.portfolio-hero { background: linear-gradient(135deg, #f6f6f8 0%, #ffffff 68%); }
.portfolio-hero::after { width: 31vw; background: linear-gradient(145deg, var(--ldg-red) 0 58%, var(--ldg-navy-deep) 58%); }
.portfolio-section { overflow: hidden; }
.portfolio-intro { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.25rem; }
.portfolio-intro .section-title { margin-bottom: 0; }
.portfolio-intro .section-intro { max-width: 560px; margin-bottom: .25rem; }

.portfolio-filters { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--ldg-border); }
.portfolio-filter { min-height: 44px; padding: .65rem 1rem; color: var(--ldg-navy); background: white; border: 1px solid var(--ldg-border); font-size: .83rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
.portfolio-filter:hover, .portfolio-filter:focus-visible { color: white; background: var(--ldg-navy); border-color: var(--ldg-navy); transform: translateY(-2px); }
.portfolio-filter.active { color: white; background: var(--ldg-red); border-color: var(--ldg-red); box-shadow: 4px 4px 0 var(--ldg-navy); }
.portfolio-filter:focus-visible, .portfolio-tag:focus-visible, .portfolio-card__trigger:focus-visible, .portfolio-thumb:focus-visible, .portfolio-modal__tag:focus-visible { outline: 3px solid rgba(210,53,62,.38); outline-offset: 3px; }

.portfolio-tags { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin-bottom: 2.25rem; }
.portfolio-tags__label { margin-right: .25rem; color: var(--ldg-muted); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.portfolio-tag, .portfolio-modal__tag { padding: .42rem .7rem; color: var(--ldg-red-dark); background: #fff4f4; border: 1px solid #f1c8cb; border-radius: 999px; font-size: .76rem; font-weight: 800; line-height: 1.2; transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
.portfolio-tag:hover, .portfolio-tag:focus-visible, .portfolio-tag.active, .portfolio-modal__tag:hover, .portfolio-modal__tag:focus-visible { color: white; background: var(--ldg-navy); border-color: var(--ldg-navy); transform: translateY(-1px); }
.portfolio-tag.active { box-shadow: 3px 3px 0 var(--ldg-red); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 8px; gap: 1rem 1.4rem; align-items: start; min-height: 280px; }
.portfolio-card { min-width: 0; background: white; border: 1px solid var(--ldg-border); box-shadow: 0 12px 30px rgba(24,25,37,.07); overflow: hidden; }
.portfolio-card__trigger { display: block; width: 100%; height: 100%; padding: 0; color: inherit; background: transparent; border: 0; text-align: left; }
.portfolio-card__media { position: relative; display: block; background: #ececf0; overflow: hidden; }
.portfolio-card__media::after { content: "Apri creatività"; position: absolute; right: 1rem; bottom: 1rem; padding: .45rem .65rem; color: white; background: var(--ldg-red); font-size: .68rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; opacity: 0; transform: translateY(8px); transition: opacity .25s ease, transform .25s ease; }
.portfolio-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease, filter .3s ease; }
.portfolio-card__body { display: block; padding: 1.2rem 1.25rem 1.35rem; }
.portfolio-card__category { display: block; margin-bottom: .4rem; color: var(--ldg-red-dark); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.portfolio-card__title { display: block; margin: 0; color: var(--ldg-navy-deep); font-size: 1.3rem; font-weight: 900; letter-spacing: -.025em; line-height: 1.1; }
.portfolio-card__trigger:hover .portfolio-card__media img, .portfolio-card__trigger:focus-visible .portfolio-card__media img { transform: scale(1.045); filter: saturate(1.08) contrast(1.03); }
.portfolio-card__trigger:hover .portfolio-card__media::after, .portfolio-card__trigger:focus-visible .portfolio-card__media::after { opacity: 1; transform: translateY(0); }

