* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding-top: 60px; 
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #111;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    z-index: 1000;
}

header h1 {
    font-size: 1.4rem;
}

header nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
    padding: 5px 8px;
    border-radius: 4px;
    transition: background 0.3s;
}

header nav a:hover {
    background: #00bcd4;
}


section {
    padding: 40px 20px;
    text-align: center;
}

#home { background: #e0f7fa; }
#features { background: #fff; }
#about { background: #f1f1f1; }
#contact { background: #fff; }

form input,
form textarea {
    width: 80%;
    max-width: 500px;
    margin: 8px 0;
    padding: 8px;
    border: 1px solid #ccc;
}

form textarea {
    resize: none;
    height: 100px;
}

button {
    padding: 8px 16px;
    background: #00bcd4;
    border: none;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #0097a7;
}

footer {
    background: #111;
    color: white;
    text-align: center;
    padding: 10px;
}