/* Archimède Agency · thème Scrollcraft
   Bordeaux #970000 sur blanc pur. Titres SF Pro Display Light, tracking -4 %.
   Texte SF Pro Medium. Inter en repli hors Apple. */

:root {
  --sc-canvas:     #ffffff;
  --sc-surface:    #f6f4f4;
  --sc-ink:        #161112;
  --sc-ink-soft:   #6b5f61;
  --sc-accent:     #970000;
  --sc-accent-ink: #ffffff;
  --sc-font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  --sc-font-text:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --sc-font-mono:    var(--sc-font-text);
  --sc-shadow-color: 355 30% 12%;

  --bdx: #970000;
  --bdx-deep: #6e0000;
  --line: color-mix(in oklab, var(--sc-ink) 10%, transparent);
  --cal: "https://cal.com/lucas-reverdy-ij6vwk/audit-syndic";
}

body { font-weight: 500; }
.skip { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--bdx); color: #fff; padding: .6rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; }

/* ---------------------------------------------------------------- type -- */
.display {
  font-family: var(--sc-font-display);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-wrap: balance;
  margin: 0;
}
.display--xl { font-size: clamp(2.7rem, 1.4rem + 5.4vw, 6.6rem); line-height: 0.98; }
.display--lg { font-size: clamp(2.3rem, 1.4rem + 3.6vw, 4.6rem); }
.display--md { font-size: clamp(1.9rem, 1.3rem + 2.2vw, 3.2rem); letter-spacing: -0.035em; line-height: 1.06; }
.lede { font-size: clamp(1.1rem, 1rem + .45vw, 1.4rem); line-height: 1.45; letter-spacing: -0.012em; max-width: 44ch; margin: 0; text-wrap: pretty; }
.soft { color: var(--sc-ink-soft); }
.body { color: var(--sc-ink-soft); max-width: 60ch; margin: 0; text-wrap: pretty; }
.eyebrow { font-size: .9rem; letter-spacing: 0; color: var(--bdx); margin: 0 0 1.4rem; }

/* ------------------------------------------------------------- buttons -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 3.1rem; padding: 0 1.6rem; border-radius: 999px;
  background: var(--bdx); color: #fff; text-decoration: none; white-space: nowrap;
  font-size: 1rem; font-weight: 500; letter-spacing: -0.01em;
  box-shadow: 0 1px 2px hsl(355 60% 15% / .25), 0 8px 22px -8px hsl(355 90% 25% / .45);
  transition: background-color 160ms var(--sc-ease-out), transform 140ms var(--sc-ease-out);
}
.btn:hover { background: var(--bdx-deep); }
.btn:active { transform: scale(0.98); }
.btn--sm { height: 2.4rem; padding: 0 1.1rem; font-size: .9rem; box-shadow: none; }
.btn--lg { height: 3.6rem; padding: 0 2.1rem; font-size: 1.08rem; }
.link { color: var(--sc-ink); text-decoration: none; font-size: 1rem; border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: border-color 160ms var(--sc-ease-out); }
.link:hover { border-color: var(--bdx); }

/* ------------------------------------------------------------------ bar -- */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  height: 4rem; padding: 0 var(--sc-gutter);
  background: color-mix(in oklab, #fff 78%, transparent);
  backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px);
  border-bottom: 1px solid var(--line);
}
.bar__brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--sc-ink); }
.bar__name { font-family: var(--sc-font-display); font-weight: 400; font-size: 1.15rem; letter-spacing: -0.03em; }
.tile { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 7px; background: var(--bdx); color: #fff; }
.tile svg { width: 72%; height: 72%; }
.tile--lg { width: 4rem; height: 4rem; border-radius: 14px; margin-bottom: 2rem; }

