/* === CSS Variables and Base Styles === */
:root {
  /* Color Palette - Neutral with accent */
  --color-primary: #3a4750;
  --color-primary-dark: #2c373f;
  --color-primary-light: #4e5b66;
  
  --color-secondary: #d8d8d8;
  --color-secondary-dark: #b9b9b9;
  --color-secondary-light: #f2f2f2;
  
  --color-accent: #4bb1a7;
  --color-accent-dark: #3c908a;
  --color-accent-light: #6dcac2;
  
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lightest: #999999;
  --color-white: #ffffff;
  
  --color-success: #4CAF50;
  --color-error: #F44336;
  --color-warning: #FFC107;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  --gradient-accent: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  --gradient-light: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
  
  /* Shadow Effects for Neomorphism */
  --shadow-small: 3px 3px 6px rgba(0, 0, 0, 0.1), -3px -3px 6px rgba(255, 255, 255, 0.7);
  --shadow-medium: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
  --shadow-large: 8px 8px 16px rgba(0, 0, 0, 0.1), -8px -8px 16px rgba(255, 255, 255, 0.7);
  --shadow-inset: inset 3px 3px 6px rgba(0, 0, 0, 0.1), inset -3px -3px 6px rgba(255, 255, 255, 0.7);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 50%;
  
  /* Transition */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 2.5rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1rem;
  --header-height: 80px;
  
  /* Z-indexes */
  --z-back: -1;
  --z-normal: 1;
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* === Reset and Base Styles === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-secondary-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-xxl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
}

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

h4 {
  font-size: var(--font-size-lg);
}

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

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

a:hover, a:focus {
  color: var(--color-accent-dark);
}

img, video {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-md);
}

/* === Layout & Containers === */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

.section-header h2 {
  display: inline-block;
  margin: 0 auto var(--spacing-md);
}

.section-header h2::after {
  left: 50%;
  transform: translateX(-50%);
}

/* === Buttons === */
.btn,
button,
input[type='submit'] {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-md);
  line-height: 1;
  text-align: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-medium);
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-small);
}

.btn:hover,
button:hover,
input[type='submit']:hover {
  color: #fff;
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.btn:active,
button:active,
input[type='submit']:active {
  transform: translateY(0);
  box-shadow: var(--shadow-inset);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
}

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

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

.read-more {
  font-weight: 600;
  position: relative;
  padding-right: 20px;
  transition: all var(--transition-fast);
}

.read-more::after {
  content: "→";
  position: absolute;
  right: 0;
  transition: transform var(--transition-fast);
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* === Header & Navigation === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: var(--z-fixed);
  transition: all var(--transition-medium);
}

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

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

.logo img {
  height: auto;
  transition: all var(--transition-fast);
}

.main-nav {
  display: flex;
}

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

.nav-list li {
  margin-left: var(--spacing-lg);
}

.nav-list a {
  color: var(--color-primary);
  font-weight: 500;
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-medium);
}

.nav-list a:hover::after,
.nav-list a:focus::after {
  width: 100%;
}

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.burger-menu span {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  transition: all var(--transition-fast);
}

/* === Hero Section === */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-xxl)) 0 var(--spacing-xxl);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-white);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  z-index: var(--z-back);
}

.hero-content {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-xxl) 0;
  z-index: var(--z-normal);
}

.hero-title {
  color: var(--color-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1.2s ease-out;
}

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

/* === Cards === */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-content {
  padding: var(--spacing-lg);
  width: 100%;
  text-align: center;
}

.price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
  margin: var(--spacing-sm) 0;
}

/* === Servicios Section === */
.servicios .services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  grid-gap: var(--spacing-xl);
}

.service-card {
  height: 100%;
}

.service-card .card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card .btn {
  margin-top: var(--spacing-md);
}

/* === Historia Section === */
.historia-content {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  text-align: center;
}

.timeline-container {
  position: relative;
  padding: var(--spacing-xl) 0;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: var(--color-accent);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: var(--spacing-md) var(--spacing-xl);
  box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: var(--spacing-lg);
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: var(--shadow-small);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

.timeline-content {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-small);
  transition: all var(--transition-medium);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

/* === Metodología Section === */
.metodologia {
  background-color: var(--color-white);
}

.methodology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  grid-gap: var(--spacing-xl);
}

.methodology-item {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background-color: var(--color-secondary-light);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-medium);
}

.methodology-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.methodology-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.methodology-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.methodology-description {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  text-align: center;
}

/* === Investigación y Análisis Section === */
.investigacion {
  background-color: var(--color-secondary-light);
}

.research-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.research-content {
  flex: 1 1 500px;
}

.research-image {
  flex: 0 1 500px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.research-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-top: var(--spacing-xl);
}

.stat-item {
  flex: 0 1 300px;
  text-align: center;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.stat-item h4 {
  font-size: var(--font-size-xxl);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

/* === Webinars Section === */
.webinars {
  background-color: var(--color-white);
}

.webinars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: var(--spacing-xl);
}

