:root {
  --primary: #000000;
  --secondary: #ffffff;
  --accent: #7289da;
  --dark-bg: #121212;
  --card-bg: #1e1e1e;
  --text: #e0e0e0;
  --radius: 8px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease-in-out;
}

.section-title {
  text-align: center;
  margin-block-end: 40px;
}

.user-avatar {
  inline-size: 40px;
  block-size: 40px;
  border-radius: 50%;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.2s;
}

.user-avatar:hover {
  transform: scale(1.05);
}

.hero {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, #1a1a1a 100%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-block-end: 20px;
  color: var(--secondary);
}

.hero p {
  font-size: 1.2rem;
  max-inline-size: 700px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 10lvw;
  margin-block-start: 30px;
}

.stats {
  padding: 60px 0;
  background-color: var(--card-bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.stat-card {
  background-color: var(--primary);
  padding: 25px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-block-end: 10px;
}

.stat-label {
  font-size: 1.1rem;
}

.features {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature-card {
  background-color: var(--card-bg);
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

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

.feature-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-block-end: 15px;
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0;
  }

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

  .hero p {
    font-size: 1rem;
    padding: 0 15px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}

@media (max-width: 768px) {
  .stats,
  .features {
    padding: 40px 0;
  }

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

  .stat-card,
  .feature-card {
    padding: 20px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .hero h1 {
    font-size: 2.2rem;
  }

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

@media (min-width: 1025px) {
  .stats-grid,
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}