/* ════════════════════════════════════════════════
   JECTAR ONE — blog.css
   Blog-specific styles: hub, articles, sidebar
════════════════════════════════════════════════ */

/* ── BLOG HUB ─────────────────────────────────── */
.blog-hero {
  padding: 7rem 0 4rem;
  position: relative;
}

.blog-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.blog-hero__sub {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 540px;
  line-height: 1.75;
}

/* ── CATEGORY PILLS ───────────────────────────── */
.cat-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 3rem;
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.cat-pill:hover,
.cat-pill.active {
  background: rgba(124, 58, 237, 0.12);
  border-color: rgba(124, 58, 237, 0.4);
  color: #fff;
}

.cat-pill--blue.active,  .cat-pill--blue:hover  { background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.4); color: var(--blue); }
.cat-pill--green.active, .cat-pill--green:hover  { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.4); color: var(--emerald); }
.cat-pill--amber.active, .cat-pill--amber:hover  { background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.4); color: var(--amber); }

/* ── ARTICLE GRID ─────────────────────────────── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-bottom: 4rem;
}

.article-grid--featured {
  grid-template-columns: 2fr 1fr;
}

@media (max-width: 768px) {
  .article-grid--featured { grid-template-columns: 1fr; }
}

/* ── ARTICLE CARD ─────────────────────────────── */
.art-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.art-card:hover {
  border-color: rgba(124, 58, 237, 0.35);
  transform: translateY(-3px);
}

.art-card__thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0d0d1e 0%, #0a1a0e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.art-card__thumb-label {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.35);
  color: #c4b5fd;
}

.art-card__body {
  padding: 1.4rem 1.5rem 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.art-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  color: var(--faint);
  margin-bottom: 0.75rem;
}

.art-card__meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--faint);
}

.art-card__title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 0.65rem;
  transition: color 0.2s;
}

.art-card:hover .art-card__title {
  color: #c4b5fd;
}

.art-card__excerpt {
  font-size: 0.855rem;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
}

.art-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.art-card__read {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.2s;
}

.art-card:hover .art-card__read { gap: 0.55rem; }

.art-card--featured {
  grid-row: span 2;
}

.art-card--featured .art-card__thumb {
  aspect-ratio: 4/3;
}

.art-card--featured .art-card__title {
  font-size: 1.35rem;
}

.art-card--placeholder {
  border-style: dashed;
  opacity: 0.45;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  text-align: center;
  padding: 2rem;
  color: var(--faint);
  font-size: 0.85rem;
}

/* ── ARTICLE PAGE ─────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  align-items: start;
  padding: 4rem 0 6rem;
}

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
}

/* ── BREADCRUMB ───────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--faint);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--faint);
  transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--blue); }

.breadcrumb__sep {
  opacity: 0.4;
  font-size: 0.65rem;
}

/* ── ARTICLE HEADER ───────────────────────────── */
.article-header {
  margin-bottom: 2.5rem;
}

.article-header__cat {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 1rem;
}

.article-header__title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1.25rem;
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.article-header__author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-header__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: #000;
}

.article-header__reading-time {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-header__divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--faint);
}

/* ── READING PROGRESS BAR ─────────────────────── */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--blue));
  z-index: 99999;
  transition: width 0.1s linear;
  width: 0%;
}

/* ── ARTICLE BODY ─────────────────────────────── */
.article-body {
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
}

.article-body h2 {
  font-family: var(--font-head);
  font-size: 1.65rem;
  font-weight: 700;
  color: #fff;
  margin: 2.75rem 0 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  line-height: 1.3;
}

.article-body h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: #e2e8f0;
  margin: 2rem 0 0.75rem;
  line-height: 1.4;
}

.article-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #c4b5fd;
  margin: 1.5rem 0 0.5rem;
}

.article-body p {
  margin-bottom: 1.35rem;
}

.article-body strong {
  color: #fff;
  font-weight: 700;
}

.article-body a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: rgba(0,212,255,0.3);
  transition: text-decoration-color 0.2s;
}

.article-body a:hover {
  text-decoration-color: var(--blue);
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.article-body li {
  line-height: 1.7;
}

.article-body li::marker {
  color: var(--blue);
}

.article-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--purple);
  background: rgba(124,58,237,0.06);
  border-radius: 0 0.75rem 0.75rem 0;
  color: rgba(255,255,255,0.65);
  font-style: italic;
}

.article-body code {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.88em;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  color: var(--emerald);
}

.article-body pre {
  background: #0d0d1a;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  color: #e2e8f0;
}

