/* site/css/pages/etude.css — Étude de Faisabilité Signature
   Porté du handoff Claude Design, adapté à la DA du site (em or gras non-italique). */

:root { --border-on-dark-soft: rgba(199,154,66,0.18); }

/* ---------- HERO (DA accueil) ---------- */
.etude-hero {
  position: relative; min-height: 90vh; min-height: 90svh;
  display: flex; align-items: center;
  padding: 160px 0 90px; overflow: hidden;
}
.etude-hero__bg { position: absolute; inset: 0; z-index: 0; }
.etude-hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.etude-hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(11,22,48,0.97) 0%, rgba(11,22,48,0.88) 36%, rgba(11,22,48,0.45) 68%, rgba(11,22,48,0.15) 100%),
    linear-gradient(180deg, rgba(11,22,48,0.5) 0%, rgba(11,22,48,0.15) 40%, rgba(11,22,48,0.88) 100%);
}
.etude-hero .container { position: relative; z-index: 2; }
.etude-hero__content { max-width: 1120px; }
.etude-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 14px; margin-bottom: 26px;
  color: var(--dsp-gold); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 500;
}
.etude-hero .eyebrow .bar { width: 36px; height: 1px; background: var(--dsp-gold); }
.etude-hero h1 {
  font-weight: 300; font-size: clamp(1.5rem, 3vw, 2.6rem);
  line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 24px;
  color: var(--fg-on-dark); white-space: nowrap;
}
.etude-hero h1 em { color: var(--dsp-gold); font-style: normal; font-weight: 600; }
.etude-hero .lead {
  font-size: 17px; line-height: 1.7; color: var(--fg-on-dark-muted);
  max-width: 560px; margin: 0 0 38px; font-weight: 300; text-wrap: pretty;
}
.etude-hero .lead strong { color: var(--dsp-gold); font-weight: 600; }
.etude-hero .actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 44px; }
.etude-hero__features {
  display: flex; flex-wrap: wrap; gap: 28px 40px;
  padding-top: 28px; border-top: 1px solid var(--dsp-gold-line); max-width: 760px;
}
.etude-hero__feature { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; width: 96px; }
.etude-hero__feature i, .etude-hero__feature svg { color: var(--dsp-gold); width: 24px; height: 24px; }
.etude-hero__feature span {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-on-dark-muted); line-height: 1.4; font-weight: 500;
}
@media (max-width: 1180px) { .etude-hero h1 { white-space: normal; font-size: clamp(1.8rem, 5vw, 2.6rem); } }
@media (max-width: 600px) { .etude-hero__features { gap: 22px 24px; } .etude-hero__feature { width: 84px; } }

/* ---------- SECTIONS ---------- */
.etude-section { padding: clamp(96px, 13vw, 168px) 0; position: relative; }
.etude-section.dark { background: var(--dsp-navy); }
.etude-section.steel { background: var(--dsp-night-soft); }

.etude-section__head { text-align: center; max-width: 820px; margin: 0 auto 64px; }
.etude-section__head .num { display: inline-block; margin-bottom: 16px; font-style: normal; color: var(--dsp-gold); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; font-weight: 500; }
.etude-section__head .num em { font-style: normal; color: var(--dsp-gold); font-weight: 600; }
.etude-section__head h2 { font-weight: 300; font-size: clamp(1.9rem, 3.6vw, 2.8rem); line-height: 1.08; letter-spacing: -0.012em; margin: 0; text-wrap: balance; color: var(--fg-on-dark); }
.etude-section__head .right-eb { display: block; margin-top: 14px; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }

/* ---------- POURQUOI — 3 colonnes ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 880px) { .why-grid { grid-template-columns: 1fr; } }
.why-cell { background: var(--bg-elevated); border: 1px solid var(--border-on-dark); padding: var(--space-7) var(--space-6); display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-3); transition: border-color var(--dur-base) var(--ease-out); }
.why-cell:hover { border-color: rgba(199,154,66,0.6); }
.why-cell .num { font-style: normal; color: var(--dsp-gold); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500; }
.why-cell h3 { font-weight: 400; font-size: 22px; margin: 0; line-height: 1.2; letter-spacing: -0.005em; color: var(--fg-on-dark); }
.why-cell p { font-size: 14px; line-height: 1.7; color: var(--fg-on-dark-muted); margin: 0; flex: 1; font-weight: 300; }
.why-cell .micro { margin-top: 4px; padding-top: 16px; border-top: 1px solid var(--border-on-dark-soft); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; }

