/* =========================================================
   Blog Article Styles — Fluency English School
   Depends on /css/main.css and /css/blog.css
   ========================================================= */

.article-hero {
  padding: 7.5rem 0 2.5rem;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--stroke);
}

.article-hero .container {
  max-width: 980px;
}

.article-breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  color: var(--subtle);
  margin-bottom: 1.1rem;
}

.article-breadcrumbs a { color: var(--purple); }
.article-breadcrumbs a:hover { color: var(--purple-dark); }

.article-title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(2rem, 4.5vw, 3rem);
  color: var(--ink);
  margin-bottom: .8rem;
}

.article-subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 70ch;
  margin-bottom: 1.2rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  color: var(--subtle);
  font-size: .9rem;
}

.article-meta strong {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink);
}

.article-layout {
  padding: 2.5rem 0 4rem;
}

.article-layout .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.2rem;
  align-items: start;
  max-width: 1180px;
}

.article-main {
  background: #fff;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  padding: 2.2rem;
  box-shadow: var(--shadow-sm);
}

.article-cover {
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(107,70,193,.12), rgba(245,158,11,.12));
  margin-bottom: 1.6rem;
}

.article-cover-inner {
  padding: 1.35rem 1.35rem 1.1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  min-height: 140px;
}

.article-cover-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .35rem .8rem;
  border-radius: 999px;
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(0,0,0,.06);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .75rem;
  color: var(--purple);
}

.article-cover-emoji {
  font-size: 2.2rem;
  line-height: 1;
  filter: drop-shadow(0 10px 25px rgba(0,0,0,.12));
}

.article-video {
  margin: 1.4rem 0 2rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--stroke);
  background: #000;
}

.article-video .ratio {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
}

.article-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.article-content {
  color: var(--ink);
  line-height: 1.75;
  font-size: 1.02rem;
}

.article-content p { margin: 0 0 1rem; color: var(--muted); }
.article-content strong { color: var(--ink); }

.article-content h2,
.article-content h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.25;
  margin: 1.8rem 0 .7rem;
}

.article-content h2 { font-size: 1.55rem; font-weight: 900; }
.article-content h3 { font-size: 1.15rem; font-weight: 850; }

.article-content ul,
.article-content ol {
  margin: 0 0 1.1rem 1.2rem;
  color: var(--muted);
}

.article-content li { margin: .35rem 0; }

.callout {
  background: var(--surface-alt);
  border: 1px solid var(--stroke);
  border-left: 4px solid var(--purple);
  border-radius: var(--radius-lg);
  padding: 1rem 1.05rem;
  margin: 1.4rem 0;
}

.callout-title {
  font-family: var(--font-display);
  font-weight: 900;
  margin-bottom: .35rem;
}

.callout p { margin: 0; color: var(--muted); }

.article-sidebar {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.side-card {
  background: #fff;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.side-card h4 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  margin-bottom: .55rem;
  color: var(--ink);
}

.side-card p { color: var(--muted); font-size: .92rem; line-height: 1.65; margin-bottom: .9rem; }

.side-list {
  display: grid;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-list a {
  display: inline-flex;
  gap: .5rem;
  align-items: baseline;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9rem;
  color: var(--ink);
}

.side-list a:hover { color: var(--purple); }

.related-section {
  padding: 0 0 4.5rem;
}

.related-header {
  text-align: center;
  margin: 0 auto 1.6rem;
  max-width: 700px;
}

.related-header h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 900;
  margin-bottom: .5rem;
}

.related-header p { color: var(--muted); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

/* Reuse blog card look but adapt height */
.related-grid .blog-post-card { height: 100%; }

@media (max-width: 980px) {
  .article-layout .container {
    grid-template-columns: 1fr;
  }
  .article-sidebar { position: static; }
  .related-grid { grid-template-columns: 1fr; }
  .article-main { padding: 1.6rem; }
  .article-hero { padding-top: 7rem; }
}