:root{
  --ink:#0b0c10; --muted:#6b7280; --ring:#e5e7eb; --card:#ffffff;
  --brand:#0f172a; --brand-2:#2563eb; --bg:#f5f7fb; --glow:0 20px 60px rgba(37,99,235,.18); --tap:44px;
}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,Ubuntu,Arial;background:
radial-gradient(1200px 800px at 80% -150px, #dbeafe 0, transparent 60%), var(--bg);color:var(--ink)}
a{text-decoration:none;color:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 16px}
/* Header */
header.site{position:sticky;top:0;background:#fff;backdrop-filter:blur(8px);border-bottom:1px solid var(--ring);z-index:50}
header .bar{height:68px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.2px}
.logo-b{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#111827,#3b82f6);box-shadow:var(--glow)}
nav.desktop a{font-weight:700;color:#0f172a;margin-left:18px}
nav.desktop a:hover{text-decoration:underline}
.nav-toggle{display:none;background:#fff;border:1px solid var(--ring);width:var(--tap);height:var(--tap);border-radius:12px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:#0f172a;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#0f172a}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.mobile-nav{position:fixed;inset:0;display:none;background:rgba(0,0,0,.5);z-index:60}
.mobile-nav.active{display:block}
.mobile-nav .sheet{position:absolute;right:0;top:0;height:100%;width:min(84vw,380px);background:#fff;box-shadow:0 10px 40px rgba(2,6,23,.2);padding:20px;display:flex;flex-direction:column;gap:12px}
.mobile-nav a{padding:12px 10px;border-radius:12px;font-weight:700;border:1px solid var(--ring)}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;
     font-weight:700;background:var(--brand);color:#fff;box-shadow:var(--glow);border:1px solid #0b1220;min-height:var(--tap)}
.btn:hover{opacity:.95}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--ring);box-shadow:none}
/* Hero */
.hero{padding:72px 0 40px;background:linear-gradient(180deg,#fff,rgba(255,255,255,.6))}
.hero h1{font-size:clamp(30px,3.8vw,48px);line-height:1.05;margin:12px 0 0}
.hero p{color:var(--muted);max-width:60ch}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}
.stat{background:#fff;border:1px solid var(--ring);border-radius:18px;padding:18px;text-align:center}
.stat .v{font-weight:900;font-size:26px}
/* Sections */
.section{padding:64px 0}
.card{background:#fff;border:1px solid var(--ring);border-radius:18px;padding:16px;box-shadow:0 10px 30px rgba(2,6,23,.06)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.products{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.img{aspect-ratio:4/3;overflow:hidden;border-radius:16px;background:#eaf0f7}
.img img{width:100%;height:100%;object-fit:cover;display:block}
h2{font-size:clamp(22px,2.4vw,32px)}
.small{font-size:13px;color:var(--muted)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--ring);padding:10px;text-align:left;font-size:14px}
.badge{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--ring);background:#fff;border-radius:999px;padding:6px 10px;font-size:12px;color:#334155}
/* Form */
input,select,textarea{width:100%;padding:12px;border-radius:12px;border:1px solid var(--ring);outline:none;background:#fff}
input:focus,select:focus,textarea:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.14)}
label{font-size:12px;font-weight:800;color:#111827}
.form .row{display:grid;gap:12px}
.form .row-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.alert{padding:12px;border-radius:12px;background:#ecfeff;border:1px solid #cffafe;color:#155e75}
/* Glass & Glow */
.card.glass{background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border:1px solid rgba(229,231,235,.7)}
.glow{box-shadow:0 12px 34px rgba(37,99,235,.12)}
.card.glass:hover{transform:translateY(-2px);transition:.25s ease;box-shadow:0 18px 50px rgba(37,99,235,.18)}
/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease}
.reveal.visible{opacity:1;transform:none}
/* Modal Lightbox */
.modal{position:fixed;inset:0;display:none;z-index:80}
.modal.active{display:block}
.modal .overlay{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal .sheet{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;padding:20px}
.modal .sheet>.modal-body{display:grid;gap:16px;grid-template-columns:1.4fr 1fr;max-width:1100px;width:100%;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal .modal-close{position:absolute;top:20px;right:28px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;width:40px;height:40px;font-size:22px;cursor:pointer}
.modal .gallery{position:relative;background:#0b1220;display:flex;align-items:center;justify-content:center;min-height:380px}
.modal .gallery .slide{position:absolute;inset:0;opacity:0;transition:opacity .3s ease}
.modal .gallery .slide.active{opacity:1}
.modal .gallery img{width:100%;height:100%;object-fit:contain}
.modal .gallery .nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.9);border:1px solid #e5e7eb;border-radius:12px;padding:8px 12px;font-size:20px;cursor:pointer}
.modal .gallery .nav.prev{left:12px}.modal .gallery .nav.next{right:12px}
.modal .gallery .thumbs{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);display:flex;gap:8px;padding:6px 10px;background:rgba(255,255,255,.9);border-radius:999px;border:1px solid #e5e7eb}
.modal .gallery .thumbs img{width:52px;height:36px;object-fit:cover;border-radius:6px;border:1px solid #e5e7eb;cursor:pointer;opacity:.85}
.modal .gallery .thumbs img:hover{opacity:1}
.modal .details{padding:18px}
.modal .details h3{margin-top:4px;margin-bottom:8px}
.modal .details .small{line-height:1.5}
.modal .details .btn{margin-top:12px}
@media (max-width:900px){
  nav.desktop{display:none}
  .nav-toggle{display:inline-flex}
  .modal .sheet>.modal-body{grid-template-columns:1fr}
  .modal .modal-close{top:10px;right:10px}
}