/* Final Touch, site. Couleurs et formes reprises du plug (V5-2 « Couleurs sur papier »). */

@font-face { font-family: 'Geist'; src: url(../assets/fonts/Geist-Variable.woff2) format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Geist Mono'; src: url(../assets/fonts/GeistMono-Variable.woff2) format('woff2'); font-weight: 100 900; font-display: swap; }

:root {
  --paper: #ecebe6;
  --surface: #f5f4f0;
  --raised: #fbfaf7;
  --ink: #141519;
  --ink-2: #3c3e44;
  --muted: #6a6d74;
  --line: #d8d7d1;
  --line-2: #c9c8c1;
  --accent: #e8501a;
  --accent-ink: #b83c0f;
  --k-clean: #14998a;
  --k-color: #c98418;
  --k-punch: #d6533a;
  --k-vocal: #7b58d6;
  --k-air: #2f7fd0;
  --shadow: 0 1px 0 rgb(255 255 255 / .7) inset, 0 24px 60px -28px rgb(60 55 40 / .35), 0 2px 6px -2px rgb(60 55 40 / .12);
  --r: 14px;
  --r-s: 10px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-io: cubic-bezier(0.77, 0, 0.175, 1);
  --gutter: clamp(16px, 4vw, 48px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121316;
    --surface: #1a1b1f;
    --raised: #202126;
    --ink: #ecebe8;
    --ink-2: #c4c4c0;
    --muted: #8b8f98;
    --line: #2a2b30;
    --line-2: #383a40;
    --accent: #f2562a;
    --accent-ink: #ff7a52;
    --k-clean: #4fc9bb;
    --k-color: #e9a94a;
    --k-punch: #f0775a;
    --k-vocal: #b291f0;
    --k-air: #6aaef0;
    --shadow: 0 1px 0 rgb(255 255 255 / .05) inset, 0 30px 70px -30px rgb(0 0 0 / .7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121316; --surface: #1a1b1f; --raised: #202126; --ink: #ecebe8; --ink-2: #c4c4c0; --muted: #8b8f98;
  --line: #2a2b30; --line-2: #383a40; --accent: #f2562a; --accent-ink: #ff7a52;
  --k-clean: #4fc9bb; --k-color: #e9a94a; --k-punch: #f0775a; --k-vocal: #b291f0; --k-air: #6aaef0;
  --shadow: 0 1px 0 rgb(255 255 255 / .05) inset, 0 30px 70px -30px rgb(0 0 0 / .7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.55 'Geist', system-ui, sans-serif; font-feature-settings: 'ss01';
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.mono { font-family: 'Geist Mono', ui-monospace, monospace; font-feature-settings: 'zero' 0; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: #fff; }

.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
section { padding: clamp(72px, 11vw, 140px) 0; }
.lead { max-width: 56ch; font-size: clamp(17px, 1.5vw, 19px); color: var(--ink-2); margin: 20px 0 0; text-wrap: pretty; }

/* Lettrage */
.lt { margin: 0; color: var(--ink); --lead: 1.3; }
.lt .lt-box { display: block; width: 100%; }
.lt-line { display: block; overflow: visible; margin-top: calc(var(--cap) * -0.06); max-width: 100%; height: auto; }
.lt-xl { --cap: clamp(34px, 4.6vw, 70px); }
.lt-l  { --cap: clamp(30px, 4.6vw, 64px); max-width: calc(var(--cap) * 13); }
.lt-l + .lead { margin-top: 28px; }
.lt-l + * { margin-top: 0; }
.lt-m  { --cap: clamp(28px, 3vw, 40px); }
.lt-ch { transform-box: fill-box; transform-origin: 50% 60%; }

/* Arrivee lettre par lettre (variante V1 du plug, adoucie) */
@media (prefers-reduced-motion: no-preference) {
  .lt.is-armed .lt-ch { opacity: 0; transform: translateX(calc(var(--i) * 3px + 14px)) rotateX(48deg); }
  .lt.is-in .lt-ch {
    opacity: 1; transform: none;
    transition: opacity .55s var(--ease-out), transform .7s var(--ease-out);
    transition-delay: calc(var(--i) * 14ms);
  }
  .reveal { opacity: 0; transform: translateY(14px); }
  .reveal.is-in { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .8s var(--ease-out); transition-delay: var(--d, 0ms); }
}

