/* Reset and Base Styles */
.iseodang-sv-section *, .iseodang-sv-page * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* iSeodang Brand Colors */
    --primary-blue: #046BD2;
    --secondary-blue: #045CB4;
    --dark-text: #1e293b;
    --medium-text: #334155;
    --light-text: #64748b;
    --background: #ffffff;
    --light-background: #f8fafc;
    --border-color: #e2e8f0;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 36px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.iseodang-sv-section, .iseodang-sv-page {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--background);
}

.iseodang-sv-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
.iseodang-sv-container {
        padding: 0 var(--spacing-lg);
    }

}

/* Typography */
.iseodang-sv-section h1, .iseodang-sv-page h1, .iseodang-sv-section h2, .iseodang-sv-page h2, .iseodang-sv-section h3, .iseodang-sv-page h3, .iseodang-sv-section h4, .iseodang-sv-page h4, .iseodang-sv-section h5, .iseodang-sv-page h5, .iseodang-sv-section h6, .iseodang-sv-page h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

.iseodang-sv-section h1, .iseodang-sv-page h1 {
    font-size: var(--font-size-3xl);
}

.iseodang-sv-section h2, .iseodang-sv-page h2 {
    font-size: var(--font-size-2xl);
}

.iseodang-sv-section h3, .iseodang-sv-page h3 {
    font-size: var(--font-size-xl);
}

.iseodang-sv-section .section-title, .iseodang-sv-page .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--dark-text);
    position: relative;
}

.iseodang-sv-section .section-title::after, .iseodang-sv-page .section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-blue);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

/* Buttons */
.iseodang-sv-section .btn, .iseodang-sv-page .btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    font-size: var(--font-size-base);
}

.iseodang-sv-section .btn-primary, .iseodang-sv-page .btn-primary {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.iseodang-sv-section .btn-primary:hover, .iseodang-sv-page .btn-primary:hover {
    background-color: var(--secondary-blue);
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .btn-outline, .iseodang-sv-page .btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.iseodang-sv-section .btn-outline:hover, .iseodang-sv-page .btn-outline:hover {
    background-color: var(--primary-blue);
    color: white;
}

/* Ensure visibility for scoped sections */
.iseodang-sv-section .btn-outline,
.iseodang-sv-page .btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.iseodang-sv-section .btn-outline:hover,
.iseodang-sv-page .btn-outline:hover {
    background-color: var(--primary-blue);
    color: white;
}

.iseodang-sv-section .btn-large, .iseodang-sv-page .btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Header */
.iseodang-sv-header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.iseodang-sv-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.iseodang-sv-section .logo h1, .iseodang-sv-page .logo h1 {
    font-size: var(--font-size-xl);
    color: var(--primary-blue);
    margin-bottom: 0;
}

.iseodang-sv-nav {
    display: none;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
.iseodang-sv-nav {
        display: flex;
    }

}

.iseodang-sv-nav-link {
    text-decoration: none;
    color: var(--medium-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

.iseodang-sv-nav-link:hover {
    color: var(--primary-blue);
}

.iseodang-sv-section .contact-info .phone, .iseodang-sv-page .contact-info .phone {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

/* Hero Section */
body .hero,
.iseodang-sv-section .hero.hero, .iseodang-sv-page .hero.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%) !important;
    color: white !important;
    padding: var(--spacing-2xl) 0 !important;
    text-align: center !important;
}

body .hero-title,
.iseodang-sv-section .hero-title.hero-title, .iseodang-sv-page .hero-title.hero-title {
    font-size: var(--font-size-3xl) !important;
    margin-bottom: var(--spacing-xs) !important;
    color: #FFF !important;
}

@media (min-width: 768px) {
    body .hero-title,
.iseodang-sv-section .hero-title.hero-title, .iseodang-sv-page .hero-title.hero-title {
        font-size: 3rem !important;
    }

}

body .hero-subtitle,
.iseodang-sv-section .hero-subtitle.hero-subtitle, .iseodang-sv-page .hero-subtitle.hero-subtitle {
    font-size: var(--font-size-xl) !important;
    margin-bottom: var(--spacing-lg) !important;
    opacity: 0.9 !important;
    color: #FFF !important;
}

.iseodang-sv-section .hero-description, .iseodang-sv-page .hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.iseodang-sv-section .hero-stats, .iseodang-sv-page .hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.iseodang-sv-section .stat, .iseodang-sv-page .stat {
    text-align: center;
}

