/* insinio — refonte vitrine, version « douce et vivante »
   Couleurs et polices : charte insinio (tokens.css), identiques à vitrine.insinio.fr.
   Style : tons chauds et clairs, titres en minuscules, formes organiques animées,
   cartes qui s'empilent au défilement, micro-interactions au survol.
   Toutes les animations s'arrêtent si le visiteur a demandé moins de mouvement. */

@font-face { font-family: "Bricolage Grotesque"; src: url("fonts/bricolage-grotesque-variable.ttf") format("truetype"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/manrope-variable.ttf") format("truetype"); font-weight: 200 800; font-display: swap; }

:root {
  --wrap: 1280px;
  --pad: clamp(16px, 3vw, 32px);
  --sec: clamp(88px, 11vw, 148px);
  --r-md: 18px;
  --r-lg: 28px;
  --r-xl: 40px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --header-h: 76px;

  /* Couleurs d'usage : uniquement la palette insinio */
  --page: color-mix(in srgb, var(--sand) 30%, var(--white));
  --fg: var(--navy-deep);
  --fg-body: var(--grey-700);
  --fg-muted: var(--grey-600);

  --card-bg: var(--white);
  --card-fg: var(--navy-deep);
  --card-muted: var(--grey-600);
  --card-shadow: 0 1px 2px rgba(8, 14, 51, .04), 0 18px 40px -24px rgba(8, 14, 51, .22);

  --dark-bg: var(--navy-deep);
  --dark-fg: var(--white);
  --dark-muted: var(--navy-200);
  --dark-row: rgba(255, 255, 255, .07);
  --dark-border: rgba(255, 255, 255, .14);

  --hero-fg: var(--navy-deep);
  --hero-muted: var(--grey-600);
  --hero-border: rgba(22, 35, 114, .12);

  --field-bg: var(--white);
  --field-border: var(--grey-300);
  --error: var(--status-danger);
  --chip-bg: rgba(255, 255, 255, .08);

  --morph-a: 42% 58% 63% 37% / 41% 44% 56% 59%;
  --morph-b: 63% 37% 40% 60% / 55% 62% 38% 45%;
  --morph-c: 38% 62% 55% 45% / 62% 38% 62% 38%;
}

/* ───────── Base ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 32px); -webkit-text-size-adjust: 100%; }
@supports (interpolate-size: allow-keywords) { :root { interpolate-size: allow-keywords; } }
body {
  margin: 0; overflow-x: clip;
  background: var(--page); color: var(--fg-body);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
::selection { background: var(--lime-wave); color: var(--navy-deep); }
:focus-visible { outline: 3px solid var(--navy-400); outline-offset: 3px; border-radius: 8px; }
.i { width: 1.1em; height: 1.1em; flex: none; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 999px; background: var(--lime-wave); color: var(--navy-deep); font-weight: 700; }
.skip-link:focus { top: 12px; }
.wrap { width: min(var(--wrap), calc(100% - 2 * var(--pad))); margin-inline: auto; }
main, .site-footer { position: relative; z-index: 1; }

/* Barre de progression de lecture */
.scroll-progress {
  position: fixed; inset: 0 0 auto; z-index: 70; height: 3px; pointer-events: none;
  background: var(--gradient-flow);
  transform: scaleX(var(--p, 0)); transform-origin: left;
}

/* ───────── Typographie ───────── */
.display, .title, .pillar h3, .step h3, .verb strong, .cap-card h3, .faq-list summary, .form-heading {
  font-family: var(--font-display); letter-spacing: -.035em; color: var(--fg); text-wrap: balance;
}
.display { font-weight: 700; font-size: clamp(46px, 6.6vw, 98px); line-height: .98; }
.title   { font-weight: 700; font-size: clamp(34px, 4.4vw, 62px); line-height: 1.02; }
mark {
  color: inherit; padding: 0 .06em; margin: 0 -.03em;
  background: linear-gradient(var(--lime-wave), var(--lime-wave)) 0 88% / 100% 40% no-repeat;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  transition: background-size 1s var(--ease) .35s;
}
.reveal-ready [data-reveal]:not(.is-in) mark, .reveal-ready [data-split]:not(.is-split) mark { background-size: 0% 40%; }
.reveal-ready [data-split].is-split mark { transition-delay: .9s; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; width: fit-content;
  padding: 8px 16px 8px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .7); border: 1px solid var(--hero-border);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font: 600 14px/1.2 var(--font-body); color: var(--navy-deep);
}
.pulse { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--lime-600); }
.pulse::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--lime-wave); animation: ping 2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .9; } 80%, 100% { transform: scale(3); opacity: 0; } }
.intro, .section-head p { font-size: 18px; line-height: 1.65; color: var(--fg-body); }

/* Titre révélé mot à mot */
[data-split] .w { display: inline-block; }
.reveal-ready [data-split] .w { opacity: 0; transform: translateY(.45em) rotate(4deg); filter: blur(8px); transform-origin: left bottom; }
.reveal-ready [data-split].is-split .w { animation: word-in .9s var(--ease) forwards; animation-delay: calc(var(--i) * 75ms + 120ms); }
@keyframes word-in { to { opacity: 1; transform: none; filter: blur(0); } }

