/* Adamantis — landing. Design system « Émeraude » (tokens repris de l'app).
   Couche premium : mesh animé, glows dosés, micro-interactions, reveals.
   Tout est enhancement : sans JS ni animation, la page est complète. */

:root {
  --ink: #0E1524;
  --ink-hover: #1A2438;
  --emerald: #10B981;
  --emerald-bright: #2BB673;
  --emerald-bright-hover: #3ECF87;
  --emerald-text: #12996B;
  --emerald-bg: #E3F4EC;
  --emerald-bg-2: #F1FAF5;
  --emerald-border: #D8EFE3;
  --cream: #F6F5F1;
  --card: #FFFFFF;
  --border: #E9E7E1;
  --muted-border: #EDEBE4;
  --text: #3C4250;
  --muted: #6B7280;
  --faint: #9AA0A9;
  --muted-dark: #8B93A1;
  --warn: #B4552D;
  --radius: 22px;
  --shadow: 0 1px 4px rgba(14, 21, 36, .05);
  --shadow-lift: 0 12px 32px rgba(14, 21, 36, .09);
  --font-sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --ease-out: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: linear-gradient(180deg, #F6F5F1 0%, #EDF6F0 100%) fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--ink);
  line-height: 1.12;
  margin: 0 0 .5em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: 40px; line-height: 1.12; }
h2 { font-size: 30px; line-height: 1.18; }
h3 { font-size: 19px; }

h1 em, h2 em, .sc-chute em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

p { margin: 0 0 1em; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
a { color: var(--emerald-text); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow { max-width: 780px; }

.nowrap { white-space: nowrap; }

.overline {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--emerald-text);
  margin: 0 0 14px;
}

.overline-light { color: var(--emerald-bright); }

.section { padding: 80px 0; scroll-margin-top: 96px; }
#hero { scroll-margin-top: 96px; }

.section-intro {
  font-size: 18px;
  max-width: 720px;
  margin-bottom: 40px;
}

.section-cta { margin-top: 36px; }

.section-note {
  margin-top: 28px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Boutons + micro-interactions ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease,
              transform .18s var(--ease-out), box-shadow .25s ease;
  will-change: transform;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.97); }

.btn-primary { background: var(--ink); color: #FFFFFF; }
.btn-primary:hover { background: var(--ink-hover); box-shadow: 0 8px 22px rgba(14, 21, 36, .22); }

.btn-accent { background: var(--emerald-bright); color: var(--ink); }
.btn-accent:hover {
  background: var(--emerald-bright-hover);
  box-shadow: 0 6px 22px rgba(43, 182, 115, .42);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-outline:hover { background: rgba(14, 21, 36, .05); }

.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-sm { min-height: 40px; padding: 9px 16px; font-size: 13.5px; }
.btn-block { width: 100%; }

.btn-ghost-light {
  background: transparent;
  color: #E8ECF3;
  border: 1.5px solid rgba(255, 255, 255, .35);
}
.btn-ghost-light:hover { border-color: rgba(255, 255, 255, .7); }

/* ---------- Tags / badges ---------- */

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  vertical-align: middle;
}

.tag-beta { background: var(--emerald-bg); color: var(--emerald-text); }
.tag-dev { background: #EFEDE6; color: var(--ink); }
.tag-sample {
  background: rgba(255, 255, 255, .1);
  color: var(--muted-dark);
  border: 1px solid rgba(255, 255, 255, .14);
  text-transform: none;
  letter-spacing: .02em;
  font-weight: 600;
}

/* ---------- Navigation ---------- */

.site-nav {
  position: sticky;
  top: 12px;
  z-index: 50;
  padding: 12px 16px 0;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--emerald), var(--emerald-bright));
  transform: scaleX(0);
  transform-origin: left center;
  z-index: 60;
  pointer-events: none;
}

.nav-pill {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 8px 18px;
  background: rgba(14, 21, 36, .92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(14, 21, 36, .18);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 16px;
  min-height: 44px;
}
.nav-logo:hover { text-decoration: none; color: #FFFFFF; }
.nav-logo svg { transition: transform .4s var(--ease-out); }
.nav-logo:hover svg { transform: rotate(90deg); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: #C7CDD9;
  font-size: 14px;
  font-weight: 500;
  border-radius: 999px;
  white-space: nowrap;
  transition: color .18s ease;
}

