:root{
  --bg:#0f0e0c;
  --bg2:#161411;
  --line:rgba(245,240,232,.1);
  --ink:#f2ede4;
  --muted:#9d968a;
  --accent:#c8a06b;
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:'Vazirmatn',Tahoma,sans-serif;
  background:var(--bg);color:var(--ink);
  line-height:1.9;font-weight:300;
  -webkit-font-smoothing:antialiased;
  text-size-adjust:100%;-webkit-text-size-adjust:100%;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;-webkit-tap-highlight-color:transparent}
a{-webkit-tap-highlight-color:transparent}

/* ---------- header ---------- */
.top{
  position:sticky;top:0;z-index:40;
  background:linear-gradient(to bottom,rgba(15,14,12,.96) 55%,rgba(15,14,12,.82));
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.top-in{
  max-width:var(--max);margin:0 auto;padding:16px 28px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:12px;line-height:1.4;justify-self:start}
.logo-ic{width:30px;height:30px;color:var(--accent);flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.35}
.logo-fa{font-weight:500;font-size:17px;letter-spacing:.2px}
.logo-en{display:block;font-size:9px;letter-spacing:3px;color:var(--muted);font-weight:300;text-transform:uppercase}
.top-nav{display:flex;gap:6px;justify-self:center}
.top-nav a{
  position:relative;color:var(--muted);font-size:13.5px;padding:8px 14px;font-weight:300;
  transition:color .25s;
}
.top-nav a::after{
  content:"";position:absolute;inset-inline:14px;bottom:2px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .3s;
}
.top-nav a:hover{color:var(--ink)}
.top-nav a:hover::after,.top-nav a.active::after{transform:scaleX(1)}
.top-nav a.active{color:var(--ink);font-weight:400}
.top-spacer{justify-self:end}
.lang-btn{
  justify-self:end;
  background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:9px;padding:9px 15px;font-size:12.5px;letter-spacing:1.5px;
  cursor:pointer;font-family:inherit;line-height:1;font-weight:400;
  transition:.25s;display:inline-flex;align-items:center;gap:6px;
}
.lang-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(200,160,107,.07)}

/* ---------- footer ---------- */
footer{margin-top:96px;border-top:1px solid var(--line);background:rgba(255,255,255,.015)}
.foot-in{max-width:var(--max);margin:0 auto;padding:54px 28px 0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px}
.foot-logo{margin-bottom:14px}
.foot-bio{font-size:13.5px;color:var(--muted);max-width:320px;line-height:2}
.foot-col h5{
  font-size:11px;letter-spacing:3px;color:var(--accent);font-weight:400;
  margin-bottom:14px;
}
.foot-col a:not(.soc){display:block;font-size:13.5px;color:var(--muted);padding:5px 0;transition:.25s}
.foot-col a:not(.soc):hover{color:var(--ink);transform:translateX(-4px)}
.socials{display:flex;gap:10px;flex-wrap:wrap}
.soc{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  background:var(--bg2);transition:.3s;
}
.soc svg{width:20px;height:20px;flex:none}
.soc:hover{color:var(--accent);border-color:rgba(200,160,107,.5);transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.35)}
.foot-bar{
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  padding:18px 0;font-size:12.5px;color:var(--muted);
}
.f-domain{letter-spacing:2px}

/* ---------- hero ---------- */
.hero{max-width:var(--max);margin:0 auto;padding:96px 28px 30px;text-align:center}
.hero-kicker{font-size:12px;letter-spacing:6px;color:var(--accent);margin-bottom:14px}
.hero h1{font-size:clamp(28px,5.2vw,54px);font-weight:700;line-height:1.6}
.hero h1 em{font-style:normal;color:var(--accent);position:relative;white-space:nowrap}
.hero-sub{color:var(--muted);max-width:520px;margin:14px auto 0;font-size:14px}

/* ---------- featured strip ---------- */
.featured{
  max-width:var(--max);margin:34px auto 0;padding:0 28px;
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;
}
.featured figure{overflow:hidden;border-radius:6px;aspect-ratio:4/5;background:var(--bg2)}
.featured img{width:100%;height:100%;object-fit:cover;--pz:1;transform:translate3d(0,var(--py,0),0) scale(var(--pz));transition:--pz .9s cubic-bezier(.2,.6,.2,1),filter .6s;filter:saturate(.94);will-change:transform}
.featured figure:hover img{--pz:1.05;filter:saturate(1.05)}
.featured figure:nth-child(2){transform:translateY(26px)}

/* ---------- sections ---------- */
.section{max-width:var(--max);margin:0 auto;padding:90px 28px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.section h2{font-size:clamp(22px,3vw,30px);font-weight:700}
.kicker{font-size:11.5px;letter-spacing:5px;color:var(--accent);margin-bottom:8px}

