/* ===================================
   DIAMOND DOMAIN CASE STUDY STYLES
   =================================== */

/* Audience Framework Container */
.audience-framework {
    margin: 32px 0;
}

.audience-framework h5 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-navy);
    margin: 0 0 8px 0;
    text-align: center;
}

.framework-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--color-light-navy);
    margin: 0 0 40px 0;
}

/* Audience Funnel Visualization */
.audience-funnel {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 40px auto;
    max-width: 900px;
}

.funnel-stage {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(44, 66, 81, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.funnel-stage:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(44, 66, 81, 0.15);
}

/* Stage Sizing - Funnel Effect */
.stage-cold {
    width: 100%;
    border: 3px solid #4A90E2;
}

.stage-warm {
    width: 85%;
    margin: 0 auto;
    border: 3px solid #F5A623;
}

.stage-hot {
    width: 70%;
    margin: 0 auto;
    border: 3px solid #E74C3C;
}

/* Stage Header */
.funnel-stage-header {
    padding: 20px 28px;
    background: linear-gradient(135deg, rgba(107, 142, 78, 0.05) 0%, rgba(107, 142, 78, 0.02) 100%);
    border-radius: 9px 9px 0 0;
}

.stage-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.cold-badge {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.warm-badge {
    background: linear-gradient(135deg, #F5A623 0%, #E09619 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 166, 35, 0.3);
}

.hot-badge {
    background: linear-gradient(135deg, #E74C3C 0%, #C0392B 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.stage-badge i {
    font-size: 1.3em;
}

/* Stage Content */
.funnel-stage-content {
    padding: 28px;
}

.stage-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--color-beige);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-navy);
}

.metric-item i {
    font-size: 1.3rem;
    color: var(--color-olive);
    flex-shrink: 0;
}

.metric-item strong {
    font-weight: 600;
    margin-right: 4px;
}

/* Stage Audiences */
.stage-audiences {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.audience-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(107, 142, 78, 0.03) 0%, rgba(107, 142, 78, 0.01) 100%);
    border-left: 3px solid var(--color-olive);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--color-navy);
    transition: all 0.2s ease;
}

.audience-item:hover {
    background: linear-gradient(135deg, rgba(107, 142, 78, 0.08) 0%, rgba(107, 142, 78, 0.03) 100%);
    transform: translateX(4px);
}

.audience-item i {
    font-size: 1.1rem;
    color: var(--color-olive);
    flex-shrink: 0;
}

/* Funnel Arrows */
.funnel-arrow {
    text-align: center;
    padding: 16px 0;
}

.funnel-arrow i {
    font-size: 2rem;
    color: var(--color-olive);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Framework Insight Box */
.framework-insight {
    margin-top: 40px;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.08) 0%, rgba(74, 144, 226, 0.03) 100%);
    border-left: 5px solid #4A90E2;
    border-radius: 8px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.insight-icon {
    font-size: 2rem;
    color: #4A90E2;
    flex-shrink: 0;
}

.insight-content {
    flex: 1;
}

.insight-content strong {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 8px;
}

.insight-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-light-navy);
}

/* KPI Dashboard Enhancement */
.kpi-dashboard {
    margin: 48px 0;
}

.kpi-dashboard h5 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-navy);
    text-align: center;
    margin: 0 0 32px 0;
    position: relative;
    padding-bottom: 16px;
}

.kpi-dashboard h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--color-olive), transparent);
    border-radius: 2px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .audience-funnel {
        max-width: 100%;
    }
    
    .stage-cold,
    .stage-warm,
    .stage-hot {
        width: 100%;
    }
    
    .stage-metrics {
        grid-template-columns: 1fr;
    }
    
    .metric-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .framework-insight {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .funnel-stage-header {
        text-align: center;
    }
    
    .stage-badge {
        font-size: 0.95rem;
        padding: 10px 20px;
    }
    
    .audience-framework h5 {
        font-size: 1.5rem;
    }
    
    .kpi-dashboard h5 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .funnel-stage-content {
        padding: 20px;
    }
    
    .stage-badge {
        font-size: 0.85rem;
        padding: 8px 16px;
        gap: 8px;
    }
    
    .stage-badge i {
        font-size: 1.1em;
    }
    
    .funnel-arrow i {
        font-size: 1.5rem;
    }
}

/* Performance Chart Enhancement */
.performance-chart {
    margin: 40px 0;
    padding: 32px;
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(44, 66, 81, 0.1);
}

.performance-chart h5 {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-navy);
    text-align: center;
    margin: 0 0 24px 0;
}