* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; background: var(--color-page); color: var(--color-ink); font-family: var(--font-ui); font-size: 1rem; line-height: 1.65; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .12em; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; border-radius: .35rem; }
h1, h2, h3, p, ul, ol, figure { margin-top: 0; }
h1, h2, h3 { color: var(--color-ink); font-family: var(--font-display); font-weight: 600; line-height: 1.03; text-wrap: balance; }
h1 { margin-bottom: var(--space-6); font-size: clamp(2.8rem, 6.2vw, 5.8rem); letter-spacing: -.035em; }
h2 { margin-bottom: var(--space-6); font-size: clamp(2.25rem, 4.4vw, 4rem); letter-spacing: -.025em; }
h3 { margin-bottom: var(--space-3); font-size: clamp(1.55rem, 2.2vw, 2rem); }
.container { width: min(calc(100% - 2rem), var(--content-wide)); margin-inline: auto; }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.section-dense { background: color-mix(in srgb, var(--color-soft) 13%, var(--color-page)); }
.section-open { padding-block: clamp(6rem, 12vw, 10rem); }
.section-tinted { background: var(--color-surface); border-block: 1px solid var(--color-border); }
.section-strong { background: var(--color-ink); color: var(--color-on-strong); }
.section-strong h2, .section-strong .eyebrow { color: var(--color-on-strong); }
.section-heading { max-width: 47rem; margin-bottom: var(--space-12); }
.section-heading-wide { max-width: 56rem; }
.section-heading > :last-child { margin-bottom: 0; }
.eyebrow { margin-bottom: var(--space-4); color: var(--color-ink-soft); font-size: .78rem; font-weight: 700; letter-spacing: .13em; line-height: 1.3; text-transform: uppercase; }
.large-copy { max-width: var(--content-text); font-size: clamp(1.15rem, 1.7vw, 1.4rem); line-height: 1.55; }
.skip-link { position: fixed; z-index: 100; top: var(--space-3); left: var(--space-3); transform: translateY(-180%); padding: .75rem 1rem; border-radius: var(--radius-control); background: var(--color-ink); color: var(--color-on-strong); font-weight: 700; transition: transform var(--motion-fast) ease; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: relative; z-index: 20; min-height: var(--header-height); border-bottom: 1px solid color-mix(in srgb, var(--color-warm) 55%, transparent); background: color-mix(in srgb, var(--color-page) 95%, transparent); }
.header-inner { min-height: var(--header-height); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: var(--space-8); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); min-height: 44px; text-decoration: none; }
.brand-mark { display: grid; width: 2.4rem; height: 2.4rem; place-items: center; border: 1px solid var(--color-accent); border-radius: 50% 50% 48% 52% / 58% 58% 42% 42%; font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; letter-spacing: .04em; }
.brand-note { margin-top: .2rem; color: var(--color-ink-soft); font-size: .62rem; letter-spacing: .09em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: clamp(.8rem, 1.6vw, 1.5rem); }
.desktop-nav a, .client-link { display: inline-flex; align-items: center; min-height: 44px; font-size: .88rem; font-weight: 600; text-decoration: none; }
.desktop-nav a:hover, .client-link:hover { text-decoration: underline; }
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.mobile-header-actions { display: none; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .75rem 1.45rem; border: 1px solid transparent; border-radius: var(--radius-control); font-family: var(--font-ui); font-size: .95rem; font-weight: 700; line-height: 1.2; text-align: center; text-decoration: none; transition: background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, transform var(--motion-fast) ease; }
.button:hover { text-decoration: none; }
.button-primary { border-color: var(--color-ink); background: var(--color-ink); color: var(--color-on-strong); }
.button-primary:hover { background: var(--color-action-hover); }
.button-primary:active { background: var(--color-action-pressed); transform: translateY(1px); }
.button-secondary { border-color: var(--color-accent); background: transparent; color: var(--color-ink); }
.button-secondary:hover { background: color-mix(in srgb, var(--color-soft) 14%, transparent); border-color: var(--color-ink-soft); }
.button-secondary:active { background: color-mix(in srgb, var(--color-soft) 24%, transparent); }
.button-compact { min-height: 44px; padding-inline: 1rem; font-size: .84rem; }
.button-on-dark { border-color: var(--color-page); background: var(--color-page); color: var(--color-ink); }
