@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap");

body {
  font-family: "Inter", sans-serif;
  background-color: #0d0d0d;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  box-sizing: border-box;

  background-image: url("Mandel_zoom_11_satellite_double_spiral.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: -1;
}

.container {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.title {
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(90deg, #ffffff, #b6bdf8, #8000ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  color: #a0a0a0;
  margin-bottom: 2rem;
}

.content-card {
  background-color: #1a1a1a;
  border-radius: 2.5rem;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid #333;
  text-align: left;
  margin-bottom: 2rem;
}

.content-card h3 {
  font-size: 2rem;
  font-weight: 700;
  color: #f0f0f0;
  margin-bottom: 1.5rem;
}

.content-card p {
  line-height: 1.7;
  font-size: 1rem;
  color: #b0b0b0;
}

.button-container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 9999px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn-julia {
  background: linear-gradient(45deg, #0077c2, #00b0ff);
  color: white;
}

.btn-mandelbrot {
  background: linear-gradient(45deg, #ff8c00, #ffc400);
  color: white;
}

@media (max-width: 640px) {
  .title {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1.2rem;
  }

  .content-card {
    padding: 1.5rem;
  }

  .content-card h3 {
    font-size: 1.5rem;
  }

  .button-container {
    flex-direction: column;
    gap: 1rem;
  }
}