@font-face{font-family:Farhang;src:url("FarhangVariable.woff") format("woff");font-weight:100 900;font-display:swap}

:root{
  --green:#0d3226;
  --green-2:#12402f;
  --gold:#b08d57;
  --gold-2:#96733f;
  --cream:#f7f4ec;
  --cream-2:#efeade;
  --ink:#1d211e;
  --muted:#5f6660;
  --line:#ddd6c7;
  --line-d:rgba(255,255,255,.15);
  /* Farhang is the only typeface on this page — Persian and Latin.
     The three aliases are kept so the rest of the sheet reads the same,
     but they all resolve to Farhang; hierarchy comes from weight, not family. */
  --serif:"Farhang",Tahoma,serif;
  --latin:"Farhang",Tahoma,serif;
  --sans:"Farhang",Tahoma,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:min(1200px,100% - 64px);
  --nav-h:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{margin:0;background:#fff;color:var(--muted);font-family:var(--sans);font-size:1rem;line-height:1.95;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:600;line-height:1.55}
h1,h2{font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{width:var(--wrap);margin-inline:auto}
.skip{position:absolute;inset-inline-start:16px;top:-60px;background:var(--green);color:#fff;padding:10px 18px;z-index:100}
.skip:focus{top:10px}

/* shared type */
.eyebrow{font-family:var(--latin);font-size:.78rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin:0 0 14px}
.eyebrow.on-dark{color:var(--gold)}
h2.h-sec{font-size:clamp(1.85rem,3.1vw,2.75rem);letter-spacing:0}
.rule{width:52px;height:1px;background:var(--gold);border:0;margin:22px 0 0}
.rule.center{margin-inline:auto}
.lede{font-size:1.08rem;line-height:2.05;margin-top:20px}
.sec-head{max-width:660px;margin:0 auto 60px;text-align:center}
.sec-head .lede{margin-top:16px}
.section{padding:clamp(72px,9vw,116px) 0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 10px 30px -22px rgba(13,50,38,.55)}
.nav{width:var(--wrap);margin-inline:auto;height:84px;display:flex;align-items:center;gap:36px}
.logo{flex:none;direction:ltr}
.logo img{height:38px;width:auto}
.menu{display:flex;gap:32px;list-style:none;margin:0;padding:0}
.menu a{font-size:.94rem;font-weight:500;color:var(--ink);padding:6px 0;position:relative;transition:color .2s}
.menu a::after{content:"";position:absolute;inset-inline:0;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.menu a:hover::after,.menu a.active::after{transform:scaleX(1)}
.menu a:hover,.menu a.active{color:var(--green)}
.lang{flex:none;margin-inline-start:auto;font-family:var(--latin);font-size:.9rem;letter-spacing:.12em;color:var(--muted);border:1px solid var(--line);padding:5px 13px;transition:border-color .2s,color .2s}
.lang:hover{border-color:var(--gold);color:var(--green)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 34px;border:1px solid var(--gold);background:var(--gold);color:#fff;font-family:var(--sans);font-weight:600;font-size:.94rem;border-radius:2px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--gold-2);border-color:var(--gold-2);color:#fff}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{background:transparent;border-color:var(--gold);color:var(--gold-2)}
.btn.ghost.on-dark{border-color:rgba(255,255,255,.35);color:#fff}
.btn.ghost.on-dark:hover{border-color:var(--gold);color:var(--gold)}

/* hero split */
.split{display:grid;grid-template-columns:1fr 1fr;min-height:620px}
.split .panel{padding:clamp(48px,6vw,92px);display:flex;flex-direction:column;justify-content:center}
.split .art{position:relative;overflow:hidden;background:var(--green);min-height:380px}
.split .art svg{position:absolute;inset:0;width:100%;height:100%}
.hero h1{font-size:clamp(2.2rem,4vw,3.5rem);line-height:1.5;margin-bottom:22px}
.hero .lede{max-width:30em}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero .panel{background:var(--cream)}
.hero .art{background:var(--green)}
.hero .art video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.hero .art::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(to top,rgba(13,50,38,.78) 0%,rgba(13,50,38,.26) 40%,rgba(13,50,38,0) 66%)}
.badge{position:absolute;z-index:2;inset-block-end:36px;inset-inline-start:36px;border:1px solid rgba(176,141,87,.55);padding:16px 22px;text-align:center;color:#fff;background:rgba(13,50,38,.35);backdrop-filter:blur(2px)}
.badge b{display:block;font-family:var(--serif);font-size:1.5rem;color:var(--gold);line-height:1.4}
.badge span{font-size:.72rem;color:rgba(255,255,255,.62)}

