/* 
 * Enterprise Portfolio System - Styles 
 */

:root {
    --portfolio-bg: #0a0a0a;
    --portfolio-card-bg: #151515;
    --portfolio-border: #222;
    --portfolio-primary: #007bff; /* Adjust to match theme primary */
    --portfolio-text: #ccc;
    --portfolio-heading: #fff;
    --portfolio-hover: #1a1a1a;
}

.portfolio-archive, .portfolio-case-study {
    background-color: var(--portfolio-bg);
    color: var(--portfolio-text);
}

/* Portfolio Grid Cards */
.portfolio-card {
    background-color: var(--portfolio-card-bg);
    border: 1px solid var(--portfolio-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.portfolio-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.portfolio-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

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

.portfolio-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.view-btn {
    background: var(--portfolio-primary);
    color: #fff;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.portfolio-card:hover .view-btn {
    transform: translateY(0);
}

.portfolio-card-content {
    padding: 20px;
}

.portfolio-card-meta {
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: var(--portfolio-primary);
}

.portfolio-card-meta span {
    margin-right: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-card-title {
    color: var(--portfolio-heading);
    font-size: 1.25rem;
    margin-bottom: 10px;
}

/* Filter Bar */
.portfolio-filters {
    border-bottom: 1px solid var(--portfolio-border);
}

.portfolio-filters .form-control, .portfolio-filters .form-select {
    border-radius: 4px;
}

/* Single Portfolio Layout */
#reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--portfolio-primary);
    width: 0%;
    z-index: 9999;
    transition: width 0.1s ease;
}

.portfolio-section {
    padding: 60px 0;
}

.section-heading {
    color: var(--portfolio-heading);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

/* Sticky TOC */
.portfolio-toc {
    position: fixed;
    top: 150px;
    left: 20px;
    width: 220px;
    background: var(--portfolio-card-bg);
    border: 1px solid var(--portfolio-border);
    padding: 20px;
    border-radius: 8px;
    z-index: 1000;
    display: none; /* hidden on small screens */
}

@media (min-width: 1400px) {
    .portfolio-toc {
        display: block;
    }
    .portfolio-section .container {
        max-width: 900px; /* Constrain width when TOC is active */
    }
}

.portfolio-toc .toc-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--portfolio-heading);
}

.portfolio-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.portfolio-toc li {
    margin-bottom: 10px;
}

.portfolio-toc a {
    color: var(--portfolio-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.portfolio-toc a:hover, .portfolio-toc a.active {
    color: var(--portfolio-primary);
}

/* Timeline */
.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
    width: 2px;
    background: var(--portfolio-border);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 12px;
    width: 18px;
    height: 18px;
    background: var(--portfolio-primary);
    border-radius: 50%;
    border: 4px solid var(--portfolio-bg);
    z-index: 1;
}

.timeline-content {
    margin-left: 50px;
}

/* Deliverables */
.deliverable-item {
    transition: transform 0.3s ease;
}

.deliverable-item:hover {
    transform: translateY(-5px);
    border-color: var(--portfolio-primary) !important;
}

/* Before After */
.ba-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.ba-slider img {
    width: 100%;
    display: block;
}

.ba-slider .resize {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 50%;
    overflow: hidden;
}

.ba-slider .handle {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--portfolio-primary);
    cursor: ew-resize;
}

.ba-slider .handle::after {
    content: '< >';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--portfolio-primary);
    color: #fff;
    padding: 5px;
    border-radius: 50%;
    font-size: 10px;
    font-weight: bold;
}

/* Accordions */
.accordion-button {
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background-color: var(--portfolio-hover);
    color: var(--portfolio-primary) !important;
}

.accordion-item {
    background-color: var(--portfolio-card-bg);
}