/* ─────────────────────────────────────────────
   InfluKit · Blog Styles
   Inherits all CSS variables from styles.css
───────────────────────────────────────────── */

/* ── Blog page wrapper ── */
.blog-page {
  min-height: 100vh;
  background: var(--bg);
}

/* ── Blog Hero ── */
.blog-hero {
  padding: 9rem 5vw 4rem;
  position: relative;
  overflow: hidden;
}
.blog-hero-bg {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.18) 0%, transparent 70%);
  border-radius: 50%;
  top: 0; left: 50%; transform: translateX(-50%);
  pointer-events: none;
}
.blog-hero-inner {
  position: relative; z-index: 1;
  max-width: 680px;
}
.blog-eyebrow {
  font-size: .75rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--purple-lt); font-weight: 600;
  display: flex; align-items: center; gap: .6rem;
  margin-bottom: 1rem;
}
.blog-eyebrow::before {
  content: ''; display: block; width: 24px; height: 1px; background: var(--purple);
}
.blog-hero h1 {
  font-family: 'Instrument Serif', 'Instrument Serif Placeholder', serif;
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 400; line-height: 1.08; letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.blog-hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--purple-lt) 0%, var(--pink) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.blog-hero-sub {
  color: var(--muted); font-size: 1.05rem; line-height: 1.7;
  max-width: 480px; margin-bottom: 2.5rem;
}

/* ── Category chips ── */
.category-chips {
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.chip {
  display: inline-flex; align-items: center;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: .4rem 1rem;
  font-size: .8rem; font-weight: 500; color: var(--muted);
  cursor: pointer; transition: background .2s, border-color .2s, color .2s;
  letter-spacing: .02em; user-select: none;
}
.chip:hover { color: var(--white); border-color: rgba(139,92,246,0.4); }
.chip.active {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  border-color: transparent; color: #fff;
}

/* ── Featured post ── */
.blog-featured {
  padding: 0 5vw 4rem;
  position: relative; z-index: 1;
}
.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: box-shadow .3s, transform .3s, border-color .3s;
  text-decoration: none; color: inherit;
}
.featured-card:hover {
  box-shadow: var(--glow);
  transform: translateY(-3px);
  border-color: rgba(139,92,246,0.4);
}
@media (max-width: 820px) {
  .featured-card { grid-template-columns: 1fr; }
}
.featured-cover {
  min-height: 280px;
  background: linear-gradient(135deg, rgba(139,92,246,0.3), rgba(232,121,249,0.2));
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.featured-cover-art {
  font-family: 'Instrument Serif', serif;
  font-size: 5rem; opacity: .15;
  user-select: none;
}
.featured-cover-glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.4), transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.featured-cover-label {
  position: absolute; top: 1.5rem; left: 1.5rem;
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  color: #fff; padding: .3rem .85rem; border-radius: 100px;
}
.featured-body {
  padding: 2.5rem;
  display: flex; flex-direction: column; justify-content: center;
  gap: 1rem;
}
.featured-badge {
  font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--purple-lt);
}
.featured-title {
  font-family: 'Instrument Serif', 'Instrument Serif Placeholder', serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400; line-height: 1.2; letter-spacing: -0.02em;
  color: var(--white);
}
.featured-excerpt {
  color: var(--muted); font-size: .92rem; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.featured-meta {
  display: flex; align-items: center; gap: 1rem;
  font-size: .78rem; color: var(--muted);
}
.featured-meta span { display: flex; align-items: center; gap: .3rem; }
.featured-cta {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--purple-lt); font-size: .88rem; font-weight: 500;
  transition: gap .2s, color .2s;
}
.featured-card:hover .featured-cta { gap: .7rem; color: var(--pink-lt); }

