/* ========================================
   VARIABLES CSS - Sistema de Diseño
   ======================================== */

:root {
  /* Colores Principales */
  --color-primary: #df0072;        /* Rosa magenta - primario */
  --color-secondary: #ffffff;      /* Blanco */
  --color-tertiary: #ff5863;       /* Coral */

  /* Colores por Plan */
  --color-plan-a1: #df0072;        /* Rosa base */
  --color-plan-a2: #ff0168;        /* Rosa intenso */
  --color-plan-a4: #a42861;        /* Púrpura */
  --color-plan-a5: #a22988;        /* Púrpura oscuro */

  /* Grises y Neutrales */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-900: #111827;

  /* Tipografía */
  --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 48px;

  /* Espaciado */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transiciones */
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.15s ease;

  /* Container */
  --container-max-width: 1200px;
}

/* ========================================
   RESET Y BASE
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-plan-a4);
}

/* ========================================
   UTILIDADES
   ======================================== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-900);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
  color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-secondary);
}

.btn-lg {
  padding: 16px 48px;
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn-plan {
  background: var(--color-secondary);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  width: 100%;
}

.btn-plan:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
}

/* ========================================
   HEADER
   ======================================== */

.header {
  background: var(--color-secondary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo-img {
  height: 50px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

.nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-gray-700);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-gray-100);
  color: var(--color-primary);
}

/* ========================================
   HERO SECTION con Formulario
   ======================================== */

.hero {
  background-image: url('../images/banner_principal.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: var(--spacing-xl) 0;
  position: relative;
  min-height: 480px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(223, 0, 114, 0.85), rgba(164, 40, 97, 0.85));
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

/* FORMULARIO A LA IZQUIERDA */
.hero-form {
  position: relative;
  z-index: 2;
}

.form-card-hero {
  background: var(--color-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
}

/* TABS */
.form-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-200);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-500);
  cursor: pointer;
  transition: var(--transition-fast);
  margin-bottom: -2px;
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* TEXTO A LA DERECHA */
.hero-text {
  color: var(--color-secondary);
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-discount {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* Hero Badges/Pastillas */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--font-size-base);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: var(--transition-base);
}

.hero-badge-primary {
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-badge-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-secondary);
  border: 2px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-size: 18px;
  font-weight: bold;
}

.badge-text {
  line-height: 1.2;
}

/* ========================================
   SANATORIOS SECTION
   ======================================== */

.sanatorios {
  padding: var(--spacing-2xl) 0;
  background: var(--color-secondary);
}

.sanatorio-card {
  background: #df0072e6;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-gray-200);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.sanatorio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.sanatorio-logo {
  max-width: 100%;
  max-height: 70px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: var(--transition-base);
}

.sanatorio-card:hover .sanatorio-logo {
  transform: scale(1.05);
}

/* Legacy support for old img tags */
.sanatorio-card img {
  max-width: 100%;
  max-height: 70px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: var(--transition-base);
}

.sanatorio-placeholder-logo {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.sanatorio-placeholder {
  background: var(--color-gray-100);
  border: 2px dashed var(--color-gray-300);
}

.placeholder-icon {
  font-size: 48px;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-sm);
}

/* ========================================
   PRESTACIONES SECTION
   ======================================== */

.prestaciones {
  padding: var(--spacing-2xl) 0;
  background: var(--color-gray-50);
}

.prestaciones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.prestacion-card {
  background: var(--color-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.prestacion-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.prestacion-icon {
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.prestacion-icon svg {
  color: var(--color-primary);
  transition: var(--transition-base);
}

.prestacion-card:hover .prestacion-icon svg {
  transform: scale(1.1);
}

.prestacion-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.prestacion-card p {
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ========================================
   PLANES SECTION
   ======================================== */

.planes {
  padding: var(--spacing-2xl) 0;
  background: var(--color-secondary);
}

.planes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.plan-card {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  cursor: pointer;
  border: 3px solid transparent;
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.plan-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  position: relative;
}

.plan-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.plan-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: rgba(255,255,255,0.9);
}

/* Estilos específicos por plan */
.plan-a1 {
  border-color: var(--color-plan-a1);
}

.plan-a1 .plan-header {
  background: linear-gradient(135deg, var(--color-plan-a1), var(--color-tertiary));
  color: var(--color-secondary);
}