.iseodang-sv-section .stat-number, .iseodang-sv-page .stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.iseodang-sv-section .stat-label, .iseodang-sv-page .stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.iseodang-sv-section .hero-cta, .iseodang-sv-page .hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Sections */
.iseodang-sv-section section, .iseodang-sv-page section {
    padding: var(--spacing-2xl) 0;
}

.iseodang-sv-section .why-choose, .iseodang-sv-page .why-choose {
    background-color: var(--light-background);
}

/* Feature Cards */
.iseodang-sv-section .features-grid, .iseodang-sv-page .features-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .features-grid, .iseodang-sv-page .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .features-grid, .iseodang-sv-page .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

}

.iseodang-sv-section .feature-card, .iseodang-sv-page .feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iseodang-sv-section .feature-card:hover, .iseodang-sv-page .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .feature-card h3, .iseodang-sv-page .feature-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Location Benefits */
.iseodang-sv-section .location-benefits, .iseodang-sv-page .location-benefits {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .location-benefits, .iseodang-sv-page .location-benefits {
        grid-template-columns: repeat(2, 1fr);
    }

}

.iseodang-sv-section .benefit, .iseodang-sv-page .benefit {
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary-blue);
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.iseodang-sv-section .benefit h3, .iseodang-sv-page .benefit h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Programs */
.iseodang-sv-section .programs, .iseodang-sv-page .programs {
    background-color: var(--light-background);
}

.iseodang-sv-section .programs-grid, .iseodang-sv-page .programs-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .programs-grid, .iseodang-sv-page .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

.iseodang-sv-section .program-card, .iseodang-sv-page .program-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iseodang-sv-section .program-card:hover, .iseodang-sv-page .program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.iseodang-sv-section .program-header, .iseodang-sv-page .program-header {
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.iseodang-sv-section .program-header h3, .iseodang-sv-page .program-header h3 {
    margin-bottom: 0;
    font-size: var(--font-size-xl);
}

.iseodang-sv-section .levels, .iseodang-sv-page .levels {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.iseodang-sv-section .program-content, .iseodang-sv-page .program-content {
    padding: var(--spacing-lg);
}

.iseodang-sv-section .program-features, .iseodang-sv-page .program-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.iseodang-sv-section .program-features li, .iseodang-sv-page .program-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.iseodang-sv-section .program-features li::before, .iseodang-sv-page .program-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.iseodang-sv-section .program-cta, .iseodang-sv-page .program-cta {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.iseodang-sv-section .program-cta .btn, .iseodang-sv-page .program-cta .btn {
    width: 100%;
}

/* Visa Requirements */
.iseodang-sv-section .visa-requirements, .iseodang-sv-page .visa-requirements {
    background: var(--light-background);
}

.iseodang-sv-section .requirements-list, .iseodang-sv-page .requirements-list {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .requirements-list, .iseodang-sv-page .requirements-list {
        grid-template-columns: repeat(2, 1fr);
    }

}

.iseodang-sv-section .requirement-item, .iseodang-sv-page .requirement-item {
    display: flex;
    align-items: center;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.iseodang-sv-section .requirement-icon, .iseodang-sv-page .requirement-icon {
    font-size: var(--font-size-2xl);
    margin-right: var(--spacing-md);
}

.iseodang-sv-section .requirement-text h3, .iseodang-sv-page .requirement-text h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-blue);
}

.iseodang-sv-section .visa-note, .iseodang-sv-page .visa-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--primary-blue);
    color: white;
    border-radius: var(--radius-md);
}

/* Accommodation */
.iseodang-sv-section .accommodation-grid, .iseodang-sv-page .accommodation-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .accommodation-grid, .iseodang-sv-page .accommodation-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .accommodation-grid, .iseodang-sv-page .accommodation-grid {
        grid-template-columns: repeat(4, 1fr);
    }

}

.iseodang-sv-section .accommodation-card, .iseodang-sv-page .accommodation-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.iseodang-sv-section .accommodation-card:hover, .iseodang-sv-page .accommodation-card:hover {
    transform: translateY(-4px);
}

.iseodang-sv-section .accommodation-card.featured, .iseodang-sv-page .accommodation-card.featured {
    border: 3px solid var(--primary-blue);
}

