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

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Orbitron', sans-serif;
  background: linear-gradient(135deg, #0A0A0A, #63B8FF, #FF69B4);
  color: #FFFFFF;
  overflow-x: hidden;
  position: relative;
}

header {
  width: 100%;
  padding: 20px;
  background: rgba(10, 10, 10, 0.8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  z-index: 1000;
}

header h1 {
  font-size: 24px;
  color: #FFA500;
  text-shadow: 0 0 10px #FFA500, 0 0 20px #FFA500;
}

nav a {
  color: #00FFFF;
  margin-left: 15px;
  text-decoration: none;
  position: relative;
}

nav a::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: #00FFFF;
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle, rgba(255,135,0,0.5), transparent);
  animation: aurora-move 15s linear infinite;
}

.hero h2 {
  font-size: 48px;
  color: #FF69B4;
  text-shadow: 0 0 20px #FF69B4, 0 0 30px #FF69B4;
}

section {
  padding: 100px 20px 50px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 36px;
  color: #FFA500;
  margin-bottom: 20px;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  width: 100px;
  height: 4px;
  background: #00FFFF;
  display: block;
  margin: 10px auto 0;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease-in-out;
  position: relative;
}

.card:hover {
  transform: scale(1.05);
}

.card img {
  width: 100%;
  border-radius: 10px;
}

.card h3 {
  margin: 15px 0;
  color: #FFA500;
}

.card p {
  font-size: 16px;
  line-height: 1.5;
}

.article-section {
  margin-top: 50px;
}

.article-section h2 {
  font-size: 32px;
  color: #00FFFF;
  margin-bottom: 20px;
}

.article-section h3 {
  font-size: 24px;
  color: #FFA500;
  margin-top: 30px;
}

.article-section p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-section pre {
  background: rgba(0, 0, 0, 0.7);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}

.article-section code {
  color: #00FFFF;
  font-family: 'Courier New', Courier, monospace;
}

.footer {
  background: rgba(10, 10, 10, 0.8);
  padding: 20px;
  text-align: center;
  color: #FFFFFF;
  position: relative;
}

.particles {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #FFA500;
  border-radius: 50%;
  animation: float 5s infinite ease-in-out;
}

@keyframes aurora-move {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-100px); opacity: 0; }
}

@media (max-width: 1440px) {
  .hero h2 {
    font-size: 40px;
  }

  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 1200px) {
  .hero h2 {
    font-size: 36px;
  }

  .section-title {
    font-size: 28px;
  }
}

@media (max-width: 1024px) {
  header h1 {
    font-size: 20px;
  }

  .hero h2 {
    font-size: 32px;
  }

  .section-title {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .hero h2 {
    font-size: 28px;
    text-align: center;
  }

  nav {
    display: none;
  }

  .card-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 24px;
  }

  .section-title {
    font-size: 20px;
  }

  .card h3 {
    font-size: 20px;
  }

  .card p {
    font-size: 14px;
  }
}

@media (max-width: 320px) {
  .hero h2 {
    font-size: 20px;
  }

  .section-title {
    font-size: 18px;
  }

  .card h3 {
    font-size: 18px;
  }

  .card p {
    font-size: 12px;
  }
}