:root{
    --bg:#fafafa;
    --surface:#fff;
    --text:#1a1a1a;
    --muted:#5c5c5c;
    --line:#e5e5e5;
    --accent:#2d2d2d;
    --nav-h:64px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  section[id]{scroll-margin-top:calc(var(--nav-h) + 16px)}
  body{
    font-family:'Vazirmatn',sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.8;
    font-weight:400;
  }
  .slogan-en{
    font-size:11px;letter-spacing:.2em;
    color:var(--muted);direction:ltr;
    text-transform:uppercase;
  }

  .wrap{max-width:1040px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}

  /* هیرو — پس‌زمینه تصویر */
  .hero{
    position:relative;
    min-height:min(88vh,760px);
    display:flex;align-items:center;
    padding:calc(var(--nav-h) + 48px) 0 72px;
    background:#1a1a1a url('/static/images/hero-bg.png') center/cover no-repeat;
    border-bottom:none;
    overflow:hidden;
  }
  .hero::before{
    content:'';position:absolute;inset:0;z-index:0;
    background:linear-gradient(105deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.55) 45%,rgba(0,0,0,.25) 100%);
  }
  .hero .wrap{position:relative;z-index:1;width:100%}
  .hero-content{max-width:520px}
  .hero .slogan-en{color:rgba(255,255,255,.65)}
  .hero h1{
    font-size:clamp(28px,5vw,44px);
    font-weight:600;line-height:1.35;
    margin-bottom:16px;color:#fff;
  }
  .hero-lead{
    font-size:16px;color:rgba(255,255,255,.85);
    margin-bottom:28px;max-width:420px;
  }
  .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
  .btn{
    display:inline-block;padding:12px 24px;
    font-size:14px;font-weight:500;text-decoration:none;
    border-radius:6px;transition:all .2s;
  }
  .btn-primary{background:#fff;color:var(--accent)}
  .btn-primary:hover{background:#f0f0f0}
  .btn-outline{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent}
  .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
  .btn-wa{
    display:inline-flex;align-items:center;justify-content:center;
    width:52px;height:52px;padding:0;
    background:#25D366;color:#fff;border-radius:50%;
    flex-shrink:0;transition:transform .2s,background .2s,box-shadow .2s;
    box-shadow:0 4px 14px rgba(37,211,102,.35);
  }
  .btn-wa svg{width:28px;height:28px;display:block}
  .btn-wa:hover{background:#1ebe57;transform:scale(1.06);box-shadow:0 6px 18px rgba(37,211,102,.45)}

  .hero-products{
    display:grid;grid-template-columns:1fr 1fr;gap:16px;
  }
  .hero-product{
    background:var(--bg);
    border-radius:12px;
    overflow:hidden;
    border:1px solid var(--line);
  }
  .hero-product img{
    width:100%;aspect-ratio:4/3;
    object-fit:cover;display:block;
    background:#eee;
  }
  .hero-product figcaption{
    padding:14px 16px;font-size:13px;font-weight:500;
    color:var(--muted);
  }
  .img-placeholder{
    aspect-ratio:4/3;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(145deg,#f0f0f0,#e8e8e8);
    color:#999;font-size:12px;text-align:center;padding:16px;
  }

  /* بخش‌ها */
  .section{padding:72px 0}
  .section-head{margin-bottom:40px}
  .section-head h2{font-size:26px;font-weight:600;margin-bottom:8px}
  .section-head p{color:var(--muted);font-size:15px}

  .features{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  }
  .feature{
    background:var(--surface);
    padding:24px;border-radius:10px;
    border:1px solid var(--line);
  }
  .feature strong{display:block;font-size:15px;margin-bottom:6px}
  .feature span{font-size:13px;color:var(--muted)}

  .catalog{
    display:grid;grid-template-columns:1fr 1fr;gap:24px;
  }
  .catalog-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;overflow:hidden;
  }
  .catalog-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#eee}
  .catalog-body{padding:24px}
  .catalog-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
  .catalog-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
  .chips{display:flex;flex-wrap:wrap;gap:6px}
  .chip{
    font-size:12px;padding:5px 12px;
    background:var(--bg);border-radius:20px;color:var(--muted);
  }

  .contact-box{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:12px;
    padding:40px;
    display:flex;justify-content:space-between;align-items:center;
    flex-wrap:wrap;gap:24px;
  }
  .contact-box a{
    font-size:22px;font-weight:600;color:var(--text);
    text-decoration:none;direction:ltr;
  }
  .contact-box a:hover{color:var(--muted)}

  footer{
    padding:32px 0 48px;
    border-top:1px solid var(--line);
    display:flex;justify-content:space-between;align-items:center;
    flex-wrap:wrap;gap:12px;
    font-size:13px;color:var(--muted);
  }

  @media(max-width:800px){
    .catalog,.features{grid-template-columns:1fr}
    .features{grid-template-columns:1fr 1fr}
    .hero{min-height:min(78vh,640px)}
  }
  @media(max-width:480px){
    .features{grid-template-columns:1fr}
    .hero{min-height:72vh;padding-bottom:56px}
  }