/* 
==========================================
Estilos para FinanzaFutura - Theme Y2K-nostalgia
==========================================
*/

/* Variables y reseteo */
:root {
  --color-primary: #1F1F3A;
  --color-secondary: #6B2C91;
  --color-accent1: #FF3366;
  --color-accent2: #00CCFF;
  --color-accent3: #FFCC00;
  --color-bg-primary: #121225;
  --color-bg-secondary: #252542;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B9B9D3;
  --font-primary: 'Oswald', sans-serif;
  --font-secondary: 'Nunito', sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --border-radius: 8px;
  --glow-effect: 0 0 8px rgba(255, 51, 102, 0.7);
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --z-index-header: 1000;
  --z-index-overlay: 900;
  --z-index-modal: 1100;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 90% 10%, rgba(107, 44, 145, 0.15) 0%, transparent 30%),
    radial-gradient(circle at 10% 90%, rgba(0, 204, 255, 0.1) 0%, transparent 30%);
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  border-radius: 3px;
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent2);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent1);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

ul, ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* Contenedores y Layouts */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-lg) 0;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 51, 102, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: -1;
}

.section:nth-child(odd)::before {
  top: -150px;
  right: -150px;
}

.section:nth-child(even)::before {
  bottom: -150px;
  left: -150px;
  background: radial-gradient(circle, rgba(0, 204, 255, 0.1) 0%, transparent 70%);
}

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

.flex {
  display: flex;
  flex-wrap: wrap;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-between {
  justify-content: space-between;
  align-items: center;
}

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

/* Componentes de la estética Y2K */
.y2k-card {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 
              inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.y2k-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(107, 44, 145, 0.2) 0%, rgba(31, 31, 58, 0.2) 100%);
  z-index: -1;
}

.y2k-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--color-accent1) 0%, transparent 80%);
  border-radius: 0 0 0 100%;
  opacity: 0.5;
}

.y2k-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), 
              inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.y2k-gradient-text {
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  font-weight: 700;
}

.y2k-border {
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.y2k-border::after {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2), var(--color-accent3), var(--color-accent1));
  background-size: 300% 100%;
  border-radius: inherit;
  z-index: -1;
  animation: gradient-border 8s linear infinite;
  opacity: 0.3;
}

@keyframes gradient-border {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.y2k-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent2), transparent);
  margin: var(--spacing-md) 0;
  border-radius: 2px;
}

.y2k-glow {
  position: relative;
}

.y2k-glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: var(--glow-effect);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
  border-radius: inherit;
}

.y2k-glow:hover::after {
  opacity: 1;
}

/* Botones */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-medium);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
  background-color: transparent;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-secondary));
  z-index: -1;
  transition: opacity var(--transition-medium);
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent2));
  z-index: -2;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.btn:hover::before {
  opacity: 0;
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  color: var(--color-text-primary);
  box-shadow: 0 4px 15px rgba(107, 44, 145, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(0, 204, 255, 0.4);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-accent2);
  color: var(--color-accent2);
}

.btn-secondary::before,
.btn-secondary::after {
  opacity: 0;
}

.btn-secondary:hover {
  border-color: var(--color-accent1);
  color: var(--color-accent1);
  text-decoration: none;
}

/* Header & Navigation */
.site-header {
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-index-header);
  background-color: rgba(18, 18, 37, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-medium);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  border-radius: 0;
}

.logo span {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-left: var(--spacing-xs);
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav li {
  margin: 0 var(--spacing-sm);
  position: relative;
}

.main-nav li::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  transition: width var(--transition-medium);
}

.main-nav li:hover::after,
.main-nav li.active::after {
  width: 100%;
}

.main-nav a {
  color: var(--color-text-primary);
  text-transform: uppercase;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent2);
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(18, 18, 37, 0.6);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to top, var(--color-bg-primary), transparent);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md);
  background: rgba(31, 31, 58, 0.6);
  backdrop-filter: blur(5px);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features {
  padding: var(--spacing-xl) 0;
}

