inset-inline:0;bottom:0;display:flex;align-items:center;justify-content:center;gap:.6em;font-size:.9375rem;color:var(--muted-d)}
.ab{display:inline-grid;place-items:center;width:1.9em;height:1.9em;border-radius:3px;background:var(--bond);color:var(--ink);font-family:var(--font-en);font-weight:800;font-size:.9rem}
.ab:last-of-type{background:var(--orange)}
.plus{color:var(--muted-d)}
.cap{margin-inline-start:.6em}

/* the authored moment: plates meet, the bond ignites, the product rises */
.js .plate-a{translate:calc(-44px * var(--sx)) 0;opacity:0}
.js .plate-b{translate:calc(44px * var(--sx)) 0;opacity:0}
.js .bond-line{scale:1 0}
.js .bond-product{opacity:0;filter:drop-shadow(0 28px 28px rgb(0 0 0 / .45)) blur(8px)}
html.js[dir=rtl] .bond-product{translate:50% -46%}
html.js[dir=ltr] .bond-product{translate:-50% -46%}
.js .bond-stage figcaption{opacity:0}
.is-in .plate{translate:0 0;opacity:1;transition:translate .9s var(--ease),opacity .5s ease-out}
.is-in .bond-line{scale:1 1;transition:scale .6s var(--ease) .55s}
.is-in .bond-product{opacity:1;filter:drop-shadow(0 28px 28px rgb(0 0 0 / .45)) blur(0);transition:opacity .7s ease-out .85s,filter .7s ease-out .85s,translate .9s var(--ease) .85s}
html.is-ready[dir=rtl] .is-in .bond-product,html[dir=rtl] .is-in .bond-product{translate:50% -52%}
html[dir=ltr] .is-in .bond-product{translate:-50% -52%}
.is-in figcaption{opacity:1;transition:opacity .6s ease-out 1.3s}
.bond-product{will-change:translate}

/* ------------------------------------------------------ fact strip */
.facts{margin-top:-64px;position:relative;z-index:2}
.facts dl{display:grid;grid-template-columns:1fr;margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.facts dl>div{padding:22px 24px;border-bottom:1px solid var(--line)}
.facts dl>div:last-child{border-bottom:0}
.facts dt{font-size:.875rem;font-weight:700;color:var(--muted);margin-bottom:.35em}
.facts dd{margin:0;font-weight:700;font-size:1.0625rem;line-height:1.5;text-wrap:balance}
@media (min-width:760px){
  .facts dl{grid-template-columns:repeat(4,1fr)}
  .facts dl>div{border-bottom:0;border-inline-end:1px solid var(--line)}
  .facts dl>div:last-child{border-inline-end:0}
}

/* ------------------------------------------------------ sections */
.sec{padding-block:clamp(72px,9vw,128px)}
.sec-tight{padding-block:clamp(48px,6vw,88px)}
.sec-paper2{background:var(--paper-2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-head{margin-bottom:clamp(28px,4vw,56px);max-width:62ch}
@media (min-width:900px){.sec-head:not(.sec-head-row){max-width:none;display:grid;grid-template-columns:5fr 6fr;column-gap:clamp(32px,6vw,96px);align-items:end;padding-top:28px;border-top:1px solid var(--ink)}.sec-head:not(.sec-head-row) p{margin:0}}
.sec-head p{color:var(--muted);margin-top:.9rem;margin-bottom:0}
.sec-head-row{display:flex;align-items:end;justify-content:space-between;gap:24px;max-width:none}
.sec-head-row p{max-width:56ch}

/* family index */
.fam{display:grid;gap:32px}
@media (min-width:900px){.fam{grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,80px);align-items:start}}
.fam-list{list-style:none;border-top:1px solid var(--line)}
.fam-list a{position:relative;display:flex;align-items:baseline;gap:14px;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none;transition:background-color .2s}
.fam-name{transition:translate .35s var(--ease)}
.fam-name{font-weight:700;font-size:1.25rem;flex:1;line-height:1.4}
.fam-alt{font-size:.875rem;color:var(--muted);font-variant-numeric:tabular-nums;display:none;white-space:nowrap}
@media (min-width:560px){.fam-alt{display:inline}}
.fam-list .arr{align-self:center;opacity:.35;transition:opacity .2s,translate .35s var(--ease)}
@media (hover:hover){
  .fam-list a:hover .fam-name{translate:calc(12px * var(--sx)) 0}
  .fam-list a:hover .arr{opacity:1;translate:calc(6px * var(--sx)) 0}
}
.fam-list a:focus-visible .fam-name{translate:calc(12px * var(--sx)) 0}
.fam-row{display:flex;align-items:baseline;gap:14px;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--muted)}
.fam-row .fam-name{font-weight:600}
.fam-stage{display:none}
@media (min-width:900px){
  .fam-stage{display:block;position:sticky;top:104px;aspect-ratio:1/1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
  .fam-stage img{position:absolute;inset:6%;width:88%;height:88%;object-fit:contain;mix-blend-mode:multiply;opacity:0;scale:1.04;filter:blur(6px);transition:opacity .28s ease-out,scale .5s var(--ease),filter .28s ease-out}
  .fam-stage img[data-src$=".jpg"]{inset:0;width:100%;height:100%;object-fit:cover;mix-blend-mode:normal}
  .fam-stage img.on{opacity:1;scale:1;filter:blur(0)}
}

