/* ===========================
   VARIABLES
=========================== */
:root {
  --azul-oscuro: #1a3a5c;
  --azul-medio: #2563a8;
  --azul-claro: #e8f2ff;
  --azul-acento: #3b82f6;
  --blanco: #ffffff;
  --gris-claro: #f0f5fc;
  --gris-texto: #4a5568;
  --gris-suave: #e2eaf5;
  --negro: #1a202c;
  --acento: #2563a8;
  --acento2: #3b82f6;
}

/* ===========================
   BASE
=========================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background-color: var(--gris-claro);
  color: var(--negro);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
}

/* ===========================
   HEADER
=========================== */
header {
  position: relative;
  padding: 32px 40px 40px;
  overflow: hidden;
  background: var(--blanco);
  border-bottom: 4px solid var(--azul-acento);
  box-shadow: 0 2px 20px rgba(37,99,168,0.08);
}

header::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.logo-area { margin-bottom: 8px; }
.logo-img { height: 120px; width: auto; }
.tagline { font-size: 14px; color: var(--azul-medio); letter-spacing: 2px; }

/* ===========================
   HERO COTIZADOR
=========================== */
.cotizador-section {
  padding: 100px 40px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.section-label {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--azul-acento);
  margin-bottom: 12px;
}

.section-title {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
  color: var(--azul-oscuro);
}

.section-desc {
  font-size: 16px;
  color: var(--gris-texto);
  margin-bottom: 40px;
}

.btn-abrir-modal {
  display: inline-block;
  padding: 18px 48px;
  background: var(--azul-acento);
  color: var(--blanco);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(59,130,246,0.3);
}

.btn-abrir-modal:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(59,130,246,0.4);
}

/* ===========================
   SERVICIOS
=========================== */
.servicios-section {
  padding: 80px 40px;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--gris-suave);
}

.servicios-section .section-title {
  font-size: clamp(26px, 4vw, 42px);
  margin-bottom: 40px;
  text-align: left;
}

.servicios-section .section-label { text-align: left; }

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.servicio-card {
  background: var(--blanco);
  border: 1px solid var(--gris-suave);
  border-radius: 16px;
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  cursor: default;
  text-decoration: none;
  display: block;
  color: inherit;
}

.servicio-card:hover {
  border-color: var(--azul-acento);
  box-shadow: 0 8px 30px rgba(59,130,246,0.12);
  transform: translateY(-4px);
}

.servicio-icon { font-size: 36px; margin-bottom: 16px; }

.servicio-nombre {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--azul-oscuro);
}

.servicio-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gris-texto);
}

/* ===========================
   MODAL
=========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,58,92,0.5);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.abierto {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--blanco);
  border: 1px solid var(--gris-suave);
  border-radius: 24px;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(30px) scale(0.97);
  transition: transform 0.3s;
  box-shadow: 0 20px 60px rgba(37,99,168,0.15);
}

.modal-overlay.abierto .modal { transform: translateY(0) scale(1); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 28px 28px 0;
}

.modal-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--azul-acento);
  margin-bottom: 6px;
}

.modal-titulo {
  font-family: 'DM Sans', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--azul-oscuro);
}

.btn-cerrar {
  background: var(--gris-claro);
  border: 1px solid var(--gris-suave);
  color: var(--gris-texto);
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}

.btn-cerrar:hover { background: var(--gris-suave); }

.modal-body { padding: 24px 28px 28px; }

/* PASOS */
.pasos {
  display: flex;
  margin-bottom: 28px;
  border: 1px solid var(--gris-suave);
  border-radius: 12px;
  overflow: hidden;
}

.paso {
  flex: 1;
  padding: 14px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gris-claro);
  border-right: 1px solid var(--gris-suave);
  transition: background 0.3s;
}

.paso:last-child { border-right: none; }
.paso.activo { background: var(--azul-claro); }

.paso-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--gris-suave);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
  color: var(--gris-texto);
  flex-shrink: 0;
  transition: all 0.3s;
}

.paso.activo .paso-num {
  border-color: var(--azul-acento);
  color: var(--blanco);
  background: var(--azul-acento);
}

.paso-label { font-size: 12px; color: var(--gris-texto); transition: color 0.3s; }
.paso.activo .paso-label { color: var(--azul-oscuro); font-weight: 600; }

/* FORMULARIO */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gris-texto);
  font-weight: 600;
}

select, input[type="number"] {
  background: var(--gris-claro);
  border: 1.5px solid var(--gris-suave);
  border-radius: 10px;
  color: var(--negro);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.3s, background 0.3s;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  width: 100%;
}

select:focus, input[type="number"]:focus {
  border-color: var(--azul-acento);
  background: var(--azul-claro);
}

select option { background: var(--blanco); color: var(--negro); }
input[type="number"]::-webkit-inner-spin-button { opacity: 0.3; }