/* ----------------------------------------------------------------- hero -- */
.hero {
  position: relative; min-height: 100svh; overflow: clip;
  display: grid; place-items: center;
  padding: 7rem var(--sc-gutter) 6rem;
}
.hero__field {
  position: absolute; inset: -10% -10% -10% -10%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(42rem 30rem at 50% 46%, #fff 0%, transparent 70%),
    radial-gradient(60rem 40rem at 50% 120%, color-mix(in oklab, var(--bdx) 9%, transparent), transparent 70%),
    radial-gradient(50rem 30rem at 10% -10%, color-mix(in oklab, var(--bdx) 5%, transparent), transparent 70%);
}
.hero__plane { position: absolute; inset: 0; pointer-events: none; }
.hero__plane--back  { z-index: 1; filter: blur(1.6px); opacity: .5; }
.hero__plane--mid   { z-index: 2; opacity: .9; }
.hero__copy         { position: relative; z-index: 3; text-align: center; display: grid; justify-items: center; max-width: 60rem; }
.hero__copy .lede   { margin-top: 1.6rem; color: var(--sc-ink-soft); }
.hero__plane--front { z-index: 4; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1.6rem; margin-top: 2.4rem; }

.mail {
  position: absolute; left: var(--x); top: var(--y);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .8rem;
  width: min(21rem, 30vw); padding: .85rem 1rem;
  background: #fff; border-radius: 16px;
  border: 1px solid color-mix(in oklab, var(--sc-ink) 7%, transparent);
  box-shadow: 0 1px 2px hsl(355 30% 12% / .06), 0 12px 32px -12px hsl(355 30% 12% / .22);
  font-size: .82rem; line-height: 1.3;
}
.mail--lg { width: min(23rem, 32vw); box-shadow: 0 2px 4px hsl(355 30% 12% / .08), 0 30px 60px -20px hsl(355 30% 12% / .35); }
.mail i { font-style: normal; display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--sc-surface); color: var(--sc-ink-soft); font-size: .72rem; }
.mail b { display: block; font-weight: 500; color: var(--sc-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail span { display: block; color: var(--sc-ink-soft); font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail em { font-style: normal; color: var(--sc-ink-soft); font-size: .72rem; align-self: start; }
/* Second temps du hero : en scrollant, chaque mail passe à « Traité ». */
.mail s {
  position: absolute; right: .8rem; bottom: -.7rem; text-decoration: none;
  background: var(--bdx); color: #fff; font-size: .7rem; padding: .18rem .55rem; border-radius: 999px;
  opacity: clamp(0, calc((var(--sc-p, .5) - .58) * 8), 1);
  transform: translateY(calc((1 - clamp(0, calc((var(--sc-p, .5) - .58) * 8), 1)) * 6px));
}
.hero .mail { transition: none; }

/* ---------------------------------------------------------------- tools -- */
.tools { padding: 2.6rem 0 3.4rem; border-block: 1px solid var(--line); background: #fff; }
.tools__t { text-align: center; color: var(--sc-ink-soft); font-size: .92rem; margin: 0 0 1.6rem; padding-inline: var(--sc-gutter); }
.tools__mask { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.tools__track { list-style: none; margin: 0; padding: 0; display: flex; gap: 3.4rem; width: max-content; animation: tools 52s linear infinite; }
.tools__mask:hover .tools__track { animation-play-state: paused; }
.tools__track li { display: inline-flex; align-items: center; gap: .65rem; color: #4a4143; font-size: 1.02rem; white-space: nowrap; }
.tools__track img { width: 1.35rem; height: 1.35rem; opacity: .78; }
@keyframes tools { to { transform: translateX(-50%); } }

