/* ========================================
   Suop - Calculadora de Ahorro Inteligente
   Modern Dark Theme with Glassmorphism
   ======================================== */

/* === CSS Variables & Design System === */
:root {
  /* Color System - Dark Theme */
  --primary-yellow: #FFD700;
  --primary-yellow-dark: #E6C200;
  --primary-yellow-light: #FFEB3B;
  
  /* Dark Background System */
  --bg-dark: #000000;
  --bg-dark-secondary: #0a0a0a;
  --bg-dark-tertiary: #1a1a1a;
  --bg-dark-elevated: #2a2a2a;
  
  /* Text System */
  --text-primary: #FFFFFF;
  --text-secondary: #E0E0E0;
  --text-muted: #B0B0B0;
  --text-disabled: #808080;
  
  /* Success System (Green for Results) */
  --success-50: #F0FFF4;
  --success-400: #4ADE80;
  --success-500: #22C55E;
  --success-600: #16A34A;
  --success-700: #15803D;
  
  /* Warning and Error */
  --warning-500: #F59E0B;
  --error-500: #EF4444;
  
  /* Glassmorphism Colors */
  --glass-bg: rgba(26, 26, 26, 0.7);
  --glass-border: rgba(255, 215, 0, 0.2);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  
  /* Typography System */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing System (8px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows - Enhanced for Glassmorphism */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  
  --shadow-yellow: 0 0 20px rgba(255, 215, 0, 0.3);
  --shadow-yellow-lg: 0 0 30px rgba(255, 215, 0, 0.5);
  --shadow-green: 0 0 20px rgba(34, 197, 94, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base Styles === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-primary);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

/* Animated Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 90%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
  z-index: -1;
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* === Container System === */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

/* === App Layout === */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Glassmorphism Effect === */
.glass-effect {
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 215, 0, 0.1);
  position: relative;
}

.glass-card {
  background: rgba(26, 26, 26, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid rgba(255, 215, 0, 0.2);
  box-shadow: 
    0 8px 32px 0 rgba(0, 0, 0, 0.37),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.glass-card-mini {
  background: rgba(26, 26, 26, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 215, 0, 0.15);
}

.glass-result {
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

/* === Header === */
.header {
  padding: var(--space-12) 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--primary-yellow);
}

.header-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: glow 4s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  gap: var(--space-8);
}

.logo-container {
  flex: 1;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.logo-image {
  height: 3.5rem;
  width: auto;
  transition: var(--transition-normal);
  filter: brightness(1.1) contrast(1.1) drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
}

.logo-image:hover {
  transform: scale(1.05);
  filter: brightness(1.3) contrast(1.2) drop-shadow(0 0 15px rgba(255, 215, 0, 0.5));
}

.logo-tagline {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  margin-left: 0.5rem;
}

.header-image-wrapper {
  flex: 0 0 auto;
  position: relative;
}

.header-image-wrapper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150%;
  height: 150%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 60%);
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.header-img {
  width: 8rem;
  height: 8rem;
  border-radius: var(--radius-2xl);
  object-fit: cover;
  border: 3px solid var(--primary-yellow);
  box-shadow: 
    var(--shadow-yellow-lg),
    0 0 40px rgba(255, 215, 0, 0.3);
  transition: var(--transition-normal);
  background: var(--bg-dark-elevated);
  position: relative;
  z-index: 1;
}

.header-img:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 
    0 0 50px rgba(255, 215, 0, 0.7),
    0 0 80px rgba(255, 215, 0, 0.4);
}

/* === Hero Section === */
.hero {
  padding: var(--space-16) 0;
  text-align: center;
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
  position: relative;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--primary-yellow), var(--primary-yellow-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === Animations === */
.animate-fade-in {
  animation: fadeIn 0.8s ease-out;
}

.animate-fade-in-delay {
  animation: fadeIn 1s ease-out 0.2s both;
}

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

/* === Main Content === */
.main {
  flex: 1;
  padding: var(--space-20) 0;
}

.grid-layout {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .grid-layout {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
  }
}

