:root{--azul: #2563eb;--morado: #7c3aed;--degradado: linear-gradient(135deg, var(--azul), var(--morado));--degradado-hover: linear-gradient(135deg, #1d4ed8, #6d28d9);--degradado-suave: linear-gradient(160deg, #eff6ff 0%, #dbeafe 55%, #93c5fd 100%);--gris-borde: #e0dcf0;--texto: #1f2430;--error: #b91c1c;--exito: #15803d;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--texto)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--degradado-suave);background-attachment:fixed}h1{font-size:1.4rem;margin:0 0 .25rem}h2{font-size:1.05rem;margin:0 0 .75rem;color:var(--morado)}.subtitulo{margin:0 0 1.25rem;color:#6b7280}.pantalla-centrada{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.tarjeta{background:#fff;border:1px solid var(--gris-borde);border-radius:14px;padding:2rem;width:100%;max-width:360px;box-shadow:0 10px 30px -12px #7c3aed40;position:relative;overflow:hidden}.tarjeta:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--degradado)}.tarjeta-ancha{max-width:480px}.tarjeta h1{background-image:var(--degradado);background-clip:text;-webkit-background-clip:text;color:transparent;display:inline-block}.tarjeta label{display:block;margin-bottom:1rem;font-size:.9rem}.tarjeta input[type=text],.tarjeta input[type=email],.tarjeta input[type=password]{display:block;width:100%;margin-top:.35rem;padding:.55rem .65rem;border:1px solid var(--gris-borde);border-radius:8px;font-size:.95rem}.tarjeta input[type=text]:focus,.tarjeta input[type=email]:focus,.tarjeta input[type=password]:focus{outline:none;border-color:var(--morado);box-shadow:0 0 0 3px #7c3aed26}fieldset{border:1px solid var(--gris-borde);border-radius:8px;margin:0 0 1rem;padding:.75rem 1rem}legend{color:var(--morado);font-weight:600;font-size:.85rem}.opcion-obra{display:flex;align-items:center;gap:.5rem;font-weight:400}button{background:var(--degradado);color:#fff;border:none;border-radius:8px;padding:.6rem 1.1rem;font-size:.95rem;cursor:pointer;transition:transform .1s ease,box-shadow .15s ease}button:hover{background:var(--degradado-hover);box-shadow:0 4px 14px -4px #7c3aed80}button:active{transform:translateY(1px)}button:disabled{opacity:.6;cursor:default;box-shadow:none}.error{color:var(--error);font-size:.9rem}.exito{color:var(--exito);font-size:.9rem}.lista-obras{list-style:none;padding:0;margin:0 0 1.5rem}.lista-obras li{padding:.6rem 0;border-bottom:1px solid var(--gris-borde)}.lista-obras a{color:var(--morado);text-decoration:none;font-weight:600}.pagina-obra{max-width:900px;margin:0 auto;padding:1.5rem}.encabezado-obra{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.encabezado-obra h1{background-image:var(--degradado);background-clip:text;-webkit-background-clip:text;color:transparent;display:inline-block}.acciones-encabezado{display:flex;align-items:center;gap:1rem}.acciones-encabezado a{color:var(--morado);font-weight:600}section{background:#fff;border:1px solid var(--gris-borde);border-radius:14px;padding:1.25rem;margin-bottom:1.5rem;box-shadow:0 8px 24px -16px #2563eb33}.foto-destacada{text-align:center}.foto{width:100%;max-width:500px;border-radius:8px;display:block;margin:0 auto}.link-descarga{display:inline-block;margin-top:.5rem;font-size:.85rem;color:var(--morado);font-weight:600;text-decoration:none}.link-descarga:hover{text-decoration:underline}.filtros-fecha{display:flex;align-items:flex-end;gap:1rem;margin-bottom:1rem}.filtros-fecha label{display:flex;flex-direction:column;font-size:.85rem;gap:.3rem}.grilla-fotos{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.grilla-fotos figure{margin:0}.grilla-fotos img{width:100%;border-radius:8px;display:block}.grilla-fotos figcaption{font-size:.75rem;color:#6b7280;margin-top:.25rem}.botones-video{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.instruccion-mes{font-size:.8rem;color:#9ca3af;padding-left:.3rem}.opcion-mensual{display:flex;align-items:center;gap:.4rem;background:var(--degradado-suave);border:1px solid var(--gris-borde);border-radius:8px;padding:.3rem .4rem}.opcion-mensual input{padding:.4rem;border:1px solid var(--gris-borde);border-radius:6px;background:#fff}.video-destacado{text-align:center}.video{width:100%;max-width:700px;border-radius:8px;display:block;margin:0 auto}