/* Soulignement animé + scrollspy */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--emerald-bright);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s var(--ease-out);
}
.nav-links a:hover { color: #FFFFFF; text-decoration: none; }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links a.is-active { color: #FFFFFF; }

@media (min-width: 768px) and (max-width: 1023px) {
  .nav-links a { padding: 0 8px; font-size: 13.5px; }
  .nav-links a::after { left: 8px; right: 8px; }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links + .nav-actions { margin-left: 0; }

.nav-login {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: #C7CDD9;
  font-size: 14px;
  font-weight: 500;
  transition: color .18s ease;
}
.nav-login:hover { color: #FFFFFF; text-decoration: none; }

.btn-nav { min-height: 40px; padding: 9px 18px; font-size: 14px; }

/* Burger mobile (< 768 px) */
.nav-burger { display: none; position: relative; margin-left: auto; }
.nav-burger summary {
  list-style: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  cursor: pointer;
  border-radius: 999px;
}
.nav-burger summary::-webkit-details-marker { display: none; }
.nav-burger summary span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #C7CDD9;
  transition: transform .25s var(--ease-out), opacity .2s ease;
}
.nav-burger[open] summary { background: rgba(255, 255, 255, .08); }
.nav-burger[open] summary span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger[open] summary span:nth-child(2) { opacity: 0; }
.nav-burger[open] summary span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links-mobile {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  min-width: 210px;
  padding: 8px;
  margin: 0;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(14, 21, 36, .3);
}
.nav-burger[open] .nav-links-mobile { animation: menuIn .22s var(--ease-out); }
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.nav-links-mobile a { display: flex; }
.nav-links-mobile a::after { display: none; }

/* ---------- Hero : fond vivant ---------- */

.hero {
  position: relative;
  padding: 80px 0 64px;
  overflow: clip;
}

/* Mesh dégradé emerald/ink, dérive lente */
.hero::before {
  content: "";
  position: absolute;
  inset: -15%;
  z-index: -2;
  background:
    radial-gradient(38% 42% at 16% 20%, rgba(16, 185, 129, .17), transparent 70%),
    radial-gradient(32% 36% at 84% 14%, rgba(18, 153, 107, .11), transparent 70%),
    radial-gradient(44% 48% at 68% 88%, rgba(14, 21, 36, .07), transparent 70%),
    radial-gradient(30% 34% at 30% 78%, rgba(43, 182, 115, .09), transparent 70%);
  animation: meshDrift 26s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes meshDrift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(3.5%, -2.5%, 0) scale(1.05); }
}

/* Grille discrète */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(14, 21, 36, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 21, 36, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(75% 70% at 50% 30%, #000 30%, transparent 100%);
  mask-image: radial-gradient(75% 70% at 50% 30%, #000 30%, transparent 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

.hero-copy h1 { margin-bottom: 22px; }
.hero-copy h1 .w { display: inline-block; }
.hero-text { font-size: 18px; max-width: 540px; margin-bottom: 30px; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.hero-reassurance {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
}

/* Indicateur scroll */
.scroll-hint {
  display: none;
  justify-content: center;
  margin-top: 56px;
}
.scroll-hint-dot {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(14, 21, 36, .25);
  border-radius: 999px;
  position: relative;
}
.scroll-hint-dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 4px;
  background: var(--emerald-text);
  animation: scrollHint 2.4s var(--ease-out) 3;
}
@keyframes scrollHint {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- Démo produit (panneau ink premium) ---------- */

.hero-demo { max-width: 560px; width: 100%; position: relative; }

/* Halo emerald derrière la démo */
.hero-demo::before {
  content: "";
  position: absolute;
  inset: -10% -14%;
  z-index: -1;
  background: radial-gradient(50% 50% at 50% 45%, rgba(43, 182, 115, .22), transparent 72%);
  filter: blur(18px);
  pointer-events: none;
}

.demo-panel {
  position: relative;
  border-radius: var(--radius);
  padding: 22px;
  color: #E8ECF3;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  /* Bordure en dégradé emerald subtil */
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(140deg, rgba(43, 182, 115, .45), rgba(43, 182, 115, .06) 45%, rgba(255, 255, 255, .08)) border-box;
  box-shadow: 0 24px 60px rgba(14, 21, 36, .30), inset 0 1px 0 rgba(255, 255, 255, .06);
}