/* story */
.story{background:#fff}
.story .split{min-height:560px}
.story .art{background:var(--cream-2)}
.story .art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.story h2{font-size:clamp(1.8rem,2.9vw,2.6rem);margin-bottom:6px}
.values{display:grid;gap:22px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.values div{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:baseline}
.values b{font-family:var(--latin);font-size:1.05rem;color:var(--gold);font-weight:600;letter-spacing:.06em}
.values h3{font-size:1.05rem;margin:0 0 2px}
.values p{font-size:.95rem;line-height:1.85}

/* range */
.range{background:var(--cream)}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;color:var(--gold-2);margin-top:6px}
.link svg{flex:none;transition:transform .3s var(--ease)}
.link:hover svg{transform:translateX(-5px)}

/* product slider */
.slider{position:relative}
.viewport{overflow:hidden;padding:8px;margin:-8px}
.track{display:flex;gap:28px;transition:transform .6s var(--ease);touch-action:pan-y;cursor:grab}
.track.dragging{transition:none;cursor:grabbing;user-select:none}
.track:focus-visible{outline:2px solid var(--gold);outline-offset:6px}
.slide{flex:0 0 calc((100% - 56px)/3);background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .3s,box-shadow .4s var(--ease)}
.slide:hover{border-color:var(--gold);box-shadow:0 24px 40px -30px rgba(13,50,38,.45)}
.slide .media{position:relative;aspect-ratio:1;overflow:hidden;border-bottom:1px solid var(--line);background:var(--cream-2)}
.slide .media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.slide:hover .media img{transform:scale(1.045)}
.slide .body{padding:26px 26px 30px;display:flex;flex-direction:column;gap:6px;flex:1}
.slide .num{font-family:var(--latin);font-size:.72rem;letter-spacing:.22em;color:var(--gold)}
.slide h3{font-size:1.22rem;margin-top:2px}
.slide .lat{font-family:var(--latin);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.slide p{font-size:.92rem;line-height:1.85;margin-top:8px;flex:1}
.slide .link{margin-top:12px}
.slide-cta{background:var(--green);border-color:var(--green);color:rgba(255,255,255,.72);padding:clamp(28px,3vw,38px);justify-content:center;position:relative;overflow:hidden}
.slide-cta:hover{background:var(--green-2);border-color:var(--gold);box-shadow:0 24px 40px -30px rgba(13,50,38,.55)}
.slide-cta .arch2{position:absolute;inset-block-end:0;inset-inline-start:0;width:78%;height:62%;opacity:.42;pointer-events:none}
.slide-cta>*:not(.arch2){position:relative;z-index:1}
.slide-cta h3{color:#fff;font-size:1.32rem;line-height:1.6}
.slide-cta p{color:rgba(255,255,255,.7);flex:0}
.slide-cta .link{color:var(--gold);margin-top:22px}
.s-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:34px}
.s-btn{width:46px;height:46px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:border-color .25s,color .25s}
.s-btn:hover:not(:disabled){border-color:var(--gold);color:var(--gold-2)}
.s-btn:disabled{opacity:.3;cursor:default}
.s-dots{display:flex;align-items:center;gap:9px}
.s-dots button{width:7px;height:7px;padding:0;border:0;border-radius:50%;background:var(--line);cursor:pointer;transition:width .3s var(--ease),background .3s,color .25s}
.s-dots button.on{width:24px;border-radius:3px;background:var(--gold)}