/* industries */
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.chips li{padding:.5em 1em;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font-weight:600;font-size:.9375rem;line-height:1.5}

/* rail */
.rail-btns{display:flex;gap:10px}
.rb{width:46px;height:46px;border-radius:var(--r);border:1.5px solid var(--ink);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:background-color .18s,color .18s,scale .1s}
.rb:active{scale:.94}
html[dir=ltr] .rb[data-rail=prev] .arr{--fx:-1}
html[dir=rtl] .rb[data-rail=prev] .arr{--fx:1}
@media (hover:hover){.rb:hover{background:var(--ink);color:#fff}}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;overscroll-behavior-x:contain;padding-inline:max(var(--gut),calc((100vw - var(--wrap))/2));padding-block:4px 28px;scroll-padding-inline:max(var(--gut),calc((100vw - var(--wrap))/2));scrollbar-width:thin;scrollbar-color:var(--ink-3) transparent}
.tile{flex:0 0 min(300px,78vw);scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.tile a{display:flex;flex-direction:column;gap:6px;padding:16px 16px 20px;height:100%;text-decoration:none}
.tile-img{aspect-ratio:1;border-radius:var(--r-sm);overflow:hidden;background:var(--surface);margin-bottom:10px}
.tile-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:scale .6s var(--ease)}
@media (hover:hover){.tile a:hover .tile-img img{scale:1.05}}
.tile h3{font-size:1.0625rem;line-height:1.5}
.tag{align-self:start;margin-top:auto;font-size:.875rem;font-weight:700;padding:.2em .7em;border-radius:3px;background:var(--paper-2);color:var(--ink)}
.tile-all{background:var(--ink);border-color:var(--ink);color:#fff}
.tile-all a{justify-content:space-between;min-height:240px;padding:24px}
.tile-all-t{font-size:1.25rem;font-weight:800;line-height:1.4}
.tile-all .arr{width:2em;height:2em}

/* quality & lab */
.quality{display:grid;gap:40px;align-items:center;margin-bottom:clamp(48px,6vw,88px)}
@media (min-width:860px){.quality{grid-template-columns:1.2fr .8fr;gap:80px}}
.q-copy p{color:var(--muted-d)}
.q-copy h2{margin-bottom:1.25rem}
.link-d{color:var(--lab);font-weight:700;font-family:var(--font-en);direction:ltr;unicode-bidi:isolate}
.q-cert{margin:0;justify-self:center}
.q-cert img{max-height:520px;width:auto;border-radius:6px;border:1px solid var(--line-d);background:#fff}
.ledger-h{color:var(--muted-d);margin-bottom:12px}
.ledger{font-size:1rem}
.ledger th,.ledger td{padding:16px 12px;border-top:1px solid var(--line-d);line-height:1.5}
.ledger thead th{font-size:.875rem;color:var(--muted-d);font-weight:700;border-top:0;padding-block:8px}
.ledger tbody th{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:800;color:var(--bond);width:5.5em}
.ledger td:last-child{color:var(--muted-d)}
.ledger-l th,.ledger-l td{border-top-color:var(--line)}
.ledger-l thead th{color:var(--muted)}
.ledger-l tbody th{color:var(--ink)}
.ledger-l td:last-child{color:var(--muted)}
@media (max-width:640px){.ledger thead{display:none}.ledger tr{display:block;padding:14px 0;border-top:1px solid var(--line-d)}.ledger th,.ledger td{display:block;border:0;padding:2px 0}.ledger-l tr{border-top-color:var(--line)}}

/* network */
.net{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.net figure{margin:0;position:relative;border-radius:var(--r);overflow:hidden;background:var(--ink);min-height:200px}
.net img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.net figcaption{position:absolute;inset-inline:0;bottom:0;padding:44px 16px 14px;color:#fff;font-weight:700;background:linear-gradient(0deg,rgb(16 24 39 / .82),transparent)}
.net-0{grid-column:1/-1;min-height:260px!important}
@media (min-width:860px){
  .net{grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:240px 240px}
  .net-0{grid-column:1;grid-row:1/3}
  .net-3{grid-column:2/4}
}
.brands-h{margin-top:clamp(40px,5vw,72px)}
.brands{display:flex;flex-wrap:wrap;align-items:center;gap:20px 40px;list-style:none;margin-top:16px}
.brands img{height:36px;width:auto;filter:grayscale(1);opacity:.7;transition:filter .2s,opacity .2s}
@media (hover:hover){.brands img:hover{filter:none;opacity:1}}

