/* ——— White Room · page d'accueil « vitrine » ———
 * Animations : uniquement opacité et déplacements (fluides sur tous les écrans),
 * une seule courbe douce partout (--ease), jamais de flou animé.
 */
:root {
  --bg: #0c0c10;
  --ink: #f4f4f6;
  --ink-2: rgb(255 255 255 / 0.8);
  --ink-3: rgb(255 255 255 / 0.56);
  --glass: rgb(255 255 255 / 0.12);
  --glass-hover: rgb(255 255 255 / 0.19);
  --glass-line: rgb(255 255 255 / 0.28);
  --glass-line-hover: rgb(255 255 255 / 0.5);
  --glass-blur: blur(20px) saturate(160%);
  --glass-shadow: 0 30px 80px -30px rgb(0 0 0 / 0.6), inset 0 1px 0 rgb(255 255 255 / 0.35);
  --font-title: 'Anton', 'Impact', sans-serif;
  --font-sans: 'Manrope', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);      /* douce, sans rebond */
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);   /* pour les boucles */
  --darkness: 0.78;
  --t0: 0s;                                     /* début des entrées (après l'intro) */
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
:lang(ja) body { font-family: 'Noto Sans JP', var(--font-sans); }
button, a { font: inherit; color: inherit; -webkit-tap-highlight-color: transparent; }
a { text-decoration: none; }
img { display: block; }
:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* ——— Fond ——— */
.bg, .vignette, .grain { position: fixed; inset: 0; pointer-events: none; }
.bg { z-index: -3; overflow: hidden; background: radial-gradient(ellipse 80% 70% at 60% 40%, #2a2536, #0c0c10 70%); }
.bg-move { position: absolute; inset: -3%; will-change: transform; }            /* parallaxe (amortie en JS) */
.bg-img {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.08);
  will-change: transform, opacity;
}
/* le fond ne bouge plus après son entrée : le verre n'a pas à recalculer son flou en permanence */
.bg.ready .bg-img { animation: bg-in 2.8s var(--ease) forwards; }
@keyframes bg-in { to { opacity: 1; transform: scale(1.02); } }
.vignette { z-index: -2; background: radial-gradient(ellipse 70% 70% at 50% 48%, rgb(10 10 14 / calc(var(--darkness) * 0.32)), rgb(10 10 14 / var(--darkness))); }
.grain {
  z-index: -1; opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ——— Verre ——— */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
}

/* ——— Entrées : chaque bloc arrive en fondu en montant légèrement ———
 * .in reste invisible tant que body n'a pas .opened, puis joue avec son délai (--d). */
.in { opacity: 0; transform: translate3d(0, var(--from, 18px), 0); }
body.opened .in { animation: in 1.1s var(--ease) calc(var(--t0) + var(--d, 0s)) forwards; }
@keyframes in { to { opacity: 1; transform: none; } }

/* ——— Barre du haut ——— */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: max(28px, env(safe-area-inset-top)) 48px 0;
  position: relative; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: 0.22em; font-size: 14px; }
.brand-logo { width: 30px; height: 30px; object-fit: contain; transition: transform 0.9s var(--ease), opacity 0.4s var(--ease); }
.brand:hover .brand-logo { transform: rotate(60deg); }
.brand span { transition: opacity 0.4s var(--ease); }
.brand:hover span { opacity: 0.8; }
.top-actions { display: flex; gap: 10px; }

/* ——— Pastilles et boutons : même comportement partout ——— */
.chip, .btn {
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform 0.5s var(--ease), background-color 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.6s var(--ease);
  will-change: transform;
}
.chip:hover, .btn:hover { transform: translate3d(0, -2px, 0); }
.chip:active, .btn:active { transform: scale(0.97); transition-duration: 0.2s; }
/* halo lumineux qui s'allume en douceur au survol */
.chip::before, .btn::before {
  content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(120% 140% at 50% 0%, rgb(255 255 255 / 0.22), transparent 60%);
  opacity: 0; transition: opacity 0.6s var(--ease);
}
.chip:hover::before, .btn:hover::before { opacity: 1; }

.chip {
  height: 44px; min-width: 44px; padding: 0 16px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 800; font-size: 13px; cursor: pointer;
}
.chip.wide { padding: 0 18px; letter-spacing: 0.14em; }
.chip.square { padding: 0; width: 44px; }
.chip:hover { background-color: var(--glass-hover); border-color: var(--glass-line-hover); }

