/* ========================================
   Portfolio Detail - Navy & Silver Glass Theme
   ======================================== */

/* ===== Reading Progress Bar ===== */
.reading-progress {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    z-index: 999;
}

.reading-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(30, 64, 175, 0.5);
}

/* ===== Portfolio Detail Hero ===== */
.portfolio-detail-hero {
    position: relative;
    min-height: 75vh;
    display: flex;
    align-items: flex-end;
    padding: 100px 0 60px;
    overflow: hidden;
    margin-top: calc(-1 * var(--header-height));
    padding-top: calc(var(--header-height) + 80px);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    transition: transform 0.5s ease;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(15, 23, 42, 0.5) 0%,
        rgba(15, 23, 42, 0.75) 50%,
        rgba(15, 23, 42, 0.95) 100%
    );
}

[data-theme="dark"] .hero-overlay {
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.6) 0%,
        rgba(10, 10, 15, 0.85) 50%,
        rgba(10, 10, 15, 0.98) 100%
    );
}

/* Breadcrumb */
.portfolio-breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.breadcrumb-link:hover {
    color: white;
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.7rem;
}

.breadcrumb-current {
    color: white;
    font-weight: 600;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 800px;
}

.hero-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    max-width: 600px;
}

/* Hero Meta */
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.meta-item i {
    color: #60a5fa;
}

.meta-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ===== Main Content ===== */
.portfolio-detail-main {
    padding: 60px 0 80px;
    position: relative;
    z-index: 1;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

/* Content Column */
.detail-content {
    min-width: 0;
}

.content-section {
    margin-bottom: 50px;
}

/* Section Label */
.section-label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.label-line {
    flex: 0 0 40px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.label-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Prose Content */
.prose-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.prose-content p {
    margin-bottom: 16px;
}

.prose-content h2, .prose-content h3, .prose-content h4 {
    color: var(--text-primary);
    margin: 24px 0 12px;
    font-weight: 700;
}

.prose-content h2 { font-size: 1.5rem; }
.prose-content h3 { font-size: 1.25rem; }
.prose-content h4 { font-size: 1.1rem; }

.prose-content ul, .prose-content ol {
    margin: 16px 0;
    padding-right: 24px;
}

.prose-content li {
    margin-bottom: 8px;
    list-style: disc;
}

.prose-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 16px 0;
}

.prose-content a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.prose-content blockquote {
    border-right: 4px solid var(--accent-primary);
    padding: 12px 20px;
    margin: 20px 0;
    background: var(--bg-tertiary);
    border-radius: 0 12px 12px 0;
    font-style: italic;
}

/* ===== Gallery ===== */
.project-gallery {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 20px;
}

.gallery-main {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    margin-bottom: 16px;
    background: var(--bg-tertiary);
}

.gallery-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-zoom-btn {
    position: absolute;
    bottom: 16px;
    left: 16px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    color: var(--accent-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.gallery-zoom-btn:hover {
    background: var(--accent-gradient);
    color: white;
    transform: scale(1.1);
}

.gallery-thumbnails {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 4px;
    scroll-snap-type: x mandatory;
}

.gallery-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.gallery-thumbnails::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.gallery-thumbnails::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

.gallery-thumb {
    flex: 0 0 90px;
    height: 70px;
    border: 2px solid transparent;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    background: none;
    transition: all var(--transition-fast);
    scroll-snap-align: start;
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-thumb:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.gallery-thumb.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2);
}

/* ===== Challenges Grid ===== */
.challenges-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.challenge-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    transition: all var(--transition-base);
}

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

.challenge-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.challenge-icon.success {
    background: linear-gradient(135deg, #10b981, #059669);
}

.challenge-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.challenge-content {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
}

.challenge-content p { margin-bottom: 8px; }
.challenge-content ul { padding-right: 20px; }
.challenge-content li { margin-bottom: 6px; list-style: disc; }