/* ---------- filters ---------- */
.filters{display:flex;gap:8px}
.chip{
  background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:999px;padding:8px 22px;font-size:13px;cursor:pointer;
  transition:.25s;
}
.chip:hover{border-color:var(--accent);color:var(--ink)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#16130d;font-weight:500}

/* ---------- masonry ---------- */
.masonry{columns:3;column-gap:18px}
.m-item{
  break-inside:avoid;margin-bottom:18px;position:relative;
  border-radius:6px;overflow:hidden;background:var(--bg2);
  cursor:zoom-in;
}
.m-item img{width:100%;--pz:1.12;transform:translate3d(0,var(--py,0),0) scale(var(--pz));transition:--pz .7s cubic-bezier(.2,.6,.2,1),filter .5s,opacity .7s;filter:saturate(.94);will-change:transform;opacity:0}
.m-item img.lo{opacity:1}
.m-item::after{
  content:attr(data-title);
  position:absolute;inset:auto 0 0 0;padding:38px 14px 12px;
  background:linear-gradient(to top,rgba(10,9,7,.78),transparent);
  color:var(--ink);font-size:13px;text-align:right;opacity:0;transform:translateY(8px);
  transition:.35s;
}
.m-item:hover img{--pz:1.17;filter:saturate(1.06)}
.m-item:hover::after{opacity:1;transform:none}
.empty{text-align:center;color:var(--muted);font-size:13.5px;padding:40px 0;border-top:1px dashed var(--line)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:56px;align-items:center;margin-top:30px}
.about-photo{position:relative}
.about-photo::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--accent);border-radius:6px;opacity:.5}
.about-photo img{border-radius:6px;aspect-ratio:4/5;object-fit:cover;width:100%;position:relative;background:var(--bg2);transform:translate3d(0,var(--py,0),0) scale(1.06);will-change:transform}
.about-text h2{margin:4px 0 14px;font-size:clamp(22px,3vw,30px);font-weight:700}
.bio{color:#cdc6ba;font-size:15px}
.about-points{list-style:none;margin-top:22px}
.about-points li{padding:10px 0;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);display:flex;gap:10px;line-height:1.9}
.about-points li::before{content:"•";color:var(--accent);font-weight:700}
.about-points li b{color:var(--ink);font-weight:500}

/* ---------- contact ---------- */
.contact h2{margin-bottom:8px}
.contact-sub{color:var(--muted);max-width:560px;font-size:14px;margin-top:2px}
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.ccard{
  border:1px solid var(--line);border-radius:10px;padding:22px 18px;
  display:flex;flex-direction:column;gap:6px;background:var(--bg2);
  transition:border-color .3s,transform .3s;
}
.ccard:hover{border-color:var(--accent);transform:translateY(-3px)}
.c-label{font-size:11.5px;letter-spacing:2px;color:var(--muted)}
.c-value{font-size:14px;direction:ltr;text-align:right}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:100;
  background:rgba(8,7,5,.94);backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s;padding:60px 70px;
}
.lightbox.open{opacity:1}
.lightbox[hidden]{display:none}
.lb-stage{max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:12px}
.lb-stage img{max-width:100%;max-height:calc(100vh - 150px);object-fit:contain;border-radius:4px;box-shadow:0 30px 80px rgba(0,0,0,.55)}
.lightbox figcaption{color:var(--muted);font-size:13px}
.lb-close,.lb-nav{
  position:fixed;z-index:101;background:none;border:none;color:var(--ink);
  cursor:pointer;opacity:.6;transition:.25s;line-height:1;
}
.lb-close:hover,.lb-nav:hover{opacity:1;color:var(--accent)}
.lb-close{top:22px;left:26px;font-size:40px}
.lb-nav{top:50%;transform:translateY(-50%);font-size:52px}
.lb-prev{left:10px}
.lb-next{right:10px}
body.lb-lock{overflow:hidden}

/* ---------- scroll effects ---------- */
@property --pz{syntax:'<number>';inherits:false;initial-value:1}

/* ورود پلکانی آیتم‌های گالری (فقط وقتی JS فعال است — data-fx) */
.masonry[data-fx] .m-item{transition:opacity .8s cubic-bezier(.2,.6,.2,1),filter .8s cubic-bezier(.2,.6,.2,1)}
.masonry[data-fx] .m-item:not(.in){opacity:0;filter:blur(7px)}

/* نوار پیشرفت اسکرول */
.pbar{
  position:fixed;top:0;right:0;height:2px;z-index:60;pointer-events:none;
  width:calc(var(--spb,0)*100%);
  background:linear-gradient(90deg,rgba(200,160,107,.15),var(--accent));
  box-shadow:0 0 12px rgba(200,160,107,.55);
}

