/* ============================================
   ScorpionYug - Main Stylesheet
   ============================================ */

/* CSS Variables (Light theme) */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-elevated: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-text-dim: #9ca3af;
  --color-border: #e5e7eb;
  --color-accent: #b8472a;
  --color-accent-hover: #9a3a22;
  --color-accent-soft: #fdf4ee;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  --color-code-bg: #f6f8fa;
  --color-shadow: rgba(0, 0, 0, 0.05);
  --color-shadow-strong: rgba(0, 0, 0, 0.1);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: #0d0d0e;
  --color-bg-alt: #161618;
  --color-bg-elevated: #1c1c1f;
  --color-text: #f5f5f7;
  --color-text-muted: #a1a1aa;
  --color-text-dim: #71717a;
  --color-border: #27272a;
  --color-accent: #e89971;
  --color-accent-hover: #d97744;
  --color-accent-soft: #1a1816;
  --color-code-bg: #1c1c1f;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-strong: rgba(0, 0, 0, 0.5);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition), color var(--transition);
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; width: 100%; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.85rem); }
h4 { font-size: 1.2rem; }

p { margin: 0 0 1rem 0; }
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 4px;
}
pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-code-bg);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
}
pre code { background: none; padding: 0; }
blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 0.5rem 1.5rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}
hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
[data-theme="dark"] .site-header { background: rgba(13, 13, 14, 0.85); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
}
.brand-logo { color: var(--color-accent); font-size: 1.5rem; }

.site-nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.nav-link {
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--color-text); background: var(--color-bg-alt); }
.nav-link.active { color: var(--color-accent); background: var(--color-accent-soft); }

.header-actions { display: flex; gap: 0.5rem; align-items: center; }
.theme-toggle, .menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.theme-toggle:hover, .menu-toggle:hover { background: var(--color-bg-alt); color: var(--color-text); }
.theme-icon-dark, .theme-icon-light { font-size: 1.1rem; }
[data-theme="light"] .theme-icon-light, [data-theme="dark"] .theme-icon-dark { display: none; }
.menu-toggle { display: none; }
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 3px 0;
  transition: all var(--transition);
}

/* Hero Section */
.hero {
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
}
.hero-pretitle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-accent);
}
.hero-pretitle .dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 1rem;
}
.hero-title .accent { color: var(--color-accent); }
.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--color-accent); color: white; }
.btn-primary:hover { background: var(--color-accent-hover); color: white; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-text); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
  padding: 2rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.stat-card { text-align: center; }
.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Post Grid */
.posts-section { padding: 4rem 0; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.section-title { font-size: 2rem; }
.section-subtitle { color: var(--color-text-muted); margin-top: 0.5rem; }
.section-link { font-weight: 500; }

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.post-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--color-shadow-strong);
  border-color: var(--color-accent);
}
.post-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-accent-soft);
  overflow: hidden;
  position: relative;
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.post-card:hover .post-card-image img { transform: scale(1.05); }
.post-card-content { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.post-card-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  align-items: center;
}
.category-tag {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.post-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.post-card-title a { color: var(--color-text); }
.post-card-title a:hover { color: var(--color-accent); }
.post-card-excerpt {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex: 1;
}
.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Post page */
.post-header { padding: 3rem 0 2rem; text-align: center; }
.post-header .container { max-width: 800px; }
.post-meta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.post-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-accent-soft);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  min-width: 70px;
}
.post-date .day { font-size: 1.5rem; font-weight: 700; line-height: 1; color: var(--color-accent); }
.post-date .month { font-size: 0.75rem; text-transform: uppercase; color: var(--color-text-muted); }
.post-date .year { font-size: 0.7rem; color: var(--color-text-dim); }
.post-title { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 1rem; }
.post-description { font-size: 1.15rem; color: var(--color-text-muted); margin-bottom: 1.5rem; }
.post-author { color: var(--color-text-muted); font-size: 0.9rem; display: flex; gap: 0.5rem; align-items: center; justify-content: center; flex-wrap: wrap; }
.post-author .dot { color: var(--color-text-dim); }
.post-hero {
  max-width: 900px;
  margin: 0 auto 3rem;
  border-radius: var(--radius);
  overflow: hidden;
}
.post-content { padding: 2rem 0 4rem; }
.content-wrapper { max-width: 720px; margin: 0 auto; }
.post-content h2 { margin-top: 2.5rem; margin-bottom: 1rem; }
.post-content h3 { margin-top: 2rem; margin-bottom: 0.75rem; }
.post-content p { margin: 1.25rem 0; line-height: 1.8; }
.post-content ul, .post-content ol { margin: 1.25rem 0; padding-left: 2rem; }
.post-content ul li { list-style: disc; margin: 0.5rem 0; }
.post-content ol li { list-style: decimal; margin: 0.5rem 0; }
.post-content img { border-radius: var(--radius-sm); margin: 2rem 0; }

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}
.footer-tagline { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 1.5rem; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.social-links a:hover { color: var(--color-accent); border-color: var(--color-accent); transform: translateY(-2px); }
.footer-title { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* Share buttons */
.share-buttons {
  margin: 3rem 0;
  padding: 2rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.share-title { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.share-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.share-btn:hover { border-color: var(--color-accent); color: var(--color-accent); transform: translateY(-1px); }

/* Post navigation */
.post-navigation {
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
  margin-top: 3rem;
}
.post-navigation .container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.post-navigation a {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  flex: 1;
  min-width: 250px;
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}
.post-navigation a:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.post-navigation .nav-next { text-align: right; }
.nav-label { font-size: 0.85rem; color: var(--color-text-muted); }
.nav-title { font-weight: 600; color: var(--color-text); }

/* Responsive */
@media (max-width: 968px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  .container { padding: 0 1rem; }
  .menu-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    gap: 0.25rem;
  }
  .site-nav.open { display: flex; }
  .nav-link { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; padding: 1.5rem; }
  .stat-value { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .post-card-content { padding: 1.25rem; }
  .post-meta { gap: 0.5rem; }
  .hero { padding: 2.5rem 0; }
  .posts-section { padding: 2.5rem 0; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .share-links { flex-direction: column; }
  .share-btn { width: 100%; justify-content: center; }
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero, .post-card, .post-header, .post-content { animation: fadeUp 0.6s ease-out; }

/* Selection */
::selection { background: var(--color-accent); color: white; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent-hover); }