:root {
    color-scheme: light;
    --navy: #0B1F33;
    --gold: #D6A84F;
    --teal: #0F766E;
    --ink: #465361;
    --off-white: #F6F7F5;
    --border: #DFE5E5;
    --header-height: 80px;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--navy);
    background: var(--navy);
    font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body { margin: 0; font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
.site-header :focus-visible, .hero :focus-visible, .site-footer :focus-visible { outline-color: var(--gold); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.2; }
svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
[hidden] { display: none !important; }
.container { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
section { scroll-margin-top: 24px; }
.section { padding-block: 112px; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 12px 20px; background: white; color: var(--navy); z-index: 100; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--navy); border-bottom: 1px solid #ffffff16; color: white; }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.header-inner, .hero-grid, .history-grid { width: min(1380px, calc(100% - 64px)); }
.site-header .brand-name { font-size: 30px; }
.brand { display: inline-flex; flex-direction: column; flex-shrink: 0; }
.brand-name { font-size: 27px; letter-spacing: .035em; font-weight: 750; line-height: 1.2; }
.brand-name span, h1 span { color: var(--gold); }
.brand-tagline { font-size: 8px; letter-spacing: .13em; margin-top: 7px; color: #dce3e9; }
.main-nav, .footer-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.main-nav > a:not(.button), .footer-nav a { padding-block: 10px; text-underline-offset: 8px; }
.main-nav > a:not(.button):hover, .footer-nav a:hover { text-decoration: underline; text-decoration-color: var(--gold); }
body:not(:has(main section:target)) .main-nav > a[href="#accueil"],
body:has(#accueil:target) .main-nav > a[href="#accueil"],
body:has(#histoire:target) .main-nav > a[href="#histoire"],
body:has(#solutions:target) .main-nav > a[href="#solutions"] { color: var(--gold); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 18px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 13px 23px; border: 1px solid transparent; border-radius: 5px; font-size: 14px; font-weight: 600; line-height: 1.5; transition: background-color .2s, border-color .2s, color .2s; }
.button-gold { color: var(--navy); background: var(--gold); }
.button-gold:hover { background: #e4b960; }
.button-outline { border-color: #ffffff55; color: white; }
.button-outline:hover { background: var(--teal); border-color: var(--teal); }
.menu-toggle { border: 1px solid #ffffff40; border-radius: 4px; color: white; background: transparent; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; background: currentColor; }
.menu-toggle[aria-expanded="true"] { background: var(--teal); }
.hero { position: relative; isolation: isolate; overflow: clip; background: var(--navy); color: white; }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -2; pointer-events: none; width: 26%; height: 135%; border: 1px solid #0f766e38; border-radius: 50%; background: repeating-radial-gradient(ellipse at center, transparent 0 8px, #0f766e12 9px 10px); transform: rotate(36deg); }
.hero::before { left: -18%; top: 8%; }
.hero::after { left: 39%; top: 38%; }
.hero-grid { display: grid; grid-template-columns: 46% 1fr; gap: 0; align-items: center; }
.hero-content { min-width: 0; padding-block: 54px 30px; }
h1 { font-size: clamp(42px, 4.3vw, 68px); font-weight: 750; letter-spacing: -.035em; }
.hero-tagline { margin-top: 12px; font-size: clamp(9px, 1vw, 13px); letter-spacing: .13em; color: #edf0f3; }
.hero-description { margin-top: 24px; max-width: 610px; color: #edf0f3; font-size: 18px; line-height: 1.55; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .actions { margin-top: 28px; flex-wrap: nowrap; gap: 24px; }
.hero .button { padding-inline: 22px; font-size: 16px; }
/* La photographie suit la hauteur du contenu et rejoint le bord du Hero.