/* ───────── Boutons ───────── */
.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 56px; padding: 0 10px 0 26px;
  border: 1.5px solid transparent; border-radius: 999px;
  font: 700 15px/1.1 var(--font-body); text-decoration: none; text-align: center;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .3s var(--ease), translate .35s var(--spring);
}
.btn .i {
  box-sizing: content-box; width: 16px; height: 16px; padding: 9px; border-radius: 50%;
  background: rgba(22, 35, 114, .1);
  transition: transform .45s var(--spring), background-color .25s var(--ease);
}
.btn:hover .i { transform: rotate(45deg); }
.btn:active { scale: .98; }
.btn::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .5) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }
.btn--sm { min-height: 46px; padding: 0 6px 0 20px; font-size: 14px; }
.btn--sm .i { padding: 8px; width: 14px; height: 14px; }
.btn--lg { min-height: 66px; padding: 0 12px 0 32px; font-size: 17px; }
.btn--block { width: 100%; }
.btn--lime { background: var(--lime-wave); color: var(--navy-deep); box-shadow: 0 12px 30px -14px rgba(116, 201, 48, .9); }
.btn--lime:hover { box-shadow: 0 18px 40px -14px rgba(116, 201, 48, 1); }
.btn--solid, .btn--ink { background: var(--navy-deep); color: var(--white); }
.btn--solid .i, .btn--ink .i { background: var(--lime-wave); color: var(--navy-deep); }
.btn--solid:hover, .btn--ink:hover { background: var(--navy-500); }
.btn--ghost { background: rgba(255, 255, 255, .55); color: var(--navy-deep); border-color: rgba(22, 35, 114, .2); }
.btn--ghost:hover { border-color: var(--navy-deep); background: var(--white); }
.btn-stack { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.btn-stack .btn--block { width: auto; }
.btn-stack--narrow { display: none; }

/* ───────── En-tête flottant ───────── */
.site-header { position: sticky; top: 12px; z-index: 50; margin-top: 12px; pointer-events: none; }
.header-inner {
  pointer-events: auto; position: relative;
  display: flex; align-items: center; gap: 28px; height: 64px; padding: 0 8px 0 24px;
  border-radius: 999px; background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 2px rgba(8, 14, 51, .04);
  transition: width .5s var(--ease), box-shadow .4s var(--ease), background-color .4s var(--ease);
}
.site-header.is-scrolled .header-inner { width: min(1060px, calc(100% - 2 * var(--pad))); background: rgba(255, 255, 255, .88); box-shadow: 0 14px 40px -18px rgba(8, 14, 51, .3); }
.brand { display: block; transition: transform .4s var(--spring); }
.brand:hover { transform: rotate(-3deg) scale(1.04); }
.logo { height: 28px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link { position: relative; padding: 10px 14px; border-radius: 999px; font: 600 14px/1 var(--font-body); color: var(--navy-deep); text-decoration: none; white-space: nowrap; transition: background-color .25s var(--ease); }
.nav-link:hover { background: rgba(22, 35, 114, .06); }
.nav-link[aria-current="page"] { background: var(--lime-200); }
.nav .btn { margin-left: 10px; white-space: nowrap; }
.nav .btn[aria-current="page"] { box-shadow: 0 0 0 3px var(--white), 0 0 0 5px var(--lime-wave); }
.menu-toggle { display: none; margin-left: auto; align-items: center; gap: 8px; padding: 12px 18px; border: 0; border-radius: 999px; background: var(--navy-deep); color: var(--white); font: 700 14px/1 var(--font-body); cursor: pointer; }

/* ───────── Sections ───────── */
.section { padding-block: var(--sec) 0; }
.section--tight { padding-top: calc(var(--sec) * .6); }
.section-head { max-width: 880px; margin: 0 auto 64px; text-align: center; }
.section-head p { max-width: 640px; margin: 24px auto 0; }
.center { display: flex; justify-content: center; margin-top: 56px; }

/* ───────── Hero ───────── */
.hero { padding-top: 20px; }
.hero-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px);
  min-height: min(760px, calc(100svh - var(--header-h) - 48px));
  padding: clamp(28px, 5vw, 72px);
  border-radius: var(--r-xl); background: var(--white); color: var(--hero-fg);
  box-shadow: var(--card-shadow);
}
.aurora { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.aurora span { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; animation: drift 22s ease-in-out infinite alternate; }
.aurora span:nth-child(1) { width: 46%; aspect-ratio: 1; left: -12%; top: -24%; background: var(--lime-300); }
.aurora span:nth-child(2) { width: 40%; aspect-ratio: 1; right: 8%; bottom: -30%; background: var(--peach-300); animation-duration: 26s; animation-delay: -8s; }
.aurora span:nth-child(3) { width: 34%; aspect-ratio: 1; left: 30%; top: 40%; background: var(--sand); opacity: .9; animation-duration: 30s; animation-delay: -14s; }
@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(12%, 10%) scale(1.15); }
  66% { transform: translate(-8%, 16%) scale(.9); }
  100% { transform: translate(6%, -10%) scale(1.08); }
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; position: relative; z-index: 2; }
.hero-copy .display { color: var(--hero-fg); margin: 26px 0 26px; }
.hero-lead { max-width: 540px; font-size: 19px; line-height: 1.6; color: var(--hero-muted); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.hero-meta li { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; background: rgba(255, 255, 255, .75); border: 1px solid var(--hero-border); font: 600 13.5px/1 var(--font-body); color: var(--navy-deep); transition: transform .35s var(--spring), background-color .25s; }
.hero-meta li:hover { transform: translateY(-3px) rotate(-1.5deg); background: var(--lime-100); }

