/* Mise en page éditoriale : colonnes et filets plutôt que cartes ; lignes de flux animées dans le héros, les offres et l'appel final. Tokens du Design System Xtra Flow. */
:root {
  --violet: #3A1E8C; --violet-700: #4B2BAE; --violet-100: #ECE7F7; --indigo: #2A3A9E; --bleu-flux: #1F4FA8;
  --brand-text: #3A1E8C; --flux: #F0502A; --flux-hover: #D9431C; --on-flux: #FFFFFF; --flux-text: #B83A18; --flux-100: #FDE9E3;
  --bg: #FAF8F5; --surface: #FFFFFF; --surface-sunken: #EDF2FC;
  --sec-a: #FAF9F7; --sec-b: #F2F5FC; --sun-a: #EEF3FC; --sun-b: #E5ECFA;
  --glow-a: rgba(96, 128, 230, 0.20); --glow-b: rgba(150, 120, 230, 0.16); --glow-c: rgba(240, 80, 42, 0.07); --line: #E4DFD7; --line-strong: #8C8794;
  --text: #1A0B40; --text-muted: #5F5A6B; --soft-line: #DCD3F0;
  --inverse-bg: #3A1E8C; --inverse-text: #F5EEE6; --inverse-muted: #C3B8E6; --inverse-muted-blue: #D3D8F2;
  --focus: #3A1E8C; --success: #1B7A52;
  --shadow-sm: 0 1px 2px rgba(58,30,140,0.06), 0 1px 3px rgba(58,30,140,0.06);
  --shadow-md: 0 4px 12px rgba(58,30,140,0.10), 0 2px 4px rgba(58,30,140,0.06);
  --font-display: "Baloo 2", "Nunito", system-ui, sans-serif;
  --font-text: "Nunito", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius-md: 12px; --radius-xl: 28px; --radius-pill: 999px;
  --ease-flow: cubic-bezier(0.45, 0, 0.25, 1); --fast: 150ms; --base: 250ms;
  --gutter: 32px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --violet-100: #2A1F5C; --brand-text: #C9BCF5; --flux-text: #FF8F70; --flux-100: #3A1A24;
  --bg: #120B2E; --surface: #1B1342; --surface-sunken: #0D0824;
  --sec-a: #120B2E; --sec-b: #141236; --sun-a: #0D0824; --sun-b: #10133A;
  --glow-a: rgba(60, 90, 210, 0.22); --glow-b: rgba(120, 80, 210, 0.18); --glow-c: rgba(240, 80, 42, 0.06); --line: #2E2558; --line-strong: #7D74A8;
  --text: #F5EEE6; --text-muted: #B9B1D6; --soft-line: #2E2558; --inverse-bg: #2A1670; --focus: #FFB59C; --success: #5CCF97;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.35); --shadow-md: 0 4px 14px rgba(0,0,0,0.45);
  color-scheme: dark; } }
:root[data-theme="dark"] {
  --violet-100: #2A1F5C; --brand-text: #C9BCF5; --flux-text: #FF8F70; --flux-100: #3A1A24;
  --bg: #120B2E; --surface: #1B1342; --surface-sunken: #0D0824;
  --sec-a: #120B2E; --sec-b: #141236; --sun-a: #0D0824; --sun-b: #10133A;
  --glow-a: rgba(60, 90, 210, 0.22); --glow-b: rgba(120, 80, 210, 0.18); --glow-c: rgba(240, 80, 42, 0.06); --line: #2E2558; --line-strong: #7D74A8;
  --text: #F5EEE6; --text-muted: #B9B1D6; --soft-line: #2E2558; --inverse-bg: #2A1670; --focus: #FFB59C; --success: #5CCF97;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.35); --shadow-md: 0 4px 14px rgba(0,0,0,0.45);
  color-scheme: dark; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-text); font-size: 17px; line-height: 28px; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); color: var(--brand-text); margin: 0; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.wrap { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding-left: max(var(--gutter), env(safe-area-inset-left, 0px)); padding-right: max(var(--gutter), env(safe-area-inset-right, 0px)); box-sizing: content-box; }
.section { position: relative; padding-block: 104px; background: linear-gradient(170deg, var(--sec-a) 0%, var(--sec-b) 100%); }
.sunken, .section.sunken { background: linear-gradient(170deg, var(--sun-a) 0%, var(--sun-b) 100%); }
.h2 { font-size: 38px; line-height: 44px; font-weight: 800; }
.lead { font-size: 20px; line-height: 32px; color: var(--text-muted); max-width: 620px; }
.head { display: grid; gap: 16px; margin-bottom: 56px; max-width: 720px; }
.muted { color: var(--text-muted); }

