/* ============================================================
   COSMOS UNVEILED — article.css
   Article page styles: hero, body, sidebar, related, cards
   cosmosunveiled.com
============================================================ */

/* ── Article Hero ─────────────────────────────────────────── */
.article-hero {
  position: relative;
  background: var(--navy);
  padding-top: 0;
}

.article-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 480px;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(61, 109, 150, 0.09) 0%,
    rgba(196, 146, 47, 0.03) 50%,
    transparent 75%
  );
  pointer-events: none;
}

.article-header {
  max-width: 760px;
  padding: 4rem 0 3rem;
  position: relative;
}

/* Breadcrumb */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.article-breadcrumb a {
  color: var(--parchment-dim);
  opacity: 0.5;
  text-decoration: none;
  transition: opacity 0.2s;
}
.article-breadcrumb a:hover { opacity: 0.9; }

.article-breadcrumb span {
  color: var(--parchment-dim);
  opacity: 0.35;
  font-size: 0.75rem;
}

/* Category tag */
.article-category-tag {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.article-category-tag::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
  flex-shrink: 0;
}

/* Title */
.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--parchment);
  margin-bottom: 1.4rem;
}

/* Deck */
.article-deck {
  font-family: 'Lora', serif;
  font-size: 1.12rem;
  font-style: italic;
  line-height: 1.78;
  color: var(--parchment-dim);
  margin-bottom: 2rem;
  padding-left: 1.25rem;
  border-left: 2px solid rgba(196, 146, 47, 0.35);
}

/* Byline */
.article-byline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid rgba(196, 146, 47, 0.14);
  border-bottom: 1px solid rgba(196, 146, 47, 0.14);
}

.article-byline-pub {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--parchment);
}

.article-byline-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.72rem;
  color: var(--parchment-dim);
  opacity: 0.6;
  letter-spacing: 0.05em;
}

.byline-dot {
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--brass);
  opacity: 0.5;
}

/* ── Cover Image ─────────────────────────────────────────── */
.article-cover {
  margin-top: 2.5rem;
  position: relative;
}

.article-cover img {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  display: block;
  height: 520px;
  object-fit: cover;
}

.article-cover-caption {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.68rem;
  line-height: 1.55;
  color: var(--parchment-dim);
  opacity: 0.45;
  text-align: center;
  max-width: 760px;
  margin: 0.75rem auto 0;
  padding: 0 3rem 1.5rem;
  letter-spacing: 0.04em;
}

/* ── Article Layout ──────────────────────────────────────── */
.article-main {
  padding: 4rem 0 6rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 5rem;
  align-items: start;
}

/* ── Article Body ────────────────────────────────────────── */
.article-body {
  min-width: 0;
}

.article-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--parchment);
  margin: 2.75rem 0 1.1rem;
  padding-top: 0.5rem;
}

.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 600;
  font-style: italic;
  color: var(--parchment);
  margin: 2rem 0 0.85rem;
}

.article-body p {
  font-family: 'Lora', serif;
  font-size: 1.06rem;
  line-height: 1.88;
  color: var(--parchment-dim);
  margin-bottom: 1.35rem;
}

.article-body p:last-child { margin-bottom: 0; }

.article-body strong {
  color: var(--parchment);
  font-weight: 600;
}

.article-body em { font-style: italic; }

.article-body a {
  color: var(--obs-blue-lt);
  text-decoration: underline;
  text-decoration-color: rgba(90, 142, 188, 0.35);
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.article-body a:hover { color: var(--parchment); }

/* Pullquote */
.pullquote {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  border-left: 3px solid var(--brass);
  background: rgba(196, 146, 47, 0.04);
  position: relative;
}

.pullquote p {
  font-family: 'Playfair Display', serif;
  font-size: 1.18rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--parchment);
  margin-bottom: 0 !important;
}

/* Sources section */
.article-sources {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(196, 146, 47, 0.15);
}

.article-sources h2 {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.5rem;
  margin-top: 0;
  padding-top: 0;
}

.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sources-list li {
  font-family: 'Lora', serif;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--parchment-dim);
  opacity: 0.7;
  padding-left: 1.25rem;
  position: relative;
}

.sources-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--brass);
  opacity: 0.5;
}

.sources-list a {
  color: var(--obs-blue-lt);
  text-decoration: none;
  transition: color 0.2s;
}
.sources-list a:hover { color: var(--parchment); }

/* ── Sidebar ─────────────────────────────────────────────── */
.article-sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-label {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1.1rem;
}

/* TOC */
.sidebar-toc {
  background: var(--navy-light);
  padding: 1.5rem;
  margin-bottom: 1px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.toc-list li { position: relative; }

.toc-list a {
  display: block;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--parchment-dim);
  opacity: 0.55;
  text-decoration: none;
  padding: 0.45rem 0 0.45rem 0.85rem;
  border-left: 1px solid rgba(196, 146, 47, 0.15);
  transition: opacity 0.2s, border-color 0.2s;
}

.toc-list a:hover {
  opacity: 0.95;
  border-left-color: var(--brass);
}

/* Callout stats */
.sidebar-callout {
  background: var(--navy-light);
  padding: 1.5rem;
  margin-bottom: 1px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.callout-stat {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(196, 146, 47, 0.1);
}

.callout-stat:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.callout-number {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--parchment);
  line-height: 1;
}

.callout-unit {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}

.callout-desc {
  font-family: 'Lora', serif;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--parchment-dim);
  opacity: 0.6;
}

/* Sidebar newsletter */
.sidebar-newsletter {
  background: rgba(196, 146, 47, 0.06);
  border: 1px solid rgba(196, 146, 47, 0.2);
  padding: 1.5rem;
}

.sidebar-newsletter-text {
  font-family: 'Lora', serif;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--parchment-dim);
  margin-bottom: 0;
}

/* ── Related ─────────────────────────────────────────────── */
.related {
  padding: 5rem 0;
  background: var(--navy-mid);
  border-top: 1px solid rgba(196, 146, 47, 0.1);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.section-label {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brass);
}

.section-link {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.7rem;
  color: var(--parchment-dim);
  opacity: 0.5;
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: opacity 0.2s;
}
.section-link:hover { opacity: 0.9; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: rgba(196, 146, 47, 0.1);
}

/* ── Article Cards ───────────────────────────────────────── */
.card {
  background: var(--navy);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}

.card:hover { background: var(--navy-light); }

.card--medium {
  padding: 2rem;
}

.card-category {
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--obs-blue-lt);
  margin-bottom: 0.7rem;
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--parchment);
  margin-bottom: 0.75rem;
}

.card-title a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}
.card-title a:hover { color: var(--brass-light); }

.card-excerpt {
  font-family: 'Lora', serif;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--parchment-dim);
  opacity: 0.7;
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.68rem;
  color: var(--parchment-dim);
  opacity: 0.45;
  letter-spacing: 0.06em;
}

.card-meta-dot {
  display: inline-block;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--brass);
  opacity: 0.5;
}