/* Mogharsazan Pars – site styles. Persian (RTL) is the base; English switches html[lang="en"] (LTR). */
:root{
  --red:#E6442B; --red-deep:#C7341E; --red-soft:#FF7A5C;
  --ink:#1C1A19; --ink-2:#2A2624; --steel:#6B625C; --steel-2:#9A918A;
  --paper:#F6F4F1; --white:#FFFFFF; --line:rgba(28,26,25,.12); --line-dark:rgba(255,255,255,.12);
  --on-dark:#F4F1EE; --on-dark-muted:rgba(244,241,238,.7); --muted:#5E5752;
  --fa:"Vazirmatn",Tahoma,sans-serif; --en:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif; --en-head:"Barlow","Inter",sans-serif;
  --header-h:78px; --space:clamp(72px,9vw,128px); --radius:14px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--fa);font-size:1rem;line-height:1.9;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
html[lang="en"] body{font-family:var(--en);line-height:1.7}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:0;text-wrap:balance}
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,html[lang="en"] h4{font-family:var(--en-head);font-weight:700;line-height:1.1;letter-spacing:-.01em}
p{margin:0}
.wrap{width:min(1240px,100% - 48px);margin-inline:auto}
@media (max-width:600px){.wrap{width:calc(100% - 32px)}}
.skip{position:fixed;top:8px;inset-inline-start:8px;z-index:300;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;transform:translateY(-200%);transition:transform .2s}
.skip:focus{transform:none}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* ---------- type helpers ---------- */
.label{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;font-weight:700;color:var(--red)}
.label::before{content:"";width:22px;height:3px;background:var(--red);transform:skewX(-25deg)}
html[lang="en"] .label{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;color:var(--ink);border-bottom:2px solid var(--red);padding-bottom:3px;transition:color .25s}
.text-link:hover{color:var(--red)}
html[lang="en"] .text-link{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.stripes{display:inline-flex;gap:5px;height:26px;margin-bottom:6px}
.stripes i{display:block;width:7px;height:100%;background:var(--steel-2);transform:skewX(-18deg)}
.stripes i:last-child{background:var(--red);height:115%;margin-top:-2px}
html[dir="rtl"] .stripes{transform:scaleX(-1)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border:0;border-radius:6px;font-weight:700;font-size:.95rem;cursor:pointer;transition:background .25s,color .25s,transform .25s,box-shadow .25s;position:relative;overflow:hidden}
html[lang="en"] .btn{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.btn-sm{min-height:42px;padding:0 18px;font-size:.85rem}
.btn-red{background:var(--red);color:#fff;box-shadow:0 14px 30px -16px rgba(230,68,43,.8)}
.btn-red:hover{background:var(--red-deep);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--red)}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.ctas{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:background .4s,border-color .4s,box-shadow .4s}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--header-h)}
.logo{position:relative;display:block;flex:0 0 auto}
.logo img{height:46px;width:auto;transition:opacity .35s}
.logo .logo-light{position:absolute;inset:0;opacity:0}
.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px)}
.nav a{position:relative;font-weight:600;font-size:.95rem;padding-block:8px;color:var(--ink);transition:color .25s}
html[lang="en"] .nav a{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.nav a::after{content:"";position:absolute;inset-inline:0;bottom:0;height:3px;background:var(--red);transform:scaleX(0) skewX(-25deg);transition:transform .35s var(--ease)}
.nav a:hover,.nav a[aria-current]{color:var(--red)}
.nav a[aria-current]::after,.nav a:hover::after{transform:scaleX(1) skewX(-25deg)}
.header-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang button{border:0;background:none;padding:6px 12px;border-radius:999px;cursor:pointer;font-weight:700;font-size:.78rem;color:var(--muted);min-width:40px}
.lang button[lang="en"]{font-family:var(--en);letter-spacing:.06em}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;padding:10px;cursor:pointer;color:var(--ink)}
.menu-btn span{display:block;height:2px;background:currentColor;margin:5px 0;transition:transform .3s,opacity .3s}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* home: header floats over the video */
body[data-page="home"] .header{position:fixed;inset-inline:0;background:transparent;border-bottom-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
body[data-page="home"] .header::before{content:"";position:absolute;inset:0 0 -50px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(10,10,10,.6),rgba(10,10,10,0));transition:opacity .4s}
body[data-page="home"] .header:not(.solid) .logo-dark{opacity:0}
body[data-page="home"] .header:not(.solid) .logo-light{opacity:1}
body[data-page="home"] .header:not(.solid) .nav a,body[data-page="home"] .header:not(.solid) .menu-btn{color:#fff}
body[data-page="home"] .header:not(.solid) .nav a[aria-current]{color:var(--red-soft)}
body[data-page="home"] .header:not(.solid) .lang{border-color:rgba(255,255,255,.35)}
body[data-page="home"] .header:not(.solid) .lang button:not([aria-pressed="true"]){color:rgba(255,255,255,.85)}
body[data-page="home"] .header:not(.solid) .lang button[aria-pressed="true"]{background:#fff;color:var(--ink)}
body[data-page="home"] .header.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(0,0,0,.4)}
body[data-page="home"] .header.solid::before{opacity:0}