.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* Lignes de flux animées */
.flowbg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; overflow: hidden; }
.flowbg path { fill: none; stroke-linecap: round; }
.flowbg .c { stroke: var(--inverse-text); }
.flowbg .v { stroke: var(--soft-line); }
.flowbg .v2 { stroke: var(--violet-700); }
.flowbg .x { stroke: var(--flux); }
.ball-c { fill: var(--inverse-text); }
.ball-x { fill: var(--flux); }
.ball-v { fill: var(--brand-text); }

/* Cercle vertueux */
.cycle { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.cycle > * { min-width: 0; }
.cycle-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; counter-reset: cyc; }
.cycle-steps li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; }
.cycle-steps li::before { counter-increment: cyc; content: counter(cyc); font-family: var(--font-display); font-weight: 800; font-size: 52px; line-height: 1; color: var(--flux-text); }
.cycle-steps h3 { font-size: 22px; line-height: 28px; margin-bottom: 6px; }
.cycle-steps p { font-size: 16px; line-height: 25px; color: var(--text-muted); }
.cycle-steps p b { color: var(--text); }
.outcomes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--line-strong); }
.outcomes > div { min-width: 0; }
.outcomes-title { grid-column: 1 / -1; font-family: var(--font-display); font-size: 24px; line-height: 30px; font-weight: 700; color: var(--brand-text); margin-bottom: -8px; }
.outcomes h3 { display: flex; align-items: center; gap: 10px; font-size: 22px; line-height: 28px; margin-bottom: 6px; }
.outcomes h3::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--flux); flex: none; }
.outcomes p { font-size: 16px; line-height: 25px; color: var(--text-muted); }
.loop { width: 100%; max-width: 480px; height: auto; display: block; margin: 0 auto; overflow: visible; }
.loop .track { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.loop .chev { fill: none; stroke: var(--line-strong); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.loop .node { fill: var(--surface-sunken); stroke: var(--brand-text); stroke-width: 2; }
.loop .node.last { stroke: var(--flux); stroke-width: 2.5; }
.loop .num { font-family: var(--font-display); font-weight: 800; font-size: 20px; fill: var(--brand-text); }
.loop .lbl { font-family: var(--font-display); font-weight: 700; font-size: 19px; fill: var(--brand-text); }
.loop .core { font-family: var(--font-display); font-weight: 800; font-size: 30px; fill: var(--brand-text); }
.loop .core-sub { font-family: var(--font-text); font-weight: 600; font-size: 15px; fill: var(--text-muted); }

/* Logo */
.logo { display: inline-block; font-family: var(--font-display); font-size: 28px; line-height: 1; color: var(--brand-text); white-space: nowrap; text-decoration: none; }
.logo-x { width: 0.906em; height: 0.906em; vertical-align: -0.157em; margin-left: -0.085em; margin-right: -0.075em; overflow: visible; }
.logo-tra { font-weight: 800; letter-spacing: -0.01em; }
.logo-flow { font-weight: 400; }
.mark-a { stroke: var(--brand-text); } .mark-b { stroke: var(--flux); }
.inverse .mark-a { stroke: var(--inverse-text); } .inverse .logo { color: var(--inverse-text); }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 24px; border-radius: var(--radius-pill); border: 2px solid transparent; font-family: var(--font-text); font-size: 15px; line-height: 20px; font-weight: 700; text-decoration: none; cursor: pointer; transition: background-color var(--fast) var(--ease-flow), box-shadow var(--base) var(--ease-flow); box-sizing: border-box; }
.btn .icon { transition: transform var(--base) var(--ease-flow); }
.btn:hover .icon:last-child { transform: translateX(3px); }
.btn-primary { background: var(--flux); color: var(--on-flux); }
.btn-primary:hover { background: var(--flux-hover); box-shadow: var(--shadow-md); }
.btn-lg { min-height: 56px; font-size: 17px; padding: 14px 28px; }
.btn-secondary { background: transparent; color: var(--brand-text); border-color: var(--brand-text); }
.btn-secondary:hover { background: var(--violet-100); }
.btn-sm { min-height: 40px; padding: 8px 16px; }
.inverse .btn-secondary { color: var(--inverse-text); border-color: var(--inverse-text); }
.inverse .btn-secondary:hover { background: rgba(245, 238, 230, 0.12); }
.inverse :focus-visible { outline-color: var(--flux); }
.text-link { color: var(--flux-text); font-weight: 700; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.inverse .text-link { color: var(--inverse-text); text-decoration-color: var(--flux); }

/* Navigation */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: var(--bg); border-bottom: 1px solid var(--line); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 31; background: var(--bg); }
.nav .btn { transition: background-color var(--base) var(--ease-flow), color var(--base) var(--ease-flow), border-color var(--base) var(--ease-flow); }
html { scroll-padding-top: 88px; }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 72px; }
.nav-links { display: flex; gap: 28px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.nav-links a { text-decoration: none; font-size: 15px; font-weight: 600; color: var(--text); padding-block: 6px; border-bottom: 2px solid transparent; transition: border-color var(--fast) var(--ease-flow); }
.nav-links a:hover { border-bottom-color: var(--flux); }

