/* ============================================================
   Page d'accueil — refonte 2026
   Chargé uniquement sur `/` (cf. baseof.html), jamais sur le blog.
   Les tokens ci-dessous viennent du design system Bachott
   (colors_and_type.css) ; seul ce qu'utilise la home est repris.
   ============================================================ */

.hp {
  --electric-blue: #056CF2;
  --cobalt: #1E3A8A;
  --cobalt-50: #EEF2FF;
  --cobalt-100: #D8E0F7;
  --gold: #C8A64C;
  --gold-600: #B08E3A;
  --amber-500: #F59E0B;
  --amber-200: #FDE68A;
  --anthracite: #2D3142;
  --anthracite-900: #121520;
  --paper: #FFFAF1;
  --surface-100: #F8FAFC;
  --hp-gray-100: #F3F4F6;
  --hp-gray-200: #E5E7EB;
  --hp-gray-300: #D1D5DB;
  --hp-gray-400: #9CA3AF;
  --hp-gray-500: #6B7280;
  --hp-gray-600: #4B5563;
  --hp-gray-700: #374151;
  --hp-gray-900: #111827;
  --success: #22C55E;
  --danger: #EF4444;
  --danger-600: #DC2626;

  --font-mono: ui-monospace, 'SF Mono', 'Roboto Mono', Menlo, monospace;
  --font-card: 'Futura', 'Helvetica Neue', Arial, sans-serif;
  --font-quote: Georgia, 'Times New Roman', serif;

  --shadow-soft: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-soft-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-lift: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
  --shadow-premium: 0 8px 30px -4px rgba(30,58,138,.15);
  --shadow-gold-glow: 0 4px 20px -2px rgba(200,166,76,.3);

  background: #fff;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--hp-gray-800, #1F2937);
  overflow-x: clip;
}

.hp a { text-decoration: none; }
/* Les blocs de la session d'essai portent un `display` explicite, qui bat la
   règle `[hidden] { display: none }` du navigateur — d'où le !important. */
.hp [hidden] { display: none !important; }
.hp h1, .hp h2, .hp h3 { font-family: inherit; }

/* ---------- primitives partagées ---------- */
.hp-wrap { max-width: 1040px; margin: 0 auto; }
.hp-wrap-narrow { max-width: 760px; margin: 0 auto; }

.hp-mono-xs { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--hp-gray-400); }
.hp-mono-2xs { font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--hp-gray-400); }
.hp-mono-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }

.hp-blue { color: var(--electric-blue); }
.hp-gold { color: var(--gold-600); }
.hp-gray { color: var(--hp-gray-500); }
.hp-danger { color: var(--danger-600); }
.hp-anthracite { color: var(--anthracite); }
.hp-blue-text { color: var(--electric-blue); }
.hp-gold-text { color: #FFB627; }
.hp-note { font-size: 13.5px; color: var(--hp-gray-500); }
.hp-note-center { text-align: center; }

.hp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 15px; font-weight: 700; padding: 14px 26px; border-radius: 11px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.hp-btn:hover { transform: translateY(-1px); }
.hp-btn-blue { background: var(--electric-blue); color: #fff; box-shadow: 0 10px 26px -8px rgba(5,108,242,.4); }
.hp-btn-gold { background: linear-gradient(135deg, #FFB627 0%, var(--amber-500) 100%); color: #3A2500; box-shadow: 0 12px 28px -8px rgba(245,158,11,.65); }
.hp-btn-lg { font-size: 17px; padding: 17px 36px; border-radius: 12px; }
.hp-btn-block { display: flex; width: 100%; margin-top: 14px; padding: 15px; }
.hp-btn-ghost { display: inline-flex; align-items: center; gap: 5px; color: var(--hp-gray-600); font-size: 15px; font-weight: 500; padding: 17px 10px; }
.hp-btn-ghost:hover { color: var(--electric-blue); }

@media (prefers-reduced-motion: reduce) {
  .hp *, .hp *::before, .hp *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  /* Le retournement au scroll est désactivé pour ces utilisateurs : la carte
     reste côté question, donc l'indice « faites défiler pour retourner » serait
     une consigne fausse. On le retire plutôt que de le laisser mentir. */
  .hp-flip-hint { visibility: hidden; }
}

/* ============================================================
   HERO
   ============================================================ */
.hp-hero {
  position: relative;
  padding: 92px 32px 108px;
  background: linear-gradient(180deg, #F3F6FE 0%, #FFFFFF 100%);
  overflow: hidden;
}
.hp-hero-float {
  position: absolute; width: 132px; min-height: 94px; padding: 13px;
  background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 8px;
  box-shadow: var(--shadow-soft); animation: hpFloat 7s ease-in-out infinite;
}
.hp-hero-float-1 { --r: -9deg; left: max(24px, calc(50% - 596px)); top: 430px; }
.hp-hero-float-2 { --r: 11deg; right: max(30px, calc(50% - 590px)); top: 400px; width: 126px; animation-duration: 8.5s; }
.hp-hero-float-subject { font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; color: var(--hp-gray-400); }
.hp-hero-float-text { margin-top: 9px; font-size: 12px; font-weight: 600; color: var(--hp-gray-700); }
@keyframes hpFloat {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-10px) rotate(var(--r, 0deg)); }
}

.hp-hero-head {
  position: relative; max-width: 740px; margin: 0 auto; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}
.hp-badge {
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .16em;
  font-size: 11px; font-weight: 700; color: var(--electric-blue);
  background: var(--cobalt-50); padding: 7px 13px; border-radius: 999px;
}
.hp-hero-tagline {
  margin: 0; font-weight: 700; font-size: 54px; line-height: 1.05;
  letter-spacing: -.035em; color: var(--anthracite); text-wrap: balance;
}
.hp-hero-sub { margin: 0; max-width: 560px; font-size: 19px; line-height: 1.55; color: var(--hp-gray-600); text-wrap: pretty; }

.hp-flip-stage { margin: 60px auto 0; width: 340px; perspective: 1500px; }
.hp-flip { position: relative; width: 340px; height: 220px; transform-style: preserve-3d; }
.hp-flip-face {
  position: absolute; inset: 0; backface-visibility: hidden; padding: 24px;
  border-radius: 14px; display: flex; flex-direction: column; justify-content: space-between;
}
.hp-flip-front { background: #fff; border: 1px solid var(--hp-gray-200); box-shadow: var(--shadow-lift); }
.hp-flip-back { transform: rotateY(180deg); background: var(--electric-blue); box-shadow: var(--shadow-premium); color: #fff; }
.hp-flip-top { display: flex; justify-content: space-between; align-items: center; }
.hp-flip-icon { width: 24px; height: 24px; border-radius: 999px; background: var(--cobalt-50); display: grid; place-items: center; color: var(--electric-blue); font-size: 15px; }
.hp-flip-question { font-weight: 600; font-size: 22px; line-height: 1.3; color: var(--anthracite); text-wrap: balance; }
.hp-flip-hint { display: flex; align-items: center; gap: 6px; }
.hp-flip-back .hp-mono-xs { color: rgba(255,255,255,.7); }
.hp-flip-answer { font-family: var(--font-card); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: 36px; line-height: 1.05; }
.hp-flip-precision { font-family: var(--font-quote); font-style: italic; font-size: 14px; color: rgba(255,255,255,.85); }