/* ------------------------------------------------------------------ day -- */
.day { padding: clamp(6rem, 12vw, 11rem) var(--sc-gutter) clamp(5rem, 9vw, 8rem); max-width: 82rem; margin-inline: auto; }
.day__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 7vw, 8rem); align-items: start; }
.day__head { position: sticky; top: 8rem; }
.day__head .lede { margin-top: 1.4rem; }
.day__list { list-style: none; margin: 0; padding: 0; }
.day__list li { display: grid; grid-template-columns: 4.4rem 1fr; gap: 1.2rem; padding: 1.7rem 0; border-top: 1px solid var(--line); }
.day__list li:last-child { border-bottom: 1px solid var(--line); }
.day__list time { color: var(--bdx); font-variant-numeric: tabular-nums; font-size: 1rem; padding-top: .15rem; }
.day__list p { margin: 0; font-size: clamp(1.1rem, 1rem + .4vw, 1.35rem); line-height: 1.45; letter-spacing: -0.012em; }
.day__end { margin: clamp(4rem, 8vw, 7rem) 0 0; font-family: var(--sc-font-display); font-weight: 300; letter-spacing: -0.035em; font-size: clamp(1.8rem, 1.2rem + 2.2vw, 3rem); line-height: 1.1; max-width: 22ch; margin-left: auto; text-align: right; text-wrap: balance; }

/* ----------------------------------------------------------------- cost -- */
.cost { color: #fff; }
.cost__stage { background: var(--bdx); height: 100svh; position: sticky; top: 0; display: grid; place-items: center; padding: 6rem var(--sc-gutter); }
.cost__stage > * { grid-area: 1 / 1; }
.cost__open { max-width: 16ch; text-align: center; }
.cost__beat { width: min(76rem, 100%); display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: end; }
.cost__beat--trail { grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); }
.cost__beat--trail .cost__word { order: 2; text-align: right; }
.cost__word { margin: 0; font-family: var(--sc-font-display); font-weight: 300; letter-spacing: -0.055em; line-height: .86; font-size: clamp(4.4rem, 2rem + 11vw, 13rem); }
.cost__txt { margin: 0 0 1.2rem; font-size: clamp(1.15rem, 1rem + .6vw, 1.55rem); line-height: 1.45; letter-spacing: -0.012em; color: color-mix(in oklab, #fff 84%, var(--bdx)); max-width: 30ch; }
.cost__close { text-align: center; max-width: 22ch; }
/* Repère de progression : trois segments qui se remplissent avec le scroll. */
.cost__nav { align-self: end; justify-self: center; display: grid; justify-items: center; gap: .9rem; margin-bottom: -2.4rem; }
.cost__hint {
  margin: 0; font-size: .95rem; color: #fff;
  opacity: clamp(0, calc(1 - var(--sc-p, 0) * 9), 1);
  animation: hint 1.8s var(--sc-ease-in-out) infinite;
}
@keyframes hint { 50% { transform: translateY(4px); } }
.cost__rail { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.4rem; }
.cost__rail li { display: grid; gap: .6rem; width: clamp(6rem, 11vw, 10rem); font-size: .9rem; color: color-mix(in oklab, #fff 70%, var(--bdx)); }
.cost__rail li::before {
  content: ""; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, #fff calc(var(--f) * 100%), color-mix(in oklab, #fff 28%, transparent) 0);
  --f: clamp(0, calc((var(--sc-p, 0) - var(--a)) / var(--l)), 1);
}

/* ---------------------------------------------------------------- split -- */
.split { padding: clamp(7rem, 12vw, 11rem) var(--sc-gutter) clamp(5rem, 9vw, 8rem); max-width: 82rem; margin-inline: auto; }
.split__head { margin-bottom: clamp(3rem, 6vw, 5rem); }
.split__table { border-top: 1px solid var(--sc-ink); }
.split__row { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1rem, 3vw, 3rem); padding: 1.6rem 0; border-bottom: 1px solid var(--line); align-items: start; }
.split__row--head { padding: 1rem 0; font-size: .9rem; color: var(--sc-ink-soft); }
.split__row--head .is-auto { color: var(--bdx); }
.split__row > [role="rowheader"] { font-size: 1.08rem; color: var(--sc-ink); letter-spacing: -0.01em; }
.split .hand { color: var(--sc-ink-soft); font-weight: 400; }
.split .auto {
  color: var(--sc-ink); background: color-mix(in oklab, var(--bdx) 5%, #fff);
  border-left: 2px solid var(--bdx); padding: .2rem 0 .2rem 1rem; margin: -.2rem 0;
}
.split strong { font-weight: 500; }
.split__row--proof .hand strong { color: var(--sc-ink); }
.split__row--proof .auto strong { color: var(--bdx); font-size: 1.3em; letter-spacing: -0.02em; }
.split small { display: block; margin-top: .35rem; font-size: .8rem; color: var(--sc-ink-soft); font-weight: 400; }
.split__foot { margin: 2.6rem 0 0; color: var(--sc-ink-soft); max-width: 46ch; }

