/* =======================================================================
   ORGANIZER CHATBOT - MAIN CSS
   Main stylesheet with variables, base styles, and components
   ======================================================================= */

/* CSS Variables - Design System */
:root {
  /* Colors - Based on Organizer AI brand */
  --primary: #667eea;
  --secondary: #764ba2;
  --accent: #f093fb;
  --primary-hover: #5a6fd8;
  --secondary-hover: #6a4190;
  
  /* Neutral Colors */
  --dark: #1a202c;
  --dark-light: #2d3748;
  --gray-900: #171923;
  --gray-800: #1a202c;
  --gray-700: #2d3748;
  --gray-600: #4a5568;
  --gray-500: #718096;
  --gray-400: #a0aec0;
  --gray-300: #cbd5e0;
  --gray-200: #e2e8f0;
  --gray-100: #f7fafc;
  --white: #ffffff;
  
  /* Status Colors */
  --success: #48bb78;
  --warning: #ed8936;
  --error: #f56565;
  --info: #4299e1;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes - Responsive using clamp() */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 4rem);
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Spacing */
  --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;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Container Sizes */
  --container-xs: 28rem;
  --container-sm: 36rem;
  --container-md: 48rem;
  --container-lg: 64rem;
  --container-xl: 80rem;
  --container-2xl: 96rem;
  
  /* Header Height */
  --header-height: 4rem;
}

/* =======================================================================
   RESET & BASE STYLES
   ======================================================================= */

/* Box Sizing Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margins */
* {
  margin: 0;
}

/* HTML & Body */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Media Defaults */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Form Elements */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove button styles */
button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Lists */
ul,
ol {
  list-style: none;
  padding: 0;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
}

.text-large {
  font-size: var(--text-lg);
}

.text-small {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

.font-medium {
  font-weight: var(--font-medium);
}

.font-semibold {
  font-weight: var(--font-semibold);
}

.font-bold {
  font-weight: var(--font-bold);
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-16) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.subsection-title {
  font-size: var(--text-2xl);
  color: var(--gray-900);
  margin-bottom: var(--space-8);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), var(--secondary-hover));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

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

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

.btn-small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Loading State */
.btn-loading {
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.navbar {
  padding: var(--space-4) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

.nav-brand:hover .brand-text {
  color: var(--primary);
}

.nav-brand .logo {
  height: 40px;
  width: 40px;
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-secondary);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-weight: var(--font-medium);
  color: var(--gray-700);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  margin: 3px 0;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, 
    rgba(102, 126, 234, 0.05) 0%, 
    rgba(118, 75, 162, 0.05) 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
  z-index: 2;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--gray-900);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--gray-600);
  margin-bottom: var(--space-8);
  line-height: 1.5;
}

.pricing-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-visual {
  animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

/* Hero Particles Animation */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.hero-particles::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.hero-particles::after {
  content: '';
  position: absolute;
  bottom: 20%;
  right: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =======================================================================
   TRUST BADGES
   ======================================================================= */

.trust-badges {
  padding: var(--space-8) 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  max-width: var(--container-lg);
  margin: 0 auto;
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.badge-icon {
  color: var(--success);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
}

.badge-text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--gray-700);
}

/* =======================================================================
   PROBLEMA/SOLUCIÓN SECTION
   ======================================================================= */

.problema-solucion {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.problema-solucion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  max-width: var(--container-lg);
  margin: 0 auto;
}

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

.problem-item,
.solution-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid transparent;
}

.problem-item {
  border-left-color: var(--error);
}

.solution-item {
  border-left-color: var(--success);
}

.problem-icon,
.solution-icon {
  font-size: var(--text-lg);
  flex-shrink: 0;
  margin-top: var(--space-1);
}

/* =======================================================================
   FEATURES SECTION
   ======================================================================= */

.caracteristicas {
  padding: var(--space-20) 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  max-width: var(--container-xl);
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}

.feature-icon .icon {
  width: 32px;
  height: 32px;
  font-size: 32px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.6;
}

/* =======================================================================
   DEMO SECTION
   ======================================================================= */

.demo-section {
  padding: var(--space-20) 0;
  background: var(--gray-900);
  color: var(--white);
}

.demo-section .section-title {
  color: var(--white);
}

.demo-container {
  max-width: var(--container-lg);
  margin: 0 auto;
}

.demo-mockup {
  display: flex;
  justify-content: center;
}

.browser-frame {
  width: 100%;
  max-width: 800px;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.browser-header {
  display: flex;
  align-items: center;
  padding: var(--space-4);
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}

