:root {
  /* Base Colors */
  --color-primary: #3a5a78;
  --color-primary-light: #4e7091;
  --color-primary-dark: #2a4258;
  --color-secondary: #d97762;
  --color-secondary-light: #e89485;
  --color-secondary-dark: #b55a48;
  --color-tertiary: #58b89d;
  --color-tertiary-light: #7dcab3;
  --color-tertiary-dark: #3e9b7e;
  
  /* Neutral Colors */
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #eeeeee;
  --color-neutral-300: #e0e0e0;
  --color-neutral-400: #bdbdbd;
  --color-neutral-500: #9e9e9e;
  --color-neutral-600: #757575;
  --color-neutral-700: #616161;
  --color-neutral-800: #424242;
  --color-neutral-900: #212121;
  
  /* System Colors */
  --color-success: #66bb6a;
  --color-warning: #ffa726;
  --color-error: #ef5350;
  --color-info: #42a5f5;
  
  /* Text Colors */
  --color-text: var(--color-neutral-800);
  --color-text-light: var(--color-neutral-600);
  --color-text-dark: var(--color-neutral-900);
  --color-text-inverse: var(--color-neutral-50);
  
  /* Background Colors */
  --color-background: var(--color-neutral-50);
  --color-background-alt: var(--color-neutral-100);
  --color-background-card: #ffffff;
  
  /* Border Colors */
  --color-border: var(--color-neutral-300);
  --color-border-light: var(--color-neutral-200);
  --color-border-dark: var(--color-neutral-400);
  
  /* Shadow Values */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  
  /* Spacing Values */
  --spacing-xxs: 0.25rem;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --spacing-xxxl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Typography */
  --font-heading: 'Inter', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Container Width */
  --container-width: 1200px;
  --container-padding: 1.5rem;
  
  /* Z-index layers */
  --z-index-low: 10;
  --z-index-mid: 20;
  --z-index-high: 30;
  --z-index-modal: 100;
  
  /* Button Variants */
  --btn-primary-bg: var(--color-primary);
  --btn-primary-text: white;
  --btn-primary-border: var(--color-primary);
  --btn-primary-hover-bg: var(--color-primary-dark);
  --btn-primary-hover-border: var(--color-primary-dark);
  
  --btn-secondary-bg: transparent;
  --btn-secondary-text: var(--color-primary);
  --btn-secondary-border: var(--color-primary);
  --btn-secondary-hover-bg: var(--color-primary-light);
  --btn-secondary-hover-text: white;
  --btn-secondary-hover-border: var(--color-primary-light);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-xl);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

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

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

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

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

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--color-primary);
  margin: var(--spacing-md) auto 0;
  border-radius: var(--radius-full);
}

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

/* Buttons */
.btn,
button,
input[type='submit'] {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-md);
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.btn:hover,
button:hover,
input[type='submit']:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.btn:active,
button:active,
input[type='submit']:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover-bg);
  color: var(--btn-secondary-hover-text);
  border-color: var(--btn-secondary-hover-border);
}

.btn-text {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  position: relative;
  font-family: var(--font-heading);
  transition: color var(--transition-normal);
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.btn-text:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-text:hover::after {
  width: 100%;
}

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-index-high);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a {
  display: block;
}

.logo img {
  height: 60px;
  width: auto;
  transition: transform var(--transition-normal);
}

.logo img:hover {
  transform: scale(1.05);
}

.main-nav {
  display: flex;
}

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

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

.nav-list a {
  display: block;
  padding: var(--spacing-xs) var(--spacing-xs);
  color: var(--color-text);
  font-weight: 500;
  font-family: var(--font-heading);
  position: relative;
  transition: color var(--transition-normal);
}

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

.nav-list a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

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

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-normal);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  font-weight: 300;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* About Section */
.about {
  background-color: var(--color-background);
}

