:root{
    --ink:#182238;
    --ink-2:#22304f;
    --paper:#f5efe2;
    --paper-2:#ede4d0;
    --wine:#6e2430;
    --wine-2:#8a2f3d;
    --gold:#b9924a;
    --gold-light:#d8b878;
    --text:#241f16;
    --text-soft:#5a5142;
    --kids-1:#c96a3e;
    --kids-2:#e8a951;
    --line: rgba(24,34,56,0.14);
    --radius: 2px;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Vazirmatn', sans-serif;
    background:var(--paper);
    color:var(--text);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  .display{font-family:'Noto Naskh Arabic','Vazirmatn',serif; font-weight:700;}
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
  @media (max-width:640px){ .wrap{padding:0 18px;} }

  ::selection{background:var(--gold-light); color:var(--ink);}
  :focus-visible{outline:2px solid var(--wine); outline-offset:3px;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  }

  /* ===== Header ===== */
  header{
    position:sticky; top:0; z-index:50;
    background:var(--ink);
    color:var(--paper);
    border-bottom:1px solid rgba(255,255,255,0.08);
  }
  .nav-row{display:flex; align-items:center; justify-content:space-between; height:76px;}
  .logo{display:flex; align-items:center; gap:12px;}
  .logo-mark{
    width:38px; height:38px; object-fit:contain;
  }
  .logo-text{font-family:'Noto Naskh Arabic',serif; font-size:20px; font-weight:700; letter-spacing:0.5px;}
  .logo-text span{color:var(--gold-light); font-size:12px; display:block; font-family:'Vazirmatn'; font-weight:400; margin-top:2px; letter-spacing:1px;}

  nav.main-links{display:flex; gap:34px; font-size:15px;}
  nav.main-links a{position:relative; padding:6px 0; color:rgba(245,239,226,0.82); transition:color .2s;}
  nav.main-links a:hover{color:#fff;}
  nav.main-links a::after{
    content:""; position:absolute; right:0; bottom:0; height:1px; width:0; background:var(--gold-light);
    transition:width .25s ease;
  }
  nav.main-links a:hover::after{width:100%;}

  .nav-actions{display:flex; align-items:center; gap:18px;}
  .icon-btn{
    width:38px; height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    border:1px solid rgba(255,255,255,0.18); color:var(--paper); position:relative; font-size:15px;
    transition:border-color .2s, background .2s;
  }
  .icon-btn:hover{border-color:var(--gold-light); background:rgba(255,255,255,0.05);}
  .cart-badge{
    position:absolute; top:-6px; left:-6px; background:var(--wine-2); color:#fff; font-size:10px;
    width:17px; height:17px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    border:1.5px solid var(--ink);
  }
  .btn-ghost-light{
    border:1px solid rgba(255,255,255,0.28); color:var(--paper); padding:9px 20px; border-radius:2px; font-size:14px;
    transition:all .2s;
  }
  .btn-ghost-light:hover{background:var(--paper); color:var(--ink);}
  .burger{display:none; color:var(--paper); font-size:22px; background:none; border:none; cursor:pointer;}
  @media (max-width:900px){
    nav.main-links{display:none;}
    .burger{display:block;}
  }

  /* ===== Announcement / campaign strip ===== */
  .campaign-strip{
    background:linear-gradient(90deg, var(--wine), var(--wine-2));
    color:#fff; text-align:center; font-size:13.5px; padding:9px 12px; letter-spacing:.2px;
  }
  .campaign-strip b{color:var(--gold-light); font-weight:700;}

  /* ===== Hero ===== */
  .hero{
    position:relative; overflow:hidden;
    background:radial-gradient(1100px 500px at 85% -10%, #24314f 0%, var(--ink) 55%);
    color:var(--paper);
    padding:88px 0 70px;
  }
  .hero-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;}
  @media (max-width:900px){ .hero-grid{grid-template-columns:1fr;} }

  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:12.5px; letter-spacing:1.5px; color:var(--gold-light); text-transform:uppercase;
    margin-bottom:22px;
  }
  .eyebrow::before{content:""; width:26px; height:1px; background:var(--gold-light);}

