h1{font-size:3rem;margin-bottom:.5rem}p{font-size:1.2rem;max-width:700px;margin:0 auto 2rem}.plan-card{background-color:#ffffff1a;border:1px solid rgba(255,255,255,.3);border-radius:16px;padding:2rem;width:280px;box-shadow:0 0 12px #0006;transition:transform .3s,background .3s;cursor:pointer}.plan-card:hover{transform:translateY(-5px);background-color:#ffffff26}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:#fff;color:#333;padding:30px 24px;border-radius:12px;width:90%;max-width:500px;box-shadow:0 8px 20px #0000004d;position:relative;box-sizing:border-box;transition:all .3s ease-in-out}.dark-mode .modal-content{background-color:#1f2937;color:#f3f4f6}.modal-content h2{margin-top:0;margin-bottom:24px;font-size:24px;text-align:center;color:#10b981}.close{position:absolute;top:16px;right:24px;font-size:24px;cursor:pointer;color:#999}input,select{width:100%;padding:12px;margin-bottom:16px;border-radius:8px;border:1px solid #ccc;font-size:1rem;box-sizing:border-box;background-color:#f9f9f9;color:#333;transition:border-color .3s}.dark-mode input,.dark-mode select{background-color:#374151;border:1px solid #4b5563;color:#f9fafb}input:focus,select:focus{border-color:#10b981;outline:none}.telefono-group{display:flex;gap:8px}.telefono-group select{flex:1}.telefono-group input{flex:2}.fecha-inicio-group{margin-bottom:1rem}.fecha-inicio-group label{display:block;margin-bottom:6px;font-size:.9rem;color:#666}.dark-mode .fecha-inicio-group label{color:#d1d5db}.resumen-calculo{background-color:#f5f5f5;padding:16px;border-radius:8px;margin-top:16px;font-size:.95rem}.dark-mode .resumen-calculo{background-color:#374151;color:#e5e7eb}.info-linea{margin:6px 0;display:flex;justify-content:space-between;color:#444}.dark-mode .info-linea{color:#f3f4f6}button[type=submit]{width:100%;background-color:#10b981;color:#fff;padding:14px;font-size:1rem;border:none;border-radius:8px;cursor:pointer;transition:background-color .2s ease-in-out}button[type=submit]:hover{background-color:#0e9f6e}.input-error{border:1px solid #ef4444;background-color:#fef2f2}.form-container{max-width:600px;margin:2rem auto;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 6px 18px #0000001a;font-family:sans-serif;color:#1f2937}.form-container h2{font-size:1.5rem;margin-bottom:1.2rem;color:#10b981;text-align:center}.fecha-linea{display:flex;gap:1rem;margin-bottom:1rem}.fecha-linea>div{flex:1}.subseccion{background-color:#f9fafb;padding:1.2rem;border-radius:10px;margin-top:2rem;margin-bottom:1rem;border:1px solid #e5e7eb}.subseccion h3{margin-bottom:1rem;font-size:1.2rem;color:#10b981}.campo-horizontal{display:flex;align-items:center;margin-bottom:1rem;gap:1rem}.campo-horizontal label{width:200px;font-weight:600;text-align:right}.campo-horizontal input,.campo-horizontal select{flex:1;padding:.6rem;border:1px solid #ccc;border-radius:8px;background-color:#f9fafb;font-size:1rem}.form-container button{width:100%;background-color:#10b981;color:#fff;padding:.8rem;font-size:1rem;border:none;border-radius:8px;cursor:pointer;margin-top:1rem;transition:background-color .3s ease-in-out}.form-container button:hover{background-color:#0e9f6e}.error{color:#dc2626;text-align:center;margin-top:1rem}.success{color:#16a34a;text-align:center;margin-top:1rem}.loading{text-align:center;margin-top:1rem}@media (prefers-color-scheme: dark){.form-container{background-color:#1f2937;color:#f3f4f6;box-shadow:0 6px 18px #ffffff0d}.form-container input,.form-container select{background-color:#374151;border:1px solid #4b5563;color:#f9fafb}.form-container input:disabled{background-color:#4b5563}.form-container button{background-color:#10b981;color:#fff}.form-container button:hover{background-color:#059669}.subseccion{background-color:#374151;border-color:#4b5563}.subseccion h3{color:#6ee7b7}.error{color:#f87171}.success{color:#6ee7b7}}@media (max-width: 640px){.campo-horizontal{flex-direction:column;align-items:stretch}.campo-horizontal label{width:100%!important;text-align:left;margin-bottom:.3rem}.campo-horizontal input,.campo-horizontal select{width:100%}.fecha-linea{flex-direction:column}}body{margin:0;font-family:Segoe UI,sans-serif;background:linear-gradient(to bottom,#0f2027,#203a43,#2c5364);color:#fff;text-align:center;padding:2rem}h1,h2,h3{margin:.5rem 0}.planes{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;margin-top:3rem}.calculadora{background-color:#ffffff10;border:1px solid #ffffff30;border-radius:12px;padding:2rem;max-width:600px;margin:2rem auto;box-shadow:0 0 10px #00000040;text-align:center}.calculadora-form{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:1rem}.calculadora-form input,.calculadora-form select{padding:.8rem;border-radius:8px;border:none;font-size:1rem;min-width:180px}.resultado{margin-top:1.5rem;background-color:#ffffff20;padding:1rem;border-radius:10px;font-size:1.1rem}.resultado p{margin:.4rem 0}strong{color:#00e6b8}.btn-solicitar{background-color:#00c896;color:#fff;padding:.8rem 1.5rem;font-size:1rem;border:none;border-radius:10px;cursor:pointer;margin-top:1rem;transition:transform .2s ease,background-color .3s ease}.btn-solicitar:hover{background-color:#00a87a;transform:scale(1.05)}.animado{animation:pulse 1.5s infinite}@keyframes pulse{0%{box-shadow:0 0 #00c89666}70%{box-shadow:0 0 0 10px #00c89600}to{box-shadow:0 0 #00c89600}}.calculadora-row{display:flex;gap:16px;margin-bottom:16px}.calculadora-row input,.calculadora-row select{flex:1;padding:12px;border-radius:8px;border:1px solid #ccc;font-size:1rem;box-sizing:border-box}.dark-mode .calculadora-row input,.dark-mode .calculadora-row select{background-color:#374151;color:#f9fafb;border:1px solid #4b5563}.input-claro{background-color:#fff!important;color:#111827!important;border:1px solid #d1d5db}.calculadora-row{display:flex;gap:12px}@media (max-width: 640px){.calculadora-row{flex-direction:column}}