/* ─────────────────────────────────────────────
   Kyma Studio · système visuel
   Palette Kyma + structure "split-canvas" (nuit / sable)
   ───────────────────────────────────────────── */

:root {
  /* Palette de marque */
  --abyss: #0B2D4D;
  --abyss-deep: #07203A;
  --teal: #0E6B7A;
  --lagoon: #5FB7B2;
  --mist: #D9E8E3;
  --sand: #F5EBD7;
  --paper: #FBF6EC;
  --loss: #A0522D;

  /* Rôles, surfaces claires */
  --ink: #0B2D4D;
  --ink-soft: #3E5467;
  --hair: rgba(11, 45, 77, .14);
  --card: #FFFDF8;

  /* Rôles, surfaces sombres */
  --on-night: #F5EBD7;
  --on-night-soft: rgba(245, 235, 215, .72);
  --hair-night: rgba(245, 235, 215, .16);

  /* Bandes */
  --band-sand: var(--sand);
  --band-paper: var(--paper);
  --band-mist: var(--mist);
  --band-night: var(--abyss);
  --band-deep: var(--abyss-deep);

  /* Typo */
  --display: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --sans: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --quote: "Newsreader", Georgia, "Times New Roman", serif;

  /* Formes */
  --r-card: 24px;
  --r-img: 24px;
  --r-pill: 300px;

  /* Rythme */
  --gutter: clamp(20px, 5vw, 64px);
  --section: clamp(88px, 11vw, 150px);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F1E8D4;
    --ink-soft: rgba(241, 232, 212, .74);
    --hair: rgba(241, 232, 212, .14);
    --card: #15283D;
    --band-sand: #0F2236;
    --band-paper: #122840;
    --band-mist: #16304A;
    --band-night: #07192B;
    --band-deep: #041220;
    --loss: #D28E62;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--band-sand);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* grain papier, fixe et inerte */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 90; pointer-events: none;
  opacity: .06; mix-blend-mode: multiply;
  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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, blockquote, figure, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
em { font-style: normal; }
:focus-visible { outline: 2px solid var(--lagoon); outline-offset: 3px; border-radius: 4px; }

.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--sand); color: var(--abyss); padding: 10px 18px; border-radius: var(--r-pill); }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter); }
.ic { width: 1.05em; height: 1.05em; fill: currentColor; flex: none; }

/* ── Bandes ── */
.band { position: relative; }
.band--sand  { background: var(--band-sand); }
.band--paper { background: var(--band-paper); }
.band--mist  { background: var(--band-mist); }
.band--night { background: var(--band-night); color: var(--on-night); --ink: var(--on-night); --ink-soft: var(--on-night-soft); --hair: var(--hair-night); }
.band--deep  { background: var(--band-deep);  color: var(--on-night); --ink: var(--on-night); --ink-soft: var(--on-night-soft); --hair: var(--hair-night); }
.section { padding-block: var(--section); }

@media (prefers-color-scheme: dark) {
  .band--mist { --ink-soft: rgba(241, 232, 212, .74); }
}

/* ── Typographie ── */
.display {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(46px, 6.4vw, 96px);
  line-height: .98;
  letter-spacing: -.045em;
}
.h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: -.04em;
  text-wrap: balance;
}
.h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(23px, 2vw, 28px);
  line-height: 1.15;
  letter-spacing: -.025em;
}
.display em, .h2 em, .h3 em { font-weight: 300; }
.band--night .display em, .band--night .h2 em, .band--deep .h2 em { color: var(--lagoon); }
.band--sand .h2 em, .band--paper .h2 em, .band--mist .h2 em { color: var(--teal); }
@media (prefers-color-scheme: dark) {
  .band--sand .h2 em, .band--paper .h2 em, .band--mist .h2 em { color: var(--lagoon); }
}
.lead {
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--ink-soft);
  max-width: 34em;
}
.body { color: var(--ink-soft); max-width: 36em; }
.label {
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal);
}
.label--lagoon { color: var(--lagoon); }