/* Héros */
.gradient { background: linear-gradient(115deg, var(--violet) 0%, var(--violet) 35%, var(--indigo) 70%, var(--bleu-flux) 100%); color: var(--inverse-text); }
.hero { position: relative; overflow: hidden; padding-block: 104px 112px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: end; }
.hero h1 { color: var(--inverse-text); font-size: 62px; line-height: 64px; font-weight: 800; }
.hero h1 .accent { display: block; font-weight: 400; color: var(--inverse-text); }
.hero-lead { margin: 28px 0 36px; font-size: 20px; line-height: 32px; color: var(--inverse-muted); max-width: 540px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
.hero-note { margin-top: 20px; font-size: 15px; line-height: 22px; color: var(--inverse-muted-blue); }
.hero-stat { display: flex; align-items: center; gap: 20px; margin-top: 44px; padding-left: 20px; border-left: 3px solid var(--flux); }
.hero-stat .num { font-family: var(--font-display); font-weight: 800; font-size: 64px; line-height: 1; color: var(--inverse-text); white-space: nowrap; }
.hero-stat .num span { font-size: 24px; font-weight: 600; margin-left: 4px; }
.hero-stat p { font-size: 16px; line-height: 24px; color: var(--inverse-muted); max-width: 300px; }
.hero-stat p b { color: var(--inverse-text); }

/* Repères */
.facts { padding-block: 40px; border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.facts-grid > div { padding: 4px 32px; border-left: 1px solid var(--line); min-width: 0; }
.facts-grid > div:first-child { padding-left: 0; border-left: 0; }
.facts .num { font-family: var(--font-display); font-size: 34px; line-height: 40px; font-weight: 800; color: var(--brand-text); }
.facts p { font-size: 15px; line-height: 22px; color: var(--text-muted); margin-top: 4px; }

/* Avant / après */
.ba { display: grid; grid-template-columns: 1fr 96px 1fr; align-items: start; }
.ba-col { min-width: 0; padding-top: 20px; }
.ba-before { border-top: 2px dashed var(--line-strong); }
.ba-after { border-top: 3px solid var(--flux); }
.ba-col h3 { font-size: 22px; line-height: 28px; margin-bottom: 8px; }
.ba-before h3 { color: var(--text-muted); }
.ba-list { list-style: none; margin: 0; padding: 0; }
.ba-list li { padding: 14px 0; font-size: 17px; line-height: 26px; border-bottom: 1px solid var(--line); }
.ba-before li { color: var(--text-muted); }
.ba-bridge { display: flex; justify-content: center; padding-top: 56px; }
.ba-bridge svg { width: 96px; height: 64px; overflow: visible; }
.ba-bridge path { fill: none; stroke-linecap: round; stroke-width: 3; }
.ba-bridge .l1 { stroke: var(--brand-text); } .ba-bridge .l2 { stroke: var(--flux); }

/* Bénéfices */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.benefit { min-width: 0; display: grid; gap: 10px; align-content: start; }
.benefit .icon { width: 30px; height: 30px; color: var(--flux-text); margin-bottom: 6px; }
.benefit h3 { font-size: 22px; line-height: 28px; }
.benefit p { font-size: 16px; line-height: 25px; color: var(--text-muted); }
.benefit .ex { margin-top: 6px; font-style: italic; color: var(--text); }

