/* ========================================
   Case Detail Page Styles
   ======================================== */

/* Case Hero */
.case-hero {
    position: relative;
    padding: 180px 0 100px;
    overflow: hidden;
    background: var(--canvas);
}
.case-hero-glow {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 60% at 70% 40%, rgba(20,90,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.case-hero .container { position: relative; z-index: 1; }

.case-hero-content {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 60px;
    align-items: center;
}
.case-hero-left .section-tag { display: inline-block; margin-bottom: 16px; }
.case-hero-left h1 {
    font-size: clamp(32px, 4.5vw, 48px);
    line-height: 1.1;
    letter-spacing: -0.76px;
    margin-bottom: 20px;
}
.case-hero-left > p {
    font-size: 17px;
    color: var(--fog);
    line-height: 1.5;
    margin-bottom: 36px;
}

.case-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.case-hero-stats > div {
    background: var(--white);
    border-radius: var(--r-card);
    padding: 16px 12px;
    text-align: center;
    box-shadow: var(--shadow-card);
}
.case-hero-stats strong {
    display: block;
    font-size: 20px;
    color: var(--action);
    font-weight: 600;
    margin-bottom: 2px;
}
.case-hero-stats span {
    font-size: 11px;
    color: var(--steel);
    font-weight: 500;
}

.case-hero-visual {
    width: 100%;
    aspect-ratio: 1;
    max-width: 320px;
    margin: 0 auto;
    border-radius: var(--r-big);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-block);
    position: relative; overflow: hidden;
}
.case-hero-visual::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.case-hero-visual i {
    font-size: 90px;
    color: rgba(255,255,255,0.9);
    position: relative; z-index: 1;
}

/* CSR Section */
.case-csr { padding: 80px 0; }
.csr-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.csr-block {
    background: var(--white);
    border-radius: var(--r-big);
    padding: 36px 28px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}
.csr-block:hover { box-shadow: var(--shadow-block); transform: translateY(-4px); }
.csr-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}
.csr-block:nth-child(1) .csr-icon { background: rgba(242,96,82,0.1); color: var(--coral); }
.csr-block:nth-child(2) .csr-icon { background: rgba(20,90,255,0.1); color: var(--signal); }
.csr-block:nth-child(3) .csr-icon { background: rgba(22,202,46,0.1); color: var(--emerald); }
.csr-block h3 { font-size: 18px; margin-bottom: 10px; }
.csr-block p { font-size: 14px; color: var(--fog); line-height: 1.5; }

/* Case Body */
.case-detail-body { padding: 80px 0; }
.case-body-content {
    max-width: 760px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.7;
    color: var(--slate);
}
.case-body-content p { margin-bottom: 20px; }
.case-body-content h2 {
    font-size: 24px;
    letter-spacing: -0.3px;
    margin: 36px 0 16px;
    color: var(--midnight);
}
.case-body-content ul {
    margin: 16px 0 24px 20px;
    list-style: disc;
}
.case-body-content li {
    margin-bottom: 10px;
    color: var(--slate);
}

/* Metrics */
.case-metrics { padding: 80px 0; }
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.metric-card {
    background: var(--white);
    border-radius: var(--r-card);
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}
.metric-card:hover { box-shadow: var(--shadow-block); transform: translateY(-3px); }
.metric-value {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--action);
    margin-bottom: 4px;
    font-family: var(--font-mono);
}
.metric-label {
    font-size: 11px;
    color: var(--steel);
    font-weight: 500;
}

/* Testimonial */
.case-testimonial { padding: 80px 0; }
.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    padding: 48px;
}
.testimonial-icon {
    font-size: 32px;
    color: var(--signal);
    opacity: 0.3;
    margin-bottom: 20px;
}
.testimonial-card blockquote {
    font-size: 22px;
    line-height: 1.4;
    color: var(--graphite);
    font-style: italic;
    margin-bottom: 28px;
}
.testimonial-author {
    display: flex; align-items: center; justify-content: center; gap: 12px;
}
.testimonial-author .author-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--tint); display: flex; align-items: center; justify-content: center;
    color: var(--signal); font-size: 18px;
}
.testimonial-author .author-name { display: block; font-size: 14px; font-weight: 500; color: var(--graphite); }
.testimonial-author .author-role { display: block; font-size: 12px; color: var(--steel); }

