/* ============================================
   Ventur Blog - Modern Interactive Design
   ============================================ */

/* CSS Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables - Ventur Design System */
:root {
  /* Colors - Neon Cyan/Blue Family */
  --neon-cyan-light: #60eafb;
  --neon-blue-mid: #53b0f7;
  --neon-teal: #00b8cc;
  --neon-blue-dark: #0077bb;
  
  /* Backgrounds */
  --bg-primary: #000000;
  --bg-dark: #0a0a0a;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.95);
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-subtle: rgba(255, 255, 255, 0.5);
  
  /* Borders */
  --border-default: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(96, 234, 251, 0.4);
  
  /* Spacing */
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 40px;
  --space-4xl: 48px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 20px;
  
  /* Shadows */
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(96, 234, 251, 0.15);
  
  /* Typography */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Transitions */
  --transition-fast: 0.2s;
  --transition-normal: 0.3s;
  --transition-slow: 0.5s;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base HTML & Body */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: var(--font-light);
  min-height: 100vh;
  padding: var(--space-2xl);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: 1.2;
  color: var(--text-primary);
}

p {
  color: var(--text-muted);
  line-height: 1.7;
  font-weight: var(--font-light);
}

a {
  color: var(--neon-cyan-light);
  text-decoration: none;
  transition: all var(--transition-normal) var(--ease-standard);
}

a:hover {
  color: var(--neon-teal);
}

/* ============================================
   BACK TO VENTUR BUTTON
   ============================================ */

.back-to-ventur {
  position: fixed;
  top: var(--space-xl);
  left: var(--space-xl);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: var(--font-medium);
  transition: all var(--transition-normal) var(--ease-standard);
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.back-to-ventur:hover {
  background: rgba(96, 234, 251, 0.1);
  border-color: var(--neon-cyan-light);
  color: var(--neon-cyan-light);
  transform: translateX(-4px);
  box-shadow: 0 6px 20px rgba(96, 234, 251, 0.2);
}

.back-to-ventur svg {
  flex-shrink: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  max-width: 900px;
  margin: 0 auto var(--space-4xl);
  padding-top: var(--space-4xl);
  text-align: center;
}

.hero-container {
  padding: 0 var(--space-md);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--neon-cyan-light) 0%, var(--neon-blue-mid) 50%, var(--neon-teal) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientFlow 8s ease-in-out infinite;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: var(--font-light);
  line-height: 1.6;
}

/* ============================================
    BLOG SECTION - HORIZONTAL CARDS
    ============================================ */

.blog-section {
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: var(--space-4xl);
}

.blog-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  padding: 0 var(--space-md);
}

/* ============================================
    BLOG CARDS - HORIZONTAL LAYOUT
    ============================================ */

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal) var(--ease-standard);
  box-shadow: var(--shadow-card);
  position: relative;
}

.card-layout {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding-left: var(--space-lg);
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(96, 234, 251, 0.05), rgba(83, 176, 247, 0.05));
  opacity: 0;
  transition: opacity var(--transition-normal) var(--ease-standard);
  pointer-events: none;
  z-index: 1;
}

.blog-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card-hover);
}

.blog-card:hover::before {
  opacity: 1;
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  position: relative;
  z-index: 2;
}

.card-image-wrapper {
  width: 200px;
  height: 150px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-slow) var(--ease-standard);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal) var(--ease-standard);
}

.blog-card:hover .card-image {
  transform: scale(1.08);
}

.blog-card:hover .card-overlay {
  opacity: 1;
}

.card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.category-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(96, 234, 251, 0.12);
  border: 1px solid rgba(96, 234, 251, 0.3);
  border-radius: var(--radius-pill);
  color: var(--neon-cyan-light);
  font-size: 12px;
  font-weight: var(--font-semibold);
  text-transform: capitalize;
  letter-spacing: 0.3px;
  transition: all var(--transition-normal) var(--ease-standard);
}

.blog-card:hover .category-badge {
  background: rgba(96, 234, 251, 0.2);
  border-color: var(--neon-cyan-light);
}

.reading-time {
  font-size: 13px;
  color: var(--text-subtle);
  font-weight: var(--font-regular);
}

.card-title {
  font-size: 1.5rem;
  font-weight: var(--font-bold);
  margin-bottom: var(--space-md);
  line-height: 1.3;
  background: linear-gradient(135deg, var(--neon-cyan-light), var(--neon-blue-mid));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all var(--transition-normal) var(--ease-standard);
}

