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

body{
    background:linear-gradient(145deg,#f7f9fc 0%,#eef3f8 100%);
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:flex-start;
    padding:28px;
    color:#1f2937;
}

.contenedor{
    width:100%;
    max-width:900px;
    margin:auto 0;
}

.tarjeta{
    background:#ffffff;
    padding:48px;
    border-radius:20px;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
    text-align:center;
}

h1{
    color:#0b2341;
    font-size:clamp(32px,5vw,44px);
    line-height:1.08;
    margin-bottom:16px;
}

h2{
    color:#4a5568;
    font-size:26px;
    margin-bottom:22px;
}

p{
    color:#555;
    font-size:17px;
    line-height:1.65;
    margin-bottom:24px;
}

.boton{
    display:inline-block;
    background:#0b2341;
    color:white;
    text-decoration:none;
    padding:15px 30px;
    border-radius:12px;
    font-size:16px;
    font-weight:700;
    transition:0.3s;
}

.boton:hover{
    background:#1f4d8f;
    transform:translateY(-2px);
}

.marca-epb {
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 26px;
}

.marca-epb__texto {
    text-align:center;
}

.marca-epb__texto strong {
    display:block;
    color:#0b2341;
    font-size:16px;
    letter-spacing:.05em;
    text-transform:uppercase;
}

.marca-epb__texto span {
    display:block;
    color:#9a762d;
    font-size:13px;
    margin-top:4px;
}

.marca-epb--compacta {
    justify-content:flex-start;
    padding-bottom:20px;
    border-bottom:1px solid #e5e7eb;
}

.marca-epb--compacta .marca-epb__texto {
    text-align:left;
}

.pasos-flujo {
    display:flex;
    align-items:center;
    justify-content:center;
    flex-wrap:wrap;
    gap:8px;
    margin:0 0 24px;
    color:#64748b;
    font-size:13px;
    font-weight:700;
}

.pasos-flujo span {
    padding:7px 11px;
    border-radius:999px;
    background:#eef2f7;
}

.pasos-flujo .activo {
    color:#ffffff;
    background:#0b2341;
}

.eyebrow {
    margin:0 0 10px;
    color:#9a762d;
    font-size:13px;
    font-weight:800;
    letter-spacing:.08em;
    text-transform:uppercase;
}

.boton-secundario {
    background:#ffffff;
    color:#0b2341;
    border:1px solid #0b2341;
}

.boton-secundario:hover {
    background:#edf3f8;
}

.mensaje-error {
    margin:0 0 20px;
    padding:13px 15px;
    border:1px solid #fecaca;
    border-left:5px solid #dc2626;
    border-radius:10px;
    background:#fff7f7;
    color:#991b1b;
    font-size:14px;
    line-height:1.45;
    text-align:left;
}

@media (max-width:700px) {
    body { padding:14px; align-items:flex-start; }
    .tarjeta { padding:28px 18px; border-radius:16px; }
    h1 { font-size:31px; }
    h2 { font-size:22px; }
    .marca-epb__texto strong { font-size:13px; }
    .marca-epb__texto span { font-size:12px; }
    .boton { width:100%; padding:14px 18px; text-align:center; }
}