/* Project Page Specific Styles */
body {
    overflow-x: hidden;
}

.project-hero {
    padding: calc(var(--spacing-unit) * 15) 0 calc(var(--spacing-unit) * 8);
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--accent-gold) 5%, transparent),
            color-mix(in oklab, var(--accent-vibrant) 3%, transparent));
}

.project-meta {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: calc(var(--spacing-unit) * 4);
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 1);
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    background: var(--surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-width: 150px;
    width: 100%;
    max-width: 200px;
    height: 100px;
}

.meta-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-md);
}

.meta-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.meta-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 16px;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}

.project-content {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 8) 0;
    width: 100%;
}

.project-section {
    margin-bottom: calc(var(--spacing-unit) * 8);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.project-section:nth-child(2) {
    animation-delay: 0.1s;
}

.project-section:nth-child(3) {
    animation-delay: 0.2s;
}

.project-section:nth-child(4) {
    animation-delay: 0.3s;
}

.project-section h2 {
    font-size: 28px;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.project-section p {
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.project-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: calc(var(--spacing-unit) * 4) 0;
    border: 1px solid var(--border-primary);
    transition: transform var(--transition-base);
}

.project-image:hover {
    transform: scale(1.02);
}

/* Ensure all images are responsive */
.project-content img {
    max-width: 100%;
    height: auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing-unit) * 4);
    transition: all var(--transition-base);
    font-weight: 500;
}

.back-link:hover {
    color: var(--accent-gold);
    transform: translateX(-4px);
}

/* Resource Downloads Section */
.resources-section {
    margin-top: calc(var(--spacing-unit) * 6);
    padding: calc(var(--spacing-unit) * 4);
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--surface) 98%, var(--brand)),
            var(--surface));
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    animation-delay: 0.4s;
}

.resource-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 3);
}

.resource-item {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 2);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.resource-item:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.resource-icon {
    font-size: 24px;
    color: var(--accent-gold);
    transition: transform var(--transition-base);
}

.resource-item:hover .resource-icon {
    transform: scale(1.1);
}

.resource-info {
    flex: 1;
}

.resource-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.resource-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Video Embed Section */
.video-section {
    margin-top: calc(var(--spacing-unit) * 6);
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    animation-delay: 0.5s;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    margin: calc(var(--spacing-unit) * 3) 0;
    background: var(--surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-caption {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: calc(var(--spacing-unit) * 2);
    font-style: italic;
}

/* Research Stats */
.research-stats,
.key-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    margin: calc(var(--spacing-unit) * 4) 0;
}

.stat-card {
    padding: calc(var(--spacing-unit) * 3);
    background: var(--surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Methodology Grid */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    margin: calc(var(--spacing-unit) * 4) 0;
}

.methodology-card {
    padding: calc(var(--spacing-unit) * 3);
    background: var(--surface);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.methodology-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-md);
}

.methodology-card h3 {
    font-size: 18px;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--text-primary);
    font-family: var(--font-display);
}

.methodology-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Lists */
.project-section ul {
    list-style: none;
    padding-left: calc(var(--spacing-unit) * 3);
}

.project-section ul li {
    position: relative;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    color: var(--text-secondary);
}

.project-section ul li::before {
    content: '•';
    position: absolute;
    left: calc(var(--spacing-unit) * -3);
    color: var(--accent-gold);
    font-size: 1.2em;
}

/* Plain list variant */
.plain-list {
    list-style: none;
    padding-left: 0;
}

.plain-list li {
    margin-bottom: calc(var(--spacing-unit) * 2);
    padding-left: 0;
}

.plain-list li::before {
    content: none;
}

/* Tech Stack */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 1);
    margin: calc(var(--spacing-unit) * 2) 0;
}

/* Responsive */
@media (max-width: 968px) {
    .project-hero {
        padding: calc(var(--spacing-unit) * 12) 0 calc(var(--spacing-unit) * 6);
    }

    .research-stats,
    .key-features-grid,
    .methodology-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 768px) {
    .project-hero {
        padding: calc(var(--spacing-unit) * 10) 0 calc(var(--spacing-unit) * 6);
        text-align: left;
    }

    .project-content {
        padding: calc(var(--spacing-unit) * 6) 0;
    }

    .section-title {
        font-size: clamp(24px, 5vw, 32px);
        line-height: 1.3;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }

    .section-description {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: calc(var(--spacing-unit) * 4);
        text-align: left;
    }

    .project-meta {
        gap: calc(var(--spacing-unit) * 2);
        flex-direction: column;
        align-items: flex-start;
    }

    .meta-item {
        width: 100%;
        min-width: 150px;
        max-width: 200px;
        height: 70px;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: calc(var(--spacing-unit) * 2.5);
    }

    .methodology-card,
    .stat-card {
        padding: calc(var(--spacing-unit) * 3);
    }

    .research-stats,
    .key-features-grid,
    .methodology-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }

    .resource-list {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 3);
    }

    .project-section {
        margin-bottom: calc(var(--spacing-unit) * 8);
    }

    .project-section h2 {
        font-size: 24px;
        margin-bottom: calc(var(--spacing-unit) * 3);
        line-height: 1.3;
    }

    .project-section p {
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }

    .project-section ul {
        padding-left: calc(var(--spacing-unit) * 2);
    }

    .project-section ul li {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: calc(var(--spacing-unit) * 2);
    }

    .stat-card {
        min-height: 120px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .stat-value {
        font-size: 26px;
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }

    .stat-label {
        font-size: 13px;
        line-height: 1.5;
    }

    .methodology-card {
        min-height: auto;
    }

    .methodology-card h3 {
        font-size: 18px;
        margin-bottom: calc(var(--spacing-unit) * 2);
        line-height: 1.4;
    }

    .methodology-card p {
        font-size: 14px;
        line-height: 1.7;
    }

    .back-link {
        font-size: 14px;
        padding: calc(var(--spacing-unit) * 1.5) 0;
    }

    .video-section {
        margin-top: calc(var(--spacing-unit) * 8);
    }

    .video-section h2 {
        font-size: 24px;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }

    .resources-section {
        margin-top: calc(var(--spacing-unit) * 8);
        padding: calc(var(--spacing-unit) * 4);
    }

    .resources-section h2 {
        font-size: 24px;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .project-hero {
        padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 5);
        text-align: left;
    }

    .container {
        padding: 0 calc(var(--spacing-unit) * 2.5);
    }

    .section-eyebrow {
        font-size: 11px;
        letter-spacing: 0.12em;
        margin-bottom: calc(var(--spacing-unit) * 2);
    }

    .project-content {
        padding: calc(var(--spacing-unit) * 5) 0;
    }

    .section-title {
        font-size: clamp(22px, 6vw, 28px);
        line-height: 1.3;
        margin-bottom: calc(var(--spacing-unit) * 3);
        word-wrap: break-word;
    }

    .section-description {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: calc(var(--spacing-unit) * 4);
        text-align: left;
    }

    .project-meta {
        gap: calc(var(--spacing-unit) * 1.5);
        flex-direction: column;
    }

    .meta-item {
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2.5);
    }

    .meta-label {
        font-size: 11px;
    }

    .meta-value {
        font-size: 14px;
        font-weight: 600;
    }

    .project-section {
        margin-bottom: calc(var(--spacing-unit) * 7);
    }

    .project-section h2 {
        font-size: 22px;
        margin-bottom: calc(var(--spacing-unit) * 3);
        line-height: 1.3;
    }

    .project-section p {
        font-size: 15px;
        line-height: 1.75;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }

    .project-section ul {
        padding-left: calc(var(--spacing-unit) * 1.5);
    }

    .project-section ul li {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: calc(var(--spacing-unit) * 2.5);
    }

    .research-stats,
    .key-features-grid,
    .methodology-grid {
        gap: calc(var(--spacing-unit) * 2.5);
    }

    .stat-card {
        padding: calc(var(--spacing-unit) * 3);
        min-height: 110px;
    }

    .stat-value {
        font-size: 22px;
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }

    .stat-label {
        font-size: 12px;
        line-height: 1.5;
    }

    .methodology-card {
        padding: calc(var(--spacing-unit) * 3);
    }

    .methodology-card h3 {
        font-size: 17px;
        margin-bottom: calc(var(--spacing-unit) * 2);
        line-height: 1.4;
    }

    .methodology-card p {
        font-size: 14px;
        line-height: 1.7;
    }

    .resource-list {
        gap: calc(var(--spacing-unit) * 2);
    }

    .resource-item {
        padding: calc(var(--spacing-unit) * 2);
    }

    .resource-icon {
        font-size: 22px;
    }

    .resource-title {
        font-size: 14px;
        font-weight: 600;
    }

    .resource-meta {
        font-size: 12px;
    }

    .video-section {
        margin-top: calc(var(--spacing-unit) * 7);
    }

    .video-section h2 {
        font-size: 22px;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }

    .video-caption {
        font-size: 13px;
        line-height: 1.6;
        padding: 0 calc(var(--spacing-unit) * 1);
    }

    .back-link {
        font-size: 14px;
        margin-bottom: calc(var(--spacing-unit) * 3);
        padding: calc(var(--spacing-unit) * 2) 0;
    }

    .resources-section {
        padding: calc(var(--spacing-unit) * 3.5);
        margin-top: calc(var(--spacing-unit) * 7);
    }

    .resources-section h2 {
        font-size: 22px;
        margin-bottom: calc(var(--spacing-unit) * 3);
    }
}

/* --- Extra small-screen polish for project pages --- */

/* Use modern aspect-ratio when available; keep existing 56.25% fallback */
.video-container {
    aspect-ratio: 16 / 9;
    padding-bottom: 0;
    /* only applies if aspect-ratio is supported */
}

