/* Responsive Styles */

/* Mobile Menu */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        transition: left 0.3s;
        overflow-y: auto;
        border-top: 1px solid var(--gray-200);
        z-index: 999;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }

    nav > ul > li {
        width: 100%;
        border-bottom: 1px solid var(--gray-200);
    }

    nav a {
        padding: 16px 0;
        width: 100%;
        font-size: 16px;
    }

    nav a.active::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin-top: 0;
        padding-left: 20px;
        background: var(--gray-50);
        display: none;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-toggle::after {
        content: '▼';
        float: right;
    }

    .dropdown.active .dropdown-toggle::after {
        content: '▲';
    }

    .btn-contact {
        margin-top: 10px;
        text-align: center;
        justify-content: center;
    }

    /* Hero Section */
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* Grids */
    .services-grid,
    .platform-grid,
    .challenges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-slide {
        min-width: calc((100% - 24px) / 2);
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    /* Contact Popup */
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .popup-header {
        padding: 24px;
    }

    .popup-header h2 {
        font-size: 24px;
    }

    .popup-content {
        padding: 24px;
    }
}

@media (max-width: 768px) {
    /* Header */
    .logo-text .brand {
        font-size: 16px;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

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

    .hero p {
        font-size: 15px;
    }

    .hero-image {
        min-height: 300px;
        padding: 30px;
    }

    .hero-icons {
        gap: 20px;
    }

    .hero-icon-item {
        width: 100px;
        height: 100px;
    }

    .hero-icon-item .icon {
        font-size: 32px;
    }

    /* Sections */
    .section-header h2 {
        font-size: 28px;
    }

    .section-header p {
        font-size: 14px;
    }

    /* Grids */
    .services-grid,
    .platform-grid,
    .challenges-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

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

    /* Products Slider */
    .product-slide {
        min-width: 100%;
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .slider-btn.prev {
        left: -10px;
    }

    .slider-btn.next {
        right: -10px;
    }

    /* Newsletter */
    .newsletter h2 {
        font-size: 24px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Contact Popup */
    .popup-container {
        width: 95%;
    }

    .popup-header h2 {
        font-size: 20px;
    }

    .success-message .icon {
        font-size: 48px;
    }

    .success-message h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    /* Typography */
    .hero h1 {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    /* Spacing */
    .top-bar .container,
    .header .container,
    .hero .container,
    .services .container,
    .platform .container,
    .challenges .container,
    .products .container,
    .team .container,
    .news .container,
    .newsletter .container,
    .footer .container {
        padding: 0 20px;
    }

    /* Hero Icons */
    .hero-icons {
        gap: 15px;
    }

    .hero-icon-item {
        width: 80px;
        height: 80px;
    }

    .hero-icon-item .icon {
        font-size: 24px;
    }

    .hero-icon-item .label {
        font-size: 10px;
    }

    /* Contact Info */
    .contact-info {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    /* Buttons */
    .btn-primary,
    .btn-outline {
        padding: 12px 24px;
        font-size: 14px;
    }

    /* Cards */
    .service-card,
    .platform-card,
    .challenge-card {
        padding: 16px;
    }

    /* Newsletter */
    .newsletter h2 {
        font-size: 20px;
    }

    .newsletter p {
        font-size: 14px;
    }
}