:root {
  --paper: #f2ede3;
  --ink: #2e2b27;
  --copper: #773f2d;
  --muted: #6b655d;
  --line: #d6cfc2;
  --display: 'Manrope', Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--display); font-size: 18px; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
:focus-visible { outline: 3px solid #a36546; outline-offset: 5px; }
::selection { background: #dec2ac; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; background: white; }
.skip-link:focus { top: 12px; }
.section-wrap { padding: 96px max(6vw, calc((100vw - 1440px) / 2)); }
.eyebrow, .small-label { font-size: 13px; font-weight: 700; letter-spacing: .16em; line-height: 1.6; text-transform: uppercase; }
.eyebrow { color: var(--copper); }
.muted { color: var(--muted); }
h2 { font-size: clamp(34px, 4vw, 57px); font-weight: 500; letter-spacing: -.055em; line-height: 1.15; }
h2 > span { color: var(--copper); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; background: var(--copper); color: white; padding: 17px 23px; border: 1px solid var(--copper); font-size: 16px; font-weight: 600; transition: background .2s, transform .2s; }
.button:hover { background: #59301f; transform: translateY(-2px); }
.button span { font-size: 20px; line-height: 1; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid currentColor; padding-bottom: 7px; font-size: 16px; font-weight: 600; }
.text-link:hover { color: var(--copper); }
.text-link span { font-size: 22px; }
.site-header { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 30px; height: 96px; padding: 0 6vw; background: #fcfaf5; border-bottom: 1px solid var(--line); }
.brand { width: 136px; flex-shrink: 0; }
.brand img { width: 116px; height: 84px; object-fit: contain; mix-blend-mode: multiply; }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; font-weight: 600; }
.main-nav > a:not(.nav-cta):hover { color: var(--copper); }
.nav-cta { display: flex; align-items: center; gap: 25px; padding: 12px 18px; border: 1px solid var(--copper); color: var(--copper); }
.nav-cta:hover { background: var(--copper); color: white; }
.nav-cta span { font-size: 20px; }
.menu-toggle { display: none; }
.hero { padding: 34px 6vw 0; }
.hero-top { display: flex; justify-content: space-between; align-items: center; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--copper); margin-right: 8px; vertical-align: middle; }
.hero-coordinate { font-size: 12px; letter-spacing: .15em; color: var(--muted); }
.hero-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; padding: 32px 0 46px; }
h1 { font-size: clamp(68px, 9vw, 136px); font-weight: 500; line-height: .95; letter-spacing: -.075em; }
h1 span { color: var(--copper); }
.hero-intro { width: 350px; padding-bottom: 3px; }
.hero-intro > p:first-child { font-size: 22px; font-weight: 500; line-height: 1.5; letter-spacing: -.03em; }
.hero-intro .muted { font-size: 16px; line-height: 1.8; margin: 16px 0 23px; max-width: 315px; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; height: clamp(320px, 36vw, 530px); object-fit: cover; object-position: center 60%; }
.visual-tag { position: absolute; left: 28px; top: 28px; padding: 19px 25px; background: #f2ede3ed; border-left: 3px solid var(--copper); }
.visual-tag > span { font-size: 12px; color: var(--copper); letter-spacing: .2em; }
.visual-tag strong { display: block; margin-top: 8px; font-size: 20px; line-height: 1.5; font-weight: 500; letter-spacing: -.025em; }
.hero-visual figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 13px 0; font-size: 12px; color: var(--muted); }
.hero-visual figcaption > span:first-child { letter-spacing: .12em; }
.activity-strip { display: flex; align-items: center; gap: 30px; padding: 30px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: clamp(18px, 1.8vw, 24px); font-weight: 500; letter-spacing: -.03em; }
.activity-strip i { color: #ae9a85; font-style: normal; font-weight: 400; }
.activity-strip a { margin-left: auto; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-size: 20px; }
.introduction { display: grid; grid-template-columns: 1fr 3fr; gap: 55px; }
.section-label { display: flex; flex-direction: column; align-items: flex-start; gap: 70px; }
.section-label > span:last-child { font-size: 14px; color: var(--muted); line-height: 1.8; }
.intro-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 34px; font-size: 17px; color: var(--muted); }
.intro-columns .text-link { margin-top: 20px; color: var(--copper); }
.expertises { background: #e9e2d6; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 35px; margin-bottom: 54px; }
.section-heading .eyebrow { margin-bottom: 20px; }
.section-heading > p { font-size: 16px; color: var(--muted); padding-bottom: 6px; }
.expertise-row { display: grid; grid-template-columns: .35fr 1.7fr 1.7fr; gap: 35px; padding: 42px 0; border-top: 1px solid #c8bfae; }
.expertise-row:last-child { border-bottom: 1px solid #c8bfae; }
.row-number { font-size: 16px; color: var(--copper); padding-top: 8px; }
