/* ============================================
   PORTFOLIO PAGE - Landing Page Style
   ============================================ */

.portfolio-page {
    min-height: 100vh;
    background: var(--color-bg);
}

/* Portfolio section */
.portfolio-section {
    padding: 100px 20px 80px;
    background: var(--color-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-header {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    align-items: flex-end;
    margin-bottom: 3rem;
}

.portfolio-header .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    display: block;
}

.portfolio-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 0;
    font-weight: 700;
}

.portfolio-header p {
    max-width: 520px;
    color: var(--color-text-muted);
    text-align: right;
}

/* Masonry galerie */
.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

/* Karty portfolia - Senior Design Concept */
.portfolio-card {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
    cursor: pointer;
    min-height: 320px;
    group: group;
    
    /* Base styling */
    background: rgba(255,255,255,.01);
    border: 1px solid rgba(255,255,255,.06);
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
    
    /* Smooth transitions */
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Gradient border effect */
.portfolio-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1.25rem;
    padding: 1px;
    background: linear-gradient(135deg, 
        rgba(240,93,94,0) 0%,
        rgba(200,29,60,.3) 50%, 
        rgba(240,93,94,0) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    z-index: 1;
}

.portfolio-card:hover::before {
    opacity: 1;
}

.portfolio-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(200,29,60,.4);
    background: rgba(255,255,255,.03);
    box-shadow: 
        0 32px 64px rgba(200,29,60,.15),
        inset 0 0 1px rgba(240,93,94,.2);
}

.portfolio-card__link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
}

.portfolio-card__image-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, rgba(92, 10, 26, 0.3), rgba(19, 6, 10, 0.5));
}

.portfolio-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1),
                filter 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0.85;
    filter: brightness(0.95) saturate(0.95);
}

.portfolio-card:hover .portfolio-card__image {
    transform: scale(1.12) rotate(0.5deg);
    opacity: 1;
    filter: brightness(1) saturate(1.1);
}

.portfolio-card__image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(92, 10, 26, 0.2), rgba(19, 6, 10, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* Overlay - Reveal on Hover */
.portfolio-card__overlay {
    position: absolute;
    inset: 0;
    padding: 1.5rem;
    background: linear-gradient(180deg, 
        rgba(0,0,0,.0) 0%,
        rgba(0,0,0,.3) 40%,
        rgba(0,0,0,.95) 100%);
    color: white;
    display: flex;
    align-items: flex-end;
    
    /* Reveal animation */
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
                backdrop-filter 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.portfolio-card:hover .portfolio-card__overlay {
    opacity: 1;
    backdrop-filter: blur(2px);
}

.portfolio-card__content {
    color: white;
    width: 100%;
    animation: slideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
    word-break: break-word;
    letter-spacing: -0.3px;
}

.portfolio-card__type {
    font-size: 0.65rem;
    margin: 0;
    opacity: 0.75;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(240,93,94,.9);
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(240,93,94,.3);
    backdrop-filter: blur(4px);
}

/* Empty state */
.portfolio-empty {
    text-align: center;
    padding: 100px 20px;
}

.portfolio-empty i {
    font-size: 5rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    opacity: 0.5;
}

.portfolio-empty h2 {
    font-family: 'Playfair Display', serif;
    color: var(--color-text);
    font-size: 2rem;
    margin: 0 0 1rem 0;
    font-weight: 700;
}

.portfolio-empty p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* Lightbox */
.project-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(5, 2, 3, 0.98);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.project-lightbox.active {
    display: flex;
}

@keyframes fadeIn {
    from { 
        opacity: 0;
        backdrop-filter: blur(0);
        -webkit-backdrop-filter: blur(0);
    }
    to { 
        opacity: 1;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

.project-lightbox__content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from { 
        transform: translateY(40px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

.project-lightbox__image {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 1rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,.05);
}

.project-lightbox__info h2 {
    font-family: 'Playfair Display', serif;
    color: var(--color-text);
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.project-lightbox__info p {
    color: var(--color-text-muted);
}

.project-lightbox__close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(10,10,10,.85);
    border: 1px solid rgba(255,255,255,.1);
    color: var(--color-text);
    font-size: 1.3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.project-lightbox__close:hover {
    background: rgba(200, 29, 60, .8);
    border-color: rgba(200, 29, 60, .5);
    transform: rotate(90deg);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-section {
        padding: 60px 20px;
    }

    .portfolio-header {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }

    .portfolio-header p {
        text-align: left;
        max-width: 100%;
    }

    .portfolio-masonry {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 16px;
    }

    .portfolio-card {
        min-height: 280px;
    }

    .portfolio-card__title {
        font-size: 1.1rem;
    }

    .project-lightbox__image {
        max-height: 60vh;
    }

    .project-lightbox__close {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
        top: 20px;
        right: 20px;
    }
}