/* =========================================================================
   nota — feuille de style principale (v2)
   Crème chaude e-paper · encre · accent bleu roi #021F94
   Inspiration : Daylight / reMarkable / Light Phone — chaleureux, éditorial
   ========================================================================= */

/* ---- Fonts (self-hosted) ---- */
@font-face { font-family:'Cabinet Grotesk'; src:url('/fonts/cabinet-grotesk-400.woff2') format('woff2'); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:'Cabinet Grotesk'; src:url('/fonts/cabinet-grotesk-500.woff2') format('woff2'); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:'Cabinet Grotesk'; src:url('/fonts/cabinet-grotesk-700.woff2') format('woff2'); font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:'Cabinet Grotesk'; src:url('/fonts/cabinet-grotesk-800.woff2') format('woff2'); font-weight:800; font-style:normal; font-display:swap; }

/* ---- Tokens ---- */
:root {
  --paper:      #F6F4EF;
  --paper-2:    #F1ECE2;
  --paper-3:    #E9E1D2;
  --sand:       #ECE4D5;   /* section chaude */
  --ink:        #16150F;
  --ink-soft:   #5A554C;
  --ink-faint:  #928B7C;
  --accent:     #021F94;   /* bleu roi */
  --accent-hov: #001673;
  --accent-tint:#E7E9F5;   /* halo bleu très pâle */
  --on-accent:  #F6F4EF;
  --line:       rgba(22, 21, 15, .12);
  --line-soft:  rgba(22, 21, 15, .07);

  --radius:   22px;
  --radius-sm:14px;
  --wrap:     1240px;
  --ease:     cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --font: 'Cabinet Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

/* Grain papier léger pour la chaleur */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .045;
  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='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 1; }

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }

/* ---- Utilitaires ---- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(20px, 5vw, 56px); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; transition: top .2s var(--ease); }
.skip-link:focus { top: 12px; }

/* ---- Wordmark ---- */
.wordmark { font-weight: 800; font-size: 1.55rem; letter-spacing: -.03em; color: var(--ink); line-height: 1; display: inline-flex; align-items: baseline; }
.wordmark .dot { color: var(--accent); }
.wordmark--sm { font-size: 1.15rem; }

/* ---- Boutons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-weight: 700; font-size: 1rem; letter-spacing: -.01em;
  padding: .95em 1.6em; border-radius: 999px; border: 1.5px solid transparent;
  transition: transform .3s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), box-shadow .3s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 8px 20px -12px var(--accent); }
.btn--primary:hover { background: var(--accent-hov); transform: translateY(-2px); box-shadow: 0 14px 28px -14px var(--accent); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn--sm { padding: .6em 1.2em; font-size: .9rem; }
.btn:focus-visible, a:focus-visible, input:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; }

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  backdrop-filter: saturate(130%) blur(10px);
  -webkit-backdrop-filter: saturate(130%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 74px; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 36px); }
.nav a { font-weight: 500; font-size: .98rem; color: var(--ink-soft); transition: color .2s var(--ease); }
.nav a:hover { color: var(--ink); }
.nav-cta { color: var(--ink) !important; border: 1.5px solid var(--line); padding: .55em 1.15em; border-radius: 999px; font-weight: 700 !important; transition: border-color .2s var(--ease), transform .2s var(--ease); }
.nav-cta:hover { border-color: var(--accent); color: var(--accent) !important; transform: translateY(-1px); }
@media (max-width: 620px) { .nav a:not(.nav-cta) { display: none; } }

/* =========================================================================
   Reveals (apparition au scroll) + parallax
   ========================================================================= */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* Révélation par lignes (titres) */
.line-mask { display: block; overflow: hidden; padding-bottom: .04em; }
.js .line-mask > span { display: block; transform: translateY(105%); transition: transform 1s var(--ease-out); }
.reveal-lines.in .line-mask > span { transform: none; }
.reveal-lines.in .line-mask:nth-child(2) > span { transition-delay: .09s; }
.reveal-lines.in .line-mask:nth-child(3) > span { transition-delay: .18s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .line-mask > span { transform: none; transition: none; }
  [data-parallax] { transform: none !important; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero { position: relative; padding-top: clamp(24px, 5vw, 56px); padding-bottom: clamp(48px, 8vw, 110px); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(24px, 5vw, 80px); align-items: center; min-height: min(80vh, 760px); }
.eyebrow { font-size: .82rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; display: inline-flex; align-items: center; gap: .6em; }
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--accent); display: inline-block; }
.hero-title { font-weight: 800; letter-spacing: -.045em; line-height: .93; font-size: clamp(2.6rem, 8.4vw, 6.8rem); }
.hero-lead { margin-top: 1.7rem; max-width: 33ch; color: var(--ink-soft); font-size: clamp(1.08rem, 1.6vw, 1.32rem); line-height: 1.55; }
.hero-form { margin-top: 2.3rem; max-width: 470px; }