.select-wrapper { position: relative; }
.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--azul-acento);
  pointer-events: none;
}

.error-msg { font-size: 12px; color: #e53e3e; margin-top: 4px; display: none; }
.error-msg.visible { display: block; }

.btn-cotizar {
  width: 100%;
  padding: 16px;
  background: var(--azul-acento);
  color: var(--blanco);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 8px;
}

.btn-cotizar:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,0.3);
}

/* RESULTADO */
.resultado-card {
  margin-top: 24px;
  border: 1.5px solid var(--gris-suave);
  border-radius: 16px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s, transform 0.4s;
}

.resultado-card.visible { opacity: 1; transform: translateY(0); }

.resultado-header {
  background: var(--azul-claro);
  padding: 16px 22px;
  border-bottom: 1px solid var(--gris-suave);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.resultado-header h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--azul-oscuro);
}

.badge {
  background: var(--azul-acento);
  color: var(--blanco);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
}

.resultado-body { padding: 20px 22px; }

.detalle-linea {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gris-suave);
  font-size: 14px;
  color: var(--gris-texto);
}

.detalle-linea:last-child { border-bottom: none; }
.detalle-linea strong { color: var(--azul-oscuro); font-weight: 700; }

.total-area {
  padding: 18px 22px;
  background: var(--azul-claro);
  border-top: 1px solid var(--gris-suave);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.total-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gris-texto);
  font-weight: 600;
}

.total-precio {
  font-family: 'DM Sans', sans-serif;
  font-size: 38px;
  font-weight: 900;
  color: var(--azul-acento);
}

.precio-unitario { font-size: 12px; color: var(--gris-texto); margin-top: 4px; }

/* ===========================
   UBICACIÓN
=========================== */
.ubicacion-section {
  padding: 80px 40px;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--gris-suave);
}

.ubicacion-section .section-title {
  font-size: clamp(26px, 4vw, 42px);
  margin-bottom: 40px;
}

.ubicacion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--blanco);
  border: 1px solid var(--gris-suave);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.info-card:hover {
  border-color: var(--azul-acento);
  box-shadow: 0 8px 30px rgba(59,130,246,0.1);
}

a.info-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.info-card:hover { border-color: var(--azul-acento); }

.info-link-hint {
  font-size: 10px;
  color: var(--azul-acento);
  letter-spacing: 1px;
  text-transform: none;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
}

.info-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }

.info-titulo {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--azul-acento);
  margin-bottom: 10px;
  font-weight: 700;
}

.info-texto { font-size: 15px; line-height: 1.8; color: var(--gris-texto); }
.cerrado { color: #a0aec0; font-size: 13px; }

/* MAPA */
.mapa-container {
  margin-top: 40px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--gris-suave);
  box-shadow: 0 8px 32px rgba(37,99,168,0.08);
}

.mapa-container iframe {
  width: 100%;
  height: 380px;
  display: block;
  border: 0;
}

/* ===========================
   FOOTER
=========================== */
footer {
  padding: 40px;
  border-top: 1px solid var(--gris-suave);
  text-align: center;
  font-size: 13px;
  color: var(--gris-texto);
  letter-spacing: 1px;
  background: var(--blanco);
}

footer span { color: var(--azul-acento); font-weight: 700; }

/* ===========================
   WHATSAPP FLOTANTE
=========================== */
.btn-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.btn-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}

/* ===========================
   UPLOAD ZONA COLOR
=========================== */
.color-upload-zone { margin-bottom: 8px; }

.upload-box {
  border: 2px dashed var(--gris-suave);
  border-radius: 12px;
  padding: 32px 20px;
  text-align: center;
  transition: border-color 0.3s, background 0.3s;
  cursor: pointer;
  background: var(--gris-claro);
  position: relative;
}

.upload-box:hover {
  border-color: var(--azul-acento);
  background: var(--azul-claro);
}

.upload-box input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon { font-size: 36px; margin-bottom: 10px; }
.upload-titulo {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--azul-oscuro);
}
.upload-desc { font-size: 12px; color: var(--gris-texto); margin-bottom: 16px; }

.btn-upload {
  display: inline-block;
  padding: 10px 28px;
  background: transparent;
  border: 1.5px solid var(--azul-acento);
  color: var(--azul-acento);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
  position: relative;
  z-index: 2;
}

