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

body {
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background: #f0f4f8;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    background: #1e3a5f;
    margin: 0 -1.5rem 2rem;
    height: 60px;
}
header nav a { color: #a8c4e0; text-decoration: none; font-size: 0.9rem; font-weight: 500; }
header nav a:hover { color: #fff; }
.site-title { font-size: 1.1rem; font-weight: 700; color: #fff; }

main { padding: 0 0 2rem; }

article {
    background: #fff;
    border-radius: 4px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 6px rgba(30, 58, 95, 0.08);
}
article h1 { font-size: 1.9rem; margin-bottom: 0.5rem; line-height: 1.3; color: #1e3a5f; font-weight: 700; }
article h2 {
    font-size: 1.3rem;
    margin: 1.8rem 0 0.8rem;
    color: #1e3a5f;
    border-left: 4px solid #3a7bd5;
    padding-left: 0.8rem;
}
article h3 { font-size: 1.1rem; margin: 1.4rem 0 0.5rem; color: #2c5282; font-weight: 600; }
article p { margin-bottom: 1rem; color: #34495e; }
article a { color: #3a7bd5; }
article a:hover { color: #1e3a5f; }
article img { max-width: 100%; height: auto; border-radius: 4px; }

.hero { margin: -2.5rem -2.5rem 1.5rem; }
.hero img { width: 100%; height: auto; border-radius: 4px 4px 0 0; max-height: 420px; object-fit: cover; }
.hero figcaption { font-size: 0.82rem; color: #7f8c8d; padding: 0.4rem 2.5rem 0; font-style: italic; }

.article-body { margin: 1.5rem 0; }

time { display: block; font-size: 0.82rem; color: #95a5a6; margin-top: 1rem; }

.articles-list { display: grid; gap: 1.5rem; }
.card {
    background: #fff;
    border-radius: 4px;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(30, 58, 95, 0.08);
    transition: box-shadow 0.2s ease;
}
.card:hover { box-shadow: 0 3px 14px rgba(30, 58, 95, 0.14); }
.card img { width: 220px; min-height: 160px; object-fit: cover; flex-shrink: 0; }
.card-content { padding: 1.2rem 1.5rem; display: flex; flex-direction: column; justify-content: center; }
.card h2 { font-size: 1.1rem; margin: 0 0 0.4rem; font-weight: 700; }
.card h2 a { color: #1e3a5f; text-decoration: none; }
.card h2 a:hover { color: #3a7bd5; }
.card p { font-size: 0.9rem; color: #5d6d7e; margin: 0; }

footer {
    padding: 1.5rem 0;
    border-top: 1px solid #d5e0ec;
    text-align: center;
    font-size: 0.82rem;
    color: #95a5a6;
}
footer a { color: #3a7bd5; text-decoration: none; }
footer a:hover { color: #1e3a5f; }

@media (max-width: 600px) {
    body { padding: 0 0.75rem; }
    header nav { margin: 0 -0.75rem 1.5rem; padding: 0 1rem; }
    article { padding: 1.5rem; }
    .hero { margin: -1.5rem -1.5rem 1.5rem; }
    .hero figcaption { padding: 0.4rem 1.5rem 0; }
    article h1 { font-size: 1.4rem; }
    .card { flex-direction: column; }
    .card img { width: 100%; min-height: 180px; }
}