/* ── Post grid ── */
.blog-grid-section {
  padding: 0 5vw 5rem;
}
.blog-grid-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem;
}
.blog-grid-title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.4rem; font-weight: 400; color: var(--white);
}
.post-count {
  font-size: .8rem; color: var(--muted);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: .3rem .8rem;
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}
.post-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: border-color .3s, transform .3s, box-shadow .3s;
  position: relative;
}
.post-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(ellipse at top left, rgba(139,92,246,0.08), transparent 70%);
  transition: opacity .4s; pointer-events: none; z-index: 0;
}
.post-card:hover { border-color: rgba(139,92,246,0.4); transform: translateY(-4px); box-shadow: var(--glow); }
.post-card:hover::before { opacity: 1; }
.post-card.hidden { display: none; }
.card-cover {
  height: 160px;
  background: linear-gradient(135deg, rgba(139,92,246,0.25), rgba(232,121,249,0.15));
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.card-cover-emoji {
  font-size: 2.8rem; opacity: .25; user-select: none;
}
.card-cover-glow {
  position: absolute;
  width: 200px; height: 200px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.35), transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.card-body {
  padding: 1.4rem; display: flex; flex-direction: column; gap: .7rem; flex: 1;
  position: relative; z-index: 1;
}
.card-category {
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--purple-lt);
}
.card-title {
  font-family: 'Instrument Serif', 'Instrument Serif Placeholder', serif;
  font-size: 1.1rem; font-weight: 400; line-height: 1.3; letter-spacing: -0.01em;
  color: var(--white);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-excerpt {
  color: var(--muted); font-size: .84rem; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  flex: 1;
}
.card-meta {
  display: flex; align-items: center; gap: .5rem;
  font-size: .75rem; color: var(--muted);
  margin-top: auto; padding-top: .5rem;
  border-top: 1px solid var(--border);
}
.card-meta-dot { opacity: .4; }
.card-read-more {
  display: flex; align-items: center; gap: .3rem;
  color: var(--purple-lt); font-size: .8rem; font-weight: 500;
  margin-top: .3rem; transition: gap .2s;
}
.post-card:hover .card-read-more { gap: .6rem; }

/* ── Newsletter strip ── */
.blog-newsletter {
  margin: 0 5vw 5rem;
  background: linear-gradient(135deg, rgba(139,92,246,0.12), rgba(232,121,249,0.07));
  border: 1px solid rgba(139,92,246,0.22);
  border-radius: 20px; padding: 3rem 3.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.blog-newsletter::before {
  content: ''; position: absolute;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(139,92,246,0.15), transparent 70%);
  top: 50%; right: -100px; transform: translateY(-50%); pointer-events: none;
}
.newsletter-text { position: relative; z-index: 1; }
.newsletter-text h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 1.5rem; font-weight: 400; margin-bottom: .4rem;
}
.newsletter-text p { color: var(--muted); font-size: .9rem; }
.newsletter-form {
  display: flex; gap: .6rem; position: relative; z-index: 1; flex-wrap: wrap;
}
.newsletter-input {
  background: rgba(139,92,246,0.08); border: 1px solid var(--border);
  border-radius: 100px; padding: .7rem 1.4rem;
  font-family: 'Satoshi', sans-serif; font-size: .9rem;
  color: var(--white); outline: none; width: 240px;
  transition: border-color .2s;
}
.newsletter-input::placeholder { color: var(--muted); }
.newsletter-input:focus { border-color: rgba(139,92,246,0.5); }
.newsletter-btn {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  color: #fff; font-family: 'Satoshi', sans-serif; font-weight: 500;
  font-size: .88rem; padding: .7rem 1.5rem; border-radius: 100px;
  border: none; cursor: pointer; letter-spacing: .02em;
  box-shadow: 0 0 20px rgba(139,92,246,0.35);
  transition: box-shadow .3s, transform .2s;
  white-space: nowrap;
}
.newsletter-btn:hover { box-shadow: 0 0 35px rgba(232,121,249,0.5); transform: translateY(-1px); }
@media (max-width: 600px) {
  .blog-newsletter { padding: 2rem 1.5rem; }
  .newsletter-input { width: 100%; }
}

/* ─────────────────────────────────────────────
   BLOG POST PAGE
───────────────────────────────────────────── */

/* ── Reading progress bar ── */
.progress-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 9997;
  background: transparent;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .1s linear;
}

/* ── Post header ── */
.post-header {
  padding: 9rem 5vw 3rem;
  max-width: 860px; margin: 0 auto;
  position: relative;
}
.post-breadcrumb {
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
  font-size: .78rem; color: var(--muted); margin-bottom: 1.5rem;
}
.post-breadcrumb a { color: var(--muted); text-decoration: none; transition: color .2s; }
.post-breadcrumb a:hover { color: var(--purple-lt); }
.post-breadcrumb-sep { opacity: .4; }
.post-breadcrumb-current {
  color: var(--white); opacity: .7;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 340px;
}
.post-category-pill {
  display: inline-block;
  background: rgba(139,92,246,0.12); border: 1px solid rgba(139,92,246,0.25);
  border-radius: 100px; padding: .3rem .85rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--purple-lt); margin-bottom: 1.2rem;
}
.post-header h1 {
  font-family: 'Instrument Serif', 'Instrument Serif Placeholder', serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 400; line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: 1rem; color: var(--white);
}
.post-dek {
  font-size: 1.15rem; color: var(--muted); line-height: 1.65;
  max-width: 620px; margin-bottom: 2rem;
}
.post-meta-row {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  padding-bottom: 2rem; border-bottom: 1px solid var(--border);
}
.post-author {
  display: flex; align-items: center; gap: .6rem;
}
.post-author-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Instrument Serif', serif; font-size: .85rem; color: #fff; flex-shrink: 0;
}
.post-author-name { font-size: .88rem; font-weight: 500; color: var(--white); }
.post-meta-divider { width: 1px; height: 16px; background: var(--border); }
.post-date { font-size: .82rem; color: var(--muted); }
.post-reading-time {
  font-size: .82rem; color: var(--muted);
  display: flex; align-items: center; gap: .3rem;
}