.hero-art { position: relative; min-height: 440px; isolation: isolate; }
.hero-blob {
  position: absolute; inset: 4% 2% 6% 6%; overflow: hidden;
  border-radius: var(--morph-a);
  box-shadow: 0 40px 80px -40px rgba(22, 35, 114, .45);
  animation: morph 14s ease-in-out infinite;
  translate: calc(var(--px, 0) * -14px) calc(var(--py, 0) * -14px);
  transition: translate .6s var(--ease);
}
.hero-blob img, .hero-art > img, .feature-art img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  animation: float-img 24s ease-in-out infinite alternate;
}
.hero-blob img { object-position: 62% 70%; }
@keyframes float-img { from { transform: scale(1.35) rotate(0deg); } to { transform: scale(1.6) rotate(8deg); } }
@keyframes morph {
  0%, 100% { border-radius: var(--morph-a); }
  33% { border-radius: var(--morph-b); }
  66% { border-radius: var(--morph-c); }
}
.float-chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px 12px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .85); color: var(--navy-deep);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: 0 20px 40px -20px rgba(8, 14, 51, .45);
  font: 700 15px/1 var(--font-display); letter-spacing: -.01em;
  animation: bob 6s ease-in-out infinite;
  translate: calc(var(--px, 0) * 22px) calc(var(--py, 0) * 22px);
  transition: translate .5s var(--ease);
}
.float-chip .i { box-sizing: content-box; padding: 8px; border-radius: 50%; background: var(--lime-wave); }
.float-chip--1 { left: -2%; top: 16%; }
.float-chip--2 { right: -2%; top: 46%; animation-delay: -2s; }
.float-chip--2 .i { background: var(--peach-flow); }
.float-chip--3 { left: 14%; bottom: 4%; animation-delay: -4s; }
.float-chip--3 .i { background: var(--navy-deep); color: var(--lime-wave); }
.float-dot { position: absolute; border-radius: 50%; animation: bob 7s ease-in-out infinite; translate: calc(var(--px, 0) * 34px) calc(var(--py, 0) * 34px); transition: translate .5s var(--ease); }
.float-dot--1 { width: 28px; height: 28px; right: 10%; top: 4%; background: var(--peach-flow); animation-delay: -3s; }
.float-dot--2 { width: 16px; height: 16px; right: 28%; bottom: 10%; background: var(--navy-deep); animation-delay: -1s; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-14px) rotate(-2deg); } }

/* ───────── Bandeau défilant ───────── */
.strip { position: relative; z-index: 1; overflow: hidden; padding: 36px 0 4px; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.strip-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.strip ul { display: flex; gap: 14px; padding-right: 14px; }
.strip li {
  display: inline-flex; align-items: center; gap: 12px; white-space: nowrap;
  padding: 16px 26px 16px 20px; border-radius: 999px;
  background: var(--white); color: var(--navy-deep);
  box-shadow: 0 1px 2px rgba(8, 14, 51, .05);
  font: 600 clamp(18px, 1.9vw, 24px)/1 var(--font-display); letter-spacing: -.02em;
  transition: background-color .3s var(--ease), transform .4s var(--spring);
}
.strip li::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--lime-wave); }
.strip li:nth-child(even)::before { background: var(--peach-flow); }
.strip li:hover { background: var(--lime-wave); transform: rotate(-2deg) scale(1.04); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ───────── Expertises : titre collant + cartes empilées ───────── */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.split-copy { position: sticky; top: calc(var(--header-h) + 48px); }
.split-copy .intro { margin-top: 28px; max-width: 480px; }
.stairs { display: grid; gap: 28px; }
.step {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; gap: 28px;
  padding: 34px 32px; border-radius: var(--r-lg); text-decoration: none;
  transition: box-shadow .4s var(--ease), translate .5s var(--spring);
}
.stairs .step {
  position: sticky; min-height: 360px; justify-content: space-between;
  top: calc(var(--header-h) + 48px + var(--k, 0) * 22px);
  scale: calc(1 - var(--stack, 0) * .06);
  transform-origin: center top;
  box-shadow: 0 -12px 40px -24px rgba(8, 14, 51, .35);
}
.stairs .step:nth-child(2) { --k: 1; }
.stairs .step:nth-child(3) { --k: 2; }
.stairs .step:hover { translate: 0 -6px; }
.step::after { /* forme organique décorative */
  content: ""; position: absolute; z-index: -1; right: -60px; bottom: -80px; width: 260px; aspect-ratio: 1;
  border-radius: var(--morph-a); background: rgba(255, 255, 255, .35);
  animation: morph 12s ease-in-out infinite, spin 40s linear infinite;
  transition: scale .6s var(--spring);
}
.step:hover::after { scale: 1.25; }
@keyframes spin { to { rotate: 360deg; } }
.step-icon { display: grid; place-items: center; width: 64px; height: 64px; border-radius: var(--morph-b); background: rgba(255, 255, 255, .6); animation: morph 10s ease-in-out infinite; transition: transform .5s var(--spring); }
.step:hover .step-icon { transform: rotate(-12deg) scale(1.08); }
.step-icon .i { width: 26px; height: 26px; }
.step h3 { font-weight: 700; font-size: clamp(26px, 2.6vw, 38px); line-height: 1.04; color: inherit; margin-bottom: 14px; }
.step p { font-size: 16.5px; line-height: 1.6; max-width: 560px; }
.step-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; font: 700 15px/1.2 var(--font-body); }
.step-link .i { box-sizing: content-box; padding: 8px; border-radius: 50%; background: var(--navy-deep); color: var(--lime-wave); transition: transform .45s var(--spring); }
.step:hover .step-link .i { transform: rotate(45deg); }
.step--lime { background: var(--lime-wave); color: var(--navy-deep); }
.step--peach { background: var(--peach-flow); color: var(--navy-deep); }
.step--dark { background: var(--navy-deep); color: var(--white); }
.step--dark::after { background: rgba(170, 248, 102, .14); }
.step--dark .step-icon { background: var(--lime-wave); color: var(--navy-deep); }
.step--dark p { color: var(--dark-muted); }
.step--dark .step-link .i { background: var(--lime-wave); color: var(--navy-deep); }

