:root{
  --slate:#2c3440; --steel:#4a7ba6; --white:#ffffff;
  --bg:#f4f6f8; --text:#1e2530; --text-dim:#5b6472; --border:#dde3ea;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Cairo',Tahoma,sans-serif}
h1,h2,h3{font-family:'Readex Pro',sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.back-pill{position:fixed;inset-block-start:16px;inset-inline-start:16px;z-index:95;background:var(--white);color:var(--steel);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;border:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,.08)}

/* ---- Topbar ---- */
.topbar{background:var(--slate);color:#fff;position:sticky;inset-block-start:0;z-index:80}
.topbar__inner{max-width:1280px;margin-inline:auto;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand__mark{width:36px;height:36px;border-radius:8px;background:var(--steel);display:flex;align-items:center;justify-content:center;font-family:'Readex Pro',sans-serif;font-weight:700}
.brand__name{font-size:15px}
.rfq-toggle{background:var(--steel);color:#fff;padding:10px 16px;border-radius:8px;font-size:13.5px;font-weight:700;white-space:nowrap}

/* ---- Catalog hero (archetype G: catalog IS the hero) ---- */
.catalog-hero{background:linear-gradient(135deg,var(--slate),#1c222c);color:#fff;padding:48px 24px 36px}
.catalog-hero__inner{max-width:1280px;margin-inline:auto}
.catalog-hero h1{font-size:clamp(24px,4vw,36px);margin:0 0 10px}
.catalog-hero p{color:#b7c1cc;margin:0 0 24px;max-width:640px}
.catalog-controls{display:flex;flex-direction:column;gap:14px}
.search-input{padding:14px 18px;border-radius:10px;border:none;font-size:15px;max-width:420px;width:100%;font-family:inherit}
.sector-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:9px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.25);color:#dfe6ec;font-size:13.5px;font-weight:600}
.chip.is-active{background:var(--steel);border-color:var(--steel);color:#fff}

/* ---- Grid ---- */
.catalog-main{max-width:1280px;margin-inline:auto;padding:32px 24px 60px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.product-card{background:var(--white);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;cursor:pointer;transition:transform .18s,box-shadow .18s}
.product-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(44,52,64,.1)}
.product-card__img{aspect-ratio:4/3;overflow:hidden;background:#e5e9ee}
.product-card__img img{width:100%;height:100%;object-fit:cover}
.product-card__body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}
.product-card__sector{font-size:11px;font-weight:700;color:var(--steel);text-transform:uppercase}
.product-card__name{font-size:14.5px;font-weight:700;margin:0}
.product-card__moq{font-size:12.5px;color:var(--text-dim)}
.product-card__add{margin-block-start:auto;background:var(--slate);color:#fff;padding:9px;border-radius:8px;font-size:13px;font-weight:700;text-align:center}

/* ---- Clients & tender ---- */
.clients-strip{background:var(--white);padding:44px 24px;border-block:1px solid var(--border)}
.clients-strip__inner{max-width:1280px;margin-inline:auto;text-align:center}
.clients-strip h2{font-size:18px;margin:0 0 20px;color:var(--text-dim)}
.clients-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.client-tag{background:var(--bg);border:1px solid var(--border);padding:10px 18px;border-radius:999px;font-size:13.5px;font-weight:600}

.tender-section{padding:50px 24px;background:var(--bg)}
.tender-section__inner{max-width:1280px;margin-inline:auto}
.tender-section h2{text-align:center;margin:0 0 28px}
.tender-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tender-card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:24px;text-align:center}
.tender-card__num{display:block;font-family:'Readex Pro',sans-serif;font-size:34px;font-weight:700;color:var(--steel);margin-block-end:8px}
.tender-card p{margin:0;font-size:13.5px;color:var(--text-dim)}

/* ---- Footer ---- */
.site-footer{background:var(--slate);color:#c7cfd8;padding:44px 24px 24px}
.site-footer__inner{max-width:1280px;margin-inline:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-col h3{color:#fff;font-size:15px;margin:0 0 10px}
.footer-col p{font-size:13px;line-height:1.7;margin:0 0 6px;color:#a7b1bd}
.footer-copy{text-align:center;font-size:12px;color:#7c8896;margin:32px 0 0;padding-block-start:20px;border-block-start:1px solid #3d4652}

/* ---- Product detail modal ---- */
.modal-backdrop{position:fixed;inset:0;background:rgba(20,24,30,.6);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-backdrop.is-open{display:flex}
.modal{background:#fff;border-radius:16px;max-width:640px;width:100%;max-height:88vh;overflow:auto;position:relative;padding:28px}
.modal__close{position:absolute;inset-block-start:16px;inset-inline-end:16px;width:34px;height:34px;border-radius:50%;background:var(--bg);font-size:16px}
.pd-img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin-block-end:16px}
.pd-name{font-size:20px;margin:0 0 8px}
.pd-spec-row{display:flex;justify-content:space-between;padding:10px 0;border-block-end:1px solid var(--border);font-size:13.5px}
.pd-spec-row span:first-child{color:var(--text-dim)}
.pd-add{margin-block-start:18px;width:100%;background:var(--slate);color:#fff;padding:13px;border-radius:10px;font-weight:700}

/* ---- RFQ drawer (anchored inline-start = right edge in RTL; hidden = translateX(100%)) ---- */
.rfq-backdrop{position:fixed;inset:0;background:rgba(20,24,30,.5);z-index:210;display:none}
.rfq-backdrop.is-open{display:block}
.rfq-drawer{position:fixed;inset-block:0;inset-inline-start:0;width:88%;max-width:420px;background:#fff;z-index:220;
  transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:24px;overflow-y:auto}
.rfq-drawer.is-open{transform:none}
.rfq-drawer__head{display:flex;justify-content:space-between;align-items:center;margin-block-end:16px}
.rfq-drawer__head button{font-size:18px}
.rfq-item{display:flex;gap:10px;align-items:center;padding:10px 0;border-block-end:1px solid var(--border)}
.rfq-item__name{flex:1;font-size:13.5px}
.rfq-item__qty{width:56px;padding:6px;border:1px solid var(--border);border-radius:6px;text-align:center}
.rfq-item__remove{color:#c1352b;font-size:16px}
.rfq-empty{color:var(--text-dim);font-size:13.5px;padding:20px 0;text-align:center}
.rfq-form{display:flex;flex-direction:column;gap:10px;margin-block-start:18px}
.rfq-form input,.rfq-form textarea{padding:12px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:13.5px}
.btn-primary{background:var(--steel);color:#fff;padding:13px;border-radius:8px;font-weight:700}
.rfq-confirm{text-align:center;padding:30px 10px}
.rfq-confirm__ref{font-family:'Readex Pro',sans-serif;font-size:22px;font-weight:700;color:var(--steel);margin:14px 0}

/* ---- Responsive ---- */
@media (max-width:900px){
  .tender-grid{grid-template-columns:1fr}
  .site-footer__inner{grid-template-columns:1fr}
}
@media (max-width:420px){
  .topbar__inner{padding:12px 16px}
  .catalog-hero{padding:32px 16px 28px}
  .catalog-main{padding:24px 16px 40px}
}