/* Lueur qui suit le curseur (--mx/--my posés en JS) */
.demo-panel::after,
.ink-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(43, 182, 115, .10), transparent 65%);
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.demo-panel:hover::after,
.ink-panel:hover::after { opacity: 1; }

.demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.demo-head-right { display: flex; align-items: center; gap: 8px; }

.demo-title { margin: 0; font-weight: 700; color: #FFFFFF; font-size: 15px; }

.demo-replay {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .06);
  color: #C7CDD9;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, transform .4s var(--ease-out);
}
.demo-replay:hover { color: var(--emerald-bright); border-color: rgba(43, 182, 115, .5); transform: rotate(-180deg); }

.demo-score { display: flex; align-items: center; gap: 16px; }

.ring-bg { fill: none; stroke: rgba(255, 255, 255, .12); stroke-width: 10; }
.ring-val { fill: none; stroke: url(#ringGrad); stroke-width: 10; stroke-linecap: round; }

.score-num { margin: 0; color: #FFFFFF; font-size: 30px; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.score-max { font-size: 15px; font-weight: 600; color: var(--muted-dark); }
.score-label { margin: 4px 0 0; font-size: 12.5px; color: var(--muted-dark); }

.demo-hrv { margin: 0; }
.demo-hrv figcaption {
  font-size: 12px;
  font-weight: 600;
  color: #C7CDD9;
  margin-bottom: 6px;
}
.demo-hrv figcaption span { color: var(--muted-dark); font-weight: 500; }
.demo-hrv svg { display: block; width: 100%; height: auto; }

.hrv-baseline {
  stroke: var(--muted-dark);
  stroke-width: 1.2;
  stroke-dasharray: 4 4;
}
.hrv-baseline-label { fill: var(--muted-dark); font-size: 8.5px; }
.hrv-line {
  fill: none;
  stroke: var(--emerald-bright);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hrv-dots circle { fill: var(--emerald-bright); }

.demo-session,
.demo-reco {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 14px 16px;
}

.demo-block-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
}

.demo-session ul { display: flex; flex-direction: column; gap: 5px; }
.demo-session li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #C7CDD9;
}
.demo-load { color: var(--muted-dark); font-variant-numeric: tabular-nums; transition: color .3s ease; }
.demo-session li.is-updated .demo-load { color: var(--emerald-bright); font-weight: 700; }

.demo-reco {
  background: rgba(43, 182, 115, .12);
  border-color: rgba(43, 182, 115, .35);
  transition: background-color .35s ease, border-color .35s ease;
}
.demo-reco.is-done {
  background: rgba(43, 182, 115, .2);
  border-color: var(--emerald-bright);
}
.demo-reco p { margin: 0 0 10px; font-size: 13px; color: #DDE5EF; }
.demo-reco strong { color: #FFFFFF; }

.demo-reco-actions { display: flex; gap: 8px; }

.btn-mini-accept,
.btn-mini-ghost {
  min-height: 36px;
  padding: 7px 16px;
  font-size: 13px;
}

.btn-mini-accept { background: var(--emerald-bright); color: var(--ink); }
.btn-mini-accept:hover { background: var(--emerald-bright-hover); }
.btn-mini-accept.is-accepted { pointer-events: none; }

.btn-mini-ghost {
  background: transparent;
  color: #C7CDD9;
  border: 1.5px solid rgba(255, 255, 255, .25);
}
.btn-mini-ghost:hover { border-color: rgba(255, 255, 255, .55); }

.demo-reco-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}
.demo-reco-options button {
  text-align: left;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(43, 182, 115, .35);
  background: rgba(43, 182, 115, .08);
  color: #DDE5EF;
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, transform .18s var(--ease-out);
}
.demo-reco-options button:hover {
  background: rgba(43, 182, 115, .18);
  border-color: var(--emerald-bright);
  transform: translateX(3px);
}

.demo-chat { display: flex; flex-direction: column; gap: 8px; }

.bubble {
  margin: 0;
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.bubble-who {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 3px;
  opacity: .75;
}

.bubble-coach {
  align-self: flex-start;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #DDE5EF;
  border-bottom-left-radius: 4px;
}

