body {
    background: #EEF3F7;
    font-family: 'GT America', sans-serif;
    margin: 0;
    padding: 0;
    color: #1A1A1A;
}

.site-header {
    background: #e5eef6;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
    background-size: 6px 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 2px solid #C0C0C0;
}

.site-header .logo img {
    height: 6rem;
    width: auto;
}

.site-header nav {
    font-size: 1.3rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: #B22222;
    font-weight: 500;
}

nav a:hover {
    color: #0071C5;
}

main {
    max-width: 720px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1 {
    color: #0033A0;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

h2, h3 {
    color: #0033A0;
    font-weight: 500;
}

p {
    font-weight: 400;
    line-height: 1.6;
}

main a {
    color: #0033A0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s, border-color 0.2s;
}

main a:hover {
    color: #B22222;
    border-bottom: 2px solid;
}

.post-meta {
    margin-bottom: 1rem;
}

.post-meta .post-description {
    font-size: 1rem;
    color: #666;
    font-style: italic;
    margin-bottom: 0.3rem;
}

.post-meta .post-date {
    font-size: 0.85rem;
    color: #888;
    font-weight: 400;
}

.post-separator {
    border: none;
    border-top: 1px solid #C0C0C0;
    margin-bottom: 1rem;
}

.post-image {
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

.post-image.index-preview {
    width: 60%;
}

.featured-post {
    border: 2px solid #C0C0C0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.archive {
    margin-top: 2rem;
    padding: 1rem;
}

.listing-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: #0033A0;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.listing {
    list-style: none;
    padding-left: 0;
    margin: 0 0 2rem 0;
}

.listing-item {
    margin-bottom: 1rem;
    border-left: 3px solid #B22222;
    padding-left: 1rem;
}

.listing-post a {
    font-size: 1.1rem;
    color: #0033A0;
    text-decoration: none;
    font-weight: 500;
}

.listing-post a:hover {
    color: #B22222;
    border-bottom: 2px solid;
}

.post-time {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.2rem;
}

/* Mobile-responsive design */
@media (max-width: 768px) {
    .site-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        padding: 1rem;
    }

    .site-header .logo img {
        height: 4rem;
    }

    .site-header nav {
        font-size: 1.1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-end;
        text-align: right;
    }

    main {
        margin: 1rem auto;
        padding: 0 1rem;
        max-width: 100%;
    }

    h1 {
        font-size: 28px;
    }

    .listing-item {
        padding-left: 0.75rem;
    }

    .listing-post a {
        font-size: 1rem;
    }

    .post-image.index-preview {
        width: 100%;
        margin-bottom: 0.0rem;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 0.75rem 1.5rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .site-header .logo img {
        height: 3.5rem;
    }

    .site-header nav {
        font-size: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.4rem;
        align-items: flex-end;
        text-align: right;
    }

    main {
        padding: 0 0.75rem;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }

    p {
        font-size: 16px;
        line-height: 1.5;
    }

    .listing-item {
        margin-bottom: 0.75rem;
        padding-left: 0.5rem;
        border-left-width: 2px;
    }

    .listing-post a {
        font-size: 0.95rem;
    }

    .post-time {
        font-size: 0.85rem;
    }
}