/* ==========================================================================
   Astaria — Responsive
   ========================================================================== */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
    .site-layout {
        grid-template-columns: 260px 1fr;
    }

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

/* ── Mobile nav breakpoint (≤ 768px) ── */
@media (max-width: 768px) {
    :root {
        --header-h: 64px;
        --text-hero: 2.5rem;
        --text-3xl: 2rem;
        --text-2xl: 1.5rem;
    }

    /* Show sidebar toggle */
    .sidebar-toggle {
        display: flex;
    }

    /* Sidebar becomes an overlay */
    .site-layout {
        grid-template-columns: 1fr;
    }

    .site-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform var(--duration) var(--ease-out);
        z-index: 200;
        box-shadow: none;
    }

    .site-sidebar.is-open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
    }

    /* Overlay backdrop when sidebar is open */
    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 20, 0.6);
        z-index: 199;
        display: none;
    }

    .sidebar-backdrop.active {
        display: block;
    }

    /* Adjust parchment padding */
    .parchment-surface {
        padding: var(--space-lg);
    }

    .site-content {
        padding: var(--space-md) var(--space-sm) var(--space-2xl);
    }

    .header-inner {
        padding: 0 var(--space-md);
    }

    /* Hero downsized */
    .hero-area {
        min-height: 40vh;
        padding: var(--space-2xl) var(--space-md);
    }

    /* Drop cap disabled on small screens */
    .item-page > .article-info + p::first-letter,
    .item-page > p:first-of-type::first-letter {
        font-size: 1em;
        float: none;
        margin: 0;
    }

    /* No text justify on mobile */
    .parchment-surface p {
        text-align: left;
        hyphens: none;
    }
}

/* ── Small mobile (≤ 480px) ── */
@media (max-width: 480px) {
    :root {
        --text-hero: 2rem;
        --text-3xl: 1.75rem;
    }

    .site-title {
        font-size: var(--text-lg);
        letter-spacing: 0.1em;
    }

    .site-tagline {
        display: none;
    }

    .parchment-surface {
        padding: var(--space-md);
        border-radius: var(--radius);
    }

    .footer-inner {
        padding: var(--space-lg) var(--space-md);
    }

    /* Hero adjustments */
    .hero-area {
        padding: var(--space-xl) var(--space-sm) var(--space-lg);
    }

    .hero-logo-placeholder {
        width: 110px;
        height: 110px;
        font-size: 0.7rem;
    }

    .hero-subtitle {
        font-size: var(--text-base);
        letter-spacing: 0.08em;
    }

    .hero-tagline {
        font-size: var(--text-base);
    }

    .hero-cta {
        padding: 0.6em 1.4em;
        font-size: var(--text-sm);
    }

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

    .back-to-top {
        bottom: var(--space-md);
        right: var(--space-md);
    }
}