/*
Theme Name: Shahab Portfolio
Theme URI: https://nasreven.ir
Author: Shahab Pourfarhani
Description: قالب پورتفولیو و رزومه شهاب پورفرحانی (فارسی/انگلیسی). به همراه افزونه Shahab Core.
Version: 1.0.0
Text Domain: shahab-portfolio
*/
/* ==========================================================
   SHAHAB POURFARHANI — Portfolio
   Dark / neon · black + white + lime · RTL & LTR (logical props)
   ========================================================== */
:root{
  --bg:#06070a;--bg2:#0b0d11;--card:#0f1217;--line:rgba(255,255,255,.1);
  --text:#f5f7f0;--mut:#9aa29b;--lime:#c8ff2e;--r:22px;
  --en:'Space Grotesk','Vazirmatn',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --fa:'Vazirmatn','Segoe UI',Tahoma,system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--en);line-height:1.65;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;overflow-x:hidden}
html[lang=fa] body{font-family:var(--fa);line-height:1.95}
html[lang=fa] *{letter-spacing:0!important}
html[lang=fa] .brand{letter-spacing:.16em!important}
html[lang=fa] .eyebrow.latin-ls{letter-spacing:.2em!important}
html.pending body>*:not(.pt){opacity:0}
body>*{transition:opacity .3s}
body.lock{overflow:hidden}
img,svg,canvas,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
h1,h2,h3,h4,p,ul{margin:0}
ul{padding:0;list-style:none}
::selection{background:var(--lime);color:#000}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
main{flex:1}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.latin{font-family:var(--en);direction:ltr;unicode-bidi:isolate}
.mut{color:var(--mut)}
.skip{position:fixed;top:-70px;inset-inline-start:12px;z-index:400;background:var(--lime);color:#000;padding:10px 16px;border-radius:12px;font-weight:600}
.skip:focus{top:12px}

/* ---------- background ---------- */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(620px circle at var(--mx,72%) var(--my,18%),rgba(200,255,46,.11),transparent 60%),
  radial-gradient(900px 520px at 8% 100%,rgba(200,255,46,.05),transparent 60%),var(--bg)}
.bg::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;opacity:.55;
  -webkit-mask-image:radial-gradient(ellipse at 50% 25%,#000 5%,transparent 72%);mask-image:radial-gradient(ellipse at 50% 25%,#000 5%,transparent 72%)}
.bg::after{content:"";position:absolute;inset:0;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
.prog{position:fixed;top:0;inset-inline:0;height:2px;background:var(--lime);box-shadow:0 0 12px var(--lime);transform:scaleX(0);transform-origin:left;z-index:120}
html[dir=rtl] .prog{transform-origin:right}

/* ---------- page transition ---------- */
.pt{position:fixed;inset:0;z-index:500;background:var(--lime);color:#000;display:grid;place-items:center;font-weight:700;font-size:clamp(3rem,10vw,7rem);letter-spacing:.1em;
  transform:translateY(101%);pointer-events:none;animation:ptOut .85s .05s cubic-bezier(.77,0,.18,1) both}
.pt.leave{animation:ptIn .5s cubic-bezier(.77,0,.18,1) forwards;pointer-events:auto}
@keyframes ptOut{from{transform:none}to{transform:translateY(-101%)}}
@keyframes ptIn{from{transform:translateY(101%)}to{transform:none}}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;inset-inline:0;z-index:100}
.hdr::before{content:"";position:absolute;inset:0;background:rgba(6,7,10,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);opacity:0;transition:opacity .3s}
.hdr.sc::before{opacity:1}
.hbar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--en);font-weight:700;font-size:.86rem;letter-spacing:.16em;white-space:nowrap;position:relative;z-index:3;direction:ltr}
.brand i{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 14px var(--lime);animation:pulse 2.2s infinite}
@keyframes pulse{50%{transform:scale(1.5);opacity:.6}}
.hdr-r{display:flex;align-items:center;gap:10px;position:relative;z-index:3}
.nav{display:flex;gap:4px;align-items:center}
.nav a{padding:8px 15px;border-radius:99px;font-size:.92rem;color:var(--mut);transition:color .25s,background .25s}
.nav a:hover{color:var(--text)}
.nav a.on{color:#000;background:var(--lime);font-weight:600}
.lang{display:flex;gap:2px;border:1px solid var(--line);border-radius:99px;padding:3px;font-size:.8rem}
.lang b{padding:5px 11px;border-radius:99px;color:var(--mut);font-weight:600;transition:.25s}
.lang b.act{background:var(--lime);color:#000}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;place-items:center;align-content:center;gap:6px}
.burger span{display:block;width:18px;height:2px;background:var(--text);transition:transform .3s}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media(max-width:960px){
  .burger{display:grid}
  .nav{position:fixed;inset:0;z-index:2;flex-direction:column;justify-content:center;gap:10px;background:rgba(6,7,10,.97);transform:translateY(-100%);visibility:hidden;transition:transform .55s var(--ease),visibility .55s}
  .nav.open{transform:none;visibility:visible}
  .nav a{font-size:1.7rem;padding:10px 24px}
}

