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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #e7e7e7 0%, #bbbbbb 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 5px;
}

.header {
    text-align: center;
}

.logo {
    margin-bottom: 20px;
}

.logo img {
    max-width: 200px;
    height: auto;
}

@media (min-width: 769px) {
    .container {
        display: flex;
        flex-direction: column;
        min-height: 80vh;
    }
    
    .header {
        margin-bottom: 0;
    }
    
    .nav {
        display: flex;
        flex-wrap: wrap;        
        gap: 10px;
        /* 
        margin: auto 0;
        justify-content: center;
         */
        margin-top: 10%;
    }
    
    .article {
        margin-top: auto;
    }
}

@media (max-width: 768px) {
    .header {
        margin-bottom: 30px;
    }
    
    .nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 10px;
        margin-bottom: 30px;
        margin-top: 10%;
    }
}

.nav-btn {
    width: 160px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 5px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    background-size: cover;
    background-position: center;
    position: relative;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 5px;
    z-index: 1;
}

.nav-btn span {
    position: relative;
    z-index: 2;
    text-align: center;
}

.nav-btn small {
    font-size: 11px;
    font-weight: normal;
    opacity: 0.9;
    display: block;
    margin-top: 4px;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

hr {
    margin: 30px 0;
    border: none;
    border-top: 1px solid #dbdbdb;
}



.article {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0);
    padding: 20px;
    margin-top: 30px;
    
}

.article h2 {
    margin-bottom: 10px;
    color: #333;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
}

.article-content {
    color: #444;
    line-height: 1.6;
    font-size: 12px;
}

.article-content a {
    color: inherit;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    .nav {
        justify-content: flex-start;
    }
    
    .article {
        margin-top: 20px;
    }
}