/* Responsive Styles */

@media (max-width: 1024px) {
    .info-cards {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .about-visual {
        height: 300px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .navbar-nav,
    .navbar-actions .btn-primary {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: none !important;
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(5, 8, 16, 0.97);
        backdrop-filter: blur(20px);
        z-index: 999;
        padding: 32px 24px;
        flex-direction: column;
        gap: 24px;
    }

    .mobile-menu.active {
        display: flex !important;
    }

    .mobile-menu a {
        font-family: var(--font-heading);
        font-size: 1rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--text-primary);
        padding: 12px 0;
        border-bottom: 1px solid var(--border-subtle);
    }

    .mobile-menu .btn {
        margin-top: 16px;
        width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
    }

    .countdown {
        gap: 16px;
    }

    .countdown-item {
        min-width: 70px;
    }

    .info-cards {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

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

    .timeline {
        flex-direction: column;
        gap: 24px;
    }

    .timeline::before {
        display: none;
    }

    .cta-stats {
        gap: 24px;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .info-cards {
        grid-template-columns: 1fr;
    }

    .event-date-card {
        padding: 16px 24px;
    }

    .countdown-item {
        min-width: 60px;
    }

    .about-focus {
        grid-template-columns: 1fr;
    }

    .problem-locked {
        padding: 40px 20px;
    }

    .cta-stats {
        flex-direction: column;
        gap: 16px;
    }

    .glass-card {
        padding: 24px 16px;
    }
}

@media (max-width: 375px) {
    .hero-title .ai-text {
        font-size: 3.5rem;
    }

    .countdown-value {
        font-size: 1.75rem;
    }
}