/* =========================================================
   Aster, landing statique
   Reproduction de la grammaire visuelle d'une landing SaaS :
   nav pilule flottante, hero plein écran, panneaux sticky,
   chiffre géant avec cartes en parallaxe, FAQ accordéon.
   Aucun asset externe : les visuels sont générés en CSS.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:            #f9f8f5;
  --bg-warm:       #f3f1ea;
  --ink:           #100f0d;
  --ink-soft:      #2b2925;
  --muted:         #6f6b62;
  --muted-light:   #9c978c;
  --line:          rgba(16, 15, 13, .10);
  --card:          #ffffff;
  --green:         #3d7a45;
  --green-soft:    #e8f1e6;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "DM Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  "DM Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 28px;
  --r-xl: 40px;
  --pill: 999px;

  --gutter: clamp(1.25rem, 4vw, 5rem);
  --shadow-card: 0 1px 2px rgba(16,15,13,.05), 0 12px 32px -12px rgba(16,15,13,.14);
  --shadow-pop:  0 2px 6px rgba(16,15,13,.06), 0 28px 60px -24px rgba(16,15,13,.28);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.mono { font-family: var(--mono); font-size: .8125rem; letter-spacing: -.01em; }
.icon { width: 1em; height: 1em; }

/* ---------- Marque ---------- */
.mark { width: 20px; height: 20px; color: var(--ink); }
.mark--sm { width: 15px; height: 15px; }
.mark--lg { width: 58px; height: 58px; color: #fff; margin: 0 auto .5rem; }
.mark--lg circle { fill: transparent; }

/* ---------- Titres d'affichage ---------- */
.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.015em;
  line-height: .98;
  margin: 0;
  text-wrap: balance;
}
.display em { font-style: italic; }
.display--hero { font-size: clamp(2.9rem, 8.4vw, 7.5rem); }
.display--xl   { font-size: clamp(4.5rem, 13vw, 11rem); line-height: .9; display: block; }
.display--md   { font-size: clamp(1.9rem, 5.2vw, 4.25rem); display: block; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  align-items: stretch;
  gap: 3px;
  padding: 3px;
  border-radius: var(--r-md);
  background: rgba(249, 248, 245, .5);
  backdrop-filter: blur(12px) saturate(135%);
  -webkit-backdrop-filter: blur(12px) saturate(135%);
  box-shadow: 0 1px 2px rgba(16,15,13,.06), 0 10px 30px -14px rgba(16,15,13,.3);
  max-width: calc(100vw - 2rem);
}

.nav__brand,
.nav__link {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .85rem;
  border-radius: 13px;
  background: var(--card);
  font-size: .875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav__brand {
  background: var(--ink);
  color: #fff;
  font-family: var(--serif);
  font-size: 1.0625rem;
}
.nav__brand .mark { color: #fff; }
.nav__brand .mark circle { fill: var(--ink); }
.nav__link:hover { background: var(--bg-warm); }
.nav__link--muted { background: #edeae1; color: var(--ink-soft); }

@media (max-width: 560px) {
  .nav__wordmark { display: none; }
  .nav__brand { padding: .55rem .6rem; }
  .nav__link { padding: .55rem .7rem; font-size: .8125rem; }
}

/* =========================================================
   Visuels générés : « plaques » de couleur floutée
   ========================================================= */
/* Les plaques n'utilisent pas filter: blur() : un flou animé sur une surface
   plein écran sature le compositeur. Les dégradés radiaux larges donnent
   la même douceur pour un coût nul. */
.plate {
  position: absolute;
  inset: -12%;
  opacity: 0;
  filter: saturate(118%);
  transform: scale(1.06);
  transition: opacity 2.2s ease;
}
.plate.is-on { opacity: 1; animation: drift 26s ease-in-out infinite alternate; }

@keyframes drift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to   { transform: scale(1.16) translate3d(-2%, -2.5%, 0); }
}

