:root{
  --bg:#f6f1ea; --paper:#fffdf9; --ink:#1e1a16; --muted:#6e655b; --line:#e3d9cc;
  --accent:#8f3a2a; --accent-2:#b08a4a; --ok:#2f6b4a; --err:#a1302a;
  --radius:4px; --shadow:0 18px 40px -22px rgba(40,25,10,.35);
  --font-body:"Inter",system-ui,sans-serif; --font-head:"Cormorant Garamond",Georgia,serif;
}
body.rtl{ --font-body:"Vazirmatn",Tahoma,sans-serif; --font-head:"Vazirmatn",Tahoma,sans-serif; }
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.7}
body.rtl{line-height:1.9}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-head);font-weight:600;line-height:1.2;margin:0 0 .5em}
body.ltr h1,body.ltr h2{font-weight:500;letter-spacing:-.01em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,241,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-head);font-size:1.3rem;font-weight:600}
.brand-sub{font-size:.72rem;color:var(--muted);letter-spacing:.08em}
.main-nav{display:flex;gap:28px;margin-inline-start:auto}
.main-nav a{text-decoration:none;font-size:.95rem;color:var(--muted);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.main-nav a:hover,.main-nav a.on{color:var(--ink);border-color:var(--ink)}
.main-nav .lang-link{color:var(--accent);font-weight:500}
.cart-link{position:relative;display:grid;place-items:center;width:42px;height:42px;text-decoration:none}
.cart-badge{position:absolute;top:2px;inset-inline-end:0;background:var(--accent);color:#fff;font-size:.7rem;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 5px}
.menu-btn{display:none;margin-inline-start:auto;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu-btn span{display:block;width:22px;height:1.5px;background:var(--ink)}

/* Buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;font:500 .95rem var(--font-body);border-radius:var(--radius);cursor:pointer;transition:background .2s,color .2s,transform .2s}
.btn:hover{background:var(--accent);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);font:inherit;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-2);outline-offset:1px;border-color:transparent}
.field{margin-bottom:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.flash{padding:14px 18px;margin:20px 0 0;border-radius:var(--radius);background:#e9f2ec;color:var(--ok);border:1px solid #c9dfd1}
.flash-err{background:#f8e9e7;color:var(--err);border-color:#ecc9c4}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding:64px 0 80px}
.kicker{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-2);margin-bottom:18px}
body.rtl .kicker{letter-spacing:0}
.hero h1{font-size:clamp(2.4rem,5vw,4.2rem)}
.hero p{font-size:1.1rem;color:var(--muted);max-width:30em;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{position:relative;aspect-ratio:4/5}
.hero-art .frame{position:absolute;inset:0;background:var(--paper);padding:18px;box-shadow:var(--shadow)}
.hero-art .frame img{width:100%;height:100%;object-fit:cover}
.hero-art .frame.back{transform:translate(-9%,8%) rotate(-3deg);inset:12% 18% -2% -6%;opacity:.95}
body.rtl .hero-art .frame.back{transform:translate(9%,8%) rotate(3deg);inset:12% -6% -2% 18%}
.hero-art .frame.front{inset:0 0 10% 14%}
body.rtl .hero-art .frame.front{inset:0 14% 10% 0}
.hero-art .caption{position:absolute;bottom:0;inset-inline-end:0;background:var(--ink);color:var(--paper);padding:12px 18px;font-size:.85rem}

/* Sections */
.section{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px;border-bottom:1px solid var(--line);padding-bottom:16px}
.section-head h2{font-size:2rem;margin:0}
.link-arrow{text-decoration:none;color:var(--accent);font-weight:500;white-space:nowrap}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.feature{background:var(--paper);padding:30px}
.feature h3{font-size:1.25rem;margin-bottom:6px}
.feature p{margin:0;color:var(--muted);font-size:.95rem}
.feature svg{color:var(--accent-2);margin-bottom:14px}

/* Product grid */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:40px 28px}
.card{text-decoration:none;display:block}
.card-img{background:var(--paper);padding:14px;box-shadow:0 1px 0 var(--line);transition:box-shadow .3s,transform .3s;position:relative}
.card:hover .card-img{box-shadow:var(--shadow);transform:translateY(-3px)}
.card-img img{aspect-ratio:4/5;object-fit:cover;width:100%}
.card-body{padding:14px 2px 0;display:flex;justify-content:space-between;gap:10px}
.card-title{font-family:var(--font-head);font-size:1.25rem;font-weight:600;line-height:1.3}
body.rtl .card-title{font-size:1.05rem}
.card-meta{font-size:.85rem;color:var(--muted)}
.card-price{font-weight:600;white-space:nowrap}
.tag{position:absolute;top:24px;inset-inline-start:24px;background:var(--ink);color:#fff;font-size:.72rem;padding:3px 10px;letter-spacing:.06em}
.tag.sold{background:var(--accent)}