.webinar-card {
  height: 100%;
}

.webinar-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* === Por Que Elegirnos Section === */
.por-que-nosotros {
  background-color: var(--color-secondary-light);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: var(--spacing-xl);
}

.why-us-item {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-medium);
  text-align: center;
}

.why-us-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.why-us-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.why-us-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* === Recursos Externos Section === */
.recursos-externos {
  background-color: var(--color-white);
}

.external-resources {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: var(--spacing-xl);
}

.resource-card {
  background-color: var(--color-secondary-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-small);
}

.resource-card h3 {
  margin-bottom: var(--spacing-md);
}

.resource-card ul {
  list-style-type: none;
  padding: 0;
}

.resource-card ul li {
  margin-bottom: var(--spacing-sm);
}

.resource-card ul li a {
  display: block;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.resource-card ul li a:hover {
  background-color: rgba(0, 0, 0, 0.05);
  padding-left: var(--spacing-md);
}

/* === Testimonios Section === */
.testimonios {
  background-color: var(--color-secondary-light);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: var(--spacing-xl);
}

.testimonial-card {
  height: 100%;
}

.testimonial-content {
  padding: var(--spacing-lg);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-full);
  margin-right: var(--spacing-md);
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: 0;
}

.author-info p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* === Insights Section === */
.insights {
  background-color: var(--color-white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-gap: var(--spacing-xl);
}

.news-card {
  height: 100%;
}

.news-date {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* === Comunidad Section === */
.comunidad {
  background-color: var(--color-secondary-light);
}

.community-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.community-image {
  flex: 0 1 500px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.community-text {
  flex: 1 1 500px;
}

.community-text ul {
  margin-bottom: var(--spacing-lg);
}

.community-events {
  margin-top: var(--spacing-xl);
}

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

.event-card {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-small);
  transition: all var(--transition-medium);
}

.event-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.event-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* === FAQ Section === */
.faq {
  background-color: var(--color-white);
}

.accordion-container {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-small);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-secondary-light);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-header h3 {
  margin-bottom: 0;
  font-size: var(--font-size-lg);
}

.accordion-icon {
  position: relative;
  width: 20px;
  height: 20px;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.accordion-icon::after {
  transform: rotate(90deg);
}

.accordion-item.active .accordion-icon::after {
  transform: rotate(0);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium);
  background-color: var(--color-white);
}

.accordion-content p {
  padding: var(--spacing-lg);
  margin-bottom: 0;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
}

.accordion-item.active .accordion-header {
  background-color: var(--color-primary);
}



/* === Contacto Section === */
.contacto {
  background-color: var(--color-secondary-light);
}

.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.contact-info {
  flex: 1 1 300px;
}

.info-item {
  margin-bottom: var(--spacing-lg);
}

.info-item h3 {
  margin-bottom: var(--spacing-sm);
}

.info-item p {
  margin-bottom: var(--spacing-xs);
}

.map-container {
  margin-top: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.contact-form {
  flex: 1 1 400px;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-secondary-light);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(75, 177, 167, 0.3);
}

.checkbox-group {
  display: flex;
  align-items: center;
}

.checkbox-group input {
  width: auto;
  margin-right: var(--spacing-sm);
}

.checkbox-group label {
  margin: 0;
  font-weight: normal;
}

/* === Footer === */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  flex: 1 1 300px;
}

.footer-logo img {
  margin-bottom: var(--spacing-md);
}

.footer-links {
  flex: 2 1 600px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-column {
  flex: 1 1 140px;
  margin-bottom: var(--spacing-lg);
}

.footer-column h3 {
  color: var(--color-white);
  position: relative;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-column ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-column ul li a {
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--color-white);
}

.social-links li {
  position: relative;
}

.social-links a {
  display: inline-block;
  padding-left: 25px;
  position: relative;
}

.social-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.social-links a[href*="facebook"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d8d8d8'%3E%3Cpath d='M12 2C6.477 2 2 6.477 2 12c0 5.013 3.693 9.153 8.505 9.876V14.65H8.031v-2.629h2.474v-1.749c0-2.896 1.411-4.167 3.818-4.167 1.153 0 1.762.085 2.051.124v2.294h-1.642c-1.022 0-1.379.969-1.379 2.061v1.437h2.995l-.406 2.629h-2.588v7.247C18.235 21.236 22 17.062 22 12c0-5.523-4.477-10-10-10z'/%3E%3C/svg%3E");
}

.social-links a[href*="twitter"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d8d8d8'%3E%3Cpath d='M22.46 6c-.77.35-1.6.58-2.46.69.88-.53 1.56-1.37 1.88-2.38-.83.5-1.75.85-2.72 1.05C18.37 4.5 17.26 4 16 4c-2.35 0-4.27 1.92-4.27 4.29 0 .34.04.67.11.98C8.28 9.09 5.11 7.38 3 4.79c-.37.63-.58 1.37-.58 2.15 0 1.49.75 2.81 1.91 3.56-.71 0-1.37-.2-1.95-.5v.03c0 2.08 1.48 3.82 3.44 4.21a4.22 4.22 0 0 1-1.93.07 4.28 4.28 0 0 0 4 2.98 8.521 8.521 0 0 1-5.33 1.84c-.34 0-.68-.02-1.02-.06C3.44 20.29 5.7 21 8.12 21 16 21 20.33 14.46 20.33 8.79c0-.19 0-.37-.01-.56.84-.6 1.56-1.36 2.14-2.23z'/%3E%3C/svg%3E");
}

