/* ===== YSL Products Co., Ltd. - Shared Styles ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;background:#fafafa;color:#333;line-height:1.6}

/* Navigation */
nav{background:#1a1a1a;padding:0;position:sticky;top:0;z-index:999;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.nav-inner{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:60px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-weight:700;font-size:18px}
.nav-links{display:flex;gap:5px}
.nav-links a{color:#ccc;text-decoration:none;font-size:14px;padding:8px 14px;border-radius:6px;transition:all .3s;font-weight:500}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}

/* Hero Section */
.hero{position:relative;background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 50%,#8B6B4A 100%);min-height:500px;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 20px;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.hero-content{position:relative;z-index:2;max-width:750px}
.hero-content h1{font-size:48px;font-weight:800;color:#fff;margin-bottom:15px;line-height:1.2}
.hero-content p{font-size:18px;color:#ddd;margin-bottom:35px;line-height:1.7}
.hero-btns{display:flex;gap:15px;justify-content:flex-end;flex-wrap:wrap}
.btn{padding:14px 32px;border-radius:8px;font-weight:700;font-size:16px;text-decoration:none;display:inline-block;transition:all .3s;font-family:inherit}
.btn-primary{background:#8B6B4A;color:#fff}
.btn-primary:hover{background:#7a5e41;transform:translateY(-2px);box-shadow:0 8px 25px rgba(139,107,74,.4)}
.btn-outline{border:2px solid #fff;color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:#1a1a1a;transform:translateY(-2px)}

/* Trust Bar */
.trust-bar{display:flex;justify-content:center;align-items:center;padding:40px 20px;background:#fff;flex-wrap:wrap;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.trust-item{text-align:center;min-width:160px;padding:10px 35px}
.trust-item+.trust-item{border-left:1px solid #e0e0e0}
.trust-num{display:block;font-size:38px;font-weight:700;color:#8B6B4A;line-height:1.2;letter-spacing:-1px}
.trust-label{display:block;font-size:13px;color:#888;margin-top:6px;text-transform:uppercase;letter-spacing:1.5px;font-weight:600}

/* Sections */
section{max-width:1200px;margin:auto;padding:60px 20px}
h2{text-align:center;margin-bottom:15px;font-size:34px;font-weight:700;color:#1a1a1a}
.section-sub{text-align:center;color:#888;margin-bottom:45px;font-size:16px}

/* Category Cards (Home page) */
.category-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.category-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 25px rgba(0,0,0,.08);transition:.3s;text-align:center}
.category-card:hover{transform:translateY(-8px);box-shadow:0 15px 35px rgba(0,0,0,.12)}
.category-card img{width:100%;height:220px;object-fit:contain}
.category-card h3{padding:18px;margin:0;color:#333;font-weight:600}
.category-card a{text-decoration:none}

/* About Section */
.about-section{display:flex;flex-wrap:wrap;gap:40px;align-items:center}
.about-image,.about-content{flex:1;min-width:300px}
.about-image img{width:100%;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.about-content h2{text-align:left;margin-bottom:15px}
.about-content>p{color:#555;line-height:1.8;margin-bottom:25px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.af-item{display:flex;align-items:flex-start;gap:12px;padding:12px;background:#f8f8f8;border-radius:8px}
.af-icon{font-size:20px;flex-shrink:0}
.af-item strong{display:block;font-size:14px;margin-bottom:2px;color:#333}
.af-item p{font-size:12px;color:#777;margin:0;line-height:1.5}

/* Contact Section */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:25px;margin-top:20px}
.contact-card{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:.3s}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.contact-icon{font-size:32px;margin-bottom:12px}
.contact-card h3{font-size:16px;margin-bottom:8px;color:#333;font-weight:600}
.contact-card p{font-size:14px;color:#666}
.contact-card a{color:#8B6B4A;text-decoration:none;font-weight:500;transition:color .3s}
.contact-card a:hover{color:#5a4530}

/* Product Grid (Category pages) */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:1200px;margin:auto;width:100%}
.card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.06);transition:.3s;cursor:pointer;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.card img{width:100%;height:220px;object-fit:contain;display:block}
.card .card-label{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.65);color:#fff;padding:8px 10px;font-size:13px;text-align:center;opacity:0;transition:opacity .3s}
.card:hover .card-label{opacity:1}
.card .card-name{padding:10px 10px 4px;font-size:14px;font-weight:700;text-align:center;color:#333}
.card .card-spec{padding:0 10px 12px;font-size:12px;text-align:center;color:#888}