.hero-stage { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.stage-caption { margin-top: 1.4rem; font-size: .8rem; color: var(--ink-faint); letter-spacing: .02em; text-align: center; }

.scroll-cue { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); width: 24px; height: 40px; display: grid; place-items: start center; }
.scroll-cue-line { width: 1.5px; height: 22px; background: var(--ink-faint); border-radius: 2px; animation: cue 1.9s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0%,100% { transform: scaleY(.35); opacity: .25; } 50% { transform: scaleY(1); opacity: .9; } }
@media (prefers-reduced-motion: reduce) { .scroll-cue-line { animation: none; } }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; gap: clamp(28px, 7vw, 48px); }
  .hero-stage { order: -1; }
  .scroll-cue { display: none; }
}
.hero-copy, .hero-stage { min-width: 0; }
@media (max-width: 520px) { .hero-device .device-wrap { max-width: 270px; } }

/* =========================================================================
   Le boîtier nota — SVG à l'échelle réelle (46,10 × 58,40 mm)
   ========================================================================= */
.device-wrap {
  position: relative; width: 100%; max-width: 340px; margin-inline: auto;
  aspect-ratio: 461 / 584; container-type: inline-size;
}
.hero-device { width: 100%; display: flex; justify-content: center; }
[data-steps-device] { width: 100%; display: flex; justify-content: center; }
.device-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

/* Calque écran, aligné sur le rect SVG (x90 y152 w248 h248 dans 461×584) */
.device-screen {
  position: absolute; left: 23.0%; top: 25.7%; width: 53.8%; height: 42.5%;
  overflow: hidden; padding: 8%; display: flex; flex-direction: column;
  container-type: inline-size;   /* cqi = proportionnel à l'ÉCRAN */
}
.device-chin { position: absolute; left: 0; right: 0; top: 71%; display: flex; justify-content: center; }
.device-chin .wordmark { font-size: 6.2cqi; opacity: .5; }

/* Contenu écran : flashcard (cqi relatif à l'écran) */
.card-screen { width: 100%; height: 100%; display: flex; flex-direction: column; overflow: hidden; }
.card-kicker { font-size: 5.4cqi; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); display: flex; align-items: center; gap: .5em; line-height: 1.2; }
.card-kicker::before { content: ""; flex: 0 0 auto; width: 9cqi; height: 2.4cqi; background: var(--accent); border-radius: 2px; }
.card-q { font-weight: 700; letter-spacing: -.02em; line-height: 1.14; font-size: 10.5cqi; margin-top: 6cqi; color: var(--ink); }
.card-rule { height: 1px; background: rgba(22,21,15,.14); margin: auto 0 5cqi; }
.card-a { font-size: 6.6cqi; color: var(--ink-soft); line-height: 1.36; }
.card-dots { display: flex; gap: 3cqi; margin-top: 6cqi; }
.card-dots i { width: 4cqi; height: 4cqi; border-radius: 50%; background: var(--accent); opacity: .22; }
.card-dots i.on { opacity: 1; }
/* Variante « progression » */
.card-progress { display: flex; flex-direction: column; height: 100%; }
.cp-big { font-weight: 800; letter-spacing: -.03em; line-height: 1; font-size: 36cqi; color: var(--ink); margin-top: 5cqi; }
.cp-big span { font-size: 16cqi; color: var(--accent); }
.cp-label { font-size: 6.4cqi; color: var(--ink-soft); margin-top: 2.5cqi; line-height: 1.25; }
.cp-bars { margin-top: auto; display: flex; align-items: flex-end; gap: 3.4cqi; height: 30%; }
.cp-bars span { flex: 1; background: var(--accent); opacity: .82; border-radius: 1.2cqi 1.2cqi 0 0; }
.cp-bars span:nth-child(1){height:40%}.cp-bars span:nth-child(2){height:62%}.cp-bars span:nth-child(3){height:52%}.cp-bars span:nth-child(4){height:78%}.cp-bars span:nth-child(5){height:68%}.cp-bars span:nth-child(6){height:92%}.cp-bars span:nth-child(7){height:84%}