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 24px; border-radius: var(--r-s); border: 1px solid transparent;
  font-weight: 550; font-size: 16px; letter-spacing: -0.005em; text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform .16s var(--ease-out), background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn:active { transform: scale(0.97); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-line { border-color: var(--line-2); background: transparent; color: var(--ink); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 15px; }
.btn-wide { width: 100%; }
@media (hover: hover) and (pointer: fine) {
  .btn-ink:hover { background: color-mix(in oklab, var(--ink) 86%, var(--accent)); }
  .btn-line:hover { border-color: var(--ink); }
}

/* Navigation */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in oklab, var(--paper) 82%, transparent); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid transparent; transition: border-color .3s ease; }
.nav.is-stuck { border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: block; flex: none; }
.logo { height: 26px; width: auto; }
.logo-chalk { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo-ink { display: none; } :root:not([data-theme="light"]) .logo-chalk { display: block; } }
:root[data-theme="dark"] .logo-ink { display: none; }
:root[data-theme="dark"] .logo-chalk { display: block; }
.nav-links { display: flex; gap: 28px; margin-left: 12px; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 15px; transition: color .2s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-end { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.lang { display: flex; padding: 3px; border-radius: 9px; background: color-mix(in oklab, var(--ink) 7%, transparent); }
.lang button { border: 0; background: none; padding: 5px 9px; border-radius: 7px; font: 500 13px 'Geist Mono', monospace; color: var(--muted); cursor: pointer; transition: background-color .2s ease, color .2s ease; }
.lang button[aria-pressed="true"] { background: var(--raised); color: var(--ink); box-shadow: 0 1px 2px rgb(0 0 0 / .08); }
@media (max-width: 860px) { .nav-links { display: none; } }

/* Accroche */
.hero { padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.hero-sub { font-size: clamp(18px, 1.6vw, 21px); color: var(--ink-2); max-width: 38ch; margin: 28px 0 0; text-wrap: pretty; --d: 280ms; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; --d: 380ms; }
.hero-shot { margin: 0 calc(var(--gutter) * -1 - max(0px, (100vw - 1280px) / 2)) 0 0; position: relative; }
.hero-shot img { width: 100%; border-radius: var(--r) 0 0 var(--r); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hero-shot img { box-shadow: var(--shadow); } }
:root[data-theme="dark"] .hero-shot img { box-shadow: var(--shadow); }
@media (prefers-reduced-motion: no-preference) {
  html:not(.ready) .hero-shot img { opacity: 0; }
  .ready .hero-shot img { animation: shot-in 1.2s var(--ease-out) 120ms both; }
  @keyframes shot-in { from { opacity: 0; transform: translateX(40px) scale(.985); clip-path: inset(0 0 0 12%); } to { opacity: 1; transform: none; clip-path: inset(0); } }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-shot { margin-right: calc(var(--gutter) * -1); }
}

/* Chiffres */
.facts { padding: 0 0 clamp(56px, 8vw, 110px); }
.facts-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.fact { padding: 28px 28px 0 0; }
.fact + .fact { padding-left: 28px; border-left: 1px solid var(--line); }
.fact-n { display: block; --cap: 46px; --lead: 1.25; color: var(--ink); }
.fact p { margin: 10px 0 0; font-size: 15px; color: var(--muted); max-width: 26ch; }
.fact .mono { color: var(--ink-2); }
.fact:nth-child(2) { --d: 60ms; } .fact:nth-child(3) { --d: 120ms; } .fact:nth-child(4) { --d: 180ms; }
@media (max-width: 860px) {
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 28px; }
}

