/* Portfolio & restitutions — même univers que la home et le rapport (instudy-brand.css V3) :
   cadre encre, panneaux marbre arrondis, Hanken Grotesk + Newsreader italique, ardoise, méta en mono.
   Généré avec scripts/build-portfolio.mjs. */
body.pf { background: var(--ink); }
html { scroll-behavior: smooth; scroll-padding-top: 16px; }
.panel { margin: 10px 16px; border-radius: 18px; background: var(--marble); padding: 72px 56px; }
.panel.stone { background: var(--stone); }
.section-title { font-size: clamp(36px, 4.4vw, 64px); margin: 18px 0 40px; max-width: 20ch; }
@media (max-width: 800px) { .panel { padding: 40px 20px; } }

/* HERO (comme la home) */
.hero { position: relative; margin: 16px 16px 0; border-radius: 18px; min-height: calc(88vh - 16px); display: flex; flex-direction: column; overflow: hidden;
  background: radial-gradient(90% 70% at 50% 30%, #f7f6f2 0%, #ebeae5 45%, #dcdfe3 100%), #ebeae5; }
.hero-body { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 16px 130px; text-align: center; }
.kicker { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,.7); box-shadow: inset 0 0 0 1px rgba(60,84,112,.2); font-size: 14px; line-height: 1.3; color: #1d2024; text-align: left; }
.kicker b { font: 400 11px/1 var(--mono); letter-spacing: .08em; background: var(--accent); color: #fff; padding: 5px 8px; border-radius: 999px; flex: none; }
.hero h1 { font-size: clamp(36px, 4.6vw, 76px); font-weight: 500; line-height: .98; letter-spacing: -.045em; margin-top: 24px; max-width: 22ch; color: var(--ink);
  background: linear-gradient(180deg, #0d0f12 55%, #3a3e45 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero h1 .accent { -webkit-text-fill-color: var(--accent); letter-spacing: -.02em; }
.hero .value { max-width: 64ch; margin-top: 28px; font: 400 clamp(16px, 1.25vw, 19px)/1.55 var(--sans); color: #2b2e33; }
.hero .value b { font-weight: 500; color: var(--ink); }
.hero-photo { width: 88px; height: 88px; border-radius: 999px; object-fit: cover; filter: grayscale(1); margin-bottom: 22px; box-shadow: 0 0 0 4px rgba(255,255,255,.7); }
.meta { position: absolute; left: 32px; bottom: 32px; z-index: 2; margin: 0; padding: 0; list-style: none; font: 400 12px/2 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: #3a3d42; }
.meta li::before { content: "● "; color: var(--accent); }
.hero-actions { position: absolute; right: 32px; bottom: 32px; z-index: 2; display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.back { position: absolute; left: 32px; top: 84px; z-index: 2; font: 400 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; color: #3a3d42; }
.back:hover { color: var(--accent); }
@media (max-width: 800px) {
  .hero { min-height: 0; }
  .hero-body { padding: 48px 8px 32px; }
  .meta, .hero-actions, .back { position: static; }
  .back { display: block; padding: 0 16px; margin-top: 8px; }
  .meta { padding: 0 16px 16px; }
  .hero-actions { padding: 0 16px 20px; justify-content: flex-start; }
}

/* PREUVES (bandeau sombre) */
.proofs { margin: 10px 16px; border-radius: 18px; background: var(--ink-2); border: 1px solid var(--line-dark); display: grid; grid-template-columns: repeat(4, 1fr); color: var(--marble); }
.proof { padding: 40px 32px 36px; display: flex; flex-direction: column; gap: 10px; }
.proof + .proof { border-left: 1px solid var(--line-dark); }
.proof .n { font: 500 60px/1 var(--sans); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.proof .l { font-size: 16px; line-height: 1.45; color: rgba(241,240,236,.88); max-width: 26ch; }
@media (max-width: 800px) {
  .proofs { grid-template-columns: 1fr 1fr; }
  .proof { padding: 28px 20px; }
  .proof + .proof { border-left: 0; }
  .proof:nth-child(even) { border-left: 1px solid var(--line-dark); }
  .proof:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .proof .n { font-size: 44px; }
}

