/* ==========================================================================
   Portfolio Archive — Grid & Filters
   ========================================================================== */

.akkar-portfolio-archive {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}


/* Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid #ddd;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    color: #555;
}

.filter-btn:hover {
    border-color: #0a0a0a;
    color: #0a0a0a;
}

.filter-btn.active {
    background: #0a0a0a;
    border-color: #0a0a0a;
    color: #fff;
}

/* Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    opacity: 1;
    transition: opacity 0.3s ease;
}

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

.portfolio-item-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.portfolio-item-image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4 / 3;
    background: #f0f0f0;
}

.portfolio-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.portfolio-item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-item-view {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.portfolio-item-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
}

.portfolio-item-info {
    padding: 18px 0 0;
}

.portfolio-item-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 5px;
    color: #0a0a0a;
}

.portfolio-item-category {
    font-size: 14px;
    color: #888;
}

.portfolio-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: #999;
    font-style: italic;
    padding: 60px 0;
}

/* Infinite Scroll Loader */
.portfolio-loader {
    display: flex;
    justify-content: center;
    padding: 50px 0 20px;
}

.loader-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid #eee;
    border-top-color: #0a0a0a;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.portfolio-loader.loading .loader-spinner {
    opacity: 1;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Single Portfolio — Case Study
   ========================================================================== */

.akkar-portfolio-single {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px 80px;
}

.portfolio-single-header {
    text-align: center;
    margin-bottom: 50px;
}

.portfolio-single-category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #e63946;
    margin-bottom: 15px;
}

.portfolio-single-title {
    font-size: 44px;
    font-weight: 700;
    margin: 0 0 20px;
    color: #0a0a0a;
}

.portfolio-single-excerpt {
    font-size: 19px;
    color: #555;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Hero Image */
.portfolio-single-hero {
    margin-bottom: 60px;
    border-radius: 10px;
    overflow: hidden;
}

.portfolio-single-hero img {
    width: 100%;
    height: auto;
    display: block;
}

/* Meta Sidebar */
.portfolio-single-meta {
    display: flex;
    gap: 40px;
    padding: 30px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.meta-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
}

.meta-value {
    font-size: 16px;
    color: #333;
}

.meta-value a {
    color: #e63946;
    text-decoration: none;
    font-weight: 500;
}

.meta-value a:hover {
    text-decoration: underline;
}

.meta-country-flag {
    font-size: 18px;
    vertical-align: middle;
}

/* Case Study Sections */
.portfolio-single-sections {
    margin-bottom: 50px;
}

.portfolio-section {
    margin-bottom: 40px;
}

.portfolio-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 12px;
    color: #0a0a0a;
}

.portfolio-section p {
    font-size: 17px;
    line-height: 1.7;
    color: #444;
}

/* Body Content */
.portfolio-single-body {
    font-size: 17px;
    line-height: 1.8;
    color: #333;
}

.portfolio-single-body img {
    border-radius: 8px;
    margin: 30px 0;
}

/* Navigation */
.portfolio-single-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid #eee;
    gap: 20px;
}

.portfolio-nav-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-width: 45%;
}

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

.nav-label {
    font-size: 13px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-title {
    font-size: 17px;
    font-weight: 600;
    color: #0a0a0a;
    transition: color 0.2s ease;
}

.portfolio-nav-link:hover .nav-title {
    color: #e63946;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .portfolio-title,
    .portfolio-single-title {
        font-size: 36px;
    }
}

@media (max-width: 600px) {
    .portfolio-filters {
        gap: 8px;
        margin-bottom: 35px;
    }

    .filter-btn {
        padding: 6px 14px;
        font-size: 13px;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .akkar-portfolio-archive {
        padding: 50px 15px;
    }

    .portfolio-title {
        font-size: 32px;
    }

    .portfolio-single-title {
        font-size: 30px;
    }

    .portfolio-single-meta {
        flex-direction: column;
        gap: 20px;
    }

    .portfolio-single-nav {
        flex-direction: column;
    }

    .portfolio-nav-link {
        max-width: 100%;
    }

    .portfolio-nav-next {
        text-align: left;
    }

    .portfolio-item-view {
        font-size: 12px;
    }

    .akkar-portfolio-single {
        padding: 40px 15px 60px;
    }

    .portfolio-single-excerpt {
        font-size: 16px;
    }
}