:root {
  --primary-color: #0a0f24;
  --secondary-color: #1a1f3a;
  --accent-teal: #1abc9c;
  --accent-orange: #e67e22;
  --text-light: #d1d1d1;
  --text-white: #ffffff;
  --shadow-dark: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-light: 0 4px 15px rgba(26, 188, 156, 0.3);
}

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

body {
  font-family: 'Open Sans', sans-serif;
  background-color: var(--primary-color);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 20px 0;
  box-shadow: var(--shadow-dark);
  position: relative;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Roboto', sans-serif;
  font-weight: bold;
  font-size: 24px;
  color: var(--text-white);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--accent-teal);
}

.notice {
  background-color: var(--accent-orange);
  color: white;
  padding: 15px;
  text-align: center;
  font-size: 16px;
  margin-bottom: 30px;
  border-radius: 5px;
  box-shadow: var(--shadow-light);
}

.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 80px 0;
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: var(--shadow-dark);
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(26, 188, 156, 0.1) 0%, transparent 70%);
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero h1 {
  font-family: 'Roboto', sans-serif;
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--text-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 30px;
}

.hero-image {
  width: 320px;
  height: 320px;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: scale(1.05) rotate(5deg);
}

.content-section {
  background-color: var(--secondary-color);
  padding: 50px;
  margin-bottom: 50px;
  border-radius: 10px;
  box-shadow: var(--shadow-dark);
  position: relative;
  overflow: hidden;
}

.content-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--accent-teal) 0%, transparent 70%);
  opacity: 0.1;
}

h2, h3 {
  font-family: 'Roboto', sans-serif;
  font-weight: bold;
  color: var(--text-white);
  margin-bottom: 25px;
  position: relative;
}

h2 {
  font-size: 32px;
}

h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-orange));
}

h3 {
  font-size: 24px;
  margin-top: 40px;
}

p {
  margin-bottom: 20px;
  font-size: 17px;
}

pre {
  background-color: rgba(10, 15, 36, 0.8);
  padding: 20px;
  border-radius: 8px;
  margin: 25px 0;
  overflow-x: auto;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
  border-left: 4px solid var(--accent-teal);
}

code {
  font-family: 'Courier New', monospace;
  color: var(--accent-teal);
  font-size: 15px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.image-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.image-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(26, 188, 156, 0.3);
}

.image-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.image-card .caption {
  padding: 20px;
  background: linear-gradient(180deg, transparent, rgba(10, 15, 36, 0.8));
}

.footer {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 40px 0;
  text-align: center;
  margin-top: 80px;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
}

.footer p {
  color: var(--text-light);
  font-size: 14px;
}

@media (max-width: 1024px) {
  .hero h1 {
    font-size: 36px;
  }
  
  .content-section {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .content-section {
    padding: 30px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  h3 {
    font-size: 22px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }
  
  .content-section {
    padding: 20px;
  }
  
  .image-grid {
    grid-template-columns: 1fr;
  }
}