  .hero h1{
    font-size:clamp(32px, 4.4vw, 54px); line-height:1.28; margin-bottom:22px; color:#fff;
  }
  .hero h1 em{font-style:normal; color:var(--gold-light);}
  .hero p{font-size:16.5px; color:rgba(245,239,226,0.78); max-width:480px; margin-bottom:34px;}
  .hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}

  .btn-primary{
    background:var(--wine); color:#fff; padding:14px 30px; border-radius:2px; font-size:15px; font-weight:600;
    box-shadow:0 10px 26px -12px rgba(110,36,48,0.7); transition:transform .18s, box-shadow .18s;
    border:1px solid var(--wine);
  }
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 14px 30px -12px rgba(110,36,48,0.85);}
  .btn-outline{
    border:1px solid rgba(245,239,226,0.35); color:var(--paper); padding:14px 26px; border-radius:2px; font-size:15px;
    transition:border-color .2s, background .2s;
  }
  .btn-outline:hover{border-color:var(--gold-light); background:rgba(255,255,255,0.04);}

  /* signature element: bookshelf spines */
  .shelf{
    position:relative; display:flex; align-items:flex-end; gap:6px; height:300px;
    padding:0 6px 22px; border-bottom:3px solid #3a2b1c;
  }
  .shelf::after{
    content:""; position:absolute; bottom:-3px; right:-14px; left:-14px; height:14px;
    background:linear-gradient(180deg, #2b2015, #1c150d); border-radius:0 0 4px 4px;
  }
  .spine{
    flex:1; border-radius:2px 2px 0 0; position:relative; cursor:pointer;
    display:flex; align-items:flex-start; justify-content:center; padding-top:14px;
    transition:transform .25s ease, filter .25s ease;
    box-shadow:inset -2px 0 0 rgba(0,0,0,0.15), inset 2px 0 0 rgba(255,255,255,0.06);
  }
  .spine:hover{transform:translateY(-10px); filter:brightness(1.08);}
  .spine span{
    writing-mode:vertical-rl; font-size:12px; color:rgba(255,255,255,0.85); font-weight:600; letter-spacing:1px;
  }
  .spine i{
    position:absolute; bottom:10px; width:60%; height:2px; background:rgba(255,255,255,0.35); right:20%;
  }
  .shelf-caption{margin-top:16px; font-size:12.5px; color:rgba(245,239,226,0.55); text-align:center;}

  /* ===== Section shared ===== */
  section{padding:78px 0;}
  .sec-head{display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:40px; flex-wrap:wrap; gap:16px;}
  .sec-eyebrow{font-size:12.5px; letter-spacing:1.5px; color:var(--wine); text-transform:uppercase; margin-bottom:10px; font-weight:700;}
  .sec-title{font-size:clamp(24px,3vw,34px);}
  .sec-link{font-size:14px; border-bottom:1px solid var(--text); padding-bottom:2px; white-space:nowrap;}

  /* ===== Series / book cards ===== */
  .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:26px;}
  .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:26px;}
  @media (max-width:980px){ .grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .grid-4{grid-template-columns:1fr;} .grid-3{grid-template-columns:1fr;} }

