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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f5f5;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow-x: hidden;
}

/* Navigation */
nav {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

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

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  /* padding: 1rem 2rem; */
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.logo-img {
  height: 50px;
  width: auto;
  border-radius: 8px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #00d4ff;
}

.language-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.lang-btn.active {
  background: #00d4ff;
  border-color: #00d4ff;
  color: #1a1a2e;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}

.nav-menu a:hover {
  color: #00d4ff;
}



.social-icons {
  list-style: none;
  /* ডিফল্ট ডট রিমুভ */
  display: flex;
  /* Flex ব্যবহার */
  justify-content: center;
  /* মাঝখানে আনবে */
  gap: 15px;
  /* আইকনের মাঝে ফাঁকা */
  padding: 0;
  /* ডিফল্ট প্যাডিং বাদ */
  margin: 20px 0;
  /* উপর-নিচে একটু ফাঁকা */
}

.social-icons li {
  display: inline-block;
  font-size: 20px;
  /* আইকনের সাইজ */
}

.social-icons li i {
  color: aliceblue;
  ;
  /* আইকনের রঙ */
  transition: color 0.3s;
  /* hover ইফেক্ট */
}

.social-icons li i:hover {
  color: #007bff;
  /* hover এ নীল রঙ */
}




/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 1.3rem;
  opacity: 0.9;
  position: relative;
  z-index: 2;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

@media (max-width: 992px) {
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1.1rem; }
  .slide-content { min-height: 320px; padding: 2rem; }
}

@media (max-width: 768px) {
  .nav-container { flex-wrap: wrap; gap: 0.75rem; }
  .logo-img { height: 40px; }
  .nav-toggle { display: inline-block; }
  .nav-menu { display: none; flex-direction: column; gap: 1rem; width: 100%; margin-top: 0.5rem; }
  .nav-menu.active { display: flex; }
  .language-switcher { width: 100%; justify-content: flex-end; }

  .hero { padding: 3rem 1rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .slider-container { padding: 0 1rem; }
  .slide h3 { font-size: 1.6rem; }
  .slide p { font-size: 1rem; max-width: 100%; }
}

@media (max-width: 480px) {
  .logo { font-size: 1.1rem; }
  .lang-btn { padding: 0.4rem 0.8rem; }
  .slide-icon { font-size: 3rem; }
}

/* Image Slider */
.slider-container {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}

.slider {
  position: relative;
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.slides {
  display: flex;
  transition: transform 0.5s ease;
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide-content {
  padding: 3rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.slide-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.slide h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.slide p {
  font-size: 1.1rem;
  max-width: 600px;
}

.slider-nav {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background 0.3s;
}

.slider-dot.active {
  background: white;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.3);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  transition: background 0.3s;
}

.slider-arrow:hover {
  background: rgba(255, 255, 255, 0.5);
}

.slider-arrow.prev {
  left: 20px;
}

.slider-arrow.next {
  right: 20px;
}

/* Content Sections */
.section {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 2rem;
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

.section:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #1a1a2e;
  border-bottom: 3px solid #667eea;
  padding-bottom: 0.5rem;
}

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

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-image {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  color: white;
  min-height: 300px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.contact-card {
  background: linear-gradient(145deg, #f8f9ff 0%, #ffffff 100%);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.contact-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.contact-card:hover::before {
  opacity: 0.1;
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #667eea;
}

.contact-card h3 {
  margin-bottom: 0.5rem;
  color: #1a1a2e;
}

/* Donation Section */
.donation-container {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 3rem;
  border-radius: 15px;
  margin-top: 2rem;
}

.donation-header {
  text-align: center;
  margin-bottom: 2rem;
}

.donation-header h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.payment-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.payment-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.payment-card h4 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.payment-details {
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 5px;
  margin-top: 1rem;
}

.payment-details p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
}

.payment-details strong {
  display: inline-block;
  min-width: 75px;
}

.amount-input {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1rem;
  margin-top: 1rem;
}

.amount-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.donate-btn {
  width: 100%;
  padding: 1rem;
  background: white;
  color: #667eea;
  border: none;
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  margin-top: 1rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.donate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Chat Buttons */
.chat-buttons {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  /* z-index: 999; */
  z-index: 1001;
}

.chat-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s;
}

.chat-btn:hover {
  transform: scale(1.1);
}

.facebook-btn {
  background: #1877f2;
  color: white;
}

.whatsapp-btn {
  background: #25d366;
  color: white;
}

/* News Section */
.news-header {
  text-align: center;
  margin-bottom: 2rem;
}

.news-header p {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 1rem;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.news-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* News Tabs */
.news-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border: 2px solid rgba(102, 126, 234, 0.2);
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  font-size: 1rem;
}

.tab-btn:hover {
  background: rgba(102, 126, 234, 0.2);
  transform: translateY(-2px);
}

.tab-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* News Content Sections */
.news-content-section {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.news-content-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Video News Styles */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.video-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

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

.video-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}

.play-button {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #667eea;
  transition: all 0.3s;
}

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

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

.video-info {
  padding: 1.5rem;
}

.video-info h3 {
  margin-bottom: 0.5rem;
  color: #1a1a2e;
  font-size: 1.1rem;
}

.video-date {
  color: #667eea;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.video-info p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.video-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: #888;
}

/* Blog Posts Styles */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.blog-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.blog-card.featured {
  grid-column: span 2;
}

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

.blog-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
}

.blog-category {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(255, 255, 255, 0.9);
  color: #667eea;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
}

.blog-content {
  padding: 1.5rem;
}

.blog-content h3 {
  margin-bottom: 0.8rem;
  color: #1a1a2e;
  font-size: 1.2rem;
  line-height: 1.4;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: #888;
}

.blog-date {
  color: #667eea;
}

.blog-content p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.news-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.1);
  position: relative;
}

.news-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(240, 147, 251, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.news-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.news-card:hover::after {
  opacity: 1;
}

.news-image {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  /* height: 200px; */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
}

.message {
    text-align: center;
    color: #ffffff;
    margin: 10px 15px 0px 15px;
}

.news-content {
  padding: 1.5rem;
}

.news-date {
  color: #667eea;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.news-content h3 {
  margin-bottom: 0.5rem;
  color: #1a1a2e;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .slide-content {
    padding: 2rem;
    min-height: 300px;
  }

  .slider-arrow {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .news-tabs {
    gap: 0.5rem;
  }

  .tab-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

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

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

  .blog-card.featured {
    grid-column: span 1;
  }

  .video-card,
  .blog-card {
    margin: 0 1rem;
  }

  .blog-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .section {
    padding: 1rem 1rem !important;
  }
  .donation-container{
    padding: 0px !important;
  }
  .donation-header{
    padding: 10px !important;
  }
  .payment-methods{
    padding: 5px;
  }
}