/* Root Variables - Color Scheme and Typography */
:root {
  /* Primary Colors */
  --primary-color: #4a6bff;
  --primary-dark: #3a55cc;
  --primary-light: #8295ff;
  
  /* Complementary Colors */
  --complementary-color: #ff7a4a;
  --complementary-dark: #cc5f33;
  --complementary-light: #ffa280;
  
  /* Neutral Colors */
  --text-color: #333333;
  --text-light: #666666;
  --text-dark: #111111;
  --bg-color: #f8f9fc;
  --white: #ffffff;
  --black: #000000;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(31, 38, 135, 0.1);
  
  /* Typography */
  --heading-font: 'Poppins', sans-serif;
  --body-font: 'Work Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-circle: 50%;

  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;

  /* Z-index layers */
  --z-back: -1;
  --z-normal: 1;
  --z-front: 10;
  --z-top: 100;
}

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

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

body {
  font-family: var(--body-font);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  overflow-x: hidden;
}

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

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style-position: inside;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

/* Section Styles */
section {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--complementary-color));
  margin: var(--spacing-xs) auto 0;
  border-radius: var(--radius-sm);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: var(--text-light);
  font-size: 1.1rem;
}

/* Glassmorphism Effect */
.glassmorphism {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.glassmorphism:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px 0 var(--glass-shadow);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--heading-font);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(74, 107, 255, 0.3);
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(74, 107, 255, 0.4);
  color: var(--white);
}

.btn:active {
  transform: translateY(-1px);
}

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

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

.secondary-btn {
  background-color: var(--complementary-color);
  box-shadow: 0 4px 15px rgba(255, 122, 74, 0.3);
}

.secondary-btn:hover {
  background-color: var(--complementary-dark);
  box-shadow: 0 8px 20px rgba(255, 122, 74, 0.4);
  color: var(--white);
}

button, 
input[type="submit"] {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--heading-font);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(74, 107, 255, 0.3);
}

button:hover, 
input[type="submit"]:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(74, 107, 255, 0.4);
}

/* Header & Navigation */
header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: var(--z-top);
  padding: 1rem 0;
  transition: all var(--transition-fast);
}

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

.logo img {
  height: 50px;
  width: auto;
}

.desktop-menu ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-menu li {
  margin-left: var(--spacing-md);
}

.desktop-menu a {
  color: var(--white);
  font-weight: 500;
  font-family: var(--heading-font);
  transition: color var(--transition-fast);
  position: relative;
}

.desktop-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--complementary-color);
  transition: width var(--transition-fast);
}

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

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

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--white);
  border-radius: 3px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu li {
  margin-bottom: var(--spacing-sm);
}

.mobile-menu a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 1.1rem;
  display: block;
  padding: 0.5rem 0;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 200px 0 100px;
  color: var(--white);
  text-align: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
  z-index: var(--z-back);
}

.hero-content {
  position: relative;
  z-index: var(--z-normal);
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.5rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.2s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  animation: fadeInUp 1s ease-out 0.4s forwards;
  opacity: 0;
}

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

/* Research Section */
.research-section {
  padding: var(--spacing-lg) 0;
}

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

.research-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.research-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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

.card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.stats-widget {
  display: flex;
  justify-content: space-around;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  border-radius: var(--radius-md);
  color: var(--white);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.9rem;
  text-align: center;
  max-width: 120px;
}

.custom-slider {
  margin-top: var(--spacing-md);
  position: relative;
}

.slider-track {
  display: flex;
  overflow: hidden;
  scroll-behavior: smooth;
}

.slider-item {
  min-width: 100px;
  margin-right: var(--spacing-sm);
  text-align: center;
}

.slider-controls {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.slider-controls button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: 0 10px;
  box-shadow: none;
}

.slider-controls button:hover {
  color: var(--primary-dark);
  transform: none;
  box-shadow: none;
}

.toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.toggle-container span {
  margin: 0 var(--spacing-sm);
  font-size: 0.9rem;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

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

input:focus + .slider {
  box-shadow: 0 0 1px var(--primary-color);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* History Section */
.history-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, rgba(74, 107, 255, 0.1), rgba(255, 122, 74, 0.1));
}

.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 6px;
  background-color: var(--primary-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
  border-radius: 3px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
}

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

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

.timeline-content {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(odd) .timeline-content::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -50px;
  background-color: var(--white);
  border: 4px solid var(--primary-color);
  top: 20px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-content::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: -50px;
  background-color: var(--white);
  border: 4px solid var(--primary-color);
  top: 20px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-year {
  position: absolute;
  top: -30px;
  background: linear-gradient(135deg, var(--primary-color), var(--complementary-color));
  color: var(--white);
  padding: 5px 15px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: var(--heading-font);
}

.timeline-content img {
  margin: var(--spacing-sm) auto 0;
  border-radius: var(--radius-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Events Calendar Section */
.events-section {
  padding: var(--spacing-xl) 0;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.event-card {
  display: flex;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.event-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.event-date {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  min-width: 80px;
}

.event-date .day {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  font-size: 1rem;
  text-transform: uppercase;
  margin-top: 5px;
}