  .card{
    background:#fffdf8; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
    transition:transform .25s ease, box-shadow .25s ease; display:flex; flex-direction:column;
  }
  .card:hover{transform:translateY(-5px); box-shadow:0 22px 40px -24px rgba(24,34,56,0.35);}
  .card-cover{
    aspect-ratio:3/4; background:linear-gradient(150deg,var(--ink-2),var(--ink)); position:relative;
    display:flex; align-items:center; justify-content:center; overflow:hidden;
  }
  .card-cover .cover-title{
    font-family:'Noto Naskh Arabic',serif; color:var(--gold-light); font-size:15px; text-align:center; padding:18px;
    line-height:1.6;
  }
  .badge{
    position:absolute; top:12px; right:12px; background:var(--wine); color:#fff; font-size:11px; padding:4px 10px;
    border-radius:2px; letter-spacing:.3px; font-weight:600;
  }
  .badge.gold{background:var(--gold); color:#2a2010;}
  .card-body{padding:18px 18px 20px; display:flex; flex-direction:column; gap:8px; flex:1;}
  .card-cat{font-size:11.5px; color:var(--wine); letter-spacing:.5px; font-weight:700;}
  .card-title{font-size:16.5px; font-weight:700; line-height:1.5;}
  .card-meta{font-size:12.5px; color:var(--text-soft);}
  .card-price-row{display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:12px; border-top:1px dashed var(--line);}
  .price{display:flex; align-items:baseline; gap:8px;}
  .price .old{font-size:12.5px; color:#9a9082; text-decoration:line-through;}
  .price .new{font-size:16px; font-weight:700; color:var(--wine);}
  .price .cur{font-size:11px; color:var(--text-soft);}
  .mini-btn{
    font-size:12.5px; border:1px solid var(--ink); padding:7px 14px; border-radius:2px; font-weight:600;
    transition:background .2s, color .2s;
  }
  .mini-btn:hover{background:var(--ink); color:#fff;}

  .sale-mode-note{font-size:11.5px; color:var(--text-soft); display:flex; align-items:center; gap:6px;}
  .sale-mode-note::before{content:"•"; color:var(--gold);}

  /* ===== Workshops tabs ===== */
  .tabs{display:flex; gap:10px; margin-bottom:34px;}
  .tab-btn{
    padding:10px 22px; border-radius:20px; border:1px solid var(--line); font-size:14px; font-weight:600;
    background:#fff; color:var(--text-soft); cursor:pointer; transition:all .2s;
  }
  .tab-btn.active{background:var(--ink); color:#fff; border-color:var(--ink);}
  .tab-btn.kids.active{background:var(--kids-1); border-color:var(--kids-1);}

  .workshop-panel{display:none;}
  .workshop-panel.active{display:block; animation:fadeIn .35s ease;}
  @keyframes fadeIn{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}

  .w-card{
    display:grid; grid-template-columns:230px 1fr; gap:0; background:#fffdf8; border:1px solid var(--line);
    margin-bottom:20px; overflow:hidden; border-radius:var(--radius);
    transition:box-shadow .25s ease;
  }
  .w-card:hover{box-shadow:0 20px 36px -22px rgba(24,34,56,0.32);}
  @media (max-width:700px){ .w-card{grid-template-columns:1fr;} }
  .w-thumb{
    background:linear-gradient(150deg, var(--wine-2), var(--wine)); display:flex; align-items:center; justify-content:center;
    color:rgba(255,255,255,0.9); font-size:13px; position:relative; min-height:160px;
  }
  .w-card.kids .w-thumb{background:linear-gradient(150deg, var(--kids-2), var(--kids-1));}
  .play-dot{
    width:46px; height:46px; border-radius:50%; border:1.5px solid rgba(255,255,255,0.7);
    display:flex; align-items:center; justify-content:center; font-size:14px;
  }
  .w-body{padding:22px 24px; display:flex; flex-direction:column; gap:10px;}
  .w-top{display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap;}
  .w-title{font-size:17px; font-weight:700;}
  .w-instructors{font-size:12.5px; color:var(--text-soft);}
  .w-tags{display:flex; gap:8px; flex-wrap:wrap;}
  .tag{font-size:11px; padding:4px 10px; border-radius:12px; background:var(--paper-2); color:var(--text-soft); font-weight:600;}
  .tag.online{color:#2f6a4a; background:#e5f1e9;}
  .tag.offline{color:#7a4a1e; background:#f4e8d6;}
  .w-desc{font-size:13.5px; color:var(--text-soft); line-height:1.8;}
  .w-bottom{display:flex; align-items:center; justify-content:space-between; margin-top:6px;}

