/* ==========================================================================
   GOTOCHECK MODERN LANDING - DISEÑO PROFESIONAL 2025
   ========================================================================== */

:root {
  /* Color Palette - Pantone 130C Mostaza Corporativo REAL */
  --color-primary: #E6C200;
  --color-primary-dark: #B8940F;
  --color-primary-light: #FFED4A;
  --color-accent: #F1C40F;
  --color-warning: #E6C200;
  
  /* Color Complementario - Azul Profundo */
  --color-complement: #1E3A8A;
  --color-complement-dark: #1E40AF;
  --color-complement-light: #3B82F6;
  
  /* Neutrals */
  --color-dark: #1F2937;
  --color-gray-800: #374151;
  --color-gray-700: #4B5563;
  --color-gray-600: #6B7280;
  --color-gray-500: #9CA3AF;
  --color-gray-400: #D1D5DB;
  --color-gray-300: #E5E7EB;
  --color-gray-200: #F3F4F6;
  --color-gray-100: #F9FAFB;
  --color-white: #FFFFFF;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows */
  --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);
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-gray-100);
  overflow-x: hidden;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

.text-hero {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.text-xl {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: var(--font-weight-medium);
}

.text-lg {
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
}

.text-base {
  font-size: 1rem;
  line-height: 1.7;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ==========================================================================
   LAYOUT CONTAINERS
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

.section {
  padding: var(--space-2xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-xl) 0;
  }
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.logo:hover {
  color: var(--color-primary-dark);
}

.nav-menu {
  display: none;
  list-style: none;
  gap: var(--space-lg);
}

.nav-menu a {
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  background: linear-gradient(135deg, 
    var(--color-gray-100) 0%, 
    var(--color-white) 50%, 
    var(--color-gray-100) 100%);
  padding: calc(var(--space-2xl) + 3rem) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, 
    rgba(230, 194, 0, 0.1) 0%, 
    transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-primary);
  color: var(--color-dark);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.hero-title {
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-dark), var(--color-gray-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 0.9375rem;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-dark);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* ==========================================================================
   CARDS & COMPONENTS
   ========================================================================== */

.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
}

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

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.card-description {
  color: var(--color-gray-600);
  line-height: 1.5;
  font-size: 0.9375rem;
}

/* ==========================================================================
   GRID LAYOUTS
   ========================================================================== */

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

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.pricing-calculator {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-primary);
  margin-bottom: var(--space-xl);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-card {
  position: relative;
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  transition: var(--transition-normal);
  height: auto;
  min-height: 350px;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured::before {
  content: 'Más Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-warning));
  color: var(--color-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
}

.pricing-price {
  font-size: 2.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
}

.pricing-period {
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

.pricing-features {
  list-style: none;
  margin: var(--space-lg) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: var(--color-gray-600);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.2em;
}

.pricing-card .btn {
  margin-top: auto;
}

/* Estilos para la calculadora */
.pricing-calculator .card-title {
  text-align: center;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.pricing-calculator .form-group {
  margin-bottom: var(--space-md);
}

.pricing-calculator .form-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
}

/* Estilos para las tarjetas de beneficios */
.benefits-card {
  transition: var(--transition-normal);
}

.benefits-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.benefit-item {
  transition: var(--transition-fast);
}

.benefit-item:hover {
  transform: translateX(8px);
}

/* Estilos para navegación con color complementario */
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-menu a:hover::after {
  width: 100%;
}

/* Efectos para las tarjetas con color complementario */
.card:hover {
  box-shadow: 0 20px 40px rgba(30, 58, 138, 0.1), 0 0 20px rgba(230, 194, 0, 0.1);
}

/* Mejoras para formularios */
.form-input:focus {
  outline: none;
  border-color: var(--color-complement);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

@media (max-width: 768px) {
  .benefits-card {
    margin-bottom: 2rem;
  }
  
  .benefit-item {
    margin-bottom: 1rem !important;
  }
}

/* ==========================================================================
   FORMS
   ========================================================================== */

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(230, 194, 0, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

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

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.hidden { display: none; }

.text-primary { color: var(--color-primary); }
.text-gray { color: var(--color-gray-600); }
.text-dark { color: var(--color-dark); }
/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

  @media (max-width: 768px) {
  .hero {
    padding: calc(var(--space-xl) + 3rem) 0 var(--space-xl);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  .pricing-card.featured {
    transform: none;
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

.fade-in {
  opacity: 1; /* Cambio para evitar desaparición */
  transform: translateY(0);
  transition: var(--transition-normal);
}

.fade-in.animate {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeIn 0.8s ease-out forwards;
}

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

.bounce-in {
  animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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