.bubble-me {
  align-self: flex-end;
  background: rgba(43, 182, 115, .16);
  border: 1px solid rgba(43, 182, 115, .3);
  color: #E4F5EC;
  border-bottom-right-radius: 4px;
}

/* ---------- Orienteur d'analyse ---------- */

.finder {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 28px;
}

.finder-title { margin: 0 0 14px; font-weight: 700; color: var(--ink); font-size: 15.5px; }

.finder-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 12px; }
.finder-row:last-of-type { margin-bottom: 0; }

.finder-q {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  min-width: 140px;
}

.finder-choices { display: flex; flex-wrap: wrap; gap: 8px; }

.finder-choices button {
  min-height: 40px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease, transform .18s var(--ease-out);
}
.finder-choices button:hover { border-color: var(--emerald); transform: translateY(-1px); }
.finder-choices button.is-picked {
  background: var(--ink);
  border-color: var(--ink);
  color: #FFFFFF;
}

.finder-result {
  margin: 14px 0 0;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--emerald-bg);
  border: 1px solid var(--emerald-border);
  color: var(--emerald-text);
  font-size: 14px;
  font-weight: 600;
}

/* ---------- Cartes analyses ---------- */

.a-cards {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 16px;
  margin: 0 -4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.a-card {
  position: relative;
  flex: 0 0 84%;
  max-width: 380px;
  scroll-snap-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow .3s ease, border-color .3s ease, transform .2s var(--ease-out);
}

/* Lueur de survol suivant le curseur */
.a-card::after,
.coach-card::after,
.app-block::after,
.sec-block::after,
.proof-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(16, 185, 129, .10), transparent 70%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.a-card:hover::after,
.coach-card:hover::after,
.app-block:hover::after,
.sec-block:hover::after,
.proof-card:hover::after { opacity: 1; }

.a-card:hover, .coach-card:hover, .app-block:hover, .sec-block:hover, .proof-card:hover {
  border-color: var(--emerald-border);
  box-shadow: var(--shadow-lift);
}

.a-card-ink { border: 2px solid var(--ink); }

/* Carte recommandée par l'orienteur */
.a-card.is-recommended {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .22), 0 16px 40px rgba(16, 185, 129, .18);
}
.a-card-ink.is-recommended { border-color: var(--emerald); }

.a-reco {
  position: absolute;
  top: -12px;
  right: 18px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--emerald);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  box-shadow: 0 4px 14px rgba(16, 185, 129, .4);
}

.a-voie {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--emerald-text);
}
.a-card-ink .a-voie { color: var(--ink); }

.a-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.a-head h3 { margin: 0; font-size: 21px; }

.a-price {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.a-price sup { font-size: .6em; font-weight: 700; }

.a-benefit { font-size: 15px; color: var(--text); margin-bottom: 16px; }

.a-specs { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.a-specs dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 2px;
}
.a-specs dd { font-size: 14px; color: var(--text); }

.a-note {
  font-size: 13px;
  color: var(--muted);
  background: var(--emerald-bg-2);
  border: 1px solid var(--emerald-border);
  border-radius: 14px;
  padding: 10px 14px;
  margin-bottom: 18px;
}

.a-card .btn-block { margin-top: auto; }

.a-disclaimer {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--faint);
  text-align: center;
}

.cards-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #D5D2C9;
  transition: background-color .2s ease;
}
.dot.is-active { background: var(--emerald); }

.a-global-disclaimer {
  margin-top: 32px;
  font-size: 14px;
  color: var(--muted);
  max-width: 640px;
}

/* ---------- Boucle ---------- */

.loop { position: relative; margin-top: 8px; }

.loop-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  position: relative;
}

.loop-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .2s var(--ease-out);
}

.loop-step.is-clickable { cursor: pointer; }
.loop-step.is-clickable:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.loop-step.is-clickable:focus-visible { outline: 2px solid var(--emerald); outline-offset: 2px; }

.loop-step h3 { display: flex; align-items: center; gap: 10px; }
.loop-step p { margin: 0; font-size: 15px; }

.loop-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--emerald-bg);
  color: var(--emerald-text);
  font-size: 13px;
  font-weight: 800;
  flex: none;
  transition: background-color .3s ease, color .3s ease;
}

.loop-step.is-lit {
  border-color: var(--emerald);
  box-shadow: 0 4px 18px rgba(16, 185, 129, .16);
}
.loop-step.is-lit .loop-num { background: var(--emerald); color: #FFFFFF; }