/* Offres */
.offers-section { overflow: hidden; }
.audit { display: grid; grid-template-columns: 1.1fr 1.1fr auto; gap: 40px; align-items: center; padding: 32px 0; border-top: 4px solid var(--flux); border-bottom: 1px solid var(--line-strong); }
.audit > * { min-width: 0; }
.audit .kicker { font-size: 15px; font-weight: 700; color: var(--flux-text); margin-bottom: 4px; }
.audit h3 { font-size: 32px; line-height: 38px; font-weight: 800; }
.audit .promise { margin-top: 6px; font-size: 18px; line-height: 26px; font-weight: 700; color: var(--text); }
.audit .for { margin-top: 4px; font-size: 15px; line-height: 22px; color: var(--text-muted); }
.dash { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.dash li { position: relative; padding-left: 22px; font-size: 16px; line-height: 24px; }
.dash li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 8px; height: 8px; border-radius: 50%; background: var(--flux); }
.audit-cta { display: grid; gap: 10px; justify-items: start; }
.price { font-family: var(--font-display); font-size: 26px; line-height: 32px; font-weight: 800; color: var(--brand-text); }
.price .from { display: block; font-family: var(--font-text); font-size: 13px; line-height: 18px; font-weight: 600; color: var(--text-muted); }
.price .todo { color: var(--flux-text); }
.audit-cta .price { font-size: 36px; line-height: 40px; }
.audit-cta .format { font-size: 14px; line-height: 20px; color: var(--text-muted); }
.then { margin: 64px 0 32px; font-family: var(--font-display); font-size: 24px; line-height: 30px; font-weight: 700; color: var(--brand-text); }
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; align-items: stretch; }
.offer { display: flex; flex-direction: column; gap: 14px; min-width: 0; padding-top: 24px; border-top: 2px solid var(--line-strong); }
.offer.featured { border-top: 4px solid var(--brand-text); }
.offer .reco { font-size: 14px; line-height: 20px; font-weight: 700; color: var(--brand-text); margin-top: -6px; }
.offer h3 { font-size: 26px; line-height: 32px; font-weight: 800; }
.offer .promise { font-size: 17px; line-height: 25px; font-weight: 700; color: var(--text); }
.offer .for { font-size: 15px; line-height: 22px; color: var(--text-muted); }
.offer .dash { margin-top: 6px; }
.offer .dash li { font-size: 15px; line-height: 22px; }
.offer-foot { margin-top: auto; display: grid; gap: 14px; padding-top: 20px; border-top: 1px solid var(--line); justify-items: start; }
.offer .format { font-size: 14px; line-height: 20px; color: var(--text-muted); }
.offers-note { margin-top: 32px; font-size: 14px; line-height: 20px; color: var(--text-muted); }

/* BRIEF */
.brief { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin-bottom: 64px; }
.brief div { min-width: 0; }
.brief .letter { font-family: var(--font-display); font-size: 104px; line-height: 0.9; font-weight: 800; color: var(--brand-text); }
.brief div:nth-child(5) .letter { color: var(--flux-text); }
.brief strong { display: block; margin-top: 10px; font-size: 18px; line-height: 24px; color: var(--text); }
.brief span { display: block; margin-top: 4px; font-size: 15px; line-height: 22px; color: var(--text-muted); }
.magnet { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: end; padding-top: 32px; border-top: 1px solid var(--line-strong); }
.magnet h3 { font-size: 26px; line-height: 32px; }
.magnet p.muted { margin-top: 6px; font-size: 16px; line-height: 24px; }
.magnet-row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 12px; align-items: end; }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: 14px; line-height: 20px; font-weight: 600; }
.input { box-sizing: border-box; width: 100%; min-height: 48px; padding: 12px 16px; border: 1.5px solid var(--line-strong); border-radius: var(--radius-md); background: var(--surface); color: var(--text); font: inherit; font-size: 16px; line-height: 24px; }
.input:focus { outline: 2px solid var(--focus); outline-offset: 2px; border-color: var(--text); }
.form-msg { grid-column: 1 / -1; font-size: 14px; line-height: 20px; font-weight: 600; min-height: 20px; }
.form-msg.ok { color: var(--success); } .form-msg.err { color: var(--flux-text); }
.legal { grid-column: 1 / -1; font-size: 13px; line-height: 18px; color: var(--text-muted); }

/* Étapes */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; counter-reset: step; }
.steps li { min-width: 0; padding-top: 20px; border-top: 1px solid var(--line-strong); }
.steps li::before { counter-increment: step; content: counter(step); display: block; font-family: var(--font-display); font-weight: 800; font-size: 56px; line-height: 1; color: var(--flux-text); margin-bottom: 12px; }
.steps h3 { font-size: 21px; line-height: 27px; margin-bottom: 8px; }
.steps p { font-size: 16px; line-height: 25px; color: var(--text-muted); }

/* Fondateur */
.about { display: grid; grid-template-columns: 340px 1fr; gap: 64px; align-items: center; }
.photo { aspect-ratio: 4 / 5; max-width: 100%; border-radius: var(--radius-xl); background: var(--violet-100); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--brand-text); }
.photo b { font-family: var(--font-display); font-size: 80px; line-height: 1; font-weight: 800; }
.photo span { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.about-text { display: grid; gap: 18px; min-width: 0; }
.about-text .h2 { font-size: 34px; line-height: 40px; }
.about-quote { font-family: var(--font-display); font-size: 24px; line-height: 34px; font-weight: 400; color: var(--brand-text); padding-left: 20px; border-left: 3px solid var(--flux); }
.about-facts { font-size: 15px; line-height: 24px; color: var(--text-muted); }
.about-facts b { color: var(--text); }

/* Questions */
.faq { max-width: 820px; border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; font-family: var(--font-display); font-size: 21px; line-height: 28px; font-weight: 700; color: var(--brand-text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--flux-text); transition: transform var(--base) var(--ease-flow); }
.faq details[open] summary .icon { transform: rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--text-muted); max-width: 680px; }

