/* CSS Variables - Customizable Theme */
:root {
  /* Main Colors - Pastel Corporate Theme */
  --primary-color: #6a98c9;
  --primary-color-dark: #567eab;
  --primary-color-light: #adc5e0;
  
  --secondary-color: #f2b880;
  --secondary-color-dark: #d99b66;
  --secondary-color-light: #ffd4a8;
  
  --accent-color: #88c9a1;
  --accent-color-dark: #6ca683;
  --accent-color-light: #c1e6d0;
  
  /* Neutral Colors */
  --text-color: #333344;
  --text-color-light: #676778;
  --text-color-lighter: #9292a0;
  --text-color-white: #ffffff;
  
  --bg-color: #ffffff;
  --bg-color-light: #f8f9fa;
  --bg-color-dark: #eeeff2;
  
  /* Border Colors */
  --border-color: #e0e0e8;
  --border-color-dark: #c5c5d0;
  
  /* Shadow */
  --box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  --box-shadow-hover: 0 6px 15px rgba(0, 0, 0, 0.12);
  
  /* Typography */
  --font-heading: 'Archivo Black', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Container Widths */
  --container-width-xl: 1280px;
  --container-width-lg: 1140px;
  --container-width-md: 960px;
  --container-width-sm: 720px;
  --container-width-xs: 540px;
}

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

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

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

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

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-md);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

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

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

ul {
  list-style: none;
}

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

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

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  font-size: 1rem;
  line-height: 1.5;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary-color-dark);
  color: var(--text-color);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-hover);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

button, 
input[type='submit'] {
  cursor: pointer;
  font-family: var(--font-body);
}

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

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

.card-image {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-normal);
  margin: 0 auto;
}

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

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  width: 100%;
  text-align: center;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-normal);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo a {
  display: block;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-desktop ul {
  display: flex;
}

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

.nav-desktop ul li a {
  font-weight: 500;
  color: var(--text-color);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-desktop ul li a:hover {
  color: var(--primary-color);
}

.nav-desktop ul li a:hover::after {
  width: 100%;
}

.burger-menu {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1100;
}

.burger-menu span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-color);
  position: absolute;
  transition: all var(--transition-normal);
}

.burger-menu span:nth-child(1) {
  top: 0;
}

.burger-menu span:nth-child(2) {
  top: 9px;
}

.burger-menu span:nth-child(3) {
  top: 18px;
}

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

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

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

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--bg-color);
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  z-index: 1050;
  transition: right var(--transition-normal);
  padding: 5rem var(--spacing-md) var(--spacing-md);
  overflow-y: auto;
}

.mobile-nav.active {
  right: 0;
}

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

.mobile-nav ul li a {
  display: block;
  font-size: 1.25rem;
  padding: var(--spacing-sm) 0;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav ul li a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  color: var(--text-color-white);
}

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

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-content h1 {
  margin-bottom: var(--spacing-md);
  color: var(--text-color-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-color-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Mission Section */
.mission-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
}

.mission-image {
  flex: 1 1 400px;
}

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

.mission-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.stat-item {
  flex: 1 1 120px;
  text-align: center;
  background-color: var(--bg-color-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-text {
  color: var(--text-color-light);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

/* Portfolio Section */
.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: transparent;
  color: var(--text-color);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: var(--text-color-white);
  border-color: var(--primary-color);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

/* Customer Stories / Testimonials */
.testimonials-carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-slide {
  display: none;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--bg-color-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
}

.testimonial-image {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  border: 5px solid var(--bg-color);
  box-shadow: var(--box-shadow);
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.testimonial-position {
  color: var(--text-color-light);
  font-size: 0.9rem;
}

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

.prev-btn,
.next-btn {
  background-color: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color var(--transition-normal);
}

.prev-btn:hover,
.next-btn:hover {
  color: var(--primary-color-dark);
}

.carousel-dots {
  display: flex;
  gap: var(--spacing-xs);
  margin: 0 var(--spacing-sm);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

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

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

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

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

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

.resource-card ul li a {
  color: var(--text-color);
  transition: color var(--transition-normal);
}

.resource-card ul li a:hover {
  color: var(--primary-color);
}

/* Webinars Section */
.webinars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.webinar-card .image-container {
  position: relative;
}

.webinar-date {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--primary-color);
  color: var(--text-color-white);
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  text-align: center;
  min-width: 60px;
}

.webinar-date .day {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.webinar-date .month {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.webinar-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-sm);
}

.webinar-time {
  color: var(--text-color-light);
  font-size: 0.9rem;
}

/* Events Section */
.events-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