/* CE QUE J'APPORTE (cartes du rapport) */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pillar { background: var(--marble); border-radius: 14px; padding: 26px 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.pillar .n { font: 400 12px/1 var(--mono); color: var(--accent); letter-spacing: .08em; }
.pillar h3 { font-size: 24px; font-weight: 500; line-height: 1.12; }
.pillar p { font-size: 15px; line-height: 1.55; color: #3a3d42; }
.pillar .pv { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.4; text-decoration: none; color: var(--ink); }
.pillar .pv b { display: block; font: 400 11px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.pillar .pv:hover { color: var(--accent); }
@media (max-width: 1100px) { .pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .pillars { grid-template-columns: 1fr; } }

/* ÉTUDES — tuiles teintées de la home */
.decisions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.decision { --fg: var(--ink); --soft: #4d5157; --hi: var(--accent);
  position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 360px; border-radius: 18px; padding: 36px 36px 32px;
  text-decoration: none; color: var(--fg); transition: transform .2s ease, box-shadow .2s ease; isolation: isolate; }
.decision::before { content: attr(data-n); position: absolute; right: 20px; top: -34px; z-index: -1; font: 300 220px/1 var(--display); letter-spacing: -.02em; color: currentColor; opacity: .09; }
.decision:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(13,15,18,.14); }
.d-slate { background: linear-gradient(140deg, #2c3f55 0%, #4f6886 100%); --fg: #fff; --soft: #e6ecf2; --hi: #fff; }
.d-mist  { background: radial-gradient(120% 90% at 80% 0%, #eef1f4 0%, #cfd8e2 100%); }
.d-night { background: radial-gradient(90% 80% at 100% 100%, rgba(143,169,196,.28), transparent 60%), #1c2330; --fg: var(--marble); --soft: #b4bcc6; --hi: var(--accent-light); }
.d-stone { background: linear-gradient(160deg, #e7e4dc 0%, #cfcbc1 100%); }
.decision .goal { font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--hi); }
.decision h3 { font-size: clamp(24px, 2.2vw, 32px); font-weight: 500; line-height: 1.12; margin: 18px 0 16px; max-width: 22ch; color: var(--fg); }
.decision .fig { font: 500 44px/1 var(--sans); letter-spacing: -.04em; color: var(--fg); }
.decision .fig small { display: block; margin-top: 8px; font: 400 16px/1.45 var(--sans); letter-spacing: 0; color: var(--soft); max-width: 36ch; }
.decision small.how { display: block; margin: 16px 0 28px; font: 400 12px/1.5 var(--mono); color: var(--soft); }
.proof-link { margin-top: auto; display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid color-mix(in srgb, currentColor 22%, transparent); font-size: 16px; line-height: 1.35; }
.proof-link .pk { flex: none; font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--soft); }
.proof-link .arrow { margin-left: auto; flex: none; width: 34px; height: 34px; border-radius: 999px; display: grid; place-items: center; box-shadow: inset 0 0 0 1px color-mix(in srgb, currentColor 35%, transparent); transition: transform .2s ease, background .2s ease; }
.decision:hover .arrow { transform: translateX(4px); background: color-mix(in srgb, currentColor 12%, transparent); }
@media (max-width: 800px) { .decisions-grid { grid-template-columns: 1fr; } .decision { min-height: 0; padding: 28px 22px 24px; } .decision::before { font-size: 150px; top: -20px; } }

/* RECOMMANDATIONS (cartes du rapport) */
.cards2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tcard { margin: 0; background: var(--marble); border-radius: 14px; padding: 32px 30px; display: flex; flex-direction: column; gap: 22px; }
.tcard blockquote { margin: 0; font: italic 400 21px/1.5 var(--display); color: #24272c; }
.tcard figcaption { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15px; color: var(--muted); }
.tcard figcaption b { display: block; font-weight: 500; color: var(--ink); }
.tcard figcaption small { display: block; margin-top: 4px; font: 400 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.src-note { margin-top: 24px; font: 400 12px/1.5 var(--mono); color: var(--muted); }
@media (max-width: 800px) { .cards2 { grid-template-columns: 1fr; } }