.plate--dawn {
  background:
    radial-gradient(34% 26% at 20% 16%, #e4e08a 0%, transparent 66%),
    radial-gradient(30% 24% at 76% 22%, #f0dcae 0%, transparent 68%),
    radial-gradient(46% 38% at 62% 74%, #4e6b4a 0%, transparent 64%),
    linear-gradient(168deg, #8fa07f 0%, #35473c 48%, #131a17 100%);
}
.plate--field {
  background:
    radial-gradient(30% 24% at 28% 66%, #f2d977 0%, transparent 66%),
    radial-gradient(28% 22% at 70% 28%, #bcd196 0%, transparent 68%),
    radial-gradient(40% 34% at 14% 22%, #7d97b8 0%, transparent 66%),
    linear-gradient(150deg, #667d55 0%, #2c3a2c 56%, #121712 100%);
}
.plate--dusk {
  background:
    radial-gradient(32% 26% at 66% 20%, #f4cf8e 0%, transparent 66%),
    radial-gradient(36% 30% at 18% 72%, #9ab0ae 0%, transparent 64%),
    radial-gradient(30% 26% at 84% 78%, #c98f52 0%, transparent 66%),
    linear-gradient(160deg, #77817a 0%, #313a34 52%, #121614 100%);
}
.plate--bloom {
  filter: saturate(122%);
  background:
    radial-gradient(38% 30% at 50% 34%, #ffd35c 0%, transparent 58%),
    radial-gradient(55% 34% at 18% 82%, #f2b422 0%, transparent 62%),
    radial-gradient(50% 32% at 84% 74%, #eba91d 0%, transparent 60%),
    linear-gradient(178deg, #a9c6d8 0%, #cbd6c6 34%, #d9a92a 72%, #b9861a 100%);
}

/* Grain : bruit fractal SVG, évite les dégradés « plastique » */
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem var(--gutter) 4.5rem;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}
.hero__stage { position: absolute; inset: 0; z-index: -1; overflow: hidden; background: #1b2220; }
.hero__scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(70% 55% at 50% 42%, rgba(0,0,0,.34) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(0,0,0,.28) 0%, transparent 30%, rgba(0,0,0,.30) 100%);
}
.hero__body { text-align: center; margin: auto 0; }
.hero__body > * { animation: rise .9s cubic-bezier(.2,.7,.2,1) both; }
.hero__lede { animation-delay: .12s; }
.hero__ticker { animation-delay: .2s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.display--hero { text-shadow: 0 2px 40px rgba(0,0,0,.25); }

.hero__lede {
  margin: 1.6rem 0 .25rem;
  font-size: .9375rem;
  font-weight: 700;
}
.hero__ticker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  margin: 0;
  font-size: .9375rem;
  color: rgba(255,255,255,.82);
}
.hero__ticker .icon { width: 15px; height: 15px; opacity: .75; }
.hero__ticker span[data-ticker] { transition: opacity .35s ease, transform .35s ease; }
.hero__ticker span[data-ticker].is-out { opacity: 0; transform: translateY(-6px); }

/* ---------- Formulaire pilule ---------- */
.pillform {
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: .3rem;
  border-radius: var(--pill);
  background: rgba(255,255,255,.18);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.32), 0 12px 34px -18px rgba(0,0,0,.6);
  width: min(21rem, 100%);
}
.pillform__input {
  flex: 1;
  min-width: 0;
  padding: .6rem .95rem;
  border: 0;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: .9375rem;
  border-radius: var(--pill);
}
.pillform__input::placeholder { color: rgba(255,255,255,.72); }
.pillform__input:focus-visible { outline: 2px solid rgba(255,255,255,.7); outline-offset: 1px; }
.pillform__btn {
  padding: .6rem 1.05rem;
  border: 0;
  border-radius: var(--pill);
  background: rgba(255,255,255,.92);
  color: var(--ink);
  font-size: .9375rem;
  font-weight: 500;
  transition: background .18s ease, transform .18s ease;
}
.pillform__btn:hover { background: #fff; transform: translateY(-1px); }

/* ---------- Bloc titre ---------- */
.titleblock {
  padding: clamp(5rem, 11vw, 12rem) var(--gutter) clamp(3rem, 6vw, 6rem);
  text-align: center;
}
.titleblock .display { font-size: clamp(2.4rem, 7vw, 6rem); }
.titleblock--tight { padding-block: clamp(5rem, 10vw, 10rem) clamp(3rem, 6vw, 6rem); }

/* ---------- Révélation au scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* =========================================================
   Panneaux empilés (sticky stacking)
   ========================================================= */
.stack {
  padding: 0 var(--gutter);
  margin-bottom: clamp(5rem, 10vw, 11rem);
}
.panel {
  position: sticky;
  top: 12vh;
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 54rem) minmax(0, 15rem);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  justify-content: center;
  margin-bottom: clamp(2rem, 5vw, 5.5rem);
}
.panel--flip { grid-template-areas: none; }
.panel__text { grid-column: 1; }
.panel__media { grid-column: 2; }
.panel--flip .panel__text { grid-column: 3; grid-row: 1; }
.panel--flip .panel__media { grid-column: 2; grid-row: 1; }