.iseodang-sv-section .accommodation-header, .iseodang-sv-page .accommodation-header {
    padding: var(--spacing-lg);
    background: var(--light-background);
    text-align: center;
}

.iseodang-sv-section .accommodation-card.featured .accommodation-header, .iseodang-sv-page .accommodation-card.featured .accommodation-header {
    background: var(--primary-blue);
    color: white;
}

.iseodang-sv-section .price, .iseodang-sv-page .price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-blue);
}

.iseodang-sv-section .accommodation-card.featured .price, .iseodang-sv-page .accommodation-card.featured .price {
    color: white;
}

.iseodang-sv-section .price span, .iseodang-sv-page .price span {
    font-size: var(--font-size-sm);
    font-weight: 400;
}

.iseodang-sv-section .accommodation-features, .iseodang-sv-page .accommodation-features {
    list-style: none;
    padding: var(--spacing-lg);
}

.iseodang-sv-section .accommodation-features li, .iseodang-sv-page .accommodation-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.iseodang-sv-section .accommodation-features li:last-child, .iseodang-sv-page .accommodation-features li:last-child {
    border-bottom: none;
}

.iseodang-sv-section .accommodation-features li::before, .iseodang-sv-page .accommodation-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.iseodang-sv-section .accommodation-note, .iseodang-sv-page .accommodation-note {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--light-background);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--medium-text);
}

/* Living Costs */
.iseodang-sv-section .living-costs, .iseodang-sv-page .living-costs {
    background: var(--light-background);
}

.iseodang-sv-section .costs-breakdown, .iseodang-sv-page .costs-breakdown {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .cost-item, .iseodang-sv-page .cost-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.iseodang-sv-section .cost-item:last-child, .iseodang-sv-page .cost-item:last-child {
    border-bottom: none;
}

.iseodang-sv-section .cost-total, .iseodang-sv-page .cost-total {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--primary-blue);
    color: white;
    font-size: var(--font-size-lg);
}

.iseodang-sv-section .cost-amount, .iseodang-sv-page .cost-amount {
    font-weight: 600;
    color: var(--primary-blue);
}

.iseodang-sv-section .cost-total .cost-amount, .iseodang-sv-page .cost-total .cost-amount {
    color: white;
}

/* Student Support */
.iseodang-sv-section .support-grid, .iseodang-sv-page .support-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .support-grid, .iseodang-sv-page .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .support-grid, .iseodang-sv-page .support-grid {
        grid-template-columns: repeat(4, 1fr);
    }

}

.iseodang-sv-section .support-category, .iseodang-sv-page .support-category {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.iseodang-sv-section .support-category h3, .iseodang-sv-page .support-category h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.iseodang-sv-section .support-category ul, .iseodang-sv-page .support-category ul {
    list-style: none;
}

.iseodang-sv-section .support-category li, .iseodang-sv-page .support-category li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.iseodang-sv-section .support-category li::before, .iseodang-sv-page .support-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Discover JB */
.iseodang-sv-section .discover-jb, .iseodang-sv-page .discover-jb {
    background: var(--light-background);
}

.iseodang-sv-section .attractions-grid, .iseodang-sv-page .attractions-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .attractions-grid, .iseodang-sv-page .attractions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

}

.iseodang-sv-section .attraction-item, .iseodang-sv-page .attraction-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    color: var(--medium-text);
    transition: transform 0.3s ease, color 0.3s ease;
}

.iseodang-sv-section .attraction-item:hover, .iseodang-sv-page .attraction-item:hover {
    transform: translateY(-2px);
    color: var(--primary-blue);
}

/* Contact */
.iseodang-sv-section .contact, .iseodang-sv-page .contact {
    background: var(--primary-blue);
    color: white;
}

.iseodang-sv-section .contact-content, .iseodang-sv-page .contact-content {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
    text-align: center;
}

@media (min-width: 768px) {
.iseodang-sv-section .contact-content, .iseodang-sv-page .contact-content {
        grid-template-columns: 2fr 1fr;
        text-align: left;
    }

}

.iseodang-sv-section .contact-info h2, .iseodang-sv-page .contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.iseodang-sv-section .contact-details, .iseodang-sv-page .contact-details {
    margin-top: var(--spacing-lg);
}

.iseodang-sv-section .contact-item, .iseodang-sv-page .contact-item {
    margin-bottom: var(--spacing-md);
}

