/* ===== ABOUT NSB OVERVIEW TAB STYLES ===== */
/* File: css/sections/about-nsb/overview-tab.css */
/* Purpose: Specific styles for the Overview tab */
/* Dependencies: CSS variables from about-nsb.css */
/* Last Updated: [CURRENT_DATE] */

/* ===== WHY NSB CARDS GRID ===== */
.about-nsb-overview-cards-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ===== WHY NSB CARD STYLES ===== */
.about-nsb-overview-card {
    background-color: var(--nsb-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--nsb-light);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
}

.about-nsb-overview-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: var(--nsb-accent);
}

/* Card Image */
.about-nsb-overview-card-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.about-nsb-overview-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.about-nsb-overview-card:hover .about-nsb-overview-card-img {
    transform: scale(1.05);
}

/* Card Number Badge */
.about-nsb-overview-card-number {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--nsb-primary);
    color: var(--nsb-white);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
    z-index: 2;
}

/* Card Overlay Gradient */
.about-nsb-overview-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(20, 33, 61, 0.2) 0%, rgba(252, 163, 17, 0.05) 100%);
    z-index: 1;
}

/* Card Content */
.about-nsb-overview-card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.about-nsb-overview-card-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: var(--font-weight-semi-bold);
    color: var(--nsb-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.about-nsb-overview-card-description {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    color: var(--nsb-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

/* Learn More Link */
.about-nsb-overview-learn-more {
    background-color: var(--nsb-primary);
    color: var(--nsb-white);
    border: none;
    border-radius: var(--border-radius-round);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    margin-top: auto;
    width: auto;
}

.about-nsb-overview-learn-more:hover {
    background-color: var(--nsb-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(252, 163, 17, 0.2);
    color: var(--nsb-white);
}

.about-nsb-overview-learn-more:active {
    transform: translateY(0);
}

.about-nsb-overview-learn-more i {
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
}

.about-nsb-overview-learn-more:hover i {
    transform: translateX(3px);
}

/* ===== KEY FACTS CARDS GRID ===== */
.about-nsb-keyfacts-cards-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr); /* Mobile: 1 per row */
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ===== KEY FACTS CARD STYLES ===== */
.about-nsb-keyfacts-card {
    background-color: var(--nsb-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--nsb-light);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
}

.about-nsb-keyfacts-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: var(--nsb-accent);
}

/* Card Image */
.about-nsb-keyfacts-card-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.about-nsb-keyfacts-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.about-nsb-keyfacts-card:hover .about-nsb-keyfacts-card-img {
    transform: scale(1.05);
}

/* Card Overlay Gradient */
.about-nsb-keyfacts-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(20, 33, 61, 0.2) 0%, rgba(252, 163, 17, 0.05) 100%);
    z-index: 1;
}

/* Card Content */
.about-nsb-keyfacts-card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.about-nsb-keyfacts-card-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: var(--font-weight-semi-bold);
    color: var(--nsb-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.about-nsb-keyfacts-card-description {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    color: var(--nsb-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex: 1;
}

/* Learn More Link */
.about-nsb-keyfacts-learn-more {
    background-color: var(--nsb-primary);
    color: var(--nsb-white);
    border: none;
    border-radius: var(--border-radius-round);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    margin-top: auto;
    width: auto;
}

.about-nsb-keyfacts-learn-more:hover {
    background-color: var(--nsb-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(252, 163, 17, 0.2);
    color: var(--nsb-white);
}

.about-nsb-keyfacts-learn-more:active {
    transform: translateY(0);
}

.about-nsb-keyfacts-learn-more i {
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
}

.about-nsb-keyfacts-learn-more:hover i {
    transform: translateX(3px);
}

/* ===== VISION, MISSION, VALUES CARDS GRID ===== */
.about-nsb-overview-values-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.about-nsb-overview-value-card {
    background: linear-gradient(135deg, rgba(20, 33, 61, 0.03) 0%, rgba(252, 163, 17, 0.03) 100%);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    border: 1px solid rgba(252, 163, 17, 0.2);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.about-nsb-overview-value-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--nsb-accent);
}

.about-nsb-overview-value-card-icon {
    color: var(--nsb-accent);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.about-nsb-overview-value-card-title {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: var(--font-weight-semi-bold);
    color: var(--nsb-primary);
    margin-bottom: var(--spacing-sm);
}

.about-nsb-overview-value-card-content {
    font-family: var(--font-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--nsb-text-primary);
}

.about-nsb-overview-value-card-content p {
    margin-bottom: var(--spacing-sm);
}

