/* HERO CTA BUTTONS */
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero-primary,
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.btn-hero-primary {
  background: linear-gradient(135deg, #f0a623 0%, #d9991a 100%);
  color: #fff;
  border: 2px solid transparent;
}

.btn-hero-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(240,166,35,0.4);
  color: #fff;
}

.btn-hero-secondary {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-4px);
  color: #fff;
}

/* STATS SECTION */
.stats-section {
  background: linear-gradient(135deg, #f0a623 0%, #d9991a 100%);
  padding: 60px 16px;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
  opacity: 0.5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  color: #fff;
}

.stat-icon {
  margin-bottom: 16px;
  display: inline-block;
}

.stat-icon svg {
  stroke: #fff;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.stat-label {
  font-size: 16px;
  font-weight: 500;
  opacity: 0.95;
}

/* VIDEO SECTION */
.video-section {
  background: #f8f8f8;
  padding: 80px 16px;
  position: relative;
  z-index: 1;
}

.video-grid-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  justify-items: center;
}

.video-item {
  width: 100%;
  max-width: 340px;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

/* YouTube Shorts - 9:16 aspect ratio */
.video-container.video-shorts {
  padding-bottom: 0;
  height: 600px;
  width: 100%;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.video-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 15px;
  color: #666;
  font-weight: 500;
}

/* FAQ SECTION */
.faq-section {
  background: #fff;
  padding: 80px 16px;
  position: relative;
  z-index: 1;
}

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

.faq-item {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: #f0a623;
  box-shadow: 0 4px 16px rgba(240,166,35,0.1);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: #f0a623;
}

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  stroke: #f0a623;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: #555;
  line-height: 1.8;
  margin: 0;
}

/* INSTAGRAM SECTION */
.instagram-section {
  background: #f8f8f8;
  padding: 80px 16px;
  position: relative;
  z-index: 1;
}

.instagram-subtitle {
  text-align: center;
  font-size: 18px;
  color: #666;
  margin-top: -32px;
  margin-bottom: 48px;
  font-weight: 500;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto 40px;
}

.instagram-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 12px;
  display: block;
  transition: transform 0.3s ease;
}

.instagram-item:hover {
  transform: scale(1.05);
  z-index: 2;
}

.instagram-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.instagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(240,166,35,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.instagram-item:hover .instagram-overlay {
  opacity: 1;
}

.instagram-overlay svg {
  stroke: #fff;
}

.instagram-cta {
  text-align: center;
}

.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(188,24,136,0.3);
}

.btn-instagram:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(188,24,136,0.4);
  color: #fff;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .stat-number {
    font-size: 36px;
  }
  
  .stat-label {
    font-size: 14px;
  }
  
  .faq-question {
    font-size: 16px;
    padding: 16px 20px;
  }
  
  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  /* Video section mobile */
  .video-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .video-item {
    max-width: 280px;
  }
  
  .video-container.video-shorts {
    height: 500px;
  }
  
  /* Ẩn video thứ 2 và 3 trên mobile */
  .video-desktop-only {
    display: none;
  }
}