/* Son */
.eq { display: none; gap: 3px; align-items: flex-end; height: 16px; }
.eq i { width: 3px; height: 16px; border-radius: 2px; background: currentColor; transform-origin: bottom; animation: eq 0.9s var(--ease-io) infinite alternate; }
.eq i:nth-child(2) { animation-delay: -0.3s; } .eq i:nth-child(3) { animation-delay: -0.6s; } .eq i:nth-child(4) { animation-delay: -0.15s; }
@keyframes eq { from { transform: scaleY(0.2); } to { transform: scaleY(1); } }
#soundBtn[aria-pressed='true'] .eq { display: inline-flex; }
#soundBtn[aria-pressed='true'] .ico-off { display: none; }

/* Langues */
.lang { position: relative; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); margin: 0; padding: 6px; list-style: none;
  min-width: 190px; border-radius: 18px; transform-origin: top right;
  opacity: 0; transform: translate3d(0, -6px, 0) scale(0.97); pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.45s var(--ease);
}
.lang-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu button {
  width: 100%; display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border: 0; border-radius: 12px; background: transparent; cursor: pointer; text-align: left; font-weight: 600;
  transition: background-color 0.35s var(--ease);
}
.lang-menu button > span:nth-child(2) { transition: transform 0.45s var(--ease); }
.lang-menu button:hover:not(:disabled) { background-color: var(--glass-hover); }
.lang-menu button:hover:not(:disabled) > span:nth-child(2) { transform: translate3d(4px, 0, 0); }
.lang-menu button[aria-selected='true'] { background-color: rgb(255 255 255 / 0.2); }
.lang-menu button:disabled { opacity: 0.45; cursor: default; }
.lang-menu .code { width: 26px; font-weight: 800; font-size: 12px; letter-spacing: 0.08em; color: var(--ink-3); }
.lang-menu .soon { margin-left: auto; font-size: 11px; color: var(--ink-3); }

/* ——— Plaque centrale ——— */
.stage { display: grid; place-items: center; padding: 24px 24px 40px; }
.slab {
  position: relative; overflow: hidden;
  width: min(820px, 100%); border-radius: 36px;
  padding: 52px 56px 46px;
  display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center;
  transition: border-color 0.8s var(--ease), box-shadow 0.8s var(--ease);
}
.slab.in { --from: 32px; transform: translate3d(0, 32px, 0) scale(0.985); }
.slab:hover { border-color: rgb(255 255 255 / 0.38); box-shadow: 0 44px 100px -36px rgb(0 0 0 / 0.72), inset 0 1px 0 rgb(255 255 255 / 0.42); }
/* lueur douce qui suit la souris (déplacée en JS avec amorti) */
.glow {
  position: absolute; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgb(255 255 255 / 0.13), transparent 62%);
  opacity: 0; transition: opacity 0.8s var(--ease);
  will-change: transform;
}
.slab:hover .glow { opacity: 1; }

.kicker { margin: 0; font-size: 12px; font-weight: 800; letter-spacing: 0.38em; padding-left: 0.38em; color: var(--ink-2); }
.title {
  margin: 0; font-family: var(--font-title); font-weight: 400;
  font-size: clamp(50px, 14vw, 138px); line-height: 0.95; letter-spacing: 0.02em; white-space: nowrap;
  background:
    linear-gradient(110deg, transparent 38%, rgb(255 255 255 / 0.9) 50%, transparent 62%) no-repeat,
    linear-gradient(180deg, #ffffff 0%, #e7ebf0 45%, #9aa6b4 100%);
  background-size: 260% 100%, 100% 100%;
  background-position: 200% 0, 0 0;
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
body.opened .title.in { animation: in 1.4s var(--ease) calc(var(--t0) + var(--d, 0s)) forwards, shine 3.2s var(--ease-io) calc(var(--t0) + 1.6s) 1 forwards, shine-loop 12s var(--ease-io) calc(var(--t0) + 6s) infinite; }
@keyframes shine { from { background-position: 200% 0, 0 0; } to { background-position: -100% 0, 0 0; } }
@keyframes shine-loop { 0%, 75% { background-position: 200% 0, 0 0; } 100% { background-position: -100% 0, 0 0; } }
.lede { margin: 0; font-size: 21px; font-weight: 600; }
.quote { margin: 0; min-height: 1.5em; font-size: 15px; font-style: italic; color: var(--ink-2); }
.quote-by { font-style: normal; color: var(--ink-3); }
.quote-inner { display: inline-block; transition: opacity 0.7s var(--ease), transform 0.8s var(--ease); }
.quote-inner.hide { opacity: 0; transform: translate3d(0, -6px, 0); }
.quote-inner.below { opacity: 0; transform: translate3d(0, 6px, 0); transition: none; }