/* ---------- type & buttons ---------- */
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--lime);font-size:.82rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--lime)}
.big{font-size:clamp(3rem,9vw,6.6rem);line-height:1.05;font-weight:700;letter-spacing:-.03em}
html[lang=fa] .big{line-height:1.3}
.h1{font-size:clamp(2.2rem,5.6vw,4.2rem);line-height:1.1;font-weight:700;letter-spacing:-.02em;margin:14px 0 18px}
.h2{font-size:clamp(1.8rem,4.2vw,3rem);line-height:1.15;font-weight:700;letter-spacing:-.02em;margin:12px 0 0}
html[lang=fa] .h1,html[lang=fa] .h2{line-height:1.45}
.lead{color:var(--mut);font-size:clamp(1rem,1.5vw,1.15rem);max-width:60ch}
.grad{background:linear-gradient(100deg,var(--lime),#f2ffb8 60%,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:99px;font-weight:600;border:1px solid var(--line);background:rgba(255,255,255,.03);transition:transform .3s var(--ease),background .3s,box-shadow .3s,border-color .3s,color .3s}
.btn:hover{border-color:var(--lime);box-shadow:0 0 30px rgba(200,255,46,.22)}
.btn.pri{background:var(--lime);color:#000;border-color:var(--lime)}
.btn.pri:hover{box-shadow:0 0 44px rgba(200,255,46,.55)}
.btn[hidden]{display:none}
.arr{display:inline-block;font-style:normal;transition:transform .3s var(--ease)}
.arr::before{content:"→"}
html[dir=rtl] .arr{transform:scaleX(-1)}
.btn:hover .arr{transform:translateX(5px)}
html[dir=rtl] .btn:hover .arr{transform:scaleX(-1) translateX(5px)}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.tag{display:inline-block;padding:4px 12px;border:1px solid var(--line);border-radius:99px;font-size:.76rem;color:var(--mut)}
.tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- sections & cards ---------- */
.sec{padding:clamp(54px,9vw,108px) 0}
.card{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,32px);transition:border-color .3s,transform .25s var(--ease)}
.card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .35s;background:radial-gradient(320px circle at var(--gx,50%) var(--gy,0%),rgba(200,255,46,.15),transparent 60%)}
.card:hover{border-color:rgba(200,255,46,.45)}
.card:hover::after{opacity:1}
.tilt{will-change:transform}
.rv{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.14em;margin-bottom:-.14em}
.split .w>span{display:inline-block;transform:translateY(112%);transition:transform .9s var(--ease);transition-delay:calc(var(--i)*55ms)}
.split.in .w>span{transform:none}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:40px}