.button-on-dark:hover { background: var(--color-surface); }
.button-on-dark-secondary { border-color: var(--color-soft); color: var(--color-page); }
.button-on-dark-secondary:hover { background: color-mix(in srgb, var(--color-page) 10%, transparent); border-color: var(--color-page); }
.action-row { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-block: var(--space-8) var(--space-6); }
.action-row-center { justify-content: center; }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: .45rem; color: var(--color-ink); font-weight: 700; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--color-accent) 70%, transparent); }
.section-action { margin: var(--space-8) 0 0; text-align: center; }
.hero { padding-top: clamp(4rem, 8vw, 7rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(18rem, 2fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.hero-copy { max-width: 48rem; }
.hero-lead { max-width: 43rem; font-size: clamp(1.08rem, 1.5vw, 1.25rem); }
.qualification-note { display: grid; gap: var(--space-1); max-width: 42rem; padding-left: var(--space-4); border-left: 2px solid var(--color-warm); color: var(--color-ink-soft); font-size: .92rem; }
.qualification-note strong { color: var(--color-ink); }
.provisional-note { margin-top: var(--space-4); color: var(--color-ink-soft); font-size: .82rem; font-style: italic; }
.method-diagram { position: relative; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--color-border); border-radius: var(--radius-block); background: var(--color-surface); }
.method-diagram::before, .method-diagram::after { content: ""; position: absolute; width: 4.5rem; height: 4.5rem; border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent); border-radius: 50%; pointer-events: none; }
.method-diagram::before { top: -1.2rem; right: -1rem; }
.method-diagram::after { bottom: -1.4rem; left: -1rem; }
.diagram-manifest { margin-bottom: var(--space-8); font-family: var(--font-display); font-size: clamp(1.55rem, 2.6vw, 2.15rem); line-height: 1.15; }
.diagram-path { position: relative; z-index: 1; }
.diagram-inputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); margin-bottom: var(--space-4); }
.diagram-inputs span { padding: .55rem .65rem; border: 1px solid var(--color-border); border-radius: .7rem; color: var(--color-ink-soft); font-size: .75rem; text-align: center; }
.diagram-node { padding: .8rem 1rem; border: 1px solid var(--color-accent); border-radius: var(--radius-control); background: var(--color-page); font-weight: 700; text-align: center; }
.diagram-node-strong { background: var(--color-ink); color: var(--color-on-strong); }
.diagram-connector { width: 1px; height: 1.25rem; margin-inline: auto; background: var(--color-accent); }
.situations-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: var(--space-4); }
.situation-card { display: flex; min-height: 16rem; flex-direction: column; padding: clamp(1.25rem, 2.5vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); }
.situation-card-primary { grid-row: span 2; min-height: 100%; background: color-mix(in srgb, var(--color-soft) 20%, var(--color-surface)); }
.situation-card .text-link { margin-top: auto; }
.item-number, .timeline-number, .commitment-list span, .solution-item span { color: var(--color-accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.plain-list { padding-left: 1.15rem; }
.philosophy-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(17rem, .75fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.decision-flow { padding-left: clamp(1rem, 4vw, 3rem); border-left: 1px solid var(--color-warm); }
.decision-step { font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 600; }
.decision-step-final { color: var(--color-action-hover); }
.decision-arrow { margin-block: var(--space-2); color: var(--color-accent); font-size: 1.5rem; }
.decision-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .4rem 1rem; margin-block: var(--space-4); padding: 0; list-style: none; color: var(--color-ink-soft); }
.solution-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--color-border); }
.solution-item { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-4); padding: 1.6rem 0; border-bottom: 1px solid var(--color-border); }
.solution-item:nth-child(odd) { padding-right: var(--space-8); }
.solution-item:nth-child(even) { padding-left: var(--space-8); border-left: 1px solid var(--color-border); }
.solution-item strong { font-family: var(--font-display); font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 600; line-height: 1.25; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-4); margin: var(--space-12) 0 0; padding: 0; list-style: none; }
