/* =========================================================
   FERROBEND THEME — SHARED VISUAL FOUNDATION
========================================================= */
:root{
    --primary:#0B1F3A;
    --secondary:#1F4E79;
    --accent:#B87333;
    --background:#F8FAFC;
    --text:#1E293B;
    --border:#E2E8F0;
    --white:#FFFFFF;

    --shadow:0 15px 35px rgba(11,31,58,.08);
    --shadow-hover:0 25px 50px rgba(11,31,58,.15);
    --radius:16px;
    --transition:.35s ease;

    --dark:var(--primary);
    --light:var(--background);
    --primary-dark:#071426;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:'Poppins',sans-serif;
    background:var(--background);
    color:var(--text);
    line-height:1.7;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font:inherit}
.container{width:90%;max-width:1200px;margin:0 auto}

.header{
    width:100%;
    background:var(--white);
    position:relative;
    z-index:1000;
    box-shadow:0 5px 20px rgba(0,0,0,.05);
}
.header .container{
    min-height:85px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}
.logo-img{height:55px;width:auto;object-fit:contain}
.navbar>ul{
    display:flex;
    align-items:center;
    gap:35px;
}
.navbar a{
    font-size:15px;
    font-weight:500;
    color:var(--primary);
    transition:var(--transition);
}
.navbar a:hover{color:var(--secondary)}
.navbar .active{color:var(--accent)}
.dropdown{position:relative}
.dropdown>a{display:flex;align-items:center;gap:7px}
.dropdown-menu{
    position:absolute;
    top:100%;
    left:0;
    margin-top:10px;
    width:240px;
    display:flex;
    flex-direction:column;
    background:var(--white);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:10px 0;
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:var(--transition);
    z-index:999;
}
.dropdown-menu li{width:100%}
.dropdown-menu li a{
    display:block;
    width:100%;
    padding:12px 25px;
    font-size:14px;
    color:var(--primary);
    background:var(--white);
}
.dropdown-menu li a:hover{background:#F4F7FB;color:var(--secondary)}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:14px 32px;
    border-radius:8px;
    font-size:15px;
    font-weight:600;
    transition:var(--transition);
}
.primary-btn{background:var(--accent);color:var(--white)}
.primary-btn:hover{background:#965A27;transform:translateY(-3px)}
.secondary-btn{
    border:1px solid var(--white);
    color:var(--white);
    background:transparent;
}
.secondary-btn:hover{background:var(--white);color:var(--primary)}

.section-header{
    text-align:center;
    max-width:800px;
    margin:0 auto 60px;
}
.section-tag{
    display:inline-block;
    color:var(--accent);
    text-transform:uppercase;
    letter-spacing:2px;
    font-size:14px;
    font-weight:600;
    margin-bottom:12px;
}
.section-header h2{
    font-size:38px;
    color:var(--primary);
    line-height:1.3;
    margin-bottom:20px;
}
.section-header>p{color:#64748B;font-size:16px}

.footer{
    background:#071426;
    padding:70px 0 25px;
    color:var(--white);
}
.footer-content{
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:50px;
}
.footer-logo{height:55px;width:auto;margin-bottom:20px}
.footer-about p{color:rgba(255,255,255,.7);max-width:350px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links h3{margin-bottom:15px;color:var(--white)}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:var(--transition)}
.footer-links a:hover{color:var(--accent)}
.copyright{
    margin-top:50px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.1);
    text-align:center;
}
.copyright p{color:rgba(255,255,255,.6);font-size:14px}

.social-links{display:flex;gap:15px;margin-top:25px}
.social-links a{
    width:40px;height:40px;display:flex;align-items:center;justify-content:center;
    border-radius:50%;background:rgba(255,255,255,.1);color:var(--white);
    font-size:18px;transition:var(--transition)
}
.social-links a:hover{background:var(--accent);transform:translateY(-4px)}
.live-clock{margin-top:25px;display:flex;flex-direction:column;gap:8px;color:rgba(255,255,255,.75);font-size:14px}
.live-clock span{color:rgba(255,255,255,.9)}
.clock-location{color:rgba(255,255,255,.75)}

.whatsapp-float{
    position:fixed;
    right:30px;
    bottom:30px;
    width:65px;height:65px;
    display:flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:#25D366;
    color:#fff;
    font-size:34px;
    box-shadow:0 8px 25px rgba(0,0,0,.25);
    z-index:9999;
    transition:.3s ease;
    animation:whatsappPulse 2s infinite;
}
.whatsapp-float:hover{transform:scale(1.08);color:#fff}
@keyframes whatsappPulse{
    0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}
    70%{box-shadow:0 0 0 15px rgba(37,211,102,0)}
    100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}
}

