/* ============================================================================
   landing.css — Grammaire 5 : Landing / Hero (home)
   Synthese des trois inspirations. Mixe KPI, cards, editorial.
   Spec: 07_PAGE_GRAMMARS.md — Grammaire 5
   ============================================================================ */

/* ---------- HERO EDITORIAL (fold sobre) ---------- */

.hero-editorial {
  padding: 96px 40px 120px;
  border-bottom: 1px solid var(--color-border-secondary);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-editorial-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-editorial-text .eyebrow {
  margin-bottom: 32px;
}

.hero-editorial-text .h-display {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 32px;
  color: var(--color-text-primary);
  max-width: 18ch;
}

.hero-editorial-text .standfirst {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 55ch;
  margin: 0 0 48px;
}

.hero-editorial-actions {
  display: flex;
  gap: 32px;
  align-items: center;
}

.hero-editorial-portrait {
  position: relative;
}

.portrait-placeholder {
  aspect-ratio: 3/4;
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cta-link--muted {
  color: var(--color-text-secondary);
  border-bottom-color: var(--color-text-tertiary);
}

/* ---------- HOME HERO ACCENTS ---------- */
/* Sur Bloomberg (vivid-bloomberg) : deux teintes complémentaires,
   premier em en cyan, second en violet — fait écho au DNA Variant-B
   sans saturer. Reste lisible et structurel. */
.hero-editorial--home .h-display em {
  font-style: italic;
  font-weight: 400;
  color: var(--brand-primary);
}
.hero-editorial--home .h-display em + br + em,
.hero-editorial--home .h-display em:nth-of-type(2) {
  color: var(--brand-secondary, var(--brand-primary));
}

/* Fallback Variant-A : un seul accent rouge sur les em */
[data-palette="vivid-editorial"] .hero-editorial--home .h-display em,
[data-palette="editorial-light"] .hero-editorial--home .h-display em {
  color: var(--brand-accent);
}

@media (max-width: 900px) {
  .hero-editorial {
    padding: 64px 24px 80px;
    min-height: auto;
  }
  .hero-editorial-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ---------- WATCH BLOCK ---------- */

.watch-block {
  max-width: 720px;
  border-left: 3px solid var(--brand-primary);
  padding: 24px 0 24px 32px;
}

.watch-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-text-primary);
  margin: 16px 0 24px;
}

/* ---------- LEGACY HERO (kept for reference) ---------- */

.hero {
  padding: var(--space-8) 0 var(--space-7);
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-7);
  align-items: start;
}

.hero-main {}

.hero .eyebrow {
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: var(--weight-medium);
  line-height: var(--lh-hero);
  letter-spacing: var(--tracking-hero);
  color: var(--color-text-primary);
  max-width: 700px;
  margin: 0 0 var(--space-4);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0 0 var(--space-5);
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

/* ---------- SECTION GENERAL ---------- */

.section {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-border-secondary);
}

.section-header {
  margin-bottom: var(--space-5);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--weight-medium);
  line-height: var(--lh-h2);
  color: var(--color-text-primary);
  margin: 0;
}

.section-subtitle {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  margin: var(--space-2) 0 0;
}

/* ---------- FEATURED PUBLICATION ---------- */

.featured-pub {
  background: var(--color-background-secondary);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  margin: var(--space-5) 0;
  border-left: 4px solid var(--brand-accent);
}

.featured-pub-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--weight-medium);
  line-height: var(--lh-h2);
  margin: var(--space-3) 0 var(--space-3);
}

.featured-pub-summary {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 0 var(--space-4);
}

/* ---------- RESEARCH PROGRAM (3 cards) ---------- */

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.program-card {
  padding: var(--space-5);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--brand-primary);
}

.program-card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-3);
  color: var(--brand-primary);
}

.program-card h3 {
  font-size: var(--fs-h3);
  margin: 0 0 var(--space-3);
}

.program-card p {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-4);
}

@media (max-width: 760px) {
  .program-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- RECENT ANALYSES (2x2 grid) ---------- */

.analyses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (max-width: 600px) {
  .analyses-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- VIGIE PREVIEW ---------- */

.vigie-preview {
  padding: var(--space-6) 0;
}

.vigie-preview .chart {
  max-width: 680px;
}

/* ---------- AFFILIATIONS ---------- */

.affiliations {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--color-text-tertiary);
  text-align: center;
  padding: var(--space-5) 0;
}

.affiliations span {
  margin: 0 var(--space-2);
}

/* ---------- MOBILE ---------- */

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-6) 0 var(--space-5);
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- PORTRAIT PHOTO ----------
   Le PNG source est composé sur fond noir pur (#000) avec vignette
   pré-appliquée. Sur fond noir Bloomberg (--color-background-primary = #000)
   les bords disparaissent intégralement. On ajoute un mask radial CSS pour
   estomper encore davantage les bords sur palettes non-noir-pur. */

