/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:#0a0e17;color:#e0e0e0;line-height:1.6;overflow-x:hidden}

/* ===== COLORS ===== */
:root{
  --bg-primary:#0a0e17;
  --bg-secondary:#111827;
  --bg-card:#1a1f2e;
  --bg-card-hover:#1f2937;
  --accent:#f59e0b;
  --accent2:#3b82f6;
  --text-primary:#f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:#64748b;
  --border:#1e293b;
  --nav-height:64px;
}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:100px 0}
.section-title{font-size:2.2rem;font-weight:800;color:var(--text-primary);text-align:center;margin-bottom:12px}
.section-sub{font-size:1.05rem;color:var(--text-secondary);text-align:center;margin-bottom:48px}
.dark-bg{background:var(--bg-secondary)}

/* ===== NAV ===== */
#navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,14,23,0.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:all 0.3s}
#navbar.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.3)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;height:var(--nav-height)}
.logo{font-size:1.5rem;font-weight:800;color:var(--text-primary);text-decoration:none}
.logo span{color:var(--accent)}
#navLinks{display:flex;list-style:none;gap:32px}
#navLinks a{color:var(--text-secondary);text-decoration:none;font-size:0.95rem;font-weight:500;transition:color 0.2s}
#navLinks a:hover,#navLinks a.active{color:var(--accent)}
.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}
.lang-switch{padding:4px 10px;border:1px solid var(--border);border-radius:4px;font-size:0.85rem!important;color:var(--accent)!important}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding-top:var(--nav-height)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(59,130,246,0.15) 0%,transparent 60%),radial-gradient(ellipse at 80% 70%,rgba(245,158,11,0.08) 0%,transparent 50%);z-index:0}
.hero-content{text-align:center;position:relative;z-index:1;padding:0 20px}
.hero-content h1{font-size:3.2rem;font-weight:900;color:var(--text-primary);margin-bottom:16px;line-height:1.2}
.hero-sub{font-size:1.2rem;color:var(--text-secondary);margin-bottom:40px;max-width:600px;margin-left:auto;margin-right:auto}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-bottom:48px}
.stat{text-align:center}
.stat span{display:block;font-size:2rem;font-weight:800;color:var(--accent)}
.stat{color:var(--text-muted);font-size:0.9rem}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:14px 32px;background:var(--accent);color:#000;font-weight:700;border-radius:8px;text-decoration:none;border:none;cursor:pointer;font-size:1rem;transition:all 0.2s}
.btn-primary:hover{background:#fbbf24;transform:translateY(-2px)}
.btn-outline{display:inline-block;padding:14px 32px;background:transparent;color:var(--accent);font-weight:700;border:2px solid var(--accent);border-radius:8px;text-decoration:none;font-size:1rem;transition:all 0.2s}
.btn-outline:hover{background:var(--accent);color:#000}

/* ===== FILTER BAR ===== */
.filter-bar{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}
.filter-btn{padding:8px 20px;background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border);border-radius:20px;cursor:pointer;font-size:0.9rem;transition:all 0.2s}
.filter-btn:hover,.filter-btn.active{background:var(--accent);color:#000;border-color:var(--accent)}

/* ===== PRODUCT GRID ===== */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.product-card{background:var(--bg-card);border-radius:12px;overflow:hidden;border:1px solid var(--border);transition:all 0.3s}
.product-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 30px rgba(245,158,11,0.1)}
.product-card.hidden{display:none}
.product-img{width:100%;height:220px;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{max-width:80%;max-height:80%;object-fit:contain}
.product-body{padding:20px}
.product-model{font-size:1.1rem;font-weight:700;color:var(--accent);margin-bottom:4px}
.product-name{font-size:0.9rem;color:var(--text-secondary);margin-bottom:16px}
.product-specs{list-style:none;margin-bottom:16px}
.product-specs li{font-size:0.85rem;color:var(--text-muted);padding:3px 0;display:flex;justify-content:space-between}
.product-specs li strong{color:var(--text-secondary);min-width:80px}
.product-price-row{display:flex;justify-content:space-between;align-items:center;padding-top:16px;border-top:1px solid var(--border)}
.product-ddp{font-size:1.4rem;font-weight:800;color:var(--accent)}
.product-moq{font-size:0.85rem;color:var(--text-muted)}

