@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&display=swap');

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --background-color: #f4f4f9;
    --text-color: #333;
    --card-bg-color: #ffffff;
    --shadow-color: rgba(0,0,0,0.1);
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    letter-spacing: 0.5px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 3em;
}

header {
    background-color: var(--card-bg-color);
    padding: 2.5em;
    text-align: center;
    margin-bottom: 2em;
    box-shadow: 0 2px 4px var(--shadow-color);
    border-bottom: 4px solid var(--primary-color);
}

header h1 {
    margin: 0;
    font-size: 3em;
    color: var(--secondary-color);
    letter-spacing: 1px;
}

h2 {
    font-size: 2.2em;
    color: var(--secondary-color);
    margin-bottom: 1em;
}

nav {
    margin-top: 1em;
}

nav a {
    text-decoration: none;
    color: var(--primary-color);
    margin: 0 1em;
    font-weight: 700;
    transition: color 0.3s ease;
}

nav a:hover,
nav a.active {
    color: var(--secondary-color);
    text-decoration: none;
}

nav a.active {
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 4px;
}

main {
    /* No specific styles here, container handles padding */
}

#post-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5em;
}

#post-list li {
    background-color: var(--card-bg-color);
    padding: 2em;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#post-list li:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

#post-list a {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 1.5em;
    font-weight: 700;
    transition: color 0.3s ease;
}

#post-list a:hover {
    color: var(--primary-color);
}

article {
    background-color: var(--card-bg-color);
    padding: 2.5em;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

form label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 700;
}

form input[type="text"],
form input[type="email"],
form textarea {
    width: 100%;
    padding: 0.8em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

form input[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 700;
}

form input[type="submit"]:hover {
    background-color: var(--secondary-color);
}

footer {
    text-align: center;
    margin-top: 3em;
    padding: 2em;
    color: #666;
    background-color: var(--card-bg-color);
}

.social-media {
    margin-bottom: 1em;
}

.social-media a {
    font-size: 1.5em;
    margin: 0 0.5em;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

.social-media a:hover {
    color: var(--primary-color);
}