.iseodang-sv-section .contact-item a, .iseodang-sv-page .contact-item a {
    color: white;
    text-decoration: none;
}

.iseodang-sv-section .contact-item a:hover, .iseodang-sv-page .contact-item a:hover {
    text-decoration: underline;
}

.iseodang-sv-section .contact-cta, .iseodang-sv-page .contact-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.iseodang-sv-section .contact-note, .iseodang-sv-page .contact-note {
    margin-top: var(--spacing-sm);
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

/* Footer */
.iseodang-sv-footer {
    background: var(--dark-text);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.iseodang-sv-footer-content {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
.iseodang-sv-footer-content {
        grid-template-columns: repeat(3, 1fr);
    }

}

.footer-section h3,
.iseodang-sv-footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.iseodang-sv-footer-section ul {
    list-style: none;
}

.iseodang-sv-footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.iseodang-sv-footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.iseodang-sv-footer-section a:hover {
    color: white;
}

.iseodang-sv-footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-md);
    text-align: center;
    color: #9ca3af;
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 767px) {
.iseodang-sv-section .hero-stats, .iseodang-sv-page .hero-stats {
        gap: var(--spacing-lg);
    }
    
.iseodang-sv-section .hero-cta, .iseodang-sv-page .hero-cta {
        flex-direction: column;
        align-items: center;

}
    
.iseodang-sv-section .btn, .iseodang-sv-page .btn {
        width: 100%;
        max-width: 300px;
    }
    
.iseodang-sv-section .accommodation-grid, .iseodang-sv-page .accommodation-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.program-card,
.iseodang-sv-section .accommodation-card, .iseodang-sv-page .accommodation-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth Scrolling */
.iseodang-sv-section, .iseodang-sv-page {
    scroll-behavior: smooth;
}

/* Malay Features Section */
.iseodang-sv-section .malay-features, .iseodang-sv-page .malay-features {
    background-color: var(--light-background);
    padding: var(--spacing-2xl) 0;
}

.iseodang-sv-section .features-showcase, .iseodang-sv-page .features-showcase {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.iseodang-sv-section .feature-item, .iseodang-sv-page .feature-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iseodang-sv-section .feature-item:hover, .iseodang-sv-page .feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .feature-visual, .iseodang-sv-page .feature-visual {
    flex: 0 0 auto;
    min-width: 200px;
}

.iseodang-sv-section .feature-content, .iseodang-sv-page .feature-content {
    flex: 1;
}

.iseodang-sv-section .feature-content h3, .iseodang-sv-page .feature-content h3 {
    color: var(--primary-blue);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.iseodang-sv-section .pronunciation-chart, .iseodang-sv-page .pronunciation-chart {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    color: white;
    text-align: center;
}

.iseodang-sv-section .sound-group, .iseodang-sv-page .sound-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.iseodang-sv-section .sound-group:last-child, .iseodang-sv-page .sound-group:last-child {
    margin-bottom: 0;
}

.iseodang-sv-section .vowel, .iseodang-sv-page .vowel, .iseodang-sv-section .diphthong, .iseodang-sv-page .diphthong {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

@media (max-width: 768px) {
.iseodang-sv-section .feature-item, .iseodang-sv-page .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
.iseodang-sv-section .feature-visual, .iseodang-sv-page .feature-visual {
        min-width: auto;
        width: 100%;

}
}

/* Regional Context Section */
.iseodang-sv-section .regional-context, .iseodang-sv-page .regional-context {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.iseodang-sv-section .context-grid, .iseodang-sv-page .context-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
.iseodang-sv-section .context-grid, .iseodang-sv-page .context-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .context-grid, .iseodang-sv-page .context-grid {
        grid-template-columns: repeat(3, 1fr);
    }

}

.iseodang-sv-section .context-card, .iseodang-sv-page .context-card {
    background: var(--light-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.iseodang-sv-section .context-card:hover, .iseodang-sv-page .context-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .context-card h3, .iseodang-sv-page .context-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.iseodang-sv-section .context-card p, .iseodang-sv-page .context-card p {
    color: var(--medium-text);
    line-height: 1.6;
}

/* Korean Features Section */
.iseodang-sv-section .korean-features, .iseodang-sv-page .korean-features {
    background-color: var(--light-background);
    padding: var(--spacing-2xl) 0;
}

.iseodang-sv-section .hangul-display, .iseodang-sv-page .hangul-display {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 120px;
}

