*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#1e293b;background:#fff;line-height:1.6;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid #e2e8f0;transition:all .3s ease;padding:16px 0}
.navbar.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-icon{width:42px;height:42px;background:linear-gradient(135deg,#1e40af,#3b82f6);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.logo-text{font-size:20px;font-weight:700;color:#1e293b}
.logo-text span{color:#2563eb}
.nav-menu{display:flex;list-style:none;gap:32px;align-items:center}
.nav-link{text-decoration:none;color:#475569;font-weight:500;font-size:15px;transition:color .3s;position:relative}
.nav-link:hover,.nav-link.active{color:#2563eb}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:#2563eb;border-radius:1px}
.lang-switch{display:flex;gap:4px;background:#f1f5f9;padding:4px;border-radius:8px}
.lang-btn{padding:6px 14px;border:none;background:transparent;color:#64748b;font-size:13px;font-weight:600;cursor:pointer;border-radius:6px;transition:all .3s;text-decoration:none}
.lang-btn.active{background:#fff;color:#2563eb;box-shadow:0 2px 4px rgba(0,0,0,.06)}
.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.mobile-menu-btn span{width:24px;height:2px;background:#1e293b;transition:all .3s}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.hero{padding:160px 0 100px;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 50%,#1e40af 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:.5}
.hero-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{font-size:48px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}
.hero-text h1 span{background:linear-gradient(90deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:18px;color:#94a3b8;margin-bottom:32px;line-height:1.7}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-weight:600;font-size:15px;text-decoration:none;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,99,235,.5)}
.btn-outline{border:2px solid rgba(255,255,255,.3);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.hero-stats{display:flex;gap:40px;margin-top:48px;flex-wrap:wrap}
.hero-stat h3{font-size:32px;font-weight:700;color:#fff}
.hero-stat h3 span{color:#60a5fa}
.hero-stat p{font-size:14px;color:#94a3b8;margin-top:4px}
.hero-image{position:relative}
.hero-card{background:rgba(255,255,255,.08);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:32px;position:relative}
.hero-card-title{color:#fff;font-size:18px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.hero-card-title::before{content:'';width:8px;height:8px;background:#10B981;border-radius:50%;box-shadow:0 0 10px #10B981}
.product-preview{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.preview-item{background:rgba(255,255,255,.05);border-radius:10px;padding:16px;text-align:center;transition:all .3s}
.preview-item:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.preview-icon{font-size:32px;margin-bottom:8px}
.preview-name{color:#cbd5e1;font-size:13px;font-weight:500}
.section{padding:100px 0}
.section-header{text-align:center;margin-bottom:60px}
.section-label{display:inline-block;padding:6px 16px;background:#eff6ff;color:#2563eb;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}
.section-title{font-size:36px;font-weight:700;color:#0f172a;margin-bottom:16px}
.section-desc{font-size:17px;color:#64748b;max-width:600px;margin:0 auto}
.products-section{background:#f8fafc}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .4s;position:relative}
.product-card:hover{transform:translateY(-8px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.product-image{height:180px;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);display:flex;align-items:center;justify-content:center;font-size:64px;position:relative;overflow:hidden}
.product-image::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,transparent 50%,rgba(37,99,235,.05))}
.product-badge{position:absolute;top:12px;right:12px;padding:4px 12px;background:#2563eb;color:#fff;font-size:12px;font-weight:600;border-radius:20px;z-index:1}
.product-info{padding:20px}
.product-name{font-size:16px;font-weight:600;color:#1e293b;margin-bottom:8px}
.product-material{font-size:13px;color:#64748b;margin-bottom:12px}
.product-specs{display:flex;flex-wrap:wrap;gap:6px}
.spec-tag{padding:3px 10px;background:#f1f5f9;color:#475569;font-size:11px;font-weight:500;border-radius:6px}
.why-us-section{background:#fff}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:center;padding:32px 24px;background:#f8fafc;border-radius:16px;transition:all .3s}
.feature-card:hover{background:#eff6ff;transform:translateY(-4px)}
.feature-icon{width:64px;height:64px;margin:0 auto 20px;background:linear-gradient(135deg,#2563eb,#3b82f6);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.feature-title{font-size:16px;font-weight:600;color:#1e293b;margin-bottom:10px}
.feature-desc{font-size:14px;color:#64748b;line-height:1.6}
.stats-section{background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);padding:80px 0;position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;position:relative;z-index:1}
.stat-item{text-align:center}
.stat-number{font-size:48px;font-weight:800;color:#fff;margin-bottom:8px}
.stat-number span{color:#60a5fa}
.stat-label{font-size:15px;color:#94a3b8}
.factory-section{background:#f8fafc}
.factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.factory-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .3s}
.factory-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.factory-image{height:200px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);display:flex;align-items:center;justify-content:center;font-size:64px}
.factory-info{padding:20px}
.factory-title{font-size:16px;font-weight:600;color:#1e293b;margin-bottom:8px}
.factory-desc{font-size:14px;color:#64748b}
.certs-row{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.cert-card{background:#fff;padding:16px 28px;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);display:flex;align-items:center;gap:12px}
.cert-icon{font-size:28px}
.cert-name{font-weight:600;color:#1e293b;font-size:14px}
.contact-section{background:#fff}
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info h3{font-size:24px;font-weight:700;color:#1e293b;margin-bottom:20px}
.contact-info p{color:#64748b;margin-bottom:32px;line-height:1.7}
.contact-item{display:flex;gap:16px;margin-bottom:24px}
.contact-icon{width:48px;height:48px;background:#eff6ff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-text h4{font-size:15px;font-weight:600;color:#1e293b;margin-bottom:4px}
.contact-text p{font-size:14px;color:#64748b;margin:0}
.contact-form{background:#f8fafc;padding:32px;border-radius:16px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;color:#334155;margin-bottom:8px}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:2px solid #e2e8f0;border-radius:10px;font-size:15px;font-family:inherit;transition:border-color .3s;background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#2563eb}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.submit-btn{width:100%;padding:14px;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(37,99,235,.4)}
.footer{background:#0f172a;color:#94a3b8;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-text{color:#fff;font-size:22px;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:20px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#94a3b8;text-decoration:none;font-size:14px;transition:color .3s}
.footer-col a:hover{color:#60a5fa}
.footer-bottom{border-top:1px solid #1e293b;padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:13px}
.page-header{padding:140px 0 60px;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.page-header-content{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 24px;text-align:center}
.page-header h1{font-size:42px;font-weight:800;color:#fff;margin-bottom:12px}
.page-header p{font-size:18px;color:#94a3b8}
.breadcrumb{display:flex;justify-content:center;gap:8px;margin-bottom:16px}
.breadcrumb a,.breadcrumb span{font-size:14px;color:#94a3b8;text-decoration:none}
.breadcrumb a:hover{color:#60a5fa}
.breadcrumb .current{color:#fff;font-weight:500}
.product-detail-section{padding:80px 0}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.product-gallery{background:#f8fafc;border-radius:16px;padding:40px;display:flex;align-items:center;justify-content:center;min-height:400px}
.product-gallery-icon{font-size:120px}
.product-detail-info h1{font-size:28px;font-weight:700;color:#1e293b;margin-bottom:16px}
.product-price{font-size:24px;font-weight:700;color:#2563eb;margin-bottom:24px}
.product-desc{color:#64748b;line-height:1.8;margin-bottom:24px}
.spec-table{width:100%;margin-bottom:24px;border-collapse:collapse}
.spec-table td{padding:12px 0;border-bottom:1px solid #e2e8f0;font-size:14px}
.spec-table td:first-child{color:#64748b;font-weight:500;width:120px}
.spec-table td:last-child{color:#1e293b;font-weight:600}
.about-section{padding:80px 0}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text h2{font-size:32px;font-weight:700;color:#1e293b;margin-bottom:20px}
.about-text p{color:#64748b;line-height:1.8;margin-bottom:16px}
.about-image{height:400px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:100px}
@media(max-width:1024px){.product-grid,.features-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}.factory-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-menu{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:0;border-bottom:1px solid #e2e8f0;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all .3s}.nav-menu.open{transform:translateY(0);opacity:1;visibility:visible}.nav-menu li{padding:12px 0;border-bottom:1px solid #f1f5f9}.mobile-menu-btn{display:flex}.hero-content{grid-template-columns:1fr;text-align:center}.hero-text h1{font-size:32px}.hero-buttons{justify-content:center}.hero-stats{justify-content:center}.product-grid,.features-grid,.stats-grid{grid-template-columns:1fr 1fr}.factory-grid{grid-template-columns:1fr}.contact-wrapper,.about-content,.product-detail{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.section-title{font-size:26px}.page-header h1{font-size:28px}}
@media(max-width:480px){.product-grid,.features-grid{grid-template-columns:1fr}.hero-text h1{font-size:26px}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}


