/* ============================================================
   Altus Conseil — design-system/sections/cta.css
   ------------------------------------------------------------
   Section finale avant footer — UN seul CTA primaire,
   complété par un bloc de coordonnées en 3 colonnes.

   Variantes — identiques au reste du système. La CTA finale est
   souvent en variante A ou B (sombre) : "respiration finale"
   avant le footer.

   Requiert : colors_and_type.css, hero.css (.altus-btn).
   ============================================================ */

/* ─── Container ────────────────────────────────────────────── */

.altus-section-cta {
  position: relative;
  background: var(--altus-bg);
  color: var(--altus-fg1);
  font-family: var(--altus-font);
  font-weight: var(--altus-w-light);
  isolation: isolate;
  padding-block: clamp(112px, 16vh, 200px);
  padding-inline: 9vw;
}

/* Première section de la page — respiration de 25vh sous le header fixé. */
.altus-section-cta:first-child {
  padding-top: 25vh;
}

.altus-section-cta-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

/* ─── Header centré ────────────────────────────────────────── */

.altus-section-cta-eyebrow {
  margin: 0;
  font-size: 13px;
  font-weight: var(--altus-w-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--altus-accent);
}

.altus-section-cta-title {
  margin: 0;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: var(--altus-w-light);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--altus-fg1);
  max-width: 22ch;
  text-wrap: balance;
}

.altus-section-cta-lede {
  margin: 8px 0 0;
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: var(--altus-w-light);
  line-height: 1.5;
  color: var(--altus-fg2);
  max-width: 56ch;
  text-wrap: pretty;
}

/* ─── CTA primaire (un peu plus grand que le hero) ─────────── */

.altus-section-cta-action {
  margin-top: 32px;
  padding: 18px 40px;
  font-size: clamp(15px, 1.2vw, 17px);
}
.altus-section-cta-action svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 200ms var(--altus-ease);
}
.altus-section-cta-action:hover svg,
.altus-section-cta-action:focus-visible svg {
  transform: translateX(4px);
}

/* ─── Bloc contact — 3 colonnes ────────────────────────────── */

.altus-section-cta-contact {
  width: 100%;
  margin-top: clamp(72px, 9vh, 112px);
  padding-top: 40px;
  border-top: 1px solid var(--altus-sep);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.altus-section-cta-contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.altus-section-cta-contact-label {
  margin: 0;
  font-size: 12px;
  font-weight: var(--altus-w-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--altus-fg2);
}

.altus-section-cta-contact-value {
  margin: 0;
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: var(--altus-w-light);
  line-height: 1.5;
  color: var(--altus-fg1);
}
.altus-section-cta-contact-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--altus-sep);
  transition: border-color 200ms var(--altus-ease), opacity 200ms var(--altus-ease);
}
.altus-section-cta-contact-value a:hover {
  border-bottom-color: currentColor;
}

/* ─── Inverse ──────────────────────────────────────────────── */
.altus-section-cta.altus-section-inverse {
  background: var(--altus-bg-inverse);
  color: var(--altus-fg1-inverse);
}
.altus-section-cta.altus-section-inverse .altus-section-cta-title         { color: var(--altus-fg1-inverse); }
.altus-section-cta.altus-section-inverse .altus-section-cta-lede          { color: var(--altus-fg2-inverse); }
.altus-section-cta.altus-section-inverse .altus-section-cta-contact       { border-top-color: rgba(20, 17, 13, 0.16); }
.altus-section-cta.altus-section-inverse .altus-section-cta-contact-label { color: var(--altus-fg2-inverse); }
.altus-section-cta.altus-section-inverse .altus-section-cta-contact-value { color: var(--altus-fg1-inverse); }
.altus-section-cta.altus-section-inverse .altus-section-cta-contact-value a {
  border-bottom-color: rgba(20, 17, 13, 0.16);
}

/* CTA primaire en variante inverse — duplique l'override hero. */
.altus-section-cta.altus-section-inverse .altus-btn-primary {
  background: var(--altus-fg1-inverse);
  color: var(--altus-bg-inverse);
}
.altus-section-cta.altus-section-inverse .altus-btn-primary:hover {
  background: var(--altus-accent);
  color: var(--altus-fg1-inverse);
}

/* ─── Broll ────────────────────────────────────────────────── */
.altus-section-cta[data-altus-broll] {
  background-image: var(--altus-broll);
  background-size: cover;
  background-position: center;
}
.altus-section-cta[data-altus-broll]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 13, 0.72);
  z-index: 0;
}
.altus-section-cta.altus-section-inverse[data-altus-broll]::before {
  background: rgba(235, 229, 218, 0.88);
}
.altus-section-cta[data-altus-broll]::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='320' height='320'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='5' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.7 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.22;
  mix-blend-mode: overlay;
  z-index: 1;
  pointer-events: none;
}

/* ─── Animation d'entrée ───────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .altus-section-cta-eyebrow,
  .altus-section-cta-title,
  .altus-section-cta-lede,
  .altus-section-cta-action,
  .altus-section-cta-contact {
    opacity: 0;
    animation: altus-cta-fade-in 600ms var(--altus-ease) both;
  }
  .altus-section-cta-eyebrow { animation-delay: 0ms; }
  .altus-section-cta-title   { animation-delay: 80ms; }
  .altus-section-cta-lede    { animation-delay: 160ms; }
  .altus-section-cta-action  { animation-delay: 240ms; }
  .altus-section-cta-contact { animation-delay: 320ms; }
}
@keyframes altus-cta-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .altus-section-cta-contact {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}
@media (max-width: 640px) {
  .altus-section-cta {
    padding-block: clamp(80px, 14vh, 140px);
    padding-inline: 22px;
  }
  .altus-section-cta:first-child { padding-top: 20vh; }
  .altus-section-cta-action {
    width: 100%;
    text-align: center;
    padding: 18px 24px;
  }
  .altus-section-cta-contact {
    margin-top: 64px;
  }
}