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

html{
    scroll-behavior: smooth;
}

header {
    background: #222;
    color: white;
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

header a {
    text-decoration: none;
    color: inherit;
}

header a:hover {
    color: #ff4c29;
    transition: 0.6s;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background-color: #f7f7f7;
    color: #333;
    padding-top: 70px;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-link:hover {
    background: rgba(255, 76, 41, 0.1);
}

header nav button {
    margin-left: 10px;
    background: #ff4c29;
    color: white;
    border: none;
    padding: 8px 14px;
    cursor: pointer;
    border-radius: 5px;
    transition: 0.3s;
}

header nav button:hover {
    background: #ff7b59;
}

.inicio {
    background: #ff4c29;
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.inicio h2 {
    font-size: 2em;
    margin-bottom: 10px;
}

.nosotros {
    background: white;
    padding: 60px 20px;
}

.nosotros h2 {
    text-align: center;
    margin-bottom: 20px;
}

.caracteristicas {
    background: #eee;
    padding: 60px 20px;
}

.caracteristicas h2 {
    text-align: center;
    margin-bottom: 30px;
}

.tarjeta {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.tarjeta h3 {
    color: #ff4c29;
    margin-bottom: 10px;
}

footer {
    text-align: center;
    background: #222;
    color: white;
    padding: 20px;
    margin-top: 40px;
}