.timeline::before { content: ""; position: absolute; top: 2.15rem; right: 5%; left: 5%; height: 1px; background: var(--color-accent); }
.timeline > li { position: relative; z-index: 1; padding-top: 4rem; }
.timeline > li::before { content: ""; position: absolute; top: 1.7rem; left: .15rem; width: .9rem; height: .9rem; border: 3px solid var(--color-surface); border-radius: 50%; background: var(--color-ink); box-shadow: 0 0 0 1px var(--color-accent); }
.timeline h3 { font-size: 1.45rem; }
.timeline p { color: var(--color-ink-soft); font-size: .9rem; }
.timeline-exit { margin-top: var(--space-4); padding: var(--space-3); border-left: 3px solid var(--color-warm); background: var(--color-page); color: var(--color-ink-soft); font-size: .82rem; }
.timeline-exit strong, .timeline-exit span { display: block; }
.timeline-exit strong { color: var(--color-ink); text-transform: uppercase; }
.work-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(17rem, .8fr); gap: var(--space-4); }
.case-secondary-stack { display: grid; gap: var(--space-4); }
.case-card { padding: clamp(1.4rem, 3vw, 2.2rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); }
.case-card-primary { min-height: 32rem; }
.provisional-badge { display: inline-flex; margin-bottom: var(--space-6); padding: .35rem .55rem; border: 1px solid var(--color-warm); border-radius: 999px; color: var(--color-ink-soft); font-size: .72rem; font-weight: 700; }
.case-type { color: var(--color-ink-soft); font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.case-path { display: grid; gap: var(--space-3); margin-block: var(--space-8); padding-left: 1.4rem; }
.commitments-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(3rem, 8vw, 8rem); }
.commitment-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--color-border); list-style: none; }
.commitment-list li { display: grid; grid-template-columns: 2.6rem 1fr; gap: var(--space-3); padding: 1.4rem 0; border-bottom: 1px solid var(--color-border); }
.commitment-list li:nth-child(odd) { padding-right: var(--space-6); }
.commitment-list li:nth-child(even) { padding-left: var(--space-6); border-left: 1px solid var(--color-border); }
.commitment-list strong { font-size: 1.02rem; line-height: 1.45; }
.commitments-action { grid-column: 2; text-align: left; }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(16rem, .55fr); gap: clamp(3rem, 8vw, 7rem); align-items: center; }
.about-copy { max-width: 48rem; }
.photo-placeholder { margin: 0; }
.photo-frame { aspect-ratio: 4 / 5; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-block); background: linear-gradient(145deg, color-mix(in srgb, var(--color-soft) 24%, var(--color-surface)), var(--color-surface)); color: var(--color-ink-soft); font-family: var(--font-display); font-size: 1.8rem; }
.photo-placeholder figcaption { margin-top: var(--space-3); color: var(--color-ink-soft); font-size: .8rem; }
.final-cta-inner { max-width: 52rem; text-align: center; }
.final-cta-inner > p:not(.eyebrow) { font-size: 1.1rem; }
.final-note { margin-bottom: 0; color: color-mix(in srgb, var(--color-page) 80%, transparent); font-size: .88rem !important; }
.site-footer { padding-block: var(--space-16); background: #0e332d; color: var(--color-page); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: var(--space-8); }
.brand-footer { color: var(--color-page); }
.footer-identity p { max-width: 18rem; color: color-mix(in srgb, var(--color-page) 78%, transparent); }
.site-footer nav { display: grid; align-content: start; gap: var(--space-2); }
.site-footer nav h2 { margin-bottom: var(--space-3); color: var(--color-page); font-family: var(--font-ui); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.site-footer nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--color-page); font-size: .9rem; text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }
.site-footer .provisional-note { color: color-mix(in srgb, var(--color-page) 68%, transparent); }
.mobile-menu summary { display: grid; min-width: 44px; min-height: 44px; place-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-control); cursor: pointer; font-size: 0; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::before { content: "≡"; font-size: 1.35rem; line-height: 1; }
.mobile-menu[open] summary::before { content: "×"; }
.mobile-menu > nav { position: absolute; top: calc(100% + .5rem); right: 1rem; left: 1rem; display: grid; visibility: hidden; opacity: 0; pointer-events: none; transform: translateY(-.25rem); will-change: opacity, transform; gap: var(--space-1); padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); }