@media (max-width:1080px){
  .head-cta{display:none}
}
@media (max-width:960px){
  :root{--header-h:66px}
  .logo img{height:38px}
  .menu-btn{display:block}
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 22px;transform:translateY(-12px);opacity:0;visibility:hidden;transition:transform .35s var(--ease),opacity .3s,visibility .3s;box-shadow:0 30px 50px -30px rgba(0,0,0,.35);max-height:calc(100svh - var(--header-h));overflow:auto}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav a::after{display:none}
  body.menu-open .nav{transform:none;opacity:1;visibility:visible}
  body.menu-open .header{background:#fff!important}
  body.menu-open[data-page="home"] .header .nav a{color:var(--ink)}
  body.menu-open[data-page="home"] .header .logo-dark{opacity:1}
  body.menu-open[data-page="home"] .header .logo-light{opacity:0}
  body.menu-open[data-page="home"] .header .menu-btn{color:var(--ink)}
}
@media (max-width:420px){.logo img{height:32px}.lang button{padding:6px 9px;min-width:34px}}

/* ---------- hero ---------- */
.hero{position:relative;display:flex;align-items:flex-end;min-height:100svh;color:var(--on-dark);overflow:hidden;isolation:isolate;background:#0d0d0d}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(12,10,9,.88) 0%,rgba(12,10,9,.35) 55%,rgba(12,10,9,.25) 100%)}
html[dir="rtl"] .hero::after,html[dir="ltr"] .hero::after{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:62%;z-index:-1;background:linear-gradient(to var(--fade-dir,left),rgba(12,10,9,.6),rgba(12,10,9,0))}
html[dir="rtl"] .hero::after{--fade-dir:left}
html[dir="ltr"] .hero::after{--fade-dir:right}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:24px;padding-block:calc(var(--header-h) + 60px) clamp(80px,12vh,140px)}
.hero .label{color:#fff}
.hero .label::before{background:var(--red)}
.hero h1{font-size:clamp(2.4rem,5.6vw,4.8rem);color:#fff;max-width:15ch}
html[lang="en"] .hero h1{font-size:clamp(2.8rem,6.4vw,5.6rem);max-width:13ch}
.hero h1 em{font-style:normal;color:var(--red-soft)}
.hero p{max-width:52ch;font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--on-dark-muted)}
.hero-scroll{position:absolute;bottom:26px;inset-inline-end:max(24px,calc((100% - 1240px)/2));display:flex;flex-direction:column;align-items:center;gap:10px;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.hero-scroll i{width:1px;height:48px;background:linear-gradient(rgba(255,255,255,.9),rgba(255,255,255,0));animation:drop 2s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (max-width:700px){.hero-scroll{display:none}.hero-copy{padding-bottom:64px}}

/* ---------- stats ---------- */
.stats{position:relative;background:var(--red);color:#fff;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 2px,transparent 2px 26px);pointer-events:none}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:clamp(28px,4vw,46px) clamp(16px,2vw,28px);border-inline-start:1px solid rgba(255,255,255,.22)}
.stat:first-child{border-inline-start:0}
.stat b{display:block;font-size:clamp(2rem,3.6vw,3rem);font-weight:800;line-height:1.1}
html[lang="en"] .stat b{font-family:var(--en-head);font-weight:700}
.stat small{font-size:.45em;font-weight:600;opacity:.9}
.stat p{margin-top:8px;font-size:.92rem;color:rgba(255,255,255,.88);line-height:1.6}
@media (max-width:860px){.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(3){border-inline-start:0}.stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.22)}}