/* === Card System === */
.card {
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-yellow), var(--primary-yellow-light), var(--primary-yellow));
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.card:hover {
  box-shadow: 
    0 8px 32px 0 rgba(0, 0, 0, 0.5),
    0 0 40px rgba(255, 215, 0, 0.2),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(255, 215, 0, 0.4);
}

.card-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--primary-yellow);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.card-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

/* === Material Icons === */
.material-icons {
  color: var(--text-primary) !important;
  font-size: 20px;
  font-weight: normal;
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  transition: var(--transition-fast);
}

.card-title .material-icons {
  color: var(--primary-yellow) !important;
  font-size: 24px;
}

.form-label .material-icons {
  font-size: 18px;
}

/* === Form System === */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-input {
  height: 3.5rem;
  padding: 0 var(--space-4);
  border: 2px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-normal);
  color: var(--text-primary);
  transition: var(--transition-fast);
  appearance: none;
}

.form-input[type="number"],
.form-input[type="text"] {
  background-image: none;
  padding-right: var(--space-4);
}

select.form-input {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23FFD700' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 3rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-yellow);
  box-shadow: 
    0 0 0 3px rgba(255, 215, 0, 0.2),
    0 0 20px rgba(255, 215, 0, 0.3);
  background-color: rgba(0, 0, 0, 0.7);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-help {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: var(--space-1);
}

/* === Checkbox System === */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: var(--transition-fast);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: rgba(255, 215, 0, 0.02);
}

.checkbox-label:hover {
  background: rgba(255, 215, 0, 0.1);
  color: var(--text-primary);
}

.checkbox {
  opacity: 0;
  position: absolute;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 215, 0, 0.4);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.5);
  position: relative;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.checkbox:checked + .checkbox-custom {
  background: var(--primary-yellow);
  border-color: var(--primary-yellow);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.checkbox:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.375rem;
  height: 0.625rem;
  border: solid var(--bg-dark);
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -60%) rotate(45deg);
}

.checkbox-text {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* === Button System === */
.btn-primary {
  height: 3.5rem;
  background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-yellow-dark) 100%);
  color: var(--bg-dark);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
  box-shadow: 
    var(--shadow-yellow),
    0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-primary .material-icons {
  color: var(--bg-dark) !important;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-yellow-light) 0%, var(--primary-yellow) 100%);
  transform: translateY(-2px);
  box-shadow: 
    0 0 40px rgba(255, 215, 0, 0.6),
    0 8px 20px rgba(255, 215, 0, 0.4);
}

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

.btn-cta {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-cta .material-icons {
  color: white !important;
  font-size: 18px;
}

.btn-cta:hover {
  background: linear-gradient(135deg, var(--success-600) 0%, var(--success-700) 100%);
  transform: translateY(-2px);
  box-shadow: 
    0 0 30px rgba(34, 197, 94, 0.5),
    0 6px 16px rgba(34, 197, 94, 0.4);
}

.btn-cta-small {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.btn-cta-small .material-icons {
  color: white !important;
  font-size: 14px;
}

.btn-cta-small:hover {
  background: linear-gradient(135deg, var(--success-600) 0%, var(--success-700) 100%);
  transform: translateY(-1px);
  box-shadow: 
    0 0 20px rgba(34, 197, 94, 0.4),
    0 4px 12px rgba(34, 197, 94, 0.3);
}

/* === Loading States === */
.loading {
  text-align: center;
  padding: var(--space-12);
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.loading-spinner {
  position: relative;
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid rgba(255, 215, 0, 0.2);
  border-top: 3px solid var(--primary-yellow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  color: var(--primary-yellow);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.loading-text .material-icons {
  color: var(--primary-yellow) !important;
}

/* === Results System === */
.results-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* === Best Option (Green Results) === */
.best-option {
  border: 2px solid var(--success-500);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 0 30px rgba(34, 197, 94, 0.2),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.best-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--success-500), var(--success-400), var(--success-500));
}

.best-option-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.best-badge {
  background: var(--success-500);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: 
    var(--shadow-md),
    0 0 20px rgba(34, 197, 94, 0.4);
}

.best-badge .material-icons {
  color: white !important;
  font-size: 18px;
}

.savings-amount {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--success-500);
  background: rgba(34, 197, 94, 0.15);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--success-500);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.savings-amount .material-icons {
  color: var(--success-500) !important;
}