.hp-hero-actions { margin-top: 48px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hp-hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hp-hero-buttons .hp-btn-gold { font-size: 17px; padding: 17px 34px; border-radius: 12px; box-shadow: 0 14px 36px -8px rgba(245,158,11,.7); }
.hp-hero-reassurance { font-size: 13px; color: var(--hp-gray-400); }
.hp-chips { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.hp-chip {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--hp-gray-500); background: #fff; border: 1px solid var(--hp-gray-200);
  padding: 6px 12px; border-radius: 999px;
}

/* ============================================================
   ÇA VOUS RESSEMBLE ? + RÉSUMÉ
   ============================================================ */
.hp-pains { padding: 84px 32px 88px; background: #fff; }
.hp-pains-h2 { margin: 0 0 36px; font-size: 26px; font-weight: 700; letter-spacing: -.02em; color: var(--anthracite); text-align: center; }
.hp-pains-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.hp-pain {
  background: var(--paper); border: 1px solid #F0E7D8; border-radius: 16px;
  padding: 26px 24px; display: flex; flex-direction: column; gap: 16px;
}
.hp-pain-tag { font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.hp-pain-quote { margin: 0; font-family: var(--font-quote); font-style: italic; font-size: 18px; line-height: 1.5; color: var(--anthracite); }
.hp-pain-fix { margin-top: auto; padding-top: 14px; border-top: 1px solid #EFE5D2; display: flex; align-items: flex-start; gap: 8px; font-size: 14px; line-height: 1.5; font-weight: 500; color: var(--hp-gray-700); }
.hp-pain-fix iconify-icon { color: var(--electric-blue); font-size: 16px; margin-top: 2px; flex: none; }
.hp-pains-cta { margin-top: 44px; display: flex; justify-content: center; align-items: center; gap: 16px; flex-wrap: wrap; }

.hp-summary {
  position: relative; margin-top: 72px; overflow: hidden; color: #fff;
  background: linear-gradient(150deg, #223061 0%, var(--anthracite) 52%, #1F2331 100%);
  border-radius: 26px; padding: 44px 46px 40px;
  box-shadow: 0 30px 60px -24px rgba(20,30,60,.55);
}
.hp-summary-glow { position: absolute; border-radius: 999px; }
.hp-summary-glow-blue { top: -140px; right: -80px; width: 380px; height: 380px; background: radial-gradient(circle, rgba(5,108,242,.42) 0%, rgba(5,108,242,0) 70%); }
.hp-summary-glow-gold { bottom: -160px; left: -60px; width: 340px; height: 340px; background: radial-gradient(circle, rgba(200,166,76,.3) 0%, rgba(200,166,76,0) 70%); }
.hp-summary-head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 34px; }
.hp-summary-h2 { margin: 0; font-size: 28px; font-weight: 700; letter-spacing: -.025em; color: #fff; }
.hp-summary-badge {
  display: flex; align-items: center; gap: 8px; font-family: var(--font-mono);
  font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.55); background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14); padding: 7px 13px; border-radius: 999px;
}
.hp-dot { width: 6px; height: 6px; border-radius: 999px; background: #FFB627; }
.hp-facts { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.hp-fact {
  display: flex; flex-direction: column; gap: 14px; padding: 14px 14px 18px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28);
  border-radius: 18px; box-shadow: 0 10px 26px -12px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.16);
}
/* Plafond de largeur indispensable : la vignette est une capture de téléphone,
   donc très haute (9:19,5). Sans lui, dès que la grille passe à deux colonnes
   — tablette, ou téléphone en paysage — elle atteint 326×705 px et repousse le
   numéro et le texte de l'étape 700 px plus bas, hors de l'écran. */
.hp-fact-shot { width: 100%; max-width: 200px; margin-inline: auto; aspect-ratio: 9 / 19.5; background: rgba(0,0,0,.22); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; overflow: hidden; }
.hp-fact-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hp-fact-n {
  width: 36px; height: 36px; border-radius: 999px; display: grid; place-items: center;
  background: linear-gradient(140deg, #2E86F5, var(--electric-blue)); color: #fff;
  font-family: var(--font-mono); font-size: 14px; font-weight: 700;
  box-shadow: 0 6px 16px -6px rgba(5,108,242,.55);
}
.hp-fact-n-gold { background: linear-gradient(140deg, #E9CE7E, var(--gold)); color: #3E3005; box-shadow: 0 6px 16px -6px rgba(200,166,76,.55); }
.hp-fact-text { font-size: 15px; line-height: 1.55; color: rgba(255,255,255,.92); }
.hp-summary-note { position: relative; margin: 30px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; color: rgba(255,255,255,.55); }

/* ============================================================
   PROBLÈME / SOLUTION
   ============================================================ */
.hp-science {
  background: var(--surface-100);
  border-top: 1px solid var(--hp-gray-200); border-bottom: 1px solid var(--hp-gray-200);
  padding: 96px 32px 104px;
}
.hp-science-grid {
  max-width: 1040px; margin: 0 auto; display: grid;
  grid-template-columns: 1.15fr 1fr; grid-template-rows: auto auto auto 1fr;
  column-gap: 72px; row-gap: 16px; align-items: start;
}
.hp-col-a { grid-column: 1; }
.hp-col-b { grid-column: 2; }
.hp-row-1 { grid-row: 1; }
.hp-row-2 { grid-row: 2; }
.hp-row-3 { grid-row: 3; }
.hp-row-4 { grid-row: 4; margin-top: 14px; }
.hp-science-h2 { margin: 0; max-width: 460px; font-size: 24px; font-weight: 700; letter-spacing: -.025em; color: var(--anthracite); text-wrap: balance; }
.hp-col-b.hp-science-h2 { max-width: 420px; }
.hp-science-body { margin: 0; font-size: 15px; line-height: 1.65; color: var(--hp-gray-600); text-wrap: pretty; }

