/* ==========================================================================
   WHANAU ERP - HOJA DE ESTILOS PARA ENCUESTA DE NUEVAS FUNCIONALIDADES
   Identidad visual: Raleway & Roboto | Tonos Azul Marino Corporativo & Cian
   ========================================================================== */

:root {
  /* Paleta Corporativa Whanau */
  --whanau-navy-dark: #001035;
  --whanau-navy: #001a5a;
  --whanau-navy-light: #0d2b7a;
  --whanau-blue: #1e40af;
  --whanau-blue-hover: #1d4ed8;
  --whanau-cyan: #00a3e0;
  --whanau-cyan-light: #e0f2fe;
  --whanau-cyan-glow: rgba(0, 163, 224, 0.25);
  
  /* Neutrales */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --border-focus: #00a3e0;
  
  /* Estados */
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Sombras y Efectos */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 26, 90, 0.08), 0 2px 4px -2px rgba(0, 26, 90, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0, 26, 90, 0.1), 0 4px 6px -4px rgba(0, 26, 90, 0.05);
  --shadow-hover: 0 20px 30px -5px rgba(0, 26, 90, 0.15), 0 8px 10px -6px rgba(0, 26, 90, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  color: var(--whanau-navy);
  line-height: 1.25;
}

a {
  color: var(--whanau-cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--whanau-blue);
}

/* Header & Barra de Navegación */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 999;
  padding: 0.85rem 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-tagline {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--whanau-navy);
  letter-spacing: 1px;
  text-transform: uppercase;
  border-left: 2px solid var(--whanau-cyan);
  padding-left: 0.75rem;
  display: none;
}

@media (min-width: 768px) {
  .brand-tagline {
    display: block;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--whanau-navy);
  color: var(--whanau-navy);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.nav-btn-outline:hover {
  background-color: var(--whanau-navy);
  color: #ffffff;
  transform: translateY(-1px);
}

.nav-contact-badge {
  display: none;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (min-width: 992px) {
  .nav-contact-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--whanau-navy-dark) 0%, var(--whanau-navy) 60%, #173b82 100%);
  color: #ffffff;
  padding: 4.5rem 1.5rem 5.5rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 163, 224, 0.15) 0%, rgba(0, 26, 90, 0) 70%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 64, 175, 0.2) 0%, rgba(0, 26, 90, 0) 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 163, 224, 0.15);
  border: 1px solid rgba(0, 163, 224, 0.4);
  color: #38bdf8;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  animation: pulseBadge 2.5s infinite;
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.hero-title {
  color: #ffffff;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--whanau-cyan);
  background: linear-gradient(120deg, #38bdf8, #00a3e0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: #cbd5e1;
  max-width: 780px;
  margin: 0 auto 2rem;
  font-weight: 300;
  line-height: 1.7;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.hero-stat-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: var(--transition);
}

.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}

.hero-stat-number {
  font-family: 'Raleway', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--whanau-cyan);
  display: block;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: #e2e8f0;
  font-weight: 400;
}

/* Contenedor Principal */
.main-wrapper {
  max-width: 1080px;
  margin: -3rem auto 4rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}

/* Tarjetas y Secciones */
.card-section {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2.5rem;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.section-header {
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--whanau-cyan-light);
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--whanau-cyan);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--whanau-blue);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 0.35rem;
}

.section-title {
  font-size: 1.65rem;
  color: var(--whanau-navy);
  margin-bottom: 0.5rem;
}

.section-description {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Formulario: Datos de Cliente */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--whanau-navy);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.form-label .required {
  color: var(--danger);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--text-main);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px var(--whanau-cyan-glow);
}

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23001a5a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
  padding-right: 2.5rem;
  appearance: none;
}

/* Tarjetas de Funcionalidades */
.features-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.feature-item-card {
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-item-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 5px;
  background: var(--whanau-navy);
  transition: var(--transition);
}

.feature-item-card:hover {
  border-color: rgba(0, 163, 224, 0.5);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-item-card:hover::before {
  background: var(--whanau-cyan);
}

.feature-header-row {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--whanau-cyan-light), #ffffff);
  border: 1.5px solid rgba(0, 163, 224, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--whanau-navy);
  font-size: 1.6rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-item-card:hover .feature-icon-box {
  background: linear-gradient(135deg, var(--whanau-navy), var(--whanau-blue));
  color: #ffffff;
  transform: scale(1.05);
}