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

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
  width: 100%;
}

.timeline-item::after {
  content: '';
  display: block;
  clear: both;
}

.timeline-date {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: var(--text-color-white);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  text-align: center;
  z-index: 1;
  min-width: 100px;
}

.timeline-date .month,
.timeline-date .day,
.timeline-date .year {
  display: block;
}

.timeline-date .day {
  font-size: 1.5rem;
  font-weight: 700;
}

.timeline-content {
  position: relative;
  width: 45%;
  background-color: var(--bg-color-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
  float: right;
  margin-top: 60px;
}

.timeline-item:nth-child(even) .timeline-content {
  float: left;
  margin-top: 60px;
}

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

/* Instructors Section */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

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

.instructor-card .card-image {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1/1;
}

.instructor-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.instructor-socials {
  margin-top: var(--spacing-sm);
}

.instructor-socials a {
  display: inline-block;
  margin: 0 var(--spacing-xs);
  font-size: 1.25rem;
  color: var(--text-color-light);
  transition: color var(--transition-normal);
}

.instructor-socials a:hover {
  color: var(--primary-color);
}

/* Community Section */
.community-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
}

.community-image {
  flex: 1 1 400px;
}

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

.community-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--bg-color-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.benefit-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

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

.benefit-item p {
  font-size: 0.9rem;
  color: var(--text-color-light);
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.news-card .card-image {
  position: relative;
}

.news-date {
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: var(--primary-color);
  color: var(--text-color-white);
  padding: 0.5rem var(--spacing-sm);
  font-size: 0.8rem;
}

.news-card .btn {
  margin-top: var(--spacing-sm);
}

/* Contact Section */
.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

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

.contact-info-item {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--bg-color-light);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow);
}

.contact-info-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.contact-info-item h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--text-color);
}

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

.contact-form {
  flex: 1 1 500px;
}

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

.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: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-color);
  font-family: var(--font-body);
  font-size: 1rem;
}

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

.form-check {
  display: flex;
  align-items: flex-start;
}

.form-check input[type="checkbox"] {
  width: auto;
  margin-right: var(--spacing-xs);
  margin-top: 0.25rem;
}

/* Footer */
.footer {
  background-color: var(--text-color);
  color: var(--text-color-white);
  padding-top: var(--spacing-xl);
}

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

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

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

.footer-links {
  flex: 2 1 600px;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-links-column {
  flex: 1 1 200px;
}

.footer-links-column h3 {
  color: var(--text-color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

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

.footer-links-column ul li a,
.footer-links-column ul li i {
  color: var(--text-color-lighter);
  transition: color var(--transition-normal);
}

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

.social-links {
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-block;
  margin-right: var(--spacing-sm);
  color: var(--text-color-lighter);
  transition: color var(--transition-normal);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom-links a {
  color: var(--text-color-lighter);
  margin-left: var(--spacing-md);
  transition: color var(--transition-normal);
}

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

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  overflow-y: auto;
}

.modal-content {
  background-color: var(--bg-color);
  max-width: 600px;
  margin: 100px auto;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  position: relative;
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color-light);
  transition: color var(--transition-normal);
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--text-color-white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-normal);
  z-index: 900;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-color-dark);
  transform: translateY(-5px);
}

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

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

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

/* Privacy & Terms Pages */
.page-content {
  padding-top: 100px;
  padding-bottom: var(--spacing-xl);
}

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

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

/* Read More Link */
.btn-sm.btn-secondary {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn-sm.btn-secondary:hover {
  background-color: var(--secondary-color-dark);
  transform: translateY(-2px);
}

/* Media Queries */
@media screen and (max-width: 1024px) {
  .events-timeline::before {
    left: 20px;
  }
  
  .timeline-date {
    left: 20px;
    transform: translateX(0);
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    float: right;
    margin-left: 60px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    float: right;
    margin-top: 60px;
  }
}

@media screen and (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  
  .burger-menu {
    display: block;
  }
  
  .section-padding {
    padding: var(--spacing-lg) 0;
  }
  
  .hero {
    min-height: 500px;
  }
  
  .mission-content,
  .community-content,
  .contact-content {
    gap: var(--spacing-md);
  }
}

@media screen and (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
  
  .portfolio-filter {
    flex-direction: column;
    align-items: center;
  }
  
  .portfolio-filter .filter-btn {
    width: 100%;
    text-align: center;
  }
  
  .testimonial-content {
    padding: var(--spacing-md);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .footer-bottom-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }
  
  .footer-bottom-links a {
    margin: 0;
  }
}