/* ========================================
   PROJECT PAGE STYLES
   Styles additionnels pour les pages de projet
   ======================================== */

/* ========================================
   PROJECT HEADER
   ======================================== */

.project-header {
    padding: 12rem 5% 6rem;
    position: relative;
    z-index: 2;
    text-align: center;
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary);
    transform: translateX(-5px);
}

.project-tags-header {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.project-header h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.project-subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.project-meta {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.meta-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
}

.meta-value {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   GALLERY SECTION
   ======================================== */

.gallery-section {
    padding: 4rem 5%;
}

.main-gallery {
    max-width: 1200px;
    margin: 0 auto;
}

.main-image {
    width: 75%;
    height: auto;
    min-height: 400px;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: opacity 0.3s ease;
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.thumbnail {
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.thumbnail:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.thumbnail.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ========================================
   OVERVIEW SECTION
   ======================================== */

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.overview-text h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.overview-text h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.overview-text p {
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.objectives-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.objectives-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dim);
}

.objectives-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.highlights-cards {
    display: grid;
    gap: 1.5rem;
}

.highlight-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.highlight-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.highlight-card h4 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.highlight-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   SPECIFICATIONS SECTION
   ======================================== */

.section-subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-top: 1rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* System Configuration Row */
.system-config-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .system-config-row {
        grid-template-columns: 1fr;
    }
}

.spec-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.spec-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.spec-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.spec-icon {
    font-size: 2rem;
}

.spec-header h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.spec-main {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spec-details {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.spec-details li {
    color: var(--text-dim);
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.spec-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ========================================
   PERFORMANCE SECTION
   ======================================== */

.performance-grid {
    display: grid;
    gap: 2rem;
}

.perf-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.perf-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

/* Bar Charts */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.bar-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bar-label {
    font-weight: 600;
    color: var(--text);
}

.bar-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 40px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    transition: width 1s ease-out;
    border-radius: 8px;
}

.bar-value {
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
}

/* Benchmark Scores */
.benchmark-scores {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.score-label {
    font-weight: 600;
    color: var(--text);
}

.score-value {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-bar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 8px;
    transition: width 1s ease-out;
}

/* Temperature Charts */
.temp-chart {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.temp-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.temp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.temp-component {
    font-weight: 600;
    color: var(--text);
}

.temp-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.temp-status.excellent {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.temp-status.good {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.temp-bar-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.temp-bar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 40px;
    overflow: hidden;
    position: relative;
}

.temp-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    transition: width 1s ease-out;
    border-radius: 8px;
}

.temp-fill.excellent {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.temp-fill.good {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.temp-value {
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
}

.temp-max {
    font-size: 0.85rem;
    color: var(--text-dim);
    align-self: flex-end;
}

/* Power Stats */
.power-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.power-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.power-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.power-icon {
    font-size: 2.5rem;
}

.power-info {
    text-align: center;
}

.power-label {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.power-value {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   TIMELINE SECTION
   ======================================== */

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--accent));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: white;
    border: 4px solid var(--bg-dark);
    z-index: 2;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    border-color: var(--primary);
    transform: translateX(10px);
}

.timeline-content h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.timeline-content p {
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.timeline-duration {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

/* ========================================
   LESSONS SECTION
   ======================================== */

.lessons-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
}

.lessons-text h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.lessons-text h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.points-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.points-list li {
    padding-left: 2rem;
    position: relative;
    color: var(--text-dim);
    line-height: 1.6;
}

.points-list.positive li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
    font-size: 1.25rem;
}

.points-list.challenges li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

.points-list.improvements li::before {
    content: '💡';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

/* Cost Breakdown */
.cost-breakdown {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    height: fit-content;
}

.cost-breakdown h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.cost-chart {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.cost-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cost-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cost-name {
    font-weight: 600;
    color: var(--text);
}

.cost-amount {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    color: var(--primary);
}

.cost-bar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
}

.cost-fill {
    height: 100%;
    border-radius: 8px;
    transition: width 1s ease-out;
}

.cost-percent {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.cost-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
    font-size: 1.1rem;
    font-weight: 600;
}

.total-amount {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   RELATED PROJECTS
   ======================================== */

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
}

.related-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

.related-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.related-card:hover .related-image img {
    transform: scale(1.1);
}

.related-info {
    padding: 1.5rem;
}

.related-info h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.related-info p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.cta-center {
    text-align: center;
}