/* ----------------------------------------------------------------- flux -- */
.flux { background: var(--sc-surface); padding: clamp(6rem, 11vw, 10rem) var(--sc-gutter); }
.flux__head { max-width: 82rem; margin: 0 auto 2.6rem; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 2rem; align-items: end; }
.flux__tabs { max-width: 82rem; margin: 0 auto 1.4rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.flux__tabs button {
  appearance: none; border: 1px solid var(--line); background: #fff; color: var(--sc-ink);
  height: 2.7rem; padding: 0 1.15rem; border-radius: 999px; cursor: pointer; font-size: .95rem; font-weight: 500;
  transition: background-color 160ms var(--sc-ease-out), color 160ms var(--sc-ease-out), border-color 160ms var(--sc-ease-out);
}
.flux__tabs button:hover { border-color: color-mix(in oklab, var(--bdx) 40%, transparent); }
.flux__tabs button[aria-selected="true"] { background: var(--sc-ink); color: #fff; border-color: var(--sc-ink); }

.flux__board {
  position: relative; max-width: 82rem; margin: 0 auto; background: #fff; border-radius: 24px;
  border: 1px solid var(--line); padding: clamp(1.6rem, 4vw, 3.4rem);
  box-shadow: 0 1px 2px hsl(355 30% 12% / .04), 0 30px 70px -40px hsl(355 30% 12% / .3);
  display: grid; grid-template-columns: 1fr; gap: 2rem;
}
.flux__track { position: absolute; left: calc(clamp(1.6rem, 4vw, 3.4rem) + 10%); right: calc(clamp(1.6rem, 4vw, 3.4rem) + 10%); top: calc(clamp(1.6rem, 4vw, 3.4rem) + 1.6rem); height: 2px; background: var(--line); border-radius: 2px; }
.flux__fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--bdx); border-radius: 2px; }
.flux__fill::after { content: ""; position: absolute; right: -5px; top: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--bdx); box-shadow: 0 0 0 5px color-mix(in oklab, var(--bdx) 18%, transparent); }
.flux__nodes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; position: relative; }
.node { display: grid; justify-items: center; text-align: center; gap: .7rem; }
.node__dot {
  width: 3.2rem; height: 3.2rem; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); color: var(--sc-ink-soft);
  transition: background-color 260ms var(--sc-ease-out), color 260ms var(--sc-ease-out), border-color 260ms var(--sc-ease-out), transform 260ms var(--sc-ease-out);
}
.node__dot svg { width: 1.3rem; height: 1.3rem; }
.node b { font-weight: 500; font-size: 1rem; letter-spacing: -0.01em; }
.node small { color: var(--sc-ink-soft); font-size: .86rem; font-weight: 400; line-height: 1.35; max-width: 17ch; }
.node.is-on .node__dot { background: var(--bdx); border-color: var(--bdx); color: #fff; transform: scale(1.06); }
.node--human.is-on .node__dot { background: var(--sc-ink); border-color: var(--sc-ink); }

