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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: #333;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #667eea;
}

.nav-logo i {
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #667eea;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #667eea;
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
  z-index: -1;
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.highlight {
  background: linear-gradient(135deg, #ffeaa7, #fab1a0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-tagline {
  font-size: 1.1rem;
  font-style: italic;
  opacity: 0.9;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1.5rem;
  animation: bounce 2s infinite;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  padding: 6rem 0;
  background: #f8f9fa;
}

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.about-content h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #667eea;
  margin-bottom: 1.5rem;
}

.about-content h3 i {
  font-size: 1.2rem;
}

.about-story, .about-mission {
  margin-bottom: 3rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.value-item {
  text-align: center;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.value-item:hover {
  transform: translateY(-5px);
}

.value-item i {
  font-size: 2rem;
  color: #667eea;
  margin-bottom: 1rem;
}

.value-item h4 {
  margin-bottom: 0.5rem;
  color: #333;
}

.value-item p {
  font-size: 0.9rem;
  color: #666;
  margin: 0;
}

.about-approach {
  margin-top: 4rem;
}

.about-approach h3 {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #667eea;
  margin-bottom: 3rem;
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
}

.step h4 {
  margin-bottom: 1rem;
  color: #333;
}

.step p {
  color: #666;
  margin: 0;
}

/* Audience Tiles */
.audience-tiles {
  padding: 6rem 0;
  background: white;
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.tile {
  background: white;
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.tile:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.tile-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  transition: transform 0.3s ease;
}

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

.tile-icon i {
  font-size: 2rem;
  color: white;
}

.tile h3 {
  margin-bottom: 1rem;
  color: #333;
}

.tile p {
  color: #666;
  margin-bottom: 1.5rem;
}

.tile-stats {
  font-size: 0.9rem;
  color: #667eea;
  font-weight: 600;
}

/* Audience Sections */
.audience-section {
  padding: 6rem 0;
  position: relative;
}

.audience-section:nth-child(even) {
  background: #f8f9fa;
}

.audience-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.audience-content.reverse {
  direction: rtl;
}

.audience-content.reverse > * {
  direction: ltr;
}

.audience-text h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.audience-text h2 i {
  font-size: 2rem;
}

.audience-text h3 {
  color: #333;
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.challenges, .solutions, .use-cases {
  margin-bottom: 2.5rem;
}

.challenges h4, .solutions h4, .use-cases h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.challenges h4 i {
  color: #e74c3c;
}

.solutions h4 i {
  color: #27ae60;
}

.use-cases h4 i {
  color: #f39c12;
}

.challenges ul, .solutions ul {
  list-style: none;
  padding-left: 0;
}

.challenges li, .solutions li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.challenges li::before {
  content: '⚠️';
  position: absolute;
  left: 0;
}

.solutions li::before {
  content: '✅';
  position: absolute;
  left: 0;
}

.case-study {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  border-left: 4px solid #667eea;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.audience-visual {
  position: relative;
}

.audience-visual img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.testimonial {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  margin-top: -3rem;
  margin-left: 2rem;
  margin-right: 2rem;
  position: relative;
  z-index: 2;
}

.quote {
  margin-bottom: 1.5rem;
}

.quote i {
  color: #667eea;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.quote p {
  font-style: italic;
  color: #555;
  margin: 0;
  line-height: 1.6;
}

.author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info strong {
  display: block;
  color: #333;
  margin-bottom: 0.25rem;
}

.author-info span {
  color: #666;
  font-size: 0.9rem;
}

/* FAQ Section */
.faq {
  padding: 6rem 0;
  background: #f8f9fa;
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 12px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #f8f9fa;
}

.faq-question h3 {
  margin: 0;
  color: #333;
  font-size: 1.1rem;
}

.faq-question i {
  color: #667eea;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 200px;
}

.faq-answer p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* Footer */
.footer {
  background: #2c3e50;
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-logo i {
  font-size: 1.8rem;
  color: #667eea;
}