/* ── Boutons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 54px; padding: 16px 30px;
  border-radius: var(--r-pill); border: 0;
  font: 600 13px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap;
  text-decoration: none; cursor: pointer;
  transition: transform .5s var(--ease), background-color .3s, color .3s;
}
.btn .ic { transition: transform .5s var(--ease); }
.btn:hover .ic { transform: translateX(4px); }
.btn:active { transform: scale(.98); }
.btn--sand { background: var(--sand); color: var(--abyss); }
.btn--sand:hover { background: #fff; }
.btn--navy { background: var(--abyss); color: var(--sand); }
.btn--navy:hover { background: var(--teal); }
@media (prefers-color-scheme: dark) {
  .btn--navy { background: var(--sand); color: var(--abyss); }
  .btn--navy:hover { background: #fff; }
}
.btn--sm { min-height: 44px; padding: 12px 22px; font-size: 12px; }

.link-quiet {
  font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  color: var(--on-night); padding-block: 12px;
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  transition: background-size .5s var(--ease);
}
.link-quiet:hover { background-size: 0 1px; background-position: 100% 100%; }

.icon-btn {
  width: 52px; height: 52px; border-radius: var(--r-pill);
  display: grid; place-items: center; cursor: pointer;
  background: transparent; color: var(--ink); border: 1.5px solid var(--hair);
  transition: background-color .3s, border-color .3s, transform .4s var(--ease);
}
.icon-btn:hover { border-color: var(--ink); }
.icon-btn:active { transform: scale(.95); }
.icon-btn:disabled { opacity: .35; cursor: default; }

/* ── Navigation ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: transparent; color: var(--on-night);
  transition: background-color .4s, box-shadow .4s;
}
.nav.is-solid {
  background: color-mix(in srgb, var(--band-night) 86%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: inset 0 -1px 0 var(--hair-night);
}
.nav__inner {
  max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter);
  height: 76px; display: flex; align-items: center; gap: 32px;
}
.wordmark { display: inline-flex; align-items: baseline; gap: 12px; text-decoration: none; }
.wordmark__kyma { font: 400 21px/1 var(--sans); letter-spacing: .42em; margin-right: -.42em; }
.wordmark__studio { font: 500 10px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; color: var(--lagoon); }
.nav__links { display: flex; gap: 32px; margin-left: auto; }
.nav__links a {
  font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--on-night-soft); transition: color .3s;
}
.nav__links a:hover { color: var(--on-night); }
.nav__burger { display: none; }
.menu { display: none; }

@media (max-width: 1060px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger {
    display: grid; place-content: center; gap: 7px; margin-left: auto;
    width: 48px; height: 48px; border-radius: var(--r-pill);
    background: transparent; border: 1.5px solid var(--hair-night); cursor: pointer;
  }
  .nav__burger span:not(.sr) { width: 18px; height: 1.5px; background: var(--on-night); transition: transform .4s var(--ease); }
  .nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4.25px) rotate(45deg); }
  .nav__burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4.25px) rotate(-45deg); }
  .menu:not([hidden]) {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; left: 0; right: 0; top: 100%;
    height: calc(100dvh - 76px); overflow-y: auto;
    padding: 24px var(--gutter) 40px;
    background: var(--band-night);
  }
  .menu a:not(.btn) {
    font: 500 34px/1.2 var(--display); letter-spacing: -.03em; text-decoration: none; padding-block: 10px;
    border-bottom: 1px solid var(--hair-night);
  }
  .menu .btn { margin-top: 28px; }
}

/* ── Hero ── */
.hero {
  min-height: 100dvh;
  display: flex; align-items: center;
  margin-top: -76px;
  padding-block: calc(76px + clamp(40px, 6vw, 80px)) clamp(72px, 9vw, 120px);
  overflow: hidden; isolation: isolate;
}
.hero__media, .final__media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero__media img, .final__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media img { object-position: 30% 60%; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 18, 32, .82) 0%, rgba(4, 18, 32, .55) 45%, rgba(4, 18, 32, .15) 100%),
    linear-gradient(180deg, rgba(4, 18, 32, .35) 0%, rgba(4, 18, 32, 0) 30%, rgba(4, 18, 32, .5) 100%);
}
@media (prefers-reduced-motion: no-preference) {
  .hero__media img { animation: settle 2.8s var(--ease) both; }
  @keyframes settle { from { transform: scale(1.08); opacity: .4; } to { transform: none; opacity: 1; } }
}
.hero__grid {
  display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
  gap: clamp(40px, 6vw, 96px); align-items: center;
}
.hero__copy .label { margin-bottom: 28px; }
.hero__lead { margin-top: 32px; max-width: 27em; }
.hero__cta { margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; }

