/* =========================================================================
   SCALEAD — JOURNAL GEO (blog)
   -------------------------------------------------------------------------
   Feuille de style des pages /blog et /blog/[slug].
   Elle s'appuie sur les MÊMES tokens que le site (--_theme---*, --brand--*,
   --alpha--white-*, --_typography---font--*) pour hériter automatiquement du
   mode sombre (défaut) ET du mode clair (html[data-theme="light"]).

   Langage visuel repris du site :
     • encoches (corner brackets)  -> cyan en sombre / navy #0a3d91 en clair
     • fil lumineux (beam)         -> blob radial masqué sur l'anneau 1px
     • labels mono (Coda)          -> majuscules, interlettrage
     • angles courts (radius 4px)  -> esthétique technique
     • fond quadrillé + wash        -> cohérent avec u-mode-base
   ========================================================================= */

.blog-shell {
  --blog-max: 1120px;
  --blog-radius: 4px;
  --blog-card: var(--neutral--dark);
  --blog-cnr: var(--brand--bluesky);
  --blog-beam: var(--brand--bluesky);
  --blog-cover-a: linear-gradient(135deg, var(--brand--blue), var(--brand--bluesky));
  --blog-cover-b: linear-gradient(135deg, #12333a, var(--brand--blue));
  --blog-cover-c: linear-gradient(135deg, var(--brand--blue), #0d6b78);
  /* Encre découplée de --_theme---text : ce token est (re)défini par Webflow
     sur body.u-mode-base (ancêtre plus proche que <html>), donc l'override
     clair posé sur <html> perdrait la course d'héritage. On fixe donc l'encre
     ici, puis on la bascule explicitement en clair sur .blog-shell. */
  --blog-ink: #ffffff;
  --blog-ink-fade: rgba(255, 255, 255, 0.62);
  --blog-border: var(--alpha--white-12);
  --blog-border-soft: var(--alpha--white-6);

  position: relative;
  min-height: 100vh;
  padding-bottom: 90px;
  color: var(--blog-ink);
  font-family: var(--_typography---font--secondary);
  overflow: hidden;
}

/* ---- Mode clair : cartes blanches, encoches/beam navy ---- */
html[data-theme='light'] .blog-shell {
  --blog-ink: #111827;
  --blog-ink-fade: #667085;
  --blog-card: #ffffff;
  --blog-cnr: #0a3d91;
  --blog-beam: #1677ff;
  --blog-cover-a: linear-gradient(135deg, #1677ff, #54a6ff);
  --blog-cover-b: linear-gradient(135deg, #0a3d91, #1677ff);
  --blog-cover-c: linear-gradient(135deg, #54a6ff, #1677ff);
  --blog-border: rgba(22, 119, 255, 0.14);
  --blog-border-soft: rgba(22, 119, 255, 0.08);
}

/* ---- Fond quadrillé + graduation, calqué sur le canvas du site ---- */
.blog-bg-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--alpha--white-3) 1px, transparent 1px),
    linear-gradient(90deg, var(--alpha--white-3) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
}
html[data-theme='light'] .blog-shell .blog-bg-grid {
  background-image:
    linear-gradient(rgba(22, 119, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 119, 255, 0.05) 1px, transparent 1px);
}

/* =========================================================================
   Encoches (corner brackets) — 4 spans en L, affleurant les bords.
   ========================================================================= */
.blog-cnr {
  position: absolute;
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--blog-cnr);
  z-index: 4;
  pointer-events: none;
  filter: drop-shadow(0 0 2px color-mix(in srgb, var(--blog-cnr) 30%, transparent));
}
.blog-cnr.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.blog-cnr.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.blog-cnr.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.blog-cnr.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* =========================================================================
   Fil lumineux (beam) — blob radial qui tourne, masqué sur l'anneau 1px.
   ========================================================================= */
.blog-beam {
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  overflow: hidden;
}
.blog-beam::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 150px;
  height: 150px;
  transform: translate(-50%, 50%);
  background: radial-gradient(circle, var(--blog-beam) 0%, transparent 62%);
  animation: blog-go-around 6s linear infinite;
}
@keyframes blog-go-around {
  0%   { left: 0;    bottom: 0; }
  25%  { left: 0;    bottom: 100%; }
  50%  { left: 100%; bottom: 100%; }
  75%  { left: 100%; bottom: 0; }
  100% { left: 0;    bottom: 0; }
}