/* FAQ */
.faq{margin-top:28px;border-top:1px solid var(--line)}
.faq-i{border-bottom:1px solid var(--line)}
.faq-i summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:700;font-size:1.125rem;display:flex;justify-content:space-between;gap:16px;align-items:center;line-height:1.5}
.faq-i summary::-webkit-details-marker{display:none}
.faq-i summary::after{content:"";flex:none;width:1em;height:1em;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;transition:rotate .3s var(--ease)}
.faq-i[open] summary::after{rotate:45deg}
.faq-i p{color:var(--muted);padding-bottom:20px;margin:0}

/* CTA */
.cta{background:var(--bond);color:var(--ink);padding-block:clamp(56px,7vw,96px)}
.cta-in h2{max-width:18ch}
html[lang=fa] .cta-in h2{max-width:none}
.cta-in p{margin-top:.8rem;font-size:1.125rem}
.cta-sm{padding-block:clamp(40px,5vw,64px)}
.cta .btn-ink{font-family:var(--font-en);direction:ltr}
.cta .btn-line-ink{font-family:var(--font-en);direction:ltr}

/* footer */
.foot{background:var(--ink);color:#fff;padding-block:clamp(56px,7vw,96px) 32px}
.foot-in{display:grid;gap:36px}
@media (min-width:860px){.foot-in{grid-template-columns:1.3fr .9fr .9fr 1.2fr;gap:48px}}
.foot-logo{height:38px;width:auto;filter:brightness(0) invert(1);margin-bottom:16px}
.foot p{color:var(--muted-d);font-size:.9375rem;line-height:1.8}
.foot-h{font-size:.9375rem;font-weight:800;margin-bottom:14px;color:#fff}
.foot-list{list-style:none;display:grid;gap:8px}
.foot a{color:#fff;text-decoration:none;font-size:.9375rem}
.foot-list a{color:var(--muted-d)}
@media (hover:hover){.foot a:hover{color:var(--bond);text-decoration:underline}}
.foot address{font-style:normal}
.foot .tel{font-family:var(--font-en);direction:ltr;unicode-bidi:isolate;font-weight:700;font-size:1.25rem}
.foot address a{font-family:var(--font-en);direction:ltr;unicode-bidi:isolate}
.muted-d{color:var(--muted-d);font-size:.875rem}
.foot-base{margin-top:48px;padding-top:20px;border-top:1px solid var(--line-d)}
.foot-base p{font-size:.875rem;margin:0}

/* ------------------------------------------------------ inner pages */
.crumbs{padding-block:20px 0;font-size:.875rem;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none}
.crumbs li:not(:last-child)::after{content:"/";margin-inline-start:8px;opacity:.5}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.page-head{padding-block:clamp(28px,4vw,56px) clamp(24px,3vw,40px)}
.page-head h1{font-size:clamp(2rem,3.4vw + 1rem,3.75rem);max-width:18ch}
html[lang=fa] .page-head h1{max-width:none}
.lede-l{font-size:clamp(1.0625rem,.5vw + 1rem,1.25rem);color:var(--muted);margin-top:1rem;max-width:62ch}
.count{font-weight:700;color:var(--muted);font-size:.9375rem;margin:0}
.pc-grid{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding-bottom:clamp(56px,7vw,96px)}
@media (min-width:760px){.pc-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
@media (min-width:1040px){.pc-grid{grid-template-columns:repeat(4,1fr)}}
.pc a{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 14px 18px;height:100%;text-decoration:none}
.pc-img{aspect-ratio:1;overflow:hidden;border-radius:var(--r-sm)}
.pc-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:scale .6s var(--ease)}
@media (hover:hover){.pc a:hover .pc-img img{scale:1.05}.pc a:hover{border-color:var(--ink)}}
.pc h2{font-size:1rem;font-weight:700;line-height:1.5;margin-top:8px}

/* product page */
.pdp-grid{display:grid;gap:28px;padding-block:clamp(20px,3vw,40px)}
@media (min-width:860px){.pdp-grid{grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}}
.pdp-img{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:1}
.pdp-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pdp h1{font-size:clamp(1.8rem,2.6vw + 1rem,3rem)}
.pdp-sub{font-weight:700;font-size:1.25rem;margin-top:1rem}
.pdp-main .latin{margin-top:.5rem}
.pdp-body{display:grid;gap:clamp(36px,5vw,64px);padding-block:clamp(24px,4vw,56px) clamp(72px,9vw,120px)}
@media (min-width:860px){.pdp-body{grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,72px) 64px}.pdp-body .warn{grid-column:1/-1}}
.pdp-body h2{font-size:1.5rem;margin-bottom:1rem}
.spec th,.spec td{padding:12px 0;border-top:1px solid var(--line);line-height:1.6}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:1px solid var(--line)}
.spec th{width:38%;color:var(--muted);font-weight:600;padding-inline-end:16px}
.spec td{font-weight:600;font-variant-numeric:tabular-nums}
.feat{margin:0}
.feat>div{padding:14px 0;border-top:1px solid var(--line)}
.feat>div:last-child{border-bottom:1px solid var(--line)}
.feat dt{font-weight:800}
.feat dd{margin:.2em 0 0;color:var(--muted)}
.plain{list-style:none;display:grid;gap:10px}
.plain li{padding-inline-start:1.4em;position:relative}
.plain li::before{content:"";position:absolute;inset-inline-start:0;top:.85em;width:.6em;height:2px;background:var(--ink)}
html:is([lang=en],[lang=es]) .plain li::before{top:.8em}
.note{margin-top:1rem;color:var(--muted);font-size:.9375rem}
.steps{list-style:none;counter-reset:s;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.4em 1fr;gap:12px;align-items:start}
.steps li::before{content:counter(s,decimal);font-variant-numeric:tabular-nums;font-weight:800;display:grid;place-items:center;width:2.1em;height:2.1em;border-radius:3px;background:var(--bond);color:var(--ink);font-size:.9375rem}
html[lang=fa] .steps li::before{content:counter(s,persian)}
.warn{background:#fff8d6;border:1px solid #ecd979;border-radius:var(--r);padding:clamp(20px,3vw,32px)}
.sticky-cta{position:fixed;inset-inline:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:40;display:flex}
.sticky-cta .btn{flex:1;box-shadow:0 12px 28px -12px rgb(16 24 39 / .5)}
@media (min-width:860px){.sticky-cta{display:none}}

