@media (max-width: 900px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        width: 100%;
        gap: 12px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

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

    .auth-card {
        padding: 22px;
    }

    .section-head,
    .message-top,
    .ticket-entry-head,
    .lottery-ticket-head {
        flex-direction: column;
        align-items: flex-start;
    }
}