/* ============================================================
   Altus Conseil — design-system/sections/pricing.css
   ------------------------------------------------------------
   Section tarifs — 2 (parfois 3) formules / offres.

   Class names — CONTRAT FIGÉ (consommé par Claude.ai) :
     .altus-section-pricing
       .altus-section-pricing-content
         .altus-section-pricing-header
           .altus-section-pricing-eyebrow
           .altus-section-pricing-title
           .altus-section-pricing-lede
         .altus-section-pricing-grid
           .altus-section-pricing-card
             .altus-section-pricing-card-eyebrow
             .altus-section-pricing-card-title
             .altus-section-pricing-card-baseline
             .altus-section-pricing-card-price-block
               .altus-section-pricing-card-price
                 .altus-section-pricing-card-price-figure
                 .altus-section-pricing-card-price-per
               .altus-section-pricing-card-price-sub
             .altus-section-pricing-card-features (ul > li)
             .altus-section-pricing-card-cta       (sur .altus-btn)
           .altus-section-pricing-card.altus-section-pricing-card-featured
             .altus-section-pricing-card-badge

   Variantes — A / B / C-flat / C, identiques au reste du système.
   La card phare contraste avec le fond de section.
   Le badge "Formule phare" est le seul bronze toléré.

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

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

.altus-section-pricing {
  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(96px, 14vh, 180px);
  padding-inline: 9vw;
}

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

.altus-section-pricing-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: clamp(64px, 8vh, 96px);
}

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

.altus-section-pricing-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 38ch;
}

.altus-section-pricing-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-pricing-title {
  margin: 0;
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: var(--altus-w-light);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--altus-fg1);
  text-wrap: balance;
}

.altus-section-pricing-lede {
  margin: 0;
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: var(--altus-w-light);
  line-height: 1.5;
  color: var(--altus-fg2);
  max-width: 60ch;
  text-wrap: pretty;
}

/* ─── Grille des cards ─────────────────────────────────────── */

.altus-section-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;                            /* hairline entre cards via background */
  background: var(--altus-sep);
}
.altus-section-pricing-grid:has(> :nth-child(3)) {
  grid-template-columns: repeat(3, 1fr);
}

/* ─── Card ─────────────────────────────────────────────────── */

.altus-section-pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(32px, 3vw, 48px);
  background: var(--altus-bg);
  color: var(--altus-fg1);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card {
  background: var(--altus-bg-inverse);
  color: var(--altus-fg1-inverse);
}

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

.altus-section-pricing-card-title {
  margin: 16px 0 0;
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: var(--altus-w-medium);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: inherit;
}

.altus-section-pricing-card-baseline {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.1vw, 17px);
  font-weight: var(--altus-w-light);
  line-height: 1.45;
  color: var(--altus-fg2);
  max-width: 32ch;
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-baseline {
  color: var(--altus-fg2-inverse);
}

/* ─── Prix — block (price-line + sub) ──────────────────────── */

.altus-section-pricing-card-price-block {
  margin: 40px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.altus-section-pricing-card-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-variant-numeric: tabular-nums;
  margin: 0;
}
.altus-section-pricing-card-price-figure {
  font-size: clamp(40px, 4vw, 56px);
  font-weight: var(--altus-w-light);
  line-height: 1;
  letter-spacing: -0.03em;
  color: inherit;
}
.altus-section-pricing-card-price-per {
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: var(--altus-w-light);
  color: var(--altus-fg2);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-price-per {
  color: var(--altus-fg2-inverse);
}

.altus-section-pricing-card-price-sub {
  margin: 0;
  font-size: 13px;
  font-weight: var(--altus-w-light);
  letter-spacing: 0;
  color: var(--altus-fg2);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-price-sub {
  color: var(--altus-fg2-inverse);
}

/* ─── Features list ────────────────────────────────────────── */

.altus-section-pricing-card-features {
  margin: 32px 0 0;
  padding: 32px 0 0;
  list-style: none;
  border-top: 1px solid var(--altus-sep);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-features {
  border-top-color: rgba(20, 17, 13, 0.12);
}

.altus-section-pricing-card-features li {
  position: relative;
  padding-left: 24px;
  font-size: clamp(14px, 1vw, 15px);
  font-weight: var(--altus-w-light);
  line-height: 1.55;
  color: var(--altus-fg2);
  text-wrap: pretty;
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-features li {
  color: var(--altus-fg2-inverse);
}

/* Bullet — hairline horizontale courte. */
.altus-section-pricing-card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 12px;
  height: 1px;
  background: var(--altus-fg2);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-features li::before {
  background: var(--altus-fg2-inverse);
}

.altus-section-pricing-card-features li strong {
  display: block;
  font-weight: var(--altus-w-medium);
  color: var(--altus-fg1);
  margin-bottom: 2px;
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-features li strong {
  color: var(--altus-fg1-inverse);
}