/* ---------- sections ---------- */
.section{padding-block:var(--space)}
.section.tint{background:var(--paper)}
.section.dark{background:var(--ink);color:var(--on-dark)}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark .label{color:var(--red-soft)}
.section.dark .label::before{background:var(--red-soft)}
.head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:clamp(36px,5vw,60px)}
.head h2,.split-copy h2,.sv-intro h2{font-size:clamp(1.9rem,3.6vw,3rem)}
html[lang="en"] .head h2,html[lang="en"] .split-copy h2,html[lang="en"] .sv-intro h2{font-size:clamp(2.1rem,4vw,3.4rem)}
.head-row{flex-direction:row;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.head-row>div{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.split-copy{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.split-copy p{color:var(--muted);font-size:1.03rem}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.values{list-style:none;margin:4px 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.values li{padding:8px 16px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-weight:700;font-size:.88rem}
.values li::before{content:"";display:inline-block;width:7px;height:7px;background:var(--red);transform:skewX(-20deg);margin-inline-end:8px;vertical-align:middle}

/* collage */
.collage{position:relative;padding-block-end:14%;padding-inline-start:12%}
.collage figure{margin:0;overflow:hidden;border-radius:var(--radius)}
.collage img{width:100%;height:100%;object-fit:cover}
.c-main{aspect-ratio:4/4.4;box-shadow:0 40px 80px -40px rgba(0,0,0,.5)}
.c-small{position:absolute;inset-inline-start:0;bottom:0;width:48%;aspect-ratio:4/3;border:8px solid #fff;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.c-badge{position:absolute;top:8%;inset-inline-end:-16px;width:124px;height:124px;display:grid;place-items:center;align-content:center;text-align:center;background:var(--red);color:#fff;font-weight:700;font-size:.85rem;clip-path:polygon(18% 0,100% 0,82% 100%,0 100%);box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
.c-badge b{display:block;font-size:2rem;line-height:1;font-weight:800}
html[lang="en"] .c-badge b{font-family:var(--en-head)}
@media (max-width:900px){.collage{max-width:560px}.c-badge{inset-inline-end:6px;width:104px;height:104px}}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ind{position:relative;display:block;aspect-ratio:3/4.2;overflow:hidden;border-radius:var(--radius);isolation:isolate}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.1s var(--ease)}
.ind::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(10,9,8,.92) 8%,rgba(10,9,8,.15) 60%)}
.ind::after{content:"";position:absolute;inset-inline-start:0;bottom:0;height:4px;width:0;background:var(--red);transition:width .5s var(--ease)}
.ind div{position:absolute;inset-inline:22px;bottom:22px;display:flex;flex-direction:column;gap:6px}
.ind h3{font-size:1.35rem}
.ind p{font-size:.88rem;color:var(--on-dark-muted);line-height:1.6}
.ind:hover img{transform:scale(1.07)}
.ind:hover::after{width:100%}
@media (max-width:960px){.ind-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ind-grid{grid-template-columns:1fr}.ind{aspect-ratio:16/11}}

/* services list */
.sv-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(40px,6vw,96px);align-items:start}
.sv-intro{display:flex;flex-direction:column;align-items:flex-start;gap:20px;position:sticky;top:calc(var(--header-h) + 30px)}
.sv-intro p{color:var(--muted)}
.sv-list{list-style:none;margin:0;padding:0;counter-reset:sv;display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.sv-list li{counter-increment:sv;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;padding:22px 0;border-top:1px solid var(--line);font-weight:600;line-height:1.7}
.sv-list li::before{content:counter(sv,decimal-leading-zero);font-weight:800;color:var(--red);font-size:.95rem;padding-top:2px}
html[lang="fa"] .sv-list li::before{content:counter(sv,persian)}
@media (max-width:900px){.sv-wrap{grid-template-columns:1fr}.sv-intro{position:static}}
@media (max-width:600px){.sv-list{grid-template-columns:1fr}}

/* projects */
.proj-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.proj-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.proj{display:flex;flex-direction:column;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 0 var(--line),0 24px 50px -40px rgba(0,0,0,.45);transition:transform .4s var(--ease),box-shadow .4s}
.proj:hover{transform:translateY(-4px);box-shadow:0 1px 0 var(--line),0 34px 60px -36px rgba(0,0,0,.5)}
.proj figure{position:relative;margin:0;aspect-ratio:16/9;overflow:hidden}
.proj figure img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.proj:hover figure img{transform:scale(1.05)}
.proj-num{position:absolute;inset-inline-start:0;bottom:0;background:var(--red);color:#fff;font-weight:800;font-size:1.1rem;padding:8px 18px 8px 22px;clip-path:polygon(0 0,100% 0,86% 100%,0 100%)}
html[dir="rtl"] .proj-num{clip-path:polygon(14% 0,100% 0,100% 100%,0 100%);padding:8px 22px 8px 18px}
.proj-body{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:24px 26px 28px;flex:1}
.proj-client{font-size:.82rem;font-weight:700;color:var(--steel)}
html[lang="en"] .proj-client{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.proj h3{font-size:1.3rem}
.proj p{color:var(--muted);font-size:.95rem;line-height:1.75}
.proj-key{margin-top:auto;padding-top:12px;font-weight:800;color:var(--red);font-size:.95rem}
.section.tint .proj{background:#fff}
@media (max-width:960px){.proj-grid.three{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.proj-grid,.proj-grid.three{grid-template-columns:1fr}}