.about-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xxl);
}

.about-content {
  flex: 1;
  min-width: 300px;
}

.about-image {
  flex: 1;
  min-width: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.about-image:hover {
  transform: scale(1.02);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Projects Section */
.projects {
  background-color: var(--color-background-alt);
}

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

.card {
  background-color: var(--color-background-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.card-image {
  position: relative;
  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-slow);
}

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.card-content p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
  flex-grow: 1;
}

/* Research Section */
.research {
  background-color: var(--color-background);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.research-item {
  background-color: var(--color-background-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.timeline-marker {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-primary);
  margin-right: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.timeline-item:not(:last-child) .timeline-marker::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 2px;
  height: calc(100% + var(--spacing-lg) - 20px);
  background-color: var(--color-primary-light);
  transform: translateX(-50%);
  opacity: 0.3;
}

.timeline-content {
  flex-grow: 1;
}

.timeline-content h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

/* Resources Section */
.resources {
  background-color: var(--color-background-alt);
}

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

.resource-card {
  background-color: var(--color-background-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.resource-icon {
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-normal);
}

.resource-card:hover .resource-icon {
  transform: scale(1.1);
}

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

.resource-card p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

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

.webinars-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.webinar-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

@media (min-width: 768px) {
  .webinar-card {
    flex-direction: row;
  }
}

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

.webinar-image {
  flex-shrink: 0;
  width: 100%;
  max-width: 350px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.webinar-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.webinar-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
}

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

/* News Section */
.news {
  background-color: var(--color-background-alt);
}

.news-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.news-item {
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

@media (min-width: 768px) {
  .news-item {
    flex-direction: row;
  }
}

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

.news-image {
  flex-shrink: 0;
  width: 100%;
  max-width: 350px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.news-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* Awards Section */
.awards {
  background-color: var(--color-background);
  text-align: center;
}

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

.awards-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xl);
}

.award-item {
  background-color: var(--color-background-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  width: 250px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.award-item:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: var(--shadow-lg);
}

.award-image {
  width: 150px;
  height: 150px;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.award-item h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.award-item p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* Careers Section */
.careers {
  background-color: var(--color-background-alt);
}

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

.accordion {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-background-card);
}

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

.accordion-header:hover {
  background-color: var(--color-neutral-100);
}

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

.accordion-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform var(--transition-normal);
}

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

.accordion-content {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.accordion.active .accordion-content {
  padding: var(--spacing-lg);
  max-height: 500px;
  overflow-y: auto;
}

/* Media Section */
.media {
  background-color: var(--color-background);
}

.media-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-md);
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: transparent;
  border: none;
  color: var(--color-text);
  font-weight: 500;
  font-family: var(--font-heading);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-normal);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

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

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

.tab-btn.active::after {
  width: 100%;
}

.tab-content {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tab-content.active {
  display: block;
  opacity: 1;
}

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

.media-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-item:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.media-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.media-item:hover img {
  transform: scale(1.1);
}

.video-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.video-thumbnail {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumbnail:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.video-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.video-thumbnail:hover img {
  transform: scale(1.05);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-normal);
}

.play-button::after {
  content: '';
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-left: 20px solid white;
  border-bottom: 12px solid transparent;
  margin-left: 5px;
}

.video-thumbnail:hover .play-button {
  background-color: var(--color-primary);
}

.video-item h3 {
  margin-top: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-lg);
}

.video-item p {
  text-align: center;
  color: var(--color-text-light);
}

/* Contact Section */
.contact {
  background-color: var(--color-background-alt);
}

.contact-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xxl);
}

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

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

.info-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

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

.contact-form {
  flex: 1;
  min-width: 300px;
  background-color: var(--color-background-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(58, 90, 120, 0.2);
}

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

/* Footer */
.footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-logo {
  flex: 1;
  min-width: 200px;
}

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

.footer-logo p {
  opacity: 0.7;
}

.footer-links {
  flex: 2;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer-links-column {
  flex: 1;
  min-width: 150px;
}

.footer-links-column h3 {
  color: var(--color-neutral-50);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  position: relative;
}