.loop-track { display: none; }

.loop-detail {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 18px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #E8ECF3;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(120deg, rgba(43, 182, 115, .4), rgba(43, 182, 115, .05)) border-box;
}

.loop-detail-num {
  margin: 0;
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: var(--emerald-bright);
  font-variant-numeric: tabular-nums;
  opacity: .9;
}

.loop-detail-body h3 { color: #FFFFFF; margin-bottom: 4px; }
.loop-detail-body p { margin: 0; font-size: 15px; color: #C7CDD9; }

/* ---------- Application : onglets + maquettes ---------- */

.app-layout { display: block; }

.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.app-block {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .2s var(--ease-out);
}

.app-block.is-tab { cursor: pointer; }
.app-block.is-tab:hover { transform: translateY(-2px); }
.app-block.is-tab:focus-visible { outline: 2px solid var(--emerald); outline-offset: 2px; }
.app-block.is-active-tab {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .18), var(--shadow-lift);
}

.app-block h3 { margin-bottom: 8px; }
.app-block p { margin: 0; font-size: 15px; }

.app-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--emerald-bg);
  color: var(--emerald-text);
  margin-bottom: 14px;
  transition: background-color .3s ease, color .3s ease;
}
.app-block.is-active-tab .app-icon { background: var(--emerald); color: #FFFFFF; }
.app-icon svg { width: 22px; height: 22px; }

.spark {
  display: block;
  width: 96px;
  height: 28px;
  margin-top: 14px;
}
.spark polyline {
  fill: none;
  stroke: var(--emerald);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .55;
}

/* Scène des maquettes (activée par JS) */
.app-stage { margin-top: 18px; }

.app-stage-inner {
  position: relative;
  background: var(--ink);
  border-radius: var(--radius);
  padding: 26px;
  min-height: 300px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(140deg, rgba(43, 182, 115, .4), rgba(43, 182, 115, .05) 50%, rgba(255, 255, 255, .07)) border-box;
  box-shadow: 0 20px 50px rgba(14, 21, 36, .25);
  overflow: hidden;
}

.stage-note {
  position: absolute;
  right: 18px;
  bottom: 12px;
  margin: 0;
  font-size: 11px;
  color: var(--muted-dark);
}

.mock { display: none; }
.mock.is-active { display: block; }

.mock-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--emerald-bright);
}

.mock-foot { margin: 16px 0 0; font-size: 12.5px; color: var(--muted-dark); }

/* Maquette entraînement : barres de charge */
.mock-row {
  display: grid;
  grid-template-columns: 1fr 110px 42px;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-size: 13.5px;
  color: #C7CDD9;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.mock-row b { color: #FFFFFF; font-variant-numeric: tabular-nums; text-align: right; }
.mock-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  overflow: hidden;
}
.mock-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--emerald), var(--emerald-bright));
  transition: width .9s var(--ease-out);
}
.mock.is-active .mock-bar i { width: var(--w); }
.mock.is-active .mock-row:nth-child(3) .mock-bar i { transition-delay: .12s; }
.mock.is-active .mock-row:nth-child(4) .mock-bar i { transition-delay: .24s; }

/* Maquette nutrition : prises cochées */
.mock-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  margin-bottom: 8px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .09);
  font-size: 13.5px;
  color: #C7CDD9;
}
.mock-chip i {
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(43, 182, 115, .5);
  position: relative;
  transition: background-color .3s ease, border-color .3s ease;
}
.mock-chip i::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg) scale(0);
  transition: transform .25s var(--ease-out);
}
.mock.is-active .mock-chip i { background: var(--emerald-bright); border-color: var(--emerald-bright); }
.mock.is-active .mock-chip i::after { transform: rotate(45deg) scale(1); }
.mock.is-active .mock-chip:nth-child(3) i, .mock.is-active .mock-chip:nth-child(3) i::after { transition-delay: .15s; }
.mock.is-active .mock-chip:nth-child(4) i, .mock.is-active .mock-chip:nth-child(4) i::after { transition-delay: .3s; }
.mock-chip span { color: var(--muted-dark); min-width: 86px; font-size: 12.5px; }
.mock-chip b { color: #FFFFFF; font-weight: 600; }

