:root {
    --primary-blue: #0a192f;
    --accent-red: #dc3545;
    --tech-gray: #f8f9fa;
    --whatsapp-green: #25d366;
}

body { font-family: 'Inter', sans-serif; color: #333; scroll-behavior: smooth; overflow-x: hidden; }
h1, h2, h3, .navbar-brand { font-family: 'Orbitron', sans-serif; text-transform: uppercase; }

.navbar { background: var(--primary-blue); padding: 1rem 0; border-bottom: 3px solid var(--accent-red); }
.navbar-brand, .nav-link { color: white !important; font-size: 0.95rem; }

@media (max-width: 991px) {
    .navbar-nav { padding: 1rem 0; text-align: center; }
    .nav-item { margin-bottom: 10px; }
}

.btn-red { background: var(--accent-red); color: white; border-radius: 50px; font-weight: bold; border: none; padding: 10px 20px; transition: 0.3s; }
.btn-red:hover { background: #a71d2a; color: white; transform: scale(1.05); }

.fa-radiation { display: inline-block; }
@keyframes spin { 100% { transform: rotate(360deg); } }

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--whatsapp-green);
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: 0.3s;
}
.whatsapp-float:hover { transform: scale(1.1); color: white; }

.page-section { padding: 80px 0; min-height: 80vh; display: none; }
.page-section.active { display: block; }

.hero {
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), 
                url('https://images.unsplash.com/photo-1506015391300-4802dc74de2e?auto=format&fit=crop&q=80&w=1600') center/cover;
    height: 70vh; display: flex; align-items: center; color: white;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
}

.step-number { width: 50px; height: 50px; background: var(--accent-red); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin: 0 auto 20px; }

.feature-card { border: none; transition: 0.3s; background: var(--tech-gray); height: 100%; border-radius: 8px; }
.feature-card:hover { transform: translateY(-10px); border-bottom: 4px solid var(--accent-red); }
.icon-box { font-size: 2.5rem; color: var(--accent-red); margin-bottom: 1rem; }

footer { background: var(--primary-blue); color: rgba(255,255,255,0.7); padding: 60px 0 20px; }
.footer-link { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.9rem; }
.footer-link:hover { color: var(--accent-red); }
.social-icons a { color: white; font-size: 1.2rem; margin-right: 15px; }

.legal-content { line-height: 1.8; color: #444; }