/* ---------- hero ---------- */
.hero{min-height:100vh;min-height:100svh;display:grid;align-items:center;padding:110px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.hero .big{margin:18px 0 6px}
.big .ln{display:block;overflow:hidden;padding-block:.04em}
.big .ln>span{display:inline-block;transform:translateY(112%);animation:up 1.1s var(--ease) .8s forwards}
.big .ln:nth-child(2)>span{animation-delay:.95s}
@keyframes up{to{transform:none}}
.rolebar{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;font-size:clamp(1.1rem,2.2vw,1.55rem);margin:18px 0 20px}
.rolebar>span:first-child{color:var(--mut)}
#roles{display:inline-block;color:var(--lime);font-weight:600;transition:opacity .3s,transform .3s}
#roles.out{opacity:0;transform:translateY(-40%)}
.hero-art{position:relative;aspect-ratio:1;width:min(100%,600px);justify-self:center}
.hero-art.sm{width:min(100%,380px)}
.ring{position:absolute;inset:7%;border-radius:50%;border:1px dashed rgba(255,255,255,.15);animation:spin 40s linear infinite;pointer-events:none}
.ring.r2{inset:0;border-color:rgba(200,255,46,.25);animation-duration:64s;animation-direction:reverse}
.scene3d{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:pan-y}
.hint{position:absolute;inset-inline:0;bottom:-4px;text-align:center;font-size:.78rem;color:var(--mut);pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:900px){
  .hero{padding-top:96px}
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{order:-1;width:min(80%,360px)}
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:var(--bg2);padding:clamp(20px,3vw,34px) clamp(16px,2.4vw,26px)}
.stat b{display:block;font-family:'Space Grotesk','Vazirmatn',sans-serif;font-size:clamp(2.4rem,5.2vw,3.8rem);line-height:1.1;color:var(--lime);font-weight:700}
.stat span{color:var(--mut);font-size:.92rem;display:block;margin-top:6px}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- marquee ---------- */
.marq{overflow:hidden;border-block:1px solid var(--line);padding:20px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marq-track{display:flex;width:max-content;animation:marq 38s linear infinite}
html[dir=rtl] .marq-track{animation-name:marqR}
.marq:hover .marq-track{animation-play-state:paused}
.marq span{display:flex;align-items:center;gap:48px;padding-inline-end:48px;white-space:nowrap;font-size:clamp(1.3rem,3vw,2.3rem);font-weight:600;color:#fff;opacity:.9}
.marq span:nth-child(even){color:var(--lime)}
.marq span::after{content:"✦";font-size:.6em;color:var(--lime)}
@keyframes marq{to{transform:translateX(-50%)}}
@keyframes marqR{to{transform:translateX(50%)}}

/* ---------- explore cards ---------- */
.xgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:40px}
.xc{display:flex;flex-direction:column;gap:10px;min-height:210px}
.xc .num{color:var(--lime);font-weight:600;font-size:.9rem}
.xc h3{font-size:1.5rem;margin-top:auto}
.xc p{color:var(--mut);font-size:.95rem}
.xc .go{position:absolute;top:22px;inset-inline-end:24px;font-style:normal;font-size:1.4rem;color:var(--mut);transition:transform .35s var(--ease),color .3s}
.xc:hover .go{transform:translate(4px,-4px);color:var(--lime)}
html[dir=rtl] .xc:hover .go{transform:translate(-4px,-4px)}
.band{text-align:center;background:radial-gradient(640px 240px at 50% 0,rgba(200,255,46,.2),transparent 70%),var(--card);padding:clamp(34px,6vw,76px)}
.band .lead{margin:14px auto 0}
.band .cta{justify-content:center}

/* ---------- sub-page hero ---------- */
.phero{padding:clamp(120px,16vw,170px) 0 clamp(20px,4vw,40px)}
.p2{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
@media(max-width:900px){.p2{grid-template-columns:1fr}.p2 .hero-art{order:-1;width:min(60%,280px)}}

/* ---------- skills explorer ---------- */
.skx{display:grid;grid-template-columns:330px 1fr;gap:20px;margin-top:40px}
.skx-tabs{display:flex;flex-direction:column;gap:10px}
.sk-tab,.tab{display:flex;align-items:center;gap:14px;text-align:start;padding:16px 18px;border:1px solid var(--line);border-radius:18px;font-weight:600;transition:border-color .3s,background .3s,color .3s}
.sk-tab:hover,.tab:hover{border-color:rgba(200,255,46,.5)}
.sk-tab[aria-selected=true],.tab[aria-selected=true]{border-color:var(--lime);background:rgba(200,255,46,.08);color:var(--lime)}
.ico{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.05);flex:none}
.ico svg{width:22px;height:22px}
.skx-panel{display:grid;grid-template-rows:1fr auto;gap:10px;min-height:400px}
.vis{display:grid;place-items:center;min-height:240px}
.vis svg{width:100%;height:auto;max-height:290px}
.skx-info h3{font-size:1.6rem;margin-bottom:6px}
.skx-info p{color:var(--mut);max-width:62ch;margin-bottom:18px}
.swap{animation:swap .55s var(--ease)}
@keyframes swap{from{opacity:0;transform:translateY(14px)}}
.vA{fill:none;stroke:var(--lime);stroke-width:2;stroke-dasharray:6 10;transform-box:fill-box;transform-origin:center;animation:spin 14s linear infinite}
.vB{transform-box:fill-box;transform-origin:center;animation:flt 4s ease-in-out infinite alternate}
.vC{transform-box:fill-box;transform-origin:center;animation:spin 9s linear infinite reverse}
.vD{animation:pulse 2s infinite;transform-box:fill-box;transform-origin:center}
@keyframes flt{from{transform:translateY(-14px) rotate(-6deg)}to{transform:translateY(14px) rotate(6deg)}}
.vPlay{animation:scan 5s linear infinite}
@keyframes scan{from{transform:translateX(0)}to{transform:translateX(296px)}}
.vbar{transform-box:fill-box;transform-origin:center;animation:bar 1.2s ease-in-out infinite alternate}
@keyframes bar{from{transform:scaleY(.15)}to{transform:scaleY(1)}}
@media(max-width:860px){
  .skx{grid-template-columns:1fr}
  .skx-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .skx-tabs::-webkit-scrollbar{display:none}
  .sk-tab{white-space:nowrap;flex:none}
}