   Sa découpe reste à droite de la colonne de texte. */
.hero-visual { position: absolute; inset: 0 0 0 50%; z-index: -1; overflow: hidden; background: var(--teal); clip-path: polygon(0 0, 100% 0, 100% 100%, 18% 100%); }
.hero-visual img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 76% 48%; clip-path: polygon(16px 0, 100% 0, 100% 100%, calc(18% + 32px) 100%); }
.strengths { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.strengths li { position: relative; }
.strengths li + li::before { content: ""; position: absolute; left: -17px; top: 50px; bottom: 2px; width: 1px; background: #ffffff26; }
.strengths svg { color: var(--gold); width: 36px; height: 36px; margin-bottom: 12px; display: block; }
.strengths strong { color: white; font-size: clamp(14px, 1.05vw, 17px); font-weight: 600; }
.strengths p { font-size: 15px; color: #dce3e9; line-height: 1.5; margin-top: 7px; }
.history { position: relative; isolation: isolate; overflow: clip; background: #fff; padding-block: 50px 42px; }
.history::before, .history::after { content: ""; position: absolute; pointer-events: none; z-index: -1; border-radius: 50%; }
.history::before { width: 480px; height: 480px; left: -290px; top: 80px; background: #d6a84f08; border: 1px solid #d6a84f0d; }
.history::after { width: 260px; height: 350px; right: -185px; top: 20px; border: 1px solid #d6a84f66; transform: rotate(-25deg); }
.history-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 13fr); gap: 48px; align-items: start; }
.history h2 { font-size: clamp(30px, 2.7vw, 46px); font-weight: 700; line-height: 1.15; }
.history .eyebrow { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; font-size: 13px; }
.history .eyebrow::after { content: ""; width: 42px; height: 2px; background: var(--gold); }
.history .gold-line { width: 58px; margin-top: 30px; }
.eyebrow { color: var(--teal); font-size: 11px; letter-spacing: .2em; font-weight: 750; margin-bottom: 20px; }
h2 { font-size: clamp(29px, 3vw, 40px); font-weight: 650; letter-spacing: -.035em; line-height: 1.25; }
.gold-line { display: block; width: 48px; height: 3px; background: var(--gold); margin-top: 27px; }
.history-copy { color: #465b73; line-height: 1.6; padding-left: 48px; border-left: 1px solid #0b1f331f; margin-top: 10px; }
.history-copy p + p { margin-top: 18px; }
.solutions { position: relative; isolation: isolate; overflow: clip; padding-block: 76px 56px; background: #f5f8f7; border-block: 1px solid #e9ece9; }
.solutions > .container { max-width: 1380px; width: calc(100% - 64px); }
.solutions::before, .solutions::after { content: ""; position: absolute; z-index: -1; pointer-events: none; width: 360px; height: 360px; border: 1px solid #d6a84f55; border-radius: 50%; box-shadow: 38px -70px 0 12px #0f766e05; background: radial-gradient(circle, #d6a84f40 1px, transparent 2px) center / 22px 22px no-repeat; }
.solutions::before { left: -210px; top: 120px; }
.solutions::after { right: -220px; bottom: -140px; }
.section-heading { margin: 0 0 40px; padding-inline: clamp(0px, 4vw, 64px); }
.solutions .eyebrow { display: flex; align-items: center; gap: 16px; font-size: 13px; letter-spacing: .04em; margin-bottom: 18px; }
.solutions .eyebrow::after { content: ""; width: 54px; height: 2px; background: var(--gold); }
.solutions h2 { font-size: clamp(29px, 3vw, 48px); font-weight: 700; line-height: 1.2; }
.section-heading > p:last-child { color: #56677c; font-size: 18px; margin-top: 18px; }
.services-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 1fr; gap: 28px; }
.service { display: grid; grid-template-rows: auto auto 1fr auto; min-width: 0; background: #fff; padding: 28px 30px; border: 1px solid #e3eaea; border-radius: 12px; box-shadow: 0 8px 24px #0b1f3304; transition: border-color .2s, box-shadow .2s; }
.service:hover { border-color: var(--gold); box-shadow: 0 10px 28px #d6a84f20; }
