* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --hover-color: #1d4ed8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.content-section {
    background: var(--bg-light);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.info-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.article-card {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.article-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.article-excerpt {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.7;
    flex-grow: 1;
}

.read-more {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--hover-color);
}

.article-meta {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.article-full {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.article-full h1 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
}

.article-full h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.article-full h3 {
    font-size: 1.4rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.article-full p {
    margin-bottom: 1.25rem;
    color: var(--text-light);
    line-height: 1.8;
}

.article-full ul, .article-full ol {
    margin-bottom: 1.25rem;
    padding-left: 2rem;
    color: var(--text-light);
}

.article-full li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.back-link:hover {
    color: var(--hover-color);
}

.legal-content {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--bg-white);
}

.legal-content h1 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-content h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-content h3 {
    font-size: 1.4rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.legal-content p {
    margin-bottom: 1.25rem;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-content ul, .legal-content ol {
    margin-bottom: 1.25rem;
    padding-left: 2rem;
    color: var(--text-light);
}

.legal-content li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.last-updated {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 2rem;
}

footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        text-align: center;
        padding: 0.5rem 0;
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .article-full {
        padding: 1.5rem;
    }

    .article-full h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 3rem 0;
    }

    .section {
        padding: 3rem 0;
    }

    .article-full {
        padding: 1rem;
    }
}