/* Essai */
.try { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.demo { margin-top: clamp(36px, 5vw, 64px); display: grid; grid-template-columns: minmax(260px, 4fr) minmax(0, 8fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.demo-side { display: grid; gap: 28px; position: sticky; top: 92px; }
.drop {
  position: relative; display: grid; gap: 6px; place-content: center; text-align: center; min-height: 200px; padding: 24px;
  border: 1.5px dashed var(--line-2); border-radius: var(--r); background: var(--raised); cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, transform .16s var(--ease-out);
}
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop:hover, .drop.is-over { border-color: var(--accent); }
.drop.is-over { background: color-mix(in oklab, var(--accent) 6%, var(--raised)); transform: scale(1.01); }
.drop-t { font-weight: 600; font-size: 18px; }
.drop-s { color: var(--muted); font-size: 14px; }
.drop-name { margin-top: 10px; font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }
.field { display: grid; gap: 10px; }
.field-l, .ro-l { font-size: 13px; color: var(--muted); }
.seg { display: inline-flex; flex-wrap: wrap; padding: 4px; gap: 2px; border-radius: 12px; background: color-mix(in oklab, var(--ink) 7%, transparent); width: fit-content; }
.seg button { border: 0; background: none; height: 38px; padding: 0 15px; border-radius: 9px; font-size: 15px; font-weight: 500; color: var(--ink-2); cursor: pointer; transition: background-color .2s ease, color .2s ease, transform .16s var(--ease-out); }
.seg button:active { transform: scale(0.96); }
.seg button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.seg button:disabled { opacity: .5; cursor: default; }
.privacy { margin: 0; font-size: 14px; color: var(--muted); max-width: 34ch; }

.demo-main { background: var(--raised); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(18px, 2.4vw, 28px); min-height: 520px; display: grid; gap: 24px; align-content: start; box-shadow: var(--shadow); }
.wave-box { position: relative; height: 112px; border-radius: var(--r-s); background: var(--surface); overflow: hidden; touch-action: pan-y; }
.wave { width: 100%; height: 100%; display: block; }
.win { position: absolute; top: 0; bottom: 0; border: 2px solid var(--ink); border-radius: 8px; background: color-mix(in oklab, var(--accent) 8%, transparent); cursor: grab; touch-action: none; }
.win:active { cursor: grabbing; }
.win-play { position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: var(--accent); transform: translateX(var(--p, 0px)); }
.wave-hint { margin: -14px 0 0; font-size: 13px; color: var(--muted); }

.demo-empty, .demo-busy, .demo-result { display: none; }
.demo[data-state="empty"] .demo-empty { display: grid; place-items: center; min-height: 330px; color: var(--muted); text-align: center; border-radius: var(--r-s); }
.demo-empty p { max-width: 30ch; margin: 0; }
.demo[data-state="busy"] .demo-busy { display: grid; place-content: center; gap: 28px; min-height: 330px; justify-items: center; }
.demo[data-state="done"] .demo-result { display: grid; }
.step-title { --cap: clamp(34px, 4vw, 54px); width: min(560px, 100%); text-align: center; min-height: calc(var(--cap) * 1.4); }
.step-title .lt-box { display: flex; justify-content: center; }
.busy-bar { width: min(320px, 70vw); height: 3px; border-radius: 3px; background: var(--line); overflow: hidden; }
.busy-bar span { display: block; height: 100%; width: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(var(--prog, 0)); transition: transform .25s linear; }

.demo-result { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px 32px; }
.transport { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn-play { width: 52px; padding: 0; }
.btn-play .i-pause { display: none; }
.btn-play.is-playing .i-play { display: none; }
.btn-play.is-playing .i-pause { display: inline; }
.btn-rerun { margin-left: auto; }
.readouts { display: grid; gap: 22px; align-content: start; }
.ro-main { display: grid; gap: 4px; }
.ro-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ro-big { display: flex; align-items: flex-end; gap: 10px; }
.lt-num { --cap: clamp(56px, 6vw, 84px); --lead: 1.2; }
.lt-num .lt-box { width: auto; }
.unit { font-size: 14px; color: var(--muted); padding-bottom: 14px; }
.ro-ceil { font-size: 13px; color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 12px; }
.ro-row { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); padding-top: 16px; }
.ro-row > div { display: grid; grid-template-columns: auto auto; justify-content: start; column-gap: 6px; align-items: baseline; }
.ro-row > div + div { border-left: 1px solid var(--line); padding-left: 16px; }
.ro-row .ro-l { grid-column: 1 / -1; }
.ro-v { font-size: 26px; font-weight: 500; letter-spacing: -0.02em; }
.ro-row .unit { padding: 0; font-size: 12px; }
.eq-box { display: grid; gap: 8px; align-content: start; }
.eq { width: 100%; aspect-ratio: 16 / 9; display: block; }
.diag { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 16px; display: grid; gap: 8px; }
.diag ul { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--accent); display: grid; gap: 4px; }
.diag li { font-size: 16px; }
.demo-err { margin: 0; color: var(--accent-ink); font-weight: 500; }
@media (max-width: 900px) {
  .demo { grid-template-columns: 1fr; }
  .demo-side { position: static; }
  .demo-result { grid-template-columns: 1fr; }
  .drop { min-height: 150px; }
  .demo-main { min-height: 0; }
}

