*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body{
    background:linear-gradient(180deg,#eefaf0,#dff5e4);
    color:#333;
    min-height:100vh;
}

header{
    background:#2e8b57;
    color:white;
    text-align:center;
    padding:30px;
    box-shadow:0 3px 10px rgba(0,0,0,0.2);
}

header h1{
    font-size:2.5rem;
    margin-bottom:10px;
}

header p{
    font-size:1.1rem;
}

.hero{
    text-align:center;
    padding:50px 25px;
}

.hero h2{
    color:#2e8b57;
    margin-bottom:20px;
    font-size:2rem;
}

.hero p{
    max-width:900px;
    margin:15px auto;
    line-height:1.8;
    font-size:1.1rem;
}

.contenedor{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:25px;
    padding:40px;
}

.tarjeta{
    background:white;
    border-radius:20px;
    padding:30px;
    box-shadow:0 8px 20px rgba(0,0,0,0.1);
    transition:0.3s;
}

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

.tarjeta h2{
    color:#2e8b57;
    margin-bottom:15px;
}

.tarjeta p{
    line-height:1.8;
    margin-bottom:15px;
}

form{
    display:flex;
    flex-direction:column;
    gap:12px;
}

input{
    padding:14px;
    border:1px solid #ccc;
    border-radius:10px;
    font-size:1rem;
}

input:focus{
    outline:none;
    border-color:#2e8b57;
}

button,
.boton{
    background:#2e8b57;
    color:white;
    text-decoration:none;
    border:none;
    padding:14px;
    border-radius:10px;
    cursor:pointer;
    display:inline-block;
    text-align:center;
    font-weight:bold;
    transition:0.3s;
}

button:hover,
.boton:hover{
    background:#236945;
}

table{
    width:100%;
    border-collapse:collapse;
    margin-top:20px;
}

table th{
    background:#2e8b57;
    color:white;
}

table th,
table td{
    border:1px solid #ddd;
    padding:12px;
    text-align:center;
}

footer{
    background:#2e8b57;
    color:white;
    text-align:center;
    padding:20px;
    margin-top:40px;
}

.lista{
    text-align:left;
    margin-top:15px;
    margin-left:20px;
}

.lista li{
    margin-bottom:10px;
}

@media(max-width:768px){

    header h1{
        font-size:2rem;
    }

    .hero{
        padding:35px 20px;
    }

    .hero h2{
        font-size:1.6rem;
    }

    .contenedor{
        padding:20px;
        grid-template-columns:1fr;
    }

}