/* fil de messages */
.thread {
  position: relative;
  padding: 22px;
  border-radius: 30px;
  background: linear-gradient(160deg, rgba(245, 235, 215, .10), rgba(245, 235, 215, .03)), rgba(7, 32, 58, .55);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: inset 0 1px 0 rgba(245, 235, 215, .18), inset 0 0 0 1px rgba(245, 235, 215, .10), 0 30px 80px rgba(2, 14, 28, .45);
  font-size: 15px;
}
.thread__head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase;
  color: var(--on-night-soft); padding: 2px 6px 18px;
}
.thread__chan { color: var(--lagoon); }
.msg {
  position: relative; max-width: 88%;
  padding: 14px 16px 26px; border-radius: 20px;
  line-height: 1.45;
}
.msg time { position: absolute; right: 14px; bottom: 8px; font-size: 11px; opacity: .6; }
.msg--in { background: rgba(245, 235, 215, .09); border-bottom-left-radius: 6px; color: var(--on-night); }
.msg--out { margin-left: auto; background: var(--sand); color: var(--abyss); border-bottom-right-radius: 6px; }
.msg__tr { margin-top: 8px; font-size: 13px; line-height: 1.45; opacity: .66; }
.msg__commit {
  margin-top: 10px; padding-top: 10px; border-top: 1px solid rgba(11, 45, 77, .16);
  font-weight: 500; color: var(--teal);
}
.thread__sys {
  margin: 14px auto; width: fit-content; max-width: 100%;
  padding: 7px 14px; border-radius: var(--r-pill);
  border: 1px solid var(--hair-night);
  font-size: 12px; color: var(--on-night-soft); text-align: center;
}
.thread__foot {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 18px; padding: 16px 6px 2px; border-top: 1px solid var(--hair-night);
}
.thread__foot span { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--on-night-soft); }
.thread__foot strong { font: 500 30px/1 var(--display); letter-spacing: -.03em; color: var(--lagoon); font-variant-numeric: tabular-nums; }

/* ── Constat ── */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(48px, 8vw, 120px); align-items: start; }
.split__sticky { position: sticky; top: 120px; }
.split__intro { margin-top: 28px; }
.loss { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--hair); }
.loss__fig {
  font: 500 clamp(38px, 4.4vw, 60px)/1 var(--display); letter-spacing: -.045em;
  color: var(--loss); font-variant-numeric: tabular-nums; white-space: nowrap;
}
.loss__cap { margin-top: 12px; color: var(--ink-soft); font-size: 15px; max-width: 30em; }
.loss-ink { color: var(--loss); }

.leaks { display: grid; gap: 16px; }
.leak {
  padding: 30px 32px; border-radius: var(--r-card);
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--hair);
}
.leak__when { font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; }
@media (prefers-color-scheme: dark) { .leak__when { color: var(--lagoon); } }
.leak__data { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.leak__data dt { font-size: 13px; color: var(--ink-soft); }
.leak__data dd { font-size: 17px; font-weight: 400; margin-top: 2px; }

.study { margin-top: 16px; padding: 32px; border-radius: var(--r-card); background: var(--abyss); color: var(--sand); }
@media (prefers-color-scheme: dark) { .study { background: var(--band-night); box-shadow: inset 0 0 0 1px var(--hair); } }
.study__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.study__stats strong { display: block; font: 500 clamp(32px, 3vw, 42px)/1 var(--display); color: var(--lagoon); letter-spacing: -.04em; white-space: nowrap; }
.study__stats span { display: block; margin-top: 10px; font-size: 14px; line-height: 1.45; color: rgba(245, 235, 215, .78); }
.study__src { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--hair-night); font-size: 13px; color: rgba(245, 235, 215, .6); }