/* about */
.about-story{display:grid;gap:32px;padding-block:clamp(16px,3vw,32px) clamp(56px,7vw,96px)}
@media (min-width:860px){.about-story{grid-template-columns:1fr 1fr;gap:64px;align-items:center}}
.story-copy h2{margin-bottom:1.25rem}
.story-img{margin:0}
.story-img img{border-radius:var(--r);width:100%;height:auto}
.pillars{margin:clamp(24px,3vw,40px) 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
@media (min-width:860px){.pillars{grid-template-columns:1fr 1fr;column-gap:64px}}
.pillars>div{padding:22px 0;border-bottom:1px solid var(--line)}
.pillars dt{font-weight:800;font-size:1.1875rem;margin-bottom:.3em}
.pillars dd{margin:0;color:var(--muted)}

/* ------------------------------------------------------ reveals (content visible without JS) */
.js .rv{opacity:0;translate:0 14px;filter:blur(5px)}
.js .rv.in{opacity:1;translate:0 0;filter:blur(0);transition:opacity .7s var(--ease),translate .7s var(--ease),filter .7s var(--ease);transition-delay:calc(var(--i,0) * 90ms)}
.js .ledger .rv{translate:calc(-18px * var(--sx)) 0;filter:none}
.js .net figure{clip-path:inset(0 0 100% 0)}
.js .net figure.in{clip-path:inset(0);transition:clip-path .9s var(--ease);transition-delay:calc(var(--i,0) * 110ms)}

/* ------------------------------------------------------ user preferences */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .plate-a,.js .plate-b,.js .bond-product{translate:0 0}
  .js .bond-line{scale:1 1}
  .js .bond-product{filter:drop-shadow(0 28px 28px rgb(0 0 0 / .45))}
  html.js[dir=rtl] .bond-product{translate:50% -52%}
  html.js[dir=ltr] .bond-product{translate:-50% -52%}
  .js .plate,.js .bond-product,.js .bond-stage figcaption,.js .bond-line{opacity:1;transition:none!important}
  .js .rv,.js .ledger .rv{translate:0 0;filter:none}
  .js .rv.in{transition:opacity .15s linear}
  .js .net figure{clip-path:none}
  .fam-stage img{scale:1!important;filter:none!important}
  .tile-img img,.pc-img img{transition:none}
}
@media (prefers-reduced-transparency:reduce){
  .top{background:var(--paper);-webkit-backdrop-filter:none;backdrop-filter:none}
}
@media (prefers-contrast:more){
  :root{--line:#7d8493;--muted:#2b303b}
  .btn-ghost{border-color:#fff}
  .fam-list a,.faq-i,.spec th,.spec td{border-color:#7d8493}
}
@media print{.top,.sticky-cta,.rail-btns{display:none}.hero,.sec-dark,.foot{background:#fff;color:#000}}

/* generic product + family pages */
.chips-sm{margin-top:1.25rem}
.chips-sm li{font-size:.875rem;padding:.35em .85em}
.pc-grid-3{grid-template-columns:repeat(2,1fr)}
@media (min-width:760px){.pc-grid-3{grid-template-columns:repeat(3,1fr)}}
.pdp-two{display:grid;gap:36px;padding-block:clamp(24px,4vw,56px) clamp(48px,6vw,80px)}
@media (min-width:960px){.pdp-two{grid-template-columns:minmax(300px,.8fr) 1.6fr;gap:72px;align-items:start}.pdp-spec{position:sticky;top:96px}}
.pdp-spec h2{font-size:1.5rem;margin-bottom:1rem}
.pdp-art{max-width:760px}
.art{margin-bottom:clamp(28px,4vw,48px)}
.art h2{font-size:1.5rem;margin-bottom:1rem}
.art p{color:var(--ink)}
.rel{padding-bottom:clamp(64px,8vw,112px)}
.rel h2{font-size:1.5rem;margin-bottom:1.25rem}
.rel .pc-grid{padding-bottom:0}

