:root {
  --lin: #f4efe6;
  --lin-deep: #e9e0d1;
  --white: #ffffff;
  --ink: #1a1d1b;
  --green: #1f3d3a;
  --green-light: #315753;
  --brass: #8c5e1f; /* corrigé 01/08 : #9b6b2a ne donnait que 4,05:1 sur le lin, sous le seuil AA de 4,5. Valeur de Divi = 4,91:1 */
  --granite: #6e6a62;
  --line: rgba(26, 29, 27, 0.14);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--lin);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1.1rem; }
h1, h2, h3 { font-family: var(--serif); margin: 0; font-weight: 600; }
h2 { font-size: clamp(2.25rem, 5vw, 4.6rem); line-height: 1.03; letter-spacing: -0.035em; }
h3 { font-size: 1.45rem; line-height: 1.2; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 112px 0; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  border-bottom: 1px solid rgba(244,239,230,.18);
  color: var(--lin);
}
.nav-wrap { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 1.45rem; font-weight: 600; }
.brand-mark { width: 34px; height: 34px; border: 1px solid rgba(244,239,230,.55); border-radius: 50%; display: grid; place-items: center; font-size: 1rem; }
nav { display: flex; align-items: center; gap: 30px; font-size: .86rem; font-weight: 600; }
nav a { opacity: .85; transition: opacity .2s; }
nav a:hover, nav a:focus-visible { opacity: 1; }
.nav-cta { border: 1px solid rgba(244,239,230,.55); border-radius: 7px; padding: 10px 17px; }

.hero { min-height: 840px; padding: 160px 0 32px; background: var(--green); color: var(--lin); overflow: hidden; position: relative; }
.hero::before { content: ""; width: 560px; height: 560px; border: 1px solid rgba(244,239,230,.08); border-radius: 50%; position: absolute; right: -150px; top: 120px; }
.hero::after { content: ""; width: 310px; height: 310px; border: 1px solid rgba(244,239,230,.06); border-radius: 50%; position: absolute; right: -30px; top: 245px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); align-items: center; gap: 90px; position: relative; z-index: 1; }
.eyebrow, .section-kicker { font-size: .75rem; text-transform: uppercase; letter-spacing: .19em; font-weight: 700; color: var(--brass); margin-bottom: 28px; }
.hero h1 { color: var(--lin); font-size: clamp(4.6rem, 10vw, 8.4rem); line-height: .79; letter-spacing: -.06em; }
.hero-lead { max-width: 680px; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.6; color: rgba(244,239,230,.83); margin: 46px 0 34px; }
.hero-actions { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border-radius: 7px; font-size: .92rem; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--brass); color: white; }
.button-light { background: var(--lin); color: var(--green); margin-top: 20px; }
.text-link { font-size: .92rem; font-weight: 700; border-bottom: 1px solid rgba(244,239,230,.4); padding: 8px 0; }
.text-link span { color: #d2a15f; margin-left: 8px; }
.trust-line { font-size: .78rem; color: rgba(244,239,230,.55); margin-top: 24px; }
.founder-card { width: min(100%, 350px); justify-self: end; transform: rotate(1.5deg); }
.portrait-placeholder { aspect-ratio: 4/5; background: linear-gradient(150deg, #315753 0%, #142c29 100%); border: 1px solid rgba(244,239,230,.25); border-radius: 120px 120px 12px 12px; display: grid; place-items: center; position: relative; overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,.2); }
.portrait-placeholder::before { content: ""; position: absolute; width: 250px; height: 250px; border-radius: 50%; background: rgba(244,239,230,.06); top: 30px; }
.portrait-initials { font-family: var(--serif); font-size: 6rem; color: rgba(244,239,230,.35); z-index: 1; }
.asset-note { position: absolute; bottom: 18px; background: rgba(26,29,27,.7); color: var(--lin); padding: 5px 12px; border-radius: 99px; font-size: .67rem; letter-spacing: .08em; text-transform: uppercase; }
.founder-caption { display: flex; justify-content: space-between; align-items: center; padding: 18px 6px 0; }
.founder-caption p { margin: 0; font-size: .82rem; line-height: 1.5; }
.compass { width: 38px; height: 38px; border: 1px solid rgba(244,239,230,.3); border-radius: 50%; display: grid; place-items: center; color: #d2a15f; }
.hero-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 70px; color: rgba(244,239,230,.45); font-size: .72rem; text-transform: uppercase; letter-spacing: .16em; }
.scroll-mark { font-size: 1.2rem; }