/* Appel final */
.final { position: relative; overflow: hidden; padding-block: 112px; }
.final h2 { color: var(--inverse-text); font-size: 48px; line-height: 52px; font-weight: 800; max-width: 640px; }
.final .lead { color: var(--inverse-muted); margin-top: 20px; }
.final-list { display: flex; flex-wrap: wrap; gap: 8px 32px; margin: 32px 0 36px; padding: 0; list-style: none; font-size: 16px; line-height: 24px; color: var(--inverse-text); }
.final-list li { display: flex; gap: 10px; align-items: center; }
.final-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--flux); flex: none; }
.final .hero-note { margin-top: 18px; }

/* Pied de page */
.footer { background: var(--inverse-bg); color: var(--inverse-text); padding-block: 48px 32px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: flex-start; }
.footer-sign { margin-top: 12px; font-family: var(--font-display); font-size: 18px; line-height: 26px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 15px; }
.footer-links a { color: var(--inverse-text); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; text-decoration-color: var(--flux); text-underline-offset: 4px; }
.footer-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(245, 238, 230, 0.18); font-size: 13px; color: var(--inverse-muted); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer-bottom a { color: var(--inverse-muted); }

.sticky-cta { display: none; }

@media (max-width: 960px) {
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .offers { grid-template-columns: 1fr; max-width: 560px; gap: 48px; }
  .audit { grid-template-columns: 1fr 1fr; }
  .audit-cta { grid-column: 1 / -1; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .brief { grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .brief .letter { font-size: 72px; }
  .magnet { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --gutter: 16px; }
  .section { padding-block: 72px; }
  .hero { padding-block: 64px 72px; }
  .final { padding-block: 72px; }
  .hero-grid, .about, .cycle { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 42px; line-height: 46px; }
  .hero-stat .num { font-size: 48px; }
  .hero .flowbg, .final .flowbg { opacity: 0.4; }
  .h2 { font-size: 30px; line-height: 36px; }
  .final h2 { font-size: 34px; line-height: 40px; }
  .facts-grid { grid-template-columns: 1fr; gap: 20px; }
  .facts-grid > div { padding: 0; border-left: 0; }
  .ba { grid-template-columns: 1fr; }
  .ba-bridge { padding: 24px 0; }
  .ba-bridge svg { transform: rotate(90deg); height: 56px; }
  .nav-links { display: none; }
  .nav .btn { margin-left: auto; }
  .about .photo { max-width: 260px; }
  .sticky-cta { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; background: var(--bg); border-top: 1px solid var(--line); padding: 12px max(16px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
  .sticky-cta .btn { width: 100%; }
}
@media (max-width: 600px) {
  .benefits, .steps, .audit, .outcomes { grid-template-columns: 1fr; }
  .outcomes { gap: 24px; margin-top: 48px; }
  .brief { grid-template-columns: 1fr; gap: 20px; }
  .brief div { display: grid; grid-template-columns: 64px 1fr; column-gap: 16px; align-items: center; }
  .brief .letter { font-size: 64px; grid-row: span 2; }
  .brief strong { margin-top: 0; }
  .magnet-row { grid-template-columns: 1fr; }
  .nav .btn span.long { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .pulse { display: none; }
  html { scroll-behavior: auto; }
}

/* v3 */
.cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; align-items: start; }
.case { min-width: 0; display: grid; gap: 12px; padding-top: 22px; border-top: 3px solid var(--flux); }
.case h3 { font-size: 21px; line-height: 27px; }
.case-line { font-size: 15px; line-height: 23px; color: var(--text-muted); }
.case-line b { display: block; font-size: 13px; line-height: 18px; font-weight: 700; color: var(--text); }
.case-result { font-family: var(--font-display); font-size: 20px; line-height: 26px; font-weight: 700; color: var(--flux-text); }
.case blockquote { margin: 0; font-family: var(--font-display); font-size: 18px; line-height: 27px; font-style: normal; color: var(--text); }
.case-you { border-top-color: var(--brand-text); }
.case-you p { font-size: 15px; line-height: 23px; color: var(--text-muted); }
@media (max-width: 960px) { .cases { grid-template-columns: repeat(2, 1fr); row-gap: 40px; } }
@media (max-width: 600px) { .cases { grid-template-columns: 1fr; } }