/* ---------- services ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tab{padding:12px 20px}
.tab .ico{width:34px;height:34px;border-radius:10px}
.tab .ico svg{width:18px;height:18px}
.grp[hidden]{display:none}
.svgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:26px}
.svc{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 24px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025);font-weight:600;transition:border-color .3s,background .3s,transform .3s var(--ease)}
.svc i{font-style:normal;color:var(--mut);transition:transform .3s var(--ease),color .3s}
.svc:hover{border-color:var(--lime);background:rgba(200,255,46,.07);transform:translateY(-3px)}
.svc:hover i{color:var(--lime);transform:translate(3px,-3px)}
html[dir=rtl] .svc:hover i{transform:translate(-3px,-3px)}

/* ---------- timeline ---------- */
.tl{position:relative;display:grid;gap:16px;padding-inline-start:38px;margin-top:40px}
.tl::before{content:"";position:absolute;top:10px;bottom:10px;inset-inline-start:9px;width:2px;background:linear-gradient(var(--lime),transparent)}
.tli{position:relative;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.03);transition:border-color .3s}
.tli::before{content:"";position:absolute;top:30px;inset-inline-start:-38px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:2px solid var(--lime);box-shadow:0 0 16px rgba(200,255,46,.5)}
.tli:hover,.tli.open{border-color:rgba(200,255,46,.5)}
.tli-h{display:grid;grid-template-columns:1fr auto;gap:2px 16px;width:100%;text-align:start;padding:22px 26px}
.tli-h .date{color:var(--lime);font-weight:600;font-size:.88rem;grid-column:1}
.tli-h .role{font-size:clamp(1.2rem,2.4vw,1.6rem);font-weight:700;grid-column:1}
.tli-h .org{color:var(--mut);grid-column:1}
.plus{grid-column:2;grid-row:1/4;align-self:center;position:relative;width:34px;height:34px;border:1px solid var(--line);border-radius:50%}
.plus::before,.plus::after{content:"";position:absolute;top:50%;left:50%;width:12px;height:2px;background:var(--lime);transform:translate(-50%,-50%);transition:transform .35s var(--ease)}
.plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.tli.open .plus::after{transform:translate(-50%,-50%) rotate(0)}
.badge{display:inline-block;margin-inline-start:10px;padding:2px 10px;border-radius:99px;background:var(--lime);color:#000;font-size:.72rem;font-style:normal;font-weight:700}
.more{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
.more>div{overflow:hidden}
.more p{padding:0 26px 24px;color:var(--mut);max-width:70ch}
.tli.open .more{grid-template-rows:1fr}
.ach{display:flex;flex-direction:column;gap:12px;min-height:200px}
.ach b{font-family:'Space Grotesk','Vazirmatn',sans-serif;font-size:clamp(2.6rem,5vw,3.6rem);line-height:1.1;color:var(--lime)}
.ach .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(200,255,46,.1);color:var(--lime)}
.ach .ic svg{width:24px;height:24px}
.ach p{font-size:1.02rem}

