/* ══════════════════════════════════════════════════════════════════
   LeadCustom — Blog styles (hérite de styles.css)
   ══════════════════════════════════════════════════════════════════ */

.blog-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  background: oklch(0.14 0.012 270 / 0.7);
  border-bottom: 1px solid var(--border);
}
.blog-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.blog-nav-links { display: flex; gap: 6px; list-style: none; }
.blog-nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.15s;
}
.blog-nav-links a:hover { color: var(--text); background: oklch(1 0 0 / 0.04); }
@media (max-width: 760px) { .blog-nav-links { display: none; } }

/* ── Blog hero ─────────────────────────────────────────────────── */
.blog-hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 80px 24px 48px;
  text-align: center;
}
.blog-hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}
.blog-hero p {
  margin: 24px auto 0;
  max-width: 600px;
  font-size: 18px;
  color: var(--text-muted);
  text-wrap: pretty;
}

/* ── Category filter ───────────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 36px;
}
.blog-filter {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: oklch(1 0 0 / 0.03);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.blog-filter:hover { border-color: var(--border-bright); color: var(--text); }
.blog-filter.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* ── Article grid ──────────────────────────────────────────────── */
.blog-grid {
  max-width: 1240px;
  margin: 48px auto 0;
  padding: 0 24px 96px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 980px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}
.blog-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -12px oklch(0 0 0 / 0.5);
}

/* Featured first card spans full width */
.blog-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
}
.blog-card.featured .blog-cover { width: 46%; min-height: 320px; }
.blog-card.featured .blog-card-body { flex: 1; padding: 40px; justify-content: center; }
.blog-card.featured .blog-card-title { font-size: 28px; }
@media (max-width: 760px) {
  .blog-card.featured { flex-direction: column; }
  .blog-card.featured .blog-cover { width: 100%; min-height: 200px; }
  .blog-card.featured .blog-card-body { padding: 24px; }
}

/* ── Editorial cover (CSS art, pas de clipart) ─────────────────── */
.blog-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.blog-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, var(--cov-a), transparent 55%),
    radial-gradient(circle at 80% 70%, var(--cov-b), transparent 55%),
    linear-gradient(135deg, oklch(0.16 0.02 270), oklch(0.12 0.015 270));
  z-index: -2;
}
.blog-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(1 0 0 / 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 75%);
  z-index: -1;
}
.blog-cover-glyph {
  font-size: 56px;
  filter: drop-shadow(0 4px 16px oklch(0 0 0 / 0.4));
}
.blog-cover-num {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  color: oklch(1 0 0 / 0.5);
  letter-spacing: 0.1em;
}
.blog-cover-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: oklch(0.14 0.012 270 / 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid oklch(1 0 0 / 0.12);
  font-size: 11px;
  font-weight: 500;
  font-family: 'Geist Mono', monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}

.blog-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.blog-card-title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-wrap: balance;
}
.blog-card-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  text-wrap: pretty;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-dim);
  font-family: 'Geist Mono', monospace;
  margin-top: 4px;
}
.blog-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }

/* ══════════════════════════════════════════════════════════════════
   Single article page
   ══════════════════════════════════════════════════════════════════ */
.article-hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 0;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  font-family: 'Geist Mono', monospace;
  margin-bottom: 32px;
}
.article-back:hover { color: var(--text); }
.article-cat {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: oklch(0.72 0.18 290 / 0.1);
  border: 1px solid oklch(0.72 0.18 290 / 0.25);
  font-size: 11px;
  font-weight: 500;
  font-family: 'Geist Mono', monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 20px;
}
.article-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.article-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--cyan-dim));
  display: grid; place-items: center;
  font-weight: 600; font-size: 14px;
  color: var(--text);
}
.article-author-name { font-size: 14px; font-weight: 500; }
.article-author-meta { font-size: 12px; color: var(--text-dim); font-family: 'Geist Mono', monospace; }

