/* CSS Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Glassmorphism Color Palette */
  --gradient-start: #667eea;
  --gradient-middle: #764ba2;
  --gradient-end: #f093fb;
  --accent-purple: #a78bfa;
  --accent-pink: #ec4899;
  --accent-blue: #60a5fa;

  /* Glass Effect Colors */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --glass-strong: rgba(255, 255, 255, 0.15);

  /* Text Colors */
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-heading: 'Poppins', var(--font-primary);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--text-primary);
  background: #0f0c29;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Gradient Background */
.gradient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  animation: gradientShift 15s ease infinite;
}

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

.gradient-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(166, 139, 250, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 40% 20%, rgba(96, 165, 250, 0.3) 0%, transparent 50%);
  animation: floatingCircles 20s ease-in-out infinite;
}

@keyframes floatingCircles {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.9);
  }
}

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Glass Card Effect */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--glass-shadow),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.glass-card:hover::before {
  left: 100%;
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  padding: var(--spacing-xl);
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 20px rgba(167, 139, 250, 0.3);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 700px;
  margin: 0 auto;
}

/* Article Content */
.article-content {
  padding: var(--spacing-xl) 0;
}

.article-content article {
  padding: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.article-body {
  max-width: 100%;
}

/* Typography */
.article-body h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.3;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  position: relative;
  padding-left: var(--spacing-md);
}

.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: linear-gradient(180deg, var(--accent-purple), var(--accent-pink));
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-purple);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
  line-height: 1.4;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.article-body h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.article-body p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.article-body p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-body ul, .article-body ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
  color: var(--text-secondary);
}

.article-body li::marker {
  color: var(--accent-purple);
}

.article-body blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid var(--accent-purple);
  background: rgba(167, 139, 250, 0.1);
  border-radius: var(--radius-sm);
  font-style: italic;
  color: var(--text-secondary);
}

.article-body code {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  font-size: 0.9em;
  color: var(--accent-blue);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.article-body pre {
  background: rgba(0, 0, 0, 0.4);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-body pre code {
  background: none;
  padding: 0;
  border: none;
  color: var(--text-secondary);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-body th, .article-body td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-body th {
  background: rgba(167, 139, 250, 0.2);
  font-weight: 600;
  color: var(--text-primary);
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

.cta-content {
  padding: var(--spacing-xl);
  text-align: center;
  animation: fadeInUp 1s ease-out 0.4s backwards;
  background: var(--glass-strong);
}

.cta-header {
  margin-bottom: var(--spacing-lg);
}

.cta-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-md);
  border: 4px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.3),
              0 0 0 8px rgba(167, 139, 250, 0.1);
  display: block;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: var(--accent-blue);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.cta-body {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.cta-body p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.cta-actions {
  margin-top: var(--spacing-xl);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
  border: 2px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.4),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(167, 139, 250, 0.6),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:active {
  transform: translateY(0);
}

.cta-arrow {
  transition: transform 0.3s ease;
}

.cta-button:hover .cta-arrow {
  transform: translateX(4px);
}

/* Footer */
.site-footer {
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }

  .hero {
    padding: var(--spacing-xl) 0;
    min-height: 30vh;
  }

  .hero-content,
  .article-content article,
  .cta-content {
    padding: var(--spacing-lg);
  }

  .article-body h2 {
    margin-top: var(--spacing-lg);
  }

  .cta-photo {
    width: 100px;
    height: 100px;
  }

  .cta-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-content,
  .article-content article,
  .cta-content {
    padding: var(--spacing-md);
  }

  .article-body p,
  .cta-body p {
    font-size: 1rem;
  }

  .article-body ul, .article-body ol {
    padding-left: var(--spacing-lg);
  }
}

/* Print Styles */
@media print {
  .gradient-background,
  .cta-section,
  .site-footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .glass-card {
    background: white;
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .hero-title,
  .cta-title {
    color: black;
    -webkit-text-fill-color: black;
  }

  .article-body p,
  .article-body li {
    color: black;
  }

  a {
    text-decoration: underline;
  }
}