/* ==================================================
   work.css — Premium Portfolio & Case Study System
   Linear / Stripe Style Aesthetic
   ================================================== */

:root {
    --cs-accent: #3b82f6;
    --cs-accent-rgb: 59, 130, 246;
    --cs-accent-secondary: #8b5cf6;
    --cs-accent-secondary-rgb: 139, 92, 246;
    --cs-bg-glow: rgba(var(--cs-accent-rgb), 0.15);
    --cs-card-bg: rgba(255, 255, 255, 0.03);
    --cs-card-bd: rgba(255, 255, 255, 0.08);
    --cs-text-dim: #94a3b8;
    --cs-transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

body.light-theme {
    --cs-accent: #2563eb;
    --cs-bg-glow: rgba(37, 99, 235, 0.05);
    --cs-card-bg: rgba(0, 0, 0, 0.02);
    --cs-card-bd: rgba(0, 0, 0, 0.08);
    --cs-text-dim: #64748b;
}

/* ==================================================
   HOMEPAGE GRID (Enhanced)
   ================================================== */
.work {
    padding-block: clamp(80px, 12vh, 120px);
    position: relative;
    background: var(--bg-dark);
}

body.light-theme .work {
    background: var(--bg-light);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
    max-width: 860px;
    margin-inline: auto;
}

/* single card — don't let it stretch full width */
.work-grid:has(> :only-child) {
    grid-template-columns: minmax(320px, 520px);
}

.work-card {
    text-decoration: none;
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    border-radius: 32px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: var(--cs-transition);
    position: relative;
}

.work-card:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: var(--cs-accent);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.4);
}

body.light-theme .work-card:hover {
    box-shadow: 0 40px 80px -20px rgba(var(--cs-accent-rgb), 0.15);
    background: #fff;
}

.work-card-image {
    height: 280px;
    overflow: hidden;
    position: relative;
    background: #000;
}

.work-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--cs-transition);
    opacity: 0.8;
}

.work-card:hover .work-card-image img {
    transform: scale(1.05);
    opacity: 1;
}

.work-card:hover .work-card-image img {
    transform: scale(1.05);
    opacity: 1;
}

.work-card-banner {
    position: absolute;
    top: 0;
    left: 0;
    transform: none;
    width: 100%;
    z-index: 2;
    text-align: center;
    pointer-events: none;
}

.work-card-banner span {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--cs-accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-shadow: 0 0 20px rgba(var(--cs-accent-rgb), 0.4);
    background: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    width: auto;
    display: inline-block;
    backdrop-filter: blur(8px);
    border-bottom-right-radius: 16px;
}

.work-card-banner.secondary span {
    color: var(--cs-accent-secondary);
    text-shadow: 0 0 20px rgba(var(--cs-accent-secondary-rgb), 0.4);
}

.work-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 60%);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.category-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cs-accent);
    margin-bottom: 8px;
}

.work-card-content {
    padding: 32px;
}

.project-title {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.1;
    color: #fff;
}

body.light-theme .project-title {
    color: var(--txt-light);
}

.project-desc {
    color: var(--cs-text-dim);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tech-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 6px 14px;
    background: rgba(var(--cs-accent-rgb), 0.08);
    color: var(--cs-accent);
    border: 1px solid rgba(var(--cs-accent-rgb), 0.15);
    border-radius: 100px;
    transition: var(--cs-transition);
}

.tag:hover {
    background: rgba(var(--cs-accent-rgb), 0.15);
    border-color: rgba(var(--cs-accent-rgb), 0.3);
}

/* Footer & CTA */
.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--cs-card-bd);
    gap: 20px;
}

.view-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cs-accent);
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--cs-transition);
    white-space: nowrap;
}

.view-project i {
    transition: transform 0.3s ease;
}

.work-card:hover .view-project {
    color: var(--cs-accent-secondary);
}

.work-card:hover .view-project i {
    transform: translateX(5px);
}

/* ==================================================
   CASE STUDY DETAIL (PREMIUM)
   ================================================== */

.case-study-page {
    background: var(--bg-dark);
}

body.light-theme .case-study-page {
    background: var(--bg-light);
}

/* --- Hero v2 --- */
.cs-hero-v2 {
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cs-hero-v2::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 1400px;
    height: 600px;
    background: radial-gradient(circle, var(--cs-bg-glow), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.back-link-v2 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cs-text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    border-radius: 100px;
    transition: var(--cs-transition);
    margin-bottom: 40px;
}