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

.feature-card {
  position: relative;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  transition: transform var(--transition-medium);
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  z-index: 1;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Artículos Section */
.articles {
  padding: var(--spacing-xl) 0;
}

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

.article-card {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.article-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.article-card:hover .article-image img {
  transform: scale(1.05);
}

.article-content {
  padding: var(--spacing-md);
}

.article-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.article-excerpt {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-sm);
}

/* Contact Form */
.contact-form {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
}

.contact-form::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255, 204, 0, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-family: var(--font-primary);
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  background: rgba(18, 18, 37, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent2);
  box-shadow: 0 0 0 2px rgba(0, 204, 255, 0.2);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
}

/* IntlTelInput Customization */
.iti {
  width: 100%;
}

.iti__flag-container {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  overflow: hidden;
}

.iti__selected-flag {
  background-color: rgba(31, 31, 58, 0.8) !important;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2), var(--color-accent3), var(--color-accent1));
  background-size: 300% 100%;
  animation: gradient-border 8s linear infinite;
}

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

.footer-logo img {
  height: 50px;
  margin-bottom: var(--spacing-sm);
  border-radius: 0;
}

.footer-logo p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-links h3 {
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.footer-links h3::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-accent2);
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent2);
  text-decoration: none;
}

.footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-accent2);
  color: var(--color-primary);
  transform: translateY(-3px);
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(31, 31, 58, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  z-index: var(--z-index-modal);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transform: translateY(100%);
  transition: transform var(--transition-medium);
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.cookie-consent.show {
  transform: translateY(0);
}

.cookie-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.cookie-text {
  flex: 1;
  min-width: 280px;
}

.cookie-text h3 {
  margin-bottom: var(--spacing-xs);
}

.cookie-text p {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  flex-direction: column;
}

.cookie-settings {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cookie-settings:hover {
  background: rgba(255, 255, 255, 0.05);
}

.cookie-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.cookie-modal.show {
  opacity: 1;
  visibility: visible;
}

.cookie-modal-content {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-md);
  position: relative;
}

.cookie-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--spacing-sm);
}

.cookie-modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.cookie-modal-close:hover {
  color: var(--color-accent1);
}

.cookie-category {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  background: rgba(18, 18, 37, 0.5);
}

.cookie-category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cookie-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: var(--transition-fast);
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: var(--color-text-primary);
  transition: var(--transition-fast);
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-accent2);
}

input:disabled + .slider {
  opacity: 0.5;
  cursor: not-allowed;
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.cookie-category-content {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  display: none;
}

.cookie-category.expanded .cookie-category-content {
  display: block;
}

.cookie-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Error and Success Messages */
.form-message {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.form-message.success {
  background: rgba(0, 204, 102, 0.1);
  border: 1px solid rgba(0, 204, 102, 0.3);
  color: #00CC66;
}

.form-message.error {
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid rgba(255, 51, 102, 0.3);
  color: var(--color-accent1);
}

/* Thank You Page */
.thank-you {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.thank-you-icon {
  font-size: 5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent2);
}

.thank-you h1 {
  margin-bottom: var(--spacing-md);
}

.thank-you p {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* Policy Pages */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.policy-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.policy-content h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.policy-content ul, 
.policy-content ol {
  margin-bottom: var(--spacing-md);
}

.policy-content li {
  margin-bottom: var(--spacing-xs);
}

.policy-date {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* Overlapping Layers */
.overlap-section {
  position: relative;
}

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

.overlap-background {
  position: absolute;
  z-index: 1;
}

.overlap-top-right {
  top: -50px;
  right: -50px;
}

.overlap-bottom-left {
  bottom: -50px;
  left: -50px;
}

.overlap-card {
  position: relative;
  margin-top: -100px;
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 3;
}