/* ── Post hero image ── */
.post-hero-image {
  max-width: 860px; margin: 0 auto 0;
  padding: 0 5vw;
}
.post-hero-art {
  width: 100%; height: 320px; border-radius: 20px;
  background: linear-gradient(135deg, rgba(139,92,246,0.25), rgba(232,121,249,0.18));
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.post-hero-art-glow {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.3), transparent 70%);
  border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.post-hero-art-text {
  font-family: 'Instrument Serif', serif;
  font-size: 6rem; opacity: .12; position: relative; z-index: 1;
  user-select: none;
}

/* ── Article layout: TOC + prose ── */
.post-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4rem;
  max-width: 1100px; margin: 0 auto;
  padding: 3.5rem 5vw 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .post-layout { grid-template-columns: 1fr; gap: 2rem; }
}

/* ── TOC sidebar ── */
.toc-sidebar {
  position: sticky; top: 6rem;
  max-height: calc(100vh - 8rem); overflow-y: auto;
}
.toc-sidebar::-webkit-scrollbar { width: 4px; }
.toc-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.toc-mobile-toggle {
  display: none;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: .8rem 1.2rem; cursor: pointer; width: 100%;
}
.toc-mobile-toggle summary {
  font-size: .82rem; font-weight: 500; color: var(--purple-lt);
  list-style: none; display: flex; align-items: center; justify-content: space-between;
}
.toc-mobile-toggle summary::after { content: '↓'; }
.toc-mobile-toggle[open] summary::after { content: '↑'; }
@media (max-width: 900px) {
  .toc-sidebar { position: static; max-height: none; }
  .toc-mobile-toggle { display: block; }
}
.toc-label {
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; margin-bottom: 1rem;
  padding-bottom: .6rem; border-bottom: 1px solid var(--border);
}
@media (max-width: 900px) {
  .toc-label { display: none; }
}
.toc-list {
  list-style: none; display: flex; flex-direction: column; gap: .1rem;
}
.toc-list li.toc-h3 { padding-left: 1rem; }
.toc-link {
  display: block; font-size: .8rem; color: var(--muted);
  text-decoration: none; padding: .35rem .5rem; border-radius: 6px;
  line-height: 1.4; transition: color .2s, background .2s;
  border-left: 2px solid transparent;
}
.toc-link:hover { color: var(--white); background: rgba(139,92,246,0.06); }
.toc-link.active {
  color: var(--purple-lt); font-weight: 500;
  border-left-color: var(--purple); background: rgba(139,92,246,0.07);
}