/* باز شدن لایت‌باکس با زوم و شفافیت */
.lb-stage{transition:transform .45s cubic-bezier(.2,.6,.2,1),opacity .35s}
.lightbox:not(.open) .lb-stage{transform:scale(.95) translateY(14px);opacity:.25}

/* ---------- حالت انگلیسی (LTR) ---------- */
[dir="ltr"] .m-item::after{text-align:left}
[dir="ltr"] .foot-col a:not(.soc):hover{transform:translateX(4px)}
[dir="ltr"] .c-value{text-align:left}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.reveal.on{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1024px){ /* تبلت افقی / دسکتاپ کوچک */
  .top-in{padding:14px 22px}
  .hero{padding:78px 22px 26px}
  .featured{padding:0 22px}
  .section{padding:74px 22px 0}
  .foot-in{padding:46px 22px 0}
  .about-grid{gap:42px}
  .lightbox{padding:44px 54px}
}

@media(max-width:900px){ /* تبلت عمودی */
  .masonry{columns:2;column-gap:14px}
  .m-item{margin-bottom:14px}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  footer{margin-top:72px}
}

@media(max-width:720px){ /* موبایل بزرگ */
  /* هدر */
  .top-in{grid-template-columns:auto 1fr auto;padding:10px 14px;gap:8px}
  .lang-btn{padding:8px 11px;font-size:11.5px;letter-spacing:1px}
  .logo-ic{width:26px;height:26px}
  .logo-fa{font-size:15px}
  .logo-en{font-size:8px;letter-spacing:2px}
  .top-nav{justify-self:end}
  .top-nav a{padding:10px 8px;font-size:12.5px;min-height:44px;display:inline-flex;align-items:center}
  .top-spacer{display:none}

  /* هیرو */
  .hero{padding:48px 16px 20px}
  .hero-kicker{font-size:11px;letter-spacing:2px;margin-bottom:10px}
  .hero h1{line-height:1.75}
  .hero h1 br{display:none}
  .hero-sub{font-size:13.5px;max-width:100%}

  /* منتخب */
  .featured{gap:8px;padding:0 14px;margin-top:22px}
  .featured figure:nth-child(2){transform:translateY(10px)}

  /* سکشن‌ها و فیلترها */
  .section{padding:52px 16px 0}
  .section h2{font-size:21px}
  .kicker{letter-spacing:2px}
  .section-head{margin-bottom:22px;gap:12px}
  .filters{width:100%;gap:7px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .filters::-webkit-scrollbar{display:none}
  .chip{padding:7px 16px;font-size:12.5px;flex:none;min-height:38px}

  /* درباره من */
  .about-grid{grid-template-columns:1fr;gap:32px;margin-top:16px}
  .about-photo{max-width:300px;margin:0 auto}
  .bio{font-size:14px}
  .about-points li{font-size:13px}

  /* تماس */
  .contact-cards{gap:10px;margin-top:24px}
  .ccard{flex-direction:row;align-items:baseline;justify-content:space-between;padding:16px 18px}
  .c-label{letter-spacing:1.5px}
  .c-value{font-size:13px}

  /* فوتر */
  footer{margin-top:58px}
  .foot-in{padding:36px 16px 0}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
  .foot-col h5{letter-spacing:2px;margin-bottom:10px}
  .foot-bar{flex-direction:column;justify-content:center;text-align:center;padding:16px 0;gap:4px}

  /* لایت‌باکس لمسی */
  .lightbox{padding:14px}
  .lb-stage img{max-height:calc(100vh - 132px);max-height:calc(100dvh - 132px)}
  .lb-close{top:10px;left:14px;font-size:30px}
  .lb-nav{top:auto;bottom:max(16px, env(safe-area-inset-bottom));transform:none;
    font-size:40px;padding:8px 16px;opacity:.9;
    background:rgba(22,20,17,.6);border-radius:14px;backdrop-filter:blur(8px)}
  .lb-prev{left:max(14px, env(safe-area-inset-left))}
  .lb-next{right:max(14px, env(safe-area-inset-right))}
}

@media(max-width:480px){ /* موبایل کوچک */
  .contact-cards{grid-template-columns:1fr}
  .masonry{columns:1;column-gap:0}
  .m-item{margin-bottom:12px}
  .featured{grid-template-columns:1fr 1fr;gap:7px}
  .featured figure:nth-child(3){display:none}
  .featured figure:nth-child(2){transform:translateY(8px)}
  .top-in{padding:9px 12px}
}

/* کاهش حرکت برای کاربرانی که ترجیح می‌دهند */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .featured img,.m-item img,.m-item::after{transition:none}
  .m-item img{opacity:1;--py:0 !important}
  .featured img,.about-photo img{--py:0 !important}
  .masonry[data-fx] .m-item{opacity:1;filter:none}
  .pbar{display:none}
  .lightbox:not(.open) .lb-stage{transform:none;opacity:1}
}