.panel__text h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  margin: 0 0 .85rem;
}
.panel__text p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 22rem;
}

.panel__media {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: var(--r-xl);
  overflow: hidden;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-pop);
  isolation: isolate;
}
.panel__media::before {
  content: "";
  position: absolute;
  inset: -18%;
  z-index: -1;
  filter: blur(12px) saturate(118%);
  transform: scale(1.12);
}
.panel__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .13;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Traînées : évoquent un champ photographié en filé */
/* Bandes en dégradés progressifs : le fondu est dans le gradient lui-même,
   le blur ne sert plus qu'à casser les dernières arêtes. */
.media--gold::before {
  background:
    linear-gradient(178deg, rgba(0,0,0,.24) 0%, transparent 36%, rgba(0,0,0,.32) 100%),
    repeating-linear-gradient(93deg,
      #d8c85a 0px, #8f8a3f 18px, #efe4a0 34px, #55523a 52px,
      #3f3f66 66px, #b9ae52 88px, #6f6b45 108px, #e7dc93 126px, #d8c85a 148px);
}
.media--green::before {
  background:
    linear-gradient(200deg, rgba(0,0,0,.2) 0%, transparent 42%, rgba(0,0,0,.28) 100%),
    repeating-linear-gradient(26deg,
      #63864a 0px, #9db86e 22px, #eef3e0 40px, #46603a 62px,
      #b6cd93 84px, #7d9a58 106px, #63864a 128px);
}
.media--rose::before {
  background:
    linear-gradient(190deg, rgba(0,0,0,.18) 0%, transparent 44%, rgba(0,0,0,.26) 100%),
    repeating-linear-gradient(16deg,
      #6e8a4c 0px, #a8b57a 24px, #e4c6cc 44px, #4f6a3c 70px,
      #d8b4a6 92px, #8fa563 116px, #6e8a4c 140px);
}

/* ---------- Widgets d'interface en surimpression ---------- */
.widget {
  position: relative;
  z-index: 1;
  width: min(52%, 26rem);
  min-width: 16rem;
  padding: .85rem 1rem;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.86);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5), 0 18px 40px -22px rgba(0,0,0,.5);
  font-size: .875rem;
}
.widget--prompt {
  display: flex;
  align-items: center;
  gap: .6rem;
  border-radius: var(--pill);
  padding: .55rem .75rem;
  color: var(--muted);
}
.widget__round {
  display: grid; place-items: center;
  width: 22px; height: 22px;
  border: 0; padding: 0;
  background: transparent;
  color: var(--ink-soft);
}
.widget__round .icon { width: 18px; height: 18px; }
.widget__placeholder { flex: 1; color: transparent; }
.widget__actions { display: flex; align-items: center; gap: .5rem; color: var(--ink-soft); }
.widget__actions .icon { width: 16px; height: 16px; }
.widget__send {
  display: grid; place-items: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px var(--line);
}
.widget__send .icon { width: 13px; height: 13px; }

.widget--notif { background: rgba(255,255,255,.62); }
.widget__head {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .5rem;
}
.widget__title { font-weight: 500; }
.widget__time { margin-left: auto; font-size: .75rem; color: var(--muted-light); }
.widget__line { margin: 0; line-height: 1.35; }
.widget__line--mono { font-family: var(--mono); font-size: .8125rem; color: var(--muted); }

.widget--task { width: min(60%, 28rem); }
.widget__row { display: flex; align-items: center; gap: .6rem; }
.widget__chip {
  flex: 1;
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .7rem;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,.9);
  color: var(--ink-soft);
}
.widget__chip .icon { width: 14px; height: 14px; color: var(--muted); }
.widget__chip-state { margin-left: auto; font-size: .8125rem; color: var(--muted-light); }

.spinner {
  width: 14px; height: 14px;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--line);
  border-top-color: var(--muted);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   Statistique + cartes flottantes
   ========================================================= */
.stat {
  position: relative;
  min-height: 118svh;
  display: grid;
  place-items: center;
  padding: clamp(5rem, 12vw, 12rem) var(--gutter);
  overflow: hidden;
}
.stat__figure { margin: 0; text-align: center; }
.stat__figure .display--md { margin-top: .1em; }