/* ---------- LIVRABLES — 6 cartes ---------- */
.deliverables { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 1080px) { .deliverables { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .deliverables { grid-template-columns: 1fr; } }
.deliverable { background: var(--bg-elevated); border: 1px solid var(--border-on-dark); padding: var(--space-7) var(--space-6); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; transition: border-color var(--dur-base) var(--ease-out); }
.deliverable:hover { border-color: rgba(199,154,66,0.6); }
.deliverable .num { font-style: normal; color: var(--dsp-gold); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500; }
.deliverable .glyph { width: 48px; height: 48px; border: 1px solid var(--dsp-gold-line); display: grid; place-items: center; margin-bottom: 4px; }
.deliverable .glyph svg { width: 22px; height: 22px; stroke: var(--dsp-gold); fill: none; stroke-width: 1.4; }
.deliverable h3 { font-weight: 500; font-size: 19px; margin: 0; line-height: 1.25; letter-spacing: -0.005em; color: var(--fg-on-dark); }
.deliverable p { font-size: 13px; line-height: 1.7; color: var(--fg-on-dark-muted); margin: 0; flex: 1; font-weight: 300; }
.deliverable .tag { display: inline-block; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; padding: 6px 10px; border: 1px solid var(--dsp-gold-line); align-self: center; margin-top: 4px; }

/* ---------- MÉTHODE — timeline 5 temps ---------- */
.method { position: relative; }
.method .rail { display: none; }
.method .grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-4); }
@media (max-width: 880px) { .method .grid { grid-template-columns: 1fr; } }
@media (max-width: 1080px) and (min-width: 881px) { .method .grid { grid-template-columns: repeat(3, 1fr); } }
.method .step { background: var(--bg-elevated); border: 1px solid var(--border-on-dark); padding: var(--space-6) var(--space-5); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; transition: border-color var(--dur-base) var(--ease-out); }
.method .step:hover { border-color: rgba(199,154,66,0.6); }
.method .step .marker { display: none; }
.method .step .num { font-style: normal; color: var(--dsp-gold); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500; }
.method .step h4 { font-weight: 400; font-size: 18px; margin: 0; line-height: 1.25; letter-spacing: -0.005em; color: var(--fg-on-dark); }
.method .step p { font-size: 13px; line-height: 1.7; color: var(--fg-on-dark-muted); margin: 0; font-weight: 300; flex: 1; }
.method .step .meta { margin-top: 6px; padding-top: 12px; border-top: 1px solid var(--border-on-dark-soft); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; width: 100%; }

