/* =========================================================================
   SCALEAD — Page "Visibilité IA" (landing classique)
   Réutilise les tokens du site (dual-thème). Encoches cyan/navy, fil lumineux,
   fond quadrillé, mono Coda — cohérent avec la home et le journal.
   ========================================================================= */

.lp-shell {
  --lp-radius: 4px;
  --lp-cnr: var(--brand--bluesky);
  --lp-beam: var(--brand--bluesky);
  --lp-card: var(--neutral--dark);
  --lp-ink: #ffffff;
  --lp-ink-fade: rgba(255, 255, 255, 0.62);
  --lp-border: var(--alpha--white-12);
  --lp-border-soft: var(--alpha--white-6);
  --lp-mono-mark: #ffffff;

  position: relative;
  min-height: 100vh;
  color: var(--lp-ink);
  font-family: var(--_typography---font--secondary);
  overflow: hidden;
}
html[data-theme='light'] .lp-shell {
  --lp-cnr: #0a3d91;
  --lp-beam: #1677ff;
  --lp-card: #ffffff;
  --lp-ink: #111827;
  --lp-ink-fade: #667085;
  --lp-border: rgba(22, 119, 255, 0.14);
  --lp-border-soft: rgba(22, 119, 255, 0.08);
  --lp-mono-mark: #111827;
}

/* Fond quadrillé + halo, comme le canvas du site */
.lp-bg {
  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 80% 55% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 0%, transparent 75%);
}
html[data-theme='light'] .lp-shell .lp-bg {
  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);
}

.lp-wrap {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Mono mark theming (Grok) */
.lp-shell .ai-mark--mono { color: var(--lp-mono-mark); }
.lp-shell .ai-mark { display: inline-block; vertical-align: middle; }

/* =========================================================================
   HERO
   ========================================================================= */
.lp-hero {
  text-align: center;
  padding: 92px 0 64px;
}
.lp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brand--blue);
  margin-bottom: 22px;
}
.lp-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand--blue);
  box-shadow: 0 0 8px var(--brand--blue);
}

.lp-h1 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: clamp(34px, 6vw, 62px);
  letter-spacing: -0.025em;
  line-height: 1.06;
  color: var(--lp-ink);
  margin: 0 auto;
  max-width: 16ch;
  display: flex;
  flex-wrap: wrap;
  gap: 0.18em 0.28em;
  align-items: center;
  justify-content: center;
}

/* Chip animé (logo + nom qui défile). Le conteneur porte la teinte pour le
   cadre/halo ; chaque bloc-moteur (keyed) porte SA propre teinte pour le
   contenu, donc le texte reste toujours de la bonne couleur pendant la sortie. */
.von-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  padding: 0.14em 0.55em 0.2em 0.42em;
  border-radius: var(--lp-radius);
  background: color-mix(in srgb, var(--brand) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 45%, transparent);
  box-shadow: 0 8px 34px color-mix(in srgb, var(--brand) 22%, transparent);
  vertical-align: middle;
  transition: background 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}
/* Grok : marque monochrome -> encre du thème (visible en sombre ET clair). */
.von-chip[data-mono='true'],
.von-item[data-mono='true'] { --brand: var(--lp-ink); }

.von-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.von-item {
  display: inline-flex;
  align-items: center;
  gap: 0.42em;
  color: var(--brand);
}
.von-mark {
  display: inline-flex;
  align-items: center;
}
.von-name {
  display: inline-flex;
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  color: var(--brand);
  line-height: 0.98;
}
.von-split {
  display: inline-block;
  overflow: hidden;
  padding-bottom: 0.08em;
}
.von-el {
  display: inline-block;
}

.lp-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.6;
  color: var(--lp-ink-fade);
  max-width: 60ch;
  margin: 26px auto 0;
}

.lp-cta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
}
.lp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--_typography---font--coda);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: var(--lp-radius);
}
.lp-btn--primary {
  color: #fff;
  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) 24%, transparent);
  transition: transform 0.2s, box-shadow 0.2s;
}
html[data-theme='light'] .lp-shell .lp-btn--primary {
  background: linear-gradient(135deg, #2b83ff, #0a3d91);
}
.lp-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 38px color-mix(in srgb, var(--brand--blue) 32%, transparent);
}
.lp-btn--ghost {
  color: var(--lp-ink-fade);
  background: transparent;
  border: 1px solid var(--lp-border);
  transition: color 0.2s, border-color 0.2s;
}
.lp-btn--ghost:hover { color: var(--brand--blue); border-color: var(--brand--blue); }

/* Bandeau logos statiques */
.lp-strip {
  margin: 44px auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.lp-strip-label {
  font-family: var(--_typography---font--coda);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-ink-fade);
}
.lp-strip-row {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}
.lp-strip-item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: 16px;
  color: var(--lp-ink);
  opacity: 0.9;
}

/* =========================================================================
   SECTION "Comment ça marche" (3 étapes en cartes)
   ========================================================================= */
.lp-section { padding: 26px 0 84px; }
.lp-section-head { text-align: center; margin-bottom: 42px; }
.lp-kicker {
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--brand--blue);
}
.lp-section-head h2 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--lp-ink);
  margin: 12px auto 0;
  max-width: 20ch;
}

.lp-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.lp-card {
  position: relative;
  padding: 26px 24px 28px;
  background: var(--lp-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
}
.lp-cnr {
  position: absolute;
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--lp-cnr);
  z-index: 4;
  pointer-events: none;
  filter: drop-shadow(0 0 2px color-mix(in srgb, var(--lp-cnr) 30%, transparent));
}
.lp-cnr.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.lp-cnr.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.lp-cnr.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.lp-cnr.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.lp-step-n {
  font-family: var(--_typography---font--coda);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--brand--blue);
}
.lp-card h3 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--lp-ink);
  margin: 12px 0 8px;
}
.lp-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--lp-ink-fade);
  margin: 0;
}

/* Fil lumineux partagé (cartes + CTA) */
.lp-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;
}
.lp-beam::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 150px;
  height: 150px;
  transform: translate(-50%, 50%);
  background: radial-gradient(circle, var(--lp-beam) 0%, transparent 62%);
  animation: lp-go 6s linear infinite;
}
@keyframes lp-go {
  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; }
}

/* =========================================================================
   CTA bas de page
   ========================================================================= */
.lp-final {
  position: relative;
  padding: 44px 34px;
  background: var(--lp-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  text-align: center;
  margin-bottom: 90px;
}
.lp-final h2 {
  font-family: var(--_typography---font--primary);
  font-weight: 600;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--lp-ink);
  margin: 0 auto 10px;
  max-width: 22ch;
}
.lp-final p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--lp-ink-fade);
  margin: 0 auto 24px;
  max-width: 52ch;
}

@media (max-width: 860px) {
  .lp-steps { grid-template-columns: 1fr; }
  .lp-hero { padding: 64px 0 48px; }
}
@media (prefers-reduced-motion: reduce) {
  .lp-beam::after { animation: none; }
  .von-mark { animation: none; }
}