/* Maquette récupération */
.mock-reco-grid {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.mock-ring { width: 110px; height: 110px; }
.mock-ring-bg { fill: none; stroke: rgba(255, 255, 255, .12); stroke-width: 8; }
.mock-ring-val {
  fill: none;
  stroke: var(--emerald-bright);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s var(--ease-out);
}
.mock-ring-num { fill: #FFFFFF; font-size: 22px; font-weight: 800; font-family: var(--font-sans); }
.mock-curve { flex: 1; min-width: 160px; }
.mock-curve-base { stroke: var(--muted-dark); stroke-width: 1.2; stroke-dasharray: 4 4; }
.mock-curve-line {
  fill: none;
  stroke: var(--emerald-bright);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 320;
  stroke-dashoffset: 320;
  transition: stroke-dashoffset 1.1s var(--ease-out) .25s;
}
.mock.is-active .mock-curve-line { stroke-dashoffset: 0; }

/* L'anneau part de vide et se compose à l'activation */
.app-stage-inner .mock-ring-val { stroke-dashoffset: 238.8; }
.mock.is-active .mock-ring-val { stroke-dashoffset: 66.9; }

/* Maquette corps : barres de tendance */
.mock-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
  padding-top: 8px;
}
.mock-bars i {
  flex: 1;
  height: 0;
  border-radius: 8px 8px 3px 3px;
  background: linear-gradient(180deg, var(--emerald-bright), rgba(43, 182, 115, .35));
  transition: height .8s var(--ease-out);
}
.mock.is-active .mock-bars i { height: var(--h); }
.mock.is-active .mock-bars i:nth-child(2) { transition-delay: .07s; }
.mock.is-active .mock-bars i:nth-child(3) { transition-delay: .14s; }
.mock.is-active .mock-bars i:nth-child(4) { transition-delay: .21s; }
.mock.is-active .mock-bars i:nth-child(5) { transition-delay: .28s; }
.mock.is-active .mock-bars i:nth-child(6) { transition-delay: .35s; }
.mock.is-active .mock-bars i:nth-child(7) { transition-delay: .42s; }
.mock.is-active .mock-bars i:nth-child(8) { transition-delay: .49s; }

/* Maquette coach : fil de messages */
.mock-bubble {
  margin: 0 0 10px;
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s ease, transform .4s var(--ease-out);
}
.mock.is-active .mock-bubble { opacity: 1; transform: translateY(0); }
.mock.is-active .mock-bubble.right { transition-delay: .35s; }
.mock-bubble span {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .7;
  margin-bottom: 2px;
}
.mock-bubble.left {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #DDE5EF;
  border-bottom-left-radius: 4px;
}
.mock-bubble.right {
  margin-left: auto;
  background: rgba(43, 182, 115, .16);
  border: 1px solid rgba(43, 182, 115, .3);
  color: #E4F5EC;
  border-bottom-right-radius: 4px;
}
.mock-typing { display: flex; gap: 5px; margin: 4px 0 0 6px; }
.mock-typing i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--muted-dark);
  opacity: 0;
}
.mock.is-active .mock-typing i { animation: typingDot 1.2s ease .8s 2; }
.mock.is-active .mock-typing i:nth-child(2) { animation-delay: .95s; }
.mock.is-active .mock-typing i:nth-child(3) { animation-delay: 1.1s; }
@keyframes typingDot {
  0%, 100% { opacity: .2; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

/* ---------- Panneaux ink (§6, §13) ---------- */

.ink-panel {
  position: relative;
  border-radius: var(--radius);
  color: #E8ECF3;
  padding: 32px 24px;
  overflow: hidden;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(140deg, rgba(43, 182, 115, .35), rgba(43, 182, 115, .04) 50%, rgba(255, 255, 255, .07)) border-box;
  box-shadow: 0 24px 60px rgba(14, 21, 36, .22);
}

.ink-panel h2 { color: #FFFFFF; }
.ink-panel .overline { margin-bottom: 10px; }

.ink-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.ink-head h2 { margin: 0; max-width: 560px; }

.scenario { display: flex; flex-direction: column; gap: 14px; margin-bottom: 26px; }

.sc-step {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 16px 18px;
}

/* Mode lecteur pas-à-pas (activé par JS) */
.scenario.player-mode .sc-step { display: none; }
.scenario.player-mode .sc-step.is-current { display: block; animation: scStepIn .45s var(--ease-out); }
@keyframes scStepIn {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}