/* ====================================================================== motion v2: adhesive-themed, corporate restraint */
:root{--spring:linear(0, 0.017, 0.061, 0.122, 0.195, 0.273, 0.353, 0.431, 0.506, 0.575, 0.639, 0.697, 0.749, 0.794, 0.833, 0.866, 0.895, 0.919, 0.939, 0.955, 0.968, 0.979, 0.987, 0.994, 0.998, 1.002, 1.004, 1.006, 1.007, 1.008, 1.008, 1.008, 1.007, 1.007, 1)}
@supports not (transition-timing-function:linear(0,1)){:root{--spring:cubic-bezier(.22,1,.36,1)}}

/* utility bar */
.util{background:var(--ink);color:var(--muted-d);font-size:.875rem}
.util-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.util-l{display:flex;gap:20px;align-items:center}
.util a{color:inherit;text-decoration:none;font-family:var(--font-en);direction:ltr;unicode-bidi:isolate}
.util .lang{font-family:inherit;direction:inherit}
.util-r{display:flex;gap:4px}
.util-l a:first-child{color:#fff;font-weight:600}
@media (hover:hover){.util-l a:hover{color:var(--bond)}}
@media (max-width:640px){.util-l a:last-child{display:none}}

/* a sealant bead draws under each section heading */
.sec-head h2,.page-head h1{position:relative}
.sec-head h2::after{content:"";display:block;width:104px;height:10px;margin-top:18px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 104 10'%3E%3Cpath d='M5 5 C 17 1, 29 9, 41 5 S 65 1, 77 5 S 93 7, 99 5' fill='none' stroke='%23fbd630' stroke-width='6' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center/contain}
.js .sec-head h2::after{clip-path:inset(0 100% 0 0)}
html[dir=rtl].js .sec-head h2::after{clip-path:inset(0 0 0 100%)}
.js .sec-head.in h2::after{clip-path:inset(0);transition:clip-path 1.1s var(--ease) .15s}
html[dir=rtl].js .sec-head.in h2::after{clip-path:inset(0);transition:clip-path 1.1s var(--ease) .15s}
html[dir=rtl] .sec-head h2::after{transform:scaleX(-1);transform-origin:center}
.sec-dark .sec-head h2::after{filter:none}

/* family index: a yellow thread stretches along the row, with a slight elastic settle */
.fam-list a::after{content:"";position:absolute;inset-inline:0;bottom:-1px;height:2px;background:var(--bond);scale:0 1;transform-origin:0 50%;transition:scale .75s var(--spring)}
html[dir=rtl] .fam-list a::after{transform-origin:100% 50%}
@media (hover:hover){.fam-list a:hover::after{scale:1 1}}
.fam-list a:focus-visible::after{scale:1 1}

/* cards: lift on hover, press like two surfaces being joined */
.tile,.pc a{transition:translate .55s var(--spring),box-shadow .35s var(--ease),scale .12s ease-out,border-color .25s}
@media (hover:hover){
  .tile:hover,.pc a:hover{translate:0 -5px;box-shadow:0 22px 34px -24px rgb(16 24 39 / .45);border-color:var(--ink)}
}
.tile:active,.pc a:active{scale:.985;translate:0 -1px;transition-duration:.12s}

/* fact strip: the seams between the four facts are bond lines that draw down when revealed */
.facts dl>div{position:relative;border-inline-end:0!important}
.facts dl>div::after{content:"";position:absolute;inset-inline-end:0;top:20%;bottom:20%;width:2px;background:var(--bond);scale:1 1;transform-origin:50% 0}
.facts dl>div:last-child::after{display:none}
@media (max-width:759px){.facts dl>div::after{inset-inline:24px;inset-block:auto 0;top:auto;width:auto;height:2px;transform-origin:0 50%}}
.js .facts dl>div::after{scale:1 0}
@media (max-width:759px){.js .facts dl>div::after{scale:0 1}}
.js .facts dl>div.in::after{scale:1 1;transition:scale .9s var(--ease) calc(var(--i,0) * 140ms + 300ms)}

/* branch photos peel in like masking tape lifted diagonally */
.js .net figure{clip-path:polygon(0 0,0 0,-45% 100%,0 100%)}
html[dir=rtl].js .net figure{clip-path:polygon(100% 0,100% 0,145% 100%,100% 100%)}
.js .net figure.in{clip-path:polygon(0 0,145% 0,100% 100%,0 100%);transition:clip-path 1.1s var(--ease);transition-delay:calc(var(--i,0) * 120ms)}
html[dir=rtl].js .net figure.in{clip-path:polygon(100% 0,-45% 0,0 100%,100% 100%)}
.net img{transition:scale 1.4s var(--ease)}
@media (hover:hover){.net figure:hover img{scale:1.04}}

/* certificate: pressed into place */
.js .q-cert img{opacity:0;scale:1.06;filter:blur(6px)}
.js .q-cert.in img{opacity:1;scale:1;filter:blur(0);transition:opacity .6s ease-out,scale .9s var(--spring),filter .6s ease-out}