/* Lumière qui suit le pointeur (cartes) */
.spot::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .5), transparent 45%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.spot:hover::before { opacity: 1; }
.cap-card.spot::before, .pillar.spot::before { background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(170, 248, 102, .3), transparent 50%); }

/* ───────── Approche : cartes avec formes animées ───────── */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.pillar {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 520px; padding: 40px 34px 0;
  border-radius: var(--r-lg); background: var(--card-bg); color: var(--card-fg);
  box-shadow: var(--card-shadow);
}
.pillar h3 { font-weight: 700; font-size: clamp(24px, 2.2vw, 32px); line-height: 1.06; max-width: 320px; }
.pillar p { margin-top: 16px; max-width: 320px; font-size: 16px; line-height: 1.6; color: var(--card-muted); }
.blob { position: relative; height: 240px; margin: auto -34px 0; }
.blob i { position: absolute; display: block; border-radius: var(--morph-a); animation: morph 12s ease-in-out infinite, spin 30s linear infinite; transition: translate .8s var(--spring), scale .8s var(--spring); }
.blob i:first-child { width: 220px; height: 220px; left: 50%; bottom: -70px; margin-left: -110px; }
.blob i:last-child { width: 110px; height: 110px; left: 50%; bottom: 80px; margin-left: 30px; animation-duration: 9s, 22s; animation-direction: normal, reverse; mix-blend-mode: multiply; }
.blob--a i:first-child { background: var(--lime-wave); }
.blob--a i:last-child { background: var(--peach-300); }
.blob--b i:first-child { background: var(--peach-flow); animation-delay: -4s; }
.blob--b i:last-child { background: var(--lime-300); margin-left: -140px; }
.blob--c i:first-child { background: var(--gradient-flow); animation-delay: -8s; }
.blob--c i:last-child { background: var(--navy-deep); width: 60px; height: 60px; bottom: 130px; mix-blend-mode: normal; }
.pillar:hover .blob i:first-child { scale: 1.18; translate: 0 -16px; }
.pillar:hover .blob i:last-child { scale: 1.2; translate: -20px -24px; }

/* ───────── Grand bloc marine ───────── */
.feature-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 4vw, 64px);
  padding: clamp(28px, 5vw, 72px);
  border-radius: var(--r-xl); background: var(--dark-bg); color: var(--dark-fg);
}
.feature-card::before { content: ""; position: absolute; z-index: -1; width: 520px; aspect-ratio: 1; left: -200px; bottom: -280px; border-radius: 50%; background: var(--lime-wave); opacity: .16; filter: blur(60px); animation: drift 20s ease-in-out infinite alternate; }
.feature-copy .title { color: var(--dark-fg); font-size: clamp(30px, 3.8vw, 54px); }
.feature-copy > p { margin-top: 24px; max-width: 560px; font-size: 17px; color: var(--dark-muted); }
.flow { display: grid; gap: 12px; margin-top: 36px; }
.flow li {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px; border-radius: 20px; background: var(--dark-row);
  transition: background-color .3s var(--ease), translate .45s var(--spring);
}
.flow li:hover { background: rgba(255, 255, 255, .12); translate: 8px 0; }
.flow li::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--lime-wave); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); }
.flow li:nth-child(2)::after { background: var(--peach-flow); }
.is-in .flow li::after, html:not(.reveal-ready) .flow li::after { transform: scaleX(1); }
.is-in .flow li:nth-child(2)::after { transition-delay: .35s; }
.is-in .flow li:nth-child(3)::after { transition-delay: .7s; }
.flow-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--lime-wave); color: var(--navy-deep); flex: none; }
.flow-icon .i { transform: rotate(90deg); }
.flow li:nth-child(2) .flow-icon { background: var(--peach-flow); }
.flow strong { display: block; font: 700 18px/1.2 var(--font-display); letter-spacing: -.02em; }
.flow div > span { display: block; margin-top: 3px; color: var(--dark-muted); font-size: 15px; }
.feature-art {
  position: relative; min-height: 480px; overflow: hidden;
  border-radius: var(--morph-b); animation: morph 18s ease-in-out infinite;
}
.feature-art img { object-position: 30% 80%; }
.feature-caption {
  position: absolute; left: 50%; bottom: 14%; translate: -50% 0; white-space: nowrap;
  padding: 12px 20px; border-radius: 999px;
  background: rgba(255, 255, 255, .82); color: var(--navy-deep);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  font: 700 15px/1 var(--font-display); letter-spacing: -.01em;
  animation: bob 6s ease-in-out infinite;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chips li { padding: 10px 16px; border-radius: 999px; border: 1px solid var(--dark-border); background: var(--chip-bg); font: 600 13.5px/1 var(--font-body); color: var(--dark-fg); transition: background-color .25s, color .25s, transform .35s var(--spring); }
.chips li:hover { background: var(--lime-wave); color: var(--navy-deep); transform: translateY(-3px); }

/* ───────── Les trois verbes ───────── */
.verbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-top: 72px; }
.verb { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 8px 16px; }
.verb strong { position: relative; font-weight: 700; font-size: clamp(36px, 4.4vw, 64px); line-height: 1; }
.verb strong::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 10px; border-radius: 10px; background: var(--lime-wave); transform: scaleX(0); transform-origin: left; transition: transform 1s var(--ease) .3s; }
.verb:nth-child(2) strong::after { background: var(--peach-flow); }
.verb.is-in strong::after, html:not(.reveal-ready) .verb strong::after { transform: scaleX(1); }
.verb span { font-size: 16px; color: var(--fg-muted); margin-top: 10px; }