/* ── Systèmes : carrousel ── */
.sys__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 56px; }
.sys__head .h2 { max-width: 11em; }
.car-ctrl { display: flex; gap: 12px; }
.car { overflow: hidden; }
.car__track {
  display: flex; gap: 24px;
  overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding-inline: max(var(--gutter), calc((100vw - 1280px) / 2 + var(--gutter)));
  scroll-padding-inline: max(var(--gutter), calc((100vw - 1280px) / 2 + var(--gutter)));
  padding-bottom: 4px;
}
.car__track::-webkit-scrollbar { display: none; }
.story {
  position: relative; flex: 0 0 clamp(290px, 29vw, 380px); aspect-ratio: 3 / 4;
  border-radius: var(--r-card); overflow: hidden; scroll-snap-align: start;
  background: var(--abyss); color: #fff; isolation: isolate;
}
.story img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: saturate(.92);
  transform: scale(1.04); transition: transform 1.2s var(--ease);
}
.story:hover img { transform: scale(1.1); }
.story::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(4, 20, 36, .62) 0%, rgba(4, 20, 36, .12) 32%, rgba(4, 20, 36, 0) 52%, rgba(4, 20, 36, .74) 100%);
}
.story__top { padding: 26px 26px 0; }
.story__title { font: 500 24px/1.12 var(--display); letter-spacing: -.025em; max-width: 10em; text-wrap: balance; }
.story__metric { position: absolute; left: 26px; bottom: 26px; }
.story__metric strong { display: block; font: 500 32px/1 var(--display); letter-spacing: -.04em; }
.story__metric span { display: block; margin-top: 8px; font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; }
.story__btn {
  position: absolute; right: 20px; bottom: 20px; z-index: 3;
  width: 44px; height: 44px; border-radius: var(--r-pill);
  display: grid; place-items: center; cursor: pointer;
  background: rgba(255, 255, 255, .08); color: #fff; border: 1px solid rgba(255, 255, 255, .8);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transition: transform .5s var(--ease), background-color .3s, color .3s;
}
.story__btn:hover { background: #fff; color: var(--abyss); }
.story__btn[aria-expanded="true"] { transform: rotate(45deg); background: var(--sand); color: var(--abyss); border-color: var(--sand); }
.story__detail {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 18px;
  padding: 26px 26px 84px;
  background: rgba(7, 32, 58, .94);
  font-size: 16px; line-height: 1.55; color: rgba(245, 235, 215, .9);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: opacity .45s var(--ease), transform .6s var(--ease), visibility 0s .45s;
}
.story.is-open .story__detail { opacity: 1; visibility: visible; transform: none; transition: opacity .45s var(--ease), transform .6s var(--ease), visibility 0s; }
.story__result { font: 500 18px/1.35 var(--sans); letter-spacing: -.01em; color: var(--lagoon); }
.car-dots { display: flex; justify-content: center; gap: 10px; margin-top: 36px; }
.car-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--hair); transition: background-color .3s, transform .3s; }
.car-dots i.is-on { background: var(--ink); transform: scale(1.2); }

/* ── Maisons ── */
.houses { padding-block: clamp(80px, 9vw, 120px); overflow: hidden; }
.houses__title { font: 400 clamp(18px, 1.6vw, 22px)/1.4 var(--sans); color: var(--on-night-soft); max-width: 26em; }
.marquee { margin-block: clamp(40px, 5vw, 64px); }
.marquee__track { display: flex; align-items: center; gap: 0 clamp(28px, 3vw, 48px); width: max-content; animation: slide 46s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span { font: 300 clamp(44px, 6.2vw, 92px)/1.1 var(--display); letter-spacing: -.045em; white-space: nowrap; padding-bottom: .08em; }
.marquee i { width: 14px; height: 14px; border-radius: 50%; background: var(--lagoon); flex: none; }
@keyframes slide { to { transform: translateX(-50%); } }
.langs { display: flex; flex-wrap: wrap; gap: 12px 36px; font-size: 15px; letter-spacing: .12em; color: var(--on-night-soft); }
.langs span:first-child { color: var(--lagoon); }