.service svg { color: var(--teal); width: 80px; height: 80px; padding: 20px; background: #edf7f5; border-radius: 18px; margin-bottom: 14px; }
.service h3 { font-size: clamp(20px, 1.6vw, 24px); font-weight: 700; margin-bottom: 10px; }
.service::after { content: ""; display: block; width: 54px; height: 3px; margin-top: 22px; background: var(--gold); }
h3 { font-size: 19px; font-weight: 650; margin-bottom: 13px; }
.service p { color: #56677c; font-size: 17px; line-height: 1.55; }
.contact { position: relative; isolation: isolate; overflow: clip; color: white; background: var(--navy); padding-block: 110px 80px; }
.contact::before, .contact::after { content: ""; position: absolute; pointer-events: none; z-index: -2; }
.contact::before { width: 320px; height: 330px; right: 4%; top: 40px; background: #0f766e24; clip-path: polygon(47% 0, 53% 0, 100% 100%, 75% 100%, 50% 31%, 25% 100%, 0 100%); }
.contact::after { width: 75%; height: 150%; top: -35%; right: 2%; border: 1px solid #d6a84f66; border-radius: 50%; transform: rotate(25deg); }
.contact-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 90px; align-items: center; }
.contact-grid, .site-footer > .container { max-width: 1380px; }
.contact-grid::before, .contact-grid::after { content: ""; position: absolute; z-index: -1; pointer-events: none; }
.contact-grid::before { width: 70%; height: 100%; left: -35%; top: 40%; border-radius: 50%; transform: rotate(35deg); background: repeating-radial-gradient(ellipse at center, transparent 0 12px, #0f766e26 13px 14px); }
.contact-grid::after { top: -50%; bottom: -50%; right: -12%; width: 100px; transform: skewX(-30deg); border-inline: 1px solid #0f766e55; background: #0f766e12; }
.contact .eyebrow { display: flex; align-items: center; gap: 24px; color: var(--gold); font-size: 13px; font-weight: 500; letter-spacing: .28em; margin-bottom: 24px; }
.contact .eyebrow::before { content: ""; width: 48px; height: 3px; flex-shrink: 0; background: var(--gold); }
.contact h2 { font-size: clamp(36px, 4.3vw, 64px); font-weight: 700; line-height: 1.12; letter-spacing: -.04em; }
.contact h2 span { color: var(--gold); }
.contact-description { margin-top: 30px; color: #e0e6ed; max-width: 580px; font-size: 20px; line-height: 1.6; }
.contact .gold-line { width: 64px; height: 3px; margin-top: 32px; }
.contact-reassurance { display: flex; justify-content: space-between; gap: 12px; list-style: none; padding: 0; margin: 32px 0 0; }
.contact-reassurance li { display: flex; align-items: center; gap: 10px; min-width: 0; }
.contact-reassurance svg { width: 44px; height: 44px; padding: 10px; border-radius: 10px; color: var(--gold); background: #ffffff08; }
.contact-reassurance span { color: #dce3e9; font-size: clamp(12px, .95vw, 14px); line-height: 1.6; }
.contact-reassurance strong { display: block; color: white; font-weight: 600; }
.contact-actions { position: relative; display: grid; gap: 22px; min-width: 0; }
.contact-actions::after { content: ""; position: absolute; right: -120px; bottom: 28px; width: 90px; height: 80px; background: radial-gradient(circle, #ffffff18 2px, transparent 3px) 0 0 / 20px 20px; pointer-events: none; z-index: -1; }
.contact-card { display: grid; grid-template-columns: 70px minmax(0, 1fr) 16px; align-items: center; gap: 20px; min-width: 0; min-height: 124px; padding: 22px 20px; border: 1px solid var(--gold); border-radius: 16px; background: #102638; transition: background-color .2s, box-shadow .2s; }
a.contact-card:hover { background: #163044; box-shadow: 0 5px 24px #d6a84f18; }
.contact-card:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
.contact-icon { display: grid; place-items: center; width: 70px; height: 70px; border-radius: 50%; background: #d6a84f20; color: var(--gold); }
.contact-icon svg { width: 36px; height: 36px; }