.iseodang-sv-section .hangul-char, .iseodang-sv-page .hangul-char {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-family: 'Noto Sans KR', sans-serif;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.iseodang-sv-section .hangul-char:hover, .iseodang-sv-page .hangul-char:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* Chinese Features Section */
.iseodang-sv-section .chinese-features, .iseodang-sv-page .chinese-features {
    background-color: var(--light-background);
    padding: var(--spacing-2xl) 0;
}

.iseodang-sv-section .chinese-char, .iseodang-sv-page .chinese-char {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    font-size: 4rem;
    font-weight: 700;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-family: 'Noto Sans SC', 'SimSun', serif;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin: 0 auto;
}

.iseodang-sv-section .chinese-char:hover, .iseodang-sv-page .chinese-char:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.iseodang-sv-section .tone-display, .iseodang-sv-page .tone-display {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    min-height: 100px;
}

.iseodang-sv-section .tone, .iseodang-sv-page .tone {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
    font-family: 'Noto Sans SC', sans-serif;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    min-width: 60px;
    text-align: center;
}

.iseodang-sv-section .tone:hover, .iseodang-sv-page .tone:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.iseodang-sv-section .tone-1, .iseodang-sv-page .tone-1 { border-color: #ef4444; }
.iseodang-sv-section .tone-2, .iseodang-sv-page .tone-2 { border-color: #f97316; }
.iseodang-sv-section .tone-3, .iseodang-sv-page .tone-3 { border-color: #eab308; }
.iseodang-sv-section .tone-4, .iseodang-sv-page .tone-4 { border-color: #22c55e; }

.iseodang-sv-section .cultural-symbol, .iseodang-sv-page .cultural-symbol {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    font-size: 3rem;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    margin: 0 auto;
}

.iseodang-sv-section .cultural-symbol:hover, .iseodang-sv-page .cultural-symbol:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Korean Culture Display */
.iseodang-sv-section .culture-display, .iseodang-sv-page .culture-display {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    min-height: 100px;
}

.iseodang-sv-section .culture-item, .iseodang-sv-page .culture-item {
    background: rgba(255, 255, 255, 0.15);
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.iseodang-sv-section .culture-item:hover, .iseodang-sv-page .culture-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

/* Respect Levels Display */
.iseodang-sv-section .respect-levels, .iseodang-sv-page .respect-levels {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 100px;
    justify-content: center;
}

.iseodang-sv-section .level-demo, .iseodang-sv-page .level-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
}

.iseodang-sv-section .informal, .iseodang-sv-page .informal, .iseodang-sv-section .formal, .iseodang-sv-page .formal {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    text-align: center;
    min-width: 120px;
}

.iseodang-sv-section .informal, .iseodang-sv-page .informal {
    font-size: var(--font-size-lg);
    border-color: #22c55e;
}

.iseodang-sv-section .formal, .iseodang-sv-page .formal {
    font-size: var(--font-size-base);
    border-color: #ef4444;
}

.iseodang-sv-section .informal:hover, .iseodang-sv-page .informal:hover, .iseodang-sv-section .formal:hover, .iseodang-sv-page .formal:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Festival Display / Culture Showcase */
.festival-display,
.iseodang-sv-section .culture-showcase, .iseodang-sv-page .culture-showcase {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    min-height: 100px;
    align-items: center;
}

.iseodang-sv-section .festival-item, .iseodang-sv-page .festival-item {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}

.iseodang-sv-section .festival-item:hover, .iseodang-sv-page .festival-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* Practical Scenarios Display */
.iseodang-sv-section .practical-scenarios, .iseodang-sv-page .practical-scenarios {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    min-height: 100px;
    align-items: center;
}

.iseodang-sv-section .scenario, .iseodang-sv-page .scenario {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}

.iseodang-sv-section .scenario:hover, .iseodang-sv-page .scenario:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Feature Highlights */
.iseodang-sv-section .feature-highlight, .iseodang-sv-page .feature-highlight {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: var(--spacing-md);
    transition: transform 0.3s ease;
}

.iseodang-sv-section .feature-highlight:hover, .iseodang-sv-page .feature-highlight:hover {
    transform: translateY(-2px);
}

.iseodang-sv-section .feature-highlight:nth-child(2), .iseodang-sv-page .feature-highlight:nth-child(2) {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