/* quote band */
.quote-band{position:relative;background:var(--ink);color:#fff;padding-block:clamp(80px,10vw,140px);text-align:center;overflow:hidden}
.quote-band::before{content:"";position:absolute;inset-block:-20%;inset-inline-end:-6%;width:40%;background:repeating-linear-gradient(115deg,rgba(230,68,43,.18) 0 18px,transparent 18px 46px);pointer-events:none}
.quote-band .wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:22px}
.quote-band blockquote{margin:0;font-size:clamp(1.6rem,3.2vw,2.6rem);font-weight:700;line-height:1.6;max-width:28ch}
html[lang="en"] .quote-band blockquote{font-family:var(--en-head);font-weight:600;line-height:1.25;max-width:26ch;font-size:clamp(1.8rem,3.6vw,3rem)}
.quote-band cite{font-style:normal;color:var(--red-soft);font-weight:700}

/* CTA band with video */
.cta-band{position:relative;min-height:62vh;display:grid;place-items:center;text-align:center;color:#fff;overflow:hidden;isolation:isolate;background:#111}
.cta-band video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(15,13,12,.55),rgba(15,13,12,.82))}
.cta-band .wrap{display:flex;flex-direction:column;align-items:center;gap:18px;padding-block:90px}
.cta-band .label{color:#fff}
.cta-band h2{font-size:clamp(2rem,4.4vw,3.6rem);max-width:20ch}
.cta-band p{max-width:52ch;color:var(--on-dark-muted)}
.cta-band .ctas{justify-content:center;margin-top:8px}

/* footer */
.footer{background:#121110;color:var(--on-dark-muted);padding-top:clamp(56px,7vw,90px);font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px}
.foot-brand img{height:52px;width:auto;margin-bottom:18px}
.foot-brand p{max-width:34ch}
.footer h4{color:#fff;font-size:1rem;margin-bottom:16px}
html[lang="en"] .footer h4{font-family:var(--en);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer a,.footer .link-btn{transition:color .25s}
.footer a:hover,.footer .link-btn:hover{color:#fff}
.foot-offices li{display:flex;flex-direction:column;gap:2px}
.foot-offices b{color:#fff;font-weight:600;font-size:.88rem}
.foot-offices a{width:fit-content}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:56px;padding-block:24px calc(24px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-dark);font-size:.85rem}
.link-btn{background:none;border:0;padding:0;cursor:pointer;text-align:start}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* page hero (inner pages) */
.page-hero{position:relative;min-height:clamp(380px,58vh,560px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;isolation:isolate;background:var(--ink)}
.ph-bg{position:absolute;inset:0;z-index:-2}
.ph-bg img{width:100%;height:100%;object-fit:cover}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(14,12,11,.92) 0%,rgba(14,12,11,.45) 60%,rgba(14,12,11,.35))}
.ph-copy{display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding-block:80px clamp(48px,7vw,80px)}
.page-hero .label{color:#fff}
.page-hero h1{font-size:clamp(2.2rem,5vw,4rem);max-width:20ch}
html[lang="en"] .page-hero h1{font-size:clamp(2.6rem,5.6vw,4.6rem)}
.page-hero p{max-width:60ch;color:var(--on-dark-muted);font-size:1.05rem}