/* ---------- portfolio ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 28px}
.chip{padding:10px 20px;border:1px solid var(--line);border-radius:99px;font-weight:500;transition:all .3s}
.chip:hover{border-color:var(--lime)}
.chip[aria-pressed=true]{background:var(--lime);color:#000;border-color:var(--lime);font-weight:600}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:18px}
.pcard{padding:0;cursor:pointer;animation:pop .6s var(--ease) backwards}
@keyframes pop{from{opacity:0;transform:translateY(26px) scale(.97)}}
.pc-b{padding:18px 22px 24px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.pc-b h3{font-size:1.15rem;line-height:1.4}
.art{position:relative;aspect-ratio:4/3;overflow:hidden;isolation:isolate;background:radial-gradient(circle at var(--x,50%) var(--y,50%),rgba(200,255,46,.26),transparent 56%),#090b0e}
.art::before{content:"";position:absolute;inset:-35%;z-index:-1;filter:blur(26px);animation:spin 20s linear infinite;
  background:conic-gradient(from var(--a,0deg),transparent 0 20%,rgba(200,255,46,.34) 30%,transparent 42%,rgba(255,255,255,.16) 60%,transparent 76%)}
.art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sh{position:absolute;left:50%;top:50%;width:46%;aspect-ratio:1;transform:translate(-50%,-50%);border:1.5px solid var(--lime);box-shadow:0 0 34px rgba(200,255,46,.35),inset 0 0 30px rgba(200,255,46,.14);transition:transform .9s var(--ease)}
.s1 .sh{border-radius:50%}
.s2 .sh{border-radius:18%;transform:translate(-50%,-50%) rotate(45deg)}
.s3 .sh{border-radius:50% 0 50% 0}
.card:hover .sh,.lb-media .sh{transform:translate(-50%,-50%) rotate(90deg) scale(1.12)}
.soon{position:absolute;bottom:14px;inset-inline-start:14px;padding:6px 13px;border-radius:99px;font-size:.74rem;background:rgba(0,0,0,.62);border:1px solid var(--line);color:var(--text)}
.lb{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:16px;background:rgba(0,0,0,.84);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lb.open{opacity:1;visibility:visible}
.lb-box{position:relative;width:min(1000px,100%);max-height:92vh;overflow:auto;display:grid;grid-template-columns:1.25fr 1fr;border:1px solid var(--line);border-radius:26px;background:var(--bg2);transform:translateY(26px) scale(.97);transition:transform .5s var(--ease)}
.lb.open .lb-box{transform:none}
.lb-media{position:relative;min-height:320px;background:#000}
.lb-media .art{position:absolute;inset:0;aspect-ratio:auto}
.lb-media video,.lb-media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lb-info{padding:clamp(22px,4vw,40px);display:flex;flex-direction:column;gap:14px;justify-content:center;align-items:flex-start}
.lb-info h3{font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.3}
.lb-info p{color:var(--mut)}
.lb-x{position:absolute;top:14px;inset-inline-end:14px;z-index:3;width:42px;height:42px;border-radius:50%;background:rgba(0,0,0,.65);border:1px solid var(--line);font-size:1.1rem;transition:border-color .3s}
.lb-x:hover{border-color:var(--lime)}
.lb-nav{display:flex;align-items:center;gap:10px;margin-top:6px;color:var(--mut);font-size:.9rem}
.lb-nav button{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);transition:border-color .3s}
.lb-nav button:hover{border-color:var(--lime)}
.lb-nav .p::before{content:"←"}.lb-nav .n::before{content:"→"}
html[dir=rtl] .lb-nav button::before{display:inline-block;transform:scaleX(-1)}
@media(max-width:760px){.lb-box{grid-template-columns:1fr}.lb-media{min-height:230px}}

/* ---------- contact ---------- */
.cgrid{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;margin-top:40px;align-items:start}
@media(max-width:900px){.cgrid{grid-template-columns:1fr}}
.mailbox{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.mailbox .addr{font-size:clamp(1.05rem,2.6vw,1.45rem);font-weight:600;word-break:break-all;color:var(--lime)}
.row{display:flex;flex-wrap:wrap;gap:10px}
.links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.links a{padding:6px 14px;border:1px solid var(--line);border-radius:99px;font-size:.85rem;color:var(--mut);transition:.3s}
.links a:hover{color:#000;background:var(--lime);border-color:var(--lime)}
.fld{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.fld label,.fld .lbl{font-size:.88rem;color:var(--mut)}
.fld input,.fld textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--text);font:inherit;transition:border-color .3s,box-shadow .3s}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,255,46,.12)}
.fld textarea{min-height:150px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.two{grid-template-columns:1fr}}
.note{font-size:.84rem;color:var(--mut);margin-top:14px}
.toast{position:fixed;left:50%;bottom:28px;z-index:600;transform:translate(-50%,30px);opacity:0;padding:12px 24px;border-radius:99px;background:var(--lime);color:#000;font-weight:600;transition:transform .4s var(--ease),opacity .4s;pointer-events:none;max-width:90vw;text-align:center}
.toast.show{transform:translate(-50%,0);opacity:1}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--line);padding:56px 0 28px;margin-top:40px;background:linear-gradient(180deg,transparent,rgba(200,255,46,.03))}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:30px}
.fgrid h4{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--lime);margin-bottom:14px}
.fgrid ul{display:grid;gap:8px}
.fgrid li a,.fgrid>div>a:not(.brand){color:var(--mut);transition:color .25s}
.fgrid li a:hover,.fgrid li a.on,.fgrid>div>a:not(.brand):hover{color:var(--lime)}
.fgrid .brand{margin-bottom:12px}
.copy{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--mut);font-size:.85rem}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}