.hp-chart { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 16px; padding: 20px 22px 16px; box-shadow: var(--shadow-soft); }
.hp-chart-legend { display: flex; gap: 20px; margin-bottom: 14px; flex-wrap: wrap; }
.hp-chart-legend > span { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; }
.hp-chart-legend > span:first-child { color: var(--danger-600); }
.hp-chart-legend > span:last-child { color: var(--electric-blue); }
.hp-legend-line { width: 18px; height: 3px; border-radius: 2px; }
.hp-legend-bad { background: var(--danger); }
.hp-legend-good { background: var(--electric-blue); }
.hp-chart-svg { width: 100%; height: auto; display: block; }
.hp-chart-axis { display: flex; justify-content: space-between; margin-top: 4px; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--hp-gray-400); }
.hp-chart-note { margin: 12px 0 0; font-size: 13px; line-height: 1.55; color: var(--hp-gray-500); text-wrap: pretty; }

.hp-ladder { display: flex; flex-direction: column; gap: 8px; }
.hp-ladder-row { display: flex; align-items: center; gap: 12px; background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 11px; padding: 11px 14px; }
.hp-ladder-step { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--electric-blue); width: 44px; flex: none; }
.hp-ladder-track { flex: 1; height: 6px; border-radius: 999px; background: var(--hp-gray-100); overflow: hidden; }
.hp-ladder-fill { height: 6px; border-radius: 999px; }
.hp-ladder-label { font-size: 13px; color: var(--hp-gray-600); width: 132px; flex: none; text-align: right; }

/* ============================================================
   LE CHEMIN — rail + étapes
   ============================================================ */
.hp-rail { position: relative; max-width: 1240px; margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 124px 1fr; align-items: start; }
.hp-rail-dash {
  position: absolute; left: 69px; top: 46px; bottom: 56px; width: 2px;
  background-image: linear-gradient(180deg, var(--cobalt-100) 0 13px, transparent 13px 26px);
  background-size: 2px 26px; animation: hpDash 1.8s linear infinite;
}
@keyframes hpDash { to { background-position-y: 26px; } }
.hp-rail-progress-track { position: absolute; left: 68px; top: 46px; bottom: 56px; width: 4px; overflow: hidden; border-radius: 999px; }
.hp-rail-progress { width: 4px; height: 0; border-radius: 999px; background: linear-gradient(180deg, var(--electric-blue) 0%, var(--anthracite) 42%, var(--gold) 100%); }

.hp-node-cell { display: flex; }
.hp-node-cell-first { padding-top: 96px; }
.hp-node {
  position: relative; z-index: 1; width: 76px; height: 76px; border-radius: 999px;
  display: grid; place-items: center; color: #fff;
  font-family: var(--font-mono); font-weight: 700; font-size: 21px; letter-spacing: .02em;
  transform: scale(.7); opacity: .4; filter: grayscale(1);
  transition: transform .55s cubic-bezier(.16,1,.3,1), opacity .45s ease-out, filter .45s ease-out;
}
.hp-node.is-on { transform: scale(1); opacity: 1; filter: grayscale(0); }
.hp-node-blue { background: var(--electric-blue); box-shadow: 0 0 0 8px #fff, 0 0 0 11px #DCE7FB, var(--shadow-premium); }
.hp-node-dark { background: var(--anthracite); box-shadow: 0 0 0 8px #fff, 0 0 0 11px #E3E6EE, var(--shadow-soft-lg); }
.hp-node-gold { background: var(--gold); box-shadow: 0 0 0 8px #fff, 0 0 0 11px #F5ECCD, var(--shadow-gold-glow); }
.hp-node-plain { background: #fff; border: 2px solid var(--hp-gray-300); color: var(--hp-gray-500); box-shadow: 0 0 0 8px #fff, 0 0 0 11px var(--surface-100); }

.hp-step { padding-bottom: 120px; }
.hp-step-first { padding: 96px 0 120px; }
.hp-step-last { padding-bottom: 128px; }
.hp-step-head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 24px;
  transform: translateX(-16px); opacity: 0;
  transition: transform .55s cubic-bezier(.16,1,.3,1), opacity .45s ease-out;
}
.hp-step-head.is-on { transform: translateX(0); opacity: 1; }
.hp-step-label { font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; white-space: nowrap; }
.hp-step-rule { flex: 1; height: 2px; border-radius: 2px; }
.hp-step-rule-blue { background: linear-gradient(90deg, #BFD6FA 0%, transparent 100%); }
.hp-step-rule-dark { background: linear-gradient(90deg, #C9CEDC 0%, transparent 100%); }
.hp-step-rule-gold { background: linear-gradient(90deg, #EBD79B 0%, transparent 100%); }
.hp-step-rule-gray { background: linear-gradient(90deg, #D8DEE7 0%, transparent 100%); }
.hp-step-h2 { margin: 0 0 12px; font-size: 32px; font-weight: 700; letter-spacing: -.025em; color: var(--anthracite); text-wrap: balance; }
.hp-step-h2-narrow { max-width: 620px; }
.hp-step-body { margin: 0; font-size: 17px; line-height: 1.65; color: var(--hp-gray-600); text-wrap: pretty; }
.hp-step-body-wide { max-width: 560px; margin-bottom: 40px; }
.hp-step-foot { margin-top: 40px; max-width: 1000px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* ---------- 01 Essayer ---------- */
.hp-step01-grid { max-width: 1000px; display: grid; grid-template-columns: minmax(0, 400px) 1fr; gap: 64px; align-items: center; }
.hp-step01-text { display: flex; flex-direction: column; gap: 16px; }
.hp-step01-text .hp-step-h2 { margin-bottom: 0; }
.hp-checks { margin-top: 8px; display: flex; flex-direction: column; gap: 10px; }
.hp-check { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 500; color: var(--hp-gray-700); }
.hp-check iconify-icon { color: var(--success); font-size: 17px; flex: none; }