.footer-links-column h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--color-primary);
}

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

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

.footer-links-column a {
  color: var(--color-neutral-400);
  transition: color var(--transition-normal);
}

.footer-links-column a:hover {
  color: var(--color-neutral-50);
  text-decoration: none;
}

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

.social-links a {
  position: relative;
  display: inline-block;
  padding-left: 28px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-neutral-400);
  transition: color var(--transition-normal);
}

.social-links a:hover {
  color: var(--color-neutral-50);
  text-decoration: none;
}

.social-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}

.social-links a[href*="facebook"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%239e9e9e' viewBox='0 0 24 24'%3E%3Cpath d='M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm-2 10h-2v2h2v6h3v-6h1.82l.18-2h-2v-.833c0-.478.096-.667.558-.667h1.442v-2.5h-1.791c-1.953 0-2.209 1.02-2.209 2.333v1.667z'/%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' fill='%239e9e9e' viewBox='0 0 24 24'%3E%3Cpath d='M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm6.5 8.778c-.441.196-.916.328-1.414.388.509-.305.898-.787 1.083-1.362-.476.282-1.003.487-1.564.597-.448-.479-1.089-.778-1.796-.778-1.59 0-2.758 1.483-2.399 3.023-2.045-.103-3.86-1.083-5.074-2.572-.645 1.106-.334 2.554.762 3.287-.403-.013-.782-.124-1.114-.308-.027 1.14.791 2.207 1.975 2.445-.346.094-.726.116-1.112.042.313.978 1.224 1.689 2.3 1.709-1.037.812-2.34 1.175-3.647 1.021 1.09.699 2.383 1.106 3.773 1.106 4.572 0 7.154-3.861 6.998-7.324.482-.346.899-.78 1.229-1.274z'/%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' fill='%239e9e9e' viewBox='0 0 24 24'%3E%3Cpath d='M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm0 7.082c1.602 0 1.792.006 2.425.035 1.627.074 2.385.845 2.46 2.459.028.633.034.822.034 2.424s-.006 1.792-.034 2.424c-.075 1.613-.832 2.386-2.46 2.46-.633.028-.822.035-2.425.035-1.602 0-1.792-.006-2.424-.035-1.63-.075-2.385-.849-2.46-2.46-.028-.632-.035-.822-.035-2.424s.007-1.792.035-2.424c.074-1.615.832-2.386 2.46-2.46.632-.029.822-.034 2.424-.034zm0-1.082c-1.63 0-1.833.007-2.474.037-2.18.1-3.39 1.309-3.49 3.489-.029.641-.036.845-.036 2.474 0 1.63.007 1.834.036 2.474.1 2.179 1.31 3.39 3.49 3.489.641.029.844.036 2.474.036 1.63 0 1.834-.007 2.475-.036 2.176-.099 3.391-1.309 3.489-3.489.029-.64.036-.844.036-2.474 0-1.629-.007-1.833-.036-2.474-.098-2.179-1.31-3.39-3.489-3.489-.641-.03-.845-.037-2.475-.037zm0 2.919c-1.701 0-3.081 1.379-3.081 3.081s1.38 3.081 3.081 3.081 3.081-1.379 3.081-3.081c0-1.701-1.38-3.081-3.081-3.081zm0 5.081c-1.105 0-2-.895-2-2 0-1.104.895-2 2-2 1.104 0 2.001.895 2.001 2 0 1.105-.897 2-2.001 2zm3.202-5.922c-.397 0-.72.322-.72.72 0 .397.322.72.72.72.398 0 .721-.322.721-.72 0-.398-.322-.72-.721-.72z'/%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' fill='%239e9e9e' viewBox='0 0 24 24'%3E%3Cpath d='M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm-2 8c0 .557-.447 1.008-1 1.008s-1-.45-1-1.008c0-.557.447-1.008 1-1.008s1 .452 1 1.008zm0 2h-2v6h2v-6zm3 0h-2v6h2v-2.861c0-1.722 2.002-1.881 2.002 0v2.861h1.998v-3.359c0-3.284-3.128-3.164-4-1.548v-1.093z'/%3E%3C/svg%3E");
}

