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

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #3b82f6;
    --accent: #60a5fa;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-accent: #eff6ff;
    --border: #e2e8f0;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.notice-banner {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e3a8a;
    text-align: center;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 14px;
    border-bottom: 2px solid var(--primary);
}

header {
    border-bottom: 1px solid var(--border);
    background-color: var(--bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-bar {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--primary-dark);
    padding: 10px 0;
    font-size: 14px;
}

.header-bar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.header-contact {
    display: flex;
    gap: 28px;
    font-weight: 500;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text);
}

.brand img {
    width: 70px;
    height: 70px;
    margin-right: 16px;
    object-fit: contain;
}

.brand-text h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.brand-text p {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 38px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
    padding: 8px 0;
}

nav ul li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s;
}

nav ul li a:hover::before {
    width: 100%;
}

nav ul li a:hover {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 26px;
    cursor: pointer;
    color: var(--text);
}

.hero-section {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #93c5fd 100%);
    padding: 100px 20px;
    text-align: center;
}

.hero-section h2 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 28px;
    color: var(--text);
    line-height: 1.2;
}

.hero-section p {
    font-size: 20px;
    color: var(--text);
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-weight: 400;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.btn {
    display: inline-block;
    padding: 15px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-main {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.btn-main:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background-color: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--bg-accent);
    transform: translateY(-2px);
}

.metrics {
    padding: 80px 20px;
    background-color: var(--bg);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 45px;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 44px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.metric-label {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 600;
}

.content-section {
    padding: 100px 20px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 65px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 18px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.topic-card {
    background-color: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}

.topic-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
    border-color: var(--primary);
}

.topic-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.topic-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.topic-card p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

.topic-features {
    list-style: none;
    margin-top: 18px;
}

.topic-features li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 14px;
    font-size: 15px;
    color: var(--text);
}

.topic-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 18px;
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.path-card {
    background-color: white;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}

.path-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
}

.path-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.path-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.path-link {
    display: inline-block;
    padding: 12px 26px;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.path-link:hover {
    background: var(--primary-dark);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.security-item {
    background-color: white;
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--primary);
}

.security-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--primary);
}

.security-item p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.7;
}

.newsletter-section {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #93c5fd 100%);
    padding: 100px 20px;
    text-align: center;
}

.newsletter-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text);
    font-weight: 800;
}

.newsletter-section p {
    font-size: 18px;
    color: var(--text);
    max-width: 700px;
    margin: 0 auto 40px;
}

.newsletter-form {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    gap: 14px;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    outline: none;
}

.newsletter-form button {
    padding: 16px 34px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.newsletter-form button:hover {
    background-color: var(--primary-dark);
}

.privacy-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-light);
}

footer {
    background-color: #f1f5f9;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text);
}

.footer-col p,
.footer-col strong {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

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

.footer-col ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    line-height: 2.3;
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.footer-registration {
    background-color: var(--bg-accent);
    padding: 32px;
    border-radius: 14px;
    margin-bottom: 40px;
    border-left: 4px solid var(--primary);
}

.footer-registration h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-registration p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
    line-height: 1.7;
}

.footer-registration strong {
    color: var(--text);
    font-weight: 600;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

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

.content-page {
    padding: 80px 0;
}

.content-page h1 {
    font-size: 44px;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--text);
}

.content-page h2 {
    font-size: 30px;
    font-weight: 700;
    margin: 50px 0 24px;
    color: var(--text);
}

.content-page h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 40px 0 20px;
    color: var(--text);
}

.content-page p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--text);
}

.content-page ul,
.content-page ol {
    margin-bottom: 40px;
    margin-left: 22px;
    padding-left: 22px;
}

.content-page li {
    margin-bottom: 14px;
    line-height: 1.7;
}

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

.content-page a:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text);
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 180px;
    resize: vertical;
}

.info-box {
    background: var(--bg-accent);
    padding: 24px;
    border-left: 4px solid var(--primary);
    margin: 35px 0;
    border-radius: 8px;
}

.info-box strong {
    color: var(--primary-dark);
}

.faq-item {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 30px;
}

.faq-item h3 {
    font-size: 20px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 12px;
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-section h2 {
        font-size: 36px;
    }
    
    .hero-section p {
        font-size: 18px;
    }
    
    .section-header h2 {
        font-size: 34px;
    }
    
    .topics-grid,
    .paths-grid,
    .security-grid,
    .metrics-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .header-contact {
        flex-direction: column;
        gap: 10px;
        align-items: flex-end;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}