.att-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: 170px;
    gap: 18px;
}

.att-portfolio-card {
    position: relative;
    grid-column: span 4;
    grid-row: span 2;
    overflow: hidden;
    border-radius: 24px;
    background: var(--att-earth);
    color: var(--att-ivory);
    cursor: pointer;
    isolation: isolate;
    outline: none;
    box-shadow: 0 18px 44px rgba(58,33,26,.10);
}

.att-portfolio-card.is-featured {
    grid-column: span 6;
    grid-row: span 3;
}

.att-portfolio-card figure,
.att-portfolio-card-shade {
    position: absolute;
    inset: 0;
    margin: 0;
}

.att-portfolio-card figure {
    z-index: -2;
}

.att-portfolio-card figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.01);
    filter: grayscale(.96) saturate(.78) contrast(1.02);
    transition: transform .7s var(--att-ease), filter .7s var(--att-ease);
}

.att-portfolio-card-shade {
    z-index: -1;
    background:
        linear-gradient(0deg, rgba(25,11,7,.88) 0%, rgba(25,11,7,.12) 68%),
        linear-gradient(90deg, rgba(25,11,7,.34), transparent 55%);
}

.att-portfolio-card-copy {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 20px;
}

.att-portfolio-card-copy > span {
    display: block;
    margin-bottom: 6px;
    color: var(--att-gold);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.att-portfolio-card-copy h3 {
    margin: 0;
    color: var(--att-ivory);
    font-family: var(--att-font-display);
    font-size: clamp(30px, 3vw, 48px);
    font-weight: 400;
    line-height: .96;
}

.att-portfolio-card:not(.is-featured) .att-portfolio-card-copy h3 {
    font-size: clamp(28px, 2.2vw, 38px);
}

.att-portfolio-card-copy button {
    margin-top: 14px;
    padding: 0;
    border: 0;
    background: transparent;
    color: rgba(255,249,239,.72);
    font: inherit;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.att-portfolio-card-copy button i {
    display: inline-block;
    margin-left: 5px;
    font-style: normal;
    transition: transform .25s var(--att-ease);
}

.att-portfolio-card:hover figure img,
.att-portfolio-card:focus figure img {
    transform: scale(1.055);
    filter: grayscale(0) saturate(1.02);
}

.att-portfolio-card:hover button i,
.att-portfolio-card:focus button i {
    transform: translate(3px,-3px);
}

.att-portfolio-card:focus-visible {
    outline: 3px solid var(--att-gold);
    outline-offset: 4px;
}

.att-portfolio-empty {
    padding: 70px 30px;
    border: 1px solid var(--att-border);
    border-radius: 24px;
    text-align: center;
    color: var(--att-muted);
}

.att-portfolio-modal {
    position: fixed;
    z-index: 4000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .3s ease, visibility .3s ease;
}

.att-portfolio-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.att-portfolio-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(24,12,8,.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.att-portfolio-modal-panel {
    position: relative;
    z-index: 2;
    width: min(1120px, 100%);
    max-height: min(820px, calc(100vh - 60px));
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    overflow: hidden;
    border: 1px solid rgba(255,249,239,.12);
    border-radius: 30px;
    background: var(--att-earth);
    color: var(--att-ivory);
    box-shadow: 0 40px 100px rgba(0,0,0,.38);
}

.att-portfolio-modal-media {
    min-height: 620px;
    background: #160b08;
}

.att-portfolio-modal-media img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 620px;
    object-fit: cover;
}

.att-portfolio-modal-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(34px, 5vw, 72px);
}

.att-portfolio-modal-copy > span {
    margin-bottom: 14px;
    color: var(--att-gold);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.att-portfolio-modal-copy h3 {
    margin: 0;
    color: var(--att-ivory);
    font-family: var(--att-font-display);
    font-size: clamp(46px, 5vw, 74px);
    font-weight: 400;
    line-height: .92;
}

.att-portfolio-modal-copy p {
    margin: 28px 0 0;
    color: rgba(255,249,239,.7);
    font-size: 16px;
    line-height: 1.72;
}

.att-portfolio-modal-copy small {
    margin-top: 28px;
    color: rgba(217,154,43,.76);
    font-family: var(--att-font-script);
    font-size: 24px;
}

.att-portfolio-modal-close {
    position: absolute;
    z-index: 5;
    top: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 50%;
    background: rgba(31,16,12,.55);
    color: var(--att-ivory);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.att-portfolio-modal-close:hover,
.att-portfolio-modal-close:focus {
    background: var(--att-red);
    color: var(--att-ivory);
    outline: none;
}

@media (max-width: 980px) {
    .att-portfolio-grid {
        grid-auto-rows: 180px;
    }

    .att-portfolio-card {
        grid-column: span 6;
    }

    .att-portfolio-card.is-featured {
        grid-column: span 12;
    }

    .att-portfolio-modal-panel {
        grid-template-columns: 1fr;
        max-height: calc(100vh - 40px);
    }

    .att-portfolio-modal-media,
    .att-portfolio-modal-media img {
        min-height: 340px;
    }
}

@media (max-width: 640px) {
    .att-portfolio-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .att-portfolio-card,
    .att-portfolio-card.is-featured {
        grid-column: auto;
        grid-row: auto;
        min-height: 360px;
    }

    .att-portfolio-modal {
        padding: 12px;
    }

    .att-portfolio-modal-copy {
        padding: 24px 20px 28px;
    }
}