/* ── Humain ── */
.manifesto {
  font: 400 clamp(30px, 3.6vw, 50px)/1.14 var(--display); letter-spacing: -.035em;
  max-width: 17em; text-wrap: balance; margin-bottom: clamp(56px, 7vw, 96px);
}
.manifesto em { color: var(--teal); font-weight: 300; }
@media (prefers-color-scheme: dark) { .manifesto em { color: var(--lagoon); } }
.feature {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(32px, 5vw, 72px); align-items: center;
  padding: clamp(16px, 2vw, 24px); border-radius: 32px; background: var(--band-mist);
}
@media (prefers-color-scheme: dark) { .feature { background: var(--card); } }
.feature__img { width: 100%; height: 100%; min-height: 460px; object-fit: cover; object-position: 40% 50%; border-radius: var(--r-img); }
.feature__body { padding: clamp(8px, 3vw, 40px) clamp(8px, 3vw, 40px) clamp(8px, 3vw, 40px) 0; }
.feature__body .body { margin-top: 18px; }
.feature__quote {
  margin-top: 32px; padding-left: 22px; border-left: 2px solid var(--teal);
  font: italic 400 clamp(25px, 2.4vw, 33px)/1.25 var(--quote); letter-spacing: -.01em; color: var(--ink);
}
.ticks { margin-top: 32px; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 12px; align-items: baseline; font-size: 16px; color: var(--ink-soft); }
.ticks .ic { color: var(--teal); transform: translateY(2px); }
@media (prefers-color-scheme: dark) { .ticks .ic, .feature__quote { border-color: var(--lagoon); } .ticks .ic { color: var(--lagoon); } }

/* ── Preuve ── */
.proof__title { margin-top: 24px; max-width: 12em; }
.proof__intro { margin-top: 28px; }
.proof {
  margin-top: clamp(56px, 6vw, 80px);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px;
}
.proof__cell {
  padding: 28px; border-radius: var(--r-card);
  background: rgba(245, 235, 215, .05); box-shadow: inset 0 0 0 1px var(--hair-night);
  display: flex; flex-direction: column;
}
.proof__lang { font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--on-night-soft); }
.proof__time { font: 400 clamp(56px, 5.6vw, 84px)/.95 var(--display); letter-spacing: -.055em; color: var(--lagoon); margin-block: 26px 22px; white-space: nowrap; }
.proof__what { margin-top: auto; font-size: 15px; line-height: 1.5; color: var(--on-night-soft); }
.proof__cell--silence {
  grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: end; gap: 32px;
  background: var(--sand); color: var(--abyss); box-shadow: none;
}
.proof__cell--silence .proof__lang { color: rgba(11, 45, 77, .7); }
.proof__cell--silence .proof__time { color: var(--abyss); margin-bottom: 0; font-weight: 300; }
.proof__close { font: 500 clamp(22px, 2.1vw, 30px)/1.22 var(--display); letter-spacing: -.03em; max-width: 19em; text-wrap: balance; }
.proof__close em { color: var(--teal); font-weight: 400; }

.limits { margin-top: 24px; border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair-night); }
.limits summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 28px; font-size: 13px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
}
.limits summary::-webkit-details-marker { display: none; }
.limits .ic { transition: transform .5s var(--ease); }
.limits[open] .ic { transform: rotate(45deg); }
.limits ul { padding: 0 28px 26px; display: grid; gap: 12px; color: var(--on-night-soft); font-size: 16px; max-width: 58em; }
.limits li { padding-left: 18px; position: relative; }
.limits li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 1px; background: var(--lagoon); }