.back-link-v2:hover {
    color: var(--cs-accent);
    border-color: var(--cs-accent);
    transform: translateY(-2px);
}

.cs-title-v2 {
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #fff, var(--cs-text-dim));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.light-theme .cs-title-v2 {
    background: linear-gradient(to bottom, var(--txt-light), var(--cs-text-dim));
    -webkit-background-clip: text;
    background-clip: text;
}

.cs-description-v2 {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--cs-text-dim);
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.5;
}

/* --- Stats Board --- */
.stats-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 120px;
}

.stat-item {
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    padding: 60px 40px;
    border-radius: 40px;
    text-align: center;
    backdrop-filter: blur(20px);
    transition: var(--cs-transition);
}

.stat-item:hover {
    border-color: var(--cs-accent);
    background: rgba(var(--cs-accent-rgb), 0.05);
    transform: translateY(-5px);
}

.stat-num {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    color: var(--cs-accent);
    line-height: 1;
    margin-bottom: 12px;
}

body.light-theme .stat-item {
    background: #fff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    font-weight: 700;
    color: var(--cs-text-dim);
}

/* --- Narrative Matrix --- */
.narrative-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 120px;
}

.narrative-card {
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    padding: 60px;
    border-radius: 48px;
    transition: var(--cs-transition);
}

.narrative-card:hover {
    border-color: rgba(var(--cs-accent-rgb), 0.3);
}

body.light-theme .narrative-card {
    background: #fff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.accent-icon {
    width: 64px;
    height: 64px;
    background: rgba(var(--cs-accent-rgb), 0.1);
    color: var(--cs-accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 32px;
}

.narrative-card h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: #fff;
}

body.light-theme .narrative-card h2 {
    color: var(--txt-light);
}

.narrative-card p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--cs-text-dim);
}

/* --- Bento Bento --- */
.bento-matrix {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 450px);
    gap: 24px;
    margin-bottom: 120px;
}

.bento-cell {
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    border-radius: 48px;
    overflow: hidden;
    transition: var(--cs-transition);
}

body.light-theme .bento-cell {
    background: #fff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.bento-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--cs-transition);
}

.bento-cell:hover img {
    transform: scale(1.05);
}

.cell-1 {
    grid-column: span 7;
    grid-row: span 1;
}

.cell-2 {
    grid-column: span 5;
    grid-row: span 2;
}

.cell-3 {
    grid-column: span 4;
    grid-row: span 1;
}

.cell-4 {
    grid-column: span 3;
    grid-row: span 1;
}

/* --- Architecture --- */
.schematic-section {
    padding: 100px 80px;
    background: var(--cs-card-bg);
    border: 1px solid var(--cs-card-bd);
    border-radius: 64px;
    margin-bottom: 120px;
    text-align: center;
}

body.light-theme .schematic-section {
    background: #fff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.schematic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    margin-top: 80px;
}

.schematic-item i {
    font-size: 3rem;
    color: var(--cs-accent);
    margin-bottom: 24px;
    display: block;
}

.schematic-item h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

body.light-theme .schematic-item h4 {
    color: var(--txt-light);
}

.schematic-item span {
    font-size: 0.95rem;
    color: var(--cs-text-dim);
}

/* --- CTA --- */
.footer-cta {
    background: linear-gradient(135deg, var(--cs-accent), var(--cs-accent-secondary));
    padding: 120px 60px;
    border-radius: 64px;
    text-align: center;
    color: #fff;
    margin-bottom: 120px;
    position: relative;
    overflow: hidden;
}

.footer-cta h2 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.04em;
    line-height: 1;
}

.footer-cta p {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: 48px;
}

.btn-white {
    background: #fff;
    color: #000;
    padding: 24px 60px;
    border-radius: 100px;
    font-weight: 800;
    text-decoration: none;
    font-size: 1.25rem;
    transition: var(--cs-transition);
    display: inline-block;
}

.btn-white:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
}

/* ==================================================
   RESPONSIVE
   ================================================== */
@media (max-width: 1024px) {
    .bento-matrix {
        grid-template-rows: repeat(4, 300px);
    }

    .cell-1,
    .cell-2,
    .cell-3,
    .cell-4 {
        grid-column: span 12;
    }

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

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

    .case-study-detail {
        padding: 0 24px;
    }

    .stat-num {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .stats-board {
        grid-template-columns: 1fr;
    }

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

    .cs-title-v2 {
        font-size: 3.5rem;
    }

    .footer-cta {
        padding: 80px 32px;
    }
}