:root{
  --primary:#0b2a66;--accent:#f5b21b;--blue:#1d4ed8;--dark:#0f172a;--muted:#64748b;--bg:#f8fafc;--card:#ffffff;--line:#e2e8f0;--green:#16a34a;
}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--dark)}a{text-decoration:none;color:inherit}.topbar{background:#071a3f;color:#fff;font-size:14px;padding:10px 20px}.navbar{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px 22px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--primary);font-size:20px}.logo{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--blue));display:grid;place-items:center;color:white;font-weight:900}.menu{display:flex;gap:18px;align-items:center}.menu a{color:#334155;font-weight:600}.btn{border:0;border-radius:12px;padding:12px 18px;background:var(--blue);color:white;font-weight:700;display:inline-flex;align-items:center;gap:8px;cursor:pointer}.btn.alt{background:var(--accent);color:#111827}.btn.light{background:#e0ecff;color:#1641a6}.hero{padding:70px 22px;background:radial-gradient(circle at 80% 20%,#dbeafe,transparent 30%),linear-gradient(135deg,#fff,#eef6ff)}.hero-wrap{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.hero h1{font-size:48px;line-height:1.05;margin:0 0 16px;color:#071a3f}.hero p{font-size:18px;line-height:1.6;color:#475569;margin:0 0 24px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:0 20px 50px rgba(15,23,42,.08)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mini{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff}.mini b{display:block;color:var(--primary);margin-bottom:6px}.container{max-width:1180px;margin:auto;padding:34px 22px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px}.section-head h2{font-size:30px;margin:0;color:#071a3f}.section-head p{margin:6px 0 0;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.cat-card,.product-card,.service-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.04)}.cat-card{transition:.2s}.cat-card:hover{transform:translateY(-3px);border-color:#bfdbfe}.cat-icon{width:48px;height:48px;border-radius:16px;background:#e0ecff;display:grid;place-items:center;font-size:24px;margin-bottom:12px}.cat-card h3,.service-card h3{margin:0 0 8px;color:#0b2a66}.cat-card p,.service-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}.product-card{padding:0;overflow:hidden}.product-img{height:190px;background:#f1f5f9}.product-img img{width:100%;height:100%;object-fit:cover}.product-info{padding:18px}.product-info h3{font-size:17px;margin:0 0 8px;color:#0f172a;min-height:42px}.stock{font-size:13px;color:var(--green);font-weight:700}.price{font-size:20px;font-weight:900;color:#071a3f;margin:10px 0}.product-actions{display:flex;gap:8px;flex-wrap:wrap}.whatsapp-float{position:fixed;right:20px;bottom:20px;background:#25d366;color:white;border-radius:999px;padding:14px 18px;font-weight:900;box-shadow:0 10px 30px rgba(0,0,0,.2);z-index:20}.footer{background:#071a3f;color:white;margin-top:40px;padding:38px 22px}.footer-wrap{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px}.footer p{color:#cbd5e1;line-height:1.6}.admin-layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:#071a3f;color:#fff;padding:22px}.sidebar .brand{color:white;margin-bottom:28px}.sidebar a{display:block;color:#dbeafe;padding:12px 14px;border-radius:12px;margin-bottom:8px}.sidebar a.active,.sidebar a:hover{background:#123475}.admin-main{padding:26px}.admin-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;margin-bottom:18px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table th,.table td{padding:13px;border-bottom:1px solid var(--line);text-align:left}.table th{background:#f8fafc;color:#334155}.badge{display:inline-block;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.badge.on{background:#dcfce7;color:#166534}.badge.off{background:#fee2e2;color:#991b1b}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-weight:700;margin:0 0 7px;color:#334155}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:15px}.notice{padding:14px 16px;border-radius:14px;background:#ecfdf5;color:#166534;margin-bottom:16px;font-weight:700}@media(max-width:850px){.hero-wrap,.footer-wrap,.admin-layout{grid-template-columns:1fr}.hero h1{font-size:36px}.grid{grid-template-columns:1fr 1fr}.menu{display:none}.sidebar{position:relative}.form-row{grid-template-columns:1fr}}@media(max-width:520px){.grid,.hero-grid{grid-template-columns:1fr}.hero{padding:45px 18px}.navbar{padding:12px 16px}.whatsapp-float{left:16px;right:16px;text-align:center;justify-content:center}}