/* Shop filters */
.page-head{padding:48px 0 20px}
.page-head h1{font-size:clamp(2rem,4vw,3rem)}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:36px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:7px 16px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.9rem;background:var(--paper)}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.filters form{display:flex;gap:8px;margin-inline-start:auto}
.filters input{width:220px;padding:9px 12px}
.filters select{width:auto;padding:9px 12px}

/* Product page */
.product{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;padding:48px 0}
.product-img{background:var(--paper);padding:22px;box-shadow:var(--shadow);align-self:start;position:sticky;top:100px}
.product-img img{width:100%;cursor:zoom-in}
.product h1{font-size:clamp(2rem,3.5vw,2.8rem);margin-bottom:6px}
.product .artist{color:var(--muted);margin-bottom:24px}
.product .price{font-size:1.8rem;font-weight:600;margin:20px 0}
.specs{border-top:1px solid var(--line);margin:24px 0}
.specs div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.specs dt{color:var(--muted)}
.specs dd{margin:0;text-align:end}
.add-form{display:flex;gap:10px}
.add-form input{width:80px;text-align:center}
.trust{display:grid;gap:8px;margin-top:24px;font-size:.9rem;color:var(--muted)}
.lightbox{position:fixed;inset:0;background:rgba(20,15,10,.92);display:none;place-items:center;z-index:100;cursor:zoom-out;padding:20px}
.lightbox.open{display:grid}
.lightbox img{max-height:92vh;max-width:92vw;object-fit:contain}

/* Cart & checkout */
.cart-table{width:100%;border-collapse:collapse;background:var(--paper)}
.cart-table td,.cart-table th{padding:16px;border-bottom:1px solid var(--line);text-align:start;vertical-align:middle}
.cart-table th{font-weight:500;color:var(--muted);font-size:.85rem}
.cart-item{display:flex;gap:16px;align-items:center}
.cart-item img{width:72px;height:90px;object-fit:cover}
.cart-table input{width:70px}
.linkbtn{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0;text-decoration:underline}
.layout-2{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start;padding-bottom:64px}
.panel{background:var(--paper);border:1px solid var(--line);padding:28px}
.panel h2{font-size:1.4rem}
.sum-row{display:flex;justify-content:space-between;padding:8px 0}
.sum-row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:16px;font-weight:600;font-size:1.15rem}
.sum-item{display:flex;gap:12px;align-items:center;padding:8px 0;font-size:.92rem}
.sum-item img{width:48px;height:60px;object-fit:cover}
.sum-item .grow{flex:1}
.pay-options{display:grid;gap:12px;margin-bottom:20px}
.pay-opt{display:flex;gap:14px;align-items:center;border:1px solid var(--line);padding:16px;cursor:pointer;background:var(--paper);border-radius:var(--radius);color:var(--ink);margin:0}
.pay-opt input{width:auto;accent-color:var(--accent)}
.pay-opt:has(input:checked){border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.pay-opt strong{display:block;font-weight:600}
.pay-opt small{color:var(--muted)}
.pay-opt .logos{margin-inline-start:auto;display:flex;gap:6px}
.pay-badges{display:flex;gap:8px;flex-wrap:wrap}
.pay-badge{border:1px solid currentColor;padding:3px 10px;font:600 .72rem var(--font-body, sans-serif);font-family:Inter,sans-serif;letter-spacing:.04em;border-radius:3px;opacity:.85}
.secure{font-size:.85rem;color:var(--muted);display:flex;gap:8px;align-items:center;margin-top:14px}

/* Message pages */
.notice{max-width:620px;margin:72px auto;text-align:center;background:var(--paper);border:1px solid var(--line);padding:48px 32px}
.notice h1{font-size:2.2rem}
.notice .ref{font-family:Inter,monospace;background:var(--bg);display:inline-block;padding:6px 14px;margin:10px 0 24px}

/* About / contact */
.prose{max-width:720px}
.prose p{font-size:1.08rem}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:24px 0 72px}

/* Footer */
.site-footer{background:var(--ink);color:#d8cfc3;margin-top:40px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-grid a{display:block;color:#d8cfc3;text-decoration:none;padding:3px 0;font-size:.93rem}
.footer-grid a:hover{color:#fff}
.footer-brand{font-family:var(--font-head);font-size:1.5rem;color:#fff;margin-bottom:8px}
.footer-h{color:#fff;font-weight:500;margin-bottom:10px}
.footer-grid p{margin:0 0 8px;font-size:.93rem}
.footer-bottom{border-top:1px solid #3a332c;margin-top:40px;padding-top:20px;font-size:.82rem;color:#9b9186}