.iseodang-sv-section .feature-highlight:nth-child(3), .iseodang-sv-page .feature-highlight:nth-child(3) {
    background: linear-gradient(135deg, #059669, #10b981);
}

.iseodang-sv-section .feature-highlight h3, .iseodang-sv-page .feature-highlight h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: white !important;
}

.iseodang-sv-section .feature-highlight p, .iseodang-sv-page .feature-highlight p {
    margin: 0;
    opacity: 0.95;
}

/* Special Features Grid */
.iseodang-sv-section .special-features, .iseodang-sv-page .special-features {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    margin-top: var(--spacing-xl);
}

@media (min-width: 768px) {
.iseodang-sv-section .special-features, .iseodang-sv-page .special-features {
        grid-template-columns: repeat(3, 1fr);
    }

}

/* Tracks Grid */
.iseodang-sv-section .tracks-grid, .iseodang-sv-page .tracks-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .tracks-grid, .iseodang-sv-page .tracks-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .tracks-grid, .iseodang-sv-page .tracks-grid {
        grid-template-columns: repeat(3, 1fr);
    }

}

/* Track Cards */
.iseodang-sv-section .track-card, .iseodang-sv-page .track-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.iseodang-sv-section .track-card:hover, .iseodang-sv-page .track-card:hover {
    transform: translateY(-4px);
}

.iseodang-sv-section .track-card.featured, .iseodang-sv-page .track-card.featured {
    border: 3px solid var(--primary-blue);
    transform: scale(1.02);
}

.iseodang-sv-section .track-header, .iseodang-sv-page .track-header {
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
}

body .track-header h3,
.iseodang-sv-section .track-header h3.track-header h3, .iseodang-sv-page .track-header h3.track-header h3 {
    margin-bottom: var(--spacing-xs) !important;
    color: #FFF !important;
}

.iseodang-sv-section .track-duration, .iseodang-sv-page .track-duration {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.iseodang-sv-section .track-details, .iseodang-sv-page .track-details {
    padding: var(--spacing-lg);
}

.iseodang-sv-section .detail-item, .iseodang-sv-page .detail-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
}

.iseodang-sv-section .detail-item:last-child, .iseodang-sv-page .detail-item:last-child {
    border-bottom: none;
}

.iseodang-sv-section .detail-label, .iseodang-sv-page .detail-label {
    font-weight: 500;
    color: var(--medium-text);
}

.iseodang-sv-section .detail-value, .iseodang-sv-page .detail-value {
    font-weight: 600;
    color: var(--primary-blue);
}

.iseodang-sv-section .track-features, .iseodang-sv-page .track-features {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-style: italic;
    color: var(--medium-text);
}

/* Level Progression Section */
.iseodang-sv-section .level-progression, .iseodang-sv-page .level-progression {
    background: var(--light-background);
    padding: var(--spacing-2xl) 0;
}

/* Levels Grid */
.iseodang-sv-section .level-progression .levels-grid, .iseodang-sv-page .level-progression .levels-grid {
    display: grid !important;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
    width: 100%;
}

@media (min-width: 768px) {
.iseodang-sv-section .level-progression .levels-grid, .iseodang-sv-page .level-progression .levels-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

}

/* Level Cards */
.iseodang-sv-section .level-progression .level-card, .iseodang-sv-page .level-progression .level-card {
    background: white !important;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: var(--spacing-lg);
}

.iseodang-sv-section .level-progression .level-card:hover, .iseodang-sv-page .level-progression .level-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .level-progression .level-header, .iseodang-sv-page .level-progression .level-header {
    display: flex !important;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--light-background);
    position: relative;
}

.iseodang-sv-section .level-number, .iseodang-sv-page .level-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: white !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
    z-index: 2;
    position: relative;
}

.iseodang-sv-section .level-info, .iseodang-sv-page .level-info {
    flex: 1;
}

.iseodang-sv-section .level-info h3, .iseodang-sv-page .level-info h3 {
    margin-bottom: var(--spacing-xs);
}

.iseodang-sv-section .level-standards, .iseodang-sv-page .level-standards {
    display: flex;
    gap: var(--spacing-sm);
}

.iseodang-sv-section .cefr, .iseodang-sv-page .cefr, .iseodang-sv-section .ielts, .iseodang-sv-page .ielts, .iseodang-sv-section .toeic, .iseodang-sv-page .toeic, .iseodang-sv-section .topik, .iseodang-sv-page .topik, .iseodang-sv-section .hsk, .iseodang-sv-page .hsk {
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-block;
}