/* chain */
.chain{background:var(--green);color:rgba(255,255,255,.72)}
.chain h2,.chain h3{color:#fff}
.chain .sec-head .lede{color:rgba(255,255,255,.7)}
.chain-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.chain-card{border:1px solid var(--line-d);padding:0;display:flex;flex-direction:column;background:rgba(255,255,255,.03)}
.chain-card .art{position:relative;aspect-ratio:3/2;overflow:hidden;border-bottom:1px solid var(--line-d);background:var(--green-2)}
.chain-card .art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.2s var(--ease)}
.chain-card:hover .art img{transform:scale(1.04)}
.chain-card .body{padding:30px 32px 36px}
.chain-card h3{font-size:1.24rem;margin-bottom:8px}
.chain-card p{font-size:.95rem;line-height:1.9;color:rgba(255,255,255,.7)}
.chain-card .num{font-family:var(--latin);font-size:.8rem;letter-spacing:.2em;color:var(--gold);display:block;margin-bottom:10px}

/* quality */
.quality{background:#fff}
.certs{display:grid;grid-template-columns:repeat(6,1fr);gap:0;border:1px solid var(--line);margin-top:8px}
.cert{padding:26px 16px;text-align:center;border-inline-start:1px solid var(--line)}
.cert:first-child{border-inline-start:0}
.cert b{display:block;font-size:.95rem;color:var(--ink);font-weight:600;margin-bottom:4px}
.cert span{font-family:var(--latin);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* numbers */
.numbers{background:var(--cream);border-top:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:44px 20px;text-align:center;border-inline-start:1px solid var(--line)}
.stat:first-child{border-inline-start:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(2.2rem,3.6vw,3rem);font-weight:600;color:var(--green);line-height:1.3}
.stat span{font-size:.9rem;color:var(--muted)}

/* contact */
.contact{background:var(--cream-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,6vw,90px);align-items:start}
.info{margin-top:34px;font-style:normal}
.info p{display:grid;grid-template-columns:100px 1fr;gap:18px;align-items:baseline;font-size:1rem;color:var(--ink);padding:13px 0;border-top:1px solid var(--line)}
.info p:last-child{border-bottom:1px solid var(--line)}
.info p>span:first-child{font-size:.86rem;color:var(--muted)}
.info a:hover{color:var(--gold-2)}
form{padding-top:8px}
form h3{font-size:1.3rem;margin-bottom:6px}
form .sub{font-size:.9rem;margin-bottom:26px}
.field{margin-bottom:22px}
label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px}
input,textarea,select{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;font-family:inherit;font-size:1rem;color:var(--ink);padding:8px 0;border-radius:0;transition:border-color .25s}
input::placeholder,textarea::placeholder{color:#a7a79c}
input:focus,textarea:focus,select:focus{outline:0;border-bottom-color:var(--gold)}
textarea{min-height:96px;resize:vertical}
form .btn{width:100%;margin-top:8px}

/* footer */
.site-footer{position:relative;overflow:hidden;background:var(--green);color:rgba(255,255,255,.62);padding:clamp(56px,7vw,84px) 0 38px;border-top:3px solid var(--gold);text-align:center}
.foot-arch{position:absolute;inset-block-end:0;inset-inline:0;width:100%;height:80%;opacity:.13;pointer-events:none}
.site-footer .wrap{position:relative;z-index:1}
.foot{display:flex;flex-direction:column;align-items:center}
.foot-logo{display:inline-flex;align-items:center;justify-content:center;background:#fff;padding:20px 34px;border-radius:14px;box-shadow:0 20px 44px -26px rgba(0,0,0,.6);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.foot-logo:hover{transform:translateY(-2px);box-shadow:0 26px 50px -26px rgba(0,0,0,.65)}
.foot-logo img{height:34px;width:auto;display:block}
.foot-tag{margin-top:26px;font-size:1rem;line-height:2;color:rgba(255,255,255,.72);max-width:30em}
.foot-rule{width:40px;height:1px;background:rgba(176,141,87,.8);border:0;margin:26px 0 0}
.foot-copy{margin-top:22px;font-size:.82rem;color:rgba(255,255,255,.55)}
.foot-social{display:flex;gap:10px;list-style:none;margin:20px 0 0;padding:0}
.foot-social a{width:42px;height:42px;border:1px solid rgba(255,255,255,.22);border-radius:10px;display:grid;place-items:center;color:rgba(255,255,255,.78);transition:border-color .25s,color .25s,background .25s}
.foot-social a:hover{border-color:var(--gold);color:var(--gold);background:rgba(176,141,87,.12)}
.foot-social svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.foot-social .ic-fill{fill:currentColor;stroke:none}

