/* Revenue Growth Management Case Study Styles */

/* Case Study Hero Section */
.case-study-hero {
    background: #EFF3F8;
    padding: 8rem 0 4rem;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 1.5fr;
    gap: 4rem;
    align-items: center;
    max-width: 1279px;
    margin: 0 auto;
}

.hero-text {
    text-align: left;
}

.case-study-hero .hero-text .hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #2158E8 !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: #2158E8 !important;
    /* Safari text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.case-study-hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Case Study Content */
.case-content {
    max-width: 1279px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    text-align: left;
    /* Safari text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Video Section - Updated for consistent spacing */
.video-section {
    background: var(--secondary-color);
    padding: 6rem 0;
    text-align: center;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 3rem auto;
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    padding: 1rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 0.5rem;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.stat-card:hover {
    -webkit-transform: translateY(-5px) translateZ(0);
    transform: translateY(-5px) translateZ(0);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    /* Safari text rendering */
    -webkit-font-smoothing: antialiased;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
}

/* Problem Statement */
.problem-statement {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 2rem 3rem;
    border-radius: 1.5rem;
    margin: 3rem 0;
    border-left: 5px solid var(--primary-color);
    position: relative;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.challenge-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-heading {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Methodology Grid */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.method-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.method-card:hover {
    -webkit-transform: translateY(-3px) translateZ(0);
    transform: translateY(-3px) translateZ(0);
    border-color: var(--accent-color);
}

.method-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.method-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Findings Grid */
.findings-grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

.finding-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.finding-card:hover {
    -webkit-transform: translateY(-2px) translateZ(0);
    transform: translateY(-2px) translateZ(0);
    box-shadow: var(--shadow-hover);
}

.finding-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}


/* Recommendations */
.recommendation {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
    padding: 1.5rem;
    border-radius: 1rem;
    margin-top: 1rem;
    border-left: 4px solid #1890ff;
}

.recommendation-title {
    font-weight: 700;
    color: #1890ff;
    margin-bottom: 0.5rem;
}

/* Impact Metrics */
.impact-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.impact-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    /* Safari optimization */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.impact-card:hover {
    -webkit-transform: translateY(-5px) scale(1.02) translateZ(0);
    transform: translateY(-5px) scale(1.02) translateZ(0);
}

.impact-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.impact-description {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

.analysis-container {
  display: flex;
  align-items: flex-start;   /* align top edges */
  gap: 2rem;                 /* space between image & text */
  margin-bottom: 2rem;
}

.analysis-container img {
  max-width: 73%;            /* image takes ~half width */
  height: auto;
  /* border-radius: 0.5rem;      optional styling */
}

.analysis-text {
  flex: 1;                   /* text takes remaining space */
}


/* Next Project Section */
.next-project {
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: 1.5rem;
    text-align: center;
    margin-top: 4rem;
}

/* Disclaimer */
.disclaimer {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 50%);
    border: 1px solid #ffeaa7;
    padding: 1.5rem;
    border-radius: 1rem;
    margin: 2rem 0;
    font-size: 0.875rem;
    color: #856404;
    border-left: 4px solid #f39c12;
}

/* Research Questions */
.research-questions {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 1.5rem;
    margin: 2rem 0;
}

.research-questions ol {
    list-style: none;
    counter-reset: question-counter;
}

.research-questions li {
    counter-increment: question-counter;
    margin-bottom: 1rem;
    padding-left: 3rem;
    position: relative;
    font-weight: 600;
    color: var(--text-primary);
}

.research-questions li::before {
    content: counter(question-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-color);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
}

/* Key Learnings */
.key-learnings {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 0 12px rgba(0,0,0,0.15);
    margin: 2rem 0;
}

.learning-section {
    margin-bottom: 2rem;
}

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

.learning-section h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.learning-section ul {
    margin-left: 1rem;
}

.learning-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .case-study-hero {
        padding: 6rem 0 3rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .hero-text {
        text-align: center;
    }

    .case-study-hero h1 {
        font-size: 2.25rem;
    }

    .case-study-hero .subtitle {
        font-size: 1.125rem;
    }
    
    .video-container {
        margin: 2rem auto;
    }

    .case-content {
        padding: 2rem 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .problem-statement {
        padding: 2rem;
    }

    .methodology-grid {
        grid-template-columns: 1fr;
    }

    .impact-metrics {
        grid-template-columns: 1fr;
    }
}

/* Safari-specific mobile optimizations */
@supports (-webkit-touch-callout: none) {
    .case-study-hero {
        min-height: -webkit-fill-available;
    }
    
    .stat-card:hover,
    .method-card:hover,
    .finding-card:hover,
    .impact-card:hover {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .stat-card,
    .method-card,
    .finding-card,
    .impact-card {
        transition: none;
    }
    
    .stat-card:hover,
    .method-card:hover,
    .finding-card:hover,
    .impact-card:hover {
        transform: none;
    }
}