/* ledger rows: a thin bead draws under each as it appears */
.ledger tbody tr{position:relative}
.js .ledger tbody tr.rv th{box-shadow:inset 0 -2px 0 transparent}

/* reading progress: a bead that "cures" along the bottom of the header */
@supports (animation-timeline:scroll()){
  @media (prefers-reduced-motion:no-preference){
    .top::after{content:"";position:absolute;inset-inline:0;bottom:-1px;height:3px;background:var(--bond);transform-origin:0 50%;scale:0 1;animation:prog linear both;animation-timeline:scroll(root)}
    html[dir=rtl] .top::after{transform-origin:100% 50%}
    @keyframes prog{to{scale:1 1}}
  }
}

/* page transitions (cross-document View Transitions): the header stays, the page closes like a seam */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  .top{view-transition-name:site-top}
  .util{view-transition-name:site-util}
  ::view-transition-group(site-top),::view-transition-group(site-util){animation-duration:0s}
  ::view-transition-old(root){animation:vt-out .22s ease-in both}
  ::view-transition-new(root){animation:vt-in .7s var(--ease) both}
  @keyframes vt-out{to{opacity:0;filter:blur(3px)}}
  @keyframes vt-in{from{clip-path:inset(0 50% 0 50%);opacity:.4}to{clip-path:inset(0);opacity:1}}
}

@media (prefers-reduced-motion:reduce){
  .btn::before{transition:none}
  .js .sec-head h2::after,.js .facts dl>div::after,.js .q-cert img{clip-path:none;scale:1 1;opacity:1;filter:none}
  .js .net figure,html[dir=rtl].js .net figure{clip-path:none}
  .fam-list a::after{transition:none}
  .tile,.pc a{transition:none}
}

.ledger tbody th small{display:block;font-size:.875rem;font-weight:600;color:var(--muted-d);margin-top:.15em;font-variant-numeric:tabular-nums}
.ledger-l tbody th small{color:var(--muted)}
.ledger tbody th{width:7.5em}
.ledger-note{margin-top:14px;font-size:.875rem;color:var(--muted-d);max-width:70ch}
.ledger-note-l{color:var(--muted)}

/* ====================================================================== mobile pass (audit 2026-10-22) */
/* touch targets: every link/button at least 44px high on touch and narrow screens */
@media (pointer:coarse),(max-width:899px){
  .util a,.lang{display:inline-flex;align-items:center;min-height:44px;padding-inline:.7em}
  .util-l{gap:4px}
  .brand{display:flex;align-items:center;min-height:44px}
  .foot a{display:inline-flex;align-items:center;min-height:44px}
  .foot-list{gap:0}
  .foot address p{margin:0}
  .crumbs a{display:inline-flex;align-items:center;min-height:44px}
  .crumbs ol{gap:0 6px}
  .link-d{display:inline-flex;align-items:center;min-height:44px}
  .fam-list a{min-height:56px;align-items:center}
  .faq-i summary{min-height:56px}
  .brands img{height:34px}
}

/* menu button + panel (only when JS is present; without JS the nav stays a scrollable row) */
.menu-btn{display:none;width:46px;height:46px;border:1.5px solid var(--ink);border-radius:var(--r);background:transparent;color:var(--ink);cursor:pointer;place-items:center;position:relative}
.menu-btn i,.menu-btn i::before,.menu-btn i::after{display:block;width:20px;height:2px;background:currentColor;border-radius:1px;transition:transform .35s var(--ease),opacity .2s,top .35s var(--ease)}
.menu-btn i{position:relative}
.menu-btn i::before,.menu-btn i::after{content:"";position:absolute;inset-inline-start:0}
.menu-btn i::before{top:-6px}
.menu-btn i::after{top:6px}
.menu-open .menu-btn i{background:transparent}
.menu-open .menu-btn i::before{top:0;transform:rotate(45deg)}
.menu-open .menu-btn i::after{top:0;transform:rotate(-45deg)}
.menu-btn:active{scale:.95}
@media (max-width:899px){
  .js .menu-btn{display:grid}
  .js .menu-btn[hidden]{display:grid}
  .js .top-in{flex-wrap:nowrap;min-height:60px}
  .js .nav{display:none;position:absolute;inset-inline:0;top:100%;order:0;flex:none;overflow:visible;background:var(--paper);border-bottom:1px solid var(--ink);padding:4px var(--gut) 16px;max-height:calc(100svh - 110px);overflow-y:auto;box-shadow:0 24px 32px -24px rgb(16 24 39 / .4)}
  .js .menu-open .nav{display:block;animation:menu-in .35s var(--ease) both}
  .js .nav ul{flex-direction:column;gap:0;white-space:normal}
  .js .nav a{padding:.95em .25em;font-size:1.0625rem;border-bottom:1px solid var(--line);border-radius:0;min-height:52px;display:flex;align-items:center}
  .js .nav a[aria-current=page]{background:none;color:var(--ink);font-weight:800;box-shadow:inset 0 -2px 0 var(--bond)}
  @keyframes menu-in{from{opacity:0;translate:0 -8px}}
}