.social-links a[href*="youtube"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%239e9e9e' viewBox='0 0 24 24'%3E%3Cpath d='M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm-3 17v-10l9 5.146-9 4.854z'/%3E%3C/svg%3E");
}

.social-links a:hover::before {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid var(--color-neutral-800);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-index-modal);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background-color: var(--color-background-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  padding: var(--spacing-xl);
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: translateY(0);
}

.close-modal {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  cursor: pointer;
  transition: color var(--transition-normal);
}

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

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

.success-icon {
  font-size: 80px;
  color: var(--color-success);
  margin-bottom: var(--spacing-xl);
}

.success-title {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-3xl);
}

.success-message {
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
}

/* Privacy and Terms Pages */
.page-content {
  padding-top: 120px;
  padding-bottom: var(--spacing-xxl);
}

.page-content h1 {
  margin-bottom: var(--spacing-xl);
}

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

.page-content p {
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
}

.page-content ul {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-lg);
}

.page-content li {
  margin-bottom: var(--spacing-sm);
}

/* Animations with AOS */
[data-aos] {
  opacity: 0;
  transition-property: transform, opacity;
  transition-duration: 800ms;
  transition-timing-function: ease;
  transition-delay: 0ms;
}

[data-aos="fade-up"] {
  transform: translateY(50px);
}

[data-aos="fade-down"] {
  transform: translateY(-50px);
}

[data-aos="fade-right"] {
  transform: translateX(-50px);
}

[data-aos="fade-left"] {
  transform: translateX(50px);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Responsive Design */
@media (max-width: 1200px) {
  :root {
    --container-width: 992px;
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  .hero {
    padding: 180px 0 80px;
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 768px;
  }
  
  .header-wrapper {
    height: 70px;
  }
  
  .about-wrapper {
    flex-direction: column;
  }
  
  .about-image {
    order: -1;
    margin-bottom: var(--spacing-lg);
  }
  
  .awards-track {
    justify-content: space-around;
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 100%;
    --container-padding: 1rem;
  }
  
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  h3 {
    font-size: var(--font-size-xl);
  }
  
  .hero {
    padding: 150px 0 60px;
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    margin-bottom: var(--spacing-xl);
  }
  
  .nav-list {
    display: none;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .projects-grid,
  .resources-grid,
  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .footer-top {
    flex-direction: column;
    gap: var(--spacing-xl);
  }
  
  .footer-links {
    flex-wrap: wrap;
  }
  
  .footer-links-column {
    flex-basis: 48%;
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  h2 {
    font-size: var(--font-size-xl);
  }
  
  .hero {
    padding: 120px 0 50px;
    text-align: center;
  }
  
  .hero-content {
    margin: 0 auto;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }
  
  .projects-grid,
  .resources-grid,
  .media-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links-column {
    flex-basis: 100%;
  }
  
  .webinar-card,
  .news-item {
    flex-direction: column;
  }
  
  .webinar-image,
  .news-image {
    max-width: 100%;
  }
}

/* JS Classes */
.mobile-nav-active .nav-list {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--color-background-card);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md);
  z-index: var(--z-index-high);
}

.mobile-nav-active .nav-list li {
  margin: 0;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-active .nav-list li:last-child {
  border-bottom: none;
}

.mobile-nav-active .burger-menu span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-nav-active .burger-menu span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-active .burger-menu span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* For Success Page */
body.success-page-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--color-background);
}

.success-page {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

.success-page .success-icon {
  color: var(--color-success);
  font-size: 80px;
  margin-bottom: var(--spacing-xl);
  animation: successPulse 2s infinite;
}

@keyframes successPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

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

/* Parallax Effect for hero */
@media (min-width: 992px) {
  .hero {
    background-attachment: fixed;
  }
}