.blog-card:hover .card-title {
  background: linear-gradient(135deg, var(--neon-cyan-light), var(--neon-teal));
  -webkit-background-clip: text;
  background-clip: text;
}

.card-excerpt {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-weight: var(--font-light);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-default);
  margin-top: auto;
}

.post-date {
  font-size: 13px;
  color: var(--text-subtle);
  font-weight: var(--font-regular);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 14px;
  color: var(--neon-cyan-light);
  font-weight: var(--font-medium);
  transition: all var(--transition-normal) var(--ease-standard);
}

.blog-card:hover .read-more {
  gap: var(--space-sm);
  color: var(--neon-teal);
}

.read-more svg {
  transition: transform var(--transition-normal) var(--ease-standard);
}

.blog-card:hover .read-more svg {
  transform: translateX(4px);
}

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

.article-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-md) var(--space-4xl);
}

.article-container {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-card);
}

/* Article Header */
.article-header {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-default);
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.article-title {
  font-size: 2rem;
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-md);
  line-height: 1.25;
  background: linear-gradient(135deg, var(--neon-cyan-light) 0%, var(--neon-blue-mid) 50%, var(--neon-teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-description {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  font-weight: var(--font-regular);
}

.article-meta-bottom {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 14px;
  color: var(--text-subtle);
}

.post-author {
  font-weight: var(--font-medium);
}

/* Article Content */
.article-content {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-primary);
  font-weight: var(--font-bold);
  margin-top: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.article-content h1 {
  font-size: 1.75rem;
}

.article-content h2 {
  font-size: 1.5rem;
}

.article-content h3 {
  font-size: 1.25rem;
}

.article-content h4 {
  font-size: 1.125rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.article-content ul li {
  list-style-type: disc;
}

.article-content ol li {
  list-style-type: decimal;
}

.article-content a {
  color: var(--neon-cyan-light);
  text-decoration: underline;
  text-decoration-color: rgba(96, 234, 251, 0.3);
  transition: all var(--transition-normal) var(--ease-standard);
}

.article-content a:hover {
  color: var(--neon-teal);
  text-decoration-color: var(--neon-teal);
}

.article-content blockquote {
  border-left: 3px solid var(--neon-teal);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-secondary);
  background: rgba(0, 184, 204, 0.05);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875em;
  color: var(--neon-cyan-light);
}

.article-content pre {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-default);
}

.article-content pre code {
  background: transparent;
  padding: 0;
  color: var(--text-muted);
}

.article-content img {
  border-radius: var(--radius-sm);
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border-default);
  margin: 2rem 0;
}

/* Article Footer */
.article-footer {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-default);
}

.back-link-footer {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: var(--font-medium);
  transition: all var(--transition-normal) var(--ease-standard);
}

.back-link-footer:hover {
  color: var(--neon-cyan-light);
  transform: translateX(-4px);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  body {
    padding: var(--space-md);
  }
  
  .back-to-ventur {
    top: var(--space-md);
    left: var(--space-md);
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .hero {
    padding-top: var(--space-3xl);
    margin-bottom: var(--space-2xl);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .blog-container {
    gap: var(--space-xl);
  }
  
  .card-image-wrapper {
    width: 150px;
    height: 120px;
  }
  
  .card-content {
    padding: var(--space-md);
  }

  .card-layout {
    gap: var(--space-md);
  }
  
  .card-title {
    font-size: 1.375rem;
  }
  
  .card-excerpt {
    font-size: 0.875rem;
  }
  
  .article-container {
    padding: var(--space-xl);
  }
  
  .article-title {
    font-size: 1.75rem;
  }
  
  .article-description {
    font-size: 1rem;
  }
  
  .article-content {
    font-size: 0.9375rem;
  }
  
  .article-content h1 {
    font-size: 1.5rem;
  }
  
  .article-content h2 {
    font-size: 1.375rem;
  }
  
  .article-content h3 {
    font-size: 1.125rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .card-title {
    font-size: 1.25rem;
  }

  .card-layout {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .card-image-wrapper {
    width: 100% !important;
    height: 180px !important;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

*:focus-visible {
  outline: 2px solid var(--neon-cyan-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .back-to-ventur,
  .back-link-footer {
    display: none !important;
  }
  
  .article-content {
    color: black !important;
  }
}