/* Escape Big Tech - Cyber Security Design System */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors - Professional Trust Theme (Default) */
  --color-bg-primary: #0D1117;
  --color-bg-secondary: #161B22;
  --color-bg-tertiary: #21262D;
  --color-bg-accent: #30363D;
  
  --color-text-primary: #E6EDF3;
  --color-text-secondary: #8B949E;
  --color-text-tertiary: #6E7681;
  --color-text-inverse: #0D1117;
  
  --color-brand-primary: #0D7377; /* Deep teal - trust & security */
  --color-brand-secondary: #14FFEC; /* Bright cyan - accents */
  --color-brand-accent: #32E0C4; /* Mint - success states */
  --color-brand-danger: #EF4444; /* Clear red */
  --color-brand-warning: #F59E0B; /* Amber warning */
  
  --color-border-primary: #30363D;
  --color-border-secondary: #21262D;
  --color-border-focus: var(--color-brand-secondary);
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-mono: 'Fira Code', 'JetBrains Mono', Consolas, Monaco, 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Z-index */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Light Professional Theme */
[data-color-mode='light'] {
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F6F8FA;
  --color-bg-tertiary: #E6EDF3;
  --color-bg-accent: #DDE7EE;
  
  --color-text-primary: #1F2328;
  --color-text-secondary: #656D76;
  --color-text-tertiary: #8C959F;
  --color-text-inverse: #FFFFFF;
  
  --color-brand-primary: #0D7377;
  --color-brand-secondary: #0066aa;
  --color-brand-accent: #6600aa;
  --color-brand-danger: #cc0000;
  --color-brand-warning: #cc6600;
  
  --color-border-primary: #00aa0033;
  --color-border-secondary: #0066aa33;
  --color-border-focus: var(--color-brand-primary);
}

/* ===== Base Styles ===== */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-top: 0;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-top: 0;
  margin-bottom: var(--space-lg);
}

a {
  color: var(--color-brand-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

a:hover {
  color: var(--color-brand-secondary);
  text-shadow: 0 0 8px currentColor;
}

/* ===== Enhanced Components ===== */

/* Post Cards - Now handled by PostCard.astro component */
/* Keeping only grid layout styles here */
.post-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--color-border-secondary) inset;
}

.post-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--color-brand-primary), var(--color-brand-secondary), var(--color-brand-accent));
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-base);
  filter: blur(4px);
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 20px var(--color-brand-primary)33;
  text-decoration: none;
}

.post-card:hover::before {
  opacity: 0.5;
}

.post-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.post-card-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-relaxed);
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Tags */
.tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-accent);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.tag:hover {
  background: var(--color-brand-primary);
  color: var(--color-text-inverse);
  text-decoration: none;
}

/* Reading Progress Bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-bg-accent);
  z-index: var(--z-fixed);
}

.reading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-brand-primary), var(--color-brand-secondary));
  width: 0%;
  transition: width var(--transition-fast);
}

/* Hero Section */
.hero {
  background: var(--color-bg-primary);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center top, var(--color-brand-primary)11, transparent 50%),
              radial-gradient(ellipse at center bottom, var(--color-brand-secondary)11, transparent 50%);
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1400px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: 0 var(--space-xl);
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
  }
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .hero-left,
  .hero-right {
    align-items: center;
    text-align: center;
  }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

@media (min-width: 1440px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

@media (min-width: 2560px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-title-accent {
  color: var(--color-brand-secondary);
  position: relative;
  display: inline-block;
}

.hero-title-accent::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-brand-secondary), var(--color-brand-accent));
  border-radius: 2px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scaleX(1); }
  50% { opacity: 0.8; transform: scaleX(0.95); }
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.2s forwards;
}

@keyframes fadeUp {
  to { 
    opacity: 1;
    transform: translateY(0);
  }
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

.hero-avatar {
  width: 250px;
  height: 250px;
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  background: var(--color-bg-secondary);
  opacity: 0;
  animation: fadeScale 0.8s ease-out forwards;
}

@media (min-width: 768px) {
  .hero-avatar {
    width: 300px;
    height: 300px;
  }
}

@media (min-width: 1440px) {
  .hero-avatar {
    width: 350px;
    height: 350px;
  }
}

@media (min-width: 2560px) {
  .hero-avatar {
    width: 400px;
    height: 400px;
  }
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-avatar:hover img {
  transform: scale(1.05);
}

@keyframes fadeScale {
  to {
    opacity: 1;
    transform: scale(1);
  }
  from {
    opacity: 0;
    transform: scale(0.9);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-brand-primary);
  color: #ffffff;
  border: 2px solid var(--color-brand-primary);
  box-shadow: 0 4px 14px rgba(13, 115, 119, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover {
  background: var(--color-brand-secondary);
  border-color: var(--color-brand-secondary);
  color: var(--color-bg-primary);
  box-shadow: 0 6px 20px rgba(20, 255, 236, 0.4);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: transparent;
  color: var(--color-brand-secondary);
  border: 2px solid var(--color-brand-secondary);
}