/* ───────── Appel à l'action ───────── */
.cta-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(24px, 4vw, 56px);
  padding: clamp(36px, 6vw, 88px);
  border-radius: var(--r-xl); background: var(--lime-wave); color: var(--navy-deep);
}
.cta-card::before, .cta-card::after, .tail-card::before {
  content: ""; position: absolute; z-index: -1; aspect-ratio: 1; border-radius: var(--morph-a);
  animation: morph 13s ease-in-out infinite, spin 36s linear infinite;
}
.cta-card::before { width: 420px; right: -120px; top: -200px; background: var(--peach-flow); opacity: .85; }
.cta-card::after { width: 240px; left: 30%; bottom: -170px; background: var(--lime-300); animation-direction: normal, reverse; }
.cta-mark { width: clamp(72px, 8vw, 120px); height: clamp(72px, 8vw, 120px); color: var(--navy-deep); animation: bob 5s ease-in-out infinite; }
.cta-card .title { color: var(--navy-deep); font-size: clamp(32px, 4.2vw, 60px); }
.cta-card .btn { position: relative; z-index: 1; }

/* ───────── Pied de page ───────── */
.site-footer { margin-top: var(--sec); padding: 80px 0 32px; border-radius: var(--r-xl) var(--r-xl) 0 0; background: var(--navy-800); color: var(--navy-200); overflow: hidden; }
.site-footer::before { content: ""; position: absolute; width: 480px; aspect-ratio: 1; right: -160px; top: -240px; border-radius: 50%; background: var(--lime-wave); opacity: .12; filter: blur(70px); pointer-events: none; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-brand img { height: 32px; width: auto; }
.footer-brand p { margin-top: 22px; font-size: 15px; color: var(--navy-200); }
.site-footer nav { display: grid; align-content: start; gap: 14px; }
.site-footer h2 { margin-bottom: 6px; font: 700 16px/1.2 var(--font-display); letter-spacing: -.01em; color: var(--white); }
.site-footer nav a { display: inline-flex; align-items: center; gap: 6px; width: fit-content; font-size: 15px; text-decoration: none; color: var(--navy-200); transition: color .2s, translate .35s var(--spring); }
.site-footer nav a:hover { color: var(--lime-wave); translate: 4px 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 64px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13.5px; color: var(--navy-300); }

/* ═════════ Pages intérieures ═════════ */
.breadcrumb { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 10px; width: fit-content; padding: 8px 16px; border-radius: 999px; background: rgba(255, 255, 255, .7); border: 1px solid var(--hero-border); font: 600 14px/1.3 var(--font-body); color: var(--hero-muted); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--hero-fg); }
.breadcrumb [aria-current] { color: var(--hero-fg); }

.display--page { font-size: clamp(40px, 5.4vw, 80px); line-height: 1; }
.hero--page .hero-art { border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 40px 80px -40px rgba(22, 35, 114, .45); }
.hero--page .hero-art > img { object-position: 40% 60%; }
.hero-panel {
  position: absolute; z-index: 2; left: 50%; top: 50%; translate: -50% -50%;
  width: min(360px, calc(100% - 48px));
  padding: 22px; border-radius: 24px;
  background: rgba(255, 255, 255, .8); color: var(--navy-deep);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  box-shadow: 0 30px 60px -30px rgba(8, 14, 51, .45);
  border: 1px solid rgba(255, 255, 255, .8);
  animation: bob 7s ease-in-out infinite;
}
.panel-top { font: 700 15px/1.3 var(--font-display); letter-spacing: -.01em; }
.panel-badge { display: flex; align-items: center; gap: 10px; margin-top: 16px; padding: 12px 14px; border-radius: 14px; background: var(--lime-wave); color: var(--navy-deep); font: 700 15px/1.2 var(--font-display); }
.panel-stack { display: grid; gap: 10px; margin-top: 16px; }
.panel-stack li { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 14px; border-radius: 14px; background: rgba(22, 35, 114, .07); font: 700 15px/1 var(--font-body); }
.panel-stack .bar { position: relative; overflow: hidden; width: 56px; height: 6px; border-radius: 6px; background: rgba(22, 35, 114, .15); }
.panel-stack .bar::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--lime-wave); animation: fill 3.2s var(--ease) infinite; }
.panel-stack li:nth-child(2) .bar::after { animation-delay: .6s; }
.panel-stack li:nth-child(3) .bar::after { animation-delay: 1.2s; }
@keyframes fill { 0% { transform: scaleX(0); transform-origin: left; } 50% { transform: scaleX(1); transform-origin: left; } 50.1% { transform: scaleX(1); transform-origin: right; } 100% { transform: scaleX(0); transform-origin: right; } }
.led { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--lime-600); }
.led::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: inherit; animation: ping 2s var(--ease) infinite; }
.led--peach { background: var(--peach-500); }
.panel-path { display: grid; gap: 10px; margin-top: 16px; }
.panel-path li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; background: rgba(22, 35, 114, .07); font: 700 18px/1 var(--font-display); letter-spacing: -.02em; transition: transform .4s var(--spring); }
.panel-path li:nth-child(2) { margin-left: 22px; }
.panel-path li:nth-child(3) { margin-left: 44px; }
.panel-path li:hover { transform: translateX(6px); }
.panel-path span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--navy-deep); color: var(--lime-wave); font-size: 14px; }
.hero-panel--window { width: min(400px, calc(100% - 40px)); }
.app-window { margin-top: 14px; border-radius: 16px; overflow: hidden; background: var(--white); color: var(--navy-deep); box-shadow: 0 10px 30px -18px rgba(8, 14, 51, .5); }
.app-bar { display: flex; align-items: center; gap: 6px; padding: 10px 12px; background: var(--navy-deep); color: var(--white); font: 600 12px/1 var(--font-body); }
.app-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .35); }
.app-bar i:first-child { background: var(--peach-flow); }
.app-bar i:nth-child(2) { background: var(--lime-wave); }
.app-bar span { margin-left: 8px; opacity: .85; }
.app-body { display: grid; grid-template-columns: 44px 1fr; min-height: 170px; }
.app-side { display: grid; align-content: start; gap: 10px; padding: 14px 12px; background: var(--grey-100); }
.app-side b { height: 8px; border-radius: 4px; background: var(--grey-300); }
.app-side b:first-child { background: var(--lime-wave); }
.app-main { display: grid; align-content: start; gap: 4px; padding: 14px 16px; }
.app-main strong { font: 700 17px/1.1 var(--font-display); }
.app-main > span { font-size: 13px; color: var(--grey-600); }
.app-modules { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.app-modules em { font-style: normal; font: 700 12px/1 var(--font-body); padding: 7px 10px; border-radius: 999px; background: var(--lime-100); animation: pop 4s var(--spring) infinite; }
.app-modules em:nth-child(2) { background: var(--peach-100); animation-delay: .4s; }
.app-modules em:nth-child(3) { animation-delay: .8s; }
@keyframes pop { 0%, 70%, 100% { transform: none; } 80% { transform: translateY(-3px) scale(1.06); } }
.app-records { display: grid; gap: 6px; margin-top: 10px; }
.app-records span { display: flex; justify-content: space-between; padding: 8px 10px; border-radius: 8px; background: var(--grey-050); border: 1px solid var(--grey-200); font-size: 12px; font-weight: 600; }
.app-records span::after { content: ""; width: 40px; height: 6px; margin-top: 5px; border-radius: 6px; background: var(--grey-300); }