.footer-section p {
  color: #bdc3c7;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: #34495e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: #667eea;
  transform: translateY(-2px);
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #667eea;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-item i {
  color: #667eea;
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item p {
  margin: 0;
  color: #bdc3c7;
}

.footer-bottom {
  border-top: 1px solid #34495e;
  padding-top: 2rem;
}

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

.legal-links {
  display: flex;
  gap: 2rem;
}

.legal-links a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.legal-links a:hover {
  color: #667eea;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

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

.back-to-top:hover {
  background: #764ba2;
  transform: translateY(-2px);
}

/* Video Library Styles */
.video-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.video-header-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.video-header-content p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  opacity: 0.95;
}

.video-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 500;
}

.stat-item i {
  font-size: 1.3rem;
  opacity: 0.9;
}

.video-library {
  padding: 4rem 0;
  background: #f8f9fa;
}

.video-layout {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.video-categories {
  width: 280px;
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 100px;
  height: fit-content;
}

.video-categories h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  color: #333;
  font-size: 1.2rem;
}

.video-categories h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: #333;
  font-size: 1rem;
}

.category-list, .type-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.category-btn, .type-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #f8f9fa;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  font-size: 0.95rem;
  color: #555;
}

.category-btn:hover, .type-btn:hover {
  background: #e9ecef;
  transform: translateX(5px);
}

.category-btn.active {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.category-btn i, .type-btn i {
  margin-right: 0.75rem;
  width: 16px;
}

.count {
  background: rgba(0, 0, 0, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.category-btn.active .count {
  background: rgba(255, 255, 255, 0.2);
}

.category-divider {
  height: 1px;
  background: #e9ecef;
  margin: 2rem 0;
}

.video-grid-container {
  flex: 1;
}

.video-grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.grid-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.view-toggle {
  display: flex;
  background: #f8f9fa;
  border-radius: 8px;
  padding: 0.25rem;
}

.view-btn {
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #666;
}

.view-btn.active {
  background: white;
  color: #667eea;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.sort-dropdown select {
  padding: 0.5rem 1rem;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  background: white;
  cursor: pointer;
  font-size: 0.9rem;
}

.results-count {
  color: #666;
  font-size: 0.9rem;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.video-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.video-thumbnail {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-card:hover .video-overlay {
  opacity: 1;
}

.play-btn {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-btn:hover {
  background: white;
  transform: scale(1.1);
}

.play-btn i {
  font-size: 1.5rem;
  color: #667eea;
  margin-left: 3px;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.video-category {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.video-info {
  padding: 1.5rem;
}

.video-info h3 {
  margin-bottom: 0.75rem;
  color: #333;
  font-size: 1.1rem;
  line-height: 1.4;
}

.video-info p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.video-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #888;
}

.video-date, .video-views {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.load-more-container {
  text-align: center;
  margin-top: 3rem;
}

/* Active navigation link */
.nav-link.active {
  color: #667eea;
  font-weight: 600;
}

.nav-link.active::after {
  width: 100%;
}

/* Video Player Page Styles */
.video-player-section {
  padding: 6rem 0 4rem;
  background: #f8f9fa;
  min-height: 100vh;
}

.video-layout {
/*  display: grid;
  grid-template-columns: 1fr 350px;*/
  gap: 3rem;
  align-items: flex-start;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: #666;
}

.breadcrumb a {
  color: #667eea;
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: #764ba2;
}

.breadcrumb i {
  font-size: 0.8rem;
  color: #999;
}

/* Video Player */
.video-player-container {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: 2rem 1.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.play-button {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-button:hover {
  background: white;
  transform: scale(1.1);
}

.play-button i {
  font-size: 1.2rem;
  color: #667eea;
  margin-left: 2px;
}

.video-progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}

.progress-fill {
  height: 100%;
  background: #667eea;
  transition: width 0.3s ease;
}

.time-display {
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  min-width: 80px;
}

.video-actions {
  display: flex;
  gap: 0.5rem;
}

.video-actions button {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.video-actions button:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Video Information */
.video-info-section {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.video-header h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #333;
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: #666;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.video-category {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white !important;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
}