.event-content {
  padding: var(--spacing-md);
  flex: 1;
}

.event-location {
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

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

/* Webinars Section */
.webinars-section {
  padding: var(--spacing-xl) 0;
}

.webinar-slider {
  position: relative;
  overflow: hidden;
  margin-top: var(--spacing-lg);
}

.webinar-slide {
  width: 100%;
  flex-shrink: 0;
}

.webinar-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin: 0 var(--spacing-md);
}

.webinar-card .card-image {
  width: 100%;
  height: 250px;
}

.webinar-card .card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.webinar-date {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.webinar-prev,
.webinar-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  z-index: 1;
  transition: all var(--transition-fast);
}

.webinar-prev {
  left: 20px;
}

.webinar-next {
  right: 20px;
}

.webinar-prev:hover,
.webinar-next:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Customer Stories Section */
.stories-section {
  padding: var(--spacing-xl) 0;
}

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

.story-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.story-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.story-card .card-image {
  width: 100%;
  height: 200px;
}

.story-card .card-content {
  padding: var(--spacing-md);
  text-align: center;
}

/* Careers Section */
.careers-section {
  padding: var(--spacing-xl) 0;
}

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

.career-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.career-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.career-card .card-image {
  width: 100%;
  height: 200px;
}

.career-card .card-content {
  padding: var(--spacing-md);
  text-align: center;
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: var(--spacing-sm);
}

.skill-tag {
  padding: 5px 10px;
  background-color: rgba(74, 107, 255, 0.1);
  color: var(--primary-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, rgba(74, 107, 255, 0.05), rgba(255, 122, 74, 0.05));
}

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

.contact-form {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background: var(--white);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-md);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  padding-left: 35px;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: #eee;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  background-color: #ccc;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.contact-info {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background: var(--white);
}

.info-item {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.info-item .icon {
  margin-right: var(--spacing-sm);
  font-size: 1.5rem;
  color: var(--primary-color);
}

.info-item .text h4 {
  margin-bottom: var(--spacing-xs);
}

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

.map-container img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* Footer Section */
.footer-section {
  background-color: #252836;
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

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

.footer-links-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--complementary-color);
}

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

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

.footer-links-column a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
  display: inline-block;
}

.footer-links-column a:hover {
  color: var(--complementary-color);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  flex-direction: column;
}

.social-links a {
  position: relative;
  padding-left: 30px;
}

.social-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform var(--transition-fast);
}

.social-links a[href*="facebook"]::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><path d="M18 2h-3a5 5 0 00-5 5v3H7v4h3v8h4v-8h3l1-4h-4V7a1 1 0 011-1h3V2z"/></svg>');
}

.social-links a[href*="twitter"]::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><path d="M23 3a10.9 10.9 0 01-3.14 1.53 4.48 4.48 0 00-7.86 3v1A10.66 10.66 0 013 4s-4 9 5 13a11.64 11.64 0 01-7 2c9 5 20 0 20-11.5a4.5 4.5 0 00-.08-.83A7.72 7.72 0 0023 3z"/></svg>');
}

.social-links a[href*="instagram"]::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><rect x="2" y="2" width="20" height="20" rx="5" ry="5"/><path d="M16 11.37A4 4 0 1112.63 8 4 4 0 0116 11.37zM17.5 6.5h.01"/></svg>');
}

.social-links a[href*="linkedin"]::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23ffffff"><path d="M16 8a6 6 0 016 6v7h-4v-7a2 2 0 00-2-2 2 2 0 00-2 2v7h-4v-7a6 6 0 016-6zM2 9h4v12H2z"/><circle cx="4" cy="4" r="2"/></svg>');
}

.social-links a:hover::before {
  transform: translateY(-50%) scale(1.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Success Page */
.success-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(74, 107, 255, 0.05), rgba(255, 122, 74, 0.05));
  padding: 0 var(--spacing-md);
  text-align: center;
}

.success-content {
  max-width: 600px;
  padding: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.success-icon {
  font-size: 5rem;
  color: #4CAF50;
  margin-bottom: var(--spacing-md);
}

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

/* Privacy and Terms Pages */
.privacy-page, 
.terms-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

.privacy-content, 
.terms-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h1, 
.terms-content h1 {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

/* Media Queries */
@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .timeline::after {
    left: 31px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  
  .timeline-item:nth-child(even) {
    left: 0;
  }
  
  .timeline-item:nth-child(odd) .timeline-content::after,
  .timeline-item:nth-child(even) .timeline-content::after {
    left: -36px;
    right: auto;
  }
}

@media (max-width: 768px) {
  .desktop-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-menu.active {
    display: block;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    margin-bottom: var(--spacing-sm);
    width: 100%;
  }
  
  .research-grid, 
  .events-grid, 
  .stories-grid, 
  .careers-grid {
    grid-template-columns: 1fr;
  }
  
  .event-card {
    flex-direction: column;
  }
  
  .event-date {
    flex-direction: row;
    justify-content: center;
    padding: var(--spacing-sm);
    width: 100%;
  }
  
  .event-date .day {
    margin-right: var(--spacing-xs);
  }
  
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
  
  .footer-links-column h3::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .social-links {
    align-items: center;
  }
}

@media (max-width: 576px) {
  section {
    padding: var(--spacing-md) 0;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.8rem;
  }
}