/* Reglages */
.knobs { margin-top: clamp(40px, 6vw, 72px); display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; padding: clamp(20px, 3vw, 36px) clamp(8px, 2vw, 24px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.knob-b { display: grid; justify-items: center; gap: 14px; padding: 14px 4px 12px; border: 0; background: none; border-radius: var(--r-s); cursor: pointer; transition: background-color .25s ease; }
.knob-b[aria-selected="true"] { background: var(--raised); box-shadow: 0 1px 3px rgb(0 0 0 / .06); }
.knob { --size: clamp(64px, 8vw, 104px); position: relative; width: var(--size); height: var(--size); }
.knob::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 225deg, var(--c) 0deg calc(var(--fill) * 270deg), var(--line-2) calc(var(--fill) * 270deg) 270deg, transparent 270deg);
  -webkit-mask: radial-gradient(circle, transparent 0 calc(50% - 5px), #000 calc(50% - 4px));
          mask: radial-gradient(circle, transparent 0 calc(50% - 5px), #000 calc(50% - 4px));
}
.knob-cap {
  position: absolute; inset: 0; margin: auto; width: 74%; height: 74%; border-radius: 50%;
  background: radial-gradient(circle at 50% 30%, #ffffff, #efeeea 70%);
  box-shadow: 0 6px 14px -6px rgb(40 35 25 / .45), 0 1px 0 #fff inset, 0 -1px 2px rgb(0 0 0 / .08) inset;
  transform: rotate(calc(-135deg + var(--fill) * 270deg));
}
.knob-cap::after { content: ''; position: absolute; top: 12%; left: 50%; width: 10%; height: 10%; margin-left: -5%; border-radius: 50%; background: var(--c); }
.knob-n { font-weight: 600; font-size: 16px; }
@property --fill { syntax: '<number>'; inherits: true; initial-value: 0; }
.knob-b { --fill: 0; transition: --fill 1.2s var(--ease-out), background-color .25s ease; transition-delay: calc(var(--n, 0) * 80ms), 0s; }
.knobs.is-in .knob-b { --fill: var(--v); }
@media (prefers-reduced-motion: reduce) { .knob-b { --fill: var(--v); transition: none; } }
.knob-detail { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 8px 48px; align-items: start; min-height: 150px; }
.kd-name { grid-row: span 2; color: var(--kd, var(--ink)); }
.kd-desc { margin: 0; font-size: clamp(18px, 1.6vw, 21px); color: var(--ink); max-width: 46ch; text-wrap: pretty; }
.kd-ref { margin: 0; font-size: 14px; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) {
  .knob-detail.swap .kd-desc, .knob-detail.swap .kd-ref { animation: kd .45s var(--ease-out) both; }
  .knob-detail.swap .kd-ref { animation-delay: 60ms; }
  @keyframes kd { from { opacity: 0; transform: translateY(8px); filter: blur(3px); } }
}
@media (max-width: 760px) {
  .knobs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .knob-detail { grid-template-columns: 1fr; }
  .kd-name { grid-row: auto; margin-bottom: 8px; }
}

/* Qualite d'abord */
.quality-grid { margin-top: 8px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: end; }
.ceilings { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.ceilings li { padding: 14px 0 0; display: grid; gap: 6px; }
.ceilings li + li { padding-left: 14px; border-left: 1px solid var(--line); }
.c-style { font-size: 14px; color: var(--muted); }
.c-n { --cap: clamp(20px, 1.9vw, 30px); --lead: 1.25; }
.c-unit { font-size: 12px; color: var(--muted); }
.ceilings li:nth-child(2) { --d: 70ms; } .ceilings li:nth-child(3) { --d: 140ms; } .ceilings li:nth-child(4) { --d: 210ms; } .ceilings li:nth-child(5) { --d: 280ms; }
.tp-note { margin: 40px 0 0; font-size: 15px; color: var(--ink-2); display: flex; gap: 12px; align-items: baseline; }
.tp-note::before { content: ''; flex: none; width: 24px; height: 2px; background: var(--accent); transform: translateY(-4px); }
@media (max-width: 900px) {
  .quality-grid { grid-template-columns: 1fr; }
  .ceilings { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 20px; }
  .ceilings li:nth-child(4) { padding-left: 0; border-left: 0; }
  .c-n { --cap: 26px; }
}