.feature-title-area {
  flex-grow: 1;
}

.feature-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--whanau-cyan);
  letter-spacing: 1px;
  margin-bottom: 0.2rem;
}

.feature-title {
  font-size: 1.3rem;
  color: var(--whanau-navy);
  margin-bottom: 0.3rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Beneficios destacados en lista */
.feature-benefits-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.benefit-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--whanau-navy);
  font-weight: 500;
}

.benefit-chip svg {
  color: var(--success);
  width: 14px;
  height: 14px;
}

/* Área de Votación / Encuesta por Feature */
.survey-action-box {
  background: var(--bg-card-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.survey-question-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--whanau-navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Opciones de Interés (Píldoras interactivas) */
.rating-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.6rem;
}

.rating-option {
  position: relative;
}

.rating-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.rating-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  height: 100%;
}

.rating-icon {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.rating-option input[type="radio"]:checked + .rating-label {
  background: var(--whanau-navy);
  color: #ffffff;
  border-color: var(--whanau-navy);
  box-shadow: 0 4px 10px rgba(0, 26, 90, 0.2);
  transform: translateY(-2px);
}

.rating-option:hover .rating-label {
  border-color: var(--whanau-cyan);
}

/* Switch / Opción de Demo */
.demo-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed #cbd5e1;
}

.demo-toggle-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--whanau-navy);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.demo-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.custom-checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--whanau-blue);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  outline: none;
  transition: var(--transition);
  background: #ffffff;
}

.custom-checkbox:checked {
  background-color: var(--whanau-navy);
  border-color: var(--whanau-navy);
}

.custom-checkbox:checked::after {
  content: '✓';
  position: absolute;
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.custom-checkbox-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
}

/* Sección de Preguntas Generales y Feedback */
.nps-container {
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  margin: 1rem 0;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.nps-item {
  flex: 1;
  min-width: 36px;
  text-align: center;
}

.nps-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.nps-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  background: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--whanau-navy);
  cursor: pointer;
  transition: var(--transition);
}

.nps-item input[type="radio"]:checked + .nps-btn {
  background: linear-gradient(135deg, var(--whanau-navy), var(--whanau-cyan));
  color: #ffffff;
  border-color: transparent;
  transform: scale(1.08);
  box-shadow: 0 4px 10px rgba(0, 163, 224, 0.3);
}

.nps-item:hover .nps-btn {
  border-color: var(--whanau-cyan);
}

.nps-legends {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Botón de Envío Principal */
.submit-container {
  text-align: center;
  margin-top: 2.5rem;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--whanau-navy) 0%, var(--whanau-blue) 100%);
  color: #ffffff;
  font-family: 'Raleway', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 1.15rem 3rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 26, 90, 0.3);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-submit:hover {
  background: linear-gradient(135deg, var(--whanau-navy-light) 0%, var(--whanau-blue-hover) 100%);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0, 26, 90, 0.4);
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: rotate(30deg);
  transition: all 0.7s;
}

.btn-submit:hover::after {
  left: 100%;
}

.submit-caption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Modal de Agradecimiento / Éxito */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 16, 53, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 560px;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-icon-success {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  60% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); }
}

.modal-title {
  font-size: 1.75rem;
  color: var(--whanau-navy);
  margin-bottom: 0.75rem;
}

.modal-text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-whatsapp-modal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: #25d366;
  color: #ffffff;
  font-weight: 700;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.btn-whatsapp-modal:hover {
  background-color: #128c7e;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-close-modal {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--whanau-navy);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.btn-close-modal:hover {
  background: #e2e8f0;
}

/* Footer Institucional */
.footer {
  background: var(--whanau-navy-dark);
  color: #ffffff;
  padding: 4rem 1.5rem 2rem;
  border-top: 4px solid var(--whanau-cyan);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand-info p {
  color: #94a3b8;
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 400px;
  line-height: 1.6;
}

.footer-heading {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--whanau-cyan);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  color: var(--whanau-cyan);
  flex-shrink: 0;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-list a {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links-list a:hover {
  color: var(--whanau-cyan);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-bottom a {
  color: #94a3b8;
}

.footer-bottom a:hover {
  color: var(--whanau-cyan);
}

/* Botón flotante de WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

/* Animaciones y utilitarios */
.fade-in {
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}