/* ===== ABOUT ===== */
.about-intro{max-width:800px;margin:0 auto 48px;text-align:center}
.about-intro p{color:var(--text-secondary);font-size:0.95rem;line-height:1.8;margin-bottom:16px}
.about-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.about-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:32px 24px;text-align:center;transition:all 0.3s}
.about-card:hover{border-color:var(--accent2)}
.about-icon{font-size:2.5rem;margin-bottom:16px}
.about-card h3{color:var(--text-primary);font-size:1.1rem;margin-bottom:12px}
.about-card p{color:var(--text-muted);font-size:0.9rem;line-height:1.7}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item strong{display:block;color:var(--accent);font-size:0.85rem;margin-bottom:4px}
.contact-item a,.contact-item span{color:var(--text-primary);font-size:1.05rem;text-decoration:none}
.contact-item a:hover{color:var(--accent)}
.contact-form{display:flex;flex-direction:column;gap:16px}
.contact-form input,.contact-form textarea{padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:0.95rem;outline:none;transition:border-color 0.2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent)}
.contact-form textarea{resize:vertical;min-height:100px}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-question{width:100%;padding:20px 0;text-align:left;background:none;border:none;color:var(--text-primary);font-size:1.05rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question::after{content:'+';font-size:1.3rem;color:var(--accent);transition:transform 0.3s}
.faq-item.active .faq-question::after{content:'−';transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 0 20px;color:var(--text-muted);font-size:0.95rem;line-height:1.7}

/* ===== FOOTER ===== */
footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-muted);margin-top:8px;font-size:0.9rem}
.footer-links h4,.footer-contact h4{color:var(--text-primary);font-size:1rem;margin-bottom:16px}
.footer-links a{display:block;color:var(--text-muted);text-decoration:none;font-size:0.9rem;padding:4px 0;transition:color 0.2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{color:var(--text-muted);font-size:0.9rem;padding:4px 0}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border)}
.footer-bottom p{color:var(--text-muted);font-size:0.85rem}

/* ===== COMPARE BAR ===== */
.compare-bar{display:flex;justify-content:center;align-items:center;gap:16px;padding:16px;background:var(--bg-card);border:1px solid var(--accent);border-radius:8px;margin-bottom:24px;position:sticky;top:80px;z-index:100}
#compareCount{color:var(--text-primary);font-weight:600}
#compareTable table th,#compareTable table td{white-space:nowrap}
#compareTable table th:first-child,#compareTable table td:first-child{min-width:100px}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:999;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(37,211,102,0.4);transition:all 0.3s;animation:pulse 2s infinite}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 24px rgba(37,211,102,0.6)}
@keyframes pulse{0%,100%{box-shadow:0 4px 16px rgba(37,211,102,0.4)}50%{box-shadow:0 4px 24px rgba(37,211,102,0.7)}}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
}
@media(max-width:768px){
  .menu-toggle{display:block}
  #navLinks{display:none;position:absolute;top:var(--nav-height);left:0;width:100%;background:var(--bg-primary);flex-direction:column;padding:20px;border-bottom:1px solid var(--border)}
  #navLinks.active{display:flex}
  #navLinks a{padding:12px 0}
  .hero-content h1{font-size:2rem}
  .hero-sub{font-size:0.95rem;max-width:100%;padding:0 16px}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .stat span{font-size:1.5rem}
  .section{padding:70px 0}
  .section-title{font-size:1.8rem}
  .section-sub{font-size:0.9rem;margin-bottom:36px}
  .contact-grid{grid-template-columns:1fr}
  .contact-form input,.contact-form textarea{font-size:16px} /* prevent iOS zoom */
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .product-grid{grid-template-columns:1fr}
  .product-card{max-width:400px;margin:0 auto}
  .about-grid{grid-template-columns:1fr}
  .about-intro p{text-align:left;font-size:0.9rem}
  .filter-bar{gap:8px}
  .filter-btn{padding:6px 14px;font-size:0.8rem}
  .faq-question{font-size:0.95rem;padding:16px 0}
}

@media(max-width:480px){
  .hero{min-height:80vh}
  .hero-content h1{font-size:1.5rem}
  .hero-sub{font-size:0.85rem}
  .hero-stats{gap:16px}
  .stat span{font-size:1.3rem}
  .stat{font-size:0.75rem}
  .hero-cta{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{width:100%;text-align:center;padding:12px 24px;font-size:0.95rem}
  .section-title{font-size:1.5rem}
  .section{padding:50px 0}
  .product-img{height:180px}
  .product-body{padding:16px}
  .product-ddp{font-size:1.2rem}
  .about-card{padding:24px 16px}
  .about-icon{font-size:2rem}
  .contact-item a,.contact-item span{font-size:0.9rem}
  .faq-question{font-size:0.9rem}
  footer{padding:40px 0 16px}
  .footer-grid{gap:24px}
}