/* ---------- INVESTISSEMENT — pricing + garanties ---------- */
.invest-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: stretch; }
@media (max-width: 980px) { .invest-grid { grid-template-columns: 1fr; gap: 40px; } }
.pricing-card { background: var(--dsp-steel); border: 1px solid var(--dsp-gold); padding: clamp(40px, 5vw, 56px); position: relative; display: flex; flex-direction: column; }
.pricing-card::before, .pricing-card::after, .pricing-card .c-bl, .pricing-card .c-br { content: ""; position: absolute; width: 28px; height: 28px; border: 1px solid var(--dsp-gold); }
.pricing-card::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.pricing-card::after { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.pricing-card .c-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.pricing-card .c-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.pricing-card .eyebrow { display: inline-block; margin-bottom: 12px; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; }
.pricing-card h3 { font-weight: 300; font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.01em; color: var(--fg-on-dark); }
.pricing-card .price-row { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 22px 0; margin: 8px 0 18px; border-top: 1px solid var(--border-on-dark-soft); border-bottom: 1px solid var(--border-on-dark-soft); }
.pricing-card .price { font-weight: 400; font-size: 52px; color: var(--dsp-gold); line-height: 1; letter-spacing: -0.01em; }
.pricing-card .price-pre { color: var(--fg-on-dark); font-weight: 500; text-transform: uppercase; letter-spacing: 0.18em; font-size: 11px; }
.pricing-card .price-old { color: var(--fg-on-dark-muted); text-decoration: line-through; font-size: 22px; font-weight: 300; }
.pricing-card .price-post { color: var(--fg-on-dark-muted); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.pricing-card .promo-badge { position: absolute; top: -14px; left: clamp(40px, 5vw, 56px); background: var(--dsp-gold); color: var(--dsp-navy); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; padding: 7px 16px; }
.pricing-card .promo-note { display: block; background: var(--dsp-gold-12); border: 1px solid var(--dsp-gold-line); border-left: 3px solid var(--dsp-gold); border-radius: 8px; padding: 13px 16px; margin: 0 0 22px; color: var(--fg-on-dark); font-style: normal; font-size: 13.5px; line-height: 1.5; }
.pricing-card .promo-note__eb { display: block; color: var(--dsp-gold); font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; margin-bottom: 4px; }
.pricing-card .promo-note strong { color: var(--dsp-gold); font-weight: 700; }
.pricing-card .micro { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; margin-bottom: 14px; }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 28px; }
.pricing-card li { padding: 12px 0; border-bottom: 1px solid var(--border-on-dark-soft); font-size: 14px; color: var(--fg-on-dark); display: grid; grid-template-columns: 12px 1fr; gap: 12px; align-items: baseline; font-weight: 300; }
.pricing-card li::before { content: "·"; color: var(--dsp-gold); font-size: 22px; line-height: 1; }
.pricing-card li:last-child { border-bottom: none; }
.pricing-card li strong { color: var(--fg-on-dark); font-weight: 500; }
.pricing-card .footnote { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--border-on-dark-soft); font-size: 12px; line-height: 1.65; color: var(--fg-on-dark-muted); font-style: italic; font-weight: 300; }
.pricing-card .footnote strong { color: var(--dsp-gold); font-style: normal; font-weight: 500; }

.guarantees { display: flex; flex-direction: column; gap: 24px; }
.guarantees .gear-head { margin-bottom: 6px; }
.guarantees .gear-head .eb { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; margin-bottom: 14px; display: block; }
.guarantees .gear-head h3 { font-weight: 300; font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.15; margin: 0; letter-spacing: -0.005em; color: var(--fg-on-dark); }
.guarantee { display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: flex-start; padding: 22px; border: 1px solid var(--dsp-gold-line); background: rgba(11,22,48,0.4); transition: background var(--dur-base) var(--ease-out); }
.guarantee:hover { background: rgba(22,35,63,0.6); }
.guarantee .glyph { width: 56px; height: 56px; border: 1px solid var(--dsp-gold-line); display: grid; place-items: center; }
.guarantee .glyph svg { width: 26px; height: 26px; stroke: var(--dsp-gold); fill: none; stroke-width: 1.4; }
.guarantee .copy h4 { font-weight: 500; font-size: 15px; margin: 0 0 6px; color: var(--fg-on-dark); letter-spacing: -0.005em; }
.guarantee .copy p { font-size: 13px; line-height: 1.6; color: var(--fg-on-dark-muted); margin: 0; font-weight: 300; }

/* ---------- CLOSING CTA ---------- */
.cta-closing-wrap { padding: clamp(96px, 13vw, 168px) 0; background: var(--dsp-navy); }
.cta-closing { text-align: center; padding: clamp(80px, 11vw, 140px) clamp(24px, 6vw, 96px); background: linear-gradient(180deg, var(--dsp-navy) 0%, var(--dsp-night-soft) 100%); border: 1px solid var(--dsp-gold-line); position: relative; }
.cta-closing::before, .cta-closing::after, .cta-closing .cc-bl, .cta-closing .cc-br { content: ""; position: absolute; width: 28px; height: 28px; border: 1px solid var(--dsp-gold); }
.cta-closing::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.cta-closing::after { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.cta-closing .cc-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.cta-closing .cc-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.cta-closing .eyebrow { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 22px; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dsp-gold); font-weight: 500; }
.cta-closing .eyebrow .bar { width: 36px; height: 1px; background: var(--dsp-gold); }
.cta-closing h2 { font-weight: 300; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.06; letter-spacing: -0.015em; margin: 0 auto 22px; max-width: 20ch; text-wrap: balance; color: var(--fg-on-dark); }
.cta-closing p { font-size: 16px; color: var(--fg-on-dark-muted); max-width: 54ch; margin: 0 auto 40px; line-height: 1.7; font-weight: 300; }
.cta-closing .actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.cta-closing .contact-row { display: flex; justify-content: center; gap: 36px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--dsp-gold-line); max-width: 600px; margin: 0 auto; }
.cta-closing .contact-row .item { display: flex; flex-direction: column; gap: 4px; text-align: center; }
.cta-closing .contact-row .item .k { font-size: 10px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--fg-on-dark-muted); font-weight: 500; }
.cta-closing .contact-row .item .v { color: var(--dsp-gold); font-size: 15px; font-weight: 400; }

