/**
 * Case Studies Premium CSS
 * Premium styling for case studies page with portfolio showcase
 */

/* === CSS Variables === */
:root {
    --cs-primary: #f97316;
    --cs-secondary: #fb923c;
    --cs-accent: #fbbf24;
    --cs-gradient-start: #f97316;
    --cs-gradient-end: #fbbf24;

    /* Portfolio company brand colors */
    --mymedi-primary: #0066cc;
    --mymedi-secondary: #00aaff;
    --cerebrochain-primary: #1a1a2e;
    --cerebrochain-secondary: #7c3aed;
    --blogthree-primary: #10b981;
    --blogthree-secondary: #2dd4bf;
}

/* === Hero Section === */
.case-studies-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

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

.case-studies-hero .hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(249, 115, 22, 0.9) 0%,
            rgba(251, 191, 36, 0.8) 50%,
            rgba(217, 119, 6, 0.9) 100%);
}

.case-studies-hero .hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0.5;
}

.case-studies-hero .hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.case-studies-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 9999px;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.case-studies-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .case-studies-hero .hero-title {
        font-size: 4rem;
    }
}

.case-studies-hero .text-gradient {
    background: linear-gradient(135deg, #fff 0%, #fef3c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.case-studies-hero .hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.case-studies-hero .hero-stats-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.case-studies-hero .hero-stat {
    text-align: center;
}

.case-studies-hero .hero-stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.case-studies-hero .hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === Portfolio Section === */
.portfolio-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
}

.portfolio-section .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.portfolio-section .section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--cs-primary), var(--cs-accent));
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.portfolio-section .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.portfolio-section .section-description {
    font-size: 1.125rem;
    color: #9ca3af;
    line-height: 1.7;
}

/* === Portfolio Grid === */
.portfolio-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* === Portfolio Company Card === */
.portfolio-company-card {
    background: rgba(31, 41, 55, 0.8);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-company-card:hover {
    transform: translateY(-8px);
    border-color: var(--cs-primary);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.2);
}

.portfolio-card-header {
    padding: 2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portfolio-card-header.mymedi-gradient {
    background: linear-gradient(135deg, var(--mymedi-primary), var(--mymedi-secondary));
}

.portfolio-card-header.cerebrochain-gradient {
    background: linear-gradient(135deg, var(--cerebrochain-primary), var(--cerebrochain-secondary));
}

.portfolio-card-header.blogthree-gradient {
    background: linear-gradient(135deg, var(--blogthree-primary), var(--blogthree-secondary));
}

.portfolio-card-logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.portfolio-card-logo img {
    max-width: 40px;
    max-height: 40px;
}

.portfolio-type {
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    backdrop-filter: blur(10px);
}

.portfolio-card-body {
    padding: 1.5rem;
}

.portfolio-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.portfolio-card-tagline {
    font-size: 0.875rem;
    color: var(--cs-secondary);
    margin-bottom: 1rem;
}

.portfolio-card-description {
    color: #9ca3af;
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* === Portfolio Stats Grid === */
.portfolio-card-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(17, 24, 39, 0.5);
    border-radius: 0.75rem;
}

.portfolio-stat {
    text-align: center;
}

.portfolio-stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--cs-accent);
}

.portfolio-stat-label {
    font-size: 0.6875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === Tech Tags === */
.portfolio-card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.25rem 0.625rem;
    background: rgba(249, 115, 22, 0.15);
    color: var(--cs-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.375rem;
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.tech-tag-lg {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
}

/* === Portfolio Card Link === */
.portfolio-card-link {
    display: inline-flex;
    align-items: center;
    color: var(--cs-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.portfolio-card-link:hover {
    color: var(--cs-accent);
}

.portfolio-card-link svg {
    transition: transform 0.2s ease;
}

.portfolio-card-link:hover svg {
    transform: translateX(4px);
}

/* === Portfolio CTA === */
.portfolio-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-radius: 1rem;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.portfolio-cta-text {
    font-size: 1.125rem;
    color: #d1d5db;
    margin-bottom: 1.5rem;
}

.portfolio-cta-button {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--cs-primary), var(--cs-accent));
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.portfolio-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
}

/* === Client Case Studies Section === */
.client-case-studies-section {
    padding: 6rem 0;
    background: #111827;
}

.case-studies-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .case-studies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .case-studies-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* === Case Study Card === */
.case-study-card {
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.case-study-card:hover {
    border-color: var(--cs-primary);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.case-study-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-study-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-study-card:hover .case-study-image {
    transform: scale(1.05);
}

.case-study-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1rem;
}

.portfolio-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--cs-primary), var(--cs-accent));
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-category {
    font-size: 0.75rem;
    color: var(--cs-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-content {
    padding: 1.5rem;
}

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

.case-study-logo {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    object-fit: contain;
}

.case-study-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.case-study-company {
    font-size: 0.875rem;
    color: #9ca3af;
}

.case-study-description {
    color: #9ca3af;
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-study-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(75, 85, 99, 0.5);
    border-bottom: 1px solid rgba(75, 85, 99, 0.5);
}

.case-study-stats .stat-item {
    text-align: center;
}

.case-study-stats .stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cs-accent);
}

.case-study-stats .stat-label {
    font-size: 0.6875rem;
    color: #6b7280;
    text-transform: uppercase;
}

.case-study-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.case-study-link {
    display: inline-flex;
    align-items: center;
    color: var(--cs-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.case-study-link:hover {
    color: var(--cs-accent);
}

/* === Results Section === */
.results-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.result-item {
    text-align: center;
    padding: 2rem;
    background: rgba(31, 41, 55, 0.5);
    border-radius: 1rem;
    border: 1px solid rgba(75, 85, 99, 0.3);
    transition: all 0.3s ease;
}

.result-item:hover {
    border-color: var(--cs-primary);
    transform: translateY(-4px);
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cs-accent);
    margin-bottom: 0.5rem;
}

.result-label {
    color: #9ca3af;
    font-size: 0.9375rem;
}

/* === CTA Section === */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--cs-primary) 0%, var(--cs-accent) 100%);
    text-align: center;
}

.cta-section .cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.cta-section .cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-section .cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--cs-primary);
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.cta-section .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* === Filter Tabs (Optional) === */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.5rem 1.25rem;
    background: transparent;
    color: #9ca3af;
    border: 1px solid rgba(75, 85, 99, 0.5);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--cs-primary);
    border-color: var(--cs-primary);
    color: white;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}