.video-actions-bar {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid #e9ecef;
  border-bottom: 1px solid #e9ecef;
  margin-bottom: 2rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #f8f9fa;
  border: none;
  border-radius: 8px;
  color: #555;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.action-btn:hover {
  background: #e9ecef;
  color: #333;
}

.action-btn.like-btn:hover {
  background: #e3f2fd;
  color: #1976d2;
}

.video-description h3 {
  margin-bottom: 1rem;
  color: #333;
}

.video-description p {
  line-height: 1.7;
  margin-bottom: 2rem;
}

.description-highlights,
.description-details {
  margin-bottom: 2rem;
}

.description-highlights h4,
.description-details h4 {
  color: #667eea;
  margin-bottom: 1rem;
}

.description-highlights ul {
  list-style: none;
  padding-left: 0;
}

.description-highlights li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.description-highlights li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: bold;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.result-item {
  text-align: center;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 12px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.result-item:hover {
  border-color: #667eea;
  transform: translateY(-2px);
}

.result-number {
  font-size: 2rem;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 0.5rem;
}

.result-label {
  font-size: 0.9rem;
  color: #666;
  font-weight: 500;
}

.video-tags {
  margin-top: 2rem;
}

.video-tags h4 {
  color: #333;
  margin-bottom: 1rem;
}

.tag {
  display: inline-block;
  background: #e9ecef;
  color: #555;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  transition: all 0.3s ease;
}

.tag:hover {
  background: #667eea;
  color: white;
  cursor: pointer;
}

/* Related Videos */
.related-videos-section {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.related-videos-section h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  color: #333;
}

.related-videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.related-video-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.related-video-card:hover {
  background: #f8f9fa;
  transform: translateY(-2px);
}

.related-thumbnail {
  position: relative;
  width: 120px;
  height: 68px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.related-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-duration {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
}

.related-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: #333;
  line-height: 1.3;
}

.related-info p {
  font-size: 0.8rem;
  color: #666;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.related-meta {
  font-size: 0.75rem;
  color: #888;
}

/* Video Sidebar */
.video-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.playlist-section {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.playlist-header {
  margin-bottom: 1.5rem;
}

.playlist-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: #333;
  font-size: 1.1rem;
}

.playlist-info {
  font-size: 0.9rem;
  color: #666;
}

.playlist-videos {
  max-height: 500px;
  overflow-y: auto;
  margin-bottom: 1.5rem;
}

.playlist-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 0.5rem;
}

.playlist-item:hover {
  background: #f8f9fa;
}

.playlist-item.active {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.playlist-thumbnail {
  position: relative;
  width: 80px;
  height: 45px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.playlist-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-duration {
  position: absolute;
  bottom: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  font-size: 0.6rem;
  font-weight: 500;
}

.now-playing {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: rgba(102, 126, 234, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.6rem;
}

.playlist-info h4 {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: #333;
  line-height: 1.3;
}

.playlist-info p {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.playlist-meta {
  font-size: 0.7rem;
  color: #888;
}

.playlist-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Quick Actions */
.quick-actions {
  background: white;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.quick-actions h4 {
  margin-bottom: 1rem;
  color: #333;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #f8f9fa;
  border: none;
  border-radius: 8px;
  color: #555;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  font-size: 0.9rem;
}

.action-button:hover {
  background: #e9ecef;
  color: #333;
  transform: translateX(5px);
}

.action-button i {
  color: #667eea;
  width: 16px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* About Page Styles */
.about-hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.about-hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.company-story {
  padding: 6rem 0;
  background: #f8f9fa;
}

.story-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.story-content h2 {
  color: #667eea;
  margin-bottom: 2rem;
}

.story-visual img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.mission-vision {
  padding: 6rem 0;
  background: white;
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.mission-card, .vision-card {
  text-align: center;
  padding: 3rem;
  background: #f8f9fa;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

.card-icon i {
  font-size: 2rem;
  color: white;
}

.core-values {
  padding: 6rem 0;
  background: #f8f9fa;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.value-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.value-card:hover {
  transform: translateY(-5px);
}

