body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #222;
    background: #f5f5f5;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* HEADER */
.header {
    background: #ffffff;
    padding: 18px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 22px;
    font-weight: bold;
}

.nav {
    float: right;
}

.nav a {
    margin-left: 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

.nav a:hover {
    color: #017acb;
}

/* HERO */
.hero {
    background: url('https://images.unsplash.com/photo-1501441886087-2c0f47b3bb16?w=1600')
        center/cover no-repeat;
    padding: 160px 20px;
    text-align: center;
    color: #fff;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 25px;
}

.btn-primary {
    background: #0072ce;
    padding: 14px 28px;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
}

.btn-primary:hover {
    background: #0059a3;
}

/* ABOUT */
.about {
    text-align: center;
    padding: 60px 0;
}

.about h2 {
    margin-bottom: 15px;
    font-size: 32px;
}

/* CARDS */
.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    padding: 40px 0;
}

.card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: .2s;
}

.card:hover {
    transform: translateY(-5px);
}

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

.card h3 {
    padding: 16px;
    margin: 0;
}

.card p {
    padding: 0 16px 16px;
    margin: 0;
}

/* NEWS */
.news {
    background: #ffffff;
    padding: 60px 0;
}

.news h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.news-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.news-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.news-item h4 {
    padding: 16px;
    margin: 0;
}

.news-item p {
    padding: 0 16px 16px;
    margin: 0;
}

/* FOOTER */
.footer {
    background: #222;
    color: #ddd;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.footer h3 {
    margin-bottom: 10px;
}

.footer a {
    color: #eee;
    text-decoration: none;
}

.footer a:hover {
    color: #fff;
}

copyright {
    text-align: center;
    margin-top: 30px;
    display: block;
}

/* RESPONSIVE */
@media(max-width: 900px) {
    .cards, .news-grid, .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .nav {
        display: none; /* simplify header for mobile */
    }

    .hero h1 {
        font-size: 30px;
    }
}

@media(max-width: 600px) {
    .cards, .news-grid, .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 120px 20px;
    }
}