/* Responsive Design */

/* Tablet View (768px and below) */
@media (max-width: 768px) {
    /* Header */
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: 0 5px 10px var(--shadow);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 1rem 0;
    }

    .main-nav li {
        text-align: center;
        padding: 0.5rem 0;
    }

    .menu-toggle {
        display: block;
    }

    /* Hero Section */
    .hero {
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .search-box {
        flex-direction: column;
    }

    .search-input,
    .search-btn {
        width: 100%;
    }

    /* Brands Section */
    .section-title {
        font-size: 2rem;
    }

    .brands-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    /* Ranking Section */
    .ranking-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .rank-number {
        width: auto;
    }

    .company-features {
        justify-content: center;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
}

/* Mobile View (480px and below) */
@media (max-width: 480px) {
    /* Base */
    .container {
        padding: 0 15px;
    }

    /* Header */
    .logo {
        font-size: 1.5rem;
    }

    /* Hero Section */
    .hero {
        padding: 60px 0 40px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Brands Section */
    .brands-section {
        padding: 60px 0;
    }

    .brand-card {
        margin: 0 auto;
        max-width: 350px;
    }

    .brand-content {
        padding: 1.5rem;
    }

    .brand-stats {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Ranking Section */
    .ranking-section {
        padding: 60px 0;
    }

    .ranking-item {
        padding: 1.5rem;
    }

    .company-info h3 {
        font-size: 1.1rem;
    }

    /* Footer */
    .main-footer {
        padding: 40px 0 20px;
    }
}

/* Large Desktop (1200px and above) */
@media (min-width: 1200px) {
    .brands-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Menu Toggle Animation */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}