:root {
  --bg: #f6f4f0; --card: #ffffff; --text: #1f1d1a; --muted: #6b665e; --line: #e3ded5;
  --accent: #d2452b; --accent-dark: #a9341f; --ok: #2e7d4f; --error: #b3261e; --soft: #fbf1ed;
  --radius: 12px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.05);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
.contenedor { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }
header.marca { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
header.marca .logo { width: 40px; height: 40px; border-radius: 10px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 20px; }
header.marca h1 { margin: 0; font-size: 1.5rem; }
.bajada { color: var(--muted); margin: 0 0 24px; }
.tarjeta { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.tarjeta h2 { font-size: 1.1rem; margin: 0 0 4px; }
.tarjeta .ayuda { color: var(--muted); font-size: .9rem; margin: 0 0 16px; }
.grilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 16px; }
.grilla .ancho { grid-column: 1 / -1; }
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 4px; }
label .opc { font-weight: 400; color: var(--muted); }
label .req { color: var(--accent); }
input[type=text], input[type=search], input[type=email], input[type=tel], input[type=number], input[type=date], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: #fff; color: inherit;
}
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.pareja { display: flex; gap: 8px; align-items: center; }
.pareja span { color: var(--muted); }
.radios { display: flex; flex-wrap: wrap; gap: 10px; }
.radios label { font-weight: 500; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; cursor: pointer; margin: 0; flex: 1 1 220px; }
.radios label:has(input:checked) { border-color: var(--accent); background: var(--soft); }
.estampa { border: 1px dashed var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; background: #fffdfb; }
.estampa-cab { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.estampa-cab h3 { margin: 0; font-size: 1rem; }
.zona-archivo { border: 2px dashed var(--line); border-radius: 10px; padding: 16px; text-align: center; color: var(--muted); cursor: pointer; transition: .15s; }
.zona-archivo:hover, .zona-archivo.arrastrando { border-color: var(--accent); background: var(--soft); }
.zona-archivo input { display: none; }
.previews { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; justify-content: center; }
.previews figure { margin: 0; width: 96px; text-align: center; font-size: .75rem; word-break: break-all; position: relative; }
.previews img, .previews .doc { width: 96px; height: 96px; object-fit: contain; background: #f1eee9; border-radius: 8px; display: grid; place-items: center; font-weight: 700; color: var(--muted); }
.previews button { position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%; border: 0; background: var(--text); color: #fff; cursor: pointer; line-height: 1; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 8px; padding: 12px 20px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primario { background: var(--accent); color: #fff; }
.btn-primario:hover { background: var(--accent-dark); }
.btn-primario:disabled { opacity: .6; cursor: wait; }
.btn-sec { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn-sec:hover { border-color: var(--text); }
.btn-chico { padding: 6px 12px; font-size: .85rem; }
.btn-link { background: none; border: 0; color: var(--error); cursor: pointer; font: inherit; font-size: .9rem; }
.acciones { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }
.alerta { border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; }
.alerta.error { background: #fdecea; color: var(--error); }
.alerta ul { margin: 6px 0 0; padding-left: 20px; }
.exito { text-align: center; padding: 40px 20px; }
.exito .codigo { font-size: 1.6rem; font-weight: 800; color: var(--accent); letter-spacing: .02em; }
.oculto { display: none !important; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 520px) { .tarjeta { padding: 16px; } .acciones .btn { width: 100%; } }