.hp-trial { background: #fff; border: 2px solid var(--cobalt-100); border-radius: 20px; padding: 26px; display: flex; flex-direction: column; gap: 18px; box-shadow: var(--shadow-premium); }
.hp-trial-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hp-trial-dots { display: flex; gap: 6px; }
.hp-trial-dot { width: 30px; height: 5px; border-radius: 999px; background: #E2E8F0; }
.hp-trial-dot.is-current { background: #93B8F5; }
.hp-trial-dot.is-done { background: var(--electric-blue); }
.hp-trial-live { display: flex; flex-direction: column; gap: 14px; }
.hp-trial-card {
  background: var(--surface-100); border: 1px solid var(--hp-gray-200); border-radius: 14px;
  padding: 28px 24px; min-height: 148px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px; text-align: center;
}
.hp-trial-question { font-weight: 600; font-size: 23px; color: var(--anthracite); }
.hp-trial-reveal { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.hp-trial-answer { font-family: var(--font-card); font-weight: 800; text-transform: uppercase; letter-spacing: .05em; font-size: 28px; color: var(--electric-blue); }
.hp-trial-precision { font-family: var(--font-quote); font-style: italic; font-size: 14px; color: var(--hp-gray-500); }
.hp-trial-prompt { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--hp-gray-300); animation: hpBlink 1.9s ease-in-out infinite; }
@keyframes hpBlink { 0%, 100% { opacity: .9; } 50% { opacity: .3; } }
.hp-trial-btn { width: 100%; background: var(--electric-blue); color: #fff; font: inherit; font-size: 15px; font-weight: 600; padding: 14px; border: none; border-radius: 10px; cursor: pointer; }
.hp-trial-rate { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.hp-trial-rate button { font: inherit; font-size: 14px; font-weight: 600; padding: 14px; border-radius: 10px; cursor: pointer; }
.hp-trial-again { background: #fff; color: var(--danger-600); border: 1px solid #FECACA; }
.hp-trial-known { background: #F0FDF4; color: #15803D; border: 1px solid #BBF7D0; }

.hp-trial-done { display: flex; flex-direction: column; gap: 18px; }
.hp-recap { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 14px; overflow: hidden; }
.hp-recap-head { padding: 15px 18px; border-bottom: 1px solid var(--hp-gray-100); display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.hp-recap-title { font-weight: 600; font-size: 15px; color: var(--anthracite); }
.hp-recap-row { padding: 13px 18px; border-bottom: 1px solid var(--hp-gray-100); display: flex; align-items: center; gap: 12px; }
.hp-recap-dot { width: 8px; height: 8px; border-radius: 999px; flex: none; }
.hp-recap-main { flex: 1; min-width: 0; }
.hp-recap-term { font-weight: 600; font-size: 14px; color: var(--anthracite); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hp-recap-when { flex: none; display: flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px; }
.hp-recap-note { padding: 13px 18px; display: flex; align-items: center; gap: 9px; background: var(--cobalt-50); font-size: 13px; color: var(--cobalt); line-height: 1.5; }
.hp-recap-note iconify-icon { color: var(--electric-blue); font-size: 17px; flex: none; }
.hp-trial-end { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.hp-trial-end .hp-btn-gold { font-size: 15px; padding: 13px 22px; border-radius: 10px; }
.hp-trial-reset { display: flex; align-items: center; gap: 6px; background: transparent; color: var(--hp-gray-500); font: inherit; font-size: 14px; font-weight: 500; padding: 12px 4px; border: none; cursor: pointer; }

/* ---------- 02 Ancrer ---------- */
.hp-stairs { max-width: 1000px; background: linear-gradient(180deg, #F5F8FE 0%, #FFFFFF 78%); border: 1px solid var(--hp-gray-200); border-radius: 22px; padding: 38px 40px 32px; }
.hp-stairs-head { margin-bottom: 34px; display: flex; align-items: center; gap: 18px; }
.hp-stairs-h3 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -.02em; color: var(--anthracite); }
.hp-stairs-rule { flex: 1; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--cobalt-100), transparent); }
.hp-stairs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; align-items: start; }
.hp-stairs-line { display: none; }
/* Deux rangées, et c'est là que se joue la lisibilité du bloc : la première a
   une hauteur FIXE (la plus haute carte, 92 px, plus la montée maximale, 78 px),
   dans laquelle chaque carte se cale en bas puis remonte de son propre `--lift`.
   La marche d'escalier reste donc visible sur les cartes, mais elle ne pousse
   plus la colonne entière — les libellés, les durées et les notes des quatre
   états partagent la même ligne de base. */
.hp-state { display: grid; grid-template-rows: 170px auto; gap: 18px; }
.hp-state > .hp-state-card { align-self: end; margin-bottom: var(--lift, 0); }
.hp-state-bullet { display: none; }
.hp-state-card { height: 92px; border: 1px solid var(--hp-gray-200); border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; justify-content: space-between; }
.hp-state-card-glow { box-shadow: var(--shadow-gold-glow); }
.hp-state-card-top { display: flex; align-items: center; justify-content: space-between; }
.hp-state-card .hp-mono-2xs { font-size: 9px; font-weight: 700; letter-spacing: .12em; color: var(--hp-gray-500); }
.hp-state-stars { font-size: 10px; letter-spacing: .12em; }
.hp-state-term { font-weight: 600; font-size: 14px; line-height: 1.3; color: var(--anthracite); }
.hp-state-meta { display: flex; flex-direction: column; gap: 4px; }
.hp-state-meta .hp-mono-2xs { font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.hp-state-retention { font-size: 28px; font-weight: 700; letter-spacing: -.025em; line-height: 1.1; }
.hp-state-note { font-size: 13px; line-height: 1.5; color: var(--hp-gray-500); margin-top: 3px; }
/* Sur l'escalier horizontal, le J+n vit dans l'axe sous les cartes. */
.hp-stairs-grid .hp-state-step { display: none; }

.hp-stairs-axis { margin-top: 24px; position: relative; height: 34px; }
/* La barre est grise au repos ; la couleur est un calque au-dessus, révélé de
   gauche à droite par --reveal (piloté au scroll dans js/home.js). */
.hp-stairs-axis-bar { position: absolute; left: 0; right: 0; top: 4px; height: 3px; border-radius: 999px; background: var(--hp-gray-200); overflow: hidden; }
.hp-stairs-axis-bar::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, #E2E8F0 0%, #93B8F5 42%, var(--electric-blue) 68%, var(--gold) 100%);
  transform: scaleX(var(--reveal, 0)); transform-origin: left center;
}
.hp-stairs-axis-steps { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.hp-stairs-axis-step { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.hp-stairs-axis-dot { width: 11px; height: 11px; border-radius: 999px; border: 2px solid #fff; }
.hp-stairs-axis-label { font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
/* ---------- révélation progressive de l'escalier ----------
   Au repos, l'escalier est gris : rien n'est encore appris. Les couleurs
   arrivent au fil du scroll, colonne après colonne de gauche à droite (de haut
   en bas sur mobile), pour figurer une mémoire qui se construit et retient de
   plus en plus longtemps.