/* ── CALLOUT BOXES ────────────────────────────── */
.callout {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-radius: 0.85rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout--tip {
  background: rgba(16,185,129,0.07);
  border: 1px solid rgba(16,185,129,0.2);
}

.callout--warning {
  background: rgba(251,191,36,0.07);
  border: 1px solid rgba(251,191,36,0.2);
}

.callout--info {
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.2);
}

.callout__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.callout__text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}

.callout__text strong {
  display: block;
  margin-bottom: 0.25rem;
  color: #fff;
  font-size: 0.95rem;
}

/* ── STAT BOXES ───────────────────────────────── */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.stat-box {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1.25rem;
  text-align: center;
}

.stat-box__num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-box__label {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ── TABLE OF CONTENTS ────────────────────────── */
.toc {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.toc__title {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc__item a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.5;
  text-decoration: none;
}

.toc__item a::before {
  content: '—';
  color: var(--blue);
  font-size: 0.7rem;
  opacity: 0.6;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.toc__item a:hover { color: var(--blue); }

/* ── IN-ARTICLE CTA ───────────────────────────── */
.article-cta {
  background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(0,212,255,0.06));
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: 1rem;
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.article-cta__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.article-cta__title {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.article-cta__sub {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

/* ── SIDEBAR ──────────────────────────────────── */
.article-sidebar {
  position: sticky;
  top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1.35rem;
}

.sidebar-card__title {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.sidebar-related a {
  display: flex;
  gap: 0.65rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  text-decoration: none;
  transition: var(--transition);
}

.sidebar-related a:last-child { border-bottom: none; }

.sidebar-related a:hover { padding-left: 0.35rem; }

.sidebar-related__icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.sidebar-related__text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.45;
  transition: color 0.2s;
}

.sidebar-related a:hover .sidebar-related__text { color: var(--blue); }

/* ── FAQ SECTION ──────────────────────────────── */
.faq-section {
  margin: 3rem 0 2rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: #fff;
  gap: 1rem;
  user-select: none;
}

.faq-item__q:hover { background: rgba(255,255,255,0.02); }

.faq-item__chevron {
  font-size: 0.7rem;
  color: var(--muted);
  transition: transform 0.25s;
  flex-shrink: 0;
}

.faq-item.open .faq-item__chevron {
  transform: rotate(180deg);
}

.faq-item__a {
  display: none;
  padding: 0 1.25rem 1.1rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.75;
}

.faq-item.open .faq-item__a { display: block; }

/* ── AUTHOR BIO ───────────────────────────────── */
.author-bio {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-top: 3rem;
}

.author-bio__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.author-bio__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.author-bio__role {
  font-size: 0.78rem;
  color: var(--blue);
  margin-bottom: 0.65rem;
}

.author-bio__desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── SHARE BAR ────────────────────────────────── */
.share-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.share-bar__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  background: none;
}

.share-btn:hover {
  border-color: rgba(124,58,237,0.4);
  color: #fff;
  background: rgba(124,58,237,0.1);
}

/* ── RELATED ARTICLES ─────────────────────────── */
.related-section {
  padding: 3rem 0 5rem;
  border-top: 1px solid var(--border);
}

.related-section__title {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  color: #fff;
}

/* ── BLOG NAV ─────────────────────────────────── */
.blog-nav {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(5,5,10,0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 64px;
  z-index: 100;
}

.blog-nav__inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0 0 0.25rem;
  scrollbar-width: none;
}

.blog-nav__inner::-webkit-scrollbar { display: none; }

/* ── KEYWORD HIGHLIGHT ────────────────────────── */
.kw {
  color: var(--blue);
  font-weight: 600;
}

/* ── COMPARISON TABLE ─────────────────────────── */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.88rem;
}

.compare-table th {
  background: rgba(124,58,237,0.1);
  color: #c4b5fd;
  font-weight: 700;
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid rgba(124,58,237,0.2);
}

.compare-table td {
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  color: rgba(255,255,255,0.65);
  vertical-align: top;
}

.compare-table tr:nth-child(even) td {
  background: rgba(255,255,255,0.015);
}

.compare-table .yes { color: var(--emerald); font-weight: 600; }
.compare-table .no  { color: rgba(255,255,255,0.25); }

/* ── RESPONSIVE ───────────────────────────────── */
@media (max-width: 640px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-header__title { font-size: 1.75rem; }
  .article-body h2 { font-size: 1.35rem; }
  .article-body h3 { font-size: 1.1rem; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .author-bio { flex-direction: column; }
}