/* Useful.gg — Mobile & Responsive Stylesheet */

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-center {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .stats-banner {
        grid-template-columns: repeat(2, 1fr);
        max-width: 380px;
    }

    .hero-title {
        letter-spacing: 4px;
    }

    .hero-game-logo {
        max-width: 240px;
    }

    .hero-tagline {
        letter-spacing: 2.5px;
        padding: 0 16px;
    }

    .countdown-timer {
        padding: 12px 14px;
        gap: 5px;
    }

    .countdown-unit {
        min-width: 52px;
        padding: 8px;
    }

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

    .footer-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .footer-nav {
        flex-wrap: wrap;
        row-gap: 10px;
    }

    .footer-legal {
        flex-direction: column;
        gap: 8px;
    }

    .footer-links,
    .footer-platform {
        white-space: normal;
    }
}

@media (max-width: 480px) {
    .stats-banner {
        max-width: 320px;
    }

    .hero {
        padding: 40px 0 48px;
    }

    .countdown-timer {
        flex-wrap: wrap;
        justify-content: center;
        max-width: 100%;
    }

    .countdown-sep {
        display: none;
    }

    .countdown-unit {
        flex: 1 1 40%;
        min-width: 0;
    }

    .quick-links-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== MOBILE NAVIGATION PANEL ===== */
.mobile-nav {
    display: none;
}

.mobile-menu-btn svg line {
    transform-origin: center;
    transition: transform 0.22s ease, opacity 0.18s ease;
}

.mobile-menu-btn--open svg line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-btn--open svg line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn--open svg line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

body.nav-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
        position: fixed;
        top: var(--nav-height, 60px);
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.3s ease, opacity 0.22s ease;
        pointer-events: none;
    }

    .mobile-nav--open {
        max-height: 600px;
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-nav-list {
        list-style: none;
        margin: 0;
        padding: 6px 0 12px;
    }

    .mobile-nav-list li {
        border-bottom: 1px solid var(--border);
    }

    .mobile-nav-group-label {
        padding: 14px 24px 6px;
        font-size: 0.62rem;
        font-weight: 700;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--neon-pink);
        border-bottom: none;
    }

    .mobile-nav-list li:last-child {
        border-bottom: none;
    }

    .mobile-nav-list a {
        display: flex;
        align-items: center;
        padding: 14px 24px;
        font-family: var(--font-display);
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        color: var(--text-secondary);
        text-decoration: none;
        transition: color var(--transition-fast), background var(--transition-fast);
        min-height: 48px;
    }

    .mobile-nav-list a:hover {
        color: var(--neon-pink);
        background: rgba(255, 45, 120, 0.08);
    }

    .mobile-nav-list .mobile-nav-link--active {
        color: #000;
        background: var(--neon-pink);
        box-shadow: inset 4px 0 0 rgba(0, 0, 0, 0.15);
    }
}

@media (max-width: 900px) {
    .db-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .db-page-header {
        flex-direction: column;
        gap: 8px;
    }

    .db-toolbar {
        flex-direction: column;
        gap: 8px;
    }

    .db-toolbar-controls {
        width: 100%;
    }

    .db-toolbar-filters {
        flex-wrap: wrap;
    }

    .db-search {
        flex: 1;
        width: auto;
        min-width: 0;
    }

    .db-sort {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .db-grid {
        grid-template-columns: 1fr;
    }
}

@media (hover: none) and (pointer: coarse) {
    .nav-link,
    .footer-link {
        padding: 8px 4px;
    }
}