/* LUCK AUTO — B2B industrial theme. Vanilla CSS, no dependencies. */
:root{
  --navy:#0e2a44; --navy2:#12395c; --blue:#1473b8; --amber:#f59e0b;
  --ink:#1d2a36; --muted:#5b6b7c; --line:#e3e9f0; --bg:#f5f8fb; --card:#ffffff;
  --radius:10px; --shadow:0 2px 14px rgba(14,42,68,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
h1,h2,h3{line-height:1.25;color:var(--navy)}
h2{font-size:1.7rem;margin-bottom:8px;text-align:center}
.section-sub{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 36px}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:1.25rem;color:var(--navy);letter-spacing:.5px}
.brand span{color:var(--amber)}
nav.links{display:flex;gap:26px;align-items:center}
nav.links a{color:var(--ink);font-weight:500;font-size:.95rem}
nav.links a:hover{color:var(--blue);text-decoration:none}
.btn{display:inline-block;background:var(--amber);color:#1d1d1d;font-weight:700;padding:11px 26px;border-radius:6px;border:0;cursor:pointer;font-size:.95rem}
.btn:hover{background:#e08e0a;text-decoration:none;color:#1d1d1d}
.btn-outline{background:#fff;color:var(--navy);border:2px solid var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-sm{padding:8px 18px;font-size:.85rem}
.hamburger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--navy)}

/* Hero */
.hero{background:linear-gradient(120deg,rgba(8,20,40,.92) 0%,rgba(8,20,40,.55) 45%,rgba(8,20,40,.15) 100%),url(img/hero-poster.jpg) center/cover no-repeat;color:#fff;padding:76px 0}
.hero h1{color:#fff;font-size:2.4rem;margin-bottom:14px}
.hero p.lead{color:#c9d6e2;font-size:1.08rem;max-width:640px;margin-bottom:26px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.badges{display:flex;gap:26px;flex-wrap:wrap}
.badge{display:flex;align-items:center;gap:9px;color:#dce7f1;font-size:.92rem}
.badge b{color:var(--amber);font-size:1.25rem}

/* Stats band */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center;padding:26px 0}
.stat b{display:block;font-size:1.9rem;color:var(--navy)}
.stat span{color:var(--muted);font-size:.88rem}

/* Cards */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;transition:transform .15s}
.card:hover{transform:translateY(-3px)}
.card h3{margin:12px 0 8px;font-size:1.08rem}
.card p{color:var(--muted);font-size:.93rem}
.card .icon{font-size:2rem}
.card .thumb{background:#fff;border:1px solid #eef2f7;border-radius:8px;height:190px;display:flex;align-items:center;justify-content:center;color:#8fa2b5;font-size:.85rem;margin-bottom:6px;overflow:hidden}
.card .thumb svg{width:100%;height:100%}

/* Product cards */
.p-card{display:flex;flex-direction:column}
.p-card .oe{font-size:.78rem;color:var(--muted);margin-top:8px}
.p-card .oe code{background:#eef2f7;padding:1px 6px;border-radius:4px;font-size:.76rem;margin-right:4px;white-space:nowrap}
.p-card .actions{margin-top:14px;display:flex;gap:10px}

/* Search + filter */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.searchbox{flex:1;min-width:240px;display:flex}
.searchbox input{flex:1;padding:12px 16px;border:2px solid var(--line);border-radius:6px 0 0 6px;font-size:1rem;outline:none}
.searchbox input:focus{border-color:var(--blue)}
.searchbox button{border:0;background:var(--navy);color:#fff;padding:0 22px;border-radius:0 6px 6px 0;cursor:pointer;font-weight:600}
.pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 18px;cursor:pointer;font-size:.9rem;color:var(--muted)}
.pill.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.result-count{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.empty{text-align:center;color:var(--muted);padding:60px 0}

/* Product detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.pd .gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;align-items:center;justify-content:center;min-height:340px;color:#8fa2b5}
.spec-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.93rem;background:#fff}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:9px 14px;text-align:left}
.spec-table th{background:#eef3f8;color:var(--navy);width:38%}
.oe-list{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 20px}
.oe-list code{background:#e8eef5;padding:4px 12px;border-radius:5px;font-size:.85rem}
.pd .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.note{background:#fff8e6;border:1px solid #f3d27a;border-radius:8px;padding:14px 18px;font-size:.9rem;color:#7a5c00;margin-top:22px}

/* Forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;max-width:760px;margin:0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.9rem;color:var(--navy)}
.field label i{color:#c00;font-style:normal}
.field input,.field select,.field textarea{padding:11px 13px;border:1px solid #c9d4e0;border-radius:6px;font-size:.95rem;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,115,184,.12)}
.field .hint{font-size:.8rem;color:var(--muted)}
.promise{display:flex;gap:12px;align-items:center;background:#eaf4fb;border-radius:8px;padding:14px 18px;margin-bottom:22px;font-size:.93rem;color:var(--navy)}

/* Trust / about */
.check-list{list-style:none;display:grid;gap:12px;max-width:760px;margin:0 auto}
.check-list li{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 18px;display:flex;gap:12px;align-items:flex-start}
.check-list .tick{color:#1a9e4b;font-weight:800;font-size:1.1rem}
.cert-row{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.cert{background:#fff;border:2px dashed #b9c7d6;border-radius:8px;padding:22px 30px;text-align:center;color:var(--muted);font-size:.9rem;min-width:200px}
.photo-ph{background:#dfe7ef;border-radius:8px;min-height:220px;display:flex;align-items:center;justify-content:center;color:#7d8fa3;font-size:.9rem}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:60px 20px}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#c9d6e2;margin-bottom:24px}

/* Footer */
footer.site{background:#0b1e32;color:#a9bccd;padding:44px 0 26px;font-size:.9rem}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:28px}
footer.site h4{color:#fff;margin-bottom:12px;font-size:1rem}
footer.site a{color:#a9bccd}
footer.site .bottom{border-top:1px solid #1d3a58;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* Breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}

/* Download block */
.dl-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;box-shadow:var(--shadow)}

@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .pd{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  footer.site .cols{grid-template-columns:1fr}
}
@media(max-width:640px){
  nav.links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px 20px;gap:14px;border-bottom:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.08)}
  nav.links.open{display:flex}
  .hamburger{display:block}
  .hero h1{font-size:1.8rem}
  .hero{background:linear-gradient(120deg,rgba(8,20,40,.88) 0%,rgba(8,20,40,.78) 100%),url(img/hero-poster.jpg) center/cover no-repeat}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  section{padding:40px 0}
}