.problem-section { background: var(--lin); }
.split-heading { display: grid; grid-template-columns: .35fr 1.65fr; align-items: start; gap: 30px; margin-bottom: 80px; }
.split-heading h2 { max-width: 900px; }
.irritant-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.irritant { padding: 35px 35px 12px 0; border-right: 1px solid var(--line); }
.irritant + .irritant { padding-left: 35px; }
.irritant:last-child { border-right: 0; }
.item-number { color: var(--brass); font-size: .72rem; letter-spacing: .14em; }
.irritant h3 { max-width: 280px; margin: 24px 0 18px; }
.irritant p { color: var(--granite); font-size: .95rem; }

.dark-section { background: var(--ink); color: var(--lin); }
.dark-intro { max-width: 810px; margin-bottom: 70px; }
.dark-intro h2 { color: var(--lin); }
.dark-intro > p:last-child { color: rgba(244,239,230,.65); max-width: 570px; margin-top: 28px; font-size: 1.1rem; }
.section-kicker.light { color: #d3a35f; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.service-card { min-height: 360px; padding: 34px; border: 1px solid rgba(244,239,230,.15); display: flex; flex-direction: column; justify-content: space-between; background: #232725; }
.service-card.accent-card { background: var(--green); }
.service-icon { width: 52px; height: 52px; border: 1px solid rgba(244,239,230,.25); border-radius: 50%; display: grid; place-items: center; color: #d3a35f; font-size: 1.4rem; }
.service-card h3 { color: var(--lin); margin-bottom: 18px; font-size: 1.7rem; }
.service-card p { color: rgba(244,239,230,.63); font-size: .94rem; margin: 0; }

.method-section { background: var(--white); }
.method-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 110px; }
.method-title h2 { color: var(--green); font-size: clamp(3rem, 7vw, 6.6rem); }
.method-title > p:last-child { color: var(--granite); max-width: 390px; margin-top: 28px; }
.method-list { border-top: 1px solid var(--line); }
.method-step { display: grid; grid-template-columns: 60px 1fr; gap: 22px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.method-step > span { width: 38px; height: 38px; background: var(--lin); border-radius: 50%; display: grid; place-items: center; color: var(--brass); font-size: .8rem; font-weight: 700; }
.method-step h3 { margin-bottom: 8px; }
.method-step p { color: var(--granite); margin: 0; font-size: .95rem; }

.case-section { background: var(--lin); }
.case-card { background: var(--green); color: var(--lin); min-height: 590px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 75px; align-items: center; border-radius: 3px; overflow: hidden; }
.case-copy h2 { color: var(--lin); }
.case-copy > p { color: rgba(244,239,230,.7); max-width: 540px; }
.case-copy .case-lead { color: var(--lin); font-size: 1.25rem; margin-top: 28px; }
.mockup-stack { position: relative; min-height: 430px; }
.mockup { background: white; color: var(--ink); box-shadow: 0 25px 65px rgba(0,0,0,.25); }
.mockup-back { width: 70%; height: 280px; position: absolute; right: -30px; top: 10px; transform: rotate(7deg); padding: 28px; color: var(--granite); display: flex; justify-content: space-between; }
.mockup-front { width: 78%; min-height: 390px; position: absolute; left: 5px; bottom: 0; transform: rotate(-3deg); border-radius: 5px; padding: 28px; }
.mockup-top { display: flex; justify-content: space-between; border-bottom: 1px solid #ddd; padding-bottom: 15px; color: var(--green); font-weight: 800; }
.mockup-top i { color: var(--brass); }
.mockup-front > p { color: var(--granite); font-size: .8rem; margin: 40px 0 0; }
.mockup-front > strong { font-family: var(--serif); font-size: 4rem; color: var(--green); }
.mockup-line { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #eee; font-size: .8rem; }
.mockup-front button { border: 0; width: 100%; background: var(--brass); color: white; padding: 13px; border-radius: 5px; margin-top: 24px; font-weight: 700; }

.start-section { background: var(--white); }
.start-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.start-grid h2 { color: var(--green); font-size: clamp(2.8rem, 6vw, 5.2rem); }
.start-cards { display: grid; gap: 16px; }
.start-cards article { padding: 32px; border: 1px solid var(--line); }
.start-cards h3 { margin: 12px 0; }
.start-cards p { color: var(--granite); margin: 0; }
.pill { display: inline-block; font-size: .69rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; color: var(--green); background: rgba(31,61,58,.1); border-radius: 99px; padding: 5px 11px; }
.pill-accent { color: var(--brass); background: rgba(155,107,42,.12); }