.sc-time {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--emerald-bright);
  margin-bottom: 6px;
}

.sc-step p { margin: 0; font-size: 15px; color: #DDE5EF; }
.sc-step strong { color: #FFFFFF; }

.sc-actions { display: flex; gap: 8px; margin-top: 12px; }

.sc-player { margin: -8px 0 24px; }

.sc-progress {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}
.sc-progress button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 8px 4px 0;
  border: 0;
  background: none;
  color: var(--muted-dark);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: color .2s ease;
}
.sc-progress button i {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .14);
  transition: background-color .3s ease;
}
.sc-progress button.is-current { color: #FFFFFF; }
.sc-progress button.is-current i { background: var(--emerald-bright); }
.sc-progress button.is-past i { background: rgba(43, 182, 115, .45); }

.sc-controls { display: flex; flex-wrap: wrap; gap: 8px; }

.sc-chute {
  font-size: 19px;
  color: #FFFFFF;
  font-weight: 600;
  margin-bottom: 0;
}
.sc-chute em { color: var(--emerald-bright); }

.ink-cta { text-align: center; padding: 56px 24px; }
.ink-cta h2 { font-size: 30px; }
.ink-cta p { color: #C7CDD9; max-width: 520px; margin: 0 auto 26px; }

/* ---------- Switcher de mode de coaching ---------- */

.mode-demo {
  margin-bottom: 32px;
  border-radius: var(--radius);
  background: var(--ink);
  padding: 22px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(140deg, rgba(43, 182, 115, .4), rgba(43, 182, 115, .05) 55%, rgba(255, 255, 255, .07)) border-box;
  box-shadow: 0 20px 50px rgba(14, 21, 36, .22);
}

.mode-switch {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  overflow-x: auto;
}

.mode-switch button {
  flex: 1;
  min-height: 40px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #C7CDD9;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease;
}
.mode-switch button:hover { color: #FFFFFF; }
.mode-switch button[aria-selected="true"] {
  background: var(--emerald-bright);
  color: var(--ink);
}
.mode-switch .tag { margin-left: 4px; }
.mode-switch button[aria-selected="true"] .tag-beta { background: rgba(14, 21, 36, .15); color: var(--ink); }

.mode-panel { position: relative; padding: 4px 6px 26px; }

.mode-who {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--emerald-bright);
}

.mode-msg {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.55;
  color: #E8ECF3;
  max-width: 640px;
}

.mode-msg-wrap.is-done .mode-msg { color: var(--muted-dark); }
.mode-status {
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--emerald-bright);
}

.mode-actions { display: flex; gap: 8px; }

/* ---------- Coach ---------- */

.coach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.coach-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .2s var(--ease-out);
}

.coach-card h3 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.coach-card p { margin: 0; font-size: 15px; }

/* ---------- Posturale ---------- */

.posture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.posture-visual {
  margin: 0;
  background: var(--card);
  border: 1px dashed var(--muted-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  text-align: center;
  max-width: 420px;
}

.posture-visual svg { width: 180px; height: auto; }

.p-draw {
  fill: none;
  stroke: var(--emerald-text);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 6 5;
}
.p-angle { stroke: var(--warn); stroke-dasharray: 3 3; stroke-width: 2; }
.p-dot { fill: var(--emerald); }

.posture-visual figcaption {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--faint);
  font-style: italic;
}

/* ---------- Sécurité ---------- */

.sec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.sec-block {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.sec-block h3 { font-size: 17px; margin-bottom: 6px; }
.sec-block p { margin: 0; font-size: 14.5px; }

/* ---------- Preuves ---------- */

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.proof-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.proof-card p { font-size: 15px; }

.proof-excerpt {
  margin-top: 18px;
  background: var(--emerald-bg-2);
  border: 1px solid var(--emerald-border);
  border-radius: 16px;
  padding: 16px 18px;
}

.proof-excerpt-tag {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}

.proof-excerpt-score {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink);
  font-weight: 600;
}
.proof-excerpt-score strong { color: var(--emerald-text); font-weight: 800; font-variant-numeric: tabular-nums; }

.proof-excerpt-line { margin: 0 0 4px; font-size: 14px; }
.proof-excerpt-line:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */

.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 4px 20px;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.faq-item[open] { border-color: var(--emerald-border); box-shadow: var(--shadow-lift); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 14px 32px 14px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  position: relative;
  transition: color .18s ease;
}
.faq-item summary:hover { color: var(--emerald-text); }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--emerald-text);
  border-bottom: 2px solid var(--emerald-text);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s var(--ease-out);
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(225deg); }

.faq-item p { margin: 0; padding: 0 0 18px; font-size: 15.5px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #C7CDD9;
  padding: 56px 0 32px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand p { font-size: 14px; color: var(--muted-dark); max-width: 260px; margin: 10px 0 0; }

.footer-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin: 0 0 14px;
}

.footer-col ul { display: flex; flex-direction: column; }

.footer-col a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: #C7CDD9;
  font-size: 14.5px;
  transition: color .18s ease;
}
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1.5px;
  background: var(--emerald-bright);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s var(--ease-out);
}
.footer-col a:hover { color: #FFFFFF; text-decoration: none; }
.footer-col a:hover::after { transform: scaleX(1); }

.footer-bottom { padding-top: 24px; }
.footer-bottom p { margin: 0; font-size: 13px; color: var(--muted-dark); }

/* ---------- Tilt 3D (posé par JS, desktop uniquement) ---------- */

.tilt { transform-style: preserve-3d; }

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  .a-card { flex-basis: 62%; }
  .app-grid, .coach-grid, .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .ink-panel { padding: 44px 36px; }
  .scroll-hint { display: flex; }
}

@media (min-width: 768px) {
  .section { padding: 104px 0; }
  .hero { padding: 104px 0 80px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .posture-grid { grid-template-columns: 1.1fr .9fr; }
}

@media (min-width: 1024px) {
  h1 { font-size: 60px; line-height: 1.1; }
  h2 { font-size: 42px; line-height: 1.16; }
  .hero-grid { grid-template-columns: 55fr 45fr; gap: 56px; }
  .loop-steps { grid-template-columns: repeat(4, 1fr); }
  .coach-grid { grid-template-columns: repeat(3, 1fr); }
  .sec-grid { grid-template-columns: repeat(3, 1fr); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }

  /* Application : onglets à gauche, scène à droite (quand JS actif) */
  .app-layout.with-stage {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 22px;
    align-items: start;
  }
  .app-layout.with-stage .app-grid { grid-template-columns: 1fr; }
  .app-layout.with-stage .app-stage { margin-top: 0; position: sticky; top: 110px; }

  /* Connecteur de la boucle */
  .loop-track {
    display: block;
    position: absolute;
    top: 39px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: var(--muted-border);
    border-radius: 2px;
    overflow: hidden;
  }
  .loop-line {
    display: block;
    height: 100%;
    width: 100%;
    background: var(--emerald);
    transform-origin: left center;
  }

  /* Grille analyses 3 + 2 */
  .a-cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    overflow: visible;
    padding: 12px 0 4px;
    margin: 0;
    gap: 18px;
  }
  .a-card { flex: none; max-width: none; grid-column: span 2; }
  .a-card:nth-child(4) { grid-column: 2 / span 2; }
  .cards-dots { display: none; }
}

@media (min-width: 1280px) {
  h1 { font-size: 64px; }
}

/* ---------- Mobile nav ---------- */

@media (max-width: 767px) {
  .nav-links-desktop { display: none; }
  .nav-burger { display: block; order: 3; margin-left: 0; }
  .nav-pill { gap: 4px; padding: 8px 8px 8px 14px; }
  .nav-actions { order: 2; margin-left: auto; gap: 2px; }
  .nav-login { padding: 0 8px; font-size: 13.5px; }
  .btn-nav { padding: 9px 14px; }
}

@media (max-width: 640px) {
  .demo-panel { padding: 16px; gap: 10px; }
  .demo-score svg { width: 88px; height: 88px; }
  .loop-detail { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 380px) {
  .nav-logo span { font-size: 15px; }
  .btn-nav { padding: 9px 12px; font-size: 13.5px; }
}

/* ---------- prefers-reduced-motion : tout statique ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .hero::before { animation: none; }
  .scroll-hint { display: none; }
  .scenario.player-mode .sc-step.is-current { animation: none; }
}