/* Cartes d'offre */
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.cap-card {
  position: relative; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 270px; padding: 30px 28px;
  border-radius: var(--r-lg); background: var(--card-bg); color: var(--card-fg);
  box-shadow: var(--card-shadow);
}
.cap-icon { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: auto; border-radius: var(--morph-a); background: var(--lime-wave); color: var(--navy-deep); transition: border-radius .6s var(--ease), transform .6s var(--spring); }
.cap-card:hover .cap-icon { border-radius: var(--morph-c); transform: rotate(-10deg) scale(1.1); }
.cap-card:nth-child(4n+2) .cap-icon, .cap-card:nth-child(4n+3) .cap-icon { background: var(--peach-flow); }
.cap-icon .i { width: 24px; height: 24px; }
.cap-card h3 { margin-top: 18px; font-weight: 700; font-size: 23px; line-height: 1.1; color: var(--card-fg); }
.cap-card p { font-size: 15.5px; line-height: 1.6; color: var(--card-muted); }

/* Méthode : frise qui se remplit au défilement */
.method { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.method::before, .method::after { content: ""; position: absolute; left: 28px; right: 28px; top: 27px; height: 4px; border-radius: 4px; }
.method::before { background: rgba(22, 35, 114, .1); }
.method::after { background: var(--gradient-flow); transform: scaleX(var(--mp, 0)); transform-origin: left; }
html:not(.reveal-ready) .method::after { transform: none; }
.method .step { z-index: 1; overflow: visible; min-height: 0; padding: 0; gap: 22px; background: none; color: var(--navy-deep); }
.method .step::after { display: none; }
.method .step-num {
  display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%;
  font: 700 20px/1 var(--font-display); background: var(--lime-wave); color: var(--navy-deep);
  box-shadow: 0 0 0 6px var(--page); transition: transform .5s var(--spring);
}
.method .step:hover .step-num { transform: scale(1.15) rotate(-8deg); }
.method .step--peach .step-num { background: var(--peach-flow); }
.method .step--dark .step-num { background: var(--navy-deep); color: var(--lime-wave); }
.method .step > div { flex: 1; padding: 26px 24px; border-radius: var(--r-lg); background: var(--card-bg); box-shadow: var(--card-shadow); }
.method .step h3 { font-size: 24px; margin: 0 0 10px; color: var(--navy-deep); }
.method .step p { font-size: 15.5px; color: var(--card-muted); }
.reveal-ready .method .step[data-reveal]:nth-child(2) { transition-delay: .1s; }
.reveal-ready .method .step[data-reveal]:nth-child(3) { transition-delay: .2s; }
.reveal-ready .method .step[data-reveal]:nth-child(4) { transition-delay: .3s; }

/* Questions fréquentes */
.faq { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.faq-head { position: sticky; top: calc(var(--header-h) + 48px); display: grid; justify-items: start; gap: 28px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { border-radius: 24px; background: var(--card-bg); color: var(--card-fg); box-shadow: var(--card-shadow); transition: background-color .3s var(--ease); }
.faq-list details[open] { background: var(--lime-100); }
.faq-list details::details-content { block-size: 0; overflow: hidden; transition: block-size .45s var(--ease), content-visibility .45s allow-discrete; }
.faq-list details[open]::details-content { block-size: auto; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 26px; cursor: pointer; list-style: none; font-weight: 600; font-size: 19px; line-height: 1.3; letter-spacing: -.02em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-icon { display: grid; place-items: center; flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--navy-deep); color: var(--lime-wave); transition: transform .45s var(--spring), background-color .3s; }
details[open] .faq-icon { transform: rotate(135deg); background: var(--lime-wave); color: var(--navy-deep); }
.faq-list details p { padding: 0 26px 26px; max-width: 640px; font-size: 16px; line-height: 1.65; color: var(--card-muted); }