/* ========================================
   Iteration 3: WhatsApp Float + Mobile CTA
   ======================================== */

/* --- WhatsApp Float Button --- */
.wa-float-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}

.wa-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
    color: white;
}

.wa-float-btn svg {
    width: 32px;
    height: 32px;
}

.wa-float-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #25D366;
    opacity: 0.6;
    animation: wa-pulse 2s infinite;
    z-index: -1;
}

@keyframes wa-pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    70% {
        transform: scale(1.5);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* --- Mobile Bottom CTA Bar --- */
.mobile-cta-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-top: 1px solid #e5e7eb;
    z-index: 9998;
    padding: 8px 12px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
}

.mobile-cta-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 100%;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.mobile-cta-btn svg {
    width: 20px;
    height: 20px;
}

.mobile-cta-quote {
    background: var(--primary-color, #2563eb);
    color: white;
    margin-right: 8px;
}

.mobile-cta-quote:hover {
    background: var(--primary-dark, #1d4ed8);
    color: white;
}

.mobile-cta-whatsapp {
    background: #25D366;
    color: white;
}

.mobile-cta-whatsapp:hover {
    background: #1fb957;
    color: white;
}

/* Mobile body padding for CTA bar */
@media (max-width: 767px) {
    .mobile-cta-bar {
        display: flex;
    }
    
    body {
        padding-bottom: 70px;
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
    }
    
    .wa-float-btn {
        right: 16px;
        bottom: 80px;
        bottom: calc(80px + env(safe-area-inset-bottom));
        width: 52px;
        height: 52px;
    }
    
    .wa-float-btn svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .mobile-cta-btn span {
        font-size: 13px;
    }
}