.hero {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 0;
  background: linear-gradient(135deg, var(--color-bg-medium), var(--color-bg-dark));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 184, 217, 0.2), transparent);
  animation: pulse 5s infinite ease-in-out;
  opacity: 0.8;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.9; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.logo {
  max-width: min(300px, 80vw);
  height: auto;
  display: block;
  margin: 0 auto var(--spacing-lg);
  transition: transform var(--transition-speed);
}

.logo:hover {
  transform: scale(1.05) rotate(2deg);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-primary);
  text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.7);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  font-weight: 900;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  margin: 0 auto var(--spacing-xl);
  max-width: 800px;
  line-height: 1.6;
}

.buy-dropdown {
  position: relative;
  display: inline-block;
}

.buy-dropdown-btn {
  background-color: var(--color-secondary);
  position: relative;
  padding-right: 3rem;
}

.buy-dropdown-btn::after {
  content: '▼';
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8em;
  transition: transform var(--transition-speed);
}

.buy-dropdown.active .buy-dropdown-btn::after {
  transform: translateY(-50%) rotate(180deg);
}

.buy-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-medium);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed);
  z-index: 100;
  border: 2px solid var(--color-primary);
}

.buy-dropdown.active .buy-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.buy-dropdown-menu a {
  display: block;
  color: var(--color-text-light);
  text-decoration: none;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-speed);
  font-weight: 600;
}

.buy-dropdown-menu a:hover,
.buy-dropdown-menu a:focus {
  background-color: var(--color-primary);
  color: var(--color-text-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature {
  background-color: var(--color-bg-medium);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
}

.feature:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 24px rgba(0, 184, 217, 0.4);
  border-color: var(--color-primary);
}

.feature h3 {
  color: var(--color-secondary);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  margin-bottom: var(--spacing-md);
}

.feature p {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.feature img {
  width: min(200px, 100%);
  height: min(200px, 100%);
  object-fit: contain;
  display: block;
  margin: 0 auto var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: transform var(--transition-speed);
}

.feature a:focus img,
.feature a:hover img {
  transform: scale(1.05);
}

.how-to-buy-carousel {
  position: relative;
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  background: var(--color-bg-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-primary);
}

.carousel-content {
  overflow: hidden;
  position: relative;
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-speed);
}

.carousel-slide {
  min-width: 100%;
  padding: var(--spacing-md);
}

.carousel-slide h4 {
  color: var(--color-accent);
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  margin-bottom: var(--spacing-md);
}

.carousel-slide p {
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.8;
}

.carousel-controls {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.carousel-btn {
  background: var(--color-primary);
  color: var(--color-text-dark);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-speed);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover,
.carousel-btn:focus {
  background: var(--color-accent);
  transform: scale(1.1);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: scale(1);
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.carousel-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition-speed);
  padding: 0;
}

.carousel-indicator.active {
  background: var(--color-primary);
  transform: scale(1.3);
}

.tokenomics-accordion {
  max-width: 1000px;
  margin: var(--spacing-xl) auto;
}

.accordion-item {
  background: var(--color-bg-medium);
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 2px solid transparent;
  transition: all var(--transition-speed);
}

.accordion-item.active {
  border-color: var(--color-primary);
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text-light);
  padding: var(--spacing-lg);
  text-align: left;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-speed);
}

.accordion-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-header::after {
  content: '+';
  font-size: 2rem;
  transition: transform var(--transition-speed);
}

.accordion-item.active .accordion-header::after {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-list {
  max-width: 900px;
  margin: var(--spacing-xl) auto;
}

.faq-item {
  background: var(--color-bg-medium);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-primary);
}

.faq-question {
  color: var(--color-accent);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.faq-answer {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 768px) and (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .buy-dropdown-menu {
    left: 0;
    right: 0;
    transform: none;
    margin: 0 var(--spacing-md);
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}