@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ============================================
   BLOG INDEX — NOTES FROM THE BUILD
   ============================================ */

.blog-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
  background: var(--bg-primary);
}

.blog-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.blog-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: heroOrbFloat 12s ease-in-out infinite alternate;
}

.blog-hero-orb--1 {
  width: 500px;
  height: 500px;
  background: var(--accent-glow);
  top: -10%;
  left: 10%;
}

.blog-hero-orb--2 {
  width: 400px;
  height: 400px;
  background: rgba(139, 92, 246, 0.06);
  bottom: -5%;
  right: 10%;
  animation-delay: -6s;
}

.blog-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.blog-hero-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
}

.blog-hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.blog-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.blog-hero-desc {
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto;
}

/* Category Filter */
.blog-filter {
  padding: 0 clamp(1.5rem, 5vw, 3rem) 1.5rem;
  background: var(--bg-primary);
  position: sticky;
  top: 51px;
  z-index: 50;
  border-bottom: 1px solid var(--border-color);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.blog-filter-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  padding: 1rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.blog-filter-inner::-webkit-scrollbar { height: 0; }

.blog-filter-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.blog-filter-btn:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}

.blog-filter-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

/* Posts Grid */
.blog-posts {
  padding: 3rem clamp(1.5rem, 5vw, 3rem) clamp(5rem, 10vw, 8rem);
  background: var(--bg-primary);
}

.blog-posts-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.blog-post-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.blog-post-card:hover {
  border-color: var(--text-tertiary);
  background: var(--card-bg-hover);
  transform: translateY(-2px);
}

.blog-post-category {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: var(--font-mono);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  width: fit-content;
}

.blog-post-category--tech { color: var(--accent); background: rgba(99,102,241,0.08); }
.blog-post-category--entrepreneurship { color: var(--amber); background: rgba(245,158,11,0.08); }
.blog-post-category--lifestyle { color: var(--green); background: rgba(34,197,94,0.08); }

.blog-post-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.blog-post-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.blog-post-tag {
  font-size: 0.62rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-weight: 500;
}

.blog-post-tag--indigo { color: var(--accent); background: rgba(99,102,241,0.08); }
.blog-post-tag--amber  { color: var(--amber); background: rgba(245,158,11,0.08); }
.blog-post-tag--green  { color: var(--green); background: rgba(34,197,94,0.08); }
.blog-post-tag--cyan   { color: #22d3ee; background: rgba(34,211,238,0.08); }
.blog-post-tag--pink   { color: #f472b6; background: rgba(244,114,182,0.08); }
.blog-post-tag--purple { color: #c084fc; background: rgba(192,132,252,0.08); }

.blog-post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.blog-post-read {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: opacity 0.2s ease;
}

.blog-post-card:hover .blog-post-read { opacity: 0.7; }

.blog-note-draft {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
}

.blog-note-draft-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
  animation: blogDraftBlink 1.6s ease-in-out infinite;
}

.blog-note-draft-dot--writing { background: var(--green); }
.blog-note-draft-dot--drafting { background: var(--amber); }
.blog-note-draft-dot--mind { background: var(--accent); }

@keyframes blogDraftBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.15; }
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-tertiary);
}

.no-results i { font-size: 3rem; margin-bottom: 1rem; }
.no-results h3 { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-primary); }
.no-results p { font-size: 0.9rem; color: var(--text-secondary); }

/* ============================================
   INDIVIDUAL POST PAGE
   ============================================ */

.post-container {
  padding: 5rem clamp(1.5rem, 5vw, 3rem) clamp(5rem, 10vw, 8rem);
  background: var(--bg-primary);
}

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

.post-header-block {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.post-category-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
  display: block;
  margin-bottom: 0.75rem;
}

.post-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.post-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.post-body-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.post-body-content h1 { font-size: 2rem; font-weight: 700; color: var(--text-primary); margin: 2.5rem 0 1rem; }
.post-body-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); margin: 2rem 0 0.75rem; }
.post-body-content h3 { font-size: 1.15rem; font-weight: 600; color: var(--text-primary); margin: 1.5rem 0 0.5rem; }
.post-body-content p { margin-bottom: 1.25rem; }
.post-body-content strong { color: var(--text-primary); font-weight: 600; }
.post-body-content em { color: var(--text-secondary); }
.post-body-content hr { border: none; border-top: 1px solid var(--border-color); margin: 2.5rem 0; }
.post-body-content ul, .post-body-content ol { margin-bottom: 1.25rem; padding-left: 1.5rem; }
.post-body-content li { margin-bottom: 0.5rem; }
.post-body-content code {
  background: var(--tag-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}
.post-body-content pre {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}
.post-body-content pre code { background: none; padding: 0; }
.post-body-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-tertiary);
  font-style: italic;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  transition: color 0.2s ease;
  font-family: var(--font-mono);
}

.post-back:hover { color: var(--text-primary); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .blog-posts-grid { grid-template-columns: 1fr; }
  .blog-hero { min-height: 40vh; }
  .post-body-content { font-size: 1rem; }
}

@media (max-width: 480px) {
  .blog-hero { min-height: 35vh; }
  .blog-filter-btn { font-size: 0.75rem; padding: 0.4rem 0.8rem; }
}