/* first screen on a phone: compact chrome, product visible, thumb-reach actions */
@media (max-width:759px){
  .util{font-size:.875rem}
  .util-l a:last-child{display:none}
  .hero{padding-block:28px 72px}
  .hero-grid{gap:22px}
  .hero h1{font-size:2.05rem;line-height:1.3}
  html:is([lang=en],[lang=es]) .hero h1{font-size:2.2rem;line-height:1.08}
  html[lang=fa] .hero h1{font-size:2rem;max-width:none}
  .lede{font-size:1.0625rem;margin-top:.9rem}
  .hero .actions{margin-top:1.4rem;flex-direction:column;gap:10px}
  .hero .actions .btn{width:100%;min-height:52px}
  .bond-stage{aspect-ratio:1/.82;width:min(100%,380px)}
  .bond-product{height:92%}
  .facts{margin-top:-40px}
  .facts dl{grid-template-columns:1fr 1fr}
  .facts dl>div{padding:16px 14px;border-bottom:1px solid var(--line)}
  .facts dl>div:nth-child(odd){border-inline-end:1px solid var(--line)}
  .facts dl>div:nth-last-child(-n+2){border-bottom:0}
  .facts dl>div::after{display:none}
  .facts dd{font-size:1rem}
  .sec{padding-block:56px}
  .sec-head{margin-bottom:24px}
  .sec-head h2::after{margin-top:12px}
  h2{font-size:1.65rem}
  .rail-btns{display:none}
  .sec-head-row{display:block}
  .fam-name{font-size:1.125rem}
  .cta-in .actions .btn,.cta .actions .btn{width:100%}
  .page-head h1{font-size:1.9rem}
  .pc-grid{gap:10px}
  .pc a{padding:10px 10px 14px}
  .foot{padding-bottom:calc(32px + 76px + env(safe-area-inset-bottom))}
}

/* quick-contact bar: appears after the hero, hides at the footer */
.mbar{display:none}
@media (max-width:759px){
  .mbar{position:fixed;inset-inline:0;bottom:0;z-index:45;display:grid;grid-template-columns:1fr 1.7fr;gap:10px;padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom));background:rgb(243 244 247 / .92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);translate:0 110%;transition:translate .5s var(--spring)}
  .mbar.show{translate:0 0}
  .mbar .btn{min-height:50px;padding-inline:.8em}
  .mbar .btn[href^=tel]{font-family:var(--font-en);direction:ltr}
}
@media (prefers-reduced-motion:reduce){.mbar{transition:none}.js .menu-open .nav{animation:none}.menu-btn i,.menu-btn i::before,.menu-btn i::after{transition:none}}
@media (prefers-reduced-transparency:reduce){.mbar{background:var(--paper);-webkit-backdrop-filter:none;backdrop-filter:none}}


/* ====================================================================== taste pass
   House style from the design skill: flat fills and tone steps instead of hairlines, outlines, glass and gradients;
   headlines of at most two lines; no row that scrolls sideways. Later rules win over earlier ones. */
.top{background:var(--paper-2);-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom:0}
.top::after{display:none!important}
@media (max-width:759px){.top{position:relative}}
@media (prefers-reduced-transparency:reduce){.top{background:var(--paper-2)}}

/* hero: wider text column so the two-line headline fits, bigger picture */
.hero-grid{grid-template-columns:1fr}
@media (min-width:900px){.hero-grid{grid-template-columns:1.3fr .7fr}}
.hero h1,html[lang=fa] .hero h1{max-width:none}
.hero h1{font-size:clamp(2.1rem,4.4vw,4.6rem)}
html[lang=fa] .hero h1{font-size:clamp(2.1rem,4vw,4.2rem)}
@media (max-width:759px){
  .hero h1{font-size:2.2rem}
  html[lang=fa] .hero h1{font-size:2.1rem}
}
.plate{border:0}
.btn-ghost{border-color:transparent;background:var(--ink-3)}
.q-cert img{border:0}

/* section heads, lists and cards: tone steps, no lines */
.sec-head:not(.sec-head-row){border-top:0;padding-top:0}
.fam-list{border-top:0;display:grid;gap:6px}
.fam-list a,.fam-row{border-bottom:0;background:var(--paper-2);padding:16px 18px;border-radius:var(--r)}
.fam-stage{border:0}
.facts dl{background:none;border:0;gap:12px;overflow:visible}
.facts dl>div{background:var(--surface);border:0!important;border-radius:var(--r)}
.facts dl>div::after{display:none!important}
.tile,.pc a{border:0}
@media (hover:hover){.tile:hover,.pc a:hover{border-color:transparent}}
.pdp-img{border:0}
.chips li{border:0;background:var(--paper-2)}
.sec-paper2 .chips li{background:var(--surface)}
.faq{border-top:0;display:grid;gap:8px}
.faq-i{border-bottom:0;background:var(--paper-2);border-radius:var(--r);padding-inline:18px}
.foot-base{border-top:0}
.warn{border:0}
.btn-line,.btn-line-ink{border-color:transparent;background:var(--paper-2);color:var(--ink)}
.cta .btn-line-ink{background:rgb(16 24 39 / .1)}
.menu-btn{border:0;background:var(--paper)}
.net figcaption{background:rgb(16 24 39 / .76);padding:12px 16px}