/* ─── CTA en pied de card (taille réduite) ─────────────────── */
/* Surcharge le .altus-btn par défaut pour rentrer visuellement
   dans la card : font-size 14px, padding compact 12px 24px.
   Se combine avec .altus-btn.altus-btn-primary OU .altus-btn-secondary.
*/
.altus-section-pricing-card-cta {
  margin-top: auto;        /* pousse le CTA en bas même si le contenu varie */
  padding-top: 0;
  align-self: flex-start;
}
/* Respiration au-dessus du CTA — composée avec margin-top:auto. */
.altus-section-pricing-card-features + .altus-section-pricing-card-cta,
.altus-section-pricing-card .altus-section-pricing-card-cta {
  margin-top: 40px;
}
/* L'override de taille — combiné avec .altus-btn. */
.altus-btn.altus-section-pricing-card-cta {
  font-size: 14px;
  padding: 12px 24px;
}
.altus-section-pricing-card-cta svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 200ms var(--altus-ease);
}
.altus-section-pricing-card-cta:hover svg,
.altus-section-pricing-card-cta:focus-visible svg {
  transform: translateX(4px);
}

/* ────────────────────────────────────────────────────────────
   Card "phare" — contraste inversé.
   ──────────────────────────────────────────────────────────── */
.altus-section-pricing .altus-section-pricing-card-featured {
  background: var(--altus-bg-inverse);
  color: var(--altus-fg1-inverse);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-eyebrow,
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-baseline,
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-price-per,
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-price-sub,
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-features li {
  color: var(--altus-fg2-inverse);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-features {
  border-top-color: rgba(20, 17, 13, 0.12);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-features li::before {
  background: var(--altus-fg2-inverse);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-section-pricing-card-features li strong {
  color: var(--altus-fg1-inverse);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-btn-primary {
  background: var(--altus-fg1-inverse);
  color: var(--altus-bg-inverse);
}
.altus-section-pricing .altus-section-pricing-card-featured .altus-btn-primary:hover {
  background: var(--altus-accent);
  color: var(--altus-fg1-inverse);
}

/* Inverse : la card phare devient charbon sur ivoire. */
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured {
  background: var(--altus-bg);
  color: var(--altus-fg1);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-eyebrow,
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-baseline,
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-price-per,
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-price-sub,
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-features li {
  color: var(--altus-fg2);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-features {
  border-top-color: var(--altus-sep);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-features li::before {
  background: var(--altus-fg2);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-section-pricing-card-features li strong {
  color: var(--altus-fg1);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-btn-primary {
  background: var(--altus-fg1);
  color: var(--altus-bg);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-card-featured .altus-btn-primary:hover {
  background: var(--altus-accent);
  color: var(--altus-fg1-inverse);
}

/* ─── Badge "Formule phare" — pill bronze, top-right ───────── */
/* Spec : 11px, uppercase, letter-spacing 0.18em, color --altus-accent,
   padding 4px 12px, border 1px solid --altus-accent, top-right de la card.
   Seul bronze de la section (au-delà de l'eyebrow). */
.altus-section-pricing-card-badge {
  position: absolute;
  top: clamp(20px, 2vw, 28px);
  right: clamp(20px, 2vw, 28px);
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--altus-accent);
  font-size: 11px;
  font-weight: var(--altus-w-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--altus-accent);
  background: transparent;
}

/* ────────────────────────────────────────────────────────────
   Variante inverse — fond ivoire (C-flat / C)
   ──────────────────────────────────────────────────────────── */
.altus-section-pricing.altus-section-inverse {
  background: var(--altus-bg-inverse);
  color: var(--altus-fg1-inverse);
}
.altus-section-pricing.altus-section-inverse .altus-section-pricing-title { color: var(--altus-fg1-inverse); }
.altus-section-pricing.altus-section-inverse .altus-section-pricing-lede  { color: var(--altus-fg2-inverse); }
.altus-section-pricing.altus-section-inverse .altus-section-pricing-grid  { background: rgba(20, 17, 13, 0.12); }

.altus-section-pricing.altus-section-inverse .altus-btn-primary {
  background: var(--altus-fg1-inverse);
  color: var(--altus-bg-inverse);
}
.altus-section-pricing.altus-section-inverse .altus-btn-primary:hover {
  background: var(--altus-accent);
  color: var(--altus-fg1-inverse);
}

/* ────────────────────────────────────────────────────────────
   Variante broll — fond image + voile B/C + noise
   ──────────────────────────────────────────────────────────── */
.altus-section-pricing[data-altus-broll] {
  background-image: var(--altus-broll);
  background-size: cover;
  background-position: center;
}
.altus-section-pricing[data-altus-broll]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 13, 0.72);
  z-index: 0;
}
.altus-section-pricing.altus-section-inverse[data-altus-broll]::before {
  background: rgba(235, 229, 218, 0.88);
}
.altus-section-pricing[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-pricing-header,
  .altus-section-pricing-card {
    opacity: 0;
    animation: altus-pricing-fade-in 600ms var(--altus-ease) both;
  }
  .altus-section-pricing-header { animation-delay: 0ms; }
  .altus-section-pricing-card:nth-child(1) { animation-delay: 120ms; }
  .altus-section-pricing-card:nth-child(2) { animation-delay: 200ms; }
  .altus-section-pricing-card:nth-child(3) { animation-delay: 280ms; }
}
@keyframes altus-pricing-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .altus-section-pricing-grid,
  .altus-section-pricing-grid:has(> :nth-child(3)) {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .altus-section-pricing {
    padding-block: clamp(72px, 12vh, 120px);
    padding-inline: 22px;
  }
  .altus-section-pricing:first-child { padding-top: 20vh; }
  .altus-section-pricing-content { gap: 48px; }
  .altus-section-pricing-card { padding: 32px 28px; }
  .altus-section-pricing-card-badge {
    top: 20px;
    right: 20px;
  }
}