/* Related Cases */
.related-cases { padding: 80px 0; }
.related-cases .section-header { text-align: center; margin-bottom: 48px; }
.related-cases .cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Featured Case (cases.html) */
.featured-case { padding: 40px 0 80px; }
.featured-case-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--white);
    border-radius: var(--r-big);
    padding: 48px;
    box-shadow: var(--shadow-block);
    transition: all 0.3s ease;
}
.featured-case-card:hover { transform: translateY(-4px); box-shadow: rgba(0,0,0,0.12) 0px 12px 40px -12px; }
.featured-case-tag {
    display: inline-block;
    font-size: 12px; font-weight: 500;
    color: var(--signal);
    background: rgba(20,90,255,0.08);
    padding: 4px 14px; border-radius: var(--r-pill);
    margin-bottom: 16px;
}
.featured-case-content h2 {
    font-size: 28px;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
    line-height: 1.2;
}
.featured-case-content > p {
    font-size: 15px;
    color: var(--fog);
    line-height: 1.5;
    margin-bottom: 28px;
}
.featured-case-stats {
    display: flex; gap: 32px; margin-bottom: 24px;
}
.featured-case-stats div { text-align: center; }
.featured-case-stats strong {
    display: block;
    font-size: 24px;
    color: var(--action);
    font-weight: 600;
}
.featured-case-stats span {
    font-size: 12px;
    color: var(--steel);
}
.featured-case-visual {
    aspect-ratio: 1;
    border-radius: var(--r-big);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-card);
}
.featured-case-visual i {
    font-size: 80px;
    color: rgba(255,255,255,0.9);
}

/* Cases Full Grid */
.cases-full { padding: 80px 0; }
.cases-full-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-full-card {
    background: var(--white);
    border-radius: var(--r-big);
    padding: 36px 28px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    display: block;
}
.case-full-card:hover { box-shadow: var(--shadow-block); transform: translateY(-4px); }
.case-full-header {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 20px;
}
.case-full-logo {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: rgba(255,255,255,0.9);
}
.case-full-tag {
    font-size: 11px; font-weight: 500;
    color: var(--signal);
    background: rgba(20,90,255,0.08);
    padding: 3px 10px; border-radius: var(--r-badge);
}
.case-full-card h3 { font-size: 18px; margin-bottom: 10px; line-height: 1.3; }
.case-full-card > p { font-size: 14px; color: var(--fog); line-height: 1.5; margin-bottom: 20px; }
.case-full-stats {
    display: flex; gap: 16px; flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid rgba(0,0,0,0.04);
}
.case-full-stats span {
    font-size: 12px;
    color: var(--slate);
    display: flex; align-items: baseline; gap: 4px;
}
.case-full-stats strong {
    font-size: 14px;
    color: var(--action);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .case-hero-content { grid-template-columns: 1fr; gap: 40px; }
    .case-hero-stats { grid-template-columns: repeat(4, 1fr); }
    .csr-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: repeat(3, 1fr); }
    .featured-case-card { grid-template-columns: 1fr; }
    .cases-full-grid { grid-template-columns: repeat(2, 1fr); }
    .related-cases .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .case-hero-stats { grid-template-columns: repeat(2, 1fr); }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-full-grid { grid-template-columns: 1fr; }
    .related-cases .cases-grid { grid-template-columns: 1fr; }
    .featured-case-stats { flex-wrap: wrap; gap: 16px; }
    .case-full-header { flex-wrap: wrap; }
    .testimonial-card { padding: 24px; }
    .testimonial-card blockquote { font-size: 18px; }
}