.hero-editorial-portrait {
  position: relative;
}

.hero-editorial-portrait .portrait-photo {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  background: transparent;
  border: none;
  margin: 0 auto;
}

/* Mask radial uniquement en dark mode — gomme le halo studio sur fond noir.
   En light mode (fond blanc/cream), la photo N&B est déjà propre, pas de mask. */
[data-palette="vivid-bloomberg"] .hero-editorial-portrait .portrait-photo,
[data-palette="vivid-editorial"] .hero-editorial-portrait .portrait-photo {
  -webkit-mask-image:
    radial-gradient(
      ellipse 70% 78% at 50% 38%,
      #000 35%,
      rgba(0,0,0,0.95) 55%,
      rgba(0,0,0,0.55) 75%,
      rgba(0,0,0,0.15) 92%,
      transparent 100%
    );
  mask-image:
    radial-gradient(
      ellipse 70% 78% at 50% 38%,
      #000 35%,
      rgba(0,0,0,0.95) 55%,
      rgba(0,0,0,0.55) 75%,
      rgba(0,0,0,0.15) 92%,
      transparent 100%
    );
}

/* ---------- HOME RESEARCH TEASE ---------- */

.home-research-tease {
  padding: 80px 40px;
  border-top: 1px solid var(--color-border-secondary);
}

.home-research-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.home-research-tease .section-title {
  margin-bottom: 48px;
}

.home-research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.home-research-axis {
  display: block;
  text-decoration: none;
  padding: var(--space-5);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.home-research-axis:hover {
  border-color: var(--brand-primary);
  background: var(--color-background-secondary);
}

.axis-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  display: block;
  margin-bottom: var(--space-3);
}

.home-research-axis:nth-child(1) .axis-num {
  color: var(--brand-primary);
}
.home-research-axis:nth-child(2) .axis-num {
  color: var(--brand-secondary);
}
.home-research-axis:nth-child(3) .axis-num {
  color: var(--brand-tertiary);
}

.home-research-axis:nth-child(1) {
  border-left: 3px solid var(--brand-primary);
}
.home-research-axis:nth-child(2) {
  border-left: 3px solid var(--brand-secondary);
}
.home-research-axis:nth-child(3) {
  border-left: 3px solid var(--brand-tertiary);
}

.home-research-axis h3 {
  font-size: var(--fs-h3);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
}

.home-research-axis p {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---------- RESEARCH TRANSVERSAL ---------- */

.home-research-transversal {
  margin-top: var(--space-4);
}

.home-research-axis--transversal {
  border-left: 3px solid var(--brand-primary) !important;
  background: linear-gradient(135deg, rgba(34, 81, 255, 0.06), transparent);
}

/* ---------- OPERATIONAL INDICATORS PREVIEW ---------- */

.home-operational {
  border-top-color: rgba(34, 81, 255, 0.28);
}

.home-operational-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-5);
}

.home-operational-head .section-subtitle {
  max-width: 66ch;
}

.home-operational-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.home-operational-actions .action--muted {
  color: var(--color-text-secondary);
  border-bottom-color: var(--color-text-tertiary);
}

.home-operational-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.home-operational-card {
  background: linear-gradient(135deg, rgba(44, 95, 138, 0.14), rgba(14, 15, 18, 0.72));
  border: 1px solid rgba(34, 81, 255, 0.22);
  border-left: 3px solid var(--brand-primary, #2251FF);
  padding: var(--space-5);
}

.home-operational-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--brand-primary, #2251FF);
  margin-bottom: var(--space-2);
}

.home-operational-card h3 {
  font-size: var(--fs-h3);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
}

.home-operational-card p {
  font-size: var(--fs-body-sm);
  line-height: var(--lh-body-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-3);
}

.home-operational-metrics {
  display: flex;
  gap: var(--space-4);
}

.home-operational-metrics span {
  font-size: 22px;
  font-weight: 300;
  color: var(--color-text-primary);
  display: block;
}

.home-operational-metrics small {
  font-size: 11px;
  color: var(--color-text-tertiary);
  display: block;
  margin-top: 2px;
}

/* ---------- MOBILE ---------- */

@media (max-width: 760px) {
  .home-research-tease {
    padding: 48px 24px;
  }
  .home-research-grid {
    grid-template-columns: 1fr;
  }
  .home-operational-head,
  .home-operational-grid {
    grid-template-columns: 1fr;
  }
  .home-operational-actions {
    justify-content: flex-start;
  }
}