/* ========== GLOBAL STYLES ========== */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fdfdfd;
    color: #333;
    line-height: 1.6;
}
h1{
    color: #fff;
}

h2, h3 {
    color: #285f93;
}

a {
    color: #003366;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ========== HEADER & NAVIGATION ========== */
header {
    background-color: #003366;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0.5rem 1rem;
}

nav a {
    color: #fff;
    font-weight: bold;
}

nav a.active, nav a:hover {
    border-bottom: 2px solid #fff;
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    text-align: center;
}

.hero-image {
    width: 100%;
    height: 70vh;
    object-fit: cover;
    filter: brightness(70%);
}

.hero-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    background-color: rgba(0,0,0,0.5);
    padding: 1rem 2rem;
    border-radius: 5px;
}

/* ========== CONTENT SECTIONS ========== */
main {
    padding: 2rem;
}

.intro, .highlights, .sustainability {
    margin-bottom: 3rem;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.card {
    flex: 1 1 300px;
    margin: 1rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card h3 {
    padding: 0.5rem 1rem;
}

.card p {
    padding: 0 1rem 1rem;
}

/* ========== FOOTER ========== */
footer {
    background-color: #003366;
    color: #fff;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }
    .hero-text {
        width: 90%;
    }
    .cards {
        flex-direction: column;
        align-items: center;
    }
}