.founder-section { background: var(--lin); }
.founder-layout { display: grid; grid-template-columns: .55fr 1.45fr; gap: 80px; align-items: center; }
.founder-monogram { aspect-ratio: 1; max-width: 370px; border-radius: 50%; background: var(--lin-deep); border: 1px solid rgba(155,107,42,.25); display: grid; place-items: center; font-family: var(--serif); font-size: 7rem; color: rgba(31,61,58,.33); }
.founder-layout h2 { color: var(--green); max-width: 720px; margin-bottom: 34px; }
.founder-layout p { max-width: 720px; color: var(--granite); }
.founder-layout .name-origin { color: var(--green); font-weight: 600; border-left: 3px solid var(--brass); padding-left: 18px; margin-top: 28px; }

.contact-section { background: var(--green); color: var(--lin); padding: 110px 0; }
.contact-card { text-align: center; }
.contact-card h2 { color: var(--lin); }
.contact-card > p:not(.section-kicker) { color: rgba(244,239,230,.68); margin: 26px auto 36px; }
.pending-contact { display: inline-flex; border: 1px dashed rgba(244,239,230,.38); background: rgba(244,239,230,.06); padding: 14px 18px; font-size: .79rem; color: rgba(244,239,230,.75); }
footer { background: var(--ink); color: var(--lin); padding: 52px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.4fr .6fr; gap: 50px; align-items: end; }
.footer-brand { font-family: var(--serif); font-size: 1.8rem; }
.footer-grid p { margin: 4px 0 0; color: rgba(244,239,230,.45); font-size: .78rem; }
.footer-grid > div:last-child { display: flex; flex-direction: column; gap: 7px; font-size: .8rem; }

.btp-header { position: relative; background: var(--white); color: var(--green); border-bottom-color: var(--line); }
.btp-header .brand-mark { border-color: rgba(31,61,58,.25); }
.btp-page .section { border-bottom: 1px solid var(--line); }
.btp-hero { padding: 100px 0; background: var(--lin); }
.btp-hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: center; }
.btp-hero h1 { font-family: var(--serif); color: var(--green); font-size: clamp(3.6rem, 8vw, 7rem); line-height: .92; letter-spacing: -.05em; }
.btp-hero .hero-lead { color: var(--ink); margin: 34px 0; }
.btp-text-link { color: var(--green); border-color: rgba(31,61,58,.3); }
.btp-light-section { background: var(--lin); }
.btp-photo { aspect-ratio: 4/5; background: var(--green); color: var(--lin); border-radius: 160px 160px 8px 8px; padding: 36px; display: flex; flex-direction: column; justify-content: flex-end; box-shadow: 0 24px 60px rgba(26,29,27,.16); }
.btp-photo strong { font-family: var(--serif); font-size: 2.2rem; }
.btp-photo span { color: rgba(244,239,230,.65); }
.reading { max-width: 760px; }
.reading h2 { color: var(--green); margin-bottom: 32px; }
.reading .lead { font-size: 1.25rem; }
.door-list { display: grid; gap: 16px; margin-top: 40px; }
.door { background: white; border-left: 4px solid var(--brass); padding: 30px; box-shadow: 0 12px 35px rgba(26,29,27,.06); }
.door h3 { margin-bottom: 10px; }
.door p { color: var(--granite); margin: 0; }
.proof-section { background: var(--white); }
.proof-head { max-width: 800px; margin-bottom: 50px; }
.proof-head h2 { color: var(--green); }
.screen-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.screen-placeholder { aspect-ratio: 4/3; background: #eef0ec; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; padding: 18px; }
.screen-placeholder strong { font-family: var(--serif); color: var(--green); font-size: 1.2rem; }
.screen-placeholder span { color: var(--granite); font-size: .75rem; }
.notice { margin-top: 24px; color: var(--granite); font-size: .8rem; font-style: italic; }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero { min-height: auto; }
  .hero-grid, .method-layout, .case-card, .start-grid, .founder-layout, .btp-hero-grid { grid-template-columns: 1fr; }
  .founder-card { justify-self: start; width: 300px; }
  .hero h1 { font-size: clamp(4.2rem, 18vw, 7rem); }
  .split-heading { grid-template-columns: 1fr; }
  .irritant-grid, .service-grid { grid-template-columns: 1fr; }
  .irritant, .irritant + .irritant { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .method-layout, .start-grid, .founder-layout { gap: 55px; }
  .case-card { padding: 50px 32px; }
  .mockup-stack { min-height: 440px; }
  .screen-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { width: min(100% - 32px, 1180px); }
  .section { padding: 76px 0; }
  .nav-wrap { min-height: 72px; }
  .nav-cta { padding: 8px 12px; }
  .hero { padding-top: 125px; }
  .hero-grid { gap: 50px; }
  .hero-lead { font-size: 1.06rem; margin-top: 30px; }
  .hero-foot { margin-top: 50px; }
  .founder-card { width: 82%; }
  .service-card { min-height: 290px; }
  .case-card { width: 100%; border-radius: 0; }
  .case-section .container { width: 100%; }
  .case-copy { padding: 0 4px; }
  .mockup-front { width: 86%; }
  .founder-monogram { max-width: 240px; font-size: 5rem; }
  .screen-grid { grid-template-columns: 1fr; }
  .btp-hero { padding: 70px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}


