:root {
  --chalk-white: #F5F5F0;
  --chalk-dark: #0f0f14;
  --chalk-muted: #8f8f88;
  --chalk-accent: #6b5cff;
}

/* RESET / BASE */
* {
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: var(--chalk-white);
  color: var(--chalk-dark);
  line-height: 1.65;
}

/* NAV */
.glass-effect {
  background: rgba(245,245,240,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.blog-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.nav-side {
  display: flex;
  align-items: center;
}

.nav-right {
  justify-content: flex-end;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-self: center;
}

.nav-brand {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #111, var(--chalk-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-link {
  color: rgba(15,15,20,0.75);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-link:hover {
  color: rgba(15,15,20,1);
}

/* BUTTONS */
.read-more-btn {
  border: 1px solid rgba(0,0,0,0.2);
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--chalk-dark);
  transition: all 0.25s ease;
}

.read-more-btn:hover {
  background: var(--chalk-dark);
  color: var(--chalk-white);
}

.primary-btn {
  display: inline-block;
  background: var(--chalk-accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
}

.primary-btn:hover {
  background: #5a4be6;
  transform: translateY(-2px);
}

/* ARTICLE LAYOUT */
article {
  max-width: 720px;
  margin: 0 auto;
  padding: 8rem 1.5rem 4rem;
}

.category {
  color: var(--chalk-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.date {
  color: var(--chalk-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.subtitle {
  color: #444;
  font-size: 1.25rem;
  margin-top: 0.5rem;
}

section {
  margin-top: 2.75rem;
}

h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-top: 0.75rem;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.2rem;
  margin-top: 1.75rem;
}

p {
  font-size: 1.05rem;
  margin-top: 1rem;
}

/* ARTICLE LINKS */
article a {
  color: var(--chalk-accent);
  text-decoration: none;
}

article a:hover {
  text-decoration: underline;
}

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--chalk-muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: 24px;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--chalk-dark);
}

/* Highlight Box */
.highlight-box {
  background: rgba(107, 92, 255, 0.08);
  border-left: 4px solid var(--chalk-accent);
  padding: 24px;
  margin: 32px 0;
  border-radius: 0 12px 12px 0;
}

.highlight-box p {
  margin: 0;
  font-style: italic;
}

/* ========================================
   INDEX PAGE STYLES
   ======================================== */

/* Hero */
.hero {
  background: linear-gradient(135deg, #f5f5f0, #ecebe7);
  padding: 8rem 1.5rem 5rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #111, var(--chalk-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .tagline {
  font-size: 1.25rem;
  color: #555;
  margin: 0 0 1rem;
}

.hero .subtext {
  font-size: 1rem;
  color: #777;
  margin: 0;
}

/* Posts Container */
.posts-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

/* Blog Cards */
.blog-card {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 1.5rem;
  padding: 2.5rem;
  margin-bottom: 3rem;
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.08);
}

.blog-card.featured {
  background: linear-gradient(135deg, rgba(107, 92, 255, 0.08), rgba(255,255,255,0.95));
  border: 2px solid rgba(107, 92, 255, 0.25);
}

.blog-card.featured:hover {
  border-color: rgba(107, 92, 255, 0.4);
}

.blog-card .tag-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.blog-card .category {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--chalk-muted);
  margin: 0;
}

.blog-card h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 1rem 0 1.5rem;
}

.blog-card h2 .accent {
  color: var(--chalk-accent);
}

.blog-card .excerpt {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #444;
  margin: 0 0 2rem;
}

/* Badges */
.new-badge {
  background: var(--chalk-accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.new-badge-sm {
  background: var(--chalk-accent);
  color: white;
  font-size: 0.6rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Latest Section */
.latest-section {
  margin-top: 1rem;
}

.latest-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.latest-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.latest-header .note {
  font-size: 0.875rem;
  color: var(--chalk-muted);
}

.latest-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.latest-link {
  display: block;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.75);
  border-radius: 1rem;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

.latest-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.06);
}

.latest-link.featured {
  border: 1px solid rgba(107, 92, 255, 0.2);
  background: rgba(107, 92, 255, 0.04);
}

.latest-link .tag-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.latest-link .category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--chalk-muted);
}

.latest-link .title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Footer */
.site-footer {
  padding: 4rem 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.1);
  text-align: center;
  color: var(--chalk-muted);
}