/* HSK specific red styling */
.iseodang-sv-section .hsk, .iseodang-sv-page .hsk {
    background: #dc2626 !important;
}

.iseodang-sv-section .level-content, .iseodang-sv-page .level-content {
    padding: var(--spacing-lg);
}

.iseodang-sv-section .level-content strong, .iseodang-sv-page .level-content strong {
    color: var(--dark-text);
    font-weight: 600;
}

.iseodang-sv-section .level-goal, .iseodang-sv-page .level-goal {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--light-background);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-blue);
}

.iseodang-sv-section .level-goal ul, .iseodang-sv-page .level-goal ul {
    list-style: none;
    margin: var(--spacing-xs) 0 0 0;
    padding: 0;
}

.iseodang-sv-section .level-goal li, .iseodang-sv-page .level-goal li {
    padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-lg);
    position: relative;
}

.iseodang-sv-section .level-goal li::before, .iseodang-sv-page .level-goal li::before {
    content: '•';
    position: absolute;
    left: var(--spacing-sm);
    color: var(--primary-blue);
    font-weight: bold;
}

.iseodang-sv-section .level-topics h4, .iseodang-sv-page .level-topics h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.iseodang-sv-section .level-topics ul, .iseodang-sv-page .level-topics ul {
    list-style: none;
}

.iseodang-sv-section .level-topics li, .iseodang-sv-page .level-topics li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.iseodang-sv-section .level-topics li::before, .iseodang-sv-page .level-topics li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.iseodang-sv-section .level-description, .iseodang-sv-page .level-description {
    margin-top: var(--spacing-md);
    font-style: italic;
    color: var(--medium-text);
    font-size: var(--font-size-sm);
}

/* Level color coding */
.iseodang-sv-section .level-card.beginner .level-number, .iseodang-sv-page .level-card.beginner .level-number {
    background: #dc2626 !important;
}

.iseodang-sv-section .level-card.elementary .level-number, .iseodang-sv-page .level-card.elementary .level-number {
    background: #ea580c !important;
}

.iseodang-sv-section .level-card.intermediate .level-number, .iseodang-sv-page .level-card.intermediate .level-number {
    background: #7c3aed !important;
}

.iseodang-sv-section .level-card.advanced .level-number, .iseodang-sv-page .level-card.advanced .level-number {
    background: #059669 !important;
}

/* Learning System */
.iseodang-sv-section .system-features, .iseodang-sv-page .system-features {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
.iseodang-sv-section .system-features, .iseodang-sv-page .system-features {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (min-width: 1024px) {
.iseodang-sv-section .system-features, .iseodang-sv-page .system-features {
        grid-template-columns: repeat(3, 1fr);
    }

}

.iseodang-sv-section .system-feature, .iseodang-sv-page .system-feature {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.iseodang-sv-section .system-feature:hover, .iseodang-sv-page .system-feature:hover {
    transform: translateY(-2px);
}

.iseodang-sv-section .system-feature .feature-icon, .iseodang-sv-page .system-feature .feature-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.iseodang-sv-section .system-feature h3, .iseodang-sv-page .system-feature h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Standards Table */
.iseodang-sv-section .standards-table, .iseodang-sv-page .standards-table {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.iseodang-sv-section .table-header, .iseodang-sv-page .table-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 2fr;
    background: var(--primary-blue);
    color: white;
    font-weight: 600;
    padding: var(--spacing-md);
}

.iseodang-sv-section .table-row, .iseodang-sv-page .table-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 2fr;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.iseodang-sv-section .table-row:last-child, .iseodang-sv-page .table-row:last-child {
    border-bottom: none;
}

.iseodang-sv-section .level-name, .iseodang-sv-page .level-name {
    font-weight: 600;
    color: var(--primary-blue);
}

@media (max-width: 767px) {
    .table-header,
.iseodang-sv-section .table-row, .iseodang-sv-page .table-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
.iseodang-sv-section .table-header, .iseodang-sv-page .table-header {
        display: none;

}
    
.iseodang-sv-section .table-row, .iseodang-sv-page .table-row {
        background: white;
        margin-bottom: var(--spacing-sm);
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-sm);
    }
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.iseodang-sv-section a:focus, .iseodang-sv-page a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}