.stat__float {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  width: min(23rem, 34vw);
  transform: translate3d(0, calc(var(--p, 0) * var(--dy, 0px)), 0);
  will-change: transform;
}
.stat__float--tl { top: 12%; left: max(2vw, -3rem); }
.stat__float--tr { top: 4%;  right: 3vw; width: min(15rem, 22vw); }
.stat__float--bl { bottom: 8%; left: 6vw; }
.stat__float--br { bottom: 4%; right: 4vw; align-items: flex-start; }

/* Vignettes : substituts de photographies */
.thumb {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-md);
  filter: saturate(105%);
}
.thumb--gold {
  background:
    linear-gradient(184deg, rgba(0,0,0,.35) 0%, transparent 45%, rgba(0,0,0,.4) 100%),
    repeating-linear-gradient(96deg,
      #4a5636 0px, #cdbd53 9px, #6b7440 19px, #e6d97f 28px,
      #39422c 40px, #a89a45 52px, #4a5636 64px);
}
.thumb--slate {
  aspect-ratio: 1 / 1.15;
  background:
    linear-gradient(200deg, rgba(0,0,0,.25) 0%, transparent 50%, rgba(0,0,0,.35) 100%),
    repeating-linear-gradient(88deg,
      #4a5352 0px, #97a3a1 22px, #cfd9db 38px, #6e7a79 58px,
      #37403f 78px, #8b9796 100px, #4a5352 124px);
}
.thumb--desk {
  aspect-ratio: 1 / 1;
  background:
    linear-gradient(160deg, rgba(0,0,0,.15) 0%, transparent 48%, rgba(0,0,0,.3) 100%),
    repeating-linear-gradient(112deg,
      #6d675e 0px, #b9b1a4 18px, #efe9e0 34px, #8d8578 56px,
      #4d4842 76px, #a49b8d 98px, #6d675e 120px);
}

.card {
  padding: .8rem .9rem;
  border-radius: var(--r-md);
  background: var(--bg-warm);
  box-shadow: var(--shadow-card);
  font-size: .875rem;
}
.card__head { display: flex; align-items: center; gap: .55rem; }
.card__name { font-weight: 500; }
.card__sub { display: block; color: var(--muted-light); }
.card__amount { margin-left: auto; font-family: var(--mono); font-size: .8125rem; }
.card__inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: .55rem;
  padding: .7rem .8rem;
  border-radius: var(--r-sm);
  background: var(--card);
}
.card__inner > div { min-width: 0; }
.card--stacked { width: min(20rem, 30vw); }

.logo-chip {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1c2b4a 0%, #2f6fb0 55%, #7fc4a0 100%);
}

.steps, .rows { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .35rem; }
.steps li { display: flex; align-items: center; gap: .45rem; color: var(--ink-soft); }
.steps time { font-family: var(--mono); font-size: .75rem; color: var(--muted-light); }
.icon--ok { width: 15px; height: 15px; color: var(--green); }

.rows li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .45rem .55rem;
  border-radius: var(--r-sm);
  background: var(--card);
  color: var(--ink-soft);
  font-size: .8125rem;
}
.rows .mono { color: var(--green); }
.rows li:last-child .mono { color: var(--muted); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: .55rem 0 0;
  padding: .18rem .5rem;
  border-radius: var(--r-sm);
  background: var(--green-soft);
  color: var(--green);
  font-size: .75rem;
}
.badge time { color: var(--muted); }

@media (max-width: 900px) {
  .stat { min-height: auto; }
  .stat__float { display: none; }
}

/* =========================================================
   Preuve sociale, carte à points
   ========================================================= */
.proof {
  padding: clamp(2rem, 5vw, 5rem) var(--gutter) clamp(4rem, 9vw, 9rem);
  text-align: center;
}
.proof .display { font-size: clamp(2.2rem, 6vw, 4.5rem); margin-bottom: clamp(2rem, 5vw, 4rem); }
.proof__map { max-width: 68rem; margin: 0 auto; }
.proof__map svg { width: 100%; height: auto; }
.proof__map .dot { fill: rgba(16,15,13,.10); }
.proof__map .bloom { color: var(--ink); opacity: 0; transform-box: fill-box; transform-origin: center; }
.proof__map .bloom.is-in { animation: pop .55s cubic-bezier(.2,.8,.3,1) forwards; }

@keyframes pop {
  from { opacity: 0; transform: scale(.2); }
  to   { opacity: 1; transform: scale(1); }
}

