:root {
  --main-bg: linear-gradient(to right, #111111, #5c1d4e, #792c78, #df0e9a);
  --secondary-bg: linear-gradient(
    135deg,
    var(--main-dark-color) 0%,
    var(--main-dark-color-secondary) 100%
  );
  --main-bg-opacity: linear-gradient(
    to right,
    rgba(17, 17, 17, 0.9),
    rgba(92, 29, 78, 0.9),
    rgba(121, 44, 120, 0.9),
    rgba(223, 14, 154, 0.9)
  );
  --secondary-bg-opacity: linear-gradient(
    135deg,
    rgba(17, 17, 17, 0.9) 0%,
    rgba(92, 29, 78, 0.9) 100%
  );

  --main-dark-color: #111111;
  --main-dark-color-secondary: #5c1d4e;
  --main-light-color: #df0e9a;
  --main-white: #f8f9fa;
  --main-gray: #888;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--secondary-bg);
  color: var(--main-white);
  min-height: 100vh;
}

.main-container {
  padding: 1rem;
}

.header {
  text-align: center;
  margin-bottom: 50px;
}

.header h1 {
  font-size: 3rem;
  margin-bottom: 10px;
  background: linear-gradient(
    45deg,
    var(--main-light-color),
    var(--main-white)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header p {
  font-size: 1.2rem;
  opacity: 0.8;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.category-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 30px;
  text-decoration: none;
  color: var(--main-white);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  backdrop-filter: blur(10px);
}

.category-card:hover {
  transform: translateY(-10px);
  border-color: var(--main-light-color);
  box-shadow: 0 20px 40px rgba(223, 14, 154, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: inherit;
  text-decoration: none;
}

.category-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--main-light-color);
}

.category-card p {
  opacity: 0.8;
  line-height: 1.6;
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
}

@media (max-width: 768px) {
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .category-card {
    padding: 20px;
  }
}