/*--------------------------------------------------------------
# Security Education Service - 정보보호 교육 서비스 전용 CSS
# 기존 보안 서비스 페이지(sc-, hmt-)와 일관된 디자인 패턴 적용
--------------------------------------------------------------*/

:root {
    /* Primary Colors - 교육/학습 테마 (보라색 계열) */
    --edu-primary: #7C3AED;
    --edu-primary-light: #8B5CF6;
    --edu-primary-dark: #6D28D9;

    /* Secondary Colors */
    --edu-secondary: #06B6D4;
    --edu-accent: #F59E0B;

    /* Neutral Colors */
    --edu-white: #FFFFFF;
    --edu-gray-50: #FAFAFA;
    --edu-gray-100: #F5F5F5;
    --edu-gray-200: #E5E5E5;
    --edu-gray-300: #D4D4D4;
    --edu-gray-400: #A3A3A3;
    --edu-gray-500: #737373;
    --edu-gray-600: #525252;
    --edu-gray-700: #404040;
    --edu-gray-800: #262626;
    --edu-gray-900: #171717;

    /* Status Colors */
    --edu-success: #10B981;
    --edu-warning: #F59E0B;
    --edu-danger: #EF4444;

    /* Background */
    --edu-bg-primary: #FFFFFF;
    --edu-bg-secondary: #F8FAFC;
    --edu-bg-section: #F5F5F5;

    /* Gradients - 단순화 */
    --edu-gradient-primary: linear-gradient(135deg, #7C3AED 0%, #8B5CF6 100%);
    --edu-gradient-hero: linear-gradient(180deg, #FAFAFA 0%, #FFFFFF 100%);
}

/* ======= Base Page Styles ======= */
.edu-page {
    color: var(--edu-gray-800);
    background: var(--edu-bg-primary);
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
}

.edu-page h1, .edu-page h2, .edu-page h3, .edu-page h4, .edu-page h5, .edu-page h6 {
    color: var(--edu-gray-900);
    font-weight: 700;
}

/* ======= Section Styles ======= */
.edu-section {
    padding: 80px 0;
}

.edu-section-alt {
    background: var(--edu-bg-section);
}

.edu-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.edu-section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--edu-gray-900);
}

.edu-section-header p {
    font-size: 1.125rem;
    color: var(--edu-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ======= Hero Section ======= */
.edu-hero {
    background: var(--edu-gradient-hero);
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

.edu-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.edu-hero-content {
    position: relative;
    z-index: 1;
}

.edu-service-icon {
    width: 64px;
    height: 64px;
    background: var(--edu-gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.edu-service-icon i {
    font-size: 28px;
    color: #fff;
}

.edu-hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.edu-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--edu-primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.edu-badge-gov {
    background: rgba(245, 158, 11, 0.15);
    color: #D97706;
}

.edu-badge i {
    font-size: 12px;
}

.edu-hero h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--edu-gray-900);
}

.edu-hero h1 span {
    color: var(--edu-primary);
}

.edu-hero-subtitle {
    font-size: 1.125rem;
    color: var(--edu-gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.edu-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

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

.edu-hero-image img {
    max-width: 100%;
    height: auto;
    max-height: 450px;
}

/* Image Placeholder */
.edu-hero-image .image-placeholder {
    background: var(--edu-gray-100);
    border: 2px dashed var(--edu-gray-300);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.edu-hero-image .image-placeholder i {
    font-size: 64px;
    color: var(--edu-gray-400);
    margin-bottom: 20px;
}

.edu-hero-image .image-placeholder .placeholder-text {
    color: var(--edu-gray-600);
    font-size: 14px;
    margin-bottom: 8px;
}

.edu-hero-image .image-placeholder .placeholder-size {
    color: var(--edu-primary);
    font-weight: 600;
    font-size: 13px;
    background: rgba(124, 58, 237, 0.1);
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
}

/* ======= Buttons ======= */
.edu-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.edu-btn-primary {
    background: var(--edu-gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}

.edu-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
    color: #fff;
}

.edu-btn-outline {
    background: transparent;
    color: var(--edu-gray-700);
    border: 2px solid var(--edu-gray-300);
}

.edu-btn-outline:hover {
    border-color: var(--edu-primary);
    color: var(--edu-primary);
}

.edu-btn-white {
    background: #fff;
    color: var(--edu-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.edu-btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    color: var(--edu-primary);
}

/* ======= Differentiators Section ======= */
.edu-diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-diff-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--edu-gray-200);
}

.edu-diff-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.edu-diff-number {
    position: absolute;
    top: -12px;
    left: 24px;
    width: 32px;
    height: 32px;
    background: var(--edu-gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.edu-diff-icon {
    width: 56px;
    height: 56px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.edu-diff-icon i {
    font-size: 24px;
    color: var(--edu-primary);
}

.edu-diff-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.edu-diff-card p {
    color: var(--edu-gray-600);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.edu-diff-highlight {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--edu-primary);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}

.edu-card-gov {
    border-color: rgba(245, 158, 11, 0.3);
}

.edu-card-gov .edu-diff-highlight {
    background: rgba(245, 158, 11, 0.1);
    color: #D97706;
}

/* ======= Statistics Section ======= */
.edu-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.edu-stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--edu-gray-200);
}

.edu-stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--edu-primary);
    margin-bottom: 8px;
    line-height: 1.2;
}