/* PARCOURS (liste de la home) */
.timeline { list-style: none; padding: 0; margin: 0; max-width: 980px; }
.step { display: grid; grid-template-columns: 210px 1fr; gap: 6px 32px; padding: 22px 0; border-top: 1px solid var(--line); }
.step .when { font: 400 12px/1.9 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.step .when b { display: block; font-weight: 400; color: var(--accent); }
.step h3 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 500; }
.step h3 em { font-family: var(--display); font-weight: 400; color: var(--accent); letter-spacing: -.01em; }
.step p { margin-top: 8px; font-size: 17px; line-height: 1.55; color: #3a3d42; max-width: 62ch; }
.step .links { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 10px; font-size: 15px; }
.step .links a { color: var(--accent); }
@media (max-width: 800px) { .step { grid-template-columns: 1fr; } }

/* À PROPOS / CONTACT (section sombre de la home) */
.about { background: var(--ink); color: var(--marble); padding: 96px 32px; display: grid; grid-template-columns: 280px 1fr; gap: 56px; max-width: 1240px; margin: 0 auto; }
.about img { width: 280px; aspect-ratio: 1; align-self: start; object-fit: cover; border-radius: 16px; filter: grayscale(1); }
.about .eyebrow { color: var(--accent-light); }
.about h2 { font-size: clamp(36px, 4vw, 52px); margin: 12px 0 20px; }
.about p { font-size: 19px; line-height: 1.6; max-width: 58ch; color: rgba(241,240,236,.88); }
.about .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.about .btn-primary { background: var(--marble); color: var(--ink); }
.about .btn-primary:hover { background: #fff; }
.contact-lines { margin-top: 28px; font: 400 13px/2 var(--mono); color: var(--muted-dark); }
.contact-lines a { color: var(--marble); }
@media (max-width: 800px) { .about { grid-template-columns: 1fr; padding: 64px 20px; } .about img { width: 160px; } }

/* ---------- Restitution ---------- */
.facts-row { display: grid; grid-template-columns: repeat(6, 1fr); margin: 10px 16px; border-radius: 18px; background: var(--ink-2); border: 1px solid var(--line-dark); color: var(--marble); }
.facts-row div { padding: 26px 24px; }
.facts-row div + div { border-left: 1px solid var(--line-dark); }
.facts-row dt { font: 400 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-light); }
.facts-row dd { margin: 8px 0 0; font-size: 15px; line-height: 1.45; color: rgba(241,240,236,.9); }
@media (max-width: 1000px) { .facts-row { grid-template-columns: repeat(3, 1fr); } .facts-row div:nth-child(4) { border-left: 0; } .facts-row div:nth-child(n+4) { border-top: 1px solid var(--line-dark); } }
@media (max-width: 600px) { .facts-row { grid-template-columns: 1fr 1fr; } .facts-row div { border-left: 0 !important; border-top: 1px solid var(--line-dark); } .facts-row div:nth-child(-n+2) { border-top: 0; } .facts-row div:nth-child(even) { border-left: 1px solid var(--line-dark) !important; } }

.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 16px; }
.toc a { padding: 10px 16px; border-radius: 999px; background: var(--marble); font-size: 14px; text-decoration: none; color: #1d2024; }
.toc a b { font: 400 11px/1 var(--mono); color: var(--accent); margin-right: 8px; }
.toc a:hover { background: #fff; }

.objective { font: 500 clamp(24px, 2.4vw, 32px)/1.25 var(--sans); letter-spacing: -.025em; max-width: 34ch; }
.phases { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.phases div { border-top: 1px solid var(--line); padding-top: 20px; font-size: 16px; line-height: 1.5; color: #3a3d42; }
.phases span { display: block; font: 400 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.phases b { display: block; font: 500 21px/1.2 var(--sans); letter-spacing: -.02em; color: var(--ink); margin-bottom: 8px; }
@media (max-width: 1000px) { .phases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .phases { grid-template-columns: 1fr; } }
.sessions { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line); }
.sessions h3 { font-size: clamp(26px, 2.6vw, 34px); margin: 12px 0 24px; }

.questions { list-style: none; padding: 0; margin: 0; counter-reset: s; max-width: 60ch; }
.questions li { counter-increment: s; display: grid; grid-template-columns: 44px 1fr; padding: 18px 0; border-top: 1px solid var(--line); font-size: 21px; line-height: 1.4; color: #24272c; }
.questions li::before { content: "0" counter(s); font: 400 12px/2.4 var(--mono); color: var(--muted); }

