section {
  padding: 5rem 0;
  position: relative;
}

.hero-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 30% 50%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(255, 0, 107, 0.15) 0%, transparent 50%);
  overflow: hidden;
  padding: 8rem 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -5%;
  right: -5%;
  width: 40%;
  height: 80%;
  background: var(--gradient-1);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -5%;
  left: -5%;
  width: 45%;
  height: 75%;
  background: var(--gradient-2);
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

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

.hero-section h1 {
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero-section p {
  font-size: 1.25rem;
  max-width: 800px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-section .btn-primary {
  animation: fadeInUp 1s ease 0.4s both;
  font-size: 1.25rem;
  padding: 18px 50px;
}

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

.table-of-contents {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(0, 217, 255, 0.2);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  padding: 3rem 0;
}

.table-of-contents h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.table-of-contents ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.table-of-contents ul li {
  background: rgba(0, 217, 255, 0.05);
  border-left: 3px solid var(--primary);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.table-of-contents ul li:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: translateX(8px);
}

.table-of-contents ul li a {
  color: rgba(248, 249, 255, 0.9);
  font-weight: 500;
  display: block;
}

.timeline .timeline-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 2.5rem;
}

.timeline .timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--gradient-1);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.6);
}

.timeline .timeline-item::after {
  content: '';
  position: absolute;
  left: 9px;
  top: 20px;
  width: 2px;
  height: calc(100% + 30px);
  background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
}

.timeline .timeline-item:last-child::after {
  display: none;
}

.feature-icons .feature-block {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  border: 1px solid rgba(0, 217, 255, 0.2);
  margin-bottom: 2rem;
  transition: all 0.3s ease;
}

.feature-icons .feature-block:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
  transform: translateX(8px);
}

.tabs-container .tab-content {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  border: 1px solid rgba(0, 217, 255, 0.2);
  margin-bottom: 1.5rem;
}

.cards-grid-3 {
  background: radial-gradient(circle at 50% 50%, rgba(255, 214, 0, 0.1) 0%, transparent 70%);
}

.cards-grid-3 .container > div:not(.card) {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.accordion .accordion-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 16px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

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

.accordion .accordion-header {
  padding: 1.5rem 2rem;
  cursor: pointer;
  margin: 0;
  font-size: 1.25rem;
  color: var(--primary);
  position: relative;
  user-select: none;
  transition: all 0.3s ease;
}

.accordion .accordion-header::after {
  content: '+';
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.accordion .accordion-item.active .accordion-header::after {
  transform: translateY(-50%) rotate(45deg);
}

.accordion .accordion-header:hover {
  background: rgba(0, 217, 255, 0.05);
}

.accordion .accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.accordion .accordion-item.active .accordion-body {
  max-height: 1000px;
  padding: 0 2rem 2rem;
}

.cta-section {
  text-align: center;
  background: var(--gradient-1);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -5%;
  left: -5%;
  width: 50%;
  height: 120%;
  background: var(--gradient-2);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.cta-section h2 {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--dark);
  font-size: 1.25rem;
  padding: 18px 50px;
  position: relative;
  z-index: 1;
}

.cta-section .btn-primary:hover {
  background: var(--accent);
  color: var(--dark);
}

@media (max-width: 1024px) {
  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .table-of-contents ul {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  section {
    padding: 3rem 0;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .hero-section {
    min-height: auto;
    padding: 5rem 0;
  }

  .hero-section p {
    font-size: 1.1rem;
  }

  .hero-section .btn-primary {
    font-size: 1.1rem;
    padding: 16px 40px;
    width: 100%;
  }

  .timeline .timeline-item {
    padding-left: 2rem;
  }

  .cards-grid-3 .container > div:not(.card) {
    grid-template-columns: 1fr;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .cta-section p {
    font-size: 1.1rem;
  }

  .cta-section .btn-primary {
    width: 100%;
  }

  table th,
  table td {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  .btn, .cta-button, .btn-primary {
    padding: 14px 32px;
    font-size: 1rem;
  }
}