:root {
    --primary-color: #0056b3;
    --dark-bg: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #cccccc;
}

body { font-family: 'Inter', sans-serif; margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header Styling */
.main-header {
    background: #fff;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.main-header.sticky {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.95);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img { height: 40px; }

.nav-menu ul { display: flex; list-style: none; margin: 0; }
.nav-menu ul li a {
    text-decoration: none;
    color: #333;
    padding: 10px 15px;
    font-weight: 600;
}

.btn-contact {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
}

/* Footer Styling */
.main-footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 60px 0 20px;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-col h4 {
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-gray); text-decoration: none; }

.social-links a {
    color: white;
    font-size: 20px;
    margin-right: 15px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #333;
    margin-top: 40px;
    padding-top: 20px;
    font-size: 14px;
    color: var(--text-gray);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu, .header-btns .btn-contact { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}