/* =========================================================================
   Sections génériques
   ========================================================================= */
.section { padding-block: clamp(72px, 12vw, 168px); }
.section--sand { background: var(--sand); }
.section-head { max-width: 42ch; margin-bottom: clamp(44px, 6vw, 80px); }
.kicker { font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.1rem; display: inline-flex; align-items: center; gap: .6em; }
.kicker::before { content: ""; width: 24px; height: 1.5px; background: var(--accent); }
.kicker--light { color: color-mix(in srgb, var(--on-accent) 78%, transparent); }
.kicker--light::before { background: currentColor; }
.section-title { font-weight: 700; letter-spacing: -.03em; line-height: 1.02; font-size: clamp(2rem, 5vw, 3.6rem); }

/* Le problème — grande phrase manifeste */
.problem { border-top: 1px solid var(--line-soft); }
.statement { font-weight: 500; letter-spacing: -.025em; line-height: 1.16; font-size: clamp(1.7rem, 5vw, 3.5rem); max-width: 20ch; }
.statement .em { color: var(--accent); }
.statement .fade { color: var(--ink-faint); }

/* =========================================================================
   Séquence épinglée « comment ça marche »
   ========================================================================= */
.steps { position: relative; background: var(--paper-2); }
.steps-track { position: relative; height: auto; }
.steps-sticky { position: sticky; top: 0; height: 100vh; display: none; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(24px, 5vw, 72px); }
.steps-head { position: absolute; top: clamp(28px, 5vh, 60px); left: 0; }
.steps-visual { position: relative; height: 62vh; }
.step-visual { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(26px) scale(.97); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); pointer-events: none; }
.step-visual.active { opacity: 1; transform: none; pointer-events: auto; }
.step-visual .device-wrap { max-width: 300px; }
.steps-copy { position: relative; }
.step-copy-inner { position: relative; min-height: 260px; }
.step-panel { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; opacity: 0; transform: translateY(24px); transition: opacity .55s var(--ease-out), transform .55s var(--ease-out); pointer-events: none; }
.step-panel.active { opacity: 1; transform: none; pointer-events: auto; }
.step-num { font-weight: 800; font-size: 1rem; color: var(--accent); letter-spacing: .06em; }
.step-title { font-weight: 700; letter-spacing: -.025em; font-size: clamp(1.5rem, 3.2vw, 2.5rem); margin-top: .8rem; line-height: 1.04; }
.step-text { margin-top: 1rem; color: var(--ink-soft); max-width: 38ch; font-size: clamp(1rem, 1.4vw, 1.16rem); }
.step-progress { display: flex; gap: 8px; margin-top: 2.4rem; }
.step-progress i { height: 3px; flex: 1; max-width: 52px; background: var(--line); border-radius: 2px; overflow: hidden; position: relative; }
.step-progress i::after { content: ""; position: absolute; inset: 0; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.step-progress i.done::after { transform: scaleX(1); }

/* Visuel étape 1 — capture d'un cours */
.vis-photo { position: relative; width: 78%; max-width: 320px; }
.vis-photo-doc { background: #FBFAF6; border: 1px solid var(--line); border-radius: 14px; padding: 30px 26px; box-shadow: 0 30px 60px -44px rgba(22,21,15,.5); transform: rotate(-2.5deg); }
.vis-photo-doc .h { height: 12px; width: 55%; background: var(--ink); opacity: .8; border-radius: 3px; margin-bottom: 16px; }
.vis-photo-doc .l { height: 8px; border-radius: 3px; background: rgba(22,21,15,.13); margin-bottom: 11px; }
.vis-photo-doc .l:nth-child(3){width:96%}.vis-photo-doc .l:nth-child(4){width:88%}.vis-photo-doc .l:nth-child(5){width:93%}.vis-photo-doc .l:nth-child(6){width:70%}
.vis-photo-frame { position: absolute; inset: -6% 4% -10% -8%; }
.vis-photo-frame span { position: absolute; width: 26px; height: 26px; border: 3px solid var(--accent); }
.vis-photo-frame span:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}
.vis-photo-frame span:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}
.vis-photo-frame span:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}
.vis-photo-frame span:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}
.vis-photo-shutter { position: absolute; bottom: -9%; left: 50%; transform: translateX(-50%); width: 46px; height: 46px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-tint), 0 12px 24px -12px var(--accent); }

