/* =========================================
   PORTFOLIO PAGE STYLES
   ========================================= */

/* Hero Section */
.portfolio-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px; /* Offset for navbar */
    overflow: hidden;
}

.portfolio-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.95));
    z-index: 1;
}

.portfolio-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.portfolio-hero h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--clr-secondary);
}

.portfolio-hero p {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    margin-bottom: 0;
    color: var(--clr-text-secondary);
}

.portfolio-hero .hero-tagline {
    display: block;
    font-size: clamp(0.75rem, 2vw, 0.9rem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: 1.5rem;
}

/* Filter Section */
.portfolio-filter-section {
    background-color: var(--clr-primary);
    padding: 3rem 0 1rem;
}

.filter-wrapper {
    position: relative;
    max-width: 100%;
}

.filter-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--clr-text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--fw-medium);
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--clr-accent);
    color: #111;
    border-color: var(--clr-accent);
}

.mobile-filter-select {
    display: none;
}

@media (max-width: 768px) {
    .filter-container {
        display: none; /* Hide desktop buttons */
    }

    .mobile-filter-select {
        display: block;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        background: var(--clr-elevated);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: var(--clr-secondary);
        padding: 0.8rem 1.5rem;
        border-radius: 4px;
        cursor: pointer;
        font-family: var(--font-primary);
        font-size: 1rem;
        font-weight: var(--fw-medium);
        appearance: none;
        -webkit-appearance: none;
        -moz-appearance: none;
        /* Add custom arrow */
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F5F5F5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        background-size: 1em;
    }

    .mobile-filter-select:focus {
        outline: none;
        border-color: var(--clr-accent);
    }
}

/* Gallery Masonry */
.pt-0 {
    padding-top: 0 !important;
}

.portfolio-masonry {
    columns: 3 320px;
    column-gap: 1.5rem;
}

.portfolio-item {
    break-inside: avoid;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.portfolio-item.show {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item img {
    width: 100%;
    display: block;
    transition: transform 0.8s ease;
    will-change: transform;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.4) 40%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    margin: 0 0 0.3rem;
    font-size: 1.25rem;
    color: var(--clr-secondary);
    transform: translateY(15px);
    transition: transform 0.4s ease;
}

.portfolio-overlay span {
    font-size: 0.85rem;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transform: translateY(15px);
    transition: transform 0.4s ease;
    transition-delay: 0.05s;
}

.portfolio-item:hover .portfolio-overlay h3,
.portfolio-item:hover .portfolio-overlay span {
    transform: translateY(0);
}

@media (max-width: 992px) {
    .portfolio-masonry {
        columns: 2 250px;
    }
}

@media (max-width: 576px) {
    .portfolio-masonry {
        columns: 1 100%;
        column-gap: 0;
    }
    
    .portfolio-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(10, 10, 10, 0.8) 0%, transparent 50%);
    }
    
    .portfolio-overlay h3, .portfolio-overlay span {
        transform: translateY(0);
    }
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox-content-wrapper {
    position: relative;
    z-index: 2001;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content-wrapper img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lightbox-content-wrapper img.loaded {
    opacity: 1;
    transform: scale(1);
}

.lightbox-info {
    text-align: center;
    margin-top: 1.5rem;
    width: 100%;
}

.lightbox-info h3 {
    margin: 0 0 0.3rem 0;
    font-size: 1.25rem;
    color: var(--clr-secondary);
}

.lightbox-info span {
    color: var(--clr-accent);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--fw-medium);
}

.lightbox-btn {
    position: absolute;
    z-index: 2002;
    background: transparent;
    border: none;
    color: var(--clr-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    line-height: 1;
}

.lightbox-prev,
.lightbox-next {
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    background: rgba(21, 21, 21, 0.5);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--clr-accent);
    background: rgba(21, 21, 21, 0.8);
    border-color: var(--clr-accent);
}

@media (max-width: 768px) {
    .lightbox-prev, .lightbox-next {
        top: auto;
        bottom: 2rem;
        transform: none;
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }
    .lightbox-prev { left: 2rem; }
    .lightbox-next { right: 2rem; }
    .lightbox-close { top: 1rem; right: 1rem; font-size: 2.5rem; }
    .lightbox-info { margin-bottom: 4rem; }
}