.btn-upload:hover {
  background: var(--azul-acento);
  color: var(--blanco);
}

.archivo-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--azul-claro);
  border: 1px solid var(--gris-suave);
  border-radius: 10px;
  padding: 14px 18px;
  gap: 12px;
}

.archivo-nombre { font-size: 14px; color: var(--azul-oscuro); word-break: break-all; flex: 1; }

.btn-quitar {
  background: transparent;
  border: 1px solid var(--gris-suave);
  color: var(--gris-texto);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.btn-quitar:hover { border-color: #e53e3e; color: #e53e3e; }

/* ESTADO ANALIZANDO */
.analizando-estado {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  padding: 16px;
  background: var(--azul-claro);
  border: 1px solid var(--gris-suave);
  border-radius: 10px;
  margin-top: 8px;
}

.spinner {
  width: 22px; height: 22px;
  border: 2.5px solid var(--gris-suave);
  border-top-color: var(--azul-acento);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

.analizando-texto { font-size: 14px; color: var(--gris-texto); }

/* DESGLOSE COLOR */
.desglose-color {
  padding: 16px 22px;
  border-top: 1px solid var(--gris-suave);
  background: var(--gris-claro);
}

.desglose-titulo {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gris-texto);
  margin-bottom: 12px;
  font-weight: 700;
}

.desglose-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--gris-suave);
  font-size: 13px;
}

.desglose-item:last-child { border-bottom: none; }
.desglose-pagina { color: var(--gris-texto); white-space: nowrap; }

.desglose-pct {
  font-size: 11px;
  background: var(--azul-claro);
  color: var(--azul-acento);
  padding: 2px 8px;
  border-radius: 20px;
  text-align: center;
  justify-self: start;
  font-weight: 600;
}

.desglose-precio { color: var(--azul-oscuro); font-weight: 700; white-space: nowrap; }

.desglose-izq { display: flex; flex-direction: column; gap: 2px; }
.desglose-ejemplo { font-size: 11px; color: var(--gris-texto); font-style: italic; }

/* NOTA PDF */
.nota-pdf {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  background: var(--azul-claro);
  border: 1px solid var(--gris-suave);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gris-texto);
}

.nota-icono { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.nota-pdf strong { color: var(--azul-oscuro); }
.nota-pdf em { color: var(--azul-acento); font-style: normal; }

/* WHATSAPP COTIZACIÓN */
.whatsapp-cotizacion {
  padding: 16px 22px;
  border-top: 1px solid var(--gris-suave);
}

.btn-whatsapp-cotizacion {
  width: 100%;
  padding: 14px;
  background: #25d366;
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.2s, transform 0.2s;
}

.btn-whatsapp-cotizacion:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
}

/* ===========================
   BREADCRUMB
=========================== */
.breadcrumb {
  padding: 16px 40px;
  font-size: 13px;
  color: var(--gris-texto);
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb a { color: var(--azul-acento); text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ===========================
   SERVICIO DETALLE
=========================== */
.servicio-detalle-section {
  padding: 60px 40px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.servicio-detalle-hero {
  text-align: center;
  margin-bottom: 60px;
}

.servicio-detalle-icon { font-size: 64px; margin-bottom: 20px; }

.servicio-detalle-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--gris-texto);
  max-width: 650px;
  margin: 0 auto;
}

.servicio-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--blanco);
  border: 1px solid var(--gris-suave);
  border-radius: 16px;
  padding: 32px 24px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: var(--azul-acento);
  box-shadow: 0 8px 30px rgba(59,130,246,0.1);
  transform: translateY(-4px);
}

.feature-icon { font-size: 40px; margin-bottom: 16px; }

.feature-titulo {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--azul-oscuro);
}

.feature-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gris-texto);
}

.servicio-card.clickeable { cursor: pointer; }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 700px) {
  header { padding: 28px 24px 32px; }
  .cotizador-section, .servicios-section, .ubicacion-section { padding: 60px 24px; }
  .servicios-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .pasos { flex-direction: column; }
  .paso { border-right: none; border-bottom: 1px solid var(--gris-suave); }
  .paso:last-child { border-bottom: none; }
  .ubicacion-grid { grid-template-columns: 1fr; }
  .modal-header, .modal-body { padding-left: 20px; padding-right: 20px; }
  .servicio-features-grid { grid-template-columns: 1fr; }
  .breadcrumb { padding: 16px 24px; }
  .servicio-detalle-section { padding: 40px 24px 60px; }
}

@media (max-width: 480px) {
  .servicios-grid { grid-template-columns: 1fr; }
  .servicio-features-grid { grid-template-columns: 1fr; }
}