:root {
  --primary: linear-gradient(135deg, #00c6ff, #0072ff, #8e2de2, #4a00e0);
  --secondary: #1a1a2e;
  --accent: #00c6ff;
  --text: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.1);
  --border-radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

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

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

.header {
  text-align: center;
  padding: 60px 0 40px;
  position: relative;
}

.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
  z-index: -1;
  opacity: 0.2;
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

h1 {
  font-size: 2.5rem;
  background: linear-gradient(90deg, #00c6ff, #8e2de2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 15px;
}

h2 {
  font-size: 1.8rem;
  color: var(--accent);
  position: relative;
  padding-bottom: 10px;
}

h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--accent);
}

h3 {
  font-size: 1.5rem;
  margin-top: 30px;
}

p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

article {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 40px;
  margin: 40px 0;
  box-shadow: var(--shadow);
}

.code-container {
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 30px 0;
  overflow: auto;
}

pre {
  margin: 0;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: #00ffaa;
}

code {
  font-family: inherit;
}

.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.img-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.img-card:hover {
  transform: translateY(-10px);
}

.img-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

.note {
  background: rgba(0, 198, 255, 0.1);
  border-left: 4px solid var(--accent);
  padding: 15px;
  margin: 20px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.button {
  display: inline-block;
  background: linear-gradient(45deg, #00c6ff, #0072ff);
  color: white;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  margin: 10px 0;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 198, 255, 0.3);
}

.button:hover {
  transform: translateY(-3px);
  background: linear-gradient(45deg, #8e2de2, #4a00e0);
  box-shadow: 0 8px 20px rgba(142, 45, 226, 0.4);
}

.footer {
  text-align: center;
  padding: 30px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  article {
    padding: 25px;
  }
  
  .img-grid {
    grid-template-columns: 1fr;
  }
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 15px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Code block styling */
code[class*="language-"],
pre[class*="language-"] {
  color: #00ffaa;
  background: none;
  font-family: 'Courier New', monospace;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  word-wrap: normal;
  line-height: 1.5;
  tab-size: 4;
  hyphens: none;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6a9955;
}

.token.punctuation {
  color: #d4d4d4;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: #b5cea8;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #ce9178;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
  color: #d4d4d4;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #569cd6;
}

.token.function,
.token.class-name {
  color: #dcdcaa;
}

.token.regex,
.token.important,
.token.variable {
  color: #d16969;
}