/* ============================================
   SUJAYATH.COM — Clean Minimal Blog
   ============================================ */

:root {
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #9a9a9a;
  --color-accent: #c45a3c;
  --color-accent-light: #fef4f1;
  --color-border: #e8e6e1;
  --color-border-light: #f0eeea;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --max-width: 680px;
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
}

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a {
  color: inherit;
  text-decoration: none;
}
img { max-width: 100%; display: block; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  padding-top: var(--space-lg);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-text);
  border-radius: 50%;
  transition: all 0.25s ease;
  letter-spacing: -0.5px;
}
.nav-logo:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* ============================================
   HERO / HEADER
   ============================================ */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  text-align: left;
}

.site-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 64px);
  font-weight: 300;
  letter-spacing: -1.5px;
  line-height: 1.05;
  color: red;
  margin-bottom: var(--space-sm);
}

.site-tagline {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.hero-line {
  width: 40px;
  height: 1.5px;
  background: var(--color-accent);
  margin-top: var(--space-md);
}

/* ============================================
   CONTENT AREA
   ============================================ */
.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
}

/* ============================================
   BLOG POSTS LIST
   ============================================ */
.posts {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.post {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border-light);
  animation: fadeUp 0.5s ease both;
}
.post:first-child {
  border-top: none;
  padding-top: 0;
}

.post-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: var(--space-sm);
}

.post-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.3px;
  margin-bottom: var(--space-sm);
}
.post-title a {
  transition: color 0.2s ease;
}
.post-title a:hover {
  color: var(--color-accent);
}

.post-excerpt {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-tertiary);
}
.meta-dot { opacity: 0.4; }

/* Featured post */
.post.featured {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}
.about-content h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  margin-bottom: var(--space-md);
  letter-spacing: -0.5px;
}
.about-content p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}
.about-content p:last-child { margin-bottom: 0; }

/* ============================================
   TAG FILTER
   ============================================ */
.tag-filter {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
  line-height: 1.4;
}
.tag-btn:hover {
  border-color: var(--color-text-tertiary);
  color: var(--color-text);
}
.tag-btn.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
.post.hidden {
  display: none;
}

/* ============================================
   SINGLE POST / PAGE
   ============================================ */
.page-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-md);
}
.page-header .back-link {
  font-size: 13px;
  color: var(--color-text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-md);
  transition: color 0.2s;
}
.page-header .back-link:hover { color: var(--color-text); }
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 42px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: var(--space-sm);
}
.page-header .page-meta {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.prose {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-xl);
}
.prose p {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  margin: var(--space-lg) 0 var(--space-md);
  letter-spacing: -0.3px;
}
.prose blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}
.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(196, 90, 60, 0.3);
  transition: text-decoration-color 0.2s;
}
.prose a:hover {
  text-decoration-color: var(--color-accent);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--color-border-light);
  margin-top: var(--space-lg);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-text-tertiary);
}
.footer-social {
  color: var(--color-text-tertiary);
  transition: color 0.2s;
}
.footer-social:hover {
  color: var(--color-text);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.post:nth-child(1) { animation-delay: 0.05s; }
.post:nth-child(2) { animation-delay: 0.12s; }
.post:nth-child(3) { animation-delay: 0.19s; }
.post:nth-child(4) { animation-delay: 0.26s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 600px) {
  .nav { padding-top: var(--space-md); }
  .hero { padding: var(--space-lg) var(--space-md) var(--space-md); }
  .nav-links { gap: var(--space-sm); }
  .nav-links a { font-size: 13px; }
  .post-title { font-size: 22px; }
  .post { padding: var(--space-md) 0; }
  .tag-btn { font-size: 12px; padding: 5px 12px; }
}