.line-icon { font-family: Arial, sans-serif; display: block; color: var(--copper); font-size: 32px; line-height: 1; margin-bottom: 15px; }
.expertise-title h3 { font-size: clamp(27px, 3vw, 41px); line-height: 1.15; font-weight: 500; letter-spacing: -.055em; margin-bottom: 18px; }
.small-label { color: var(--muted); font-size: 12px; }
.expertise-copy { padding-top: 6px; font-size: 17px; }
.expertise-copy .muted { margin: 15px 0 20px; font-size: 16px; }
.expertise-copy .text-link { color: var(--copper); }
.approach { display: grid; grid-template-columns: 1.1fr 1fr; gap: 9vw; }
.approach-heading .eyebrow { margin-bottom: 20px; }
.approach-heading > p:not(.eyebrow) { color: var(--muted); font-size: 17px; max-width: 370px; margin: 25px 0; }
.button-outline { background: transparent; color: var(--copper); }
.button-outline:hover { color: white; }
.process-list { list-style: none; padding: 0; margin: 0; align-self: center; counter-reset: steps; }
.process-list li { display: flex; gap: 26px; padding: 25px 0; border-top: 1px solid var(--line); }
.process-list li:last-child { border-bottom: 1px solid var(--line); }
.process-list li > span { font-size: 14px; color: var(--copper); padding-top: 3px; }
.process-list h3 { font-size: 20px; font-weight: 600; letter-spacing: -.03em; margin-bottom: 7px; }
.process-list p { font-size: 16px; color: var(--muted); }
.commitment { background: var(--copper); color: var(--paper); }
.commitment .eyebrow { color: #e6c9b6; margin-bottom: 22px; }
.commitment h2 > span { color: #e7bba0; }
.commitment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 52px; margin-top: 58px; }
.commitment-grid article { border-top: 1px solid #a67762; padding-top: 21px; }
.commitment-grid article > span { font-size: 12px; letter-spacing: .14em; color: #ecd4c1; }
.commitment-grid h3 { font-size: 24px; letter-spacing: -.04em; font-weight: 500; margin: 20px 0 12px; }
.commitment-grid p { font-size: 16px; color: #eadbce; }
.faq { display: grid; grid-template-columns: 1fr 1.6fr; gap: 9vw; }
.faq .eyebrow { margin-bottom: 20px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 25px; cursor: pointer; list-style: none; font-size: 17px; font-weight: 600; line-height: 1.6; padding: 24px 0; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 23px; font-weight: 400; color: var(--copper); transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { font-size: 16px; color: var(--muted); padding: 0 35px 24px 0; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; background: #e9e2d6; }
.contact-intro .eyebrow { margin-bottom: 25px; }
.contact-intro h2 { font-size: clamp(55px, 6.5vw, 90px); line-height: 1.03; }
.contact-intro > p:not(.eyebrow) { font-size: 17px; color: var(--muted); max-width: 280px; margin-top: 25px; }
.contact-phone { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: fit-content; font-size: clamp(20px, 2.8vw, 33px); font-weight: 500; letter-spacing: -.04em; margin: 36px 0 8px; }
.contact-phone span { color: var(--copper); }
.contact-email { font-size: 17px; border-bottom: 1px solid var(--copper); padding-bottom: 4px; }
.contact-panel { padding: 32px; background: #faf7f0; }
.contact-panel > h3 { font-size: 25px; font-weight: 500; letter-spacing: -.045em; }
.contact-panel > p { color: var(--muted); font-size: 16px; margin: 8px 0 25px; }
#project-form label { display: block; font-size: 14px; font-weight: 600; margin: 20px 0 8px; }
#project-form label span { color: var(--muted); font-weight: 400; }
input, select, textarea { width: 100%; padding: 12px 13px; border: 1px solid #c9c0b2; border-radius: 0; background: #fffdf8; color: var(--ink); font-size: 17px; }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: #746c62; }
#project-form .button { margin-top: 20px; width: 100%; }
.form-note { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.form-status { color: var(--copper); font-size: 14px; margin-top: 8px; }
.direct-whatsapp { font-size: 14px; margin-top: 16px; }
.address-bar { display: flex; justify-content: space-between; align-items: center; gap: 35px; padding-top: 32px; padding-bottom: 32px; }
.address-bar address { font-size: 14px; color: var(--muted); font-style: normal; }
.site-footer { background: #2e2b27; color: var(--paper); padding-top: 55px; padding-bottom: 23px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 45px; }
.footer-wordmark { font-size: 30px; font-weight: 800; line-height: 1; letter-spacing: -.065em; }
.footer-wordmark > span { color: #c2997c; font-weight: 400; }
.footer-wordmark small { display: block; font-size: 12px; letter-spacing: .18em; font-weight: 500; margin-top: 13px; }
.footer-top > p { font-size: 14px; color: #c7c0b5; }
.footer-top .text-link:hover { color: #e6b99a; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid #575149; font-size: 12px; color: #c7c0b5; }
@media (min-width: 1700px) { .hero, .site-header { padding-left: calc((100vw - 1440px) / 2); padding-right: calc((100vw - 1440px) / 2); } }
@media (max-width: 1000px) {