/* featured products: a grid that wraps instead of a row that scrolls sideways */
.rail-btns{display:none!important}
.rail{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;overflow:visible;scroll-snap-type:none;width:min(100% - 2*var(--gut),var(--wrap));margin-inline:auto;padding:0}
@media (min-width:760px){.rail{grid-template-columns:repeat(3,1fr);gap:16px}}
.tile{flex:none;scroll-snap-align:none}
.tile-all a{min-height:0}

/* mobile action bar: flat, no glass */
.mbar{background:var(--paper-2);border-top:0;-webkit-backdrop-filter:none;backdrop-filter:none}

/* hero: the headline is the dominant element, set across the whole frame; copy and picture sit below it */
.hero-grid{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,40px);align-items:start}
.hero-h{grid-column:1/-1}
@media (min-width:900px){.hero-grid{grid-template-columns:1.25fr .75fr;align-items:center}}
.hero h1.hero-h{max-width:none;font-size:clamp(2.2rem,7vw,6.6rem);line-height:1.02}
html[lang=es] .hero h1.hero-h{font-size:clamp(2.2rem,7.4vw,7rem)}
html[lang=fa] .hero h1.hero-h{font-size:clamp(2.2rem,6.4vw,6.2rem);line-height:1.3}
@media (max-width:759px){
  .hero h1.hero-h{font-size:2.3rem}
  html[lang=es] .hero h1.hero-h{font-size:2.5rem}
  html[lang=fa] .hero h1.hero-h{font-size:2.3rem}
}
.hero-copy .lede{margin-top:0}
.bond-stage{margin-inline:auto 0}
@media (max-width:899px){.bond-stage{margin-inline:auto}}

@media (min-width:900px){.hero-grid{align-items:start}}
.plate-a{inset-inline-start:0}
.plate-b{inset-inline-end:0}

/* awards rows must return to the grid once revealed (the entrance offset was left on) */
.js .ledger .rv.in{translate:0 0}
/* closing call-to-action: text on one side, the two ways to reach us on the other */
@media (min-width:900px){
  .cta-in{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
  .cta-in .actions{margin:0;flex-direction:column;align-items:stretch}
  .cta-in .actions .btn{justify-content:center;min-height:56px;font-size:1.0625rem}
}

/* inner pages: bigger titles, tone steps instead of rules, no cream box */
.page-head h1{font-size:clamp(2.4rem,6.2vw,5.8rem);line-height:1.05;max-width:none}
html[lang=fa] .page-head h1{line-height:1.3}
.pdp h1{font-size:clamp(2.2rem,5vw,4.6rem);line-height:1.05}
html[lang=fa] .pdp h1{line-height:1.3}
@media (min-width:860px){.pdp-grid{grid-template-columns:1.05fr .95fr}}
.pillars{border-top:0;gap:12px}
.pillars>div{border-bottom:0;background:var(--surface);border-radius:var(--r);padding:22px 24px}
.feat>div{border:0!important;background:var(--surface);border-radius:var(--r);padding:16px 20px;margin-bottom:10px}
.warn{background:var(--paper-2)}
.art.rv h2{max-width:34ch}
@media (min-width:640px){
  .cta-in{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
  .cta-in .actions{margin:0;flex-direction:column;align-items:stretch}
  .cta-in .actions .btn{justify-content:center}
}

/* related cards keep card-sized titles; shorter entrances so nothing waits blank; titles sized for 2 lines */
.rel .pc h2,.pc h2{font-size:1rem;line-height:1.45;margin:8px 0 0;max-width:none;overflow-wrap:anywhere}
.js .rv.in{transition-duration:.45s}
.js .net figure.in{transition-duration:.65s;transition-delay:calc(var(--i,0) * 70ms)}
.pdp h1{font-size:clamp(2rem,4.2vw,3.9rem)}
.page-head h1{font-size:clamp(2.1rem,6.2vw,5.8rem)}
@media (max-width:759px){
  .pdp h1{font-size:1.9rem}
  .page-head h1{font-size:2.05rem}
  html[lang=fa] .pdp h1,html[lang=fa] .page-head h1{font-size:1.9rem}
}

/* product pages: the title spans the frame at display size; picture and facts sit below it */
.pdp-title{padding-top:clamp(12px,2vw,28px)}
.pdp h1{font-size:clamp(2.1rem,6vw,5.6rem);line-height:1.04}
html[lang=fa] .pdp h1{line-height:1.3}
.pdp-main .actions{margin-top:1.4rem}
@media (max-width:759px){
  .pdp h1{font-size:1.7rem}
  html[lang=fa] .pdp h1{font-size:1.8rem}
}

@media (max-width:759px){
  html:is([lang=en],[lang=es]) .pdp h1{font-size:1.5rem}
}

.pc-grid-4{grid-template-columns:repeat(2,1fr)}
@media (min-width:760px){.pc-grid-4{grid-template-columns:repeat(4,1fr)}}