/* Body & General */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #fff;
    color: #000;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
header {
    background-color: #c0c0c0;
    padding: 10px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2em;
}

header .slogan {
    margin: 5px 0 10px 0;
    font-size: 1em;
    font-style: italic;
}

nav a {
    text-decoration: none;
    color: #0000ee;
    margin: 0 10px;
    font-weight: bold;
}

/* Main content */
main {
    flex: 1;
    padding: 20px 10px;
    display: flex;
    justify-content: center;
}

article {
    max-width: 650px; /* ограничиваем ширину текста */
    width: 100%;
    line-height: 1.7;
}

/* Article titles */
article h1, article h2, article h3 {
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-weight: normal;
}

/* Paragraphs */
article p {
    margin: 0 0 1em 0;
    font-size: 1em;
}

/* Date */
article .date {
    font-size: 0.9em;
    color: #555;
    margin-top: 10px;
}

/* Clickable article on main page */
.article-link {
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 20px;
}

.article-link:hover {
    background-color: #f0f0f0;
}

/* Footer */
footer {
    background-color: #c0c0c0;
    text-align: center;
    padding: 10px;
    margin-top: auto;
}

/* Responsive */
@media screen and (max-width: 600px) {
    header h1 {
        font-size: 1.5em;
    }
    article h1 {
        font-size: 1.2em;
    }
    article h2, article h3 {
        font-size: 1em;
    }
    article p {
        font-size: 0.95em;
    }
}