/* disciplines */
.dis-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.dis{position:relative;background:#fff;border-radius:var(--radius);padding:28px 24px 26px;border-top:4px solid var(--ink);transition:border-color .3s,transform .4s var(--ease),box-shadow .4s;box-shadow:0 20px 40px -36px rgba(0,0,0,.4)}
.dis:hover{border-top-color:var(--red);transform:translateY(-4px)}
.dis-num{display:block;font-weight:800;color:var(--red);font-size:.95rem;margin-bottom:10px}
.dis h3{font-size:1.2rem;margin-bottom:14px}
.dis ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.dis li{position:relative;padding-inline-start:18px;color:var(--muted);font-size:.9rem;line-height:1.65}
.dis li::before{content:"";position:absolute;inset-inline-start:0;top:.7em;width:7px;height:7px;background:var(--red);transform:skewX(-20deg)}
@media (max-width:1060px){.dis-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.dis-grid{grid-template-columns:1fr}}
.split-media{margin:0;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/4.3;box-shadow:0 40px 80px -40px rgba(0,0,0,.5)}
.split-media img{width:100%;height:100%;object-fit:cover}
.ticks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:12px;width:100%}
.ticks li{display:flex;gap:14px;align-items:flex-start;padding-bottom:12px;border-bottom:1px solid var(--line);font-weight:600}
.ticks li::before{content:"";flex:0 0 18px;height:10px;margin-top:.65em;background:linear-gradient(90deg,var(--steel-2) 0 30%,transparent 30% 40%,var(--red) 40%);transform:skewX(-20deg)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:220px;gap:14px}
.gallery figure{margin:0;overflow:hidden;border-radius:10px}
.gallery figure:nth-child(1){grid-column:span 2;grid-row:span 2}
.gallery figure:nth-child(2){grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);filter:saturate(.95)}
.gallery figure:hover img{transform:scale(1.06)}
@media (max-width:860px){.gallery{grid-template-columns:1fr 1fr;grid-auto-rows:180px}}
@media (max-width:480px){.gallery{grid-template-columns:1fr}.gallery figure:nth-child(n){grid-column:auto;grid-row:auto}}

/* about */
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:0;border-inline-start:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 34px;padding-inline-start:32px}
.timeline li::before{content:"";position:absolute;inset-inline-start:-8px;top:8px;width:14px;height:14px;background:var(--red);transform:skewX(-20deg)}
.timeline b{display:block;font-size:1.6rem;font-weight:800;color:var(--ink);line-height:1.3}
html[lang="en"] .timeline b{font-family:var(--en-head)}
.timeline p{color:var(--muted)}
.media-band{position:relative;overflow:hidden;isolation:isolate}
.media-band video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.9}
.media-band::before{content:"";position:absolute;inset:0;z-index:-1;background:rgba(18,16,15,.82)}
.goals{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.goals li{display:flex;flex-direction:column;gap:14px;padding:26px 22px;border:1px solid var(--line-dark);border-radius:var(--radius);background:rgba(255,255,255,.04);backdrop-filter:blur(4px)}
.goals span{font-weight:800;font-size:1.8rem;color:var(--red-soft);line-height:1}
html[lang="en"] .goals span{font-family:var(--en-head)}
.goals p{color:var(--on-dark);font-weight:600;line-height:1.7}
@media (max-width:960px){.goals{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.goals{grid-template-columns:1fr}}
.va-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.va{padding:30px 24px;border-radius:var(--radius);background:var(--paper);display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.va h3{font-size:1.35rem}
.va p{color:var(--muted)}
@media (max-width:960px){.va-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.va-grid{grid-template-columns:1fr}}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,5vw,72px);align-items:start}
.offices{display:grid;gap:16px}
.office{padding:26px 26px 24px;border-radius:var(--radius);background:var(--paper);border-inline-start:4px solid var(--red);display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.office h3{font-size:1.15rem}
.office p{color:var(--muted)}
.office a[href^="tel"],.office a[href^="mailto"]{font-weight:700;color:var(--ink)}
.office .text-link{margin-top:6px}
.office-mail{border-inline-start-color:var(--ink)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{display:flex;flex-direction:column;gap:16px;padding:clamp(24px,4vw,44px);border-radius:var(--radius);background:#fff;box-shadow:0 1px 0 var(--line),0 40px 80px -50px rgba(0,0,0,.45);border:1px solid var(--line)}
.form h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:6px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px;font-size:.88rem;font-weight:700;min-width:0}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:8px;background:var(--paper);padding:13px 14px;font-weight:400;font-size:1rem;transition:border-color .2s,background .2s;min-width:0}
.field textarea{resize:vertical;min-height:140px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff}
.field .bad,.field [aria-invalid="true"]{border-color:var(--red);background:#FFF4F1}
.hp{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.robot-box{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1.5px solid var(--line);border-radius:8px;background:var(--paper);cursor:pointer;font-weight:600;width:fit-content;min-width:min(320px,100%);user-select:none}
.robot-box input{position:absolute;opacity:0;width:1px;height:1px}
.rb-check{width:26px;height:26px;border:2px solid var(--steel-2);border-radius:5px;background:#fff;display:grid;place-items:center;transition:all .2s}
.robot-box input:checked+.rb-check{background:var(--red);border-color:var(--red)}
.robot-box input:checked+.rb-check::after{content:"";width:7px;height:13px;border:solid #fff;border-width:0 3px 3px 0;transform:rotate(45deg) translate(-1px,-1px)}
.robot-box input:focus-visible+.rb-check{outline:2px solid var(--red);outline-offset:2px}
.rb-mark{width:26px;height:26px;margin-inline-start:auto}
.robot-box.bad{border-color:var(--red)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--muted);line-height:1.7}
.consent input{margin-top:5px;width:18px;height:18px;accent-color:var(--red);flex:0 0 18px}
.consent a{color:var(--red);text-decoration:underline}
.consent.bad{color:var(--red)}
.form .btn{align-self:flex-start}
.fine{font-size:.82rem;color:var(--muted)}
.form-msg{padding:14px 16px;border-radius:8px;font-weight:600;font-size:.95rem}
.form-msg.ok{background:#EAF6EC;color:#1E6B2E}
.form-msg.err{background:#FFF0EC;color:var(--red-deep)}
.form-msg.info{background:var(--paper)}