/* ---------- custom cursor ---------- */
.cur{position:fixed;top:0;left:0;z-index:700;pointer-events:none}
.cur-dot{width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--lime)}
.cur-ring{width:38px;height:38px;margin:-19px 0 0 -19px;border:1px solid rgba(200,255,46,.7);border-radius:50%;transition:width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),background .3s,opacity .3s}
.cur-ring.hov{width:64px;height:64px;margin:-32px 0 0 -32px;background:rgba(200,255,46,.1)}
.cur-ring.hide{opacity:0}
@media(hover:none),(pointer:coarse){.cur{display:none}}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
  .split .w>span,.big .ln>span{transform:none}
  .marq-track{animation:none}
}

/* small phones: keep header on one line */
@media(max-width:480px){
  .hbar{gap:8px}
  .brand,html[lang=fa] .brand{font-size:.68rem;letter-spacing:.06em!important;gap:7px}
  .lang b{padding:5px 8px}
  .hdr-r{gap:6px}
  .burger{width:40px;height:40px}
}


/* ================= v2: bilingual text, icons, drawer menu, request page ================= */
html[lang=fa] .l-en{display:none!important}
html[lang=en] .l-fa{display:none!important}
.ico svg{width:22px;height:22px;display:block}
.sk-tab .ico svg,.tab .ico svg{width:20px;height:20px}
.tab{display:inline-flex;align-items:center;gap:8px}
.hp{position:absolute!important;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden;opacity:0}
.hdr-r{position:relative;z-index:300}
.rq-service{margin-top:18px;color:var(--mut);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.rq-service b{color:var(--lime)}
.rq-form{display:grid;gap:18px}
.rq-form .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rq-big{min-height:200px}
.rq-err{color:#ff8a80;border:1px solid rgba(255,138,128,.4);padding:12px 16px;border-radius:14px}
.rq-done{text-align:center;padding:56px 24px}
.rq-done svg{width:96px;height:96px;margin:0 auto 22px;display:block}
.rq-done .c{stroke:var(--lime);stroke-width:3;fill:none;stroke-dasharray:280;stroke-dashoffset:280;animation:spDraw 1s var(--ease) forwards}
.rq-done .k{stroke:var(--lime);stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60;animation:spDraw .6s .9s var(--ease) forwards}
@keyframes spDraw{to{stroke-dashoffset:0}}
.rq-done h3{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:10px}
@media(max-width:640px){.rq-form .two{grid-template-columns:1fr}}
/* Mobile menu: a side drawer that slides in from the edge and can be closed */
@media(max-width:960px){
  .nav{position:fixed;top:0;bottom:0;inset-inline-end:0;inset-inline-start:auto;width:min(360px,88vw);height:100dvh;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:104px 26px 36px;background:linear-gradient(180deg,#0d0f13,#06070a);border-inline-start:1px solid var(--line);box-shadow:-30px 0 80px rgba(0,0,0,.6);transform:translateX(105%);visibility:hidden;transition:transform .55s var(--ease),visibility .55s;z-index:200}
  html[dir=ltr] .nav{transform:translateX(-105%)}
  .nav.open{transform:none;visibility:visible}
  .nav a{font-size:1.1rem;padding:18px 4px;border-bottom:1px solid var(--line);border-radius:0;display:flex;justify-content:space-between;align-items:center;color:var(--text);background:none}
  .nav a::after{content:"›";color:var(--lime);font-size:1.4rem;opacity:.8}
  .nav a.on{color:var(--lime);font-weight:700}
  .nav a:hover{color:var(--lime);padding-inline-start:10px}
  .nav::before{content:"منو";position:absolute;top:34px;inset-inline-start:26px;font-size:.8rem;letter-spacing:.2em;color:var(--mut)}
  html[lang=en] .nav::before{content:"Menu"}
  .hdr-r{z-index:300}
}