.btn-secondary:hover {
  background: var(--color-brand-secondary)11;
  border-color: var(--color-brand-secondary);
  box-shadow: 0 0 20px var(--color-brand-secondary)66;
  text-decoration: none;
}

/* Sticky TOC */
.toc-sidebar {
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-secondary);
}

.toc-sidebar-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
}

.toc-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-sidebar li {
  margin-bottom: var(--space-sm);
}

.toc-sidebar a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  display: block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toc-sidebar a:hover {
  color: var(--color-brand-primary);
  background: var(--color-bg-tertiary);
  text-decoration: none;
}

.toc-sidebar a.active {
  color: var(--color-brand-primary);
  background: var(--color-bg-accent);
  font-weight: var(--font-weight-medium);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-primary);
    display: flex;
    justify-content: space-around;
    padding: var(--space-sm);
    z-index: var(--z-fixed);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
  }
  
  .mobile-nav-item:hover,
  .mobile-nav-item.active {
    color: var(--color-brand-primary);
  }
  
  .mobile-nav-icon {
    width: 24px;
    height: 24px;
  }
}

/* Animations */
.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in {
  animation: slideIn var(--transition-base) ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Info Boxes */
.info-box {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin: var(--space-xl) 0;
}

.info-box-info {
  background: rgba(94, 129, 244, 0.1);
  border-color: var(--color-brand-primary);
}

.info-box-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--color-brand-warning);
}

.info-box-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-brand-accent);
}

.info-box-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-brand-danger);
}

/* Improved Focus States */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }
.gap-4 { gap: var(--space-xl); }

/* Responsive Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .md\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .lg\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Professional Theme Additions ===== */

/* Subtle accent line */
.accent-line::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-brand-primary), var(--color-brand-secondary));
  margin-top: var(--space-md);
  border-radius: 3px;
}

/* Professional card with subtle hover effect */
.professional-card {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.professional-card:hover {
  border-color: var(--color-brand-secondary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* Accent text */
.accent-text {
  color: var(--color-brand-secondary);
  font-weight: var(--font-weight-semibold);
  position: relative;
}

/* Subtle highlight effect */
.highlight {
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: -2px;
  right: -2px;
  height: 8px;
  background: var(--color-brand-secondary);
  opacity: 0.2;
  z-index: -1;
  border-radius: 2px;
}

/* Clean info window style */
.info-window {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.info-header {
  background: var(--color-bg-tertiary);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-primary);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-weight: var(--font-weight-semibold);
}

.info-icon {
  width: 20px;
  height: 20px;
  color: var(--color-brand-primary);
}

.terminal-dot {
  display: none;
}

.terminal-dot:nth-child(2) {
  background: var(--color-brand-warning);
}

.terminal-dot:nth-child(3) {
  background: var(--color-brand-accent);
}

.terminal-body {
  padding: var(--space-lg);
  color: var(--color-brand-primary);
}

/* Cyber button enhancement */
.btn-cyber {
  background: transparent;
  color: var(--color-brand-primary);
  border: 1px solid var(--color-brand-primary);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 30%, 100% 100%, 10px 100%, 0 70%);
  padding: var(--space-sm) calc(var(--space-lg) + 10px);
}

.btn-cyber::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-brand-primary)44, transparent);
  transition: left 0.5s;
}

.btn-cyber:hover::before {
  left: 100%;
}

/* Post card thumbnail */
.post-card-thumbnail {
  width: 100%;
  height: 150px;
  margin: calc(var(--space-lg) * -1) calc(var(--space-lg) * -1) var(--space-md);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card-thumbnail img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  filter: contrast(1.2) brightness(0.9);
  transition: transform var(--transition-base);
}

.post-card:hover .post-card-thumbnail img {
  transform: scale(1.05);
}

/* Draft indicator */
.post-card.is-draft {
  position: relative;
  opacity: 0.85;
}

.post-card.is-draft::before {
  content: "DRAFT";
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-brand-warning);
  color: var(--color-text-inverse);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-2xl) 0;
  font-family: var(--font-family-mono);
}

.pagination-item {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-secondary);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  border-color: var(--color-brand-primary);
  color: var(--color-brand-primary);
  box-shadow: 0 0 10px var(--color-brand-primary)33;
}

.pagination-item.active {
  background: var(--color-brand-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-brand-primary);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-secondary);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-secondary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
  .hero-stats {
    justify-content: center;
    text-align: center;
  }
}

/* Post Card Enhancements */
.post-card-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.post-card-thumbnail {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.post-card-thumbnail img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card-thumbnail img {
  transform: scale(1.05);
}

.post-date {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.post-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Button Secondary */
.btn-secondary {
  background: transparent;
  color: var(--color-brand-primary);
  border: 2px solid var(--color-brand-primary);
  font-size: var(--font-size-sm);
}

.btn-secondary:hover {
  background: var(--color-brand-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(13, 115, 119, 0.4);
}