/* ——— Boutons principaux ——— */
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 14px; min-height: 56px;
  border-radius: 18px; padding: 0 26px; font-weight: 800; font-size: 16px; cursor: pointer;
}
.btn-discord {
  padding-left: 18px; border: 1px solid rgb(255 255 255 / 0.35);
  background-color: rgb(88 101 242 / 0.92); color: #fff;
  box-shadow: 0 18px 40px -16px rgb(88 101 242 / 0.85);
}
.btn-discord:hover { background-color: rgb(100 113 250 / 0.98); box-shadow: 0 26px 54px -18px rgb(88 101 242 / 1); }
.btn-discord svg { transition: transform 0.7s var(--ease); }
.btn-discord:hover svg { transform: rotate(-10deg) scale(1.08); }
/* reflet lent qui traverse le bouton de temps en temps */
.btn-discord::after {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 60%; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgb(255 255 255 / 0.28), transparent);
  transform: translate3d(-120%, 0, 0);
}
body.opened .btn-discord::after { animation: sweep 7s var(--ease-io) calc(var(--t0) + 3s) infinite; }
@keyframes sweep { 0%, 80% { transform: translate3d(-120%, 0, 0); } 100% { transform: translate3d(260%, 0, 0); } }
.btn-glass { font-weight: 700; }
.btn-glass:hover { background-color: var(--glass-hover); border-color: var(--glass-line-hover); }
.btn .arrow { transition: transform 0.6s var(--ease); }
.btn:hover .arrow { transform: translate3d(3px, 0, 0); }

/* ——— Bas de page et message ——— */
.foot { padding: 0 24px max(18px, env(safe-area-inset-bottom)); text-align: center; font-size: 11.5px; color: var(--ink-3); transition: color 0.5s var(--ease); }
.foot:hover { color: var(--ink-2); }
.toast {
  position: fixed; left: 50%; bottom: 56px; z-index: 50;
  max-width: calc(100vw - 32px); padding: 12px 18px; border-radius: 16px;
  font-size: 14px; font-weight: 700;
  opacity: 0; transform: translate3d(-50%, 12px, 0); pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease);
}
.toast.show { opacity: 1; transform: translate3d(-50%, 0, 0); }

/* ——— Ouverture du site ——— */
.intro {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, #17151f, #07070a 70%);
  transition: opacity 1.2s var(--ease), visibility 0s 1.2s;
}
.intro-core { display: grid; justify-items: center; gap: 20px; transition: transform 1.4s var(--ease), opacity 0.9s var(--ease); }
.intro-logo { width: 88px; height: 88px; object-fit: contain; opacity: 0; transform: scale(0.94); animation: intro-in 1.4s var(--ease) 0.1s forwards; }
.intro-word {
  margin: 0; font-family: var(--font-title); font-size: 20px; letter-spacing: 0.9em; padding-left: 0.9em;
  color: rgb(255 255 255 / 0.9); opacity: 0; transform: translate3d(0, 8px, 0); animation: intro-in 1.4s var(--ease) 0.45s forwards;
}
.intro-bar { width: 160px; height: 2px; border-radius: 2px; background: rgb(255 255 255 / 0.12); overflow: hidden; opacity: 0; animation: intro-in 1s var(--ease) 0.7s forwards; }
.intro-bar i { display: block; height: 100%; width: 100%; background: #fff; transform-origin: left; transform: scaleX(0); transition: transform 0.9s var(--ease); }
@keyframes intro-in { to { opacity: 1; transform: none; } }
body.opened .intro { opacity: 0; visibility: hidden; pointer-events: none; }
body.opened .intro-core { opacity: 0; transform: scale(1.06); }
body.no-intro .intro { display: none; }