.plan-a1 .plan-badge {
  color: var(--color-plan-a1);
}

.plan-a2 {
  border-color: var(--color-plan-a2);
}

.plan-a2 .plan-header {
  background: linear-gradient(135deg, var(--color-plan-a2), var(--color-plan-a1));
  color: var(--color-secondary);
}

.plan-a2 .plan-badge {
  color: var(--color-plan-a2);
}

.plan-a4 {
  border-color: var(--color-plan-a4);
}

.plan-a4 .plan-header {
  background: linear-gradient(135deg, var(--color-plan-a4), var(--color-plan-a2));
  color: var(--color-secondary);
}

.plan-a4 .plan-badge {
  color: var(--color-plan-a4);
}

.plan-a5 {
  border-color: var(--color-plan-a5);
}

.plan-a5 .plan-header {
  background: linear-gradient(135deg, var(--color-plan-a5), var(--color-plan-a4));
  color: var(--color-secondary);
}

.plan-a5 .plan-badge {
  color: var(--color-plan-a5);
}

.plan-features {
  margin-bottom: var(--spacing-lg);
}

.feature {
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

/* ========================================
   SEGMENTACIÓN SECTION
   ======================================== */

.segmentacion {
  padding: var(--spacing-2xl) 0;
  background: var(--color-gray-50);
}

.segmentos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.segmento-card {
  background: var(--color-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.segmento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.segmento-icon {
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.segmento-icon svg {
  color: var(--color-primary);
  transition: var(--transition-base);
}

.segmento-card:hover .segmento-icon svg {
  transform: scale(1.1);
}

.segmento-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

/* ========================================
   FORMULARIOS SECTION
   ======================================== */

.formularios {
  padding: var(--spacing-2xl) 0;
  background: var(--color-secondary);
}

.forms-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.form-card {
  background: var(--color-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
}

.form-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: var(--transition-fast);
  background: var(--color-secondary);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(223, 0, 114, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: #dc2626;
}

.error-message {
  display: none;
  color: #dc2626;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.form-group.has-error .error-message {
  display: block;
}

.form-disclaimer {
  font-size: 12px;
  color: var(--color-gray-500);
  text-align: center;
  margin-top: var(--spacing-md);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
}

.footer-regulatory {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.footer-regulatory a {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-disclaimer {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.footer-copyright {
  font-size: 12px;
  color: var(--color-gray-500);
}

/* ========================================
   PÁGINA DE AGRADECIMIENTO
   ======================================== */

.thankyou-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-plan-a4));
  padding: var(--spacing-md);
}

.thankyou-card {
  background: var(--color-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: center;
  max-width: 600px;
}

.thankyou-icon {
  width: 80px;
  height: 80px;
  background: var(--color-primary);
  color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  margin: 0 auto var(--spacing-lg);
}

.thankyou-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

.thankyou-message {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.thankyou-info {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
}

/* ========================================
   BOTÓN FLOTANTE DE WHATSAPP
   ======================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 9999;
  transition: var(--transition-base);
  animation: pulse 2s infinite;
}

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

.whatsapp-float svg {
  width: 35px;
  height: 35px;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8);
  }
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 36px;
    --font-size-2xl: 28px;
    --spacing-3xl: 64px;
    --spacing-2xl: 48px;
  }

  .nav {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero-form {
    order: 1;
  }

  .hero-text {
    order: 2;
    text-align: center;
  }

  .form-card-hero {
    max-width: 100%;
  }

  .forms-container {
    grid-template-columns: 1fr;
  }

  .prestaciones-grid,
  .planes-grid,
  .segmentos-grid {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    width: 55px;
    height: 55px;
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --font-size-3xl: 28px;
    --font-size-2xl: 24px;
    --font-size-xl: 20px;
    --spacing-xl: 32px;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: auto;
  }

  .hero-content {
    gap: var(--spacing-md);
  }

  .form-card {
    padding: var(--spacing-md);
  }

  .form-card-hero {
    padding: var(--spacing-md);
  }

  .hero-badges {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-badge {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .forms-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 15px;
    right: 15px;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ========================================
   ANIMACIONES
   ======================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Loading states */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.6s linear infinite;
}

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