@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        scroll-behavior: auto !important;
        transition: none !important;
    }

    .has-js [data-reveal] {
        opacity: 1;
        transform: none;
    }

    .faq-list details::details-content,
    .language-directory::details-content {
        transition: none;
    }
}

@media (max-width: 1100px) {
    .site-nav {
        display: none;
    }

    .site-header {
        grid-template-columns: auto minmax(0, 1fr);
    }
}

@media (max-width: 1020px) {
    .workspace-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .plan-row,
    .support-grid,
    .step-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    h1 {
        font-size: 2.6rem;
    }

    .page-hero h1 {
        font-size: 2.1rem;
    }

    .split-section,
    .guide-intro {
        grid-template-columns: minmax(0, 1fr);
    }

    .legal-layout {
        gap: 36px;
        grid-template-columns: minmax(0, 1fr);
    }

    .legal-toc {
        position: static;
    }

    .legal-toc ol {
        column-gap: 32px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fc-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-band {
        padding-bottom: 88px;
    }

    .lyrics-section {
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
    }

    .workspace-heading {
        grid-template-columns: minmax(0, 1fr);
    }

    .site-footer {
        grid-template-columns: minmax(0, 1fr);
    }

    .site-footer nav {
        justify-content: start;
    }

    .faq-list details p {
        padding-left: 0;
    }
}

@media (max-width: 560px) {
    .site-header {
        gap: 10px;
        min-height: 60px;
    }

    .site-actions {
        gap: 10px;
    }

    .plan-row,
    .support-grid,
    .step-list {
        grid-template-columns: minmax(0, 1fr);
    }

    .metric-grid,
    .detail-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-band {
        padding-top: 118px;
        gap: 18px;
    }

    .hero-lede {
        font-size: 1rem;
    }

    .hero-meta {
        font-size: 0.63rem;
        letter-spacing: 0.06em;
        max-width: 34ch;
    }

    .model-options {
        grid-template-columns: minmax(0, 1fr);
    }

    .model-options article,
    .model-options article + article {
        padding: 26px 0;
        border-left: 0;
    }

    .model-options article + article {
        border-top: 1px solid var(--line);
    }

    .lyric-sheet {
        padding: 24px;
        transform: none;
    }

    .lyric-comparison p {
        font-size: 1.25rem;
    }

    .lyrics-section h2,
    .models-section h2,
    .languages-section h2 {
        font-size: 2rem;
    }

    .plan-card-featured {
        transform: none;
    }
}

@media (max-width: 440px) {
    html {
        scroll-padding-top: 120px;
    }

    .legal-toc ol {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-band h1 {
        font-size: 2.4rem;
    }

    .site-header {
        align-items: stretch;
        gap: 8px;
        grid-template-columns: minmax(0, 1fr);
        padding-bottom: 9px;
        padding-top: 9px;
    }

    .site-header .brand {
        font-size: 0.9rem;
        gap: 8px;
        line-height: 1.15;
    }

    .site-header .brand > span:last-child {
        white-space: normal;
    }

    .site-header .site-actions {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: flex-start;
    }

    .site-header .button-small {
        font-size: 0.78rem;
        padding: 8px 10px;
    }
}

@media (max-width: 600px) {
    .site-header { position: sticky; grid-template-columns: minmax(0, 1fr); gap: 8px; padding-top: 10px; padding-bottom: 10px; }
    .site-actions { justify-content: space-between; flex-wrap: wrap; gap: 10px; }
    .locale-switcher nav { right: auto; left: 0; }
    .auth-header .locale-switcher nav { right: 0; left: auto; }
}