body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
    background: #ffffff;
    color: #111;
}

/* HEADER */
header {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: auto;
}

.logo {
    font-size: 28px;
    font-weight: bold;
}

nav {
    margin-top: 10px;
}

nav a {
    margin-right: 20px;
    text-decoration: none;
    color: #555;
    font-size: 14px;
}

nav a:hover {
    color: #000;
}

/* HERO */
.hero {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
}

.hero img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: 10px;
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-text h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.hero-text p {
    color: #666;
}

/* GRID */
.grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
}

.card h3 {
    margin: 10px 0;
    font-size: 18px;
}

.card p {
    font-size: 14px;
    color: #666;
}

/* ARTICLE PAGE */
.article {
    max-width: 800px;
    margin: 40px auto;
    line-height: 1.8;
}

.article h1 {
    font-size: 38px;
}

.article img {
    width: 100%;
    margin: 20px 0;
    border-radius: 10px;
}

/* SIDEBAR */
.layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
}

.sidebar {
    border-left: 1px solid #eee;
    padding-left: 20px;
}

.sidebar h3 {
    margin-top: 0;
}

/* FOOTER */
footer {
    margin-top: 60px;
    padding: 30px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #777;
}