.social-links a[href*="instagram"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d8d8d8'%3E%3Cpath d='M12 2.163c3.204 0 3.584.012 4.85.07 3.252.148 4.771 1.691 4.919 4.919.058 1.265.069 1.645.069 4.849 0 3.205-.012 3.584-.069 4.849-.149 3.225-1.664 4.771-4.919 4.919-1.266.058-1.644.07-4.85.07-3.204 0-3.584-.012-4.849-.07-3.26-.149-4.771-1.699-4.919-4.92-.058-1.265-.07-1.644-.07-4.849 0-3.204.013-3.583.07-4.849.149-3.227 1.664-4.771 4.919-4.919 1.266-.057 1.645-.069 4.849-.069zM12 0C8.741 0 8.333.014 7.053.072 2.695.272.273 2.69.073 7.052.014 8.333 0 8.741 0 12c0 3.259.014 3.668.072 4.948.2 4.358 2.618 6.78 6.98 6.98C8.333 23.986 8.741 24 12 24c3.259 0 3.668-.014 4.948-.072 4.354-.2 6.782-2.618 6.979-6.98.059-1.28.073-1.689.073-4.948 0-3.259-.014-3.667-.072-4.947-.196-4.354-2.617-6.78-6.979-6.98C15.668.014 15.259 0 12 0zm0 5.838a6.162 6.162 0 100 12.324 6.162 6.162 0 000-12.324zM12 16a4 4 0 110-8 4 4 0 010 8zm6.406-11.845a1.44 1.44 0 100 2.881 1.44 1.44 0 000-2.881z'/%3E%3C/svg%3E");
}

.social-links a[href*="linkedin"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d8d8d8'%3E%3Cpath d='M19 3a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h14m-.5 15.5v-5.3a3.26 3.26 0 0 0-3.26-3.26c-.85 0-1.84.52-2.32 1.3v-1.11h-2.79v8.37h2.79v-4.93c0-.77.62-1.4 1.39-1.4a1.4 1.4 0 0 1 1.4 1.4v4.93h2.79M6.88 8.56a1.68 1.68 0 0 0 1.68-1.68c0-.93-.75-1.69-1.68-1.69a1.69 1.69 0 0 0-1.69 1.69c0 .93.76 1.68 1.69 1.68m1.39 9.94v-8.37H5.5v8.37h2.77z'/%3E%3C/svg%3E");
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

/* === Success Page === */
.success-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--spacing-xl);
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.success-icon::before {
  content: "✓";
  color: var(--color-white);
  font-size: 40px;
  line-height: 1;
}

.success-message {
  max-width: 600px;
}

.success-message h1 {
  margin-bottom: var(--spacing-lg);
}

/* === Terms & Privacy === */
.terms-content, .privacy-content {
  padding-top: 100px;
  max-width: 800px;
  margin: 0 auto;
}

.terms-content h1, .privacy-content h1 {
  margin-bottom: var(--spacing-xl);
}

.terms-content section, .privacy-content section {
  margin-bottom: var(--spacing-xl);
}

/* === Animations === */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* === Media Queries === */
@media screen and (max-width: 992px) {
  :root {
    --font-size-xxxl: 2.25rem;
    --font-size-xxl: 1.75rem;
    --font-size-xl: 1.5rem;
    --spacing-xxl: 3rem;
  }
  
  .main-nav {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .hero-content {
    padding: var(--spacing-xl) 0;
  }
  
  .research-container,
  .community-content {
    gap: var(--spacing-lg);
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 50px;
  }
  
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    left: 0;
    text-align: left;
  }
  
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 10px;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --font-size-xxxl: 2rem;
    --font-size-xxl: 1.5rem;
    --font-size-xl: 1.25rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .footer-logo {
    text-align: center;
  }
  
  .footer-column h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-column {
    text-align: center;
  }
}

@media screen and (max-width: 576px) {
  :root {
    --font-size-xxxl: 1.75rem;
    --font-size-xxl: 1.5rem;
    --font-size-xl: 1.25rem;
    --spacing-xl: 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
}

/* JS Class for Mobile Menu */
.nav-open .main-nav {
  display: block;
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md) 0;
  animation: slideInDown 0.3s ease-out;
}

.nav-open .nav-list {
  flex-direction: column;
  align-items: center;
}

.nav-open .nav-list li {
  margin: var(--spacing-sm) 0;
}

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

/* Active State for Accordion */
.accordion-item.active .accordion-header {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.accordion-item.active .accordion-header h3 {
  color: var(--color-white);
}

/* Helper Classes */
.text-center {
  text-align: center;
}

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

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

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

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

.mb-xl {
  margin-bottom: var(--spacing-xl);
}