/* ========================================
   FREEBOX COOLING PROJECT - ADDITIONAL STYLES
   Styles additionnels pour la page refroidissement
   ======================================== */

/* Temperature Comparison */
.temp-comparison {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
}

.temp-before,
.temp-after {
    text-align: center;
    flex: 1;
}

.temp-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.temp-value {
    font-family: 'Syne', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.temp-before .temp-value {
    color: #ef4444;
}

.temp-after .temp-value {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.temp-label {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.temp-arrow {
    font-size: 3rem;
    color: var(--primary);
    flex-shrink: 0;
}

.temp-gain {
    text-align: center;
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 12px;
    margin-top: 2rem;
}

.temp-gain strong {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    color: var(--primary);
}

/* Network Stats */
.network-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.network-stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.network-stat-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.network-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.network-value {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.network-label {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.network-note {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--primary);
    border-radius: 8px;
}

.network-note p {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.network-note strong {
    color: var(--text);
}

/* Stability Chart */
.stability-chart {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.stability-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stability-label {
    font-weight: 600;
    color: var(--text);
}

.stability-bar {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    height: 50px;
    overflow: hidden;
    position: relative;
}

.stability-fill {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1rem;
    transition: width 1s ease-out;
    border-radius: 8px;
}

.stability-fill.bad {
    background: linear-gradient(90deg, #ef4444, #dc2626);
}

.stability-fill.good {
    background: linear-gradient(90deg, #10b981, #059669);
}

.stability-value {
    font-weight: 700;
    color: white;
    font-size: 1rem;
}

.stability-issues {
    font-size: 0.9rem;
    color: #ef4444;
}

.stability-issues.good {
    color: #10b981;
}

/* Cost Breakdown Simple */
.cost-breakdown-simple {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.cost-item-simple {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cost-item-simple:hover {
    border-color: var(--primary);
}

.cost-component {
    font-weight: 500;
    color: var(--text);
}

.cost-price {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.cost-total-simple {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--primary);
    border-radius: 12px;
    margin-top: 1rem;
}

.cost-total-simple span:first-child {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
}

.total-value {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cost-comparison {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid #10b981;
    border-radius: 8px;
}

.cost-comparison p {
    color: var(--text-dim);
    margin: 0;
}

/* Prototype Grid */
.prototype-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
}

.prototype-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.prototype-card:hover {
    border-color: var(--primary);
}

.prototype-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.prototype-header h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
}

.prototype-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.prototype-status.completed {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid #10b981;
}

.prototype-status.progress {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.prototype-content h4 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.prototype-content h4:first-child {
    margin-top: 0;
}

.prototype-content p {
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.prototype-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.prototype-list li {
    padding-left: 2rem;
    position: relative;
    color: var(--text-dim);
    line-height: 1.6;
}

.prototype-list.positive li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
    font-size: 1.25rem;
}

.prototype-list.issues li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

.prototype-list.improvements li::before {
    content: '🔄';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

/* Technical Specs Card */
.technical-specs {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    height: fit-content;
}

.technical-specs h2 {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.technical-specs h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.technical-specs h3:first-of-type {
    margin-top: 0;
}

.spec-detail {
    padding: 1rem;
    margin-bottom: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--primary);
    border-radius: 4px;
}

.spec-detail strong {
    color: var(--text);
    display: block;
    margin-bottom: 0.25rem;
}

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

@media (max-width: 968px) {
    .overview-grid,
    .lessons-grid {
        grid-template-columns: 1fr;
    }

    .project-meta {
        gap: 2rem;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .main-image {
        height: 400px;
    }

    .thumbnail-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline {
        padding-left: 2rem;
    }

    .timeline-marker {
        left: -2rem;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .power-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .project-header {
        padding: 10rem 5% 4rem;
    }

    .project-header h1 {
        font-size: 2.5rem;
    }

    .project-meta {
        flex-direction: column;
        gap: 1.5rem;
    }

    .main-image {
        height: 300px;
    }

    .thumbnail-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .thumbnail {
        height: 100px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .power-stats {
        grid-template-columns: 1fr;
    }

    .temp-comparison {
        flex-direction: column;
        gap: 2rem;
    }

    .temp-arrow {
        transform: rotate(90deg);
    }

    .network-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .prototype-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .temp-value {
        font-size: 2rem;
    }

    .network-value {
        font-size: 1.25rem;
    }

    .stability-bar {
        height: 40px;
    }
}