/* Visuel étape 2 — cartes générées */
.vis-cards { position: relative; width: 74%; max-width: 300px; aspect-ratio: 1/1; }
.vis-cards .fc { position: absolute; inset: 12% 8%; background: #FBFAF6; border: 1px solid var(--line); border-radius: 16px; padding: 26px; box-shadow: 0 24px 50px -40px rgba(22,21,15,.5); }
.vis-cards .fc1 { transform: rotate(-8deg) translate(-14%, 6%); }
.vis-cards .fc2 { transform: rotate(4deg) translate(12%, -4%); }
.vis-cards .fc3 { transform: rotate(-1deg); }
.vis-cards .fc .k { font-size: .62rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.vis-cards .fc .t { font-weight: 700; letter-spacing: -.02em; font-size: 1.15rem; margin-top: 12px; line-height: 1.15; }
.vis-cards .fc .b { height: 7px; border-radius: 3px; background: rgba(22,21,15,.12); margin-top: 10px; }
.vis-cards .fc .b.s { width: 60%; }
.vis-cards-badge { position: absolute; bottom: 4%; right: 2%; z-index: 5; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: .8rem; padding: .5em 1em; border-radius: 999px; box-shadow: 0 14px 28px -14px var(--accent); }

/* Visuel étape 4 — courbe de mémorisation */
.vis-curve { width: 84%; max-width: 360px; background: #FBFAF6; border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: 0 30px 60px -46px rgba(22,21,15,.5); }
.vis-curve .k { font-size: .62rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.vis-curve svg { width: 100%; height: auto; display: block; }

/* Séquence épinglée uniquement avec JS + desktop ; sinon repli en cartes */
.steps-fallback { display: grid; gap: clamp(16px, 4vw, 24px); }
@media (min-width: 901px) {
  .js .steps-sticky { display: grid; }
  .js .steps-track { height: 340vh; }
  .js .steps-fallback { display: none; }
}
@media (max-width: 900px) {
  .steps-fallback { }
  .step-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 6vw, 38px); display: grid; grid-template-columns: auto 1fr; gap: clamp(18px, 4vw, 30px); align-items: center; }
  .step-card .step-cardvis { width: clamp(96px, 28vw, 140px); }
  .step-card .step-cardvis .device-wrap { max-width: 100%; }
  .step-card .step-num { display: block; }
  .step-card .step-title { font-size: clamp(1.2rem, 5vw, 1.5rem); }
  .step-card .step-text { font-size: 1rem; }
  .step-card .step-progress { display: none; }
}
@media (max-width: 520px) { .step-card { grid-template-columns: 1fr; text-align: left; } .step-card .step-cardvis { width: clamp(120px, 40vw, 160px); } }

/* =========================================================================
   Avantages / feature rows
   ========================================================================= */
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1px, .2vw, 1px); background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.benefit { background: var(--paper); padding: clamp(28px, 4vw, 48px); }
.benefit-ico { width: 30px; height: 30px; color: var(--accent); margin-bottom: 1.3rem; }
.benefit-title { font-weight: 700; letter-spacing: -.02em; font-size: clamp(1.2rem, 2vw, 1.55rem); }
.benefit-text { margin-top: .7rem; color: var(--ink-soft); max-width: 42ch; }
@media (max-width: 720px) { .benefits-grid { grid-template-columns: 1fr; } }

/* Bande manifeste (grande citation) */
.manifesto { text-align: center; }
.manifesto-quote { font-weight: 500; letter-spacing: -.025em; line-height: 1.2; font-size: clamp(1.7rem, 4.6vw, 3.2rem); max-width: 20ch; margin-inline: auto; }
.manifesto-quote .em { color: var(--accent); }

/* =========================================================================
   CTA final
   ========================================================================= */
.join { background: var(--ink); color: var(--on-accent); border-radius: clamp(24px, 4vw, 44px); margin: 0 clamp(12px, 3vw, 32px) clamp(28px, 5vw, 56px); position: relative; overflow: hidden; }
.join::after { content: "nota·"; position: absolute; right: -2%; bottom: -14%; font-weight: 800; font-size: clamp(8rem, 26vw, 24rem); color: rgba(246,244,239,.05); letter-spacing: -.05em; pointer-events: none; }
.join-inner { max-width: 660px; position: relative; z-index: 1; }
.join .kicker { color: color-mix(in srgb, var(--on-accent) 80%, transparent); }
.join .kicker::before { background: currentColor; }
.join-title { font-weight: 700; letter-spacing: -.03em; line-height: 1.02; font-size: clamp(2rem, 5.2vw, 3.8rem); }
.join-lead { margin-top: 1.3rem; color: color-mix(in srgb, var(--on-accent) 78%, transparent); font-size: clamp(1.04rem, 1.5vw, 1.22rem); max-width: 46ch; }
.join-form { margin-top: 2.4rem; max-width: 510px; }
.join .signup-input { background: rgba(246,244,239,.10); border-color: rgba(246,244,239,.28); color: var(--on-accent); }
.join .signup-input::placeholder { color: rgba(246,244,239,.5); }
.join .signup-input:focus-visible { border-color: var(--on-accent); outline-color: var(--on-accent); }
.join .btn--primary { background: var(--on-accent); color: var(--ink); box-shadow: none; }
.join .btn--primary:hover { background: #fff; }
.join .signup-note { color: rgba(246,244,239,.55); }

