/**
 * article.css — styles partagés du blog (index + articles individuels).
 * Réutilise les variables de charte de landing.css.
 */

:root {
  --ink: #040253;
  --blue: #0a0bf5;
  --green: #00B67A;
  --orange: #F5A623;
  --red: #E5484D;
  --muted: #6B6F8A;
  --text: #1F2236;
  --border: #E5E7EE;
  --snow: #F4F6FB;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --max-w: 1180px;
  --max-w-article: 760px;
}

* { box-sizing: border-box; margin: 0; padding: 0 }
html, body { -webkit-font-smoothing: antialiased }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px; line-height: 1.65;
  color: var(--text); background: #fff;
}
a { color: var(--blue); text-decoration: none }
a:hover { text-decoration: underline }
img { max-width: 100%; height: auto; display: block }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px }

/* ─── Reuse trust bar + nav from landing.css ─── */
.trust-top-bar { background: var(--ink); padding: 10px 28px }
.ttb-inner { max-width: var(--max-w); margin: 0 auto; display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; font-size: 12px; color: rgba(255,255,255,.7) }
.ttb { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: inherit }
.ttb b { color: #fff; font-weight: 700 }
.ttb-tp-pill { background: #00B67A; width: 18px; height: 18px; border-radius: 3px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 11px; font-weight: 900 }

.nav { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100 }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none }
.nav-logo-name { font-size: 16px; font-weight: 700; color: var(--ink) }
.nav-logo-name b { color: var(--blue) }
.nav-logo-by { display: flex; align-items: center; gap: 5px; font-size: 9px; color: var(--muted); margin-top: 2px }
.nav-logo-by img { height: 8px; width: auto; opacity: .7 }
.nav-links { display: flex; gap: 22px; align-items: center }
.nav-links a { color: var(--muted); font-size: 13px; font-weight: 500 }
.nav-links a:hover { color: var(--ink); text-decoration: none }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--blue); color: #fff; padding: 9px 18px; border-radius: var(--r-sm); font-size: 13px; font-weight: 600; white-space: nowrap; transition: opacity .15s, transform .15s }
.nav-cta:hover { opacity: .88; transform: translateY(-1px); color: #fff; text-decoration: none }

/* ─── BLOG INDEX ─── */
.blog-hero { padding: 70px 28px 50px; background: linear-gradient(180deg, #fff 0%, var(--snow) 100%); text-align: center }
.blog-hero .s-tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--blue); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 14px }
.blog-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; color: var(--ink); letter-spacing: -1.2px; line-height: 1.15; margin-bottom: 14px }
.blog-hero p { font-size: 17px; color: var(--muted); max-width: 600px; margin: 0 auto }

.blog-categories { display: flex; gap: 8px; justify-content: center; padding: 24px 28px; flex-wrap: wrap; background: var(--snow); border-bottom: 1px solid var(--border) }
.cat-btn { background: #fff; border: 1px solid var(--border); border-radius: 100px; padding: 7px 16px; font-size: 13px; font-weight: 600; color: var(--ink); cursor: pointer; transition: all .15s }
.cat-btn:hover { border-color: var(--blue); color: var(--blue) }
.cat-btn.active { background: var(--blue); border-color: var(--blue); color: #fff }

.blog-grid { padding: 60px 28px; max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px }
.blog-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column; text-decoration: none;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(4,2,83,.08); border-color: rgba(10,11,245,.2); text-decoration: none }
.blog-card-img {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--blue), #6E6FFF);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.92); font-size: 38px; font-weight: 800; letter-spacing: -1px;
}
.blog-card.cat-pain .blog-card-img { background: linear-gradient(135deg, #E5484D, #FF8A8E) }
.blog-card.cat-authority .blog-card-img { background: linear-gradient(135deg, #00B67A, #00D899) }
.blog-card.cat-howto .blog-card-img { background: linear-gradient(135deg, #F5A623, #FFC976) }
.blog-card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1 }
.blog-card-tag { font-size: 11px; font-weight: 700; color: var(--blue); letter-spacing: 1.2px; text-transform: uppercase; margin-bottom: 10px }
.blog-card.cat-pain .blog-card-tag { color: var(--red) }
.blog-card.cat-authority .blog-card-tag { color: var(--green) }
.blog-card.cat-howto .blog-card-tag { color: #B27200 }
.blog-card-h { font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.35; margin-bottom: 10px }
.blog-card-p { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 16px; flex-grow: 1 }
.blog-card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); margin-top: auto }
.blog-card-meta::before { content: '🕒'; font-size: 14px }

