.matter-collection-page {
    background: #fff;
    color: var(--text-primary);
}

.mch-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(3.25rem, 5.5vw, 5rem) 0 clamp(2.75rem, 4.5vw, 4rem);
    background:
        radial-gradient(circle at 83% 13%, rgba(213, 184, 239, 0.22), transparent 28%),
        linear-gradient(135deg, #24152f 0%, #3d2453 58%, #654083 100%);
    border-bottom: 1px solid #4d3164;
}

.mch-hero::after {
    content: "";
    position: absolute;
    width: 340px;
    height: 340px;
    right: -130px;
    bottom: -230px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
}

.mch-hero-inner { position: relative; z-index: 1; max-width: 920px; }
.mch-back { display: inline-block; margin-bottom: 1.5rem; color: #ddd0e7; font-weight: 650; text-decoration: none; }
.mch-back:hover, .mch-back:focus-visible { color: #fff; }

.mch-kicker,
.mch-card > span {
    display: block;
    color: var(--violet-medium);
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.mch-hero h1 {
    margin: 0.6rem 0 0;
    color: #fff;
    font-size: clamp(2.5rem, 4.8vw, 4.15rem);
    line-height: 1;
    letter-spacing: -0.045em;
}

.mch-hero p {
    max-width: 780px;
    margin: 1.2rem 0 0;
    color: #e6ddea;
    font-size: clamp(1rem, 1.55vw, 1.18rem);
    line-height: 1.55;
}

.mch-hero .mch-kicker { color: #d9bced; }

.mch-directory {
    position: static;
    top: auto;
    z-index: auto;
    padding: 0;
    background: #fff;
    border-bottom: 1px solid #ebe6ef;
    box-shadow: none;
}

.mch-directory-inner {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mch-directory a {
    padding: 1.25rem;
    color: #29232f;
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border-right: 1px solid #ece7f0;
}

.mch-directory a:last-child { border-right: 0; }
.mch-directory a:hover, .mch-directory a:focus-visible { color: var(--violet-dark); background: #faf7fd; }

.mch-section { scroll-margin-top: 7rem; padding: clamp(3.5rem, 5.5vw, 5.5rem) 0; }
.mch-section--tint { background: #faf8fc; }

.mch-section-heading { max-width: 760px; margin-bottom: 2.2rem; }
.mch-section-heading h2,
.mch-manifesto h2 {
    margin: 0.7rem 0 0;
    color: #21172e;
    font-size: clamp(1.8rem, 3vw, 2.65rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.mch-section-heading p,
.mch-manifesto p { margin: 1rem 0 0; color: #6c6573; line-height: 1.65; }

.mch-manifesto-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: center;
}

.mch-manifesto-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.7rem; }
.mch-manifesto-actions .btn { margin-top: 0; }
.mch-metadata { margin: 0; padding: 1.5rem; background: #faf8fc; border: 1px solid #e6dfeb; border-radius: 16px; }
.mch-metadata div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px solid #e6dfeb; }
.mch-metadata div:last-child { border-bottom: 0; }
.mch-metadata dt { color: #7a7180; }
.mch-metadata dd { margin: 0; color: #241b2d; font-weight: 700; text-align: right; }

.mch-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.mch-card-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.mch-card {
    display: flex;
    min-height: 235px;
    flex-direction: column;
    padding: 1.55rem;
    color: #211b27;
    text-decoration: none;
    background: #fff;
    border: 1px solid #e5deeb;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(45, 28, 64, 0.05);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.mch-card:hover,
.mch-card:focus-visible { transform: translateY(-3px); border-color: #c7b2dc; box-shadow: 0 18px 36px rgba(45, 28, 64, 0.1); }
.mch-card h3 { margin: 0.9rem 0 0.65rem; font-size: 1.3rem; line-height: 1.2; }
.mch-card p { margin: 0; color: #6a6370; line-height: 1.55; }
.mch-card strong { margin-top: auto; padding-top: 1.4rem; color: var(--violet-dark); }

@media (max-width: 900px) {
    .mch-directory-inner,
    .mch-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mch-directory a:nth-child(2) { border-right: 0; }
    .mch-directory a:nth-child(-n+2) { border-bottom: 1px solid #ece7f0; }
}

@media (max-width: 680px) {
    .mch-hero { padding: 3rem 0 2.5rem; }
    .mch-directory-inner,
    .mch-card-grid,
    .mch-card-grid--two,
    .mch-manifesto-grid { grid-template-columns: 1fr; }
    .mch-directory a,
    .mch-directory a:nth-child(2) { border-right: 0; border-bottom: 1px solid #ece7f0; text-align: left; }
    .mch-directory a:last-child { border-bottom: 0; }
    .mch-card { min-height: 210px; }
    .mch-manifesto-actions { align-items: stretch; flex-direction: column; }
    .mch-manifesto-actions .btn { width: 100%; text-align: center; }
}

@media print {
    #main-nav, #main-footer, .mch-directory { display: none !important; }
    .mch-hero, .mch-section { padding: 1.2rem 0; background: #fff !important; }
    .mch-card { min-height: 0; break-inside: avoid; box-shadow: none; }
}