.contact-card-copy { min-width: 0; padding-left: 24px; border-left: 1px solid #ffffff20; }
.contact-card-copy strong { display: block; font-size: 20px; line-height: 1.3; font-weight: 600; }
.contact-value { display: block; margin-top: 7px; color: var(--gold); font-size: 19px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere; }
.contact-hint { display: block; margin-top: 4px; color: #c5cfd8; font-size: 14px; line-height: 1.5; }
.contact-arrow { color: var(--gold); font-size: 34px; line-height: 1; }
.contact-address { grid-template-columns: 70px minmax(0, 1fr); border-color: var(--teal); }
.contact-address .contact-icon { background: #0f766e26; }
.contact-address .contact-card-copy { border-color: #ffffff26; }
.contact-address .contact-value { color: #e0e6ed; font-size: 17px; font-weight: 400; }
.site-footer { color: white; background: var(--navy); border-top: 1px solid #ffffff26; padding-top: 36px; }
.footer-top { display: grid; grid-template-columns: minmax(0, .94fr) auto minmax(0, 1.06fr); gap: 32px; align-items: center; padding-bottom: 30px; }
.footer-top > .brand { justify-self: start; }
.footer-nav { color: #dce3e9; gap: 30px; white-space: nowrap; }
.footer-socials { display: flex; justify-self: end; gap: 14px; border-left: 1px solid #ffffff20; padding-left: 28px; }
.footer-socials a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: var(--gold); background: #d6a84f12; transition: background-color .2s; }
.footer-socials a:hover { background: #d6a84f26; }
.footer-socials svg { width: 20px; height: 20px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid #ffffff20; padding-block: 20px; color: #c5cfd8; }
.footer-bottom small { font-size: 12px; }
@media (max-width: 1100px) {
    .container { width: calc(100% - 64px); }
    .hero .button { padding-inline: 14px; gap: 8px; font-size: 13px; }
    .hero .actions { gap: 14px; }
    .strengths { gap: 20px; }
    .strengths li + li::before { left: -11px; }
    .main-nav { gap: 24px; }
    .history-grid { gap: 36px; }
    .history-copy { padding-left: 30px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-actions { max-width: 680px; }
    .contact-reassurance { max-width: 620px; flex-wrap: wrap; justify-content: flex-start; gap: 24px; }
    .footer-top { display: flex; flex-direction: column; align-items: flex-start; gap: 26px; }
    .footer-socials { padding-left: 0; border-left: 0; }
    .section-heading { padding-inline: 0; }
    .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
    .service { padding: 26px; }
}
@media (max-width: 1000px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-content { max-width: 680px; padding-block: 40px 32px; }
    .hero-visual { position: relative; inset: auto; z-index: auto; grid-column: 1; width: calc(100% + 64px); margin-inline: -32px; aspect-ratio: 16 / 9; clip-path: none; border-top: 5px solid var(--teal); }
    .hero-visual img { object-position: center; clip-path: none; }
    .hero .button { padding-inline: 20px; gap: 12px; font-size: 14px; }
}
@media (max-width: 850px) {
    :root { --header-height: 82px; }
    .header-inner { flex-wrap: wrap; gap: 0 20px; padding-block: 17px; }
    .main-nav { width: 100%; flex-wrap: wrap; padding-top: 18px; gap: 18px; }
    .js-menu .menu-toggle { display: block; }
    .js-menu .main-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; padding: 12px 20px 16px; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; background: var(--navy); border-block: 1px solid #ffffff26; box-shadow: 0 12px 24px #0b1f3333; }
    .js-menu .main-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
    .js-menu .main-nav a { min-height: 48px; padding: 12px 16px; text-underline-offset: 6px; }
    .js-menu .main-nav .button { margin-top: 8px; }
    h1 { font-size: clamp(40px, 7vw, 60px); }
    .hero-tagline { font-size: 11px; }