   On passe par `filter: grayscale()` plutôt que par une bascule de couleurs :
   les teintes sont posées en style inline depuis les données (une par état), et
   les désaturer d'un bloc évite de les dupliquer en CSS — donc aucune palette à
   maintenir en double le jour où une couleur change dans home.yaml. */
.hp-stairs-h3 .hp-blue-text { filter: grayscale(1); opacity: .35; transition: filter .45s ease, opacity .45s ease; }
.hp-stairs-h3 .hp-blue-text.is-lit { filter: grayscale(0); opacity: 1; }

/* Chaque état arrive de plus bas, rétréci et éteint, puis se pose en couleur.
   Le rebond (cubic-bezier au dépassement) est là pour que le passage se
   remarque même en scrollant vite : c'est le moment où la carte « est apprise ». */
.hp-state,
.hp-stairs-axis-step {
  filter: grayscale(1); opacity: .3;
  transform: translateY(14px) scale(.94); transform-origin: bottom center;
  transition: filter .5s ease, opacity .5s ease, transform .6s cubic-bezier(.34, 1.56, .64, 1);
}
.hp-state.is-lit,
.hp-stairs-axis-step.is-lit { filter: grayscale(0); opacity: 1; transform: none; }

/* La durée de rétention est le chiffre qui porte le message : elle gonfle une
   fraction de seconde de plus que le reste de la colonne. */
.hp-state-retention { transform: scale(.88); transition: transform .6s cubic-bezier(.34, 1.56, .64, 1) .12s; transform-origin: left center; }
.hp-state.is-lit .hp-state-retention { transform: scale(1); }

/* Tête de comète : le point lumineux qui court le long de la barre, à la
   frontière exacte entre ce qui est acquis et ce qui ne l'est pas encore.
   Porté par `.hp-stairs-axis` et non par la barre, qui est en overflow:hidden
   pour clipper son dégradé — le halo y serait rogné à 3 px de haut.
   L'opacité culmine à mi-parcours et s'éteint aux deux bouts : au départ il n'y
   a rien d'acquis, à l'arrivée il n'y a plus de frontière. */
.hp-stairs-axis::after {
  content: ''; position: absolute; top: 5px; left: calc(var(--reveal, 0) * 100%);
  width: 26px; height: 26px; margin: -13px 0 0 -13px; border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,.95) 0%, rgba(120,170,250,.6) 40%, rgba(120,170,250,0) 70%);
  opacity: calc(var(--reveal, 0) * (1 - var(--reveal, 0)) * 4);
  pointer-events: none;
}

/* Sans JS, rien ne pose `is-lit` : on affiche l'escalier en couleurs. */
.hp-stairs:not(.hp-stairs-armed) .hp-stairs-h3 .hp-blue-text,
.hp-stairs:not(.hp-stairs-armed) .hp-state,
.hp-stairs:not(.hp-stairs-armed) .hp-stairs-axis-step { filter: grayscale(0); opacity: 1; transform: none; }
.hp-stairs:not(.hp-stairs-armed) .hp-state-retention { transform: none; }
.hp-stairs:not(.hp-stairs-armed) .hp-stairs-axis::after { opacity: 0; }
.hp-stairs:not(.hp-stairs-armed) .hp-stairs-axis-bar::before { transform: scaleX(1); }

.hp-stairs-note { margin: 30px 0 0; padding-top: 18px; border-top: 1px solid var(--hp-gray-100); font-size: 13px; line-height: 1.6; color: var(--hp-gray-500); text-wrap: pretty; }
.hp-stairs-note iconify-icon { vertical-align: -2px; margin-right: 5px; }

.hp-stack-grid { margin-top: 28px; max-width: 1000px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 28px; align-items: stretch; }
.hp-stack { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 18px; box-shadow: var(--shadow-soft-lg); overflow: hidden; }
.hp-stack-head { padding: 16px 18px; border-bottom: 1px solid var(--hp-gray-100); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hp-stack-title { display: flex; align-items: center; gap: 9px; }
.hp-stack-icon { width: 30px; height: 30px; border-radius: 8px; background: var(--cobalt-50); display: grid; place-items: center; color: var(--electric-blue); font-size: 17px; flex: none; }
.hp-stack-name { font-weight: 600; font-size: 15px; color: var(--anthracite); }
.hp-stack-action { background: var(--electric-blue); color: #fff; font-size: 13px; font-weight: 600; padding: 9px 15px; border-radius: 8px; flex: none; }
.hp-queue-row { padding: 12px 18px; border-bottom: 1px solid var(--hp-gray-100); display: flex; align-items: center; gap: 12px; }
.hp-queue-face { width: 26px; height: 34px; border-radius: 6px; opacity: .75; flex: none; }
.hp-queue-main { flex: 1; min-width: 0; }
.hp-queue-term { font-weight: 600; font-size: 14px; color: var(--anthracite); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hp-queue-stars { flex: none; font-size: 11px; letter-spacing: .1em; }
.hp-queue-badge { flex: none; font-size: 11.5px; font-weight: 600; padding: 4px 9px; border-radius: 999px; white-space: nowrap; }
.hp-stack-foot { padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--surface-100); font-size: 13px; color: var(--hp-gray-500); }

.hp-aside { background: var(--cobalt); border-radius: 18px; padding: 26px 24px; display: flex; flex-direction: column; justify-content: center; gap: 12px; color: #fff; }
.hp-aside-number { display: flex; align-items: baseline; gap: 8px; }
.hp-aside-value { font-weight: 700; font-size: 46px; letter-spacing: -.04em; line-height: 1; }
.hp-aside-unit { font-size: 17px; color: rgba(255,255,255,.65); }
.hp-aside-body { margin: 0; font-size: 15px; line-height: 1.6; color: rgba(255,255,255,.82); }
.hp-aside-cta { display: inline-flex; align-items: center; justify-content: center; gap: 9px; background: #fff; color: var(--cobalt); font-size: 15px; font-weight: 700; padding: 14px 22px; border-radius: 11px; margin-top: 6px; }
.hp-highlight { background: linear-gradient(180deg, rgba(255,182,39,0) 42%, rgba(255,182,39,.9) 42%, rgba(245,158,11,.55) 100%); padding: 0 3px; margin: 0 1px; border-radius: 2px; box-decoration-break: clone; }
.hp-aside-note { font-size: 12.5px; color: rgba(255,255,255,.55); }

/* ---------- 03 Collectionner ---------- */

@keyframes hpGold { 0%, 100% { box-shadow: 0 0 18px rgba(255,215,0,.3); } 50% { box-shadow: 0 0 32px rgba(255,215,0,.6); } }

/* ---------- 04 Progresser ---------- */
.hp-progress-grid { max-width: 1000px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; }
.hp-week { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 16px; box-shadow: var(--shadow-soft); padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.hp-week-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hp-streak { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: #D97706; }
.hp-week-bars { display: flex; align-items: flex-end; gap: 10px; height: 92px; }
.hp-week-day { flex: 1; align-self: stretch; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 7px; }
.hp-week-bar { width: 100%; min-height: 4px; border-radius: 5px 5px 2px 2px; }
.hp-week-letter { font-family: var(--font-mono); font-size: 9px; color: var(--hp-gray-400); }
.hp-week-stats { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--hp-gray-100); padding-top: 14px; }
.hp-week-stat-value { font-weight: 700; font-size: 20px; color: var(--anthracite); }
.hp-week-stat-label { font-size: 12px; color: var(--hp-gray-500); }