.flux__log { border-top: 1px solid var(--line); padding-top: 1.4rem; min-height: 11.5rem; }
.flux__log ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: .92rem; font-weight: 400; }
.flux__log li { display: grid; grid-template-columns: 5.2rem 1fr; gap: 1rem; opacity: 0; transform: translateY(4px); transition: opacity 280ms var(--sc-ease-out), transform 280ms var(--sc-ease-out); }
.flux__log li.is-on { opacity: 1; transform: none; }
.flux__log time { color: var(--sc-ink-soft); font-variant-numeric: tabular-nums; }
.flux__log li:last-child span { color: var(--bdx); font-weight: 500; }
.flux__replay { position: absolute; right: clamp(1.6rem, 4vw, 3.4rem); bottom: clamp(1.6rem, 4vw, 3.4rem); appearance: none; border: 0; background: none; color: var(--sc-ink-soft); font-size: .88rem; cursor: pointer; padding: .4rem 0; border-bottom: 1px solid var(--line); }
.flux__replay:hover { color: var(--sc-ink); }

/* --------------------------------------------------------------- method -- */
.method { padding: clamp(6rem, 11vw, 10rem) var(--sc-gutter); max-width: 82rem; margin-inline: auto; }
.method__rail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.6rem); align-items: start; }
.method__lead { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 2rem; align-items: end; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.method__lead .lede { margin-top: 0; }
.step {
  min-height: 27rem; background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: clamp(1.6rem, 2.4vw, 2.2rem); display: flex; flex-direction: column;
}
.step:nth-of-type(2) { margin-top: 2.5rem; }
.step:nth-of-type(3) { margin-top: 5rem; background: var(--bdx); color: #fff; border-color: var(--bdx); }
.step__k { margin: 0 0 auto; color: var(--bdx); font-size: .95rem; }
.step:nth-of-type(3) .step__k { color: color-mix(in oklab, #fff 75%, var(--bdx)); }
.step h3 { margin: 3.5rem 0 1rem; font-family: var(--sc-font-display); font-weight: 300; letter-spacing: -0.035em; font-size: clamp(1.55rem, 1.2rem + 1vw, 2.1rem); line-height: 1.08; }
.step p:last-child { margin: 0; color: var(--sc-ink-soft); font-weight: 400; }
.step:nth-of-type(3) p:last-child { color: color-mix(in oklab, #fff 82%, var(--bdx)); }
@media (max-width: 860px) { .method__lead { grid-template-columns: 1fr; gap: 1.2rem; } }

/* ---------------------------------------------------------------- proof -- */
.proof { padding: clamp(6rem, 11vw, 10rem) var(--sc-gutter); max-width: 82rem; margin-inline: auto; }
.proof__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .7fr); gap: 2rem; align-items: end; margin-bottom: clamp(3rem, 6vw, 4.5rem); }
.proof__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2.4rem); }
.voice { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: clamp(1.2rem, 2.4vw, 2rem); background: var(--sc-surface); border-radius: 24px; padding: clamp(1rem, 1.6vw, 1.4rem); }
.voice__media { border-radius: 16px; overflow: hidden; aspect-ratio: 9 / 16; background: #1d1718; }
.voice__media video { width: 100%; height: 100%; object-fit: cover; }
.voice__copy { display: flex; flex-direction: column; padding: .8rem .6rem .8rem 0; }
.voice blockquote { margin: 0; font-family: var(--sc-font-display); font-weight: 300; letter-spacing: -0.03em; font-size: clamp(1.3rem, 1.05rem + .8vw, 1.75rem); line-height: 1.2; text-wrap: pretty; }
.voice__who { margin: 1.6rem 0 0; font-size: 1rem; }
.voice__who span, .voice__res span { display: block; color: var(--sc-ink-soft); font-size: .85rem; font-weight: 400; margin-top: .15rem; }
.voice__res { margin: auto 0 0; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--bdx); font-size: 1rem; }