/* floating whatsapp */
.wa{position:fixed;z-index:60;inset-block-end:26px;inset-inline-end:26px;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(13,50,38,.55);transition:transform .3s var(--ease),box-shadow .3s}
.wa:hover{transform:translateY(-3px);box-shadow:0 20px 36px -14px rgba(13,50,38,.6)}
.wa svg{width:30px;height:30px;fill:currentColor}

/* mobile bottom nav */
.mnav{display:none}

/* motion */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  :root{--nav-h:76px}
  .nav{gap:20px;height:76px}
  .menu{gap:20px}
  .menu a{font-size:.88rem}
  .certs{grid-template-columns:repeat(3,1fr)}
  .cert:nth-child(4){border-inline-start:0}
  .cert:nth-child(n+4){border-top:1px solid var(--line)}
  .slide{flex:0 0 calc((100% - 28px)/2)}
}
@media (max-width:900px){
  :root{--nav-h:76px}
  .split{grid-template-columns:1fr;min-height:0}
  .split .art{min-height:320px;order:2}
  .split .panel{order:1}
  .hero .art{order:2;min-height:0;aspect-ratio:16/9}
  .story .split .art{order:2}
  .story .art{min-height:0;aspect-ratio:4/3}
  .chain-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(odd){border-inline-start:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  :root{--wrap:calc(100% - 40px)}
  .menu{display:none}
  .logo img{height:32px}
  .certs{grid-template-columns:1fr 1fr}
  .cert:nth-child(odd){border-inline-start:0}
  .cert:nth-child(n+3){border-top:1px solid var(--line)}
  .slide{flex:0 0 86%}
  .track{gap:18px}
  .s-nav{margin-top:26px}
  .site-footer{padding-bottom:96px}
  .wa{inset-block-end:calc(78px + env(safe-area-inset-bottom));width:50px;height:50px;inset-inline-end:18px}
  .wa svg{width:27px;height:27px}
  .mnav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;inset-inline:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
  .mnav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:10px 0 9px;font-size:.72rem;color:var(--muted);position:relative;transition:color .2s}
  .mnav a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .mnav a.on{color:var(--green)}
  .mnav a.on::before{content:"";position:absolute;top:0;width:26px;height:2px;background:var(--gold)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.js .reveal{opacity:1;transform:none}.hero .art::after{background:linear-gradient(to top,rgba(13,50,38,.85),rgba(13,50,38,.35))}}

/* ── LTR / English ─────────────────────────────────────────────
   The layout is written with logical properties, so only the
   directional icons and the underline origin need flipping. */
html[dir="ltr"] .menu a::after{transform-origin:left}
html[dir="ltr"] .link svg{transform:scaleX(-1)}
html[dir="ltr"] .link:hover svg{transform:scaleX(-1) translateX(-5px)}
html[dir="ltr"] .s-nav .s-btn svg{transform:scaleX(-1)}

/* Latin type needs tighter leading than Persian */
html[dir="ltr"] h1,html[dir="ltr"] h2,html[dir="ltr"] h3{line-height:1.3}
html[dir="ltr"] .hero h1{font-size:clamp(2rem,3.2vw,3.05rem);letter-spacing:-.01em}

/* Persian name shown under the English product title */
.slide .lat.fa{font-size:.85rem;letter-spacing:0;text-transform:none;direction:rtl;text-align:left;font-weight:500}