/* ===================================================
   AI VISUAL SYSTEMS — page stratégique
   Style ultra haut de gamme · Apple / LVMH
   Hérite de styles.css (variables, layout, typography)
   =================================================== */

.page-avs {
  background: var(--noir);
}

/* ----- HOOK ----- */
.avs-hook {
  min-height: 100vh;
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-xl);
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(204,20,20,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(204,20,20,0.04) 0%, transparent 50%),
    var(--noir);
  position: relative;
  overflow: hidden;
}

.avs-hook::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  opacity: 0.6;
}

.avs-hook .container { position: relative; z-index: 1; }

.avs-hook-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--rouge);
  margin: var(--space-md) 0;
  max-width: 18ch;
}

.avs-hook-title em {
  font-style: italic;
  color: var(--blanc);
}

.avs-hook-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255,255,255,0.78);
  max-width: 56ch;
  margin-bottom: var(--space-md);
}

.avs-hook-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.avs-hook-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}

/* ----- SECTIONS GÉNÉRIQUES ----- */
.avs-section {
  padding: var(--space-xxl) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.avs-section-header {
  max-width: 760px;
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.avs-section-header h2,
.avs-vision-inner h2,
.avs-cta-inner h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.avs-section-header .lead { max-width: 100%; margin: 0 auto; }

/* ----- 2. CONCEPT ----- */
.avs-concept { background: var(--noir); }

.avs-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.avs-split-text h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.avs-split-text p { margin-bottom: var(--space-sm); max-width: 56ch; }

.avs-concept-pillars {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.avs-concept-pillars li {
  background: var(--noir-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 2px solid var(--rouge);
  padding: var(--space-md);
  transition: border-color var(--t-medium) var(--ease-out),
              transform var(--t-medium) var(--ease-out);
}

.avs-concept-pillars li:hover {
  border-color: rgba(204,20,20,0.4);
  border-left-color: var(--rouge);
  transform: translateX(4px);
}

.avs-pillar-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--rouge);
  margin-bottom: 0.5rem;
}

.avs-concept-pillars h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--blanc);
  margin-bottom: 0.75rem;
}

.avs-concept-pillars p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  max-width: 100%;
}

/* ----- 3. PRODUCT ----- */
.avs-product { background: var(--noir-alt); }

.avs-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.avs-product-card {
  position: relative;
  padding: var(--space-lg) var(--space-md);
  background: var(--noir);
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color var(--t-medium) var(--ease-out),
              background var(--t-medium) var(--ease-out);
}

.avs-product-card:hover {
  border-color: rgba(204,20,20,0.35);
  background: rgba(204,20,20,0.04);
}

.avs-product-tag {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--rouge);
  border: 1px solid rgba(204,20,20,0.4);
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
}

.avs-product-card h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--blanc);
  margin-bottom: var(--space-sm);
  margin-top: var(--space-md);
  max-width: 18ch;
}

.avs-product-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-md);
  max-width: 42ch;
}

.avs-product-meta {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ----- 4. APPLICATIONS ----- */
.avs-applications { background: var(--noir); }

.avs-apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.05);
}

.avs-app {
  background: var(--noir);
  padding: var(--space-lg) var(--space-md);
  transition: background var(--t-medium) var(--ease-out);
}

.avs-app:hover { background: var(--noir-alt); }

.avs-app h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--rouge);
  margin-bottom: 0.75rem;
  font-weight: 400;
}

.avs-app p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  max-width: 36ch;
}

/* ----- 5. MARKET ----- */
.avs-market { background: var(--noir-alt); }

.avs-market-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
}

.avs-market-text h2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  margin-bottom: var(--space-md);
}

.avs-market-text p { margin-bottom: var(--space-sm); max-width: 50ch; }

.avs-market-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.avs-stat {
  background: var(--noir);
  border: 1px solid rgba(255,255,255,0.05);
  padding: var(--space-md);
  border-left: 2px solid var(--rouge);
}

.avs-stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 300;
  color: var(--rouge);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.avs-stat-num sup {
  font-size: 1.2rem;
  vertical-align: super;
  margin-left: 0.1em;
}

.avs-stat-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ----- 6. EDGE ----- */
.avs-edge { background: var(--noir); }

.avs-edge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.avs-edge-card {
  padding: var(--space-lg);
  background: var(--noir-alt);
  border: 1px solid rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
}

.avs-edge-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 1px;
  background: var(--rouge);
  transition: width 0.8s var(--ease-out);
}

.avs-edge-card:hover::before { width: 100%; }

.avs-edge-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--rouge);
  margin-bottom: var(--space-sm);
}

.avs-edge-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--blanc);
  margin-bottom: var(--space-sm);
}

.avs-edge-card p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  max-width: 48ch;
  line-height: 1.65;
}

/* ----- 7. VISION ----- */
.avs-vision { background: var(--noir-alt); }

.avs-vision-inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.avs-vision-inner .lead {
  margin: 0 auto var(--space-lg);
  max-width: 60ch;
}

.avs-vision-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
  margin-top: var(--space-lg);
}

.avs-vision-steps li {
  padding: var(--space-md);
  background: var(--noir);
  border: 1px solid rgba(255,255,255,0.06);
  border-top: 2px solid var(--rouge);
}

.avs-vision-phase {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--rouge);
  margin-bottom: 0.6rem;
}

.avs-vision-steps strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--blanc);
  margin-bottom: 0.6rem;
}

.avs-vision-steps p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  max-width: 100%;
}

/* ----- 8. CTA ----- */
.avs-cta {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(204,20,20,0.12) 0%, transparent 70%),
    var(--noir);
  text-align: center;
  padding: calc(var(--space-xxl) * 1.1) 0;
}

.avs-cta-inner { max-width: 760px; margin: 0 auto; }

.avs-cta-inner h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin-bottom: var(--space-md);
}

.avs-cta-inner .lead { margin: 0 auto var(--space-md); }

.avs-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.avs-cta-note {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin: 0 auto;
}

/* ----- RESPONSIVE ----- */
@media (max-width: 980px) {
  .avs-split,
  .avs-market-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .avs-product-grid,
  .avs-edge-grid { grid-template-columns: 1fr; }
  .avs-apps-grid { grid-template-columns: repeat(2, 1fr); }
  .avs-vision-steps { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .avs-apps-grid { grid-template-columns: 1fr; }
  .avs-hook-cta,
  .avs-cta-group { flex-direction: column; align-items: stretch; }
  .avs-hook-cta .btn,
  .avs-cta-group .btn { text-align: center; }
}