/* Comment */
.how { border-top: 1px solid var(--line); }
.how-row { list-style: none; margin: clamp(36px, 5vw, 64px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); counter-reset: how; }
.how-row li { position: relative; padding-top: 26px; border-top: 2px solid var(--ink); }
.how-row li:nth-child(2) { --d: 90ms; } .how-row li:nth-child(3) { --d: 180ms; }
.how-row h3 { margin: 0; font-size: 21px; font-weight: 600; letter-spacing: -0.015em; }
.how-row p { margin: 10px 0 0; color: var(--ink-2); max-width: 34ch; }
.fake-listen { display: inline-flex; align-items: center; height: 44px; padding: 0 22px; margin-top: 22px; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; font-size: 16px; }
@media (prefers-reduced-motion: no-preference) {
  .how-row li.is-in .fake-listen { animation: press 2.8s var(--ease-out) 900ms infinite; }
  @keyframes press { 0%, 70%, 100% { transform: none; } 74% { transform: scale(.95); } 80% { transform: none; } }
}
@media (max-width: 760px) { .how-row { grid-template-columns: 1fr; } }

/* Autour */
.tools { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.bento { margin-top: clamp(36px, 5vw, 64px); display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.cell { border-radius: var(--r); background: var(--raised); border: 1px solid var(--line); padding: 26px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; position: relative; min-height: 260px; }
.cell h3 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.015em; }
.cell p { margin: 0; color: var(--ink-2); max-width: 40ch; }
.cell-ab { grid-column: span 3; }
.cell-mon { grid-column: span 3; background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cell-mon p { color: color-mix(in oklab, var(--paper) 72%, transparent); }
.cell-diag { grid-column: span 2; }
.cell-rem { grid-column: span 2; }
.cell-plat { grid-column: span 2; }
.cell-ab { justify-content: flex-end; }
.ab-demo { display: inline-flex; padding: 4px; border-radius: 12px; background: color-mix(in oklab, var(--ink) 7%, transparent); width: fit-content; margin-bottom: auto; position: relative; }
.ab-demo span { position: relative; z-index: 1; height: 44px; padding: 0 22px; display: grid; place-items: center; font-weight: 500; color: var(--ink-2); transition: color .35s ease; }
.ab-demo span.on { color: var(--paper); }
.ab-demo::before { content: ''; position: absolute; top: 4px; bottom: 4px; left: var(--x, 50%); width: var(--w, 50%); border-radius: 9px; background: var(--ink); transition: left .45s var(--ease-io), width .45s var(--ease-io); }
.mon-list { list-style: none; margin: auto 0 0; padding: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.mon-list li { padding: 8px 14px; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent); font-size: 15px; transition: background-color .35s ease, color .35s ease, border-color .35s ease; }
.mon-list li.on { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.crop { margin: -26px -26px 18px; border-bottom: 1px solid var(--line); background: var(--paper); }
.crop img { width: 100%; }
.rem-wave { margin: auto -26px -26px; width: calc(100% + 52px); height: 90px; display: block; }
.plat { margin: auto 0 0; padding-top: 18px; display: grid; gap: 0; }
.plat div { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px solid var(--line); }
.plat dt { color: var(--ink-2); }
.plat dd { margin: 0; }
.cell:nth-child(2) { --d: 60ms; } .cell:nth-child(3) { --d: 0ms; } .cell:nth-child(4) { --d: 70ms; } .cell:nth-child(5) { --d: 140ms; }
@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr; }
  .cell { grid-column: auto !important; min-height: 0; }
  .ab-demo { margin-bottom: 18px; }
}

