/* B2B Wholesale Site — Professional, Dark, Trust-oriented */
:root{--ti:#D4745C;--bg:#0d1117;--card:#161b22;--border:#30363d;--text:#c9d1d9;--muted:#8b949e;--green:#25D366}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--ti);text-decoration:none}
h2{font-size:2rem;margin-bottom:40px;text-align:center}

/* Header */
.b2b-header{background:rgba(22,27,34,0.95);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}
.b2b-nav{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.4rem;font-weight:700;color:#fff!important}
.ti{color:var(--ti);font-weight:900;font-size:1.6rem}
.b2b-nav nav{display:flex;gap:28px;align-items:center}
.b2b-nav nav a{color:var(--muted);font-size:0.9rem;font-weight:500;transition:color .2s}
.b2b-nav nav a:hover{color:#fff}
.btn-inquiry{background:var(--ti);color:#fff!important;padding:10px 20px;border-radius:6px;font-weight:600!important}

/* Hero */
.b2b-hero{text-align:center;padding:100px 24px 60px;background:linear-gradient(180deg,#0d1117 0%,#161b22 100%)}
.b2b-hero h1{font-size:2.6rem;color:#fff;margin-bottom:12px}
.b2b-hero>p{color:var(--muted);font-size:1.2rem;max-width:600px;margin:0 auto 48px}
.hero-stats{display:flex;justify-content:center;gap:60px;flex-wrap:wrap}
.hero-stats div{text-align:center}
.hero-stats strong{display:block;font-size:2.4rem;color:var(--ti)}
.hero-stats span{color:var(--muted);font-size:0.9rem}

/* Products */
.b2b-products{padding:80px 24px;max-width:1300px;margin:0 auto}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.prod-card{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:transform .2s}
.prod-card:hover{transform:translateY(-2px)}
.prod-img{aspect-ratio:1;background:#0d1117;display:flex;align-items:center;justify-content:center;overflow:hidden}
.prod-img img{width:100%;height:100%;object-fit:cover}
.prod-info{padding:20px}
.prod-info h3{font-size:1.1rem;color:#fff;margin-bottom:6px}
.prod-sku{color:var(--muted);font-size:0.8rem;margin-bottom:8px}
.prod-price{font-size:1.3rem;font-weight:700;color:var(--ti)}
.prod-moq{color:var(--muted);font-size:0.85rem;margin-top:4px}
.prod-tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.prod-tags span{background:#1a2332;color:var(--ti);padding:3px 10px;border-radius:20px;font-size:0.75rem}

/* Capabilities */
.b2b-capabilities{padding:80px 24px;background:var(--card)}
.cap-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap-card{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:28px}
.cap-card h3{color:#fff;margin-bottom:8px}
.cap-card p{color:var(--muted);font-size:0.9rem}

/* About */
.b2b-about{padding:80px 24px;max-width:800px;margin:0 auto;text-align:center}
.b2b-about p{color:var(--muted);margin-bottom:16px;font-size:1.05rem}

/* FAQ */
.b2b-faq{padding:80px 24px;max-width:800px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:24px;margin-bottom:12px}
.faq-item h3{color:#fff;margin-bottom:8px;font-size:1rem}
.faq-item p{color:var(--muted);font-size:0.9rem}

/* Contact */
.b2b-contact{padding:80px 24px;background:var(--card);text-align:center}
.b2b-contact form{max-width:700px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.b2b-contact input,.b2b-contact select,.b2b-contact textarea{width:100%;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:#fff;font-size:1rem;font-family:inherit}
.b2b-contact textarea{min-height:120px;margin-bottom:12px}
.btn-submit{width:100%;padding:18px;background:var(--ti);color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:700;cursor:pointer}
.btn-submit:hover{opacity:0.9}
.contact-info{margin-top:24px;color:var(--muted)}

/* Footer */
.b2b-footer{text-align:center;padding:24px;color:var(--muted);font-size:0.85rem;border-top:1px solid var(--border)}

@media(max-width:767px){
  .b2b-nav{flex-direction:column;gap:12px}
  .b2b-nav nav{gap:16px;flex-wrap:wrap;justify-content:center}
  .b2b-hero h1{font-size:1.8rem}
  .hero-stats{gap:24px}
  .cap-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
}