:root {
  --primary: #0d1b2a;
  --secondary: #1b263b;
  --accent: #00ffcc;
  --text: #e0e1dd;
  --highlight: #00e6b8;
  --card-bg: #162447;
}

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

@font-face {
  font-family: 'Montserrat';
  src: local('Montserrat'), url('https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_vx3rCs.woff2') format('woff2');
}

@font-face {
  font-family: 'Roboto';
  src: local('Roboto'), url('https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2') format('woff2');
}

body {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text);
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  padding-top: 80px;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--secondary);
  padding: 1rem 2rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--accent);
  background: rgba(0, 255, 204, 0.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(0, 255, 204, 0.2);
}

.hero-text h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: translateY(-10px);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--primary);
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 255, 204, 0.3);
}

.btn:hover {
  background: var(--highlight);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 230, 184, 0.4);
}

.section {
  margin-bottom: 4rem;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 255, 204, 0.1);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 255, 204, 0.3);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.code-block {
  background: #0f172a;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
  overflow-x: auto;
  border-left: 4px solid var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #e2e8f0;
}

.code-block code {
  display: block;
  white-space: pre;
}

.footer {
  background: var(--secondary);
  padding: 3rem 0;
  text-align: center;
  margin-top: 4rem;
  border-top: 1px solid rgba(0, 255, 204, 0.2);
}

.footer-text {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 1rem;
}

.notice {
  background: rgba(0, 255, 204, 0.1);
  border-left: 4px solid var(--accent);
  padding: 1rem;
  margin: 2rem 0;
  border-radius: 0 4px 4px 0;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
  }
  
  .nav {
    display: none;
  }
  
  .container {
    padding: 1rem;
  }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

.highlight {
  color: var(--accent);
  font-weight: 500;
}