.edu-stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--edu-gray-800);
    margin-bottom: 4px;
}

.edu-stat-desc {
    font-size: 12px;
    color: var(--edu-gray-500);
    line-height: 1.5;
}

/* ======= Tip Box ======= */
.edu-tip-box {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(124, 58, 237, 0.05);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 12px;
    padding: 20px 24px;
    margin-top: 32px;
}

.edu-tip-box i {
    font-size: 24px;
    color: var(--edu-primary);
    flex-shrink: 0;
}

.edu-tip-box p {
    margin: 0;
    font-size: 14px;
    color: var(--edu-gray-700);
    line-height: 1.7;
}

.edu-tip-box.warning {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.3);
}

.edu-tip-box.warning i {
    color: var(--edu-warning);
}

/* ======= Course Section ======= */
.edu-course-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.edu-course-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--edu-gray-200);
}

.edu-course-header {
    background: var(--edu-gradient-primary);
    padding: 24px;
    color: #fff;
}

.edu-course-header h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.edu-course-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    margin: 0;
}

.edu-course-header.basic {
    background: linear-gradient(135deg, #7C3AED 0%, #8B5CF6 100%);
}

.edu-course-header.advanced {
    background: linear-gradient(135deg, #6D28D9 0%, #4C1D95 100%);
}

.edu-course-content {
    padding: 24px;
}

.edu-course-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.edu-course-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--edu-gray-100);
    font-size: 14px;
    color: var(--edu-gray-700);
}

.edu-course-content ul li:last-child {
    border-bottom: none;
}

.edu-course-content ul li i {
    color: var(--edu-primary);
    font-size: 16px;
    margin-top: 2px;
}

/* ======= Timeline Process ======= */
.edu-timeline {
    padding: 20px 0;
}

.edu-timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    position: relative;
}

.edu-timeline-grid::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: var(--edu-gray-200);
    z-index: 0;
}

.edu-timeline-item {
    position: relative;
    z-index: 1;
    text-align: center;
}

.edu-timeline-number {
    width: 48px;
    height: 48px;
    background: var(--edu-gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.edu-timeline-content {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--edu-gray-200);
}

.edu-timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--edu-gray-900);
}

.edu-timeline-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.edu-timeline-content ul li {
    font-size: 13px;
    color: var(--edu-gray-600);
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
}

.edu-timeline-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--edu-primary);
}

/* ======= Benefits Section ======= */
.edu-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.edu-benefit-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--edu-gray-200);
}

.edu-benefit-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--edu-primary);
    margin-bottom: 8px;
}

.edu-benefit-value.success {
    color: var(--edu-success);
}

.edu-benefit-label {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--edu-gray-900);
    margin-bottom: 8px;
}

.edu-benefit-desc {
    font-size: 14px;
    color: var(--edu-gray-600);
    line-height: 1.6;
}

/* ======= CTA Section ======= */
.edu-cta {
    background: var(--edu-gradient-primary);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.edu-cta h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.edu-cta > .container > p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
}

.edu-cta-benefits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}

.edu-cta-benefits span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 15px;
}

.edu-cta-benefits span i {
    color: #fff;
}

.edu-contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.edu-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.edu-contact-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.edu-contact-item a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ======= FAQ Section ======= */
.edu-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.edu-faq-item {
    background: #fff;
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid var(--edu-gray-200);
    overflow: hidden;
}

.edu-faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.edu-faq-question:hover {
    background: var(--edu-gray-50);
}

.edu-faq-question h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--edu-gray-800);
    display: flex;
    align-items: center;
    gap: 12px;
}

.edu-faq-question h4 span {
    color: var(--edu-primary);
    font-weight: 700;
}

.edu-faq-question i {
    color: var(--edu-gray-400);
    transition: transform 0.3s ease;
}

.edu-faq-item.active .edu-faq-question i {
    transform: rotate(180deg);
}

.edu-faq-answer {
    display: none;
    padding: 0 24px 20px;
}

.edu-faq-item.active .edu-faq-answer {
    display: block;
}

.edu-faq-answer p {
    margin: 0;
    font-size: 14px;
    color: var(--edu-gray-600);
    line-height: 1.7;
    padding-left: 32px;
}

/* ======= Responsive ======= */
@media (max-width: 1200px) {
    .edu-diff-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .edu-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .edu-hero {
        padding: 40px 0 60px;
    }

    .edu-hero h1 {
        font-size: 2rem;
    }

    .edu-hero-image {
        margin-top: 40px;
    }

    .edu-diff-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .edu-course-grid {
        grid-template-columns: 1fr;
    }

    .edu-timeline-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .edu-timeline-grid::before {
        display: none;
    }

    .edu-benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .edu-section {
        padding: 60px 0;
    }

    .edu-section-header h2 {
        font-size: 1.75rem;
    }

    .edu-hero h1 {
        font-size: 1.75rem;
    }

    .edu-hero-subtitle {
        font-size: 1rem;
    }

    .edu-hero-cta {
        flex-direction: column;
    }

    .edu-btn {
        width: 100%;
        justify-content: center;
    }

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

    .edu-timeline-grid {
        grid-template-columns: 1fr;
    }

    .edu-cta-benefits {
        flex-direction: column;
        align-items: center;
    }

    .edu-contact-info {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
}