    .hero-description { max-width: 620px; }
    .section { padding-block: 76px; }
    .history { padding-block: 48px; }
    .history-grid { grid-template-columns: 1fr; gap: 32px; }
    .history-copy { max-width: 680px; padding-left: 0; border-left: 0; margin-top: 0; }
}
@media (min-width: 851px) {
    .menu-toggle { display: none; }
    .header-inner { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; }
    .header-inner > .brand { justify-self: start; }
    .main-nav { grid-column: 2; }
    .main-nav > .button { position: absolute; right: 0; }
}
@media (max-width: 540px) {
    .container { width: calc(100% - 40px); }
    .brand-name { font-size: 24px; }
    .site-header .brand-name { font-size: 24px; }
    .header-inner { gap: 0 12px; }
    .brand-tagline { font-size: 9px; letter-spacing: .02em; margin-top: 5px; }
    .menu-toggle { flex-shrink: 0; }
    .hero-content { padding-block: 28px 24px; }
    .hero-visual { width: calc(100% + 40px); margin-inline: -20px; aspect-ratio: 4 / 3; }
    .hero-tagline { font-size: 10px; letter-spacing: .04em; }
    .hero-description { font-size: 16px; margin-top: 18px; }
    .hero .actions { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 22px; }
    .strengths { gap: 12px; grid-template-columns: 1fr; margin-top: 22px; }
    .strengths li { display: grid; grid-template-columns: 32px 1fr; column-gap: 14px; align-items: start; }
    .strengths li + li::before { display: none; }
    .strengths svg { grid-row: 1 / 3; width: 28px; height: 28px; margin: 2px 0 0; }
    .strengths p { grid-column: 2; font-size: 14px; margin-top: 2px; }
    .section { padding-block: 44px; }
    .history { padding-block: 40px; }
    .history-grid { gap: 24px; }
    .history h2 { font-size: clamp(28px, 6vw, 30px); }
    .history .gold-line { margin-top: 20px; }
    .history-copy p + p { margin-top: 14px; }
    .services-grid { grid-template-columns: 1fr; grid-auto-rows: auto; gap: 12px; }
    .solutions > .container { width: calc(100% - 40px); }
    .solutions::before, .solutions::after { display: none; }
    .section-heading { margin-bottom: 24px; }
    .section-heading > p:last-child { font-size: 16px; }
    .service { grid-template-columns: 44px minmax(0, 1fr); grid-template-rows: auto 1fr; gap: 6px 12px; padding: 16px 14px; }
    .service svg { grid-row: 1 / 3; width: 44px; height: 44px; padding: 10px; margin: 0; border-radius: 10px; }
    .service h3 { margin: 0; font-size: 18px; }
    .service p { grid-column: 2; font-size: 15px; line-height: 1.5; }
    .service::after { content: none; }
    .contact-grid { gap: 28px; }
    .contact .eyebrow { gap: 14px; font-size: 11px; letter-spacing: .2em; margin-bottom: 18px; }
    .contact-description { font-size: 17px; margin-top: 20px; }
    .contact .gold-line { margin-top: 22px; }
    .contact-reassurance { gap: 14px 20px; margin-top: 22px; }
    .contact-actions { gap: 14px; }
    .contact-card { grid-template-columns: 36px minmax(0, 1fr) 10px; gap: 8px; min-height: 104px; padding: 16px 12px; border-radius: 12px; }
    .contact-icon { width: 36px; height: 36px; }
    .contact-icon svg { width: 26px; height: 26px; }
    .contact-card-copy { padding-left: 8px; }
    .contact-card-copy strong { font-size: 18px; }
    .contact-value, .contact-address .contact-value { font-size: 15px; }
    .contact-address { grid-template-columns: 36px minmax(0, 1fr); }
    .contact::before { opacity: .4; }
    .contact::after, .contact-grid::before, .contact-grid::after, .contact-actions::after { display: none; }
    .site-footer { padding-top: 26px; }
    .footer-top { gap: 18px; padding-bottom: 18px; }
    .footer-nav { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 16px; }
    .footer-nav a { display: flex; align-items: center; min-height: 44px; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}