.insight-list { display: grid; gap: 10px; }
.insight { display: grid; grid-template-columns: 260px 1fr; gap: 40px; background: var(--marble); border-radius: 14px; padding: 36px 36px 40px; }
.insight .n { font: 400 12px/1 var(--mono); letter-spacing: .08em; color: var(--accent); }
.insight .fig { margin-top: 16px; font: 500 56px/1 var(--sans); letter-spacing: -.04em; color: var(--ink); overflow-wrap: anywhere; }
.insight h3 { font-size: clamp(24px, 2.2vw, 30px); font-weight: 500; line-height: 1.15; }
.insight .txt > p { margin-top: 12px; font-size: 17px; line-height: 1.55; color: #3a3d42; }
.insight blockquote { margin: 22px 0 0; padding-left: 18px; border-left: 2px solid var(--accent-light); font: italic 400 22px/1.45 var(--display); color: #1d2024; }
.insight blockquote + blockquote { margin-top: 16px; }
.insight cite { display: block; margin-top: 6px; font: normal 400 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 800px) { .insight { grid-template-columns: 1fr; gap: 16px; padding: 28px 22px; } .insight .fig { font-size: 44px; } }

.recos { list-style: none; padding: 0; margin: 0; }
.recos li { display: grid; grid-template-columns: 64px 1fr; gap: 4px 16px; padding: 20px 0; border-top: 1px solid var(--line); }
.prio { align-self: start; justify-self: start; margin-top: 4px; font: 400 11px/1 var(--mono); letter-spacing: .08em; padding: 6px 9px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); color: var(--muted); }
.prio.p1 { background: var(--accent); box-shadow: none; color: #fff; }
.recos strong { font: 500 21px/1.25 var(--sans); letter-spacing: -.02em; }
.recos p { grid-column: 2; font-size: 16px; color: #3a3d42; }

.outcome-wrap { padding: 14vh 16px 12vh; background: radial-gradient(40% 40% at 10% 100%, rgba(143,169,196,.12), transparent 70%), var(--ink); color: var(--marble); }
.outcome-wrap .inner { max-width: 1100px; margin: 0 auto; }
.outcome-wrap .eyebrow { color: var(--accent-light); }
.outcome { margin-top: 20px; max-width: 24ch; font: 500 clamp(34px, 4.4vw, 64px)/1.06 var(--sans); letter-spacing: -.04em; }

.next { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 10px 16px; }
.next a { background: var(--marble); border-radius: 18px; padding: 32px 36px; text-decoration: none; display: grid; gap: 10px; transition: transform .2s ease, box-shadow .2s ease; }
.next a:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(13,15,18,.14); }
.next span { font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.next strong { font: 500 24px/1.2 var(--sans); letter-spacing: -.02em; }
@media (max-width: 800px) { .next { grid-template-columns: 1fr; } .next a { padding: 26px 22px; } }

/* Lecteur d'extraits */
.clips { display: grid; gap: 16px; }
.clips.multi { grid-template-columns: 1fr 300px; align-items: start; }
@media (max-width: 1000px) { .clips.multi { grid-template-columns: 1fr; } }
.player { margin: 0; }
.player video { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 14px; }
.player figcaption { margin-top: 10px; font: 400 12px/1.5 var(--mono); color: var(--muted); }
.clip-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.clip-list button { width: 100%; display: grid; gap: 4px; text-align: left; padding: 14px 16px; border: 0; border-radius: 12px; background: rgba(255,255,255,.55); box-shadow: inset 0 0 0 1px var(--line); font: inherit; font-size: 15px; line-height: 1.4; color: #3a3d42; cursor: pointer; }
.clip-list button:hover { background: #fff; }
.clip-list button[aria-pressed="true"] { background: var(--ink); color: var(--marble); box-shadow: none; }
.clip-list strong { font-weight: 500; }
.clip-list small { font: 400 11px/1.5 var(--mono); letter-spacing: .04em; color: inherit; opacity: .75; }

/* Menu mobile : instudy-brand.css met gap: 0 sous 520px, on garde un espace entre les liens */
@media (max-width: 520px) { .pf .brand-nav.keep { gap: 18px; } }