/* =========================================================
   HOMEPAGE
========================================================= */
.hero{
    min-height:650px;
    background:
        linear-gradient(135deg,#0B1F3A 0%,#163A63 100%),
        url("../images/spiral-gasket.jpg");
    background-size:cover;
    background-position:center;
    display:flex;
    align-items:center;
    position:relative;
}
.hero-container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:80px;
    width:100%;
}
.hero-content{flex:1;max-width:600px;color:var(--white);z-index:2}
.hero-image{flex:1;display:flex;justify-content:center;align-items:center;z-index:2}
.hero-image img{width:100%;max-width:520px;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35));animation:floatImage 5s ease-in-out infinite}
.hero-tag{display:inline-block;color:#D9B38C;font-size:15px;font-weight:600;letter-spacing:2px;text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:52px;line-height:1.2;font-weight:700;margin-bottom:25px}
.hero-description{max-width:720px;font-size:17px;color:rgba(255,255,255,.85);margin-bottom:40px}
.hero-buttons{display:flex;gap:20px;flex-wrap:wrap}
@keyframes floatImage{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

.about-section{padding:100px 0;background:var(--white)}
.about-content{display:grid;grid-template-columns:1fr 380px;gap:60px;align-items:center}
.about-text p{margin-bottom:20px;color:#475569}
.about-points{margin-top:35px;display:flex;flex-direction:column;gap:18px}
.point{display:flex;align-items:center;gap:15px;font-weight:500;color:var(--primary)}
.point i{width:45px;height:45px;display:flex;align-items:center;justify-content:center;background:rgba(31,78,121,.1);color:var(--secondary);border-radius:50%}
.about-card{background:var(--background);padding:35px;border-radius:var(--radius);box-shadow:var(--shadow)}
.stats-box h3{font-size:22px;color:var(--primary);margin-bottom:25px}
.stat{padding:18px 0;border-bottom:1px solid var(--border)}
.stat:last-child{border-bottom:0}
.stat strong{display:block;font-size:28px;color:var(--accent)}
.stat span{color:#64748B;font-size:14px}

.products-section,.material-section,.why-section{padding:100px 0;background:var(--background)}
.technical-section,.industries-section{padding:100px 0;background:var(--white)}

.product-grid,.standards-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.industries-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}

.product-card,.standard-card,.material-card,.industry-card,.why-card{
    position:relative;
    overflow:hidden;
    border:1px solid var(--border);
    border-radius:var(--radius);
    transition:var(--transition);
}
.product-card:hover,.standard-card:hover,.material-card:hover,.industry-card:hover,.why-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--shadow-hover);
}
.product-card:before,.material-card:before,.standard-card:before{
    content:"";
    position:absolute;top:0;left:0;width:100%;height:3px;
    background:var(--accent);
    transform:scaleX(0);transform-origin:left;
    transition:var(--transition);
}
.product-card:hover:before,.material-card:hover:before,.standard-card:hover:before{transform:scaleX(1)}

.product-card{background:var(--white);padding:30px 15px;text-align:center}
.icon-box{width:70px;height:70px;margin:0 auto 25px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(31,78,121,.1);color:var(--secondary);font-size:28px}
.product-card h3{color:var(--primary);font-size:22px;margin-bottom:15px}
.product-card p{color:#64748B}

.standard-card{padding:30px 15px;text-align:center;background:var(--background)}
.standard-card h3{font-size:26px;color:var(--secondary);margin-bottom:10px}
.standard-card p{font-size:13px;color:#64748B}

.material-card{background:var(--white);padding:35px}
.material-card h3{color:var(--primary);margin-bottom:15px;font-size:22px}
.material-card p{color:#64748B}

.industry-card{padding:35px 30px;background:var(--background)}
.industry-card i{font-size:32px;color:var(--accent);margin-bottom:20px}
.industry-card h3{font-size:21px;color:var(--primary);margin-bottom:12px}
.industry-card p{color:#64748B}

.why-card{background:var(--white);padding:35px 25px;text-align:center}
.why-card i{font-size:35px;color:var(--secondary);margin-bottom:20px}
.why-card h3{font-size:20px;color:var(--primary);margin-bottom:15px}
.why-card p{color:#64748B}

.contact-cta{
    padding:90px 0;
    background:var(--primary);
    text-align:center;
    color:var(--white);
}
.contact-cta h2{font-size:38px;margin-bottom:20px}
.contact-cta p{max-width:700px;margin:0 auto 35px;color:rgba(255,255,255,.8)}
.contact-cta .primary-btn{background:var(--accent)}