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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #f8f8f8;
    border-bottom: 1px solid #e0e0e0;
    padding: 10px 0;
}

.header-top .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
}

.header-top a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.header-top a:hover {
    color: #c33;
}

.header-main {
    padding: 20px 0;
}

.header-main .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

nav ul li {
    position: relative;
}

nav ul li a {
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

nav ul li a:hover {
    color: #c33;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

.hero {
    background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.8)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23333" width="1200" height="600"/></svg>');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 100px 20px;
    text-align: center;
}

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

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Oswald', sans-serif;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    line-height: 1.8;
}

main {
    background-color: #fff;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

article {
    max-width: 900px;
    margin: 0 auto 60px;
}

article h1 {
    font-size: 42px;
    color: #333;
    margin-bottom: 30px;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

article h2 {
    font-size: 32px;
    color: #333;
    margin: 40px 0 20px;
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
}

article h3 {
    font-size: 24px;
    color: #333;
    margin: 30px 0 15px;
    font-weight: 600;
}

article h4 {
    font-size: 20px;
    color: #333;
    margin: 25px 0 12px;
    font-weight: 600;
}

article p {
    margin-bottom: 20px;
    font-size: 17px;
    line-height: 1.8;
    color: #555;
}

article ul, article ol {
    margin: 20px 0 20px 30px;
}

article li {
    margin-bottom: 10px;
    line-height: 1.7;
    color: #555;
}

.transition-section {
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background-color: #f9f9f9;
    border-left: 4px solid #c33;
}

.transition-section p {
    font-size: 17px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

.transition-section p:last-child {
    margin-bottom: 0;
}

.links-section {
    background: linear-gradient(135deg, #c33 0%, #a02828 100%);
    padding: 60px 20px;
    margin-top: 60px;
}

.links-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.links-section h2 {
    color: #fff;
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
}

.links-section h3 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 20px;
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
}

.links-section ul {
    list-style: none;
    column-count: 2;
    column-gap: 40px;
    margin-bottom: 40px;
}

.links-section ul li {
    margin-bottom: 15px;
    break-inside: avoid;
}

.links-section ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    line-height: 1.6;
    transition: all 0.3s;
    display: inline-block;
    padding: 5px 0;
    border-bottom: 1px solid transparent;
}

.links-section ul li a:hover {
    border-bottom-color: #fff;
    padding-left: 10px;
}

footer {
    background-color: #2a2a2a;
    color: #bbb;
    padding: 40px 20px 20px;
}

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

footer h4 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 15px;
    font-family: 'Oswald', sans-serif;
}

footer p {
    line-height: 1.8;
    margin-bottom: 10px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid #444;
    color: #888;
    font-size: 14px;
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    nav ul.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 60px 20px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    article h1 {
        font-size: 32px;
    }
    
    article h2 {
        font-size: 26px;
    }
    
    article h3 {
        font-size: 22px;
    }
    
    .content-wrapper {
        padding: 40px 20px;
    }
    
    .links-section ul {
        column-count: 1;
    }
    
    .links-section {
        padding: 40px 20px;
    }
    
    .links-section h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 26px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    article h1 {
        font-size: 28px;
    }
    
    article p {
        font-size: 16px;
    }
}