  .main-nav { gap: 18px; font-size: 13px; }
  .hero-heading { gap: 35px; }
  .hero-intro { width: 300px; }
  .hero-intro > p:first-child { font-size: 20px; }
  .introduction { grid-template-columns: 1fr 3.5fr; gap: 25px; }
  .intro-columns { gap: 25px; }
  .expertise-row { grid-template-columns: .2fr 1.2fr 1.7fr; gap: 20px; }
  .approach, .faq, .contact { gap: 6vw; }
  .contact-panel { padding: 25px; }
  .commitment-grid { gap: 25px; }
  .address-bar { flex-wrap: wrap; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 84px; }
  .section-wrap { padding: 66px 6vw; }
  .site-header { height: 78px; }
  .brand img { width: 98px; height: 69px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; background: transparent; border: 1px solid var(--line); padding: 11px; }
  .menu-toggle span { display: block; height: 1px; width: 20px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 77px; left: 0; right: 0; background: #fcfaf5; padding: 22px 6vw 28px; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; font-size: 17px; gap: 0; }
  .main-nav.open { display: flex; }
  .main-nav > a { padding: 14px 0; }
  .main-nav .nav-cta { padding: 13px 16px; margin-top: 10px; justify-content: space-between; }
  .hero { padding-top: 25px; }
  .hero-coordinate { display: none; }
  .hero-heading { display: block; padding: 30px 0; }
  h1 { font-size: clamp(58px, 17vw, 116px); }
  .hero-intro { width: 100%; margin-top: 30px; }
  .hero-intro > p:first-child { font-size: 20px; }
  .hero-intro .muted { max-width: 420px; }
  .hero-visual > img { height: 355px; object-position: 62% center; }
  .visual-tag { left: 15px; top: 15px; padding: 12px 16px; }
  .visual-tag strong { font-size: 17px; }
  .hero-visual figcaption { font-size: 12px; }
  .activity-strip { gap: 14px; padding: 22px 0; flex-wrap: wrap; font-size: 17px; }
  .activity-strip a { display: none; }
  .introduction { grid-template-columns: 1fr; gap: 27px; }
  .section-label > span:last-child { display: none; }
  .intro-columns { grid-template-columns: 1fr; gap: 18px; margin-top: 25px; }
  h2 { font-size: clamp(32px, 7.5vw, 44px); }
  .section-heading { display: block; margin-bottom: 35px; }
  .section-heading > p { margin-top: 20px; }
  .expertise-row { grid-template-columns: 28px 1fr; gap: 18px; padding: 30px 0; }
  .expertise-title h3 { font-size: 31px; }
  .expertise-copy { grid-column: 2; }
  .line-icon { display: none; }
  .approach, .faq, .contact { grid-template-columns: 1fr; gap: 40px; }
  .process-list li { gap: 22px; }
  .commitment-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 35px; }
  .commitment-grid h3 { margin-top: 12px; }
  .contact-intro h2 { font-size: 66px; }
  .contact-panel { padding: 24px 20px; }
  .address-bar { flex-direction: column; align-items: flex-start; gap: 18px; padding-top: 30px; padding-bottom: 30px; }
  .footer-top { flex-wrap: wrap; padding-bottom: 30px; }
  .footer-top > p { width: 42%; }
  .footer-top > .text-link { font-size: 14px; }
  .footer-bottom { flex-wrap: wrap; gap: 10px 20px; }
  .footer-bottom > span:last-child { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Navigation confortable sur tablette avec les textes agrandis. */
@media (min-width: 761px) and (max-width: 1050px) {
  html { scroll-padding-top: 84px; }
  .site-header { height: 78px; }
  .brand img { width: 98px; height: 69px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; background: transparent; border: 1px solid var(--line); padding: 11px; }
  .menu-toggle span { display: block; height: 1px; width: 20px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 77px; left: 0; right: 0; background: #fcfaf5; padding: 22px 6vw 28px; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; font-size: 17px; gap: 0; }
  .main-nav.open { display: flex; }
  .main-nav > a { padding: 14px 0; }
  .main-nav .nav-cta { padding: 13px 16px; margin-top: 10px; justify-content: space-between; }
}
.text-link span, .button span { flex-shrink: 0; }

/* Accès WhatsApp permanent, sans envoi automatique. */
.whatsapp-float {
  position: fixed;
  right: calc(24px + env(safe-area-inset-right, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: #128c4b;
  color: #fff;
  box-shadow: 0 6px 22px #183e2838;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.whatsapp-float > svg { width: 33px; height: 33px; }
.whatsapp-float:hover { background: #0c713c; transform: translateY(-3px); box-shadow: 0 9px 25px #183e2850; }
.whatsapp-float:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  padding: 9px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s;
}
.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus-visible .whatsapp-tooltip { opacity: 1; visibility: visible; }
.site-footer { padding-bottom: 100px; }
@media (max-width: 760px) {
  .whatsapp-float { width: 56px; height: 56px; right: calc(16px + env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
  .whatsapp-float > svg { width: 29px; height: 29px; }
  .whatsapp-tooltip { display: none; }
}