body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navbar styling */
.navbar {
    background: #00695c;
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #ffcc00;
}

.btn-success {
    background: #00c853;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: white;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn-success:hover {
    background: #00b342;
}

/* Responsive */
.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
}

.hero {
    background: url("https://asset.kompas.com/crops/yyT0g4VFM9FLbBKU-dqI20ljmpU=/91x1:678x393/750x500/data/photo/2022/09/13/63205330a88e5.jpg")
        center center/cover no-repeat;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.btn {
    background: #ffd700;
    color: #000;
    padding: 0.75rem 1.5rem;
    border: none;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.section {
    padding: 4rem 2rem;
    text-align: center;
}

.light-bg {
    background: #f9f9f9;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 300px;
}

footer {
    background: #007b5e;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 70px;
        right: 0;
        background: #004d40;
        flex-direction: column;
        width: 200px;
        padding: 1rem;
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }
    .cards {
        flex-direction: column;
    }
}