/* Portfolio — styl minimalistyczny, redaktorska kompozycja */

.portfolio-wrap {
    padding: 60px 20px 80px;
    max-width: 1400px;
}

.portfolio-header {
    text-align: left;
    margin-bottom: 40px;
    padding: 0 20px;
}

.portfolio-h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(20px, 2vw, 28px);
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.portfolio-subtitle {
    font-family: 'Open Sans', sans-serif;
    font-size: clamp(13px, 1.1vw, 15px);
    color: #666;
    margin: 0;
    line-height: 1.4;
}

/* Filtry kategorii — minimalistyczne, galeryjny styl */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 28px;
    justify-content: flex-start;
    align-items: baseline;
    margin-bottom: 40px;
    padding: 0 20px;
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 18px;
}

.portfolio-filter {
    background: transparent;
    border: none;
    color: #888;
    font-family: 'Poppins', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 4px 0;
    cursor: pointer;
    transition: color 0.2s;
    position: relative;
}

.portfolio-filter::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -19px;
    height: 1px;
    background: transparent;
    transition: background 0.2s;
}

.portfolio-filter:hover {
    color: #1a1a2e;
}

.portfolio-filter.active {
    color: #1a1a2e;
    font-weight: 600;
}

.portfolio-filter.active::after {
    background: #1a1a2e;
}

@media (max-width: 767px) {
    .portfolio-filters {
        gap: 4px 18px;
        padding-bottom: 14px;
    }
    .portfolio-filter::after {
        bottom: -15px;
    }
}

/* Grid 12-kolumnowy */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
    grid-auto-flow: dense;
}

/* Kafelek — bazowe */
.portfolio-tile {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    aspect-ratio: 4 / 3;
    background: #f3f4f6;
    transition: opacity 0.3s;
}

.portfolio-tile.hidden {
    display: none;
}

.portfolio-tile__image {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.portfolio-tile__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-tile__image--empty {
    background: linear-gradient(135deg, #e5e7eb, #f3f4f6);
}

.portfolio-tile:hover .portfolio-tile__image img {
    transform: scale(1.04);
}

.portfolio-tile__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(0,0,0,0.7) 100%);
    color: #fff;
    opacity: 1;
    transition: background 0.3s;
}

.portfolio-tile:hover .portfolio-tile__overlay {
    background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.8) 100%);
}

.portfolio-tile__title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(16px, 1.4vw, 22px);
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
    color: #fff;
}

.portfolio-tile__desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 13px;
    line-height: 1.4;
    margin: 0 0 8px;
    color: rgba(255,255,255,0.92);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s, max-height 0.3s;
}

.portfolio-tile:hover .portfolio-tile__desc {
    opacity: 1;
    max-height: 100px;
}

.portfolio-tile__cats {
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.75);
}

/* Rozmiary kafelków (12 kolumn) */
.portfolio-tile--small  { grid-column: span 4; aspect-ratio: 1 / 1; }
.portfolio-tile--medium { grid-column: span 6; aspect-ratio: 4 / 3; }
.portfolio-tile--large  { grid-column: span 8; aspect-ratio: 16 / 10; }
.portfolio-tile--wide   { grid-column: span 12; aspect-ratio: 21 / 9; }
.portfolio-tile--tall   { grid-column: span 6; grid-row: span 2; aspect-ratio: 3 / 5; }

/* Empty state */
.portfolio-empty {
    text-align: center;
    padding: 80px 20px;
    color: #666;
    font-family: 'Open Sans', sans-serif;
}

/* Responsywność */
@media (max-width: 991px) {
    .portfolio-tile--large { grid-column: span 12; aspect-ratio: 16 / 10; }
    .portfolio-tile--tall  { grid-column: span 6; grid-row: span 1; aspect-ratio: 4 / 5; }
}