/* =========================================================================
   En-tête léger
   ========================================================================= */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--blog-border);
  background-color: color-mix(in srgb, var(--_theme---background) 72%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
}
.blog-header-inner {
  max-width: var(--blog-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 15px 28px;
}
.blog-logo { text-decoration: none; display: inline-flex; }
.blog-logo .brand-wordmark { font-size: 17px; }
.blog-header-tag {
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--brand--blue);
  padding: 3px 9px;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
}
.blog-header-sp { flex: 1; }
.blog-header-back {
  font-family: var(--_typography---font--coda);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--blog-ink-fade);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-header-back:hover { color: var(--brand--blue); }

/* =========================================================================
   Layout
   ========================================================================= */
.blog-wrap {
  position: relative;
  z-index: 1;
  max-width: var(--blog-max);
  margin: 0 auto;
  /* La navbar du site (SiteNav) est en position:fixed (~115px) : on décale le
     contenu pour qu'il passe dessous, comme sur les autres pages. */
  padding: 130px 28px 0;
}
/* Navbar identique au reste du site sur le blog : pas de soulignement des liens. */
.blog-shell .header .navlink,
.blog-shell .header .nav_logo,
.blog-shell .header a {
  text-decoration: none;
}

.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand--blue);
}
.blog-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand--blue);
  box-shadow: 0 0 8px var(--brand--blue);
}

.blog-hero {
  text-align: center;
  padding: 8px 0 6px;
}
.blog-hero h1 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 46px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 16px 0 12px;
  color: var(--blog-ink);
}
.blog-hero p {
  color: var(--blog-ink-fade);
  font-size: 15px;
  line-height: 1.55;
  max-width: 58ch;
  margin: 0 auto;
}

/* =========================================================================
   Grille de cartes (bento : 1re carte à la une sur 2 colonnes)
   ========================================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--blog-card);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 44px color-mix(in srgb, var(--brand--blue) 16%, transparent);
}
.blog-card--feat { grid-column: 1 / 3; grid-row: 1 / 3; }

.blog-cover {
  position: relative;
  height: 152px;
  overflow: hidden;
  background: var(--blog-cover-a);
}
/* Visuel réel de l'article (couverture générée). */
.blog-cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  z-index: 0;
}
.blog-cover[data-variant='b'] { background: var(--blog-cover-b); }
.blog-cover[data-variant='c'] { background: var(--blog-cover-c); }
.blog-card--feat .blog-cover { height: 300px; }
.blog-cover-noise {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
}
.blog-cover-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.06) 0,
    rgba(255, 255, 255, 0.06) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: overlay;
}
.blog-cover-mono {
  position: absolute;
  left: 16px;
  bottom: 13px;
  font-family: var(--_typography---font--coda);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
}

.blog-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 17px 19px 18px;
}
.blog-cat {
  font-family: var(--_typography---font--coda);
  font-size: 9.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand--blue);
}
.blog-card-body h2,
.blog-card-body h3 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.24;
  margin: 10px 0 9px;
  color: var(--blog-ink);
}
.blog-card-body h2 { font-size: 24px; }
.blog-card-body h3 { font-size: 16px; }
.blog-ex {
  font-size: 13px;
  line-height: 1.5;
  color: var(--blog-ink-fade);
  margin: 0 0 15px;
  flex: 1;
}
.blog-meta-b {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--_typography---font--coda);
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--blog-ink-fade);
  border-top: 1px solid var(--blog-border-soft);
  padding-top: 12px;
}
.blog-cited {
  margin-left: auto;
  color: #22c55e;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
html[data-theme='light'] .blog-shell .blog-cited { color: #16a34a; }

/* =========================================================================
   Article
   ========================================================================= */
.blog-article { max-width: 720px; margin: 0 auto; }
.blog-back,
.blog-more-arrow {
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--blog-ink-fade);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-back {
  display: flex;
  width: fit-content;
  gap: 7px;
  align-items: center;
  margin-bottom: 24px;
}
.blog-back:hover { color: var(--brand--blue); }
.blog-art-cat {
  font-family: var(--_typography---font--coda);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brand--blue);
}
.blog-art-title {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: clamp(30px, 5.4vw, 42px);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 12px 0 16px;
  color: var(--blog-ink);
  text-wrap: balance;
}
.blog-art-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--blog-ink-fade);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--blog-border);
}
.blog-av {
  width: 26px;
  height: 26px;
  border-radius: var(--blog-radius);
  background: conic-gradient(from 200deg, var(--brand--blue), var(--brand--bluesky), var(--brand--blue));
}
.blog-dot { opacity: 0.5; }