/* ——— Mobile ——— */
@media (max-width: 720px) {
  .top { padding: max(18px, env(safe-area-inset-top)) 16px 0; }
  .brand span { display: none; }
  .chip.wide { padding: 0 14px; letter-spacing: 0.08em; }
  .stage { padding: 20px 16px 28px; }
  .slab { padding: 36px 22px 30px; border-radius: 28px; gap: 14px; }
  .kicker { font-size: 10.5px; letter-spacing: 0.26em; }
  .lede { font-size: 18px; }
  .actions { flex-direction: column; align-self: stretch; }
  .btn { justify-content: center; }
}

/* Mouvements réduits */
@media (prefers-reduced-motion: reduce) {
  .in { opacity: 1; transform: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* =====================================================================
   COMMENT ÇA MARCHE — fenêtre en 5 étapes
   ===================================================================== */
.how { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; }
.how[hidden] { display: none; }
.how-backdrop { position: absolute; inset: 0; background: rgb(6 6 10 / 0.62); opacity: 0; transition: opacity 0.6s var(--ease); }
.how.open .how-backdrop { opacity: 1; }
/* la page derrière recule légèrement */
.stage, .top, .foot { transition: transform 0.8s var(--ease), opacity 0.6s var(--ease); }
body.how-open .stage { transform: scale(0.97); opacity: 0.35; }
body.how-open .top, body.how-open .foot { opacity: 0.35; }

.how-panel {
  position: relative; width: min(1080px, 100%); height: min(680px, calc(100svh - 48px));
  border-radius: 36px; overflow: hidden;
  display: grid; grid-template-columns: 300px minmax(0, 1fr);
  opacity: 0; transform: translate3d(0, 28px, 0) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.9s var(--ease);
}
.how.open .how-panel { opacity: 1; transform: none; }

/* colonne des étapes */
.how-nav { padding: 32px 22px; display: flex; flex-direction: column; gap: 22px; background: rgb(0 0 0 / 0.14); border-right: 1px solid rgb(255 255 255 / 0.14); }
.how-kicker { margin: 0; display: flex; align-items: center; gap: 10px; font-size: 11.5px; font-weight: 800; letter-spacing: 0.24em; color: var(--ink-2); }
.how-logo { width: 22px; height: 22px; object-fit: contain; }
.how-steps { position: relative; display: flex; flex-direction: column; gap: 4px; }
.how-pill {
  position: absolute; left: 0; right: 0; top: 0; height: 48px; border-radius: 16px;
  background: rgb(255 255 255 / 0.16); border: 1px solid rgb(255 255 255 / 0.28);
  transition: transform 0.7s var(--ease), height 0.5s var(--ease);
  will-change: transform;
}
.how-step {
  position: relative; display: flex; align-items: center; gap: 14px; width: 100%;
  padding: 13px 14px; border: 0; border-radius: 16px; background: transparent; cursor: pointer; text-align: left;
  font-weight: 700; color: var(--ink-3); transition: color 0.5s var(--ease);
}
.how-step > span:last-child { transition: transform 0.5s var(--ease); }
.how-step:hover { color: var(--ink-2); }
.how-step:hover > span:last-child { transform: translate3d(3px, 0, 0); }
.how-step[aria-current='step'] { color: var(--ink); }
.how-step-n { width: 28px; font-family: var(--font-title); font-size: 19px; font-weight: 400; }
.how-hint { margin: auto 0 0; font-size: 12.5px; line-height: 1.5; color: var(--ink-3); }

/* contenu */
.how-main { position: relative; padding: 36px 44px 28px; display: flex; flex-direction: column; min-height: 0; }
.how-close { position: absolute; right: 20px; top: 20px; z-index: 2; }
.how-content { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 14px; overflow-y: auto; padding-right: 8px; touch-action: pan-y; }
.how-content .r { transition: opacity 0.32s var(--ease), transform 0.4s var(--ease); }
.how-content.leaving .r { opacity: 0; transform: translate3d(calc(var(--dir, 1) * -18px), 0, 0); }
.how-content.entering .r { animation: how-in 0.85s var(--ease) calc(var(--i) * 80ms) both; }
@keyframes how-in { from { opacity: 0; transform: translate3d(calc(var(--dir, 1) * 24px), 0, 0); } }