/* =========================================================
   Fonctionnement
   ========================================================= */
.how {
  padding: 0 var(--gutter) clamp(6rem, 14vw, 14rem);
  text-align: center;
}
.how .display { font-size: clamp(2.2rem, 6vw, 4.5rem); margin-bottom: clamp(3rem, 8vw, 7rem); }
.how__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(2.5rem, 6vw, 4.5rem);
  max-width: 78rem;
  margin: 0 auto;
  text-align: left;
}
.step__icon { width: 100%; height: clamp(7rem, 12vw, 10rem); color: var(--ink); }
.rule { height: 1px; background: var(--line); margin: 2rem 0 1.1rem; }
.step h3 {
  margin: 0 0 .4rem;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -.01em;
}
.step p { margin: 0; font-size: .875rem; line-height: 1.55; color: var(--muted); max-width: 30rem; }

/* =========================================================
   FAQ
   ========================================================= */
.faq { padding: 0 var(--gutter) clamp(6rem, 12vw, 12rem); text-align: center; }
.faq .display { font-size: clamp(2.6rem, 7vw, 5rem); margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.faq__list { max-width: 30rem; margin: 0 auto; text-align: left; display: grid; gap: .5rem; }

.qa {
  border-radius: var(--r-lg);
  background: var(--card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.qa summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  font-size: .9375rem;
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:focus-visible { outline: 2px solid var(--ink); outline-offset: -3px; }
.chev {
  width: 18px; height: 18px;
  margin-left: auto;
  flex: none;
  color: var(--muted);
  transition: transform .28s cubic-bezier(.2,.7,.2,1);
}
.qa[open] .chev { transform: rotate(180deg); }

.qa__wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s cubic-bezier(.2,.7,.2,1);
}
.qa[open] .qa__wrap { grid-template-rows: 1fr; }
.qa__body { overflow: hidden; }
.qa__body p {
  margin: 0;
  padding: 0 1.35rem 1.25rem;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--muted);
}

/* =========================================================
   CTA final
   ========================================================= */
.closing {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(4rem, 10vw, 8rem) var(--gutter);
  margin: 0 clamp(0px, 1vw, 1rem);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
  text-align: center;
}
.closing__stage { position: absolute; inset: 0; z-index: -1; overflow: hidden; background: #b9861a; }
.closing__body { display: grid; justify-items: center; gap: 1.75rem; }
.closing .display--hero { text-shadow: 0 2px 44px rgba(0,0,0,.3); }

/* =========================================================
   Footer
   ========================================================= */
.foot {
  position: relative;
  padding: clamp(3rem, 7vw, 5rem) var(--gutter) 0;
  background: var(--bg);
  overflow: hidden;
}
.foot__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 2.5rem;
  max-width: 78rem;
  margin: 0 auto;
}
.foot__col { display: grid; align-content: start; gap: .5rem; font-size: .875rem; }
.foot__col a { color: var(--ink-soft); width: max-content; }
.foot__col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot__legal { margin: .75rem 0 0; color: var(--muted); line-height: 1.6; }

.foot__wordmark {
  margin: clamp(1rem, 3vw, 2rem) 0 -.12em;
  font-family: var(--serif);
  font-size: clamp(6rem, 25vw, 24rem);
  line-height: .78;
  letter-spacing: -.03em;
  text-align: center;
  color: transparent;
  background: linear-gradient(180deg, rgba(16,15,13,.09) 0%, rgba(16,15,13,.02) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
}

/* =========================================================
   Adaptations mobiles
   ========================================================= */
@media (max-width: 860px) {
  /* Pas d'empilement collant en une colonne : les panneaux se recouvriraient
     et le texte, sans fond, deviendrait illisible. */
  .panel {
    position: static;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    margin-bottom: clamp(3rem, 9vw, 5rem);
  }
  .panel__text,
  .panel__media,
  .panel--flip .panel__text,
  .panel--flip .panel__media { grid-column: 1; grid-row: auto; }
  .panel__media { aspect-ratio: 4 / 3; border-radius: var(--r-lg); }
  .panel__text p { max-width: none; }
  .widget, .widget--task { width: min(88%, 24rem); }
}

@media (max-width: 520px) {
  .qa summary { padding: 1rem 1.1rem; }
  .qa__body p { padding: 0 1.1rem 1.1rem; }
}

/* Impression : la mise en page écran ne suit pas, on repasse à plat */
@media print {
  .nav, .plate, .grain, .stat__float { display: none !important; }
  .hero, .closing { min-height: auto; color: var(--ink); }
  .panel { position: static; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .plate { opacity: 0; }
  .plate.is-on { opacity: 1; }
  .stat__float { transform: none; }
}