@media (max-width: 767px) {
    .portfolio-wrap { padding: 40px 12px 60px; }
    .portfolio-grid { gap: 10px; }
    .portfolio-tile--small,
    .portfolio-tile--medium,
    .portfolio-tile--large,
    .portfolio-tile--wide,
    .portfolio-tile--tall {
        grid-column: span 12;
        grid-row: auto;
        aspect-ratio: 4 / 3;
    }
    .portfolio-tile__desc {
        display: none;
    }
}

/* ============ DETAIL PAGE ============ */

.portfolio-detail {
    padding: 0 0 80px;
}

.portfolio-detail__hero {
    width: 100%;
    aspect-ratio: 21 / 9;
    overflow: hidden;
    background: #1a1a2e;
}

.portfolio-detail__hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-detail__head {
    max-width: 900px;
    margin: 50px auto 30px;
    padding: 0 20px;
    text-align: center;
}

.portfolio-detail__title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 16px;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.portfolio-detail__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 24px;
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    color: #666;
}

.portfolio-detail__meta span strong {
    color: #1a1a2e;
    font-weight: 600;
    margin-right: 4px;
}

.portfolio-detail__meta .portfolio-detail__cat {
    background: #ede9fe;
    color: #6d28d9;
    padding: 2px 10px;
    border-radius: 12px;
    font-weight: 500;
}

.portfolio-detail__body {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 20px;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #333;
}

.portfolio-detail__body p { margin: 0 0 1.2em; }
.portfolio-detail__body h2, .portfolio-detail__body h3 {
    font-family: 'Poppins', sans-serif;
    color: #1a1a2e;
    margin: 1.8em 0 0.6em;
}
.portfolio-detail__body h2 { font-size: 1.5em; font-weight: 600; }
.portfolio-detail__body h3 { font-size: 1.2em; font-weight: 600; }
.portfolio-detail__body a { color: #8b5cf6; }
.portfolio-detail__body ul, .portfolio-detail__body ol { padding-left: 1.6em; margin: 0 0 1.2em; }

/* Galeria */
.portfolio-detail__gallery {
    margin: 60px auto;
    max-width: 1400px;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.portfolio-detail__gallery figure {
    margin: 0;
    overflow: hidden;
    border-radius: 10px;
}

.portfolio-detail__gallery figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.portfolio-detail__gallery figcaption {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.85rem;
    color: #666;
    padding: 8px 4px 0;
}

/* Naprzemienny layout galerii */
.portfolio-detail__gallery figure:nth-child(3n+1) { grid-column: span 6; aspect-ratio: 21 / 9; }
.portfolio-detail__gallery figure:nth-child(3n+2) { grid-column: span 3; aspect-ratio: 4 / 3; }
.portfolio-detail__gallery figure:nth-child(3n+3) { grid-column: span 3; aspect-ratio: 4 / 3; }

@media (max-width: 767px) {
    .portfolio-detail__gallery {
        grid-template-columns: 1fr;
    }
    .portfolio-detail__gallery figure:nth-child(n) {
        grid-column: span 1;
        aspect-ratio: 4 / 3;
    }
}

/* Related */
.portfolio-related {
    max-width: 1400px;
    margin: 60px auto 0;
    padding: 0 20px;
}

.portfolio-related h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
    margin: 0 0 30px;
}

.portfolio-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 767px) {
    .portfolio-related__grid { grid-template-columns: 1fr; }
}

/* Nav prev/next */
.portfolio-nav {
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 30px 20px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.portfolio-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #555;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: color 0.2s;
}

.portfolio-nav a:hover { color: #1a1a2e; }

.portfolio-nav__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #999;
}

.portfolio-nav__title {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-top: 2px;
}

.portfolio-nav__next {
    text-align: right;
    margin-left: auto;
}

/* CTA */
.portfolio-cta {
    max-width: 900px;
    margin: 80px auto 0;
    padding: 50px 30px;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #ede9fe 100%);
    border-radius: 20px;
}

.portfolio-cta h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 12px;
}

.portfolio-cta p {
    color: #555;
    max-width: 500px;
    margin: 0 auto 24px;
    line-height: 1.5;
}

.portfolio-cta__btn {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.portfolio-cta__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
    color: #fff;
}