.offer-card {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.offer-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 215, 0, 0.4);
}

.offer-card.recommended {
  border: 2px solid var(--success-500);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
}

.offer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.offer-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  flex: 1;
  min-width: 200px;
}

.offer-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  background: rgba(255, 215, 0, 0.15);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-yellow);
  backdrop-filter: blur(8px);
}

.price-amount {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-yellow);
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.price-period {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.offer-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

.offer-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.offer-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: var(--space-2) 0;
}

.offer-feature .material-icons {
  color: var(--success-500) !important;
  font-size: 16px;
  flex-shrink: 0;
}

.offer-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
}

/* === Comparison Chart === */
.comparison-section {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
}

.comparison-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.comparison-title .material-icons {
  color: var(--primary-yellow) !important;
  font-size: 24px;
}

.chart-container {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.chart-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.chart-bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.bar-label {
  min-width: 8rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
}

.bar-container {
  flex: 1;
  height: 2.5rem;
  background: rgba(26, 26, 26, 0.8);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 215, 0, 0.1);
}

.bar-fill {
  height: 100%;
  border-radius: var(--radius-lg);
  transition: width 600ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--space-3);
}

.bar-fill.recommended {
  background: linear-gradient(90deg, var(--success-500), var(--success-600));
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
}

.bar-fill.second {
  background: linear-gradient(90deg, var(--primary-yellow), var(--primary-yellow-dark));
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.bar-fill.third {
  background: linear-gradient(90deg, rgba(176, 176, 176, 0.6), rgba(128, 128, 128, 0.6));
}

.bar-value {
  min-width: 5rem;
  text-align: right;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

/* === Other Options === */
.other-options {
  margin-top: var(--space-6);
}

.options-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.options-title .material-icons {
  color: var(--primary-yellow) !important;
  font-size: 24px;
}

.offers-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.offer-summary {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.offer-summary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-yellow), var(--primary-yellow-light), var(--primary-yellow));
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.offer-summary:hover {
  border-color: var(--primary-yellow);
  box-shadow: 
    var(--shadow-md),
    0 0 20px rgba(255, 215, 0, 0.2);
  transform: translateY(-1px);
}

.offer-summary:hover::before {
  transform: scaleX(1);
}

.offer-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.offer-summary-name {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.offer-summary-price {
  font-weight: var(--font-weight-bold);
  color: var(--primary-yellow);
  font-size: var(--font-size-lg);
  background: rgba(255, 215, 0, 0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-yellow);
}

.offer-summary-desc {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.offer-summary-actions {
  display: flex;
  justify-content: flex-end;
}

/* === No Results === */
.no-results {
  text-align: center;
  padding: var(--space-12);
  color: var(--text-secondary);
}

.no-results-content {
  max-width: 400px;
  margin: 0 auto;
}

.no-results-icon .material-icons {
  font-size: 4rem !important;
  color: var(--primary-yellow) !important;
}

.no-results-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  margin-top: var(--space-4);
  font-family: var(--font-family-heading);
}

.no-results-text {
  line-height: 1.6;
  margin-bottom: var(--space-8);
  color: var(--text-secondary);
}

.feature-cards {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  min-width: 5rem;
  transition: var(--transition-normal);
  cursor: pointer;
}

.feature-card .material-icons {
  font-size: 2rem !important;
  color: var(--primary-yellow) !important;
}

.feature-card:hover {
  background: rgba(255, 215, 0, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.feature-card:hover .material-icons {
  transform: scale(1.1);
}

.feature-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  color: var(--text-primary);
}

/* === Social Media / Video Section === */
.social-video-section {
  padding: var(--space-20) 0;
  border-top: 1px solid var(--primary-yellow);
  position: relative;
}

.social-video-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-yellow);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.section-title .material-icons {
  font-size: 2.5rem !important;
  color: var(--primary-yellow) !important;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.video-embed-container {
  max-width: 600px;
  margin: 0 auto var(--space-12);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-muted);
  min-height: 300px;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-xl);
  border: 2px dashed rgba(255, 215, 0, 0.3);
  text-align: center;
}

.video-placeholder .material-icons {
  font-size: 3rem !important;
  color: var(--primary-yellow) !important;
}