.mobile-menu nav a { display: flex; min-height: 44px; align-items: center; padding-inline: var(--space-3); border-radius: .7rem; text-decoration: none; }
.mobile-menu nav a:hover { background: color-mix(in srgb, var(--color-soft) 16%, transparent); }
.mobile-menu[open] > nav { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); }
@media (max-width: 68rem) {
  .header-inner { grid-template-columns: auto 1fr; }
  .desktop-nav, .header-actions { display: none; }
  .mobile-header-actions { position: relative; display: flex; align-items: center; justify-content: flex-end; gap: var(--space-2); }
  .hero-grid, .philosophy-grid, .commitments-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: var(--space-12); }
  .method-diagram { max-width: 42rem; }
  .situations-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .situation-card-primary { grid-column: 1 / -1; grid-row: auto; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline::before { top: 1rem; bottom: 1rem; left: .55rem; width: 1px; height: auto; }
  .timeline > li { display: grid; grid-template-columns: 2.5rem 1fr; gap: var(--space-3); padding: 0 0 var(--space-8); }
  .timeline > li::before { top: .2rem; left: .1rem; }
  .timeline-number { grid-column: 1; padding-top: .15rem; }
  .timeline > li > div { grid-column: 2; }
  .timeline-exit { grid-column: 2; margin-top: 0; }
  .work-grid { grid-template-columns: 1fr; }
  .case-card-primary { min-height: auto; }
  .commitments-action { grid-column: auto; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 42rem) {
  .container { width: min(calc(100% - 1.5rem), var(--content-wide)); }
  .section { padding-block: 4.5rem; }
  .section-open { padding-block: 5.5rem; }
  .brand-note { display: none; }
  .brand-mark { width: 2.15rem; height: 2.15rem; }
  .brand-name { font-size: 1.2rem; }
  .mobile-header-actions .button { padding-inline: .8rem; }
  h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
  h2 { font-size: clamp(2.15rem, 10vw, 3.15rem); }
  .action-row { align-items: stretch; flex-direction: column; }
  .action-row .button { width: 100%; }
  .method-diagram { padding: var(--space-6); }
  .method-diagram::before, .method-diagram::after { display: none; }
  .diagram-inputs { grid-template-columns: 1fr; }
  .situations-grid, .solution-list, .commitment-list, .footer-grid { grid-template-columns: 1fr; }
  .situation-card { min-height: auto; }
  .solution-item:nth-child(odd), .solution-item:nth-child(even), .commitment-list li:nth-child(odd), .commitment-list li:nth-child(even) { padding-right: 0; padding-left: 0; border-left: 0; }
  .decision-options { grid-template-columns: 1fr; }
  .work-grid, .case-secondary-stack { gap: var(--space-3); }
  .about-copy { order: 1; }
  .photo-placeholder { order: 2; }
}
@media (max-width: 22rem) {
  .header-inner { gap: var(--space-2); }
  .brand-mark { display: none; }
  .mobile-header-actions .button { font-size: .76rem; }
  .mobile-menu nav { right: .75rem; left: .75rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
}

/* Votre situation V0 */
.orientation-hero { padding-top: clamp(3.5rem, 7vw, 6rem); }
.orientation-hero-inner { max-width: 58rem; }
.orientation-lead { max-width: 50rem; font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.55; }
.symptoms-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.symptom-item { display: flex; min-height: 7rem; align-items: center; padding: clamp(1.2rem, 2.5vw, 1.8rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); font-family: var(--font-display); font-size: clamp(1.2rem, 1.9vw, 1.55rem); line-height: 1.3; }
.symptom-item:last-child { grid-column: 1 / -1; justify-self: center; width: min(100%, 34rem); }
.orientation-chapters { border-top: 1px solid var(--color-border); }
.orientation-chapter { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: clamp(2.5rem, 5vw, 4.5rem); border-bottom: 1px solid var(--color-border); }
.chapter-number { padding-top: .45rem; color: var(--color-accent); font-size: .82rem; font-weight: 800; letter-spacing: .1em; }
.chapter-content { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(13rem, .7fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.chapter-content h3 { max-width: 44rem; font-size: clamp(2rem, 3.5vw, 3.15rem); }
.chapter-content p { max-width: 44rem; }
.chapter-examples { margin: 0; padding: var(--space-4) 0 var(--space-4) 1.2rem; border-top: 1px solid var(--color-warm); border-bottom: 1px solid var(--color-warm); color: var(--color-ink-soft); }
.overlap-panel { max-width: 58rem; }
