/* --- MODERN DYNAMIC HEADER --- */
nav.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.logo h1 { 
    margin: 0; 
    font-size: 1.5rem; 
    color: var(--primary); 
    font-weight: 800; 
}

.logo p { 
    margin: 0; 
    font-size: 0.7rem; 
    color: #64748b; 
    text-transform: uppercase; 
}

.nav-links { 
    display: flex; 
    list-style: none; 
    gap: 25px; 
    margin: 0; 
}

.nav-links a { 
    text-decoration: none; 
    color: var(--dark); 
    font-weight: 700; 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    padding: 8px 16px;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover and Active States */
.nav-links a:hover {
    background: rgba(66, 133, 244, 0.08);
    color: var(--primary);
}

.nav-links a.active-page {
    background: var(--primary) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.menu-btn { 
    display: none; 
    font-size: 1.5rem; 
    cursor: pointer; 
}

/* --- MOBILE RESPONSIVE HEADER --- */
@media (max-width: 992px) {
    .menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 40px 8%; 
        gap: 25px; 
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        border-bottom: 1px solid #e2e8f0;
        text-align: left;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: inline-block;
        padding: 10px 25px;
        font-size: 1rem;
        border-radius: 12px;
        color: #1e293b;
    }

    .nav-links a.active-page {
        background: #4285F4 !important;
        box-shadow: 0 8px 20px rgba(66, 133, 244, 0.4);
        border: none;
    }
}

@media (max-width: 1100px) {
    .menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 40px 8%; 
        gap: 25px; 
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        border-bottom: 1px solid #e2e8f0;
        text-align: left;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: inline-block;
        padding: 10px 25px;
        font-size: 1rem;
        border-radius: 12px;
        color: #1e293b;
    }

    .nav-links a.active-page {
        background: #4285F4 !important;
        box-shadow: 0 8px 20px rgba(66, 133, 244, 0.4);
        border: none;
    }
}