.portfolio-skeleton { grid-row: span 16; min-height: 0; background: white; border: 1px solid var(--ldg-border); overflow: hidden; }
.portfolio-skeleton--2 { grid-row: span 21; }
.portfolio-skeleton--3 { grid-row: span 13; }
.portfolio-skeleton::before { content: ""; display: block; height: 72%; background: linear-gradient(100deg, #ececf0 20%, #f7f7f9 40%, #ececf0 60%); background-size: 220% 100%; animation: portfolio-shimmer 1.25s linear infinite; }
.portfolio-skeleton::after { content: ""; display: block; width: 64%; height: 42px; margin: 1.25rem; background: #ececf0; }
@keyframes portfolio-shimmer { to { background-position-x: -220%; } }

.portfolio-load-wrap { display: flex; justify-content: center; margin-top: 2.5rem; }
.portfolio-load-wrap .btn[disabled] { opacity: .65; pointer-events: none; }
.portfolio-error { margin-top: 1.5rem; padding: 1rem 1.2rem; color: #7b1821; background: #fff0f1; border-left: 5px solid var(--ldg-red); font-weight: 700; }
.portfolio-empty { grid-column: 1 / -1; margin: 0; padding: 2.5rem; color: var(--ldg-muted); background: var(--ldg-paper); text-align: center; }

.portfolio-modal .modal-content { border: 0; border-radius: 0; box-shadow: 0 28px 80px rgba(12,13,20,.34); }
.portfolio-modal .modal-header { min-height: 64px; padding: 1rem 1.25rem; border-bottom: 1px solid var(--ldg-border); }
.portfolio-modal .modal-body { padding: clamp(1.25rem, 3vw, 2.25rem); }
.portfolio-modal__category { color: var(--ldg-red-dark); font-size: .75rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.portfolio-modal__media { aspect-ratio: 3 / 2; background: var(--ldg-paper); overflow: hidden; }
.portfolio-modal__media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.portfolio-modal__gallery { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: .85rem; }
.portfolio-thumb { width: 92px; height: 66px; padding: 0; background: var(--ldg-paper); border: 2px solid transparent; overflow: hidden; }
.portfolio-thumb.active { border-color: var(--ldg-red); }
.portfolio-thumb img { width: 100%; height: 100%; object-fit: cover; }
.portfolio-modal__title { margin: .25rem 0 1.15rem; color: var(--ldg-navy-deep); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 900; letter-spacing: -.045em; line-height: .95; }
.portfolio-modal__description { color: var(--ldg-muted); font-size: 1.05rem; }
.portfolio-modal__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.portfolio-modal__note { margin-top: 1.5rem; padding: .85rem 1rem; color: #646572; background: var(--ldg-paper); border-left: 4px solid var(--ldg-navy); font-size: .82rem; }

@media (max-width: 991.98px) {
    .portfolio-intro { display: block; }
    .portfolio-intro .section-intro { margin-top: 1.25rem; }
}
@media (max-width: 767.98px) {
    .portfolio-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem .85rem; }
    .portfolio-card__body { padding: .9rem .9rem 1rem; }
    .portfolio-card__title { font-size: 1rem; }
    .portfolio-card__category { font-size: .62rem; }
    .portfolio-card__media::after { display: none; }
}
@media (max-width: 575.98px) {
    .portfolio-filters { flex-wrap: nowrap; margin-right: calc(var(--bs-gutter-x) * -.5); margin-left: calc(var(--bs-gutter-x) * -.5); padding-right: calc(var(--bs-gutter-x) * .5); padding-left: calc(var(--bs-gutter-x) * .5); overflow-x: auto; scrollbar-width: thin; }
    .portfolio-filter { flex: 0 0 auto; }
    .portfolio-tags { margin-bottom: 1.5rem; }
    .portfolio-grid { gap: .65rem .7rem; }
    .portfolio-card__body { min-height: 92px; }
    .portfolio-modal__media { aspect-ratio: 4 / 3; }
}
@media (prefers-reduced-motion: reduce) {
    .portfolio-card__media img, .portfolio-card__media::after, .portfolio-filter, .portfolio-tag, .portfolio-modal__tag { transition: none; }
    .portfolio-skeleton::before { animation: none; }
}