/* =========================================================================
   Formulaire d'inscription
   ========================================================================= */
.signup-row { display: flex; gap: .6rem; }
.signup-input { flex: 1 1 auto; min-width: 0; font-size: 1.04rem; color: var(--ink); background: var(--paper); border: 1.5px solid var(--line); border-radius: 999px; padding: .95em 1.4em; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.signup-input::placeholder { color: var(--ink-faint); }
.signup-input:focus-visible { border-color: var(--accent); outline: none; box-shadow: 0 0 0 4px var(--accent-tint); }
.signup-submit { flex: 0 0 auto; }
.signup-note { margin-top: .85rem; font-size: .85rem; color: var(--ink-faint); }
.signup.is-done .signup-row { display: none; }
.signup-success { display: none; font-weight: 500; font-size: 1.08rem; }
.signup.is-done .signup-success { display: block; animation: pop .5s var(--ease-out); }
.signup.is-done .signup-note { display: none; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.form-alert { margin-top: 1rem; color: #9a2c2c; font-weight: 500; }
@media (max-width: 460px) { .signup-row { flex-direction: column; } .signup-submit { width: 100%; } }

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(40px, 6vw, 76px); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-tag { color: var(--ink-faint); font-size: .95rem; margin-top: .4rem; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-soft); font-size: .95rem; transition: color .2s var(--ease); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: var(--ink-faint); font-size: .88rem; width: 100%; padding-top: 8px; }

/* =========================================================================
   Pages simples & légales
   ========================================================================= */
.simple-main, .legal-main { min-height: 62vh; padding-block: clamp(60px, 10vw, 140px); }
.simple-inner { max-width: 640px; }
.simple-title { font-weight: 800; letter-spacing: -.04em; line-height: 1; font-size: clamp(2.4rem, 7vw, 4.2rem); margin-block: .4rem 1.2rem; }
.simple-lead { color: var(--ink-soft); font-size: 1.18rem; max-width: 46ch; margin-bottom: 2rem; }
.legal-inner { max-width: 720px; }
.legal-title { font-weight: 800; letter-spacing: -.035em; font-size: clamp(2rem, 5vw, 3.2rem); margin-block: .4rem .3rem; }
.legal-updated { color: var(--ink-faint); font-size: .9rem; margin-bottom: 2.4rem; }
.legal-inner h2 { font-weight: 700; letter-spacing: -.02em; font-size: 1.35rem; margin-top: 2.2rem; margin-bottom: .5rem; }
.legal-inner p { color: var(--ink-soft); margin-bottom: 1rem; }
.legal-inner a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-back { margin-top: 2.6rem; }

/* =========================================================================
   Variantes de largeur / rythme (casser la symétrie)
   ========================================================================= */
.wrap--wide { max-width: 1400px; }
.section--full { background: var(--sand); }
.section--dark { background: var(--ink); color: var(--on-accent); }
.section--dark .kicker { color: color-mix(in srgb, var(--on-accent) 78%, transparent); }
.section--dark .kicker::before { background: currentColor; }

/* =========================================================================
   Mission (texte surdimensionné, débordant à gauche — signé)
   ========================================================================= */
.mission { overflow: hidden; }
.mission-inner { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 5vw, 56px); }
.mission-quote { font-weight: 500; letter-spacing: -.03em; line-height: 1.12; font-size: clamp(1.8rem, 5.2vw, 3.7rem); max-width: 18ch; margin-left: clamp(-8px, -3vw, -60px); }
.mission-quote .em { color: var(--accent); }
.mission-side { display: flex; flex-direction: column; gap: 1.6rem; max-width: 52ch; }
.mission-side p { color: var(--ink-soft); font-size: clamp(1.04rem, 1.5vw, 1.2rem); }
.mission-sign { display: flex; align-items: center; gap: 14px; margin-top: .5rem; }
.mission-avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; flex: 0 0 auto; }
.mission-sign b { font-weight: 700; }
.mission-sign span { display: block; color: var(--ink-faint); font-size: .9rem; font-weight: 400; }
@media (min-width: 921px) {
  .mission-inner { grid-template-columns: 1.1fr .9fr; align-items: end; }
}