.value-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.value-icon i {
  font-size: 1.5rem;
  color: white;
}

.leadership-team {
  padding: 6rem 0;
  background: white;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.team-member {
  display: flex;
  gap: 1.5rem;
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.member-photo img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}

.member-info h4 {
  margin-bottom: 0.5rem;
  color: #333;
}

.member-title {
  color: #667eea;
  font-weight: 600;
  margin-bottom: 1rem;
}

.member-bio {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.member-social a {
  color: #667eea;
  margin-right: 1rem;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.member-social a:hover {
  color: #764ba2;
}

.company-stats {
  padding: 6rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

.awards-recognition {
  padding: 6rem 0;
  background: white;
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.award-item {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: #f8f9fa;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.award-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.award-icon i {
  font-size: 1.5rem;
  color: white;
}

.award-item h4 {
  margin-bottom: 0.5rem;
  color: #333;
}

.about-cta {
  padding: 6rem 0;
  background: #f8f9fa;
  text-align: center;
}

.cta-content h2 {
  color: #333;
  margin-bottom: 1.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* News Page Styles */
.news-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.news-header-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.featured-news {
  padding: 4rem 0;
  background: #f8f9fa;
}

.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.featured-image {
  position: relative;
}

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

.featured-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.featured-content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.article-category {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
}

.article-date {
  color: #666;
}

.featured-content h2 {
  margin-bottom: 1rem;
}

.featured-content h2 a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.featured-content h2 a:hover {
  color: #667eea;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.article-author img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.read-more {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.read-more:hover {
  color: #764ba2;
}

.news-grid-section {
  padding: 4rem 0;
  background: white;
}

.news-layout {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.news-categories {
  width: 280px;
  background: #f8f9fa;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 100px;
  height: fit-content;
}

.newsletter-signup {
  margin-top: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  font-size: 0.9rem;
}

.newsletter-form button {
  padding: 0.75rem;
  border-radius: 8px;
}

.news-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.news-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.news-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.news-content {
  padding: 1.5rem;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  color: #666;
}

.news-content h3 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.news-content h3 a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.news-content h3 a:hover {
  color: #667eea;
}

.news-content p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.news-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.news-author img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.news-author span {
  font-size: 0.8rem;
  color: #666;
}

.news-engagement {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: #888;
}

/* Single News Article Styles */
.article-header {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.article-header-content h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.article-subtitle {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.article-author-info img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.author-details strong {
  display: block;
  margin-bottom: 0.25rem;
}

.author-details span {
  font-size: 0.9rem;
  opacity: 0.8;
}

.article-social {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.article-content {
  padding: 4rem 0;
  background: white;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
}

.article-image {
  margin-bottom: 3rem;
}

.article-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.image-caption {
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin-top: 1rem;
  text-align: center;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.8;
}

.article-body .lead {
  font-size: 1.3rem;
  font-weight: 400;
  color: #555;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.article-body h2 {
  color: #333;
  margin: 3rem 0 1.5rem;
  font-size: 2rem;
}

.article-body h3 {
  color: #667eea;
  margin: 2.5rem 0 1rem;
  font-size: 1.5rem;
}

.article-body h4 {
  color: #333;
  margin: 2rem 0 1rem;
  font-size: 1.2rem;
}

.article-body blockquote {
  background: #f8f9fa;
  border-left: 4px solid #667eea;
  padding: 2rem;
  margin: 2rem 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  font-size: 1.2rem;
}

.article-body blockquote cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #666;
  font-style: normal;
}

.feature-highlight {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  padding: 3rem;
  border-radius: 16px;
  margin: 3rem 0;
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.feature-highlight h3 {
  color: #667eea;
  margin-bottom: 2rem;
  text-align: center;
}

.article-cta {
  background: #f8f9fa;
  padding: 3rem;
  border-radius: 16px;
  text-align: center;
  margin: 3rem 0;
}

