:root { 
    --dark: #050505; --surface: #0f0f0f; --gold: #D4AF37; --text: #F8FAFC; 
    --border: rgba(212, 175, 55, 0.15); --side-pad: 10%; 
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }
body { background-color: var(--dark); color: var(--text); font-family: 'Plus Jakarta Sans', sans-serif; overflow-x: hidden; width: 100%; -webkit-font-smoothing: antialiased; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--side-pad); }

/* --- NAVIGATION --- */
nav { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 18px 0; background: rgba(5, 5, 5, 0.95); backdrop-filter: blur(15px); border-bottom: 1px solid var(--border); }
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.nav-logo img { height: 32px; }
.nav-links { display: flex; gap: 25px; align-items: center; }
.nav-links a { color: white; text-decoration: none; font-size: 0.7rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; transition: 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

/* --- HERO --- */
.hero { height: 100vh; display: flex; justify-content: center; align-items: center; text-align: center; position: relative; padding-top: 80px; }
.industrial-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(5, 5, 5, 0.75), rgba(5, 5, 5, 0.9)), url('https://images.unsplash.com/photo-1673786586360-19e8f8acb53f?q=80&w=870&auto=format&fit=crop'); background-size: cover; background-position: center; z-index: -2; }
.hero h1 { font-size: clamp(2.2rem, 10vw, 5.5rem); font-weight: 900; line-height: 0.85; text-transform: uppercase; margin-bottom: 25px; letter-spacing: -2px; }
.hero p { max-width: 750px; margin: 0 auto 35px; color: #94a3b8; font-size: clamp(0.9rem, 2vw, 1.1rem); line-height: 1.6; }

/* --- BUTTONS --- */
.btn { padding: 18px 38px; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; text-decoration: none; transition: 0.3s; font-size: 0.8rem; border: none; cursor: pointer; display: inline-block; text-align: center; border-radius: 0; }
.btn-gold { background: var(--gold); color: black; }
.btn-outline { border: 1px solid white; color: white; background: transparent; }
.btn:hover { transform: translateY(-5px); background: white; color: black; border-color: white; }

/* --- SECTIONS --- */
.section { padding: 100px 0; border-top: 1px solid var(--border); }
.gold-tag { color: var(--gold); font-weight: 800; letter-spacing: 4px; text-transform: uppercase; font-size: 0.65rem; display: block; margin-bottom: 20px; }

/* --- GRID & CARDS --- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.card { background: var(--surface); border: 1px solid var(--border); transition: 0.3s; padding: 30px; border-left: 3px solid var(--gold); }

/* --- PARTNER MARQUEE --- */
.client-strip { padding: 60px 0; background: #FFF; overflow: hidden; width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; }
.scroll-track { display: flex; width: calc(250px * 16); animation: scroll 30s linear infinite; align-items: center; }
.scroll-track img { height: 40px; width: 200px; object-fit: contain; margin: 0 40px; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-250px * 8)); } }

/* --- FORM --- */
.form-card { background: var(--surface); padding: clamp(30px, 6vw, 60px); border: 2px solid var(--border); max-width: 850px; margin: 0 auto; }
input, textarea { width: 100%; background: #080808; border: 1px solid #222; border-left: 3px solid #222; padding: 18px; color: white; margin-bottom: 20px; font-family: inherit; outline: none; border-radius: 0; }

footer { padding: 60px 0; background: #080808; text-align: center; font-size: 0.6rem; color: #444; letter-spacing: 3px; border-top: 1px solid var(--border); }
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: #25d366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 28px; z-index: 1000; text-decoration: none; }

@media (max-width: 768px) { .nav-links { display: none; } .hero h1 { letter-spacing: -1px; } }
/* Add these to your existing style.css */

/* Navigation Active State */
.nav-links a.active {
    color: var(--gold) !important;
    border-bottom: 2px solid var(--gold);
    padding-bottom: 5px;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    z-index: 2000;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    transition: 0.3s;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    background: #20ba5a;
}

/* Responsive Nav Fix */
@media (max-width: 768px) {
    .nav-links { gap: 15px; }
    .nav-links a { font-size: 0.6rem; }
}