.overlap-examples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin-block: var(--space-8); }
.overlap-examples p { margin: 0; padding-top: var(--space-4); border-top: 1px solid var(--color-warm); }
.orientation-flow { max-width: 58rem; margin-inline: auto; text-align: center; }
.flow-start, .flow-question, .flow-merge, .flow-decision { padding: 1rem 1.25rem; border: 1px solid var(--color-accent); border-radius: var(--radius-control); background: var(--color-page); font-weight: 700; }
.flow-start, .flow-decision { width: min(100%, 24rem); margin-inline: auto; font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.4rem); }
.flow-decision { background: var(--color-ink); color: var(--color-on-strong); }
.flow-question { width: min(100%, 38rem); margin-inline: auto; font-size: 1.05rem; }
.flow-arrow { margin-block: var(--space-3); color: var(--color-accent); font-size: 1.5rem; }
.flow-branches { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.flow-branch { padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); text-align: left; }
.flow-branch h3 { font-size: clamp(1.45rem, 2.3vw, 1.9rem); }
.flow-branch p { margin-bottom: 0; color: var(--color-ink-soft); }
.flow-label { display: inline-block; margin-bottom: var(--space-3); color: var(--color-accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.flow-merge { margin-top: 0; }
.flow-merge h3 { margin-bottom: var(--space-4); font-size: clamp(1.5rem, 2.5vw, 2rem); }
.flow-options { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem .8rem; margin: 0; padding: 0; list-style: none; color: var(--color-ink-soft); }
.flow-options li { padding: .35rem .65rem; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-surface); font-size: .86rem; }
.orientation-warning { max-width: 58rem; margin: var(--space-8) auto 0; padding-left: var(--space-4); border-left: 3px solid var(--color-warm); }
@media (max-width: 68rem) {
  .chapter-content { grid-template-columns: 1fr; gap: var(--space-6); }
  .chapter-examples { max-width: 34rem; }
  .overlap-examples { grid-template-columns: 1fr; gap: var(--space-3); }
}
@media (max-width: 42rem) {
  .symptoms-grid { grid-template-columns: 1fr; }
  .symptom-item, .symptom-item:last-child { grid-column: auto; width: 100%; min-height: auto; justify-self: stretch; }
  .orientation-chapter { grid-template-columns: 1fr; gap: var(--space-3); }
  .chapter-number { padding-top: 0; }
  .chapter-content { grid-template-columns: 1fr; }
  .flow-branches { grid-template-columns: 1fr; }
  .flow-branch { text-align: left; }
  .flow-options { justify-content: flex-start; }
}
/* Seedloom Dynamic Shell Presence V0 */
.site-header { position: sticky; top: 0; will-change: transform; transition: transform var(--motion-fast) ease; }
.site-header[data-shell-hidden="true"] { transform: translateY(calc(-100% - 1px)); }
.site-header[data-shell-locked="true"] { transform: translateY(0); }
.shell-header-context { position: relative; min-height: 0; }
.shell-back-link { display: inline-flex; min-height: 44px; align-items: center; gap: .5rem; margin-bottom: var(--space-2); color: var(--color-ink); font-size: .86rem; font-weight: 700; text-decoration: none; }
.shell-back-link:hover { text-decoration: underline; }
.shell-back-link[hidden] { display: none; }
main[data-shell-view][tabindex="-1"]:focus, main[data-shell-view] [tabindex="-1"]:focus { outline: 3px solid var(--color-focus); outline-offset: 6px; border-radius: .35rem; }
.shell-announcer { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }
html[data-shell-navigating="true"] main[data-shell-view] { cursor: progress; }
@media (prefers-reduced-motion: reduce) {
  .site-header { transition: none !important; }
}

/* Situation 01 V0 — Reprendre ou faire évoluer un existant */
.existing-hero { padding-top: clamp(3.5rem, 7vw, 6rem); }
.existing-hero-inner { max-width: 58rem; }
.existing-lead { max-width: 50rem; font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.55; }
.existing-recognition-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.existing-recognition-grid li { display: flex; min-height: 7rem; align-items: center; padding: clamp(1.2rem, 2.5vw, 1.8rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); font-family: var(--font-display); font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.35; }
.existing-recognition-grid li:last-child { grid-column: 1 / -1; width: min(100%, 38rem); justify-self: center; }
.third-party-panel, .proportion-panel, .reassurance-panel { max-width: 58rem; }
.third-party-panel { padding-left: clamp(1.5rem, 4vw, 3rem); border-left: 3px solid var(--color-warm); }
