.header {
    padding: 1.48rem 0 1.4rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.4s ease;
    background: rgba(4, 44, 78, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-scrolled {
    background: rgba(4, 44, 78, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-logo-img {
    height: 70px;
    transition: all 0.3s ease;
}

.header-scrolled .nav-logo-img {
    height: 60px;
}

.nav-links a {
    color: var(--white-color);
    text-decoration: none;
    margin: 0 5px;
    padding: 8px 15px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.nav-links a:hover {
    color: var(--white-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.login-button {
    background: transparent;
    color: var(--white-color);
    padding: 10px 25px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
}

.login-button:hover {
    background: var(--white-color);
    color: var(--primary-color);
    border-color: var(--white-color);
}

.cta-button {
    background: var(--white-color);
    color: var(--primary-color);
    padding: 12px 28px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 25px rgba(0, 170, 255, 0.3);
    background-color: var(--secondary-color);
    color: var(--white-color);
}