.quotes-note { margin-top: 32px; font-size: 14px; line-height: 20px; color: var(--text-muted); }
.founder-mini { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.founder-mini .avatar, .founder-mini img { width: 44px; height: 44px; border-radius: 50%; flex: none; object-fit: cover; }
.founder-mini .avatar { background: var(--inverse-text); color: var(--violet); font-family: var(--font-display); font-weight: 800; font-size: 16px; display: inline-flex; align-items: center; justify-content: center; }
.founder-mini p { font-size: 15px; line-height: 22px; color: var(--inverse-muted); }
.founder-mini b { color: var(--inverse-text); }
.todo { color: var(--flux-text); background: var(--flux-100); padding: 0 4px; border-radius: 4px; }
.inverse .todo { color: var(--inverse-text); background: rgba(240, 80, 42, 0.35); }
.trades-title { font-family: var(--font-display); font-size: 22px; line-height: 28px; font-weight: 700; color: var(--brand-text); margin-bottom: 24px; }
.trades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.trades > div { min-width: 0; padding-top: 20px; border-top: 2px solid var(--line-strong); }
.trades h3 { font-size: 20px; line-height: 26px; margin-bottom: 12px; }
.trades .dash li { font-size: 15px; line-height: 22px; }
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.quotes figure { margin: 0; padding-top: 24px; border-top: 3px solid var(--flux); min-width: 0; }
.quotes blockquote { margin: 0; font-family: var(--font-display); font-size: 21px; line-height: 31px; font-weight: 400; color: var(--text); }
.quotes figcaption { margin-top: 16px; font-size: 14px; line-height: 20px; color: var(--text-muted); }
.quotes figcaption b { color: var(--text); }
.time { font-size: 14px; line-height: 20px; font-weight: 700; color: var(--text); }
.brief-band { padding-block: 64px; border-top: 1px solid var(--line); }
.brief-compact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.brief-compact > * { min-width: 0; }
.brief-compact h2 { font-size: 28px; line-height: 34px; font-weight: 800; margin-bottom: 8px; }
.brief-compact .letters { display: block; margin-top: 8px; font-family: var(--font-display); font-weight: 700; color: var(--brand-text); }
.mini-form label { font-size: 14px; line-height: 20px; font-weight: 600; }
.mini-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-top: 6px; }
.mini-form .form-msg { margin-top: 8px; }
.mini-form .legal { margin-top: 4px; }
@media (max-width: 960px) { .trades { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .quotes, .brief-compact { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 600px) { .trades, .mini-row { grid-template-columns: 1fr; } }

/* Offres en cartes classiques */
.audit { background: var(--surface); border: 1.5px solid var(--flux); border-radius: 24px; padding: 32px; box-shadow: var(--shadow-md); }
.offers { gap: 24px; }
.offer { background: var(--surface); border: 1px solid var(--line); border-top: 1px solid var(--line); border-radius: 20px; padding: 28px 24px; box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow var(--base) var(--ease-flow), transform var(--base) var(--ease-flow); }
.offer:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.offer.featured { border: 2px solid var(--brand-text); box-shadow: var(--shadow-md); }
.offer .reco { margin: -28px -24px 8px; padding: 10px 24px; background: var(--violet); color: var(--inverse-text); font-size: 14px; font-weight: 700; text-align: center; }
.offer-foot { justify-items: stretch; }
.offer-btn { width: 100%; }
.offer.featured .offer-btn { background: var(--violet-100); }
.then { text-align: center; }

}
.cases-hint { display: none; margin-top: 4px; font-size: 14px; line-height: 20px; color: var(--text-muted); }

/* Cas réels en carrousel : la carte suivante dépasse sur le côté */
.cases-section { overflow: hidden; }
.cases-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.cases-top .head { margin-bottom: 0; }
.cases-nav { display: flex; gap: 12px; flex: none; }
.arrow { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--brand-text); background: var(--surface); color: var(--brand-text); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: background-color var(--fast) var(--ease-flow), opacity var(--fast) var(--ease-flow); }
.arrow:hover { background: var(--violet-100); }
.arrow:disabled { opacity: 0.35; cursor: default; background: var(--surface); }
.cases.cases { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; margin-right: calc(50% - 50vw); padding: 4px max(var(--gutter), calc(50vw - 50%)) 24px 0; scrollbar-width: none; }
.cases::-webkit-scrollbar { display: none; }
.cases:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
.case.case { flex: 0 0 340px; scroll-snap-align: start; background: var(--surface); border: 1px solid var(--line); border-top: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: var(--shadow-sm); box-sizing: border-box; }
.case .case-result { padding-block: 4px; }
.cases.cases { align-items: stretch; }
.case.case { display: flex; flex-direction: column; gap: 12px; }
.case.case blockquote { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.case-you.case-you .btn { margin-top: auto; width: 100%; }
.you-list li { font-size: 15px; line-height: 22px; color: var(--text-muted); }
.you-list b { display: block; color: var(--text); font-weight: 700; }
.case-you.case-you { background: transparent; border: 2px dashed var(--line-strong); box-shadow: none; }
@media (max-width: 860px) { .cases-nav { display: none; } .case.case { flex-basis: min(82%, 340px); } }