.existing-axes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--color-border); }
.existing-axis { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-3) var(--space-4); padding: clamp(1.5rem, 3vw, 2.3rem) 0; border-bottom: 1px solid var(--color-border); }
.existing-axis:nth-child(odd) { padding-right: var(--space-8); }
.existing-axis:nth-child(even) { padding-left: var(--space-8); border-left: 1px solid var(--color-border); }
.existing-axis > span, .existing-outcome > span, .intervention-level > span { color: var(--color-accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.existing-axis h3 { grid-column: 2; margin-bottom: 0; }
.existing-axis p { grid-column: 2; margin-bottom: 0; color: var(--color-ink-soft); }
.existing-statement { max-width: 58rem; }
.existing-two-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.existing-safety-list { display: grid; gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--color-border); list-style: none; }
.existing-safety-list li { padding: .9rem 0; border-bottom: 1px solid var(--color-border); }
.technical-panel { max-width: 58rem; }
.technical-details { border-block: 1px solid var(--color-border); background: var(--color-surface); }
.technical-details summary { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4); cursor: pointer; font-weight: 800; list-style: none; }
.technical-details summary::-webkit-details-marker { display: none; }
.technical-details summary::after { content: "+"; color: var(--color-accent); font-family: var(--font-display); font-size: 1.8rem; line-height: 1; }
.technical-details[open] summary::after { content: "−"; }
.technical-details-content { padding: 0 var(--space-4) var(--space-6); }
.technical-details-content ul { columns: 2; column-gap: var(--space-8); padding-left: 1.2rem; }
.technical-details-content li { break-inside: avoid; margin-bottom: var(--space-2); }
.existing-outcomes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.existing-outcome { min-height: 14rem; padding: clamp(1.3rem, 2.5vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); }
.existing-outcome h3 { margin-top: var(--space-4); }
.existing-outcome p { margin-bottom: 0; color: var(--color-ink-soft); }
.intervention-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.intervention-level { padding: clamp(1.4rem, 3vw, 2.2rem); }
.intervention-level + .intervention-level { border-left: 1px solid var(--color-border); }
.intervention-level h3 { margin-top: var(--space-4); font-size: clamp(1.45rem, 2.2vw, 1.9rem); }
.intervention-level p { margin-bottom: 0; color: var(--color-ink-soft); }
.level-note { max-width: 48rem; margin: var(--space-6) 0 0; color: var(--color-ink-soft); }
.blocking-panel { max-width: 58rem; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--color-warm); border-radius: var(--radius-block); background: color-mix(in srgb, var(--color-warm) 12%, var(--color-surface)); }
.blocking-panel > :last-child { margin-bottom: 0; }
.start-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); gap: var(--space-8) clamp(3rem, 8vw, 8rem); }
.start-list { margin: 0; padding-left: 1.2rem; }
.start-list li { margin-bottom: var(--space-3); }
.start-conclusion { grid-column: 1 / -1; max-width: 52rem; margin-bottom: 0; padding-top: var(--space-6); border-top: 1px solid var(--color-warm); }

@media (max-width: 68rem) {
  .existing-two-columns, .start-panel { grid-template-columns: 1fr; gap: var(--space-6); }
  .start-conclusion { grid-column: auto; }
  .existing-outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intervention-levels { grid-template-columns: 1fr; }
  .intervention-level + .intervention-level { border-top: 1px solid var(--color-border); border-left: 0; }
}

@media (max-width: 42rem) {
  .existing-recognition-grid, .existing-axes, .existing-outcomes { grid-template-columns: 1fr; }
  .existing-recognition-grid li, .existing-recognition-grid li:last-child { grid-column: auto; width: 100%; min-height: auto; justify-self: stretch; }
  .existing-axis:nth-child(odd), .existing-axis:nth-child(even) { padding-right: 0; padding-left: 0; border-left: 0; }
  .technical-details-content ul { columns: 1; }
  .existing-outcome { min-height: auto; }
}
/* Situation 02 V0 — Transformer une idée en projet concret */
.idea-hero { padding-top: clamp(3.5rem, 7vw, 6rem); }
.idea-hero-inner { max-width: 58rem; }
.idea-lead { max-width: 50rem; font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.55; }