  /* ===== Campaign banner block ===== */
  .campaign-block{
    background:var(--ink); color:var(--paper); border-radius:2px; padding:46px 44px;
    display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
    position:relative; overflow:hidden;
  }
  .campaign-block::before{
    content:""; position:absolute; inset:0; background:radial-gradient(600px 260px at 90% 0%, rgba(185,146,74,0.25), transparent 70%);
  }
  .campaign-block > *{position:relative; z-index:1;}
  .countdown{display:flex; gap:14px;}
  .cd-box{background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.14); padding:12px 16px; text-align:center; min-width:64px; border-radius:2px;}
  .cd-box b{display:block; font-size:22px; font-family:'Noto Naskh Arabic',serif;}
  .cd-box span{font-size:10.5px; color:rgba(245,239,226,0.6);}

  /* ===== TOC accordion demo (inside a featured product) ===== */
  .toc-demo{background:#fffdf8; border:1px solid var(--line); padding:34px; border-radius:2px;}
  .toc-demo-grid{display:grid; grid-template-columns:1fr 1.3fr; gap:40px;}
  @media (max-width:900px){ .toc-demo-grid{grid-template-columns:1fr;} }
  .toc-item{border-bottom:1px solid var(--line);}
  .toc-item summary{
    list-style:none; cursor:pointer; padding:14px 0; display:flex; justify-content:space-between; align-items:center;
    font-size:14.5px; font-weight:600;
  }
  .toc-item summary::-webkit-details-marker{display:none;}
  .toc-item summary::after{content:"+"; color:var(--wine); font-size:18px;}
  .toc-item[open] summary::after{content:"–";}
  .toc-item p{padding-bottom:14px; font-size:13.5px; color:var(--text-soft);}
  .video-frame{
    aspect-ratio:16/9; background:linear-gradient(150deg,var(--ink-2),var(--ink)); border-radius:2px;
    display:flex; align-items:center; justify-content:center; color:var(--gold-light); position:relative;
  }

  /* ===== Instructors ===== */
  .instructor-card{text-align:center;}
  .instructor-avatar{
    width:88px; height:88px; border-radius:50%; margin:0 auto 14px; background:linear-gradient(150deg,var(--gold-light),var(--gold));
    display:flex; align-items:center; justify-content:center; font-family:'Noto Naskh Arabic',serif; font-size:22px; color:#2a2010;
  }

  /* ===== Newsletter / trust strip ===== */
  .trust-strip{background:var(--paper-2); padding:36px 0;}
  .trust-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; text-align:center;}
  @media (max-width:760px){ .trust-grid{grid-template-columns:repeat(2,1fr);} }
  .trust-item{font-size:13px; color:var(--text-soft);}
  .trust-item b{display:block; font-size:20px; color:var(--ink); font-family:'Noto Naskh Arabic',serif; margin-bottom:4px;}

  /* ===== Footer ===== */
  footer{background:var(--ink); color:rgba(245,239,226,0.72); padding:60px 0 26px; font-size:13.5px;}
  .footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:44px;}
  @media (max-width:760px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  footer h4{color:#fff; font-size:14px; margin-bottom:16px; font-weight:700;}
  footer ul{list-style:none; display:flex; flex-direction:column; gap:9px;}
  footer ul a:hover{color:#fff;}
  .footer-bottom{border-top:1px solid rgba(255,255,255,0.1); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:12px; color:rgba(245,239,226,0.45);}