.video-placeholder p {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.video-placeholder small {
  color: var(--text-muted);
  max-width: 400px;
}

/* Centrar correctamente el iframe de TikTok usando contenedor wrapper */
.tiktok-video-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 325px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.tiktok-video-wrapper .tiktok-embed {
  display: block !important;
  width: 325px !important;
  max-width: 100% !important;
  margin: 0 !important;
  border-radius: 0 !important;
}

/* Asegurar centrado perfecto en escritorio */
@media (min-width: 769px) {
  .video-placeholder {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
  }
  
  .tiktok-video-wrapper {
    display: block !important;
    margin: 0 auto !important;
    text-align: center !important;
  }
}

/* Ocultar placeholder visual cuando hay video activo */
.tiktok-embed-loaded ~ .video-placeholder .material-icons,
.tiktok-embed-loaded ~ .video-placeholder p,
.tiktok-embed-loaded ~ .video-placeholder small {
  display: none !important;
}

/* Estilos para cuando el iframe está cargado */
.tiktok-video-wrapper iframe {
  border-radius: var(--radius-lg) !important;
  overflow: hidden !important;
}

/* === Social Media Grid === */
.social-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.social-platform-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
  cursor: pointer;
}

.social-platform-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
  background: rgba(255, 215, 0, 0.15);
}

.social-platform-icon {
  width: 3rem;
  height: 3rem;
  color: var(--primary-yellow);
  transition: var(--transition-normal);
}

.social-platform-card:hover .social-platform-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5));
}

.social-platform-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--primary-yellow);
  padding: var(--space-8) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-top: auto;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo-image {
  height: 2rem;
  width: auto;
  filter: brightness(1.1) contrast(1.1);
}

.footer-tagline {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

/* === Social Media Icons in Footer === */
.social-media {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: rgba(26, 26, 26, 0.7);
  backdrop-filter: blur(10px);
  border: 2px solid var(--primary-yellow);
  border-radius: var(--radius-full);
  color: var(--primary-yellow);
  transition: var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary-yellow);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.social-icon {
  width: 1.5rem;
  height: 1.5rem;
  transition: var(--transition-fast);
}

.social-link:hover .social-icon {
  transform: scale(1.1);
}

.footer-text {
  color: var(--text-muted);
  line-height: 1.6;
}

/* === Utility Classes === */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

/* === Responsive Design - Enhanced for Mobile === */
@media (max-width: 1024px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }
  
  .header-image-wrapper {
    flex: none;
  }
  
  .logo-tagline {
    margin-left: 0;
  }

  .social-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .video-embed-container {
    margin: 0 auto var(--space-8);
  }
  
  /* Asegurar centrado del iframe de TikTok en móviles */
  .tiktok-video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    min-width: 280px !important;
  }
  
  .tiktok-video-wrapper .tiktok-embed {
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* === Tablet Styles === */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .logo-image {
    height: 2.5rem;
  }
  
  .header-img {
    width: 6rem;
    height: 6rem;
  }
  
  .main {
    padding: var(--space-12) 0;
  }
  
  .card {
    padding: var(--space-6);
  }
  
  .offer-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .best-option-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .offer-summary-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .bar-label {
    min-width: 4rem;
    font-size: var(--font-size-xs);
  }
  
  .chart-container {
    padding: var(--space-4);
  }
  
  .social-media {
    gap: var(--space-3);
  }
  
  .social-link {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .social-icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .social-links-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: var(--font-size-2xl);
    flex-direction: column;
  }
}

/* === Mobile First - Enhanced for 90% Mobile Audience === */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .card {
    padding: var(--space-4);
  }
  
  .main {
    padding: var(--space-8) 0;
  }
  
  /* Optimización adicional para iframe de TikTok en pantallas muy pequeñas */
  .tiktok-video-wrapper {
    max-width: 280px !important;
    width: 280px !important;
    min-width: 280px !important;
    margin: 0 auto !important;
  }
  
  .tiktok-video-wrapper .tiktok-embed {
    width: 280px !important;
    max-width: 280px !important;
  }
  
  .btn-primary {
    height: 3rem;
    font-size: var(--font-size-sm);
    padding: 0 var(--space-4);
  }
  
