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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    text-align: center;
}

.logo-area {
    margin-bottom: 1rem;
}

.logo {
    width: 120px;
    height: 41px;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

.logo:hover {
    transform: scale(1.05);
}

h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.tagline {
    color: #7f8c8d;
    font-size: 1.1rem;
}

main {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.blog-post {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
}

.main-title {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
    line-height: 1.3;
}

.intro-text {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 2rem;
    text-align: center;
    font-style: italic;
}

.image-placeholder {
    text-align: center;
    margin: 2rem 0;
}

.feature-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin: 2.5rem 0 1rem 0;
    padding-top: 1rem;
    border-top: 2px solid #ecf0f1;
}

h3 {
    font-size: 1.4rem;
    color: #34495e;
    margin: 2rem 0 1rem 0;
}

h4 {
    font-size: 1.2rem;
    color: #34495e;
    margin: 1.5rem 0 0.8rem 0;
}

h5 {
    font-size: 1.1rem;
    color: #34495e;
    margin: 1.2rem 0 0.6rem 0;
}

h6 {
    font-size: 1rem;
    color: #34495e;
    margin: 1rem 0 0.5rem 0;
}

p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.advantages-list {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.advantages-list li {
    margin-bottom: 1rem;
    color: #555;
    line-height: 1.6;
}

.advantages-list strong {
    color: #2c3e50;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.social-links {
    margin-top: 1rem;
}

.social-links a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
    font-size: 1.2rem;
}

/* Tablet and smaller desktop screens */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .main-title {
        font-size: 1.8rem;
    }
    
    main {
        padding: 1.5rem;
    }
    
    .feature-image {
        border-radius: 6px;
    }
    
    .logo {
        width: 90px;
        height: 31px;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    h4 {
        font-size: 1.1rem;
    }
    
    h5 {
        font-size: 1rem;
    }
    
    h6 {
        font-size: 0.95rem;
    }
    
    .intro-text {
        font-size: 1rem;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    .container {
        padding: 8px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .main-title {
        font-size: 1.6rem;
        line-height: 1.4;
    }
    
    main {
        padding: 1rem;
    }
    
    header {
        padding: 1.5rem 0;
    }
    
    .logo {
        width: 80px;
        height: 27px;
    }
    
    h2 {
        font-size: 1.4rem;
        margin: 2rem 0 0.8rem 0;
    }
    
    h3 {
        font-size: 1.1rem;
        margin: 1.5rem 0 0.8rem 0;
    }
    
    h4 {
        font-size: 1rem;
        margin: 1.2rem 0 0.6rem 0;
    }
    
    h5 {
        font-size: 0.95rem;
        margin: 1rem 0 0.5rem 0;
    }
    
    h6 {
        font-size: 0.9rem;
        margin: 0.8rem 0 0.4rem 0;
    }
    
    .intro-text {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .feature-image {
        border-radius: 4px;
    }
    
    footer {
        padding: 1.5rem 0;
    }
    
    .social-links a {
        font-size: 1rem;
        margin: 0 8px;
    }
}

/* Large desktop screens */
@media (min-width: 1200px) {
    .container {
        max-width: 1000px;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    .main-title {
        font-size: 2.4rem;
    }
    
    main {
        padding: 3rem;
    }
    
    .feature-image {
        max-width: 90%;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    header, footer {
        display: none;
    }
    
    main {
        box-shadow: none;
        padding: 0;
    }
    
    .feature-image {
        max-width: 100%;
        box-shadow: none;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: black;
    }
}