/* ── Engagements : bento ── */
.eng__intro { margin-top: 24px; }
.bento {
  margin-top: clamp(56px, 6vw, 80px);
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: minmax(300px, auto); gap: 16px;
}
.tile {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(28px, 3vw, 40px); border-radius: var(--r-card);
  display: flex; flex-direction: column;
}
.tile:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.tile:nth-child(2) { grid-column: span 5; }
.tile:nth-child(3) { grid-column: span 5; }
.tile:nth-child(4) { grid-column: span 12; flex-direction: row; align-items: center; gap: clamp(24px, 4vw, 64px); min-height: 0; }
.tile__num { font: 400 clamp(50px, 5.2vw, 80px)/.92 var(--display); letter-spacing: -.055em; white-space: nowrap; }
.tile__t { font: 500 clamp(20px, 1.7vw, 24px)/1.25 var(--display); letter-spacing: -.02em; margin-top: 20px; max-width: 16em; }
.tile__b { margin-top: 14px; font-size: 16px; line-height: 1.55; max-width: 30em; }
.tile--photo { color: #fff; justify-content: flex-end; background: var(--abyss); }
.tile--photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.6s var(--ease); }
.tile--photo:hover img { transform: scale(1.04); }
.tile--photo::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(4, 20, 36, .05) 30%, rgba(4, 20, 36, .72)); }
.tile--photo .tile__num { font-size: clamp(96px, 12vw, 180px); color: var(--sand); }
.tile--photo .tile__b { color: rgba(255, 255, 255, .82); }
.tile--paper { background: var(--card); box-shadow: inset 0 0 0 1px var(--hair); }
.tile--paper .tile__b { color: var(--ink-soft); }
.tile--paper .tile__num { color: var(--teal); }
@media (prefers-color-scheme: dark) { .tile--paper .tile__num { color: var(--lagoon); } }
.tile--teal { background: var(--teal); color: #fff; }
.tile--teal .tile__b { color: rgba(255, 255, 255, .86); }
.tile--mist { background: var(--abyss); color: var(--sand); }
.tile--mist .tile__t { margin-top: 0; }
.tile--mist .tile__b { margin-top: 6px; color: rgba(245, 235, 215, .74); }
.tile--mist .tile__num { color: var(--lagoon); }
@media (prefers-color-scheme: dark) { .tile--mist { background: var(--band-mist); } }
.center-cta { margin-top: clamp(48px, 6vw, 72px); display: flex; justify-content: center; }

/* ── Méthode ── */
.method__title { max-width: 13em; }
.rail {
  position: relative; margin-top: clamp(56px, 7vw, 96px);
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px;
  padding-top: 40px;
}
.rail::before, .rail::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; }
.rail::before { background: var(--hair); }
.rail::after { background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform 1.8s var(--ease) .2s; }
.rail.is-in::after { transform: scaleX(1); }
.rail__step { position: relative; }
.rail__step::before {
  content: ""; position: absolute; top: -46px; left: 0;
  width: 11px; height: 11px; border-radius: 50%; background: var(--band-mist); box-shadow: inset 0 0 0 1.5px var(--ink);
}
.rail__dur { font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--teal); }
@media (prefers-color-scheme: dark) { .rail__dur { color: var(--lagoon); } }
.rail__name { font: 500 clamp(24px, 2vw, 30px)/1.05 var(--display); margin-top: 14px; letter-spacing: -.035em; }
.rail__b { margin-top: 14px; font-size: 16px; line-height: 1.55; color: var(--ink-soft); }
.method__note { margin-top: clamp(48px, 6vw, 72px); padding-top: 24px; border-top: 1px solid var(--hair); font-size: 15px; color: var(--ink-soft); max-width: 62em; }

/* ── Offres ── */
.offers__title { max-width: 12em; }
.offers__intro { margin-top: 24px; }
.plans { margin-top: clamp(56px, 6vw, 80px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan {
  position: relative; padding: 36px 32px; border-radius: var(--r-card);
  background: rgba(245, 235, 215, .04); box-shadow: inset 0 0 0 1px var(--hair-night);
  display: flex; flex-direction: column;
  transition: transform .6s var(--ease);
}
.plan:hover { transform: translateY(-4px); }
.plan--featured { background: var(--sand); color: var(--abyss); box-shadow: none; }
.plan__tag {
  position: absolute; top: 28px; right: 28px;
  padding: 7px 14px; border-radius: var(--r-pill); background: var(--abyss); color: var(--sand);
  font-size: 11px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
}
.plan__name { font: 600 14px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.plan__pitch { margin-top: 12px; font: 400 18px/1.35 var(--sans); color: var(--on-night-soft); }
.plan--featured .plan__pitch { color: rgba(11, 45, 77, .75); }
.plan__price { margin-top: 36px; font: 500 clamp(44px, 3.8vw, 58px)/.95 var(--display); letter-spacing: -.05em; white-space: nowrap; }
.plan__month { margin-top: 10px; font-size: 15px; color: var(--on-night-soft); }
.plan--featured .plan__month { color: rgba(11, 45, 77, .75); }
.plan__list { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--hair-night); display: grid; gap: 14px; font-size: 16px; line-height: 1.4; }
.plan--featured .plan__list { border-color: rgba(11, 45, 77, .15); }
.plan__list li { display: flex; gap: 12px; align-items: baseline; }
.plan__list .ic { color: var(--lagoon); transform: translateY(3px); }
.plan--featured .plan__list .ic { color: var(--teal); }
.offers__legal { margin-top: 32px; font-size: 14px; color: var(--on-night-soft); max-width: 60em; }

