/* =========================================================================
   Open Case Studies - Archive & Taxonomy Styles (Dark Theme)
   ========================================================================= */

.ocs-archive-page {
    background-color: #0f0f23;
    color: #e0e0e0;
    margin: 0 -50vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    padding-bottom: 60px;
}

.ocs-archive-page *,
.ocs-archive-page *::before,
.ocs-archive-page *::after {
    box-sizing: border-box;
}

.ocs-archive-page a {
    color: inherit;
    text-decoration: none;
}

.ocs-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.ocs-archive-header {
    padding: 60px 0 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 30px;
}

.ocs-archive-title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.ocs-archive-description {
    font-size: 15px;
    color: #a0a0b8;
    margin: 12px 0 0;
    max-width: 600px;
}

/* =========================================================================
   FILTERS
   ========================================================================= */

.ocs-filters {
    margin-bottom: 40px;
}

.ocs-filters-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.ocs-filter-group {
    flex: 1;
    min-width: 200px;
}

.ocs-filter-group:last-child {
    flex: 0 0 auto;
    min-width: auto;
    display: flex;
    gap: 10px;
    align-items: center;
}

.ocs-filter-select {
    width: 100%;
    background: #151530;
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.02em;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='rgba(255,255,255,0.5)' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    padding-right: 44px;
    transition: border-color 0.2s;
}

.ocs-filter-select:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.ocs-filter-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.35);
}

.ocs-filter-select option {
    background: #151530;
    color: #e0e0e0;
}

.ocs-filter-btn {
    background: #F4A10D;
    color: #1a1a2e;
    border: none;
    border-radius: 50px;
    padding: 16px 36px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.ocs-filter-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(244, 161, 13, 0.3);
}

.ocs-filter-reset {
    color: #a0a0b8;
    font-size: 14px;
    padding: 10px 12px;
    transition: color 0.2s;
    white-space: nowrap;
}

.ocs-filter-reset:hover {
    color: #ffffff;
}

/* =========================================================================
   GRID
   ========================================================================= */

.ocs-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Card */
.ocs-archive-card {
    background: #13132b;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.ocs-archive-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(244, 161, 13, 0.15);
}

.ocs-archive-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ocs-archive-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.ocs-archive-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ocs-archive-card:hover .ocs-archive-card-image img {
    transform: scale(1.08);
}

.ocs-archive-card-overlay {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
}

.ocs-card-category {
    display: inline-block;
    background: rgba(244, 161, 13, 0.9);
    color: #0f0f23;
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ocs-archive-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a36, #252550);
}

.ocs-archive-card-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ocs-archive-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.ocs-archive-card-client {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ocs-card-client-logo {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ocs-card-client-name {
    font-size: 12px;
    font-weight: 600;
    color: #F4A10D;
    letter-spacing: 0.02em;
}

.ocs-card-year {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 10px;
    border-radius: 4px;
}

.ocs-archive-card-title {
    font-size: 17px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 10px 0;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ocs-archive-card-excerpt {
    font-size: 13px;
    color: #6e6e8a;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.ocs-archive-card-footer {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ocs-archive-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #F4A10D;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: gap 0.2s ease;
}

.ocs-archive-card:hover .ocs-archive-card-btn {
    gap: 8px;
}

/* Pagination */
.ocs-pagination {
    margin-top: 50px;
    text-align: center;
}

.ocs-pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.ocs-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #1a1a36;
    color: #e0e0e0;
    font-size: 14px;
    transition: background 0.2s;
}

.ocs-pagination .page-numbers.current,
.ocs-pagination .page-numbers:hover {
    background: #F4A10D;
    color: #1a1a2e;
}

/* No results */
.ocs-no-results {
    text-align: center;
    padding: 60px 0;
    color: #808098;
    font-size: 16px;
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 768px) {
    .ocs-archive-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .ocs-archive-title {
        font-size: 28px;
    }

    .ocs-filters-form {
        flex-direction: column;
        align-items: stretch;
    }

    .ocs-filter-group {
        min-width: 100%;
    }

    .ocs-filter-group:last-child {
        flex-direction: column;
    }

    .ocs-container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .ocs-archive-grid {
        grid-template-columns: 1fr;
    }
}