/* ============================================================
   V3 — navigation fixe, médias maîtrisés et contact finalisé
   ============================================================ */
body { padding-top: 88px; }
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  width: 100%;
  z-index: 1000;
  background: rgba(31,61,58,.97);
  box-shadow: 0 8px 24px rgba(26,29,27,.12);
  backdrop-filter: blur(12px);
}
.btp-header { position: fixed; background: rgba(255,255,255,.97); }
.hero { padding-top: 72px; }
.primary-nav { display:flex; align-items:center; gap:30px; }
.nav-toggle { display:none; width:46px; height:46px; padding:11px; border:1px solid currentColor; border-radius:8px; color:inherit; background:transparent; cursor:pointer; }
.nav-toggle span { display:block; width:100%; height:2px; margin:4px 0; background:currentColor; border-radius:2px; }

.hero-grid { grid-template-columns:minmax(0,1fr) minmax(270px,360px); gap:64px; }
.founder-card { width:100%; max-width:360px; justify-self:end; transform:none; }
.founder-card img.portrait { width:100%; height:auto; aspect-ratio:2/3; object-fit:cover; object-position:center top; border-radius:14px; display:block; box-shadow:0 24px 55px rgba(0,0,0,.2); }
.founder-photo { width:330px; max-width:100%; height:330px; aspect-ratio:1; border-radius:50%; object-fit:cover; object-position:center 20%; border:1px solid rgba(140,94,31,.25); justify-self:center; display:block; }

.shots { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.shots figure { margin:0; min-width:0; padding:12px; background:var(--white); border-radius:12px; border:1px solid rgba(26,29,27,.13); box-shadow:0 12px 30px rgba(26,29,27,.1); }
.shots img { display:block; width:100%; height:250px; object-fit:contain; object-position:center; border-radius:8px; background:#f6f7f5; }
.shots figcaption { padding:10px 3px 2px; font-size:.78rem; color:var(--granite); line-height:1.35; }
.shots-note { font-size:.82rem; color:var(--granite); margin-top:14px; }

.agents-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:38px; }
.agent-card { background:var(--white); border-radius:14px; padding:28px 24px; text-align:center; border:1px solid var(--line); }
.agent-card img { width:132px; height:132px; aspect-ratio:1; border-radius:50%; object-fit:cover; object-position:center; margin:0 auto 18px; display:block; }
.agent-card h3 { color:var(--green); margin-bottom:8px; }
.agent-card p { color:var(--granite); font-size:.95rem; margin:0; }

.contact-actions { display:flex; justify-content:center; align-items:center; flex-wrap:wrap; gap:16px; margin-top:30px; }
.contact-button { min-height:54px; border:1px solid var(--lin); }
.contact-button-primary { color:var(--green); background:var(--lin); }
.contact-button-secondary { color:var(--lin); background:transparent; }

@media (max-width:900px) {
  body { padding-top:72px; }
  .nav-wrap { min-height:72px; position:relative; }
  .nav-toggle { display:block; }
  .primary-nav {
    display:none;
    position:absolute;
    top:calc(100% + 1px);
    left:-24px;
    right:-24px;
    padding:18px 24px 24px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:var(--green);
    box-shadow:0 18px 30px rgba(26,29,27,.18);
  }
  .btp-header .primary-nav { background:var(--white); }
  .primary-nav.is-open { display:flex; }
  .primary-nav a, nav a:not(.nav-cta) { display:block; padding:12px 8px; }
  .primary-nav .nav-cta { text-align:center; margin-top:8px; }
  .hero { padding-top:56px; }
  .hero-grid { grid-template-columns:1fr; gap:44px; }
  .founder-card { justify-self:start; width:min(100%,320px); }
  .agents-grid { grid-template-columns:1fr; }
  .shots { grid-template-columns:1fr 1fr; }
}

@media (max-width:620px) {
  .shots { grid-template-columns:1fr; }
  .shots img { height:auto; max-height:300px; }
  .founder-card { width:min(82vw,300px); }
  .founder-photo { width:260px; height:260px; }
  .contact-actions { flex-direction:column; }
  .contact-button { width:100%; }
}