/* legal */
.legal{background:var(--paper)}
.legal-wrap{max-width:860px;background:#fff;border-radius:var(--radius);padding:clamp(28px,5vw,64px);box-shadow:0 30px 60px -50px rgba(0,0,0,.4)}
.legal-block{display:none}
html[lang="fa"] [data-lang-block="fa"],html[lang="en"] [data-lang-block="en"]{display:block}
.legal h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:6px}
.legal-sub{color:var(--steel);margin-bottom:28px}
.legal h2{font-size:1.15rem;margin:34px 0 10px;padding-top:22px;border-top:1px solid var(--line)}
html[lang="en"] .legal h2{font-family:var(--en);font-weight:600;letter-spacing:0}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-inline-start:20px;display:grid;gap:8px}
.legal a{color:var(--red);text-decoration:underline}
.anchor-cookies{scroll-margin-top:calc(var(--header-h) + 24px)}
section[id]{scroll-margin-top:var(--header-h)}

/* 404 */
.nf{min-height:60vh;display:grid;align-content:center;text-align:center}
.nf .wrap{display:flex;flex-direction:column;align-items:center;gap:16px}
.nf h1{font-size:clamp(2rem,5vw,3.4rem)}
.nf p{color:var(--muted);margin-bottom:10px}

/* cookie notice */
.cookie{position:fixed;inset-inline-end:24px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:80;width:min(520px,calc(100% - 48px));transform:translateY(24px);opacity:0;transition:transform .45s var(--ease),opacity .45s}
.cookie.show{transform:none;opacity:1}
.cookie-in{display:flex;flex-wrap:wrap;gap:12px 16px;padding:18px 20px;border-radius:12px;background:rgba(24,22,21,.96);color:var(--on-dark);box-shadow:0 30px 60px -30px rgba(0,0,0,.7);border-top:3px solid var(--red)}
.cookie-txt{flex:1 1 100%}
.cookie-txt b{display:block;color:#fff;margin-bottom:4px}
.cookie-txt p{font-size:.88rem;color:var(--on-dark-muted);line-height:1.7}
.cookie-act{display:flex;align-items:center;justify-content:flex-end;gap:18px;width:100%}
.cookie-act .text-link{color:#fff;font-size:.85rem}
@media (max-width:600px){.cookie{inset-inline:16px;width:auto}}

/* ---------- motion: rise, tilt, parallax ---------- */
html.js .rise{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.js .rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .rise{opacity:1;transform:none;transition:none}}
.tilt{transform-style:preserve-3d;will-change:transform;transition:transform .6s var(--ease)}
.tilt.tilting{transition:transform .08s linear}
.tilt .shine{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at var(--sx,50%) var(--sy,50%),rgba(255,255,255,.22),transparent 55%);opacity:0;transition:opacity .4s;z-index:2}
.tilt.tilting .shine{opacity:1}
.para{will-change:transform}

.robot-box.checking .rb-check{border-color:var(--red);border-top-color:transparent;border-radius:50%;animation:rbspin .7s linear infinite}
.robot-box.ok{border-color:var(--red)}
@keyframes rbspin{to{transform:rotate(360deg)}}