.blog-art-cover {
  position: relative;
  height: 280px;
  border-radius: var(--blog-radius);
  overflow: hidden;
  margin: 26px 0 34px;
  background: var(--blog-cover-a);
}
.blog-cite-badge {
  position: absolute;
  right: 14px;
  top: 14px;
  font-family: var(--_typography---font--coda);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10, 61, 145, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 99px;
  padding: 6px 11px;
}
.blog-cover-query {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.85);
}
.blog-cover-query b { color: #fff; font-weight: 600; }

/* ---- Prose (markdown rendu) ---- */
.blog-prose { color: var(--blog-ink-fade); font-size: 16px; line-height: 1.72; }
.blog-prose > * + * { margin-top: 1.15em; }
.blog-prose h2,
.blog-prose h3 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--blog-ink);
  line-height: 1.2;
}
.blog-prose h2 { font-size: 25px; margin-top: 2em; }
.blog-prose h3 { font-size: 19px; margin-top: 1.6em; }
.blog-prose p { color: var(--blog-ink-fade); }
.blog-prose strong { color: var(--blog-ink); font-weight: 600; }
.blog-prose a { color: var(--brand--blue); text-underline-offset: 3px; }
.blog-prose ul,
.blog-prose ol { padding-left: 1.25em; }
.blog-prose li { margin-top: 0.5em; }
.blog-prose li::marker { color: var(--brand--blue); }
.blog-prose code {
  font-family: var(--_typography---font--coda);
  font-size: 0.86em;
  background: var(--alpha--white-6);
  border: 1px solid var(--blog-border);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  color: var(--blog-ink);
}
.blog-prose blockquote {
  position: relative;
  margin: 1.6em 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--brand--blue);
  font-family: var(--_typography---font--primary);
  font-weight: 500;
  font-size: 19px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--blog-ink);
}

/* =========================================================================
   Bloc CTA de fin d'article
   ========================================================================= */
.blog-cta {
  position: relative;
  margin: 46px 0 10px;
  padding: 32px 30px;
  background: var(--blog-card);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  text-align: left;
}
.blog-cta h3 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 10px 0 8px;
  color: var(--blog-ink);
}
.blog-cta p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--blog-ink-fade);
  margin: 0 0 20px;
  max-width: 52ch;
}
.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--_typography---font--coda);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--blog-radius);
  background: linear-gradient(135deg, var(--brand--blue), var(--brand--bluesky));
  border: 1px solid color-mix(in srgb, var(--brand--blue) 45%, transparent);
  box-shadow: 0 8px 30px color-mix(in srgb, var(--brand--blue) 22%, transparent);
  transition: transform 0.2s, box-shadow 0.2s;
}
html[data-theme='light'] .blog-shell .blog-cta-btn {
  background: linear-gradient(135deg, #2b83ff, #0a3d91);
}
.blog-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 38px color-mix(in srgb, var(--brand--blue) 30%, transparent);
}

/* =========================================================================
   "À lire ensuite"
   ========================================================================= */
.blog-more { max-width: 720px; margin: 56px auto 0; }
.blog-more-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.blog-more-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 18px;
  background: var(--blog-card);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-more-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px color-mix(in srgb, var(--brand--blue) 14%, transparent);
}
.blog-more-card h4 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--blog-ink);
  margin: 0;
  flex: 1;
}
.blog-more-arrow { color: var(--brand--blue); }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .blog-card--feat { grid-column: 1 / 3; grid-row: auto; }
  .blog-card--feat .blog-cover { height: 200px; }
}
@media (max-width: 620px) {
  .blog-grid,
  .blog-more-grid { grid-template-columns: 1fr; }
  .blog-card--feat { grid-column: auto; }
  .blog-wrap { padding: 96px 18px 0; }
  .blog-header-tag { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-beam::after { animation: none; }
}