/* ===== work page specific styles ===== */

/* work hero */
.work-hero {
    padding: 10rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.work-hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.3;
    max-width: 800px;
    margin-bottom: 1.5rem;
}

.work-hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* filter tabs */
.work-filters {
    padding: 2rem 0;
    position: sticky;
    top: 70px;
    background: var(--bg-primary);
    z-index: 50;
    border-bottom: 1px solid var(--border-subtle);
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-soft);
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.filter-tab.active {
    color: #ffffff;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-color: transparent;
}

/* work section */
.work-section {
    padding-top: 4rem;
}

/* case studies grid */
.case-studies-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.case-study-card {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 1.5rem;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.3s ease;
}

@media (min-width: 768px) {
    .case-study-card {
        grid-template-columns: 1fr 1fr;
    }
    
    .case-study-card:nth-child(even) {
        direction: rtl;
    }
    
    .case-study-card:nth-child(even) > * {
        direction: ltr;
    }
}

.case-study-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-deep);
    border-color: var(--accent-primary);
}

.case-study-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

@media (min-width: 768px) {
    .case-study-image {
        aspect-ratio: 16/10;
        height: 100%;
    }
}

.case-study-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.case-study-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(123,124,255,0.1), rgba(255,133,194,0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-study-card:hover .case-study-overlay {
    opacity: 1;
}

/* gradient background for cards without images */
.case-study-image-gradient {
    position: relative;
    background: var(--bg-tertiary);
}

.case-study-gradient-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(123, 124, 255, 0.2), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(111, 231, 200, 0.15), transparent 50%),
        var(--bg-tertiary);
}

[data-theme="light"] .case-study-gradient-bg {
    background: 
        radial-gradient(circle at 30% 30%, rgba(106, 108, 255, 0.15), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(63, 209, 162, 0.1), transparent 50%),
        var(--bg-tertiary);
}

.case-study-gradient-harman {
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 191, 105, 0.2), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(123, 124, 255, 0.15), transparent 45%),
        var(--bg-tertiary);
}

[data-theme="light"] .case-study-gradient-harman {
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 166, 43, 0.15), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(106, 108, 255, 0.1), transparent 45%),
        var(--bg-tertiary);
}

.case-study-gradient-verizon {
    background: 
        radial-gradient(circle at 30% 40%, rgba(238, 0, 0, 0.2), transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0, 0, 0, 0.15), transparent 50%),
        var(--bg-tertiary);
}

[data-theme="light"] .case-study-gradient-verizon {
    background: 
        radial-gradient(circle at 30% 40%, rgba(238, 0, 0, 0.15), transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0, 0, 0, 0.05), transparent 50%),
        var(--bg-tertiary);
}

.case-study-content {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    position: relative;
}

@media (min-width: 768px) {
    .case-study-content {
        padding: 3rem;
        justify-content: center;
    }
}

.case-study-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

@media (min-width: 768px) {
    .case-study-number {
        font-size: 6rem;
        top: 2rem;
        right: 2rem;
    }
}

.case-study-logo {
    width: 80px;
    height: auto;
    margin-bottom: 1rem;
    border-radius: 0.75rem;
}

.case-study-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.case-study-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.case-study-card:hover .case-study-title {
    color: var(--accent-primary);
}

.case-study-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.case-study-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.case-study-cta {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-soft);
    border-radius: 50%;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.case-study-card:hover .case-study-cta {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-color: transparent;
    color: #ffffff;
    transform: rotate(-45deg);
}

/* illustrations grid */
.illustrations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .illustrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.illustration-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
}

.illustration-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-deep);
    border-color: var(--accent-secondary);
}

.illustration-image {
    aspect-ratio: 1;
    overflow: hidden;
}

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

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

.illustration-content {
    padding: 1rem 1.25rem;
}

.illustration-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.illustration-category {
    font-size: 0.75rem;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* hidden state for filtering */
.case-study-card.hidden,
.illustration-card.hidden {
    display: none;
}

/* ===== mobile responsiveness ===== */
@media (max-width: 767px) {
    .work-hero {
        padding: 7rem 0 3rem;
    }
    
    .work-hero-title {
        font-size: 1.5rem;
    }
    
    .work-hero-description {
        font-size: 1rem;
    }
    
    .work-filters {
        padding: 1rem 0;
        top: 60px;
    }
    
    .filter-tabs {
        gap: 0.375rem;
    }
    
    .filter-tab {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
    
    .work-section {
        padding-top: 2rem;
    }
    
    .case-studies-grid {
        gap: 1.5rem;
    }
    
    .case-study-card {
        border-radius: 1rem;
    }
    
    .case-study-content {
        padding: 1.5rem;
    }
    
    .case-study-number {
        font-size: 3rem;
        top: 1rem;
        right: 1rem;
    }
    
    .case-study-title {
        font-size: 1.25rem;
    }
    
    .case-study-description {
        font-size: 0.9375rem;
    }
    
    .case-study-cta {
        width: 2.5rem;
        height: 2.5rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .illustrations-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .illustration-card {
        border-radius: 0.75rem;
    }
    
    .illustration-content {
        padding: 0.875rem 1rem;
    }
    
    .illustration-title {
        font-size: 0.875rem;
    }
    
    .illustration-category {
        font-size: 0.6875rem;
    }
}

/* light mode fixes for work page */
[data-theme="light"] .work-hero-title {
    color: var(--text-primary);
}

[data-theme="light"] .case-study-title {
    color: var(--text-primary);
}

[data-theme="light"] .case-study-card {
    background: var(--bg-secondary);
}

[data-theme="light"] .illustration-card {
    background: var(--bg-secondary);
}

[data-theme="light"] .illustration-title {
    color: var(--text-primary);
}

/* ===== lightbox modal ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    -webkit-user-select: none;
    user-select: none;
}

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

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.lightbox-category {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== content protection ===== */
.illustration-image img,
.case-study-image img {
    pointer-events: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* disable text selection on titles and content */
.illustration-title,
.illustration-category,
.illustration-content {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

@media (max-width: 767px) {
    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .lightbox-title {
        font-size: 1.25rem;
    }
    
    .lightbox-category {
        font-size: 0.75rem;
    }
}