:root {
    --primary-color: #117E75; /* Staleks.sklep.pl Aqua theme color */
    --text-color: #333333;
    --bg-color: #ffffff;
    --light-bg: #f5f5f5;
    --border-color: #eaeaea;
}

body {
    font-family: 'Inter', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

header {
    background-color: #ffffff;
    color: var(--text-color);
    padding: 15px 0;
    border-bottom: 3px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
}

.shop-link {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: opacity 0.2s;
}

.shop-link:hover {
    opacity: 0.9;
}

main {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: 70vh;
}

article {
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5rem;
    color: #111;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    color: #222;
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.content {
    font-size: 1.1rem;
}

.content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.content a:hover {
    text-decoration: underline;
}

.content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

/* Index page specific */
.article-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    transition: box-shadow 0.2s, transform 0.2s;
}

.article-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.article-card h2 {
    margin-top: 0;
    border-bottom: none;
}

.article-card a {
    text-decoration: none;
    color: inherit;
}

.article-card h2:hover {
    color: var(--primary-color);
}

.read-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: none;
}

.read-more:hover {
    text-decoration: underline;
}

footer {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 30px 20px;
    color: #666;
    margin-top: 50px;
}