.browser-buttons {
  display: flex;
  gap: var(--space-2);
  margin-right: var(--space-4);
}

.btn-close,
.btn-minimize,
.btn-maximize {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--error);
}

.btn-minimize {
  background: var(--warning);
}

.btn-maximize {
  background: var(--success);
}

.browser-url {
  flex: 1;
  background: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.browser-content {
  padding: var(--space-8);
  background: var(--gray-50);
  min-height: 400px;
  position: relative;
}

/* Chatbot Widget */
.chatbot-widget {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 350px;
  max-height: 500px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.chatbot-header {
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
}

.chatbot-header h4 {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
}

.chatbot-messages {
  padding: var(--space-4);
  max-height: 300px;
  overflow-y: auto;
}

.message {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  flex-shrink: 0;
}

.message-content {
  background: var(--gray-100);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.4;
  max-width: 250px;
}

.bot-message .message-content {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
}

.chatbot-input {
  padding: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

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

.quick-btn {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--gray-700);
  text-align: left;
  transition: all var(--transition-base);
  cursor: pointer;
}

.quick-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* =======================================================================
   CASOS DE USO SECTION
   ======================================================================= */

.casos-uso {
  padding: var(--space-20) 0;
  background: var(--white);
}

.cases-tabs {
  max-width: var(--container-lg);
  margin: 0 auto;
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  overflow-x: auto;
  padding: var(--space-2);
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn:hover {
  background: var(--gray-200);
}

.tab-btn.active {
  background: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.tab-icon {
  width: 24px;
  height: 24px;
}

.tabs-content {
  position: relative;
}

.tab-panel {
  display: none;
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-panel h3 {
  margin-bottom: var(--space-6);
  color: var(--gray-900);
  text-align: center;
}

.case-benefits {
  display: grid;
  gap: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.case-benefits li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--gray-50);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.case-benefits li::before {
  content: '✓';
  color: var(--success);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

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

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

.pricing {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.toggle-label {
  font-weight: var(--font-medium);
  color: var(--gray-600);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 32px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gray-300);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.toggle-slider::before {
  position: absolute;
  content: '';
  height: 26px;
  width: 26px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: var(--transition-base);
}

input:checked + .toggle-slider {
  background: var(--primary);
}

input:checked + .toggle-slider::before {
  transform: translateX(28px);
}

.discount-badge {
  background: var(--success);
  color: var(--white);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  margin-left: var(--space-2);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  max-width: var(--container-lg);
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

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

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

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

.plan-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.plan-name {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
}

.currency {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.amount {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--gray-900);
}

.period {
  font-size: var(--text-base);
  color: var(--gray-500);
}

.custom-price {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
}

.plan-features {
  margin-bottom: var(--space-8);
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-100);
}

.plan-features li:last-child {
  border-bottom: none;
}

.plan-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
}

.plan-cta {
  width: 100%;
}

.pricing-note {
  text-align: center;
  margin-top: var(--space-8);
}

.pricing-note a {
  color: var(--primary);
  text-decoration: underline;
}

.pricing-note a:hover {
  color: var(--primary-hover);
}

/* =======================================================================
   CLIENTS SECTION
   ======================================================================= */

.clientes {
  padding: var(--space-20) 0;
  background: var(--white);
  overflow: hidden;
}

.section-subtitle {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--gray-600);
  margin: var(--space-4) auto var(--space-12);
  max-width: var(--container-sm);
}

.clients-carousel-wrapper {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.clients-carousel {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  animation: scrollClients 50s linear infinite;
  width: fit-content;
  padding: var(--space-6) 0;
}

.client-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  min-width: 400px;
  min-height: 220px;
}

.client-logo:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.client-image {
  height: 150px;
  width: auto;
  max-width: 350px;
  object-fit: contain;
  opacity: 0.9;
  transition: all var(--transition-base);
}

.client-logo:hover .client-image {
  opacity: 1;
}

@keyframes scrollClients {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Pause animation on hover */
.clients-carousel:hover {
  animation-play-state: paused;
}

/* =======================================================================
   FAQ SECTION
   ======================================================================= */

.faq {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--gray-900);
  transition: all var(--transition-base);
}

.faq-question:hover {
  background: var(--gray-50);
}

.faq-icon {
  font-size: var(--text-2xl);
  color: var(--primary);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--gray-600);
  line-height: 1.6;
}

/* =======================================================================
   CTA FINAL SECTION
   ======================================================================= */

.cta-final {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="40" cy="60" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: var(--container-md);
  margin: 0 auto;
}