.how-num { display: flex; align-items: baseline; gap: 14px; }
.how-num-big {
  font-family: var(--font-title); font-size: 78px; line-height: 0.9;
  background: linear-gradient(180deg, #ffffff 0%, #e7ebf0 45%, #9aa6b4 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.how-num-of { font-size: 13px; font-weight: 800; letter-spacing: 0.3em; color: var(--ink-3); }
.how-title { margin: 0; font-family: var(--font-title); font-weight: 400; font-size: clamp(34px, 4.2vw, 50px); line-height: 1.02; letter-spacing: 0.01em; }
.how-text { margin: 0; max-width: 620px; font-size: 16.5px; line-height: 1.62; color: var(--ink-2); }
.how-visual { margin-top: 6px; display: grid; gap: 12px; }

.how-foot { display: flex; align-items: center; gap: 12px; padding-top: 18px; }
.how-progress { flex: 1; display: flex; gap: 6px; }
.how-progress span { flex: 1; height: 4px; border-radius: 3px; background: rgb(255 255 255 / 0.18); overflow: hidden; }
.how-progress i { display: block; height: 100%; background: #fff; transform-origin: left; transform: scaleX(0); transition: transform 0.7s var(--ease); }
.how-progress .done i { transform: scaleX(1); }
.how-foot .btn { min-height: 50px; padding: 0 22px; font-size: 15px; }
.btn:disabled { opacity: 0.35; cursor: default; transform: none; }
.btn-light { border: 1px solid rgb(255 255 255 / 0.5); background-color: #ffffff; color: #14131b; }
.btn-light:hover { background-color: #f1f1f4; box-shadow: 0 18px 40px -18px rgb(255 255 255 / 0.5); }
.btn-light::before { background: radial-gradient(120% 140% at 50% 0%, rgb(255 255 255 / 0.9), transparent 60%); }
.btn-discordish { background-color: rgb(88 101 242 / 0.95); color: #fff; border-color: rgb(255 255 255 / 0.35); }
.btn-discordish:hover { background-color: rgb(100 113 250 / 1); box-shadow: 0 22px 48px -18px rgb(88 101 242 / 1); }

/* ——— visuels des étapes ——— */
.v-card { border-radius: 20px; padding: 16px 18px; background: rgb(255 255 255 / 0.09); border: 1px solid rgb(255 255 255 / 0.18); display: grid; gap: 10px; }
.v-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.v-small { font-size: 11.5px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.v-timer { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-variant-numeric: tabular-nums; }
.v-timer i { width: 8px; height: 8px; border-radius: 50%; background: #ff5a4e; animation: blink 1.6s var(--ease-io) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.v-ask { margin: 0; font-weight: 700; }
.v-seq { margin: 0; font-family: var(--font-title); font-size: 30px; letter-spacing: 0.04em; }
.v-seq b { color: #ff5a4e; font-weight: 400; }
.v-opts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.v-opts span { padding: 11px; border-radius: 12px; text-align: center; font-weight: 800; background: rgb(255 255 255 / 0.08); border: 1px solid rgb(255 255 255 / 0.16); transition: background-color 0.4s var(--ease), transform 0.5s var(--ease); }
.v-opts span:hover { transform: translate3d(0, -2px, 0); background: rgb(255 255 255 / 0.16); }
.v-opts .on { background: #fff; color: #14131b; }

.v-classes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.v-class { border-radius: 20px; padding: 16px; display: grid; gap: 6px; background: rgb(255 255 255 / 0.09); border: 1px solid rgb(255 255 255 / 0.18); transition: transform 0.6s var(--ease), background-color 0.5s var(--ease); }
.v-class:hover { transform: translate3d(0, -4px, 0); background: rgb(255 255 255 / 0.15); }
.v-class b { font-family: var(--font-title); font-weight: 400; font-size: 44px; line-height: 1; }
.v-class span { font-size: 12.5px; line-height: 1.45; color: var(--ink-2); }
.v-class.low { border-color: #ff5a4e; }
.v-class.low b { color: #ff5a4e; }