/* Halo flou et dégradé léger dans les sections sans animation */
.section { overflow: hidden; }
.section::before { content: ""; position: absolute; inset: -10%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(38% 46% at 10% 18%, var(--glow-a), transparent 70%),
    radial-gradient(34% 42% at 92% 78%, var(--glow-b), transparent 70%),
    radial-gradient(22% 28% at 70% 12%, var(--glow-c), transparent 70%);
  filter: blur(48px); }
.section.sunken::before {
  background:
    radial-gradient(36% 44% at 88% 16%, var(--glow-a), transparent 70%),
    radial-gradient(34% 44% at 8% 84%, var(--glow-b), transparent 70%),
    radial-gradient(20% 26% at 30% 50%, var(--glow-c), transparent 70%); }

/* ===== v4 : effets inspirés de la vidéo ===== */
.trail { fill: none; stroke-linecap: round; pointer-events: none; }
/* Logo de l'en-tête en blanc cassé en mode sombre, comme le pied de page */
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .nav .logo { color: var(--inverse-text); } :root:not([data-theme="light"]) .nav .mark-a { stroke: var(--inverse-text); } }
:root[data-theme="dark"] .nav .logo { color: var(--inverse-text); } :root[data-theme="dark"] .nav .mark-a { stroke: var(--inverse-text); }
.nav .logo { font-size: 33px; }
.footer .logo { font-size: 35px; }
@property --ang { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

/* 1. Apparition en cascade : flou + glissement, élément par élément */
.fx .rv { opacity: 0; transform: translateY(18px); filter: blur(8px); transition: opacity 700ms var(--ease-flow), transform 700ms var(--ease-flow), filter 700ms var(--ease-flow); transition-delay: calc(var(--i, 0) * 90ms); }
.fx .rv.in { opacity: 1; transform: none; filter: none; }

/* 2. Bordure lumineuse qui suit la souris + halo intérieur */
.glow { position: relative; isolation: isolate; --mx: 50%; --my: 50%; --gl: 0; }
.glow::before, .glow::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: var(--gl); transition: opacity 400ms var(--ease-flow); }
.glow::before { z-index: -1; background: radial-gradient(320px circle at var(--mx) var(--my), rgba(240, 80, 42, 0.07), rgba(75, 43, 174, 0.06) 40%, transparent 70%); }
.glow::after { z-index: 2; padding: 1.5px; background: radial-gradient(220px circle at var(--mx) var(--my), var(--flux), rgba(75, 43, 174, 0.6) 45%, transparent 75%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.glow:hover { --gl: 1; }

/* 3. Trait de lumière qui fait le tour des cartes mises en avant */
.sweep { position: relative; }
.sweep > .sweep-ring { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 3; padding: 2px;
  background: conic-gradient(from var(--ang), transparent 0 62%, rgba(240, 80, 42, 0) 66%, var(--flux) 76%, #FFD2C2 79%, rgba(240, 80, 42, 0) 84%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: spin 5.5s linear infinite; filter: drop-shadow(0 0 6px rgba(240, 80, 42, 0.55)); }
.offer.featured > .sweep-ring { animation-delay: -2.7s; background: conic-gradient(from var(--ang), transparent 0 62%, rgba(75, 43, 174, 0) 66%, var(--violet-700) 76%, #C9BCF5 79%, rgba(75, 43, 174, 0) 84%, transparent 100%); filter: drop-shadow(0 0 6px rgba(75, 43, 174, 0.5)); }
@keyframes spin { to { --ang: 360deg; } }

/* 4. Carrousel des cas : la carte qui dépasse est atténuée, puis s'allume en entrant */
.case.case { transition: opacity 500ms var(--ease-flow), filter 500ms var(--ease-flow), transform 500ms var(--ease-flow), box-shadow var(--base) var(--ease-flow); }
.fx .case.case > * { transition: opacity 520ms var(--ease-flow), transform 520ms var(--ease-flow), filter 520ms var(--ease-flow); transition-delay: calc(var(--k, 0) * 70ms + 80ms); }
.fx .case.case.peek { opacity: 0.5; filter: saturate(0.6) blur(1.5px); transform: scale(0.97); }
.fx .case.case.peek > * { opacity: 0.15; transform: translateY(10px); filter: blur(4px); transition-delay: 0ms; }
.fx .case.case.peek::after { opacity: 0; }
.case-num { display: flex; align-items: center; gap: 8px; font-size: 13px; line-height: 18px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.04em; }
.case-num::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--flux); box-shadow: 0 0 0 0 rgba(240, 80, 42, 0.5); animation: ping 2.4s var(--ease-flow) infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(240, 80, 42, 0.5); } 70%, 100% { box-shadow: 0 0 0 8px rgba(240, 80, 42, 0); } }
.cases-progress { display: flex; gap: 6px; margin-top: 8px; }
.cases-progress span { height: 3px; width: 18px; border-radius: 3px; background: var(--line-strong); opacity: 0.35; transition: width 400ms var(--ease-flow), opacity 400ms var(--ease-flow), background-color 400ms var(--ease-flow); }
.cases-progress span.on { width: 36px; opacity: 1; background: var(--flux); }