  /* section background alternation */
  .bg-alt{background:var(--paper-2);}

  /* ===== Cart drawer ===== */
  .backdrop{position:fixed; inset:0; background:rgba(24,34,56,0.45); z-index:110; display:none;}
  .backdrop.open{display:block;}
  .cart-drawer{
    position:fixed; top:0; bottom:0; left:-380px; width:360px; background:#fffdf8; z-index:120;
    box-shadow:8px 0 30px rgba(0,0,0,.25); transition:left .3s ease; display:flex; flex-direction:column;
  }
  .cart-drawer.open{left:0;}
  .cart-head{padding:20px 22px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center;}
  .cart-head h3{font-family:'Noto Naskh Arabic',serif; font-size:18px;}
  .cart-close{width:32px; height:32px; border-radius:50%; background:var(--paper-2); display:flex; align-items:center; justify-content:center; font-size:15px; border:none; cursor:pointer; color:var(--text);}
  .cart-close:hover{background:var(--wine); color:#fff;}
  .cart-items{flex:1; overflow-y:auto; padding:6px 22px;}
  .cart-item{display:flex; justify-content:space-between; align-items:center; gap:10px; padding:14px 0; border-bottom:1px dashed var(--line);}
  .cart-item h4{font-size:13.5px; font-weight:700; margin-bottom:4px;}
  .cart-item span{font-size:12px; color:var(--text-soft);}
  .cart-item .rm{background:none; border:none; color:var(--wine); font-size:12px; font-weight:700; cursor:pointer;}
  .cart-empty{padding:50px 10px; text-align:center; color:var(--text-soft); font-size:14px;}
  .cart-foot{padding:20px 22px; border-top:1px solid var(--line);}
  .cart-total{display:flex; justify-content:space-between; font-weight:700; margin-bottom:14px; font-size:15px;}
  .toast{
    position:fixed; bottom:26px; left:50%; transform:translateX(-50%) translateY(20px);
    background:var(--ink); color:var(--paper); padding:12px 22px; border-radius:24px; font-size:13.5px;
    opacity:0; transition:all .3s ease; z-index:200; pointer-events:none;
  }
  .toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

  /* ===== Series / Volume detail modal ===== */
  .modal-overlay{
    position:fixed; inset:0; background:rgba(24,34,56,0.55); z-index:130;
    display:none; align-items:flex-start; justify-content:center; padding:50px 20px; overflow-y:auto;
  }
  .modal-overlay.open{display:flex;}
  .modal-box{
    background:#fffdf8; max-width:720px; width:100%; border-radius:2px;
    box-shadow:0 24px 60px rgba(0,0,0,.35); position:relative; padding:38px 40px;
  }
  .modal-x{
    position:absolute; top:16px; left:16px; width:34px; height:34px; border-radius:50%;
    background:var(--paper-2); border:none; font-size:16px; color:var(--text); cursor:pointer;
    display:flex; align-items:center; justify-content:center;
  }
  .modal-x:hover{background:var(--wine); color:#fff;}
  .modal-top{display:flex; gap:20px; margin-bottom:22px;}
  .modal-cover{
    width:120px; height:150px; border-radius:2px; flex:none; position:relative;
    background:linear-gradient(150deg,var(--ink-2),var(--ink));
    display:flex; align-items:center; justify-content:center; color:var(--gold-light);
    font-family:'Noto Naskh Arabic',serif; font-size:13px; text-align:center; padding:10px;
  }
  .modal-top h2{font-size:21px; margin-bottom:6px;}
  .modal-cat{font-size:12px; color:var(--wine); font-weight:700; letter-spacing:.3px; margin-bottom:8px;}
  .modal-note{font-size:12.5px; color:var(--text-soft);}
  .volume-list{list-style:none; margin-top:10px;}
  .volume-row{
    display:flex; align-items:center; justify-content:space-between; gap:14px;
    padding:13px 4px; border-bottom:1px solid var(--line); cursor:pointer;
    transition:background .15s ease;
  }
  .volume-row:hover{background:var(--paper-2);}
  .volume-row .vnum{
    width:26px; height:26px; border-radius:50%; background:var(--paper-2); color:var(--wine);
    font-size:12px; font-weight:700; display:flex; align-items:center; justify-content:center; flex:none;
  }
  .volume-row .vtitle{flex:1; font-size:14.5px; font-weight:600;}
  .volume-row .varrow{color:var(--text-soft); font-size:13px;}
  .modal-buy-row{
    display:flex; align-items:center; justify-content:space-between; margin-top:22px; padding-top:20px;
    border-top:1px solid var(--line); flex-wrap:wrap; gap:14px;
  }
  .back-link{
    display:inline-flex; align-items:center; gap:6px; font-size:13.5px; font-weight:700; color:var(--wine);
    background:none; border:none; cursor:pointer; margin-bottom:16px; padding:0;
  }
  .volume-desc{font-size:14px; color:var(--text-soft); line-height:1.9; margin-top:6px;}