/* ============================================================ 
   CASEBOOK CINEMATIC LIGHT v3.0
   Design: Luminous Surface x Indigo Impact Matrix
   Rules: H1 48px/600, H2 36px/600
   ============================================================ */

:root {
    --cin-bg: #FFFFFF;
    --cin-surface: #F9FAFB;
    --cin-card-bg: #FFFFFF;
    --cin-accent: #6366F1;
    --cin-accent-soft: rgba(99, 102, 241, 0.05);
    --cin-text: #0F172A;
    --cin-text-muted: #64748B;
    --cin-border: rgba(0, 0, 0, 0.06);
    --cin-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --cin-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.cases-cinematic-body {
    background: var(--cin-bg);
    color: var(--cin-text);
    overflow-x: hidden;
    font-family: 'Inter', system-ui, sans-serif;
}

/* --- CINEMATIC HERO --- */
.cin-hero {
    position: relative;
    padding: calc(var(--header-height) + 100px) 0 140px;
    background: radial-gradient(circle at 50% 100%, var(--cin-accent-soft) 0%, transparent 70%);
    overflow: hidden;
    border-bottom: 1px solid var(--cin-border);
}

.cin-hero__mesh {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(15, 17, 26, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 17, 26, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(circle at center, black, transparent 90%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 90%);
    pointer-events: none;
    z-index: 1;
}

.cin-hero__content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cin-hero__title {
    font-size: 3rem !important; /* Fixed 48px */
    font-weight: 600 !important; /* Fixed 600 */
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
    color: var(--cin-text);
}

.cin-hero__desc {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--cin-text-muted);
    max-width: 700px;
    margin: 0 auto 48px;
}

/* --- DASHBOARD STATS --- */
.section-stats-cin {
    position: relative;
    z-index: 20;
    margin-top: -50px;
    padding-bottom: 80px;
}

.stats-grid-cin {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--cin-border);
    border: 1px solid var(--cin-border);
    border-radius: 20px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: var(--cin-shadow-lg);
}

.stat-item-cin {
    padding: 32px;
    background: #FFFFFF;
    text-align: center;
    transition: background 0.3s ease;
}

.stat-val-cin {
    display: block;
    font-size: 2.25rem !important; /* 36px */
    font-weight: 600;
    color: var(--cin-accent);
    margin-bottom: 4px;
}

.stat-label-cin {
    font-size: 0.75rem;
    color: var(--cin-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* --- BENTO CASE MATRIX --- */
.section-cases-cin {
    padding: 100px 0;
    background: var(--cin-surface);
}

.case-title-cin {
    font-size: 2.25rem !important; /* Fixed 36px for H2 */
    font-weight: 600 !important;
    line-height: 1.2;
    margin-bottom: 32px;
    color: var(--cin-text);
}

.case-card-title-cin {
    font-size: 1.5rem !important; /* Reduced to 24px for H3 */
    font-weight: 500 !important; /* Reduced to Medium */
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--cin-text);
}

.cases-bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
}

.case-cin-card {
    grid-column: span 6;
    background: var(--cin-card-bg);
    border: 1px solid var(--cin-border);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: var(--cin-shadow);
}

.case-cin-card:nth-child(2) {
    grid-column: span 6;
}

.case-cin-card:hover {
    border-color: var(--cin-accent);
    transform: translateY(-8px);
    box-shadow: 0 30px 60px -12px rgba(50, 50, 93, 0.15), 0 18px 36px -18px rgba(0, 0, 0, 0.2);
}

.case-desc-cin {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--cin-text-muted);
    margin-bottom: 32px;
}

.case-metrics-cin {
    margin-top: auto;
    display: flex;
    gap: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--cin-border);
}

.m-pair-cin .m-val {
    display: block;
    font-size: 1.5rem;
    font-weight: 600; /* Authority weight */
    color: var(--cin-text);
}

.m-pair-cin .m-label {
    font-size: 0.6875rem;
    color: var(--cin-text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.case-link-cin {
    position: absolute;
    bottom: 40px;
    right: 40px;
    width: 48px;
    height: 48px;
    background: var(--cin-accent-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cin-accent);
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.case-link-cin:hover {
    background: var(--cin-accent);
    color: #FFFFFF;
    transform: scale(1.1) rotate(-45deg);
}

/* --- QUANTUM CTA --- */
.section-cta-cin {
    padding: 120px 0;
    background: #FFFFFF;
}

.quantum-cta {
    background: var(--cin-surface);
    border: 1px solid var(--cin-border);
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    position: relative;
}

.quantum-cta .case-title-cin {
    margin-bottom: 16px;
}

.quantum-cta__desc {
    font-size: 1.125rem;
    color: var(--cin-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.btn-quantum {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: var(--cin-accent);
    color: #FFFFFF;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1.0625rem;
    text-decoration: none;
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

.btn-quantum:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
    background: #4F46E5;
}

/* Base Utility */
.animate-ready {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-ready.in-view {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .stats-grid-cin { grid-template-columns: repeat(2, 1fr); }
    .case-cin-card { grid-column: span 12 !important; padding: 32px; }
    .cin-hero__title { font-size: 2.25rem !important; }
    .case-title-cin { font-size: 1.75rem !important; }
}