.me { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; margin-top: clamp(6rem, 11vw, 10rem); }
.me__pic { margin: 0; }
.me__pic img { width: 100%; height: auto; mix-blend-mode: multiply; }
.me__copy > * + * { margin-top: 1.4rem; }
.me__copy .lede { margin-top: 1.8rem; }
.me__facts { list-style: none; padding: 0; margin-top: 2.2rem !important; border-top: 1px solid var(--line); }
.me__facts li { padding: 1rem 0 1rem 1.6rem; border-bottom: 1px solid var(--line); position: relative; font-size: 1rem; }
.me__facts li::before { content: ""; position: absolute; left: 0; top: 1.55rem; width: .55rem; height: 2px; background: var(--bdx); }

/* ---------------------------------------------------------------- close -- */
.close__stage { min-height: 90svh; display: grid; grid-template-rows: 1fr auto; padding: 5rem var(--sc-gutter) 1.6rem; }
.close__inner { display: grid; justify-items: center; align-content: center; text-align: center; gap: 1.6rem; position: relative; z-index: 3; }
.close__inner .display { max-width: 18ch; }
.close__inner .btn { margin-top: 1rem; }
.foot { position: relative; z-index: 3; display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 2rem; font-size: .85rem; color: var(--sc-ink-soft); font-weight: 400; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--sc-ink); }

/* --------------------------------------------------------------- mobile -- */
@media (max-width: 860px) {
  .bar__name { display: none; }
  .hero { padding: 6.5rem 1.25rem 5rem; align-content: center; }
  .hero__copy { text-align: left; justify-items: start; }
  .hero__actions { justify-content: flex-start; }
  .mail { width: 15.5rem; font-size: .76rem; }
  .mail--lg { width: 16.5rem; }
  .hero__plane--back .mail:nth-child(1) { --x: -18% !important; --y: 9% !important; }
  .hero__plane--back .mail:nth-child(2) { --x: 52% !important; --y: 6% !important; }
  .hero__plane--back .mail:nth-child(3) { display: none; }
  .hero__plane--mid .mail { display: none; }
  .hero__plane--front .mail:nth-child(1) { --x: calc(100% - 17.5rem) !important; --y: 90% !important; }
  .hero__plane--front .mail:nth-child(2) { display: none; }

  .day__grid { grid-template-columns: 1fr; }
  .day__head { position: static; }
  .day__end { text-align: left; margin-left: 0; }

  .cost__beat, .cost__beat--trail { grid-template-columns: 1fr; gap: 1rem; align-items: start; }
  .cost__beat--trail .cost__word { order: 0; text-align: left; }

  .split__row { grid-template-columns: 1fr; gap: .7rem; }
  .split__row--head { display: none; }
  .split .hand::before { content: "À la main · "; color: var(--sc-ink-soft); font-weight: 500; }
  .split .auto::before { content: "Avec Archimède · "; color: var(--bdx); font-weight: 500; }

  .flux__head, .proof__head { grid-template-columns: 1fr; }
  .flux__track { display: none; }
  .flux__nodes { grid-template-columns: 1fr; gap: .9rem; }
  .node { grid-template-columns: auto 1fr; justify-items: start; text-align: left; column-gap: 1rem; row-gap: .1rem; }
  .node__dot { grid-row: span 2; width: 2.7rem; height: 2.7rem; }
  .node small { max-width: none; }
  .flux__log li { grid-template-columns: 4.4rem 1fr; }
  .flux__replay { position: static; justify-self: start; }

  .method__rail { grid-template-columns: 1fr; }
  .step { min-height: 0; }
  .step h3 { margin-top: 2rem; }
  .step:nth-of-type(2), .step:nth-of-type(3) { margin-top: 0; }
  .proof__grid { grid-template-columns: 1fr; }
  .voice { grid-template-columns: 1fr; }
  .voice__media { aspect-ratio: 4 / 5; }
  .me { grid-template-columns: 1fr; }
  .me__pic { max-width: 26rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cost__hint { animation: none; }
  .tools__track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; padding-inline: var(--sc-gutter); row-gap: 1.2rem; }
  .tools__track li[aria-hidden="true"] { display: none; }
  .tools__mask { mask-image: none; -webkit-mask-image: none; }
  .mail s { opacity: 0; }
}