* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

nav {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: transparent;
    transition: 0.3s;
    z-index: 1000;
}

nav.scrolled {
    background: #1a1a1a;
    padding: 15px 40px;
}

nav .logo {
    color: white;
    font-size: 24px;
}

nav ul {
    display: flex;
    gap: 25px;
}

nav ul li {
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #a14444;
}

.hero {
    height: 100vh;
    background: linear-gradient(135deg, #40b7cd, #58ccad);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero button {
    margin-top: 20px;
    padding: 12px 25px;
    background: white;
    color: #333;
    border: none;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
}

.section {
    padding: 80px 40px;
    text-align: center;
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
}