/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(26, 54, 93, 0.95);
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1;
}

.logo-subtext {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 1.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    margin-left: 40px;
    position: relative;
    transition: var(--transition);
    padding: 5px 0;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--white);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        margin: 15px 0;
        font-size: 1.1rem;
    }
}