.hp-trophies { background: var(--surface-100); border: 1px solid var(--hp-gray-100); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.hp-trophy { background: #fff; border: 1px solid var(--hp-gray-100); border-radius: 12px; padding: 13px 15px; display: flex; align-items: center; gap: 13px; }
.hp-trophy-icon { font-size: 22px; line-height: 1; }
.hp-trophy-text { flex: 1; }
.hp-trophy-title { font-weight: 600; font-size: 14px; color: var(--anthracite); }
.hp-trophy-desc { font-size: 12px; color: var(--hp-gray-500); }
.hp-trophy-state { color: var(--hp-gray-300); font-size: 18px; }
.hp-trophy-state.is-done { color: var(--success); }

/* ============================================================
   FAQ
   ============================================================ */
.hp-faq { padding: 96px 32px; background: var(--surface-100); border-top: 1px solid var(--hp-gray-200); }
.hp-faq-h2 { margin: 0 0 40px; font-size: 28px; font-weight: 700; letter-spacing: -.025em; color: var(--anthracite); text-align: center; }
.hp-faq-list { display: flex; flex-direction: column; gap: 12px; }
.hp-faq-item { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 14px; padding: 4px 20px; }
.hp-faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 0; font-weight: 600; font-size: 16px; color: var(--anthracite);
  cursor: pointer; list-style: none;
}
.hp-faq-item summary::-webkit-details-marker { display: none; }
.hp-faq-item summary iconify-icon { color: var(--electric-blue); font-size: 20px; flex: none; transition: transform .2s ease; }
.hp-faq-item[open] summary iconify-icon { transform: rotate(180deg); }
.hp-faq-item p { margin: 0; padding: 0 0 18px; font-size: 15px; line-height: 1.7; color: var(--hp-gray-600); }

/* ============================================================
   CTA FINAL
   ============================================================ */
.hp-cta { background: linear-gradient(135deg, var(--cobalt) 0%, #15307C 100%); padding: 104px 32px; text-align: center; }
.hp-cta-h2 { margin: 0 0 14px; font-weight: 700; font-size: 40px; line-height: 1.08; letter-spacing: -.03em; color: #fff; }
.hp-cta-body { margin: 0 auto 28px; max-width: 470px; font-size: 16px; color: rgba(255,255,255,.72); }


/* ============================================================
   GRATUIT · SANS INSCRIPTION
   ============================================================ */
.hp-free { background: var(--anthracite); padding: 42px 32px; }
.hp-free-inner { max-width: 1040px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 400px) 1fr; gap: 56px; align-items: center; }
.hp-free-text { display: flex; flex-direction: column; gap: 10px; }
.hp-free-h2 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -.025em; color: #fff; text-wrap: balance; }
.hp-free-body { margin: 0; font-size: 15px; line-height: 1.6; color: rgba(255,255,255,.6); }
.hp-free-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.hp-free-point { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.5; color: rgba(255,255,255,.9); }
.hp-free-point iconify-icon { flex: none; color: #FFB627; font-size: 19px; margin-top: 1px; }

/* ============================================================
   DÉFINITION
   ============================================================ */
.hp-def { background: var(--paper); border-top: 1px solid #F0E7D8; border-bottom: 1px solid #F0E7D8; padding: 88px 32px; }
.hp-def-inner { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: 1fr minmax(0, 360px); gap: 72px; align-items: center; }
.hp-def-text { display: flex; flex-direction: column; gap: 16px; }
.hp-def-h2 { margin: 0; font-size: 32px; font-weight: 700; letter-spacing: -.025em; color: var(--anthracite); text-wrap: balance; }
.hp-def-body { margin: 0; font-size: 17px; line-height: 1.7; color: var(--hp-gray-700); text-wrap: pretty; }
.hp-def-body2 { margin: 0; font-size: 15px; line-height: 1.65; color: var(--hp-gray-600); text-wrap: pretty; }

.hp-def-card-zone { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.hp-def-stage { width: 300px; perspective: 1400px; }
.hp-def-card { position: relative; width: 300px; height: 196px; transform-style: preserve-3d; transition: transform .65s ease-in-out; }
.hp-def-card.is-flipped { transform: rotateY(180deg); }
.hp-def-face { position: absolute; inset: 0; backface-visibility: hidden; padding: 22px; border-radius: 14px; display: flex; flex-direction: column; justify-content: space-between; }
.hp-def-front { background: #fff; border: 1px solid var(--hp-gray-200); box-shadow: var(--shadow-lift); }
.hp-def-back { transform: rotateY(180deg); background: var(--electric-blue); box-shadow: var(--shadow-premium); color: #fff; }
.hp-def-back .hp-mono-xs { color: rgba(255,255,255,.7); }
.hp-def-question { font-weight: 600; font-size: 21px; line-height: 1.3; color: var(--anthracite); }
.hp-def-hint { color: var(--hp-gray-300); }
.hp-def-answer { font-family: var(--font-card); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; font-size: 26px; line-height: 1.1; }
.hp-def-precision { font-family: var(--font-quote); font-style: italic; font-size: 14px; color: rgba(255,255,255,.85); }
.hp-def-toggle {
  display: inline-flex; align-items: center; gap: 8px; background: #fff;
  border: 1px solid var(--hp-gray-200); border-radius: 999px; padding: 10px 18px;
  font: inherit; font-size: 13.5px; font-weight: 600; color: var(--hp-gray-700);
  cursor: pointer; box-shadow: var(--shadow-soft);
}
.hp-def-toggle:hover { color: var(--electric-blue); border-color: var(--cobalt-100); }

/* ============================================================
   ÉTAPE 03 — LES DEUX VOIES
   ============================================================ */
.hp-step-h2-wide { max-width: 720px; }
.hp-paths { max-width: 1000px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 44px; }
.hp-path { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow-soft); }
.hp-path-head { display: flex; align-items: center; gap: 10px; }
.hp-path-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--cobalt-50); display: grid; place-items: center; color: var(--electric-blue); font-size: 19px; }
.hp-path-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--electric-blue); }
.hp-path-h3 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: -.02em; color: var(--anthracite); }
.hp-path-body { margin: 0; font-size: 15px; line-height: 1.65; color: var(--hp-gray-600); text-wrap: pretty; }
.hp-path-steps { list-style: none; margin: 2px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.hp-path-steps li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.5; color: var(--hp-gray-700); }
.hp-path-n { flex: none; width: 22px; height: 22px; border-radius: 999px; background: var(--cobalt-50); color: var(--electric-blue); display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; font-weight: 700; }

