/* ============================================
   Best Eye Technology - Responsive Styles
   ============================================ */

/* === Tablet Landscape (≤ 1024px) === */
@media (max-width: 1024px) {
    .product-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

/* === Tablet Portrait (≤ 768px) === */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    /* Navigation Mobile */
    .menu-toggle {
        display: block;
    }
    .main-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        max-height: 80vh;
        overflow-y: auto;
    }
    .main-menu.active {
        display: flex;
    }
    .main-menu > li {
        width: 100%;
    }
    .main-menu > li > a {
        padding: 12px 16px;
        border-radius: 0;
        border-bottom: 1px solid var(--gray-100);
    }
    .main-menu .sub-menu {
        position: static;
        box-shadow: none;
        border: none;
        margin-top: 0;
        padding-left: 20px;
        background: var(--gray-50);
    }
    .main-menu > li:hover .sub-menu {
        display: none;
    }
    .main-menu > li.menu-open .sub-menu {
        display: block;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-img-wrapper img {
        height: 350px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-banner {
        min-height: 70vh;
    }
    .hero-content {
        padding: 60px 0 180px;
    }
    .hero-stats {
        position: relative;
        transform: none;
        margin-top: -80px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-about {
        grid-column: span 2;
    }

    .inquiry-form .form-row {
        grid-template-columns: 1fr;
    }
    .cta-card {
        padding: 40px 24px;
    }

    .entry-card {
        flex-direction: column;
    }
    .entry-thumbnail {
        width: 100%;
        height: 200px;
    }

    .header-actions .btn span {
        display: none;
    }
    .top-bar-contact span:first-child {
        display: none;
    }
    .section {
        padding: 60px 0;
    }
    .footer-widgets {
        padding: 50px 0 30px;
    }

    .modal-content {
        margin: 16px;
        padding: 24px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }
    .section-title {
        font-size: var(--font-size-2xl);
    }
    h1 { font-size: var(--font-size-3xl); }

    .product-categories-grid {
        grid-template-columns: 1fr;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
}

/* === Smartphone (≤ 480px) === */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-about {
        grid-column: span 1;
    }
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .cta-actions {
        flex-direction: column;
    }
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .form-card {
        padding: 24px;
    }

    .inquiry-float-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .lang-list {
        gap: 2px;
    }
    .lang-link {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
}

/* === Print === */
@media print {
    .inquiry-float-btn,
    .scroll-to-top,
    .top-bar,
    .site-header {
        display: none !important;
    }
}