/* Điều chỉnh chung cho màn hình nhỏ (768px / 414px) */

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        padding: 90px 30px 40px;
        gap: 4px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-links.active {
        right: 0;
    }

    header .nav-links a,
    header.scrolled .nav-links a {
        font-size: 16px;
        padding: 14px 18px;
        border-radius: 10px;
        display: block;
        color: var(--dark-gray);
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-links a::after {
        display: none;
    }

    header .nav-links a:hover,
    header .nav-links a.active,
    header.scrolled .nav-links a:hover,
    header.scrolled .nav-links a.active {
        color: #000;
        background: rgba(0, 0, 0, 0.05);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
    }

    .nav-cta a {
        display: block !important;
        text-align: center !important;
        padding: 14px 22px !important;
        font-size: 15px !important;
    }

    .mobile-menu-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-menu-overlay.active {
        pointer-events: auto;
    }

    .logo-text .brand-tagline {
        display: none;
    }

    .logo img {
        height: 38px;
    }

    header.scrolled .logo img {
        height: 34px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-form {
        padding: 20px;
    }

    .contact-info {
        padding: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .album-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .price {
        font-size: 36px;
    }

    .pricing-card {
        padding: 30px 20px;
    }
}