.idea-principle { max-width: 50rem; margin-block: var(--space-6); padding-left: var(--space-4); border-left: 3px solid var(--color-warm); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.idea-recognition-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.idea-recognition-grid li { display: flex; min-height: 6.5rem; align-items: center; padding: clamp(1.2rem, 2.5vw, 1.8rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); font-family: var(--font-display); font-size: clamp(1.1rem, 1.7vw, 1.4rem); line-height: 1.35; }
.idea-recognition-grid li:last-child { grid-column: 1 / -1; width: min(100%, 38rem); justify-self: center; }
.idea-statement, .idea-need-panel, .idea-hypotheses-panel, .idea-scope-panel, .idea-documentation, .idea-before-contact { max-width: 58rem; }
.idea-statement { padding-left: clamp(1.5rem, 4vw, 3rem); border-left: 3px solid var(--color-warm); }
.idea-example { margin-block: var(--space-8); padding: clamp(1.4rem, 3vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-block); background: var(--color-page); }
.idea-example-source { margin-bottom: var(--space-5); font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 600; }
.idea-example ul { margin: 0; padding-left: 1.2rem; }
.idea-example li { margin-bottom: var(--space-2); }
.idea-axes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--color-border); }
.idea-axis { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-3) var(--space-4); padding: clamp(1.5rem, 3vw, 2.3rem) 0; border-bottom: 1px solid var(--color-border); }
.idea-axis:nth-child(odd) { padding-right: var(--space-8); }
.idea-axis:nth-child(even) { padding-left: var(--space-8); border-left: 1px solid var(--color-border); }
.idea-axis > span, .idea-scenario > span, .idea-level > span { color: var(--color-accent); font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.idea-axis h3 { grid-column: 2; margin-bottom: 0; }
.idea-axis p { grid-column: 2; margin-bottom: 0; color: var(--color-ink-soft); }
.idea-hypotheses { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin-block: var(--space-8); }
.idea-hypotheses p { margin: 0; padding: var(--space-4); border: 1px solid var(--color-warm); border-radius: var(--radius-card); background: var(--color-surface); font-family: var(--font-display); font-size: clamp(1.1rem, 1.8vw, 1.35rem); }
.idea-progressive { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.idea-progressive-copy { padding-top: var(--space-2); }
.idea-progressive-copy p:last-child { margin-bottom: 0; }
.idea-scenarios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.idea-scenario { min-height: 15rem; padding: clamp(1.3rem, 2.5vw, 2rem); border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); }
.idea-scenario h3 { margin-top: var(--space-4); }
.idea-scenario p { margin-bottom: 0; color: var(--color-ink-soft); }
.idea-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.idea-level { padding: clamp(1.4rem, 3vw, 2.2rem); }
.idea-level + .idea-level { border-left: 1px solid var(--color-border); }
.idea-level h3 { margin-top: var(--space-4); font-size: clamp(1.45rem, 2.2vw, 1.9rem); }
.idea-level p { margin-bottom: 0; color: var(--color-ink-soft); }
.idea-level-note { max-width: 48rem; margin: var(--space-6) 0 0; color: var(--color-ink-soft); }
.idea-decisions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.idea-decisions ul { margin: 0; padding: 0; border-top: 1px solid var(--color-border); list-style: none; }
.idea-decisions li { padding: .9rem 0; border-bottom: 1px solid var(--color-border); }
.idea-start-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .8fr); gap: var(--space-8) clamp(3rem, 8vw, 8rem); }
.idea-start-list { margin: 0; padding-left: 1.2rem; }
.idea-start-list li { margin-bottom: var(--space-3); }
.idea-start-conclusion { grid-column: 1 / -1; max-width: 52rem; margin-bottom: 0; padding-top: var(--space-6); border-top: 1px solid var(--color-warm); }

@media (max-width: 68rem) {
  .idea-progressive, .idea-decisions, .idea-start-panel { grid-template-columns: 1fr; gap: var(--space-6); }
  .idea-start-conclusion { grid-column: auto; }
  .idea-scenarios { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idea-levels { grid-template-columns: 1fr; }
  .idea-level + .idea-level { border-top: 1px solid var(--color-border); border-left: 0; }
}

@media (max-width: 42rem) {
  .idea-recognition-grid, .idea-axes, .idea-hypotheses, .idea-scenarios { grid-template-columns: 1fr; }
  .idea-recognition-grid li, .idea-recognition-grid li:last-child { grid-column: auto; width: 100%; min-height: auto; justify-self: stretch; }
  .idea-axis:nth-child(odd), .idea-axis:nth-child(even) { padding-right: 0; padding-left: 0; border-left: 0; }
  .idea-scenario { min-height: auto; }
}