/* ---------- DA site : em or gras non-italique ---------- */
.etude-hero h1.display em,
.etude-section__head h2 em,
.why-cell h3 em,
.deliverable h3 em,
.pricing-card h3 em,
.guarantees .gear-head h3 em,
.cta-closing h2 em {
  color: var(--dsp-gold); font-style: normal; font-weight: 600;
}

/* === Relief au survol — cartes étude === */
.pricing-card, .step, .item { transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.pricing-card:hover, .step:hover, .item:hover { transform: translateY(-5px); box-shadow: 0 14px 32px rgba(0,0,0,0.42); }

/* === Angles arrondis === */
.pricing-card, .step, .item { border-radius: 14px; }

/* === DA alignment — toutes les cartes étude (arrondi + relief survol + sans césure) === */
.why-cell, .deliverable, .guarantee {
  border-radius: 14px;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.why-cell:hover, .deliverable:hover, .guarantee:hover {
  transform: translateY(-5px); box-shadow: 0 14px 32px rgba(0,0,0,0.42);
}
.why-cell p, .deliverable p, .method .step p, .guarantee .copy p,
.pricing-card li, .cta-closing p {
  -webkit-hyphens: none; hyphens: none;
}
/* Closing CTA — paragraphe justifié proprement */
.cta-closing p { text-align: justify; text-align-last: center; }
/* Closing CTA — titre sur 2 lignes max */
.cta-closing h2 { max-width: 26ch; }

/* === Suppression des numéros de section (Nº I/II/III/IV) === */
.etude-section__head .num { display: none; }

/* === Suppression des numéros de carte (01 — Vision, 01, 02…) === */
.why-cell .num, .deliverable .num { display: none; }

/* === Méthode — numéros intégrés dans une icône arrondie (DA) === */
.method .step .num {
  display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 16px;
  background: linear-gradient(160deg, var(--dsp-steel), var(--dsp-navy));
  border: 1px solid var(--dsp-gold-line);
  box-shadow: 0 10px 24px rgba(0,0,0,0.42), inset 0 1px 0 rgba(248,246,241,0.05);
  color: var(--dsp-gold); font-size: 1.4rem; font-weight: 300; font-style: normal;
  letter-spacing: 0.04em; text-transform: none;
  margin: 0 auto var(--space-4);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.method .step:hover .num {
  border-color: var(--dsp-gold-hover);
  box-shadow: 0 14px 30px rgba(0,0,0,0.5), inset 0 1px 0 rgba(248,246,241,0.08);
}

/* === Textes des blocs en blanc === */
.why-cell p, .deliverable p, .method .step p, .guarantee .copy p { color: #fff; }

/* === Icônes premium des blocs (plaque "lit" + ombre + Lucide or) === */
.deliverable .glyph, .guarantee .glyph {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(160deg, var(--dsp-steel), var(--dsp-navy));
  border: 1px solid var(--dsp-gold-line);
  box-shadow: 0 10px 24px rgba(0,0,0,0.42), inset 0 1px 0 rgba(248,246,241,0.05);
  display: grid; place-items: center; margin-bottom: var(--space-4);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.deliverable:hover .glyph, .guarantee:hover .glyph {
  border-color: var(--dsp-gold-hover);
  box-shadow: 0 14px 30px rgba(0,0,0,0.5), inset 0 1px 0 rgba(248,246,241,0.08);
}
.deliverable .glyph i, .deliverable .glyph svg,
.guarantee .glyph i, .guarantee .glyph svg {
  width: 28px; height: 28px; color: var(--dsp-gold); stroke: var(--dsp-gold); fill: none; stroke-width: 1.5;
}
/* Suppression du bloc bas (tag / meta) */
.deliverable .tag, .method .step .meta { display: none; }
/* Lignes dorées du bas (Pourquoi) — épinglées en bas, alignées + équidistantes */
.why-cell { justify-content: flex-start; }
.why-cell p { flex: 1 0 auto; }
.why-cell .micro { margin-top: auto; width: 100%; min-height: 49px; display: flex; align-items: flex-end; justify-content: center; }