/* ── Prose styles ── */
.prose {
  min-width: 0;
  font-size: 1rem; line-height: 1.8; color: var(--white);
}
.prose h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 400; line-height: 1.2; letter-spacing: -0.02em;
  margin-top: 3rem; margin-bottom: 1rem;
  color: var(--white); scroll-margin-top: 6rem;
}
.prose h3 {
  font-family: 'Satoshi', sans-serif;
  font-size: 1.1rem; font-weight: 600; line-height: 1.3;
  margin-top: 2rem; margin-bottom: .75rem;
  color: var(--white); scroll-margin-top: 6rem;
}
.prose p { margin-bottom: 1.3rem; color: rgba(248,245,255,0.85); }
.prose a { color: var(--purple-lt); text-decoration: underline; text-underline-offset: 3px; transition: color .2s; }
.prose a:hover { color: var(--pink-lt); }
.prose ul, .prose ol {
  margin-bottom: 1.3rem; padding-left: 1.5rem;
  display: flex; flex-direction: column; gap: .4rem;
}
.prose li { color: rgba(248,245,255,0.85); }
.prose strong { color: var(--white); font-weight: 600; }
.prose em { font-style: italic; color: var(--purple-lt); }
.prose blockquote {
  margin: 2rem 0; padding: 1.4rem 1.8rem;
  border-left: 3px solid var(--purple);
  background: rgba(139,92,246,0.07); border-radius: 0 12px 12px 0;
}
.prose blockquote p { color: var(--white); font-size: 1.05rem; font-style: italic; margin-bottom: 0; }
.prose code {
  background: rgba(139,92,246,0.12); border: 1px solid rgba(139,92,246,0.2);
  border-radius: 5px; padding: .15em .45em;
  font-size: .88em; color: var(--purple-lt);
  font-family: 'Menlo', 'Monaco', monospace;
}
.prose pre {
  background: rgba(10,8,15,0.8); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.4rem; margin: 1.5rem 0;
  overflow-x: auto;
}
.prose pre code {
  background: none; border: none; padding: 0;
  font-size: .88rem; color: var(--purple-lt);
}
.prose hr {
  border: none; border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* Callout boxes */
.callout {
  display: flex; gap: 1rem; align-items: flex-start;
  background: rgba(139,92,246,0.08); border: 1px solid rgba(139,92,246,0.2);
  border-radius: 14px; padding: 1.2rem 1.4rem; margin: 1.8rem 0;
}
.callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: .1rem; }
.callout-body { font-size: .92rem; color: rgba(248,245,255,0.85); line-height: 1.65; }
.callout-body strong { color: var(--white); }
.callout.tip { background: rgba(34,197,94,0.07); border-color: rgba(34,197,94,0.2); }
.callout.warning { background: rgba(251,191,36,0.07); border-color: rgba(251,191,36,0.2); }

/* ── Author card ── */
.author-card {
  margin-top: 3.5rem; padding: 1.8rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px;
  display: flex; align-items: flex-start; gap: 1.2rem;
}
.author-card-avatar {
  width: 54px; height: 54px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Instrument Serif', serif; font-size: 1.1rem; color: #fff;
}
.author-card-name {
  font-family: 'Instrument Serif', serif;
  font-size: 1.05rem; font-weight: 400; margin-bottom: .2rem;
}
.author-card-role { font-size: .78rem; color: var(--purple-lt); margin-bottom: .5rem; }
.author-card-bio { font-size: .88rem; color: var(--muted); line-height: 1.6; }

/* ── Tags row ── */
.post-tags {
  margin-top: 2.5rem;
  display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
}
.post-tags-label {
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; margin-right: .2rem;
}
.post-tag {
  background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.2);
  border-radius: 100px; padding: .25rem .7rem;
  font-size: .75rem; color: var(--purple-lt);
  text-decoration: none; transition: background .2s, border-color .2s;
}
.post-tag:hover { background: rgba(139,92,246,0.18); border-color: rgba(139,92,246,0.4); }

/* ── Related posts ── */
.related-section {
  padding: 4rem 5vw;
  border-top: 1px solid var(--border);
  max-width: 1100px; margin: 0 auto;
}
.related-label {
  font-size: .75rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--purple-lt); font-weight: 600; margin-bottom: .8rem;
  display: flex; align-items: center; gap: .6rem;
}
.related-label::before { content: ''; display: block; width: 24px; height: 1px; background: var(--purple); }
.related-title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.7rem; font-weight: 400; margin-bottom: 2rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

/* ── Post top bar: prev · next ── */
.post-top-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2rem; gap: 1rem;
}
.post-nav-item {
  display: flex; align-items: center; gap: .4rem;
  text-decoration: none; color: var(--muted);
  font-size: .78rem; transition: color .2s;
  max-width: 38%;
}
.post-nav-item:hover { color: var(--purple-lt); }
.post-nav-item.next { flex-direction: row-reverse; text-align: right; }
.post-nav-arrow {
  font-size: .85rem; flex-shrink: 0; opacity: .5;
  transition: transform .2s, opacity .2s;
}
.post-nav-item:hover .post-nav-arrow { opacity: 1; }
.post-nav-item.prev:hover .post-nav-arrow { transform: translateX(-3px); }
.post-nav-item.next:hover .post-nav-arrow { transform: translateX(3px); }
.post-nav-post-title {
  font-size: .78rem; font-weight: 400; line-height: 1.3; color: inherit;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
/* hide on very small screens */
@media (max-width: 500px) {
  .post-nav-item { display: none; }
}

/* ── Light mode adjustments ── */
@media (prefers-color-scheme: light) {
  .newsletter-input { background: rgba(124,58,237,0.05); color: var(--white); }
  .prose p, .prose li { color: rgba(26,15,46,0.85); }
  .prose blockquote p { color: var(--white); }
  .callout-body { color: rgba(26,15,46,0.85); }
}