*{
    box-sizing: border-box;
}

body{
    margin:0;
    font-family: Arial, sans-serif;
    background:#f5f5f5;
    color:#222;
}

/* HEADER */
header{
    background:#111;
    color:#fff;
    padding:15px 20px;
}

header .logo img{
    height:40px;
}

nav.progreso{
    margin-top:10px;
}

nav.progreso a{
    color:#fff;
    text-decoration:none;
    margin-right:10px;
}

nav.progreso a.activo{
    text-decoration:underline;
}

/* CONTENEDOR */
.container{
    max-width:900px;
    margin:30px auto;
    background:#fff;
    padding:25px;
    border-radius:8px;
}

/* TITULOS */
h1{
    margin-top:0;
}

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

/* FILAS DOBLES */
.row{
    display:flex;
    gap:12px;
}

.row input{
    flex:1;
}

/* INPUTS */
input, textarea{
    width:100%;
    padding:10px;
    border:1px solid #ccc;
    border-radius:5px;
    font-size:14px;
}

textarea{
    min-height:150px;
    resize:vertical;
}

/* FILE */
input[type="file"]{
    background:#fafafa;
    padding:10px;
}

/* BOTÓN */
button{
    padding:12px;
    background:#111;
    color:#fff;
    border:none;
    border-radius:5px;
    cursor:pointer;
    font-size:15px;
}

button:hover{
    opacity:0.9;
}

/* TEXTOS AUXILIARES */
.help{
    font-size:12px;
    color:#666;
}

.legal{
    font-size:12px;
    color:#444;
    line-height:1.4;
}

/* FOOTER */
footer{
    text-align:center;
    padding:20px;
    font-size:12px;
    color:#666;
}