/* ── Studio ── */
.founder { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1fr); gap: clamp(48px, 8vw, 120px); align-items: center; }
.founder__mosaic { display: grid; grid-template-columns: 1fr 1.05fr; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 16px; aspect-ratio: 1 / 1.05; }
.founder__mosaic img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--r-img); }
.founder__mosaic img:nth-child(1) { grid-row: span 2; }
.founder__mark { object-fit: contain !important; background: #EFDCBB; padding: 18%; }
.founder__copy .body { margin-top: 28px; }
.founder__quote { margin-top: 40px; }
.founder__quote p { font: italic 400 clamp(26px, 2.6vw, 36px)/1.2 var(--quote); letter-spacing: -.01em; }
.founder__quote em { color: var(--teal); }
@media (prefers-color-scheme: dark) { .founder__quote em { color: var(--lagoon); } }
.founder__quote footer { margin-top: 18px; font-size: 13px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }
.founder__tools { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--hair); font-size: 14px; color: var(--ink-soft); }

/* ── FAQ ── */
.faq { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 7vw, 112px); align-items: start; }
.faq__title { position: sticky; top: 120px; max-width: 9em; }
.faq__list { display: grid; gap: 12px; }
.faq__list details { border-radius: var(--r-card); background: var(--card); box-shadow: inset 0 0 0 1px var(--hair); }
.faq__list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 24px 28px; min-height: 44px;
  font: 500 clamp(18px, 1.5vw, 21px)/1.3 var(--display); letter-spacing: -.02em;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary .ic {
  width: 40px; height: 40px; padding: 11px; border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1.5px var(--hair); transition: transform .5s var(--ease), background-color .3s;
}
.faq__list details[open] summary .ic { transform: rotate(45deg); background: var(--abyss); fill: var(--sand); box-shadow: none; }
@media (prefers-color-scheme: dark) { .faq__list details[open] summary .ic { background: var(--sand); fill: var(--abyss); } }
.faq__list details p { padding: 0 28px 28px; color: var(--ink-soft); max-width: 40em; }

/* ── CTA final ── */
.final { padding-block: clamp(110px, 14vw, 190px); overflow: hidden; isolation: isolate; }
.final__media img { object-position: 70% 50%; }
.final__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(5, 22, 40, .92) 0%, rgba(5, 22, 40, .74) 42%, rgba(5, 22, 40, .12) 78%, rgba(5, 22, 40, .05) 100%);
}
.final__in { display: grid; justify-items: start; gap: 36px; }
.final__title { max-width: 13em; }
.final__lead { max-width: 30em; }
.final__reassure { margin-top: 16px; font-size: 14px; color: var(--on-night-soft); }
.final__alt { padding-top: 28px; border-top: 1px solid var(--hair-night); font-size: 16px; color: var(--on-night-soft); max-width: 44em; }
.final__alt a { color: var(--on-night); text-underline-offset: 4px; }

/* ── Footer ── */
.foot { padding-block: 88px 36px; overflow: hidden; }
.foot__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr 1fr; gap: 40px; }
.foot__tag { font: 500 24px/1.2 var(--display); letter-spacing: -.03em; max-width: 12em; }
.foot__small { margin-top: 20px; font-size: 14px; color: var(--on-night-soft); }
.foot nav { display: grid; align-content: start; gap: 10px; }
.foot nav a { display: inline-flex; gap: 6px; align-items: center; min-height: 32px; font-size: 15px; color: var(--on-night-soft); text-decoration: none; transition: color .3s; }
.foot nav a:hover { color: var(--on-night); }
.foot__h { font-size: 12px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--lagoon); margin-bottom: 8px; }
.foot__word {
  margin-top: 72px; font: 200 clamp(96px, 23vw, 340px)/.8 var(--sans); letter-spacing: .32em; margin-right: -.32em;
  color: transparent; -webkit-text-stroke: 1px rgba(245, 235, 215, .22); text-align: center; white-space: nowrap;
}
.foot__copy { margin-top: 40px; font-size: 13px; color: var(--on-night-soft); }