/* ============================================================
   COMPARATIF
   ============================================================ */
.hp-vs { background: var(--surface-100); border-top: 1px solid var(--hp-gray-200); padding: 88px 32px 96px; }
.hp-vs-h2 { margin: 12px 0; font-size: 32px; font-weight: 700; letter-spacing: -.025em; color: var(--anthracite); text-wrap: balance; }
.hp-vs-chapo { margin: 0 0 32px; max-width: 640px; font-size: 17px; line-height: 1.65; color: var(--hp-gray-600); text-wrap: pretty; }
.hp-vs-wrap { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-soft); }
.hp-vs-table { width: 100%; border-collapse: collapse; }
.hp-vs-table thead { background: var(--anthracite); }
.hp-vs-table thead th { padding: 16px 14px; font-size: 15px; font-weight: 600; color: rgba(255,255,255,.85); text-align: center; }
.hp-vs-table thead th:first-child { padding: 16px 20px; font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); text-align: left; }
.hp-vs-table thead th.hp-vs-us { color: #FFB627; font-weight: 700; }
.hp-vs-table tbody tr { border-bottom: 1px solid var(--hp-gray-100); }
.hp-vs-table tbody tr:last-child { border-bottom: none; }
.hp-vs-table tbody th { padding: 16px 20px; font-size: 14.5px; font-weight: 600; color: var(--anthracite); text-align: left; }
.hp-vs-table td { padding: 16px 14px; font-size: 14px; line-height: 1.5; color: var(--hp-gray-600); text-align: center; vertical-align: middle; }
.hp-vs-table td.hp-vs-us { background: var(--cobalt-50); color: var(--cobalt); font-weight: 500; }
.hp-vs-note { margin: 18px 0 0; font-size: 13px; line-height: 1.6; color: var(--hp-gray-500); text-wrap: pretty; }

/* ============================================================
   RESPONSIVE — dérivé de la maquette « Home Mobile »
   ============================================================ */

/* Tablette : la grille du hero et les blocs à 3-4 colonnes se resserrent. */
@media (max-width: 1100px) {
  .hp-hero-float { display: none; }
  /* Deux colonnes laissaient une capture de 200 px surmontée du numéro et du
     texte : l'étape se lisait sur 460 px de haut, et le chiffre passait sous la
     ligne de flottaison. On adopte dès ici la disposition en ligne du mobile —
     numéro, texte, vignette — qui tient l'étape entière d'un coup d'œil. */
  .hp-facts { display: flex; flex-direction: column; gap: 14px; }
  .hp-fact { flex-direction: row; align-items: flex-start; gap: 16px; padding: 16px; }
  .hp-fact-n { flex: none; order: 1; }
  .hp-fact-text { flex: 1; order: 2; padding-top: 6px; }
  .hp-fact-shot { flex: none; width: 96px; max-width: none; margin-inline: 0; order: 3; }
  .hp-science-grid { grid-template-columns: 1fr; row-gap: 0; }
  .hp-col-a, .hp-col-b { grid-column: 1; }
  .hp-row-1, .hp-row-2, .hp-row-3, .hp-row-4 { grid-row: auto; }
  .hp-science-h2, .hp-col-b.hp-science-h2 { max-width: none; margin: 12px 0 8px; }
  .hp-row-4 { margin-bottom: 48px; }
  .hp-step01-grid { grid-template-columns: 1fr; gap: 32px; }
  .hp-free-inner { grid-template-columns: 1fr; gap: 24px; }
  .hp-def-inner { grid-template-columns: 1fr; gap: 40px; }
  .hp-paths { grid-template-columns: 1fr; gap: 18px; }
  .hp-stack-grid, .hp-progress-grid { grid-template-columns: 1fr; }
}

/* Le rail vertical n'a plus la place : la pastille rentre dans l'en-tête
   d'étape, comme dans la maquette mobile. */
@media (max-width: 900px) {
  .hp-rail { display: block; padding: 0 20px; }
  .hp-rail-dash, .hp-rail-progress-track { display: none; }
  .hp-node-cell { display: none; }
  .hp-step, .hp-step-first, .hp-step-last { padding: 0 0 72px; }
  .hp-step-head { transform: none; opacity: 1; margin-bottom: 18px; }
  .hp-step-head::before {
    content: attr(data-step); flex: none; width: 44px; height: 44px; border-radius: 999px;
    display: grid; place-items: center; font-family: var(--font-mono); font-weight: 700;
    font-size: 15px; color: #fff; background: var(--anthracite); box-shadow: 0 0 0 5px #E3E6EE;
  }
  .hp-step-head[data-step="01"]::before { background: var(--electric-blue); box-shadow: 0 0 0 5px #DCE7FB; }
  .hp-step-head[data-step="03"]::before { background: var(--gold); box-shadow: 0 0 0 5px #F5ECCD; }
  .hp-step-head[data-step="04"]::before { background: #fff; color: var(--hp-gray-500); border: 2px solid var(--hp-gray-300); box-shadow: 0 0 0 5px var(--surface-100); }
  .hp-step-label { font-size: 11.5px; letter-spacing: .2em; }
  .hp-step-rule { display: none; }
}

/* Sous 900 px, quatre colonnes de texte ne tiennent plus. Le tableau se replie
   en une carte par critère : le critère en tête, puis une ligne par outil, le
   nom de la colonne repris depuis `data-col`. Le markup reste un vrai <table>,
   donc la sémantique à double entrée survit au repli. */
@media (max-width: 900px) {
  .hp-vs-table, .hp-vs-table tbody, .hp-vs-table tr, .hp-vs-table td, .hp-vs-table th { display: block; }
  .hp-vs-table thead { display: none; }
  .hp-vs-wrap { background: transparent; border: none; box-shadow: none; }
  .hp-vs-table tbody tr { background: #fff; border: 1px solid var(--hp-gray-200); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-soft); margin-bottom: 12px; }
  .hp-vs-table tbody th { background: var(--anthracite); color: #fff; padding: 12px 14px; font-size: 13.5px; }
  .hp-vs-table td { display: flex; gap: 10px; padding: 11px 14px; text-align: left; font-size: 13px; border-top: 1px solid var(--hp-gray-100); }
  .hp-vs-table td::before { content: attr(data-col); flex: none; width: 62px; font-size: 12.5px; font-weight: 700; color: var(--hp-gray-500); }
  .hp-vs-table td.hp-vs-us::before { color: var(--electric-blue); }
}

