@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;700&display=swap');

:root {
  --bg-primary: #FAF8F5;
  --bg-secondary: #F0EDE8;
  --bg-card: #FFFFFF;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A68;
  --text-muted: #8A8AA3;
  
  --accent-primary: #FF6B35;
  --accent-secondary: #7B2CBF;
  --accent-tertiary: #2EC4B6;
  --accent-yellow: #FFD166;
  --accent-pink: #FF8FA3;
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-ui: 'DM Sans', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.12);
  --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.16);
  --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 20% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(123, 44, 191, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(46, 196, 182, 0.04) 0%, transparent 50%);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(circle at 10% 90%, var(--accent-pink) 0%, transparent 3%),
    radial-gradient(circle at 90% 10%, var(--accent-yellow) 0%, transparent 3%),
    radial-gradient(circle at 50% 50%, var(--accent-tertiary) 0%, transparent 2%);
  opacity: 0.5;
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(10px, -10px) rotate(2deg); }
  50% { transform: translate(-5px, 15px) rotate(-1deg); }
  75% { transform: translate(-15px, -5px) rotate(1deg); }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 3.5rem; letter-spacing: -0.03em; }
h2 { font-size: 2.25rem; letter-spacing: -0.02em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--space-md); }

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--accent-secondary);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-header {
  padding: var(--space-lg) 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.site-header:hover {
  border-bottom-color: var(--accent-primary);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.logo-sub {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-secondary);
  background: var(--bg-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--bg-primary);
  background: var(--text-primary);
}

main {
  padding: var(--space-3xl) 0;
}

.hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl) 0;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  background: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease infinite;
  background-size: 200% 200%;
}

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

.hero-lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  font-weight: 400;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--accent-primary), #ff8c5a);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
}

.hero-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 60px rgba(255, 107, 53, 0.5);
  color: white;
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-shapes::before,
.hero-shapes::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  animation: morph 8s ease-in-out infinite;
}

.hero-shapes::before {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--accent-yellow), transparent);
  top: -50px;
  right: 10%;
  opacity: 0.6;
}

.hero-shapes::after {
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, var(--accent-pink), transparent);
  bottom: 0;
  left: 5%;
  opacity: 0.5;
  animation-delay: -4s;
}

@keyframes morph {
  0%, 100% { transform: scale(1) rotate(0deg); border-radius: 50%; }
  33% { transform: scale(1.1) rotate(120deg); border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  66% { transform: scale(0.9) rotate(240deg); border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
}

.posts-section {
  margin-top: var(--space-2xl);
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.section-title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
}

.section-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), transparent);
  border-radius: var(--radius-full);
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-sm);
  position: relative;
  animation: slideUp 0.6s ease-out backwards;
}

.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.2s; }
.post-card:nth-child(3) { animation-delay: 0.3s; }
.post-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.post-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

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

.post-card-link {
  display: block;
  padding: var(--space-xl);
  text-decoration: none;
  color: inherit;
}

.post-card:hover .post-card-title {
  color: var(--accent-primary);
}

.post-card-tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.post-card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  transition: color 0.2s ease;
}

.post-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.post-card-cta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.post-card-cta svg {
  transition: transform 0.2s ease;
}

.post-card:hover .post-card-cta svg {
  transform: translateX(6px);
}

.post-card-date {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  transition: color 0.2s ease;
}

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

.back-link svg {
  transition: transform 0.2s ease;
}

.back-link:hover svg {
  transform: translateX(-4px);
}

.post-detail {
  max-width: 720px;
  margin: 0 auto;
}

.post-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: var(--border-light);
}

.post-header-category {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-secondary);
  margin-bottom: var(--space-md);
  display: inline-block;
}

.post-header h1 {
  font-size: 2.25rem;
  margin-bottom: var(--space-lg);
}

.post-header-meta {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.post-author {
  color: var(--accent-primary);
  font-weight: 600;
}

.post-content {
  font-size: 1.1rem;
  line-height: 1.8;
}

.post-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.post-content h3 {
  margin-top: var(--space-xl);
}

.post-content p {
  margin-bottom: var(--space-lg);
}

.post-content ul, .post-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.post-content li {
  margin-bottom: var(--space-sm);
}

.post-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 4px solid var(--accent-primary);
  background: var(--bg-secondary);
  font-style: italic;
}

.post-content code {
  font-family: 'SF Mono', Monaco, 'Courier New', monospace;
  font-size: 0.875em;
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.post-content pre {
  background: #1E1E1E;
  color: #D4D4D4;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.site-footer {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl) 0;
  background: linear-gradient(180deg, transparent, var(--bg-secondary));
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer-links a {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-copy {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--bg-secondary);
  border-radius: 50%;
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--accent-primary);
  transform: rotate(15deg);
  box-shadow: var(--shadow-md);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
}

[data-theme="dark"] {
  --bg-primary: #0F0F1A;
  --bg-secondary: #1A1A2E;
  --bg-card: #16162A;
  --text-primary: #F0F0F5;
  --text-secondary: #A0A0B8;
  --text-muted: #6B6B85;
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  
  .header-content {
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: var(--space-sm);
  }
  
  .header-nav {
    gap: var(--space-sm);
    margin-left: auto;
  }
  
  .nav-links {
    display: none;
  }
  
  .logo {
    gap: var(--space-xs);
  }
  
  .logo-main {
    font-size: 1.25rem;
  }
  
  .logo-sub {
    display: none;
  }
  
  .theme-toggle {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    padding: 6px;
  }
  
  .theme-toggle svg {
    width: 16px;
    height: 16px;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}