.mq-header {
    position: relative;
    z-index: 10;
    background: var(--color-header);
    color: var(--color-header-text);
    border-bottom: 1px solid var(--color-border-dark);
}

.mq-header__inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
}

.mq-brand img {
    width: min(250px, 42vw);
    max-height: 54px;
    object-fit: contain;
    object-position: left center;
}

.mq-nav__list,
.mq-footer__links {
    display: flex;
    gap: var(--space-4);
    margin: 0;
    padding: 0;
    list-style: none;
}

.mq-nav a,
.mq-footer a {
    text-decoration: none;
}

.mq-nav a {
    font-family: var(--font-ui);
    font-size: .82rem;
    font-weight: 600;
}

.mq-nav a:hover,
.mq-nav a:focus-visible {
    color: var(--color-accent);
}

.mq-hero {
    background:
        radial-gradient(circle at 78% 30%, var(--hero-glow), transparent 34rem),
        var(--color-hero);
    color: var(--color-hero-text);
    border-bottom: 1px solid var(--color-border-dark);
}

.mq-hero__grid {
    min-height: 640px;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
    align-items: center;
    gap: clamp(2rem, 8vw, 7rem);
    padding-block: clamp(4rem, 8vw, 7rem);
}

.mq-hero h1 {
    color: var(--color-hero-text);
}

.mq-hero .mq-lead {
    max-width: 56ch;
    color: var(--color-hero-text-soft);
}

.mq-hero__visual {
    display: grid;
    place-items: center;
    min-height: 340px;
    border-left: 1px solid var(--color-accent-subtle);
}

.mq-hero__visual img {
    width: min(260px, 70%);
    opacity: .95;
}

.mq-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    align-items: center;
    margin-top: var(--space-5);
}

.mq-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .8rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-ui);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .025em;
    text-decoration: none;
    transition:
        background var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.mq-button:hover {
    transform: translateY(-1px);
}

.mq-button--primary {
    background: var(--color-accent);
    color: var(--color-accent-contrast);
    border-color: var(--color-accent);
}

.mq-button--primary:hover,
.mq-button--primary:focus-visible {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.mq-button--secondary {
    background: transparent;
    color: currentColor;
    border-color: var(--color-border-strong);
}

.mq-text-link {
    color: var(--color-link);
    font-weight: 700;
    text-decoration: none;
}

.mq-text-link:hover,
.mq-text-link:focus-visible {
    text-decoration: underline;
    text-underline-offset: .25em;
}

.mq-pillar-grid,
.mq-content-grid,
.mq-style-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

.mq-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.mq-pillar {
    min-height: 260px;
    padding: var(--space-5);
}

.mq-card__index {
    display: block;
    margin-bottom: var(--space-5);
    color: var(--color-accent-strong);
    font-family: var(--font-display);
    font-size: 2rem;
}

.mq-content-card {
    overflow: hidden;
}

.mq-content-card__media {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-surface-muted);
}

.mq-content-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mq-content-card__body {
    padding: var(--space-5);
}

.mq-content-card h2,
.mq-content-card h3 {
    font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.mq-content-card h2 a,
.mq-content-card h3 a {
    text-decoration: none;
}

.mq-post-card {
    padding: var(--space-5);
}

.mq-empty {
    grid-column: 1 / -1;
    padding: var(--space-5);
    border: 1px dashed var(--color-border);
    color: var(--color-text-soft);
}

.mq-book {
    display: grid;
    grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
    gap: clamp(2.5rem, 8vw, 7rem);
    align-items: start;
}

.mq-book__cover {
    position: sticky;
    top: 2rem;
}

.mq-book__cover img {
    width: min(100%, 440px);
    margin-inline: auto;
    box-shadow: 0 26px 70px rgb(0 0 0 / .12);
}

.mq-book-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem 1.5rem;
    margin: var(--space-5) 0;
}

.mq-book-meta div {
    padding-block: .65rem;
    border-bottom: 1px solid var(--color-border);
}

.mq-book-meta dt {
    color: var(--color-text-soft);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.mq-book-meta dd {
    margin: .15rem 0 0;
}

.mq-book__body {
    margin-top: var(--space-7);
}

.mq-footer {
    padding-block: var(--space-6);
    background: var(--color-footer);
    color: var(--color-footer-text);
    border-top: 1px solid var(--color-border-dark);
}

.mq-footer__grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-5);
    align-items: start;
}

.mq-footer__mark {
    width: 54px;
    margin-bottom: var(--space-3);
}

.mq-footer__name {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.55rem;
}

.mq-footer__descriptor {
    color: var(--color-footer-soft);
    font-size: .8rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.mq-footer__copyright {
    grid-column: 1 / -1;
    margin: 0;
    padding-top: var(--space-4);
    color: var(--color-footer-soft);
    border-top: 1px solid var(--color-border-dark);
    font-size: .82rem;
}

.mq-style-panel {
    padding: var(--space-5);
}

.mq-style-panel:nth-child(1),
.mq-style-panel:nth-child(2) {
    grid-column: span 3;
}

.mq-swatches {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .75rem;
}

.mq-swatch {
    min-height: 120px;
    display: flex;
    align-items: end;
    padding: .75rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: .75rem;
    font-weight: 700;
}

.mq-swatch--dark {
    color: white;
}

.mq-quote {
    margin: 0;
    padding-left: var(--space-4);
    border-left: 3px solid var(--color-accent);
}

.mq-quote p {
    font-family: var(--font-display);
    font-size: 1.8rem;
    line-height: 1.2;
}

.mq-quote cite {
    color: var(--color-text-soft);
    font-style: normal;
    font-size: .8rem;
}

@media (max-width: 920px) {
    .mq-nav {
        display: none;
    }

    .mq-hero__grid,
    .mq-book {
        grid-template-columns: 1fr;
    }

    .mq-hero__visual {
        min-height: 220px;
        border-left: 0;
        border-top: 1px solid var(--color-accent-subtle);
    }

    .mq-book__cover {
        position: static;
    }

    .mq-pillar-grid,
    .mq-content-grid,
    .mq-style-grid {
        grid-template-columns: 1fr 1fr;
    }

    .mq-style-panel:nth-child(1),
    .mq-style-panel:nth-child(2) {
        grid-column: span 2;
    }
}

@media (max-width: 620px) {
    .mq-header__inner {
        min-height: 70px;
    }

    .mq-brand img {
        width: min(220px, 58vw);
    }

    .mq-hero__grid {
        min-height: auto;
    }

    .mq-pillar-grid,
    .mq-content-grid,
    .mq-style-grid,
    .mq-footer__grid,
    .mq-swatches {
        grid-template-columns: 1fr;
    }

    .mq-style-panel:nth-child(1),
    .mq-style-panel:nth-child(2) {
        grid-column: auto;
    }

    .mq-book-meta {
        grid-template-columns: 1fr;
    }

    .mq-footer__links {
        flex-wrap: wrap;
    }
}