@media (max-width: 720px) {
  .hp-hero { padding: 48px 20px 64px; }
  .hp-hero-tagline { font-size: 34px; line-height: 1.08; letter-spacing: -.03em; }
  .hp-hero-sub { font-size: 16px; }
  .hp-flip-stage, .hp-flip { width: 100%; max-width: 340px; }
  .hp-flip { height: 200px; }
  .hp-flip-answer { font-size: 30px; }
  .hp-hero-buttons { width: 100%; flex-direction: column; }
  .hp-hero-buttons .hp-btn-gold, .hp-btn-ghost { width: 100%; }

  .hp-pains { padding: 56px 20px 60px; }
  .hp-pains-h2 { font-size: 23px; margin-bottom: 24px; }
  .hp-pains-grid { grid-template-columns: 1fr; gap: 14px; }
  .hp-pain { padding: 20px; border-radius: 14px; }
  .hp-pain-quote { font-size: 16.5px; }
  .hp-pains-cta { margin-top: 28px; flex-direction: column; }

  .hp-summary { margin-top: 44px; padding: 26px 20px 24px; border-radius: 20px; }
  .hp-summary-h2 { font-size: 21px; }
  .hp-summary-badge { font-size: 10px; padding: 5px 10px; }
  .hp-summary-glow-gold { display: none; }
  /* Chaque fait devient une ligne : numéro, texte, vignette à droite. */
  .hp-facts { display: flex; flex-direction: column; gap: 14px; }
  .hp-fact { flex-direction: row; align-items: flex-start; gap: 12px; padding: 12px; border-radius: 14px; }
  .hp-fact-n { flex: none; width: 32px; height: 32px; font-size: 13px; order: 1; }
  .hp-fact-text { flex: 1; font-size: 14px; padding-top: 5px; order: 2; }
  .hp-fact-shot { flex: none; width: 84px; aspect-ratio: auto; height: 182px; order: 3; border-radius: 11px; }

  .hp-science { padding: 56px 20px 64px; }
  .hp-science-h2 { font-size: 22px; }
  .hp-science-body { font-size: 14.5px; }
  .hp-chart { padding: 16px 16px 12px; border-radius: 14px; }
  .hp-ladder-label { width: auto; }

  .hp-step-h2 { font-size: 24px; }
  .hp-step-body { font-size: 15px; }
  .hp-step-body-wide { margin-bottom: 24px; }
  .hp-trial { padding: 18px; border-radius: 16px; }
  .hp-trial-question { font-size: 19px; }
  .hp-trial-rate { grid-template-columns: 1fr 1fr; gap: 8px; }
  .hp-trial-rate button { font-size: 13px; padding: 12px 8px; }
  .hp-trial-end { flex-direction: column; align-items: stretch; }
  .hp-trial-end .hp-btn-gold { width: 100%; }

  /* L'escalier horizontal devient une timeline verticale. */
  .hp-stairs { padding: 22px 18px; border-radius: 18px; }
  .hp-stairs-head { margin-bottom: 20px; }
  .hp-stairs-h3 { font-size: 19px; }
  .hp-stairs-rule { display: none; }
  .hp-stairs-grid { position: relative; display: flex; flex-direction: column; gap: 18px; }
  /* Même révélation qu'en desktop, mais l'escalier est vertical : la couleur
     descend de haut en bas au lieu d'aller de gauche à droite. */
  .hp-stairs-line {
    display: block; position: absolute; left: 5px; top: 12px; bottom: 12px; width: 2px; border-radius: 2px;
    background: var(--hp-gray-200); overflow: hidden;
  }
  .hp-stairs-line::before {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background: linear-gradient(180deg, #E2E8F0 0%, #93B8F5 42%, var(--electric-blue) 68%, var(--gold) 100%);
    transform: scaleY(var(--reveal, 0)); transform-origin: top center;
  }
  .hp-stairs:not(.hp-stairs-armed) .hp-stairs-line::before { transform: scaleY(1); }
  .hp-state { position: relative; display: flex; flex-direction: row; gap: 14px; align-items: flex-start; padding-left: 22px; margin-bottom: 0; }
  .hp-state > .hp-state-card { align-self: flex-start; margin-bottom: 0; }
  .hp-state-bullet { display: block; position: absolute; left: 0; top: 10px; width: 12px; height: 12px; border-radius: 999px; background: var(--tag); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--tag); }
  .hp-state-card { flex: none; width: 92px; height: auto; gap: 8px; padding: 9px 10px; border-radius: 10px; }
  .hp-state-term { font-size: 12px; }
  .hp-state-card-top { flex-direction: column; align-items: flex-start; gap: 4px; }
  .hp-state-meta { padding-top: 2px; }
  .hp-state-retention { font-size: 22px; }
  .hp-state-note { font-size: 12px; }
  .hp-stairs-grid .hp-state-step { display: inline; }
  .hp-stairs-axis { display: none; }
  .hp-stairs-note { font-size: 11.5px; margin-top: 22px; }

  .hp-week-stats { gap: 8px; }
  .hp-week-stat-value { font-size: 18px; }
  .hp-aside-value { font-size: 38px; }
  .hp-step-foot { flex-direction: column; align-items: stretch; gap: 14px; }
  .hp-step-foot .hp-btn { width: 100%; }

  .hp-free { padding: 30px 20px; }
  .hp-free-h2 { font-size: 21px; }
  .hp-free-points { grid-template-columns: 1fr; gap: 12px; }

  .hp-def { padding: 56px 20px; }
  .hp-def-h2 { font-size: 24px; }
  .hp-def-body { font-size: 15px; }
  .hp-def-stage, .hp-def-card { width: 100%; max-width: 300px; }
  .hp-def-card-zone { align-items: stretch; }
  .hp-def-stage { align-self: center; }
  .hp-def-toggle { justify-content: center; }

  .hp-path { padding: 20px; border-radius: 14px; }
  .hp-path-h3 { font-size: 19px; }
  .hp-paths { margin-bottom: 28px; }

  .hp-vs { padding: 56px 20px 60px; }
  .hp-vs-h2 { font-size: 23px; }
  .hp-vs-chapo { font-size: 15px; margin-bottom: 22px; }

  .hp-faq { padding: 56px 20px; }
  .hp-faq-h2 { font-size: 23px; margin-bottom: 24px; }
  .hp-faq-item summary { font-size: 15px; }

  .hp-cta { padding: 64px 24px; }
  .hp-cta-h2 { font-size: 28px; }
  .hp-cta-body { font-size: 14.5px; }
  .hp-btn-lg { width: 100%; }
}