.about-nsb-overview-value-card-content p:last-child {
    margin-bottom: 0;
}

/* Core Values List */
.about-nsb-overview-values-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-nsb-overview-values-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--nsb-text-secondary);
}

.about-nsb-overview-values-list li:before {
    content: "✓";
    color: var(--nsb-accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.about-nsb-overview-values-list li:last-child {
    margin-bottom: 0;
}

.about-nsb-overview-values-list li strong {
    color: var(--nsb-primary);
    font-weight: var(--font-weight-semi-bold);
}

/* ===== SECTION CONTENT STYLES ===== */
.tab-section h3 {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: var(--font-weight-semi-bold);
    color: var(--nsb-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.tab-section h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: var(--font-weight-semi-bold);
    color: var(--nsb-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.tab-section ul:not(.about-nsb-overview-values-list) {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.tab-section ul:not(.about-nsb-overview-values-list) li {
    margin-bottom: var(--spacing-sm);
    color: var(--nsb-text-secondary);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Small Mobile Adjustments (≤480px) */
@media (max-width: 480px) {
    .about-nsb-overview-card-image {
        height: 160px;
    }
    
    .about-nsb-keyfacts-card-image {
        height: 160px;
    }
    
    .about-nsb-overview-card-title {
        font-size: 1.1rem;
    }
    
    .about-nsb-keyfacts-card-title {
        font-size: 1.1rem;
    }
    
    .about-nsb-overview-learn-more {
        width: 100%;
        justify-content: center;
    }
    
    .about-nsb-keyfacts-learn-more {
        width: 100%;
        justify-content: center;
    }
}

/* Tablet Styles (≥768px) */
@media (min-width: 768px) {
    .about-nsb-overview-cards-grid {
        grid-template-columns: repeat(2, 1fr); /* Tablet: 2 per row */
        gap: var(--spacing-lg);
    }
    
    .about-nsb-keyfacts-cards-grid {
        grid-template-columns: repeat(2, 1fr); /* Tablet: 2 per row */
        gap: var(--spacing-lg);
    }
    
    .about-nsb-overview-values-grid {
        grid-template-columns: repeat(2, 1fr); /* Tablet: 2 per row */
        gap: var(--spacing-lg);
    }
    
    .about-nsb-overview-card-image {
        height: 200px;
    }
    
    .about-nsb-keyfacts-card-image {
        height: 200px;
    }
    
    .about-nsb-overview-card-title {
        font-size: 1.3rem;
    }
    
    .about-nsb-keyfacts-card-title {
        font-size: 1.3rem;
    }
}

/* Desktop Styles (≥1024px) */
@media (min-width: 1024px) {
    .about-nsb-overview-cards-grid {
        grid-template-columns: repeat(3, 1fr); /* Desktop: 3 per row */
        gap: var(--spacing-md);
    }
    
    .about-nsb-keyfacts-cards-grid {
        grid-template-columns: repeat(3, 1fr); /* Desktop: 3 per row */
        gap: var(--spacing-md);
    }
    
    .about-nsb-overview-values-grid {
        grid-template-columns: repeat(2, 1fr); /* Desktop: 2 per row */
        gap: var(--spacing-md);
    }
    
    .about-nsb-overview-card-image {
        height: 180px;
    }
    
    .about-nsb-keyfacts-card-image {
        height: 180px;
    }
    
    .about-nsb-overview-card-title {
        font-size: 1.2rem;
    }
    
    .about-nsb-keyfacts-card-title {
        font-size: 1.2rem;
    }
}

/* Large Desktop (≥1200px) */
@media (min-width: 1200px) {
    .about-nsb-overview-cards-grid {
        gap: var(--spacing-lg);
    }
    
    .about-nsb-keyfacts-cards-grid {
        gap: var(--spacing-lg);
    }
    
    .about-nsb-overview-values-grid {
        gap: var(--spacing-lg);
    }
    
    .about-nsb-overview-card-image {
        height: 200px;
    }
    
    .about-nsb-keyfacts-card-image {
        height: 200px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .about-nsb-overview-card,
    .about-nsb-overview-learn-more,
    .about-nsb-overview-value-card,
    .about-nsb-keyfacts-card,
    .about-nsb-keyfacts-learn-more {
        transition: none;
    }
    
    .about-nsb-overview-card:hover,
    .about-nsb-keyfacts-card:hover {
        transform: none;
    }
    
    .about-nsb-overview-learn-more:hover,
    .about-nsb-keyfacts-learn-more:hover {
        transform: none;
    }
    
    .about-nsb-overview-learn-more:hover i,
    .about-nsb-keyfacts-learn-more:hover i {
        transform: none;
    }
    
    .about-nsb-overview-value-card:hover {
        transform: none;
    }
}