  .form-input {
    height: 3rem;
    font-size: var(--font-size-sm);
  }
  
  .price-amount {
    font-size: var(--font-size-2xl);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .video-placeholder {
    min-height: 200px;
    padding: var(--space-4);
  }
  
  .card-title {
    font-size: var(--font-size-xl);
  }
  
  .offer-name {
    font-size: var(--font-size-lg);
  }
  
  .offer-summary-name {
    font-size: var(--font-size-sm);
  }
  
  .offer-summary-price {
    font-size: var(--font-size-base);
  }
  
  .best-badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-3);
  }
  
  .savings-amount {
    font-size: var(--font-size-base);
    padding: var(--space-1) var(--space-3);
  }
  
  .feature-card {
    min-width: 4rem;
    padding: var(--space-3);
  }
  
  .feature-card .material-icons {
    font-size: 1.5rem !important;
  }
  
  .feature-text {
    font-size: 0.625rem;
  }
  
  .social-video-section {
    padding: var(--space-12) 0;
  }
  
  .section-title {
    font-size: var(--font-size-xl);
    gap: var(--space-2);
  }
  
  .social-platform-card {
    padding: var(--space-4);
  }
  
  .social-platform-icon {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .social-platform-name {
    font-size: var(--font-size-sm);
  }
  
  /* Mejoras específicas para móvil */
  .grid-layout {
    gap: var(--space-6);
  }
  
  .best-option {
    padding: var(--space-4);
  }
  
  .offer-card {
    padding: var(--space-4);
  }
  
  .offer-features {
    gap: var(--space-2);
  }
  
  .offer-feature {
    font-size: var(--font-size-xs);
  }
  
  .chart-bar {
    gap: var(--space-2);
  }
  
  .bar-container {
    height: 2rem;
  }
  
  .offer-summary {
    padding: var(--space-4);
  }
  
  .offer-summary-actions {
    margin-top: var(--space-2);
  }
  
  .btn-cta-small {
    padding: var(--space-1) var(--space-3);
    font-size: 0.625rem;
  }
}

/* === Small Mobile Devices === */
@media (max-width: 360px) {
  .container {
    padding: 0 var(--space-2);
  }
  
  .card {
    padding: var(--space-3);
  }
  
  .header {
    padding: var(--space-8) 0;
  }
  
  .hero {
    padding: var(--space-12) 0;
  }
  
  .hero-title {
    font-size: var(--font-size-xl);
  }
  
  .logo-image {
    height: 2rem;
  }
  
  .header-img {
    width: 5rem;
    height: 5rem;
  }
  
  .btn-primary {
    height: 2.5rem;
    font-size: var(--font-size-xs);
  }
  
  .form-input {
    height: 2.5rem;
    font-size: var(--font-size-xs);
  }
  
  .price-amount {
    font-size: var(--font-size-xl);
  }
  
  .best-option-header {
    gap: var(--space-2);
  }
  
  .savings-amount {
    font-size: var(--font-size-sm);
    padding: var(--space-1) var(--space-2);
  }
  
  .card-title {
    font-size: var(--font-size-lg);
  }
  
  .comparison-title,
  .options-title {
    font-size: var(--font-size-lg);
  }
}

/* === Accessibility === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
.btn-primary:focus-visible,
.form-input:focus-visible,
.checkbox:focus-visible,
.social-link:focus-visible,
.social-platform-card:focus-visible {
  outline: 2px solid var(--primary-yellow);
  outline-offset: 2px;
}

/* === Print Styles === */
@media print {
  .header,
  .footer,
  .btn-primary,
  .btn-cta,
  .btn-cta-small,
  .social-media,
  .social-video-section {
    display: none;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #000 !important;
    background: white !important;
  }
}

/* === Unlimited Option === */
.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.unlimited-option {
  display: flex;
  align-items: center;
}

.checkbox-label.small {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
}

.checkbox-label.small .checkbox-custom {
  width: 1rem;
  height: 1rem;
}

.checkbox-label.small .checkbox:checked + .checkbox-custom::after {
  width: 0.25rem;
  height: 0.5rem;
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -60%) rotate(45deg);
}