.article-cta h3 {
  color: #333;
  margin-bottom: 1rem;
}

.article-tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #e9ecef;
}

.article-tags h4 {
  margin-bottom: 1rem;
  color: #333;
}

.article-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.author-bio {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.author-bio img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.bio-content h4 {
  margin-bottom: 0.5rem;
  color: #333;
}

.bio-title {
  color: #667eea;
  font-weight: 600;
  margin-bottom: 1rem;
}

.bio-description {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.bio-social a {
  color: #667eea;
  margin-right: 1rem;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.bio-social a:hover {
  color: #764ba2;
}

.related-articles {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.related-articles h4 {
  margin-bottom: 1.5rem;
  color: #333;
}

.related-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e9ecef;
}

.related-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.related-item img {
  width: 80px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.related-content h5 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.related-content h5 a {
  color: #333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.related-content h5 a:hover {
  color: #667eea;
}

.related-date {
  font-size: 0.8rem;
  color: #666;
}

.newsletter-sidebar {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 2rem;
  border-radius: 16px;
  margin-bottom: 2rem;
}

.newsletter-sidebar h4 {
  margin-bottom: 1rem;
}

.newsletter-sidebar p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.newsletter-sidebar .newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.newsletter-sidebar input {
  padding: 0.75rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
}

.newsletter-sidebar button {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.newsletter-sidebar button:hover {
  background: rgba(255, 255, 255, 0.3);
}

.quick-links {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.quick-links h4 {
  margin-bottom: 1.5rem;
  color: #333;
}

.quick-links ul {
  list-style: none;
}

.quick-links li {
  margin-bottom: 0.75rem;
}

.quick-links a {
  color: #666;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: color 0.3s ease;
}

.quick-links a:hover {
  color: #667eea;
}

.quick-links i {
  width: 16px;
  color: #667eea;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  /* Navigation */
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .language-selector {
    margin-left: 0;
    margin-top: 1rem;
    justify-content: center;
  }

  /* Hero */
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  /* Typography */
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }

  .section-header h2 {
    font-size: 2.2rem;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .approach-steps {
    grid-template-columns: 1fr;
  }

  /* Tiles */
  .tiles-grid {
    grid-template-columns: 1fr;
  }

  /* Audience Sections */
  .audience-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .audience-content.reverse {
    direction: ltr;
  }

  .testimonial {
    margin-left: 0;
    margin-right: 0;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-legal {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .legal-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .contact-info {
    gap: 1rem;
  }
  
  /* Section CTA Mobile */
  .section-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .section-cta .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Video Player Mobile */
  .video-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .video-sidebar {
    position: static;
    order: -1;
  }

  .video-meta {
    flex-direction: column;
    gap: 0.75rem;
  }

  .video-actions-bar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-videos-grid {
    grid-template-columns: 1fr;
  }

  .related-video-card {
    flex-direction: column;
    text-align: center;
  }

  .related-thumbnail {
    width: 100%;
    height: 150px;
  }

  .playlist-videos {
    max-height: 300px;
  }

  .video-controls {
    padding: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .video-progress {
    order: -1;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .btn-large {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  .tile {
    padding: 1.5rem;
  }

  .testimonial {
    padding: 1.5rem;
  }

  .faq-question {
    padding: 1rem;
  }

  .faq-item.active .faq-answer {
    padding: 0 1rem 1rem;
  }

  .video-info-section,
  .playlist-section,
  .quick-actions {
    padding: 1rem;
  }

  .video-header h1 {
    font-size: 1.5rem;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .about-hero-content h1 {
    font-size: 2.5rem;
  }

  .news-header-content h1 {
    font-size: 2.5rem;
  }

  .article-header-content h1 {
    font-size: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  /* About Page Mobile */
  .story-grid {
    grid-template-columns: 1fr;
  }

  .mission-vision-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .team-member {
    flex-direction: column;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .awards-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  /* News Page Mobile */
  .featured-article {
    grid-template-columns: 1fr;
  }

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

  .news-categories {
    width: 100%;
    position: static;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  /* Article Mobile */
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    order: -1;
  }

  .article-author-info {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .article-social {
    margin-left: 0;
  }
}