/* ============================================
   CODEVUE - Case Study Styles
   ============================================ */

/* Case Study Hero */
.case-hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: calc(var(--nav-height) + 4rem) 4rem 4rem;
    max-width: 1600px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .case-hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: calc(var(--nav-height) + 2rem) 2rem 3rem;
        min-height: auto;
    }
}

.case-hero-content {
    max-width: 600px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: 2rem;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--primary);
}

.back-link svg {
    width: 18px;
    height: 18px;
}

.case-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.case-category {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(250, 93, 41, 0.1);
    border: 1px solid rgba(250, 93, 41, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary);
}

.case-year {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.case-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.case-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.case-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-hero-image {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.case-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(250, 93, 41, 0.1), transparent);
    pointer-events: none;
}

/* Case Study Content */
.case-content {
    padding: 6rem 0;
}

.case-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.case-section {
    margin-bottom: 5rem;
}

.case-section:last-child {
    margin-bottom: 0;
}

.case-section-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
}

.case-section-header .section-number {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    font-family: monospace;
}

.case-section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}

.case-section-content p {
    font-size: 1.0625rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.case-section-content p:last-child {
    margin-bottom: 0;
}

.case-section-content p.lead {
    font-size: 1.25rem;
    color: var(--gray-300);
}

/* Case List */
.case-list {
    list-style: none;
    margin: 1.5rem 0;
}

.case-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--gray-400);
    line-height: 1.7;
}

.case-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* Solution Grid */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 640px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }
}

.solution-card {
    padding: 1.5rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 16px;
    transition: all 0.3s var(--ease-out);
}

.solution-card:hover {
    border-color: var(--gray-700);
    transform: translateY(-4px);
}

.solution-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(250, 93, 41, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.solution-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.solution-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.solution-card p {
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 640px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

.result-card {
    text-align: center;
    padding: 2rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 16px;
}

.result-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.result-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--gray-300);
    transition: all 0.3s var(--ease-out);
}

.tech-tag:hover {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

/* Next Project */
.next-project {
    background: var(--dark-light);
    border-top: 1px solid var(--gray-800);
}

.next-project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 4rem 2rem;
    transition: all 0.3s var(--ease-out);
}

.next-project-link:hover {
    background: var(--gray-900);
}

.next-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
}

.next-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--white);
    transition: color 0.3s;
}

.next-project-link:hover .next-title {
    color: var(--primary);
}

.next-arrow {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: 50%;
    transition: all 0.3s var(--ease-out);
}

.next-project-link:hover .next-arrow {
    background: var(--primary);
    transform: translateX(8px);
}

.next-arrow svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .case-content {
        padding: 4rem 0;
    }

    .case-section {
        margin-bottom: 4rem;
    }

    .case-stats {
        gap: 1.5rem;
    }

    .next-project-link {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animation for case study elements */
.case-section {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.case-section:nth-child(1) { animation-delay: 0.1s; }
.case-section:nth-child(2) { animation-delay: 0.2s; }
.case-section:nth-child(3) { animation-delay: 0.3s; }
.case-section:nth-child(4) { animation-delay: 0.4s; }
.case-section:nth-child(5) { animation-delay: 0.5s; }
.case-section:nth-child(6) { animation-delay: 0.6s; }

.case-hero-content {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--ease-out) 0.1s forwards;
}

.case-hero-image {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--ease-out) 0.3s forwards;
}