.cta-title {
  color: var(--white);
  margin-bottom: var(--space-6);
}

.cta-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-12);
  opacity: 0.9;
}

.cta-form {
  margin-bottom: var(--space-12);
}

.form-group {
  display: flex;
  gap: var(--space-4);
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.form-group input {
  flex: 1;
  min-width: 250px;
  padding: var(--space-4);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: var(--text-base);
  backdrop-filter: blur(10px);
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  outline: none;
}

.form-note {
  font-size: var(--text-sm);
  opacity: 0.8;
  margin-top: var(--space-4);
}

.cta-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  max-width: 600px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--white);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  opacity: 0.9;
}

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

.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  margin-bottom: var(--space-6);
}

.footer-brand-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-base);
}

.footer-brand-link:hover .footer-brand-text {
  color: var(--primary);
}

.footer-logo {
  height: 80px;
  width: 80px;
  flex-shrink: 0;
  margin-bottom: var(--space-4);
}

.footer-brand-text {
  font-family: var(--font-secondary);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-4);
  display: block;
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-800);
  border-radius: var(--radius);
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.social-link-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.social-link-disabled:hover {
  background: var(--gray-800);
  color: var(--gray-400);
  transform: none;
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--gray-400);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

.footer-made {
  color: var(--gray-500);
  font-size: var(--text-sm);
}

/* =======================================================================
   FORMS & INPUTS
   ======================================================================= */

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: var(--text-base);
  color: var(--gray-800);
  background: var(--white);
  transition: all var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-control:invalid {
  border-color: var(--error);
}

.form-control:invalid:focus {
  box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.1);
}

/* =======================================================================
   TOAST MESSAGES
   ======================================================================= */

.message-toast {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--success);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 9999;
  max-width: 400px;
}

.message-toast.show {
  transform: translateX(0);
}

.message-toast.error {
  border-left-color: var(--error);
}

.toast-text {
  font-size: var(--text-sm);
  color: var(--gray-700);
}

.toast-close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--gray-400);
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: all var(--transition-base);
}

.toast-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* =======================================================================
   UTILITY CLASSES
   ======================================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.invisible {
  visibility: hidden;
}

.hidden {
  display: none !important;
}

.block {
  display: block !important;
}

.flex {
  display: flex !important;
}

.inline-flex {
  display: inline-flex !important;
}

.grid {
  display: grid !important;
}

.relative {
  position: relative !important;
}

.absolute {
  position: absolute !important;
}

.fixed {
  position: fixed !important;
}

.w-full {
  width: 100% !important;
}

.h-full {
  height: 100% !important;
}

.opacity-0 {
  opacity: 0 !important;
}

.opacity-50 {
  opacity: 0.5 !important;
}

.opacity-100 {
  opacity: 1 !important;
}

.pointer-events-none {
  pointer-events: none !important;
}

.cursor-pointer {
  cursor: pointer !important;
}

.select-none {
  user-select: none !important;
}

/* Scroll behavior */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* Loading state */
.loading {
  pointer-events: none;
  opacity: 0.7;
}

/* Animation delays for staggered animations */
.animation-delay-100 {
  animation-delay: 100ms;
}

.animation-delay-200 {
  animation-delay: 200ms;
}

.animation-delay-300 {
  animation-delay: 300ms;
}

.animation-delay-400 {
  animation-delay: 400ms;
}

.animation-delay-500 {
  animation-delay: 500ms;
}

/* =======================================================================
   ACCESSIBILITY IMPROVEMENTS
   ======================================================================= */

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --gray-600: #000000;
    --gray-700: #000000;
    --gray-800: #000000;
    --gray-900: #000000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .smooth-scroll {
    scroll-behavior: auto;
  }
}

/* Dark mode preparation (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --white: #1a202c;
    --gray-100: #2d3748;
    --gray-200: #4a5568;
    --gray-300: #718096;
    --gray-400: #a0aec0;
    --gray-500: #cbd5e0;
    --gray-600: #e2e8f0;
    --gray-700: #f7fafc;
    --gray-800: #ffffff;
    --gray-900: #ffffff;
    --dark: #ffffff;
  }
}

/* Print styles */
@media print {
  .header,
  .nav-toggle,
  .hero-particles,
  .footer {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-8) 0;
  }
  
  .section {
    padding: var(--space-8) 0;
  }
  
  .btn {
    border: 2px solid var(--gray-800) !important;
    background: transparent !important;
    color: var(--gray-800) !important;
  }
}