/* ===== GENERAL STYLES ===== */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #6366f1;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #e2e8f0;
    --text: #1e293b;
    --text-light: #64748b;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cryptography-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.breadcrumbs .separator {
    margin: 0 8px;
}

.breadcrumbs .current {
    color: var(--text-light);
}

/* ===== HERO SECTION ===== */
.hero-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
    padding: 40px 0;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.6;
}

.search-box {
    display: flex;
    max-width: 500px;
}

.search-box input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--gray);
    border-radius: 10px 0 0 10px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-box button {
    padding: 0 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0 10px 10px 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--primary-dark);
}

.hero-visual {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.crypto-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.visual-item {
    background: white;
    border: 1px solid var(--gray);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.visual-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ===== QUICK ACCESS ===== */
.quick-access {
    margin-bottom: 60px;
}

.quick-access h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

.quick-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.quick-tool {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.quick-tool:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    color: var(--primary);
}

.tool-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.tool-name {
    font-weight: 600;
}

/* ===== CHILD PAGES SECTION ===== */
.child-pages-section {
    margin-bottom: 60px;
}

.child-pages-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

.no-pages-message {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 40px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.category-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.category-icon {
    font-size: 2rem;
    margin-right: 15px;
}

.category-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.category-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-links li {
    margin-bottom: 8px;
}

.category-links a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 5px 0;
}

.category-links a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== EDUCATIONAL CONTENT ===== */
.educational-content {
    margin-bottom: 60px;
}

.educational-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.edu-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.edu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.edu-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.edu-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.edu-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.edu-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== ARTICLES ===== */
.recent-articles {
    margin-bottom: 60px;
}

.recent-articles h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.article-image {
    height: 180px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: var(--light);
}

.article-content {
    padding: 20px;
}

.article-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.article-content h3 a {
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
}

.article-content h3 a:hover {
    color: var(--primary);
}

.article-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.view-all-container {
    text-align: center;
}

.view-all-btn {
    display: inline-block;
    padding: 12px 25px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.view-all-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== FAQ ===== */
.faq-section {
    margin-bottom: 60px;
}

.faq-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--dark);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
}

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

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: white;
    margin-bottom: 40px;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

/* ===== RESPONSIVENESS ===== */
@media (max-width: 768px) {
    .cryptography-container {
        padding: 15px;
    }
    
    .hero-section {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .search-box {
        width: 100%;
    }
    
    .categories-grid,
    .edu-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 30px 20px;
    }
    
    .cta-content h2 {
        font-size: 1.7rem;
    }
}