/* === Bandeau offre promo — plus grand, arrondi, ombre + brillance commerciale === */
.pricing-card .promo-badge {
  top: -22px; left: 50%; transform: translateX(-50%);
  padding: 13px 28px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.12em;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--dsp-gold-hover), var(--dsp-gold));
  box-shadow: 0 10px 26px rgba(199,154,66,0.45), 0 0 0 1px rgba(216,181,106,0.55), inset 0 1px 0 rgba(255,255,255,0.35);
  overflow: hidden; white-space: nowrap;
  animation: promoPulse 2.8s var(--ease-in-out) infinite;
}
.pricing-card .promo-badge::after {
  content: ""; position: absolute; top: 0; left: -70%;
  width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.6) 50%, transparent 100%);
  transform: skewX(-22deg);
  animation: promoShine 3.4s var(--ease-in-out) infinite;
}
@keyframes promoShine { 0% { left: -70%; } 55%, 100% { left: 150%; } }
@keyframes promoPulse {
  0%, 100% { box-shadow: 0 8px 20px rgba(199,154,66,0.32), 0 0 0 1px rgba(216,181,106,0.5), inset 0 1px 0 rgba(255,255,255,0.35); }
  50% { box-shadow: 0 12px 32px rgba(199,154,66,0.6), 0 0 0 1px rgba(216,181,106,0.7), inset 0 1px 0 rgba(255,255,255,0.4); }
}
@media (prefers-reduced-motion: reduce) {
  .pricing-card .promo-badge, .pricing-card .promo-badge::after { animation: none; }
}

/* === CTA flottant offre — fixe pendant le scroll + même effet commercial === */
.etude-floatcta {
  position: fixed; right: var(--space-7); bottom: max(var(--space-7), calc(env(safe-area-inset-bottom) + 16px)); z-index: 950;
  display: inline-flex; align-items: center;
  padding: 15px 30px; border-radius: var(--radius-pill);
  color: var(--dsp-navy); font-weight: 700; font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase; white-space: nowrap;
  background: linear-gradient(135deg, var(--dsp-gold-hover), var(--dsp-gold));
  box-shadow: 0 12px 30px rgba(199,154,66,0.45), 0 0 0 1px rgba(216,181,106,0.55), inset 0 1px 0 rgba(255,255,255,0.35);
  overflow: hidden;
  animation: promoPulse 2.8s var(--ease-in-out) infinite;
  transition: transform var(--dur-fast) var(--ease-out);
}
.etude-floatcta:hover { color: var(--dsp-navy); transform: translateY(-2px); }
.etude-floatcta:active { transform: translateY(0); }
.etude-floatcta::after {
  content: ""; position: absolute; top: 0; left: -70%;
  width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.6) 50%, transparent 100%);
  transform: skewX(-22deg);
  animation: promoShine 3.4s var(--ease-in-out) infinite;
}
@media (max-width: 600px) {
  .etude-floatcta { right: 50%; transform: translateX(50%); left: auto; bottom: max(var(--space-5), calc(env(safe-area-inset-bottom) + 12px)); padding: 13px 24px; font-size: 12px; }
  .etude-floatcta:hover { transform: translateX(50%) translateY(-2px); }
}
@media (prefers-reduced-motion: reduce) {
  .etude-floatcta, .etude-floatcta::after { animation: none; }
}

/* ===== Responsive mobile — héros étude + cartes + ancres ===== */
.etude-section, .cta-closing-wrap { scroll-margin-top: calc(var(--header-h, 112px) + 16px); }
@media (max-width: 600px) {
  .page-hero--full .phc__tagline span { white-space: normal !important; }
  .page-hero--full .phc__tagline { font-size: clamp(1.25rem, 6vw, 1.6rem); }
  .pricing-card .promo-badge { white-space: normal; text-align: center; max-width: 92%; font-size: 11px; padding: 9px 16px; line-height: 1.3; }
  .dsp-footer { padding-bottom: calc(var(--space-6) + 64px); }
}
@media (max-width: 480px) {
  .pricing-card .price { font-size: 44px; }
  .pricing-card .price-old { font-size: 18px; }
}