/* Prix */
.price-grid { margin-top: clamp(36px, 5vw, 64px); display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 14px; align-items: stretch; }
.offer { border-radius: var(--r); border: 1px solid var(--line); background: var(--surface); padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 22px; }
.offer-main { background: var(--raised); box-shadow: var(--shadow); }
.offer-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.offer h3 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.offer-note { font-size: 14px; color: var(--accent-ink); font-weight: 500; }
.offer-price { display: flex; align-items: center; gap: 10px; }
.cur { font-size: clamp(28px, 3vw, 40px); font-weight: 600; letter-spacing: -0.02em; }
.lt-price { --cap: clamp(52px, 6vw, 80px); --lead: 1.2; }
.lt-price .lt-box { width: auto; }
.offer-price s { color: var(--muted); font-size: 18px; margin-left: 12px; text-decoration-thickness: 1.5px; font-variant-numeric: tabular-nums; }
.offer-inc { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.offer-inc li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--ink-2); }
.offer-stu-note { margin: 0; color: var(--ink-2); max-width: 32ch; }
.offer .btn { margin-top: auto; }
.offer-stu { --d: 80ms; }
.pending { margin: 24px 0 0; font-size: 15px; color: var(--muted); }
@media (max-width: 860px) { .price-grid { grid-template-columns: 1fr; } }

/* Questions */
.faq { border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(28px, 5vw, 80px); align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-size: 19px; font-weight: 500; letter-spacing: -0.01em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ''; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: translateY(-70%) rotate(45deg); transition: transform .3s var(--ease-out); }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { margin: 0 0 24px; color: var(--ink-2); max-width: 60ch; }
@media (prefers-reduced-motion: no-preference) {
  .faq details[open] p { animation: kd .4s var(--ease-out) both; }
}
@media (max-width: 860px) { .faq-grid { grid-template-columns: 1fr; } }

/* Pied */
.foot { border-top: 1px solid var(--line); padding: 48px 0 calc(48px + env(safe-area-inset-bottom)); }
.foot-in { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; }
.foot-sign { width: 36px; height: 36px; }
.foot p { margin: 0; color: var(--ink-2); font-size: 15px; }
.foot-links { display: flex; gap: 24px; font-size: 15px; }
.foot-links a { text-decoration: none; color: var(--ink-2); }
.foot-links a:hover { color: var(--ink); }
.foot-links .mono { font-size: 14px; }
@media (max-width: 760px) { .foot-in { grid-template-columns: 1fr; } .foot-links { flex-direction: column; gap: 10px; } }

/* Le probleme */
.pain { padding: clamp(32px, 5vw, 64px) 0 clamp(56px, 8vw, 104px); }
.pain-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: end; }
.pain-lead { margin: 0; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.25; letter-spacing: -0.022em; font-weight: 500; color: var(--muted); text-wrap: pretty; }
.pain-fix { margin: 20px 0 0; font-size: clamp(24px, 2.6vw, 36px); line-height: 1.25; letter-spacing: -0.022em; font-weight: 500; color: var(--ink); text-wrap: pretty; --d: 120ms; }
.pain-who { margin: 0; display: grid; gap: 0; }
.pain-who div { padding: 16px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 7.5em 1fr; gap: 16px; }
.pain-who div:nth-child(2) { --d: 70ms; } .pain-who div:nth-child(3) { --d: 140ms; }
.pain-who dt { font-weight: 600; }
.pain-who dd { margin: 0; color: var(--ink-2); }
@media (max-width: 900px) { .pain-grid { grid-template-columns: 1fr; } .pain-who div { grid-template-columns: 1fr; gap: 4px; } }

/* Appel a l achat dans le resultat de la demo */
.try-cta { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 20px; border-radius: var(--r-s); background: var(--surface); border: 1px solid var(--line); }
.try-cta p { margin: 0; font-weight: 500; max-width: 36ch; }
@media (prefers-reduced-motion: no-preference) {
  .demo[data-state="done"] .try-cta { animation: kd .6s var(--ease-out) .9s both; }
}

/* Prix : complements */
.off { font-size: 13px; font-weight: 600; color: #fff; background: var(--accent); border-radius: 6px; padding: 3px 7px; margin-left: 4px; }
.offer-frame { margin: -6px 0 0; color: var(--ink-2); }
.offer-act { margin-top: auto; display: grid; gap: 10px; }
.offer-after { margin: 0; font-size: 13px; color: var(--muted); text-align: center; }
.unsure { margin: 22px 0 0; }
.unsure a { color: var(--ink); font-weight: 500; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; text-underline-offset: 4px; }