/* ===== Results ===== */
.results-content {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05), rgba(37, 99, 235, 0.02));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    color: var(--text-secondary);
    line-height: 1.9;
}

[data-theme="dark"] .results-content {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(37, 99, 235, 0.05));
}

/* ===== Project Navigation ===== */
.project-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.nav-item:hover:not(.disabled) {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.nav-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-item > i {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.nav-item:hover:not(.disabled) > i {
    background: var(--accent-gradient);
    color: white;
}

.nav-item.next {
    justify-content: flex-end;
    text-align: left;
}

.nav-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.nav-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* ===== Sidebar ===== */
.detail-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 20px;
    padding: 24px;
    transition: all var(--transition-base);
}

[data-theme="dark"] .sidebar-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-lg);
}

.sidebar-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-card-header i {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.95rem;
}

.sidebar-card-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Info List */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.info-label i {
    color: var(--accent-primary);
    font-size: 0.85rem;
    width: 16px;
    text-align: center;
}

.info-value {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.project-link:hover {
    gap: 10px;
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.tech-item i {
    color: var(--accent-primary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.tech-item:hover i {
    color: white;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.share-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.share-btn.telegram:hover { background: #0088cc; color: white; border-color: transparent; }
.share-btn.whatsapp:hover { background: #25d366; color: white; border-color: transparent; }
.share-btn.linkedin:hover { background: #0077b5; color: white; border-color: transparent; }
.share-btn.twitter:hover { background: #1da1f2; color: white; border-color: transparent; }
.share-btn.copy:hover { background: var(--accent-gradient); color: white; border-color: transparent; }

/* CTA Card */
.cta-card {
    background: var(--accent-gradient) !important;
    color: white;
    text-align: center;
    border: none !important;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 6s infinite linear;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cta-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    position: relative;
    z-index: 1;
}

.cta-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 0.88rem;
    opacity: 0.9;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.cta-card .btn {
    background: white !important;
    color: var(--accent-primary) !important;
    width: 100%;
    position: relative;
    z-index: 1;
}

.cta-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ===== Related Projects ===== */
.related-projects {
    padding: 80px 0;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

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

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

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

.related-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.85), rgba(37, 99, 235, 0.75));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

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

.related-content {
    padding: 20px;
}

.related-category {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    margin-bottom: 10px;
}

[data-theme="dark"] .related-category {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.related-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
}

.related-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Lightbox Modal ===== */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
    backdrop-filter: blur(10px);
}

.lightbox-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 2;
}

.lightbox-close:hover {
    background: white;
    color: var(--accent-primary);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 2;
}

.lightbox-nav:hover {
    background: var(--accent-gradient);
    border-color: transparent;
}

.lightbox-prev { right: 20px; }
.lightbox-next { left: 20px; }

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .detail-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .cta-card {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .portfolio-detail-hero {
        min-height: 60vh;
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .meta-item {
        width: 100%;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .prose-content {
        padding: 20px;
        font-size: 0.95rem;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
    }
    
    .project-navigation {
        grid-template-columns: 1fr;
    }
    
    .nav-item.next {
        justify-content: flex-start;
        text-align: right;
        flex-direction: row-reverse;
    }
    
    .detail-sidebar {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .lightbox-modal {
        padding: 20px;
    }
    
    .lightbox-nav {
        width: 42px;
        height: 42px;
    }
    
    .lightbox-prev { right: 10px; }
    .lightbox-next { left: 10px; }
}

@media (max-width: 480px) {
    .portfolio-breadcrumb {
        font-size: 0.78rem;
    }
    
    .breadcrumb-current {
        max-width: 150px;
    }
    
    .hero-category-badge {
        font-size: 0.75rem;
    }
    
    .gallery-thumb {
        flex: 0 0 70px;
        height: 55px;
    }
    
    .challenge-card {
        padding: 20px;
    }
    
    .nav-title {
        max-width: 150px;
    }
}