/* 5. Circuit lumineux : l'audit alimente les trois accompagnements */
.circuit { display: block; width: 100%; height: 72px; overflow: visible; }
.circuit .trace { fill: none; stroke: var(--line-strong); stroke-opacity: 0.45; stroke-width: 1.5; }
.circuit .pulse { fill: none; stroke: var(--flux); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 14 86; stroke-dashoffset: 100; filter: drop-shadow(0 0 4px rgba(240, 80, 42, 0.9)); animation: run 3.2s cubic-bezier(0.6, 0, 0.3, 1) infinite; }
.circuit .pulse.p2 { animation-delay: 0.35s; stroke: var(--violet-700); filter: drop-shadow(0 0 4px rgba(75, 43, 174, 0.9)); }
.circuit .pulse.p3 { animation-delay: 0.7s; }
.circuit .pin { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.5; animation: pin 3.2s var(--ease-flow) infinite; }
.circuit .pin.root { stroke: var(--flux); }
@keyframes run { 0% { stroke-dashoffset: 100; opacity: 0; } 8% { opacity: 1; } 70% { stroke-dashoffset: 0; opacity: 1; } 80%, 100% { stroke-dashoffset: -14; opacity: 0; } }
@keyframes pin { 0%, 62% { fill: var(--surface); } 72% { fill: var(--flux); } 100% { fill: var(--surface); } }
.circuit-stem { display: block; width: 2px; height: 48px; margin: 24px auto 0; border-radius: 2px; background: linear-gradient(var(--line-strong), var(--line-strong)) center / 1.5px 100% no-repeat; opacity: 0.8; position: relative; overflow: hidden; }
.circuit-stem::after { content: ""; position: absolute; left: 0; right: 0; height: 18px; top: -18px; background: linear-gradient(transparent, var(--flux)); border-radius: 2px; animation: drop 3.2s cubic-bezier(0.6, 0, 0.3, 1) infinite; }
@keyframes drop { 0% { top: -18px; } 45%, 100% { top: 48px; } }
.offers-section .then { margin: 12px 0 8px; }
@media (max-width: 960px) { .circuit { display: none; } .offers-section .then { margin-bottom: 32px; } }

/* 6. Anneaux concentriques qui pulsent autour du bouton final */
.ring-host { position: relative; display: inline-block; }
.ring-host .btn { position: relative; z-index: 2; }
.rings { position: absolute; left: 50%; top: 50%; width: 0; height: 0; z-index: 1; pointer-events: none; }
.rings i { position: absolute; left: 0; top: 0; border-radius: 50%; border: 1px solid rgba(245, 238, 230, 0.16); transform: translate(-50%, -50%); }
.rings i:nth-child(1) { width: 200px; height: 200px; } .rings i:nth-child(2) { width: 340px; height: 340px; border-color: rgba(245, 238, 230, 0.11); }
.rings i:nth-child(3) { width: 500px; height: 500px; border-color: rgba(245, 238, 230, 0.08); } .rings i:nth-child(4) { width: 680px; height: 680px; border-color: rgba(245, 238, 230, 0.05); }
.rings b { position: absolute; left: 0; top: 0; width: 120px; height: 120px; border-radius: 50%; border: 1.5px solid rgba(240, 80, 42, 0.7); transform: translate(-50%, -50%) scale(0.5); opacity: 0; animation: wave 4.5s cubic-bezier(0.2, 0.6, 0.3, 1) infinite; }
.rings b:nth-of-type(2) { animation-delay: 1.5s; } .rings b:nth-of-type(3) { animation-delay: 3s; }
@keyframes wave { 0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0.9; } 100% { transform: translate(-50%, -50%) scale(5.5); opacity: 0; } }
.final .wrap { position: relative; }

/* 7. Courbe de gain qui se dessine dans le héros */
.spark { display: block; width: 120px; height: 44px; overflow: visible; flex: none; }
.spark path { fill: none; stroke: var(--flux); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 100; stroke-dashoffset: 100; }
.spark .area { fill: url(#sparkfill); stroke: none; opacity: 0; transition: opacity 900ms 1.4s var(--ease-flow); }
.spark circle { fill: var(--flux); opacity: 0; transition: opacity 300ms 1.9s; }
.spark.in path.line { animation: draw 1.8s 0.4s var(--ease-flow) forwards; }
.spark.in .area, .spark.in circle { opacity: 1; }
.spark.in circle { animation: ping 2.4s 2.2s var(--ease-flow) infinite; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@media (max-width: 600px) { .spark { display: none; } }

@media (prefers-reduced-motion: reduce) {
  .sweep > .sweep-ring, .circuit .pulse, .circuit-stem::after, .rings b { display: none; }
  .spark path.line { stroke-dashoffset: 0; } .spark .area, .spark circle { opacity: 1; }
}