/* Appel final */
.final { border-top: 1px solid var(--line); background: var(--surface); }
.final .hero-ctas { margin-top: 32px; }

/* Barre d achat mobile */
.sticky-buy { display: none; }
@media (max-width: 760px) {
  .sticky-buy {
    position: fixed; z-index: 30; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom));
    display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 12px; border-radius: 14px;
    background: color-mix(in oklab, var(--raised) 92%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--line); box-shadow: 0 12px 30px -12px rgb(0 0 0 / .25);
    transform: translateY(calc(100% + 24px)); transition: transform .35s var(--ease-out);
  }
  .sticky-buy.is-on { transform: none; }
  .sticky-buy .sb-name { font-weight: 600; white-space: nowrap; font-size: 15px; }
  .sticky-buy .sb-price { margin-left: auto; font: 14px 'Geist', sans-serif; white-space: nowrap; font-variant-numeric: tabular-nums; }
  .sticky-buy s { color: var(--muted); }
  .sticky-buy b { font-weight: 600; }
  .sticky-buy .btn { pointer-events: auto; }
  .foot { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
}

/* Installation : l avertissement des systemes, explique sans detour */
.install { border-top: 1px solid var(--line); }
.install-grid { margin-top: clamp(32px, 4vw, 52px); display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.os { border-radius: var(--r); border: 1px solid var(--line); background: var(--raised); padding: clamp(22px, 3vw, 32px); }
.os:nth-child(2) { --d: 80ms; }
.os h3 { margin: 0 0 16px; font-size: 21px; font-weight: 600; letter-spacing: -0.015em; }
.os ol { margin: 0; padding: 0; list-style: none; counter-reset: st; display: grid; gap: 0; }
.os li { counter-increment: st; display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); color: var(--ink-2); }
.os li::before { content: counter(st); width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font: 600 12px 'Geist', sans-serif; margin-top: 2px; }
.install-note { margin: 20px 0 0; font-size: 15px; color: var(--muted); }
.offer-warn { margin: 2px 0 0; font-size: 13px; color: var(--ink-2); text-align: center; }
.offer-warn a { color: var(--ink); font-weight: 500; text-decoration-color: var(--accent); text-underline-offset: 3px; }
@media (max-width: 860px) { .install-grid { grid-template-columns: 1fr; } }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; pointer-events: none; }

/* Fin du lancement : prix normal, sans barre ni pastille */
.lancement-fini [data-price-old], .lancement-fini .off { display: none; }

/* « Préviens-moi » sous la demo */
.previens { display: grid; gap: 10px; padding-top: 22px; border-top: 1px solid var(--line); }
.previens-t { margin: 0; font-size: 14px; color: var(--ink-2); max-width: 34ch; }
.previens-row { display: flex; gap: 8px; }
.previens input, .etu input[type=email] {
  flex: 1; min-width: 0; height: 40px; padding: 0 12px; border-radius: var(--r-s); border: 1px solid var(--line-2);
  background: var(--raised); color: var(--ink); font: 15px 'Geist', sans-serif;
}
.previens input::placeholder { color: var(--muted); }
.previens input:focus-visible, .etu input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.previens-msg { margin: 0; min-height: 1.2em; font-size: 13px; color: var(--ink-2); }

/* Tarif etudiant */
.etu { width: min(480px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; background: var(--raised); color: var(--ink); box-shadow: var(--shadow); }
.etu::backdrop { background: rgb(18 19 22 / .45); backdrop-filter: blur(3px); }
.etu h2 { margin: 0 0 8px; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.etu p { margin: 0 0 18px; color: var(--ink-2); font-size: 15px; }
.etu-l { display: grid; gap: 6px; margin-bottom: 16px; font-size: 14px; color: var(--ink-2); }
.etu input[type=email] { height: 44px; }
.etu input[type=file] { font: 14px 'Geist', sans-serif; color: var(--ink-2); }
.etu-msg { min-height: 1.3em; color: var(--ink) !important; font-weight: 500; }
.etu-act { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
@media (prefers-reduced-motion: no-preference) {
  .etu[open] { animation: etu-in .25s var(--ease-out); }
  @keyframes etu-in { from { opacity: 0; transform: translateY(8px) scale(.98); } }
}