/* =============================================
   BreathFly — blog.css
   Index listing + long-form article styles
   Light / white palette to match the site
   ============================================= */

/* ============================================================
   BLOG INDEX (listing)
   ============================================================ */
.blog-hero {
  position: relative;
  padding: 140px 24px 56px;
  text-align: center;
  isolation: isolate;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(74, 144, 164, 0.10) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 100% 0%, rgba(123, 104, 238, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.blog-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  background: var(--primary-soft);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.blog-hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  letter-spacing: -0.035em;
  margin: 0 auto 1rem;
  max-width: 720px;
}

.blog-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.blog-hero p {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Listing grid */
.blog-list {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 24px 96px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.blog-card {
  position: relative;
  padding: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.blog-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-color: var(--border-brand);
  padding: 2.5rem;
}

.blog-card-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  font-weight: 600;
}

.blog-card-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-faint);
}

.blog-card-meta .reading-time {
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.blog-card h2,
.blog-card h3 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.blog-card--featured h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
}

.blog-card h2 em,
.blog-card h3 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.blog-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.blog-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.25rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--transition), color var(--transition);
}

.blog-card:hover .read-more {
  gap: 0.6rem;
  color: var(--primary-dark);
}

.blog-card a.stretched-link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* Empty / placeholder card */
.blog-card--placeholder {
  text-align: center;
  align-items: center;
  border-style: dashed;
  background: var(--bg-soft);
  color: var(--text-muted);
}

.blog-card--placeholder p {
  margin: 0;
}

/* ============================================================
   ARTICLE (long-form post)
   ============================================================ */
.post-page {
  background: var(--bg);
}

.article-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 130px 24px 48px;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 1.75rem;
  transition: color var(--transition), gap var(--transition);
}

.article-back:hover {
  color: var(--primary);
  gap: 0.6rem;
}

.article-header {
  margin-bottom: 2.25rem;
}

.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.95rem;
  background: var(--primary-soft);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.article-title {
  font-size: clamp(2.1rem, 5vw, 3rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}

.article-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.article-deck {
  font-size: 1.18rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 640px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.article-meta .sep {
  color: var(--text-faint);
}

/* Body */
.article-body {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-body);
}

.article-body p {
  margin-bottom: 1.15rem;
  color: var(--text-body);
}

.article-body p.lede {
  font-size: 1.08rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.65;
}

.article-body h2 {
  font-size: 1.65rem;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 3rem 0 1rem;
  line-height: 1.2;
}

.article-body h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.article-body h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.015em;
}

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

.article-body em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text);
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(74, 144, 164, 0.32);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}

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

.article-body ul,
.article-body ol {
  margin: 0 0 1.25rem 0;
  padding-left: 0;
  list-style: none;
}

.article-body ul li,
.article-body ol li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.55;
}

.article-body ol {
  counter-reset: oli;
}

.article-body ol li {
  counter-increment: oli;
}

.article-body ol li::before {
  content: counter(oli) '.';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  line-height: 1.9;
}

/* Pull quote */
.article-body blockquote {
  margin: 2.25rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body blockquote p {
  margin: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--text);
}

.article-body blockquote cite {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* TL;DR card */
.article-tldr {
  margin: 0 0 2.5rem;
  padding: 1.75rem 1.85rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.article-tldr-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.article-tldr p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

/* Inline callout */
.article-callout {
  margin: 2rem 0;
  padding: 1.4rem 1.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 1rem;
  align-items: start;
}

.article-callout .callout-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.article-callout p {
  margin: 0;
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.65;
}

.article-callout strong {
  color: var(--text);
}

/* Pattern timing strip (reuse home.css visual but local) */
.article-body .pattern-strip {
  margin: 1.5rem 0 2rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg);
  border: 1px solid var(--border-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.article-body .pattern-strip-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.article-body .pattern-strip-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-body);
}

.article-body .pattern-strip-pill .label {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
}

/* Sources */
.article-sources {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.article-sources h2 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}

.article-sources ol {
  counter-reset: src;
  padding: 0;
  margin: 0;
}

.article-sources ol li {
  counter-increment: src;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.article-sources ol li::before {
  content: '[' counter(src) ']';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 500;
  line-height: 1.7;
}

.article-sources a {
  color: var(--text-body);
  text-decoration: underline;
  text-decoration-color: rgba(15, 26, 36, 0.18);
  text-underline-offset: 3px;
  word-break: break-word;
}

.article-sources a:hover {
  color: var(--primary);
  text-decoration-color: var(--primary);
}

/* Article CTA box */
.article-cta {
  margin: 3rem 0 1rem;
  padding: 2.5rem 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(74, 144, 164, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.article-cta > * {
  position: relative;
}

.article-cta h2 {
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
  color: var(--text);
  border: 0;
  padding: 0;
}

.article-cta h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.article-cta p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
}

.article-cta .cta-meta {
  display: block;
  margin-top: 0.85rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* Related / next */
.article-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.article-related-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.article-related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 760px) {
  .blog-list {
    grid-template-columns: 1fr;
  }

  .blog-card,
  .blog-card--featured {
    padding: 1.75rem;
  }

  .article-shell {
    padding: 110px 18px 40px;
  }

  .article-body {
    font-size: 1rem;
  }

  .article-body h2 {
    font-size: 1.4rem;
    margin-top: 2.4rem;
  }

  .article-body blockquote {
    padding: 1.2rem 1.3rem;
  }

  .article-body blockquote p {
    font-size: 1.05rem;
  }

  .article-cta {
    padding: 2rem 1.4rem;
  }

  .article-related-list {
    grid-template-columns: 1fr;
  }

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