/* ── Barre CTA mobile ── */
.dock { display: none; }
@media (max-width: 760px) {
  .dock:not([hidden]) {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: var(--band-sand); box-shadow: inset 0 1px 0 var(--hair);
    transform: translateY(110%); transition: transform .5s var(--ease);
  }
  .dock.is-up { transform: none; }
  .dock .btn { width: 100%; }
}

/* ── Apparitions ── */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js [data-thread] [data-step] { opacity: 0; transform: translateY(12px); transition: opacity .7s var(--ease), transform .8s var(--ease); }
  .js [data-thread] [data-step].is-in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; flex-wrap: wrap; width: auto; padding-inline: var(--gutter); gap: 0 28px; }
  .marquee__track > :nth-child(n+13) { display: none; }
  .rail::after { transform: scaleX(1); transition: none; }
  .story img, .btn, .plan { transition: none; }
}

/* ── Responsive ── */
@media (max-width: 1060px) {
  .hero__grid { grid-template-columns: 1fr; }
  .thread { max-width: 520px; }
  .split, .faq, .founder { grid-template-columns: 1fr; }
  .split__sticky, .faq__title { position: static; }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans { grid-template-columns: 1fr; max-width: 560px; }
  .rail { grid-template-columns: 1fr; gap: 36px; padding-top: 0; padding-left: 36px; }
  .rail::before, .rail::after { top: 0; bottom: 0; left: 5px; right: auto; width: 1px; height: auto; }
  .rail::after { transform: scaleY(0); transform-origin: top; }
  .rail.is-in::after { transform: scaleY(1); }
  .rail__step::before { top: 6px; left: -36px; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .founder__mosaic { max-width: 560px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero { min-height: 0; padding-top: calc(76px + 32px); }
  .hero__lead { margin-top: 24px; }
  .hero__cta { margin-top: 32px; }
  .hero__cta .btn { width: 100%; }
  .msg { max-width: 94%; }
  .sys__head { margin-bottom: 36px; }
  .car-ctrl { display: none; }
  .story { flex-basis: 82vw; }
  .leak { padding: 24px; }
  .study { padding: 26px; }
  .study__stats { grid-template-columns: 1fr; gap: 24px; }
  .proof { grid-template-columns: 1fr; }
  .proof__cell--silence { flex-direction: column; align-items: start; }
  .proof__close { text-align: left; }
  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .tile:nth-child(n) { grid-column: auto; grid-row: auto; }
  .tile--photo { min-height: 460px; }
  .tile:nth-child(4) { flex-direction: column; align-items: start; gap: 0; }
  .tile:nth-child(4) .tile__t { margin-top: 20px; }
  .feature { grid-template-columns: 1fr; }
  .feature__img { min-height: 260px; }
  .feature__body { padding: 8px 8px 16px; }
  .center-cta .btn, .final .btn { width: 100%; }
  .final__in > div { width: 100%; }
  .foot__grid { grid-template-columns: 1fr; }
  .foot { padding-bottom: 104px; }
  .faq__list summary { padding: 20px 22px; }
  .faq__list details p { padding: 0 22px 24px; }
  .loss__fig { white-space: normal; }
}

/* Chiffres alignés (placé en fin de fichier : le raccourci font: réinitialise font-variant) */
.display, .h2, .h3, .loss__fig, .study__stats strong, .story__metric strong, .proof__time, .tile__num, .plan__price, .thread__foot strong, .rail__name, .manifesto, .feature__quote {
  font-variant-numeric: lining-nums proportional-nums;
}
.thread__foot strong { font-variant-numeric: lining-nums tabular-nums; }

/* ── Pages légales ── */
.legal { max-width: 860px; }
.legal .h2 { margin-bottom: 32px; }
.legal .h3 { margin-top: 48px; margin-bottom: 14px; }
.legal p { color: var(--ink-soft); max-width: 42em; }
.legal p + p { margin-top: 12px; }
.legal a { text-underline-offset: 3px; }
.legal__date { font-size: 14px; }
.foot__copy a { color: inherit; }