.overlap-img {
  margin-top: -50px;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.overlap-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  position: relative;
}

.overlap-feature {
  position: relative;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  z-index: 2;
  transition: transform var(--transition-medium);
}

.overlap-feature:nth-child(even) {
  transform: translateY(30px);
}

.overlap-feature:hover {
  transform: translateY(-5px);
}

.overlap-feature:nth-child(even):hover {
  transform: translateY(25px);
}

.overlap-shape {
  position: absolute;
  background: linear-gradient(135deg, var(--color-accent1), var(--color-accent2));
  border-radius: 50%;
  opacity: 0.15;
  z-index: 1;
}

.shape-1 {
  width: 200px;
  height: 200px;
  top: 20%;
  left: -100px;
}

.shape-2 {
  width: 300px;
  height: 300px;
  top: 40%;
  right: -150px;
  background: linear-gradient(135deg, var(--color-accent2), var(--color-accent3));
}

.shape-3 {
  width: 150px;
  height: 150px;
  bottom: 10%;
  left: 10%;
  background: linear-gradient(135deg, var(--color-accent3), var(--color-accent1));
}

/* Neon effects */
.neon-text {
  text-shadow: 0 0 5px var(--color-accent1), 0 0 10px var(--color-accent1), 0 0 20px var(--color-accent1);
}

.neon-box {
  box-shadow: 0 0 5px var(--color-accent2), 0 0 10px var(--color-accent2), 0 0 20px var(--color-accent2);
}

/* Y2K-specific elements */
.pixel-border {
  position: relative;
}

.pixel-border::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: transparent;
  border: 3px solid;
  border-image: linear-gradient(45deg, var(--color-accent1), var(--color-accent2), var(--color-accent3), var(--color-accent1)) 1;
  z-index: -1;
}

.window-header {
  background: linear-gradient(90deg, var(--color-accent1), var(--color-accent2));
  padding: 0.5rem var(--spacing-sm);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.window-title {
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.window-controls {
  display: flex;
  gap: 5px;
}

.window-button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.window-close {
  background-color: #FF3366;
}

.window-minimize {
  background-color: #FFCC00;
}

.window-maximize {
  background-color: #00CCFF;
}

.window-content {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: none;
}

/* Graficos y diagramas */
.chart-container {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.chart-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 204, 255, 0.05) 0%, transparent 70%);
  z-index: 0;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

/* Responsive Design */
@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.5rem;
  }
  
  h3 {
    font-size: 1.8rem;
  }
  
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero h1 {
    font-size: 4rem;
  }
  
  .overlap-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .overlap-feature:nth-child(even) {
    transform: translateY(50px);
  }
  
  .overlap-feature:nth-child(even):hover {
    transform: translateY(45px);
  }
}

@media (min-width: 992px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero-content {
    padding: var(--spacing-lg);
  }
  
  .overlap-feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .overlap-feature:nth-child(3n+2) {
    transform: translateY(50px);
  }
  
  .overlap-feature:nth-child(3n+3) {
    transform: translateY(100px);
  }
  
  .overlap-feature:nth-child(3n+2):hover {
    transform: translateY(45px);
  }
  
  .overlap-feature:nth-child(3n+3):hover {
    transform: translateY(95px);
  }
}

.nav-close {
  display: none;
}

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    max-width: 300px;
    background: var(--color-bg-secondary);
    z-index: var(--z-index-overlay);
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) var(--spacing-md);
    overflow-y: auto;
  }
  
  .main-nav.active {
    transform: translateX(0);
    height: 500px;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .main-nav li {
    margin: 0;
  }
  
  .main-nav a {
    display: block;
    padding: var(--spacing-xs) 0;
    font-size: 1.2rem;
  }
  
  .nav-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
  }
  
  .overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: var(--z-index-overlay) - 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
  }
  
  .overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-actions {
    width: 100%;
  }
  
  .cookie-actions button {
    flex: 1;
  }
}