/* Make meta rows and lists extra comfy on narrow widths */
@media (max-width: 560px) {
    .meta-item {
        gap: calc(var(--spacing-unit) * 1.5);
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2.5);
    }

    .project-section ul {
        padding-left: calc(var(--spacing-unit) * 1.5);
    }
}

/* Ensure embedded iframes with hardcoded width/height never overflow */
.project-content iframe {
    width: 100% !important;
    height: 100% !important;
}

/* ========== MOBILE-FIRST TWEAKS FOR PROJECT PAGES ========== */

/* Keep project pages at a comfy width */
.project-hero .container,
.project-content.container {
    max-width: 900px;
    margin: 0 auto;
    padding-left: calc(var(--spacing-unit) * 3);
    padding-right: calc(var(--spacing-unit) * 3);
}

/* Smaller titles on very small phones so they don't wrap weirdly */
.section-title {
    font-size: clamp(22px, 6vw, 40px);
    line-height: 1.2;
}

/* Meta badges → responsive grid with proper centering */
.project-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(150px, 200px));
    gap: calc(var(--spacing-unit) * 2);
    justify-content: center;
    align-items: start;
}

/* Center single item - using :has() for modern browsers */
.project-meta:has(.meta-item:only-child) {
    grid-template-columns: 1fr;
    justify-items: center;
}

/* Center two items - using :has() for modern browsers */
.project-meta:has(.meta-item:nth-child(2):last-child) {
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    max-width: 400px;
    margin: 0 auto;
    margin-top: 30px;
}

/* Fallback for browsers that don't support :has() - use flexbox for better compatibility */
@supports not selector(:has(*)) {
    .project-meta {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: calc(var(--spacing-unit) * 2);

    }

    .meta-item {
        flex: 0 0 auto;
        min-width: 150px;
        max-width: 200px;
        height: 100px;
    }
}

/* iPad Mini and similar tablet sizes */
@media (max-width: 840px) and (min-width: 769px) {
    .project-meta {
        grid-template-columns: repeat(3, 1fr);
        gap: calc(var(--spacing-unit) * 2);
        max-width: 600px;
        margin: 0 auto;
    }

    .project-meta:has(.meta-item:only-child) {
        grid-template-columns: 1fr;
        max-width: 200px;
    }

    .project-meta:has(.meta-item:nth-child(2):last-child) {
        grid-template-columns: repeat(2, 1fr);
        max-width: 400px;
    }

    .meta-item {
        height: 85px;
        min-width: 130px;
        max-width: 190px;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 1.5);
        margin: 0 auto;
    }

    .meta-label {
        font-size: 11px;
    }

    .meta-value {
        font-size: 12px;
        line-height: 1.2;
        white-space: nowrap;
    }
}

@media (max-width: 768px) {
    .project-meta {
        grid-template-columns: repeat(2, minmax(150px, 200px));
    }

    .project-meta:has(.meta-item:only-child) {
        grid-template-columns: minmax(150px, 200px);
    }

    .project-meta:has(.meta-item:nth-child(2):last-child) {
        grid-template-columns: repeat(2, minmax(150px, 200px));
        max-width: 400px;
    }

    /* Fallback for browsers without :has() support */
    @supports not selector(:has(*)) {
        .project-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
    }
}

@media (max-width: 520px) {
    .project-meta {
        grid-template-columns: 1fr;
    }

    .project-meta:has(.meta-item:only-child),
    .project-meta:has(.meta-item:nth-child(2):last-child) {
        grid-template-columns: 1fr;
    }

    .meta-item {
        min-width: auto;
        max-width: none;
        min-height: auto;
    }

    /* Fallback for browsers without :has() support */
    @supports not selector(:has(*)) {
        .project-meta {
            display: flex;
            justify-content: center;
            flex-direction: column;
            align-items: center;
        }
    }
}

/* Feature/Methodology/Stats grids → always fit columns nicely */
.key-features-grid,
.methodology-grid,
.research-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: calc(var(--spacing-unit) * 2.5);
}

/* Section spacing tighter on phones */
@media (max-width: 520px) {
    .project-section {
        padding-top: calc(var(--spacing-unit) * 4);
        padding-bottom: calc(var(--spacing-unit) * 4);
    }
}

/* Prevent long lines from feeling cramped */
.project-section p {
    max-width: 70ch;
    /* readable line length */
}

/* Video embeds: force full width & stable height */
.video-container {
    position: relative;
    aspect-ratio: 16 / 9;
    width: 100%;
}

.video-container iframe {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    border: 0;
}

/* Resource list wraps nicely on small screens */
.resource-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
}

/* Extra breathing room on ultra-small screens */
@media (max-width: 360px) {
    .project-hero {
        padding-top: calc(var(--spacing-unit) * 7);
        padding-bottom: calc(var(--spacing-unit) * 6);
    }

    .section-title {
        font-size: clamp(20px, 7vw, 28px);
    }
}