/* Contact (bas des pages d'expertise) */
.contact-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(28px, 4vw, 64px); align-items: start;
  padding: clamp(24px, 5vw, 72px);
  border-radius: var(--r-xl); background: var(--dark-bg); color: var(--dark-fg);
}
.contact-card::before { content: ""; position: absolute; z-index: -1; width: 520px; aspect-ratio: 1; left: -180px; top: -200px; border-radius: 50%; background: var(--peach-flow); opacity: .18; filter: blur(70px); animation: drift 22s ease-in-out infinite alternate; }
.contact-copy { position: sticky; top: calc(var(--header-h) + 48px); }
.contact-copy .title { color: var(--dark-fg); font-size: clamp(32px, 4vw, 56px); }
.contact-copy > p { margin-top: 22px; max-width: 480px; font-size: 17px; color: var(--dark-muted); }
.contact-note { display: flex; gap: 18px; align-items: flex-start; margin-top: 36px; padding: 22px; border-radius: 22px; background: var(--dark-row); }
.contact-mark { flex: none; width: 44px; height: 44px; color: var(--lime-wave); animation: bob 5s ease-in-out infinite; }
.contact-note strong { display: block; font: 700 18px/1.25 var(--font-display); letter-spacing: -.01em; }
.contact-note p { margin-top: 6px; font-size: 15px; color: var(--dark-muted); }

/* Carte formulaire */
.form-card { padding: clamp(22px, 3vw, 40px); border-radius: var(--r-lg); background: var(--card-bg); color: var(--card-fg); box-shadow: var(--card-shadow); }
.form-heading { font-weight: 700; font-size: 30px; line-height: 1.05; }
.form-intro { margin-top: 10px; font-size: 15px; color: var(--card-muted); }
.form-fields { display: grid; gap: 16px; margin-top: 24px; }
.form-fields[hidden], .form-feedback[hidden], .field-error[hidden], .form-error-summary[hidden] { display: none; }
.form-context { display: inline-flex; align-items: center; gap: 8px; width: fit-content; padding: 9px 16px; border-radius: 999px; background: var(--lime-wave); color: var(--navy-deep); font: 700 13.5px/1 var(--font-body); }
.form-error-summary { padding: 12px 14px; border-radius: 14px; border: 1px solid var(--error); color: var(--error); font-weight: 700; font-size: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font: 700 14px/1.3 var(--font-body); color: var(--card-fg); }
.field label span { font-weight: 500; color: var(--card-muted); }
.field input, .field textarea {
  width: 100%; min-height: 52px; padding: 14px 18px;
  border: 1.5px solid var(--field-border); border-radius: 16px;
  background: var(--field-bg); color: var(--card-fg);
  font: 500 15px/1.4 var(--font-body);
  transition: border-color .2s var(--ease), box-shadow .25s var(--ease), background-color .2s;
}
.field input:hover, .field textarea:hover { border-color: var(--navy-300); }
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: var(--grey-500); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--navy-deep); box-shadow: 0 0 0 5px rgba(170, 248, 102, .5); }
[aria-invalid="true"] { border-color: var(--error) !important; }
.field-error { display: block; color: var(--error); font-size: 13.5px; font-weight: 600; }
.form-choices { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; border: 0; }
.form-choices legend { width: 100%; margin-bottom: 10px; font: 700 14px/1.3 var(--font-body); color: var(--card-fg); }
.form-choices .field-error { width: 100%; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-block; padding: 12px 18px; border: 1.5px solid var(--field-border); border-radius: 999px; font: 600 14px/1 var(--font-body); transition: background-color .2s var(--ease), border-color .2s var(--ease), transform .35s var(--spring); }
.choice input:hover + span { border-color: var(--card-fg); }
.choice input:checked + span { background: var(--lime-wave); border-color: var(--lime-wave); color: var(--navy-deep); transform: scale(1.05); }
.choice input:focus-visible + span { outline: 3px solid var(--navy-400); outline-offset: 2px; }
.consent { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; line-height: 1.5; color: var(--card-muted); cursor: pointer; }
.consent input { flex: none; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--lime-600); }
.contact-form .btn--block { padding-left: 32px; }
.prototype-note { font-size: 13px; color: var(--card-muted); text-align: center; }
.privacy-detail { font-size: 13.5px; color: var(--card-muted); }
.privacy-detail summary { cursor: pointer; font-weight: 700; color: var(--card-fg); }
.privacy-detail p { margin-top: 8px; }
.form-feedback { display: grid; justify-items: start; gap: 14px; margin-top: 24px; padding: 28px; border-radius: 22px; background: var(--lime-100); color: var(--navy-deep); animation: pop-in .6s var(--spring); }
@keyframes pop-in { from { opacity: 0; transform: scale(.94) translateY(10px); } }
.feedback-icon { width: 48px; height: 48px; color: var(--lime-600); }
.form-feedback h3 { font: 700 26px/1.1 var(--font-display); letter-spacing: -.02em; }
.form-feedback p { font-size: 15px; line-height: 1.6; }

