.matra-hero-grid {
    display: grid;
    align-items: center;
    gap: clamp(1.75rem, 4vw, 4rem);
}
.matra-hero-grid h1 { font-size: clamp(2.75rem, 5.5vw, 5.5rem); }
.matra-project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}
.matra-project-image { margin: 0; }
.matra-project-image img {
    display: block;
    width: 100%;
    height: auto;
    background: var(--panel);
}
.matra-project-image figcaption {
    padding-top: .65rem;
    color: var(--ink);
    font-size: .875rem;
}
@media (min-width: 56rem) {
    .matra-hero-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 5fr); }
}

/* MATRA hero proportions */
.matra-hero-grid h1 {
    max-width: 16ch;
    font-size: clamp(2.5rem, 8vw, 3.75rem);
    line-height: 1.08;
    text-wrap: balance;
}

@media (min-width: 56rem) {
    .matra-hero-grid { gap: clamp(1.5rem, 3vw, 3rem); }
    .matra-hero-grid h1 { font-size: clamp(3rem, 4.4vw, 4.5rem); }
}