@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(18px);
        transition: opacity .55s ease, transform .55s cubic-bezier(.2, .8, .2, 1);
    }

    .reveal.visible {
        opacity: 1;
        transform: none;
    }

    .main > .hero,
    .progress-route,
    .insight,
    .settings > .card {
        animation: rise .5s both;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .card,
    .editorial-search-control,
    .editorial-marquee,
    .next-feature,
    .next-feature-panel,
    .editorial-header,
    .sidebar,
    .course-header {
        background: var(--surface-solid);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}

@media (max-width: 1120px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .hero-summary {
        justify-self: start;
        width: min(100%, 760px);
    }

    .hero-metrics {
        grid-template-columns: repeat(4, 1fr);
    }

    .metric-primary {
        grid-column: span 2;
    }

    .hero {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-main {
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .metric {
        min-height: 150px;
    }

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

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

    .progress-route {
        min-height: 0;
    }
}

@media (max-width: 980px) {
    .editorial-main,
    .topbar,
    .main,
    .lesson-layout,
    .editorial-footer {
        width: min(100% - 40px, var(--page-width));
    }

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

    .editorial-nav,
    .nav,
    .course-nav {
        display: none;
    }

    .metrics-heading,
    .section-intro,
    .editorial-route,
    .workflow-section,
    .next-feature {
        grid-template-columns: 1fr;
    }

    .metrics-heading > p:last-child {
        justify-self: start;
        text-align: left;
    }

    .next-feature {
        grid-template-areas:
            "top"
            "copy"
            "panel";
        min-height: 0;
        gap: 22px;
    }

    .next-feature-panel {
        width: 100%;
    }

    .editorial-route {
        grid-template-areas:
            "title"
            "copy"
            "status"
            "progress"
            "footer";
    }

    .workflow-heading,
    .workflow-list,
    .section-number {
        grid-column: 1;
    }

    .workflow-heading {
        position: static;
    }

    .lesson-layout {
        grid-template-columns: 1fr;
    }

    .lesson-toc {
        position: static;
        max-height: none;
        padding: 0 0 18px;
        border-bottom: 1px solid var(--line);
    }

    .lesson-toc nav {
        display: flex;
        gap: 6px;
        overflow: auto;
        border-left: 0;
    }

    .lesson-toc nav a {
        flex: 0 0 auto;
        padding: 8px 11px;
        border-radius: 999px;
        background: var(--surface-3);
    }

    .lesson-progress-box {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-top: 16px;
    }

    .lesson-progress-box > span {
        margin-bottom: 0;
    }

    .lesson-progress-box .button {
        width: auto;
    }

    .quick-grid,
    .knowledge-grid,
    .mistake-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .editorial-header,
    .course-header {
        min-height: 68px;
        height: 68px;
        padding-inline: 20px;
    }

    .sidebar {
        display: none;
    }

    .brand-copy {
        display: none;
    }

    .editorial-main,
    .topbar,
    .main,
    .lesson-layout,
    .editorial-footer {
        width: calc(100% - 32px);
    }

    .editorial-hero {
        padding-top: 24px;
    }

    .hero-grid {
        padding-top: 0;
        padding-bottom: 18px;
    }

    .hero-title-main {
        font-size: clamp(40px, 11vw, 58px);
    }

    .hero-actions,
    .route-footer,
    .next-benefits,
    .setting-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .editorial-button,
    .route-link-label,
    .next-feature-top a {
        width: 100%;
    }

    .hero-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .hero-metrics > div {
        min-height: 104px;
    }

    .metric-primary {
        grid-column: 1 / -1;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 18px;
    }

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

    .hero-main,
    .metric {
        min-height: auto;
        padding: 20px 0;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .hero-main {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }

    .hero-progress {
        min-width: 0;
        text-align: left;
    }

    .panel-head {
        grid-template-columns: 1fr;
        padding-inline: 18px;
    }

    .stage-btn {
        grid-template-columns: 34px minmax(0, 1fr) auto;
        gap: 10px;
        padding-inline: 16px;
    }

    .tasks {
        padding: 0 16px 14px 60px;
    }

    .task {
        grid-template-columns: 20px minmax(0, 1fr);
    }

    .task small {
        grid-column: 2;
    }

    .setting-row {
        align-items: flex-start;
        padding-inline: 18px;
    }

    .mobile-nav {
        position: fixed;
        right: 9px;
        bottom: 9px;
        left: 9px;
        z-index: 50;
        display: flex;
        gap: 4px;
        overflow-x: auto;
        padding: 5px;
        border: 1px solid color-mix(in srgb, var(--line-strong) 88%, transparent);
        border-radius: 16px;
        background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
        box-shadow: var(--shadow-small);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    .mobile-nav a {
        flex: 1 0 58px;
        padding: 9px 5px;
        border-radius: 11px;
        color: var(--muted);
        font-size: 10px;
        text-align: center;
        white-space: nowrap;
    }

    .mobile-nav a.active,
    .mobile-nav a.active-route {
        background: var(--ink);
        color: var(--canvas);
    }

    .settings-nav {
        display: block;
    }

    .toast {
        right: 14px;
        bottom: 82px;
        left: 14px;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .hero-metrics > div,
    .hero-metrics > div:last-child {
        border-right: 0;
        border-bottom: 1px solid rgba(18, 21, 16, .10);
    }

    .editorial-search-control {
        min-height: 50px;
        padding-left: 14px;
    }

    .editorial-search-control input {
        font-size: 15px;
    }

    .hero-main h2,
    .lesson-hero h1 {
        font-size: clamp(34px, 9.4vw, 44px);
    }

    .table {
        display: block;
        min-width: 100%;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation: none !important;
        transition-duration: .01ms !important;
    }
}

@media (max-width: 980px) {
  .quality-review-grid {
    grid-template-columns: 1fr;
  }
}