/* Responsive */
@media (max-width:900px){
  .menu-btn{display:flex}
  .main-nav{display:none;position:absolute;top:74px;inset-inline:0;background:var(--bg);flex-direction:column;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line)}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-btn{margin-inline-start:auto}
  .hero,.product,.layout-2,.about-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding-top:32px}
  .hero-art{max-width:460px;width:100%;margin:0 auto}
  .product-img{position:static}
  .features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .filters form{margin-inline-start:0;width:100%}
  .filters input{flex:1;width:auto}
}
@media (max-width:600px){
  .grid-2{grid-template-columns:1fr}
  .brand-sub{display:none}
  .cart-table thead{display:none}
  .cart-table tr{display:grid;grid-template-columns:1fr auto;padding:12px 0;border-bottom:1px solid var(--line)}
  .cart-table td{border:0;padding:6px 12px}
  .cart-table td:first-child{grid-column:1/-1}
  .section-head h2{font-size:1.6rem}
}

/* =====================================================================
   Living painting background (art-bg.js)
   ===================================================================== */
html{background:var(--bg)}
.has-art{background:transparent}
.art-bg,.art-bg-fallback{position:fixed;inset:0;width:100vw;height:100vh;z-index:-2;display:block;pointer-events:none}
.art-bg{opacity:0;transition:opacity 1.6s ease}
.art-ready .art-bg{opacity:1}
.art-bg-fallback{background:#2a231c center/cover no-repeat;animation:kenburns 40s ease-in-out infinite alternate;transition:background-image 2s}
@keyframes kenburns{from{transform:scale(1.15) translate(0,0)}to{transform:scale(1.35) translate(-3%,2%)}}
.art-veil{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:var(--veil,.45);
  background:linear-gradient(180deg,rgba(246,241,234,.92) 0%,rgba(246,241,234,.86) 40%,rgba(240,232,220,.94) 100%);transition:opacity .25s linear}

/* glass surfaces so text stays readable over the paintings */
.has-art .site-header{background:rgba(246,241,234,.72);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);border-bottom-color:rgba(227,217,204,.6)}
.has-art .glass,.has-art .hero-copy,.has-art .page-head,.has-art .prose,.has-art .product-info,.has-art .section-head{
  background:rgba(255,253,249,.74);backdrop-filter:blur(18px) saturate(1.15);-webkit-backdrop-filter:blur(18px) saturate(1.15);
  border:1px solid rgba(255,255,255,.55);box-shadow:0 24px 60px -30px rgba(30,20,10,.45)}
.has-art .hero-copy{padding:44px 42px;border-radius:2px}
.has-art .page-head{padding:28px 32px;margin:36px 0 24px;display:inline-block;min-width:min(100%,460px)}
.has-art .page-head h1{margin-bottom:4px}.has-art .page-head p{margin:0}
.has-art .section-head{padding:16px 22px;border-bottom:0}
.has-art .prose{padding:36px}
.has-art .product-info{padding:36px;align-self:start}
.has-art .glass{padding:32px}
.has-art .panel,.has-art .notice{background:rgba(255,253,249,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.has-art .card-body{background:rgba(255,253,249,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:12px 14px;margin-top:0}
.has-art .card-img{box-shadow:0 20px 40px -24px rgba(20,10,0,.6)}
.has-art .features{background:rgba(227,217,204,.5);border-color:transparent}
.has-art .feature{background:rgba(255,253,249,.86);backdrop-filter:blur(12px)}
.has-art .filters .chip{background:rgba(255,253,249,.85)}
.has-art .filters .chip.on{background:var(--ink)}
.has-art .hero-art .frame{box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}

/* caption + pause control */
.art-dock{position:fixed;bottom:16px;inset-inline-start:16px;z-index:40;display:flex;align-items:center;gap:8px;
  background:rgba(30,26,22,.62);color:#f3ece2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:999px;padding:5px 5px 5px 14px;font-size:.8rem;max-width:calc(100vw - 32px)}
body.rtl .art-dock{padding:5px 14px 5px 5px}
.art-caption{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.art-caption span{opacity:.7}
.art-caption a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}
.art-caption[hidden]+.art-toggle{margin-inline-start:-9px}
.art-toggle{width:30px;height:30px;border-radius:50%;border:0;background:rgba(255,255,255,.16);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}
.art-toggle:hover{background:rgba(255,255,255,.3)}
.art-toggle .i-play{display:none}.art-toggle.is-paused .i-play{display:block}.art-toggle.is-paused .i-pause{display:none}
@media (max-width:600px){
  .has-art .hero-copy{padding:28px 22px}
  .has-art .prose,.has-art .product-info{padding:24px}
  .has-art .page-head{display:block;padding:22px}
  .art-dock{bottom:10px;inset-inline-start:10px;font-size:.74rem}
}
@media print{.art-bg,.art-veil,.art-dock,.art-bg-fallback{display:none}}