.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    padding: 0;
}

.main-header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-header.scrolled .header-container {
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.5px;
}

.text-gradient {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: none;
}

@media (min-width: 992px) {
    .nav-menu {
        display: block;
    }
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-cta:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.25);
}

.mobile-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
}

@media (min-width: 992px) {
    .mobile-toggle {
        display: none;
    }
}

@media (max-width: 991px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        max-height: 300px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-list {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        align-items: flex-start;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 5px 0;
        width: 100%;
    }
    
    .header-actions .btn-cta {
        display: none;
    }
}