/* ─── ARTICLE PAGE ─── */
.article-head { padding: 70px 28px 32px; background: linear-gradient(180deg, var(--snow) 0%, #fff 100%) }
.article-breadcrumb { max-width: var(--max-w-article); margin: 0 auto 24px; font-size: 12px; color: var(--muted) }
.article-breadcrumb a { color: var(--muted) }
.article-breadcrumb a:hover { color: var(--blue) }
.article-title-wrap { max-width: var(--max-w-article); margin: 0 auto }
.article-cat-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 5px 12px; border-radius: 100px; margin-bottom: 16px }
.article-cat-tag.cat-pain { color: var(--red); background: rgba(229,72,77,.1) }
.article-cat-tag.cat-authority { color: var(--green); background: rgba(0,182,122,.1) }
.article-cat-tag.cat-howto { color: #B27200; background: rgba(245,166,35,.12) }
.article-h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: var(--ink); letter-spacing: -1.2px; line-height: 1.2; margin-bottom: 16px }
.article-lead { font-size: 18px; color: var(--muted); line-height: 1.6; margin-bottom: 22px }
.article-meta { display: flex; gap: 14px; align-items: center; font-size: 13px; color: var(--muted); padding-top: 18px; border-top: 1px solid var(--border) }
.article-meta-item { display: inline-flex; align-items: center; gap: 6px }

.article-body { max-width: var(--max-w-article); margin: 0 auto; padding: 40px 28px 60px; font-size: 16.5px; line-height: 1.75 }
.article-body h2 { font-size: 26px; font-weight: 700; color: var(--ink); letter-spacing: -.5px; line-height: 1.3; margin: 44px 0 16px }
.article-body h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin: 32px 0 12px }
.article-body p { margin-bottom: 18px; color: var(--text) }
.article-body strong { color: var(--ink); font-weight: 700 }
.article-body em { color: var(--muted); font-style: italic }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 22px }
.article-body li { margin-bottom: 8px; color: var(--text) }
.article-body blockquote {
  border-left: 4px solid var(--blue); background: var(--snow);
  padding: 16px 20px; margin: 24px 0; border-radius: 0 var(--r-md) var(--r-md) 0;
  font-style: italic; color: var(--ink);
}
.article-body code {
  background: var(--snow); padding: 2px 6px; border-radius: 4px;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace; font-size: 14px;
  color: var(--blue);
}
.article-body a { color: var(--blue); font-weight: 600; border-bottom: 1px solid rgba(10,11,245,.2) }
.article-body a:hover { border-bottom-color: var(--blue); text-decoration: none }

.article-callout {
  background: linear-gradient(135deg, rgba(10,11,245,.04), rgba(110,111,255,.06));
  border: 1px solid rgba(10,11,245,.15); border-radius: var(--r-lg);
  padding: 20px 24px; margin: 26px 0;
  display: flex; gap: 14px; align-items: flex-start;
}
.article-callout::before { content: '💡'; font-size: 22px; line-height: 1.1 }
.article-callout-text { flex: 1 }
.article-callout-text strong { color: var(--ink); display: block; margin-bottom: 4px }
.article-callout-text { font-size: 14px; color: var(--text) }

.article-cta {
  background: linear-gradient(135deg, var(--ink), #14133E); color: #fff;
  border-radius: var(--r-lg); padding: 32px 28px; margin: 40px 0;
  text-align: center;
}
.article-cta h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; color: #fff }
.article-cta p { color: rgba(255,255,255,.7); margin-bottom: 22px }
.article-cta a {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; padding: 13px 28px;
  border-radius: var(--r-md); font-weight: 600; border: none;
  transition: background .15s, transform .15s;
}
.article-cta a:hover { background: #1314ff; transform: translateY(-2px); color: #fff; text-decoration: none }

/* ─── Articles liés ─── */
.related-articles { background: var(--snow); padding: 60px 28px }
.related-inner { max-width: var(--max-w); margin: 0 auto }
.related-inner h2 { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 24px; text-align: center }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px }

/* ─── Footer (réutilise landing.css au besoin) ─── */
.footer { background: var(--ink); color: rgba(255,255,255,.65); padding: 48px 28px 24px }
.footer-inner { max-width: var(--max-w); margin: 0 auto }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.08) }
.footer h4 { font-size: 11px; font-weight: 700; color: #fff; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 14px }
.footer-links { display: flex; flex-direction: column; gap: 10px }
.footer-links a { color: rgba(255,255,255,.55); font-size: 13px; transition: color .15s }
.footer-links a:hover { color: #fff; text-decoration: none }
.footer-brand-name { font-size: 16px; font-weight: 700; color: #fff }
.footer-brand-name b { color: #8182FF }
.footer-by { font-size: 11px; color: rgba(255,255,255,.4); margin-bottom: 12px }
.footer-desc { font-size: 13px; line-height: 1.65; color: rgba(255,255,255,.55); max-width: 280px }
.footer-bottom { padding: 20px 0 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12px; color: rgba(255,255,255,.45) }
.footer-bottom a { color: rgba(255,255,255,.55) }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr; gap: 18px }
  .related-grid { grid-template-columns: 1fr }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px }
  .footer-grid > div:first-child { grid-column: span 2 }
}
@media (max-width: 600px) {
  .article-h1 { font-size: 26px }
  .article-body { font-size: 15.5px; padding: 30px 22px 50px }
  .article-body h2 { font-size: 22px }
  .article-body h3 { font-size: 18px }
  .footer-grid { grid-template-columns: 1fr }
}