/* Modal / Lightbox */
.modal-overlay{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.75);overflow-y:auto}
.modal-overlay.active{display:flex;align-items:flex-start;justify-content:center;padding:40px 20px}
.modal-dialog{background:#fff;border-radius:12px;max-width:800px;width:100%;margin:20px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:28px;cursor:pointer;color:#999;line-height:1;z-index:10}
.modal-close:hover{color:#333}
.modal-image-wrap{position:relative;background:#f0f0f0;text-align:center;padding:20px}
.modal-image-wrap img{max-width:100%;max-height:450px;object-fit:contain}
.modal-body{padding:25px 30px 30px}
.modal-body h2{font-size:26px;margin-bottom:8px;text-align:left}
.modal-body .modal-sku{color:#999;font-size:13px;margin-bottom:15px}
.modal-body table{width:100%;border-collapse:collapse;margin:15px 0}
.modal-body table td{padding:8px 12px;border-bottom:1px solid #eee;font-size:14px}
.modal-body table td:first-child{color:#666;width:120px;font-weight:bold}
.modal-body .modal-desc{color:#555;line-height:1.7;margin:15px 0}
.modal-body .modal-cta{display:inline-block;background:#8B6B4A;color:#fff;padding:12px 30px;border-radius:6px;text-decoration:none;font-weight:bold;margin-top:10px;transition:background .3s}
.modal-body .modal-cta:hover{background:#7a5e41}

/* Category Page Header */
.page-header{background:#1a1a1a;color:#fff;text-align:center;padding:50px 20px}
.page-header h1{font-size:36px;margin-bottom:5px;font-weight:700}

/* Footer */
footer{background:#1a1a1a;color:#fff;padding:50px 20px 25px;margin-top:0}
.footer-grid{max-width:1200px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-col .logo{max-height:50px;margin-bottom:12px}
.footer-col>p{color:#aaa;font-size:14px;line-height:1.7;margin:0}
.footer-col h4{font-size:15px;margin-bottom:15px;color:#fff;font-weight:600}
.footer-col a{display:block;color:#aaa;text-decoration:none;font-size:14px;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#8B6B4A}
.footer-bottom{border-top:1px solid #333;margin-top:30px;padding-top:20px;text-align:center}
.footer-bottom p{color:#666;font-size:13px}

/* Floating WhatsApp */
.float-wa{position:fixed;bottom:30px;right:30px;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(37,211,102,.4);z-index:999;transition:all .3s;text-decoration:none}
.float-wa:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(37,211,102,.5)}

/* Connect buttons (legacy) */
.quick-links{display:flex;gap:10px;align-items:center}
.quick-links .btn-link{display:flex;align-items:center;gap:6px;color:#fff;background:#555;padding:10px 20px;text-decoration:none;border-radius:6px;font-weight:bold;transition:background .3s;font-size:15px}
.quick-links .btn-link:hover{background:#8B6B4A}
.quick-links .btn-link svg{width:20px;height:20px;fill:#8B6B4A;transition:fill .3s}
.quick-links .btn-link:hover svg{fill:#fff}

/* Responsive */
@media(max-width:768px){
  .nav-inner{flex-direction:column;height:auto;padding:12px 20px;gap:10px}
  .nav-links{flex-wrap:wrap;justify-content:center}
  .nav-links a{font-size:12px;padding:6px 10px}
  .hero-content h1{font-size:32px}
  .hero-content p{font-size:15px}
  .hero{min-height:400px;padding:60px 20px}
  .trust-item{min-width:120px;padding:12px 20px}
  .trust-item+.trust-item{border-left:none;border-top:1px solid #e0e0e0}
  .trust-num{font-size:30px}
  .about-features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:25px}
  .grid{grid-template-columns:repeat(2,1fr)!important}
  .page-header h1{font-size:28px}
  .modal-dialog{margin:10px}
  .modal-body{padding:15px 20px 20px}
  .modal-body h2{font-size:22px}
  h2{font-size:26px}
}