.article-cover {
  max-width: 900px;
  margin: 40px auto 0;
  padding: 0 24px;
}
.article-cover-inner {
  aspect-ratio: 21 / 9;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.article-cover-inner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 25% 30%, var(--cov-a), transparent 55%),
    radial-gradient(circle at 78% 72%, var(--cov-b), transparent 55%),
    linear-gradient(135deg, oklch(0.17 0.02 270), oklch(0.12 0.015 270));
  z-index: -2;
}
.article-cover-inner::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, oklch(1 0 0 / 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000, transparent 78%);
  z-index: -1;
}
.article-cover-glyph { font-size: 80px; filter: drop-shadow(0 6px 24px oklch(0 0 0 / 0.5)); }

/* ── Article body ──────────────────────────────────────────────── */
.article-body {
  max-width: 720px;
  margin: 48px auto 0;
  padding: 0 24px 80px;
  font-size: 17px;
  line-height: 1.7;
  color: oklch(0.88 0.01 270);
}
.article-body > p { margin-bottom: 24px; text-wrap: pretty; }
.article-body h2 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 48px 0 16px;
  color: var(--text);
  line-height: 1.15;
}
.article-body h3 {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 32px 0 12px;
  color: var(--text);
}
.article-body strong { color: var(--text); font-weight: 600; }
.article-body a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 2px; }
.article-body .btn { text-decoration: none; }
.article-body .btn-accent { color: oklch(0.12 0.01 270); }
.article-body .btn-ghost { color: var(--text); }
.article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 24px; }
.article-body li { margin-bottom: 10px; }
.article-body li::marker { color: var(--accent-bright); }

/* Lead paragraph */
.article-body .lead {
  font-size: 21px;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 32px;
}

/* Stat highlight */
.article-stat {
  display: flex;
  gap: 20px;
  align-items: center;
  margin: 32px 0;
  padding: 24px 28px;
  background: linear-gradient(135deg, oklch(0.72 0.18 290 / 0.08), transparent);
  border: 1px solid oklch(0.72 0.18 290 / 0.2);
  border-radius: 16px;
}
.article-stat-num {
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--accent-bright);
  flex-shrink: 0;
}
.article-stat-txt { font-size: 15px; color: var(--text-muted); line-height: 1.45; }

/* Practical case box */
.case-box {
  margin: 36px 0;
  border: 1px solid var(--border-bright);
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-card);
}
.case-box-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: oklch(0.78 0.16 150 / 0.1);
  border-bottom: 1px solid var(--border);
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green);
  font-weight: 500;
}
.case-box-head::before { content: '▶'; font-size: 9px; }
.case-box-body { padding: 22px 24px; font-size: 15px; line-height: 1.6; color: var(--text-muted); }
.case-box-body p { margin-bottom: 14px; }
.case-box-body p:last-child { margin-bottom: 0; }
.case-box-body strong { color: var(--text); }
.case-result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-bright);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.case-result-item .v { font-size: 22px; font-weight: 500; color: var(--green); letter-spacing: -0.02em; }
.case-result-item .l { font-size: 12px; color: var(--text-dim); font-family: 'Geist Mono', monospace; }

/* Pull quote */
.pull-quote {
  margin: 40px 0;
  padding-left: 24px;
  border-left: 3px solid var(--accent-bright);
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 26px;
  line-height: 1.35;
  color: var(--text);
}

/* Key takeaways */
.takeaways {
  margin: 36px 0;
  padding: 24px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.takeaways h4 {
  font-size: 13px;
  font-family: 'Geist Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.takeaways ul { list-style: none; padding: 0; margin: 0; }
.takeaways li {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--text-muted);
}
.takeaways li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

/* In-article CTA */
.article-cta {
  margin: 56px 0 0;
  padding: 40px;
  text-align: center;
  background:
    radial-gradient(ellipse at center, oklch(0.72 0.18 290 / 0.12), transparent 65%),
    var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: 24px;
}
.article-cta h3 { font-size: 26px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; }
.article-cta p { margin: 12px auto 24px; max-width: 440px; color: var(--text-muted); font-size: 15px; }

/* Related */
.related {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 96px;
  border-top: 1px solid var(--border);
}
.related h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 760px) { .related-grid { grid-template-columns: 1fr; } }