/* Page contact */
.contact-page { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.contact-intro { grid-template-columns: 1fr; min-height: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.contact-intro .hero-copy { justify-content: flex-start; }
.options { display: grid; gap: 12px; width: 100%; margin-top: 36px; }
.options a {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 16px 20px 16px 16px; border-radius: 22px; text-decoration: none;
  background: rgba(255, 255, 255, .75); border: 1px solid var(--hero-border); color: var(--hero-fg);
  transition: background-color .25s var(--ease), translate .45s var(--spring), box-shadow .3s;
}
.options a:hover { background: var(--white); translate: 8px 0; box-shadow: var(--card-shadow); }
.options a > .i { transition: transform .45s var(--spring); }
.options a:hover > .i { transform: rotate(45deg); }
.option-icon { display: grid; place-items: center; width: 50px; height: 50px; border-radius: var(--morph-a); background: var(--lime-wave); color: var(--navy-deep); transition: border-radius .6s var(--ease); }
.options a:hover .option-icon { border-radius: var(--morph-c); }
.options li:nth-child(2) .option-icon { background: var(--peach-flow); }
.options li:nth-child(3) .option-icon { background: var(--navy-deep); color: var(--lime-wave); }
.options strong { display: block; font: 700 18px/1.2 var(--font-display); letter-spacing: -.02em; }
.options a > span:nth-child(2) > span { display: block; margin-top: 3px; font-size: 14.5px; color: var(--hero-muted); }
.tail-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: auto 1fr; gap: clamp(24px, 4vw, 56px); align-items: center;
  padding: clamp(28px, 5vw, 72px); border-radius: var(--r-xl);
  background: var(--peach-flow); color: var(--navy-deep);
}
.tail-card::before { width: 360px; right: -100px; bottom: -200px; background: var(--peach-300); }
.tail-card .title { color: var(--navy-deep); font-size: clamp(28px, 3.6vw, 48px); }
.tail-card p { margin-top: 16px; max-width: 720px; font-size: 17px; }

/* ───────── Apparition au défilement ───────── */
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(40px) scale(.98); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal-ready [data-reveal].is-in { opacity: 1; transform: none; }
.reveal-ready .pillars [data-reveal]:nth-child(2), .reveal-ready .verbs [data-reveal]:nth-child(2), .reveal-ready .cap-grid [data-reveal]:nth-child(even) { transition-delay: .12s; }
.reveal-ready .pillars [data-reveal]:nth-child(3), .reveal-ready .verbs [data-reveal]:nth-child(3) { transition-delay: .24s; }
/* Inclinaison 3D au survol (activée par le script après l'apparition) */
.reveal-ready .tilt.is-tilting, .tilt.is-tilting { transition: transform .2s var(--ease), opacity .9s var(--ease); transition-delay: 0s; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateY(-4px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal-ready [data-reveal], .reveal-ready [data-split] .w { opacity: 1; transform: none; filter: none; }
  .scroll-progress { display: none; }
  .stairs .step { scale: none; }
}

/* ───────── Responsive ───────── */
@media (max-width: 1080px) {
  .header-inner { gap: 16px; }
  .nav-link { padding: 10px 10px; }
  .split { grid-template-columns: 1fr; }
  .split-copy { position: static; }
  .pillar { min-height: 480px; padding-inline: 24px; }
  .blob { margin-inline: -24px; }
  .method { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .method::before, .method::after { display: none; }
  .faq { grid-template-columns: 1fr; }
  .faq-head { position: static; }
  .contact-card { grid-template-columns: 1fr; }
  .contact-copy { position: static; }
  .contact-page { grid-template-columns: 1fr; }
  .contact-intro { position: static; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .header-inner { height: 58px; padding-left: 18px; }
  .menu-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: calc(100% + 8px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 12px; border-radius: 28px; background: var(--white);
    box-shadow: 0 30px 60px -20px rgba(8, 14, 51, .35);
    opacity: 0; visibility: hidden; transform: translateY(-8px) scale(.98); transform-origin: top center;
    transition: opacity .3s var(--ease), transform .4s var(--spring), visibility 0s .3s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .3s var(--ease), transform .4s var(--spring); }
  .nav-link { padding: 16px 18px; font-size: 17px; }
  .nav .btn { margin: 10px 0 0; }

  .hero-card { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .hero-art { min-height: 320px; order: -1; }
  .float-chip { font-size: 13px; padding: 9px 14px 9px 9px; }
  .float-chip--1 { left: 0; }
  .float-chip--2 { right: 0; }
  .pillars, .verbs, .cap-grid { grid-template-columns: 1fr; }
  .stairs .step { position: relative; top: auto; min-height: 0; scale: none; }
  .pillar { min-height: 0; }
  .cap-card { min-height: 0; }
  .cap-icon { margin-bottom: 4px; }
  .feature-card { grid-template-columns: 1fr; }
  .feature-art { min-height: 0; aspect-ratio: 1; width: min(100%, 460px); justify-self: center; }
  .hero--home .hero-art, .hero:not(.hero--page) .hero-art { min-height: 0; aspect-ratio: 1; width: min(100%, 460px); justify-self: center; }
  .verbs { gap: 36px; }
  .cta-card { grid-template-columns: 1fr; justify-items: start; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-panel { width: min(340px, calc(100% - 32px)); padding: 16px; }
  .method { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .tail-card { grid-template-columns: 1fr; }
  .hero--page .hero-art { min-height: 400px; }
}

@media (max-width: 520px) {
  .display { font-size: clamp(40px, 11.5vw, 56px); }
  .display--page { font-size: clamp(32px, 9vw, 44px); }
  .hero-lead { font-size: 17px; }
  .btn-stack .btn { width: 100%; justify-content: space-between; }
  .step { padding: 26px 22px; }
}