.v-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.v-mini b { font-size: 14px; font-weight: 700; }
.v-bars { gap: 8px; }
.v-bar { display: grid; grid-template-columns: 22px minmax(0, 1fr) 80px; align-items: center; gap: 12px; }
.v-bar b { font-family: var(--font-title); font-weight: 400; font-size: 20px; }
.v-bar em { font-style: normal; font-weight: 800; font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; }
.v-track { height: 8px; border-radius: 6px; background: rgb(255 255 255 / 0.1); overflow: hidden; }
.v-track i { display: block; height: 100%; border-radius: inherit; background: #fff; transform-origin: left; transform: scaleX(var(--w)); }
.how-content.entering .v-track i { animation: grow-bar 1.2s var(--ease) calc(0.45s + var(--i) * 90ms) both; }
@keyframes grow-bar { from { transform: scaleX(0); } }
.v-bar:last-child b, .v-bar:last-child em { color: #ff5a4e; }

.v-duel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.v-choice { padding: 16px; border-radius: 16px; text-align: center; font-weight: 800; font-size: 16px; background: rgb(255 255 255 / 0.14); border: 1px solid rgb(255 255 255 / 0.28); transition: transform 0.5s var(--ease); }
.v-choice:hover { transform: translate3d(0, -3px, 0); }
.v-choice.betray { background: #ff5a4e; border-color: #ff5a4e; }
.v-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.v-tags span { padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; background: rgb(255 255 255 / 0.1); border: 1px solid rgb(255 255 255 / 0.2); }
.v-tags .dim { color: var(--ink-3); }

.v-fall { display: grid; gap: 10px; }
.v-fall .v-row { justify-content: flex-start; }
.v-swap { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-title); font-size: 28px; }
.v-swap i { font-style: normal; color: #7ee0a6; animation: nudge 2.4s var(--ease-io) infinite; }
@keyframes nudge { 50% { transform: translate3d(0, -4px, 0); } }
.v-shield { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: #fff; color: #14131b; font-size: 18px; }
.v-fall small { color: var(--ink-3); font-size: 12.5px; }
.v-out { justify-self: start; padding: 10px 18px; border-radius: 12px; border: 2px solid #ff5a4e; color: #ff5a4e; font-weight: 800; letter-spacing: 0.3em; transform: rotate(-3deg); }

/* ——— mobile ——— */
@media (max-width: 820px) {
  .how { padding: 12px; align-items: end; }
  .how-panel { grid-template-columns: 1fr; height: calc(100svh - 24px); border-radius: 28px; }
  .how-nav { display: none; }
  .how-main { padding: 26px 20px 18px; }
  .how-num-big { font-size: 70px; }
  .how-classes, .v-classes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v-points { grid-template-columns: 1fr; }
  .how-foot { flex-wrap: wrap; }
  .how-progress { flex-basis: 100%; }
  .how-foot .btn { flex: 1; justify-content: center; }
}

/* ——— Connexion ——— */
.btn-avatar { width: 30px; height: 30px; border-radius: 10px; object-fit: cover; margin-left: -6px; box-shadow: 0 0 0 2px rgb(255 255 255 / 0.4); }
body.leaving .stage, body.leaving .top, body.leaving .foot { opacity: 0; transform: translate3d(0, -10px, 0) scale(0.99); transition: opacity 0.5s var(--ease), transform 0.6s var(--ease); }
body.leaving .bg-img { opacity: 0.4 !important; transition: opacity 0.6s var(--ease); animation: none; transform: scale(1.02); }

/* ——— Espace élève ——— */
.school { gap: 14px; }
.school-avatar { width: 96px; height: 96px; border-radius: 30px; object-fit: cover; box-shadow: 0 0 0 2px rgb(255 255 255 / 0.35), 0 20px 50px -20px rgb(0 0 0 / 0.8); }
.school-title { margin: 0; font-family: var(--font-title); font-weight: 400; font-size: clamp(40px, 7vw, 76px); line-height: 1; letter-spacing: 0.01em; }
.school-meta { margin: 0; min-height: 1.2em; font-size: 13px; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-3); }
.school-text { max-width: 520px; color: var(--ink-2); font-weight: 500; font-size: 18px; }
.school-card {
  margin-top: 8px; display: flex; align-items: center; gap: 14px; text-align: left;
  padding: 14px 20px 14px 14px; border-radius: 18px; background: rgb(255 255 255 / 0.09); border: 1px solid rgb(255 255 255 / 0.2);
}
.school-card-ico { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: #fff; color: #14131b; }
.school-card b { display: block; font-size: 15px; }
.school-card small { color: var(--ink-3); font-weight: 700; font-size: 12.5px; }