/* =========================================================================
   Cas d'usage (alternance texte / boîtier, débordement volontaire)
   ========================================================================= */
.usecase { overflow: clip; }
.usecase-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(30px, 6vw, 90px); }
.usecase--reverse .usecase-text { order: 2; }
.usecase-eyebrow { font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: inline-flex; align-items: center; gap: .6em; }
.usecase-eyebrow::before { content: ""; width: 24px; height: 1.5px; background: var(--accent); }
.usecase-title { font-weight: 700; letter-spacing: -.03em; line-height: 1.04; font-size: clamp(1.8rem, 4vw, 3rem); }
.usecase-text p { margin-top: 1.2rem; color: var(--ink-soft); max-width: 42ch; font-size: clamp(1.04rem, 1.4vw, 1.18rem); }
.usecase-visual { display: flex; justify-content: center; }
.usecase-visual > * { width: 100%; display: flex; justify-content: center; }
.usecase-visual .device-wrap { max-width: 320px; }
/* débordement volontaire du boîtier hors du cadre */
.usecase--bleed .usecase-visual { justify-content: flex-end; }
.usecase--bleed .usecase-visual > * { justify-content: flex-end; }
.usecase--bleed .usecase-visual .device-wrap { max-width: 430px; margin-right: clamp(-30px, -6vw, -120px); }
@media (max-width: 900px) {
  .usecase-inner { grid-template-columns: 1fr; gap: clamp(24px, 6vw, 40px); }
  .usecase--reverse .usecase-text { order: 0; }
  .usecase-visual { order: -1; }
  .usecase--bleed .usecase-visual { justify-content: center; }
  .usecase--bleed .usecase-visual .device-wrap { max-width: 260px; margin-right: 0; }
  .usecase-visual .device-wrap { max-width: 240px; }
}

/* =========================================================================
   Principes (trio — parti pris de la marque)
   ========================================================================= */
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.5vw, 32px); }
.principle { padding-top: 1.6rem; border-top: 2px solid var(--accent); }
.principle-q { font-weight: 500; letter-spacing: -.02em; line-height: 1.22; font-size: clamp(1.15rem, 1.7vw, 1.5rem); }
.principle-src { margin-top: 1.2rem; color: var(--ink-faint); font-size: .85rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
@media (max-width: 820px) { .principles-grid { grid-template-columns: 1fr; gap: 8px; } .principle { padding-block: 1.4rem; } }

/* =========================================================================
   Specs (l'objet en détail)
   ========================================================================= */
.specs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.spec { background: var(--paper); padding: clamp(22px, 3vw, 36px); }
.spec-val { font-weight: 800; letter-spacing: -.03em; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1; }
.spec-val span { font-size: .5em; color: var(--ink-faint); font-weight: 600; }
.spec-label { margin-top: .7rem; color: var(--ink-soft); font-size: .95rem; }
.spec-note { color: var(--ink-faint); font-size: .8rem; margin-top: .2rem; }
@media (max-width: 760px) { .specs-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .specs-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   FAQ (accordéon natif)
   ========================================================================= */
.faq-list { max-width: 780px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; padding: clamp(20px, 2.6vw, 30px) 44px clamp(20px, 2.6vw, 30px) 0; font-weight: 600; letter-spacing: -.02em; font-size: clamp(1.1rem, 1.8vw, 1.4rem); position: relative; transition: color .2s var(--ease); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 14px; margin-top: -7px;
  background: linear-gradient(var(--accent),var(--accent)) center/14px 2px no-repeat, linear-gradient(var(--accent),var(--accent)) center/2px 14px no-repeat;
  transition: transform .3s var(--ease); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 44px 26px 0; color: var(--ink-soft); font-size: 1.06rem; max-width: 62ch; }

/* =========================================================================
   Reveal renforcé + parallax d'images
   ========================================================================= */
.js .reveal { transform: translateY(34px); }
[data-parallax] { will-change: transform; }
.spec-foot { margin-top: 1.4rem; }