:root {
  --navy: #0F2340; --navy-2: #1a3358; --brass: #B08D57; --brass-dark: #8a6b3d;
  --ink: #16202e; --muted: #5b6575; --bg: #fff; --bg-alt: #F4F5F7; --line: #e3e6eb;
  --red: #b4492f; --green: #3f7d5c;
  --head: "Montserrat", "Segoe UI", Arial, sans-serif;
  --body: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --wrap: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font: 16px/1.65 var(--body); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--head); font-weight: 600; line-height: 1.2; margin: 0 0 .6em; color: var(--navy); }
h1 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.06rem; }
p { margin: 0 0 1em; }
.eyebrow { font: 600 .74rem var(--head); letter-spacing: .2em; text-transform: uppercase; color: var(--brass); margin-bottom: .8rem; }
.lead { font-size: 1.12rem; max-width: 40em; }
.lead-dark { font-size: 1.08rem; color: var(--ink); }
.small { font-size: .84rem; color: var(--muted); }
.mt { margin-top: 1.8rem; }
.more { font: 600 .85rem var(--head); color: var(--brass-dark); text-decoration: none; }
.more:hover { color: var(--navy); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 36px; height: 36px; flex: none; display: grid; place-items: center; background: var(--navy); color: var(--brass); font: 700 1.2rem var(--head); border-radius: 3px; }
.logo-text { font: 700 1.02rem var(--head); letter-spacing: .12em; color: var(--navy); white-space: nowrap; }
.logo-text em { font-style: normal; color: var(--brass); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font: 500 .88rem var(--head); color: var(--ink); }
.nav a:hover, .nav a[aria-current] { color: var(--brass-dark); }
.nav .nav-cta { background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 3px; }
.nav .nav-cta:hover { background: var(--brass); color: #fff; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--navy); transition: transform .25s; }
.menu-toggle span:first-child { top: 16px; } .menu-toggle span:last-child { top: 24px; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Buttons */
.btn { display: inline-block; padding: 14px 24px; text-decoration: none; font: 600 .9rem var(--head); border-radius: 3px; border: 0; cursor: pointer; transition: background .2s, color .2s; }
.btn-sm { padding: 10px 16px; font-size: .82rem; margin-top: 8px; }
.btn-primary { background: var(--brass); color: #fff; }
.btn-primary:hover { background: var(--brass-dark); }
.btn-ghost { border: 1px solid rgba(255,255,255,.65); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); }

/* Hero & page heads */
.hero { position: relative; color: #e6ebf2; padding-block: clamp(90px, 13vw, 160px); background: var(--navy); overflow: hidden; }
.hero-bg, .page-head.has-bg::before { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,35,64,.96) 0%, rgba(15,35,64,.8) 55%, rgba(15,35,64,.5) 100%), var(--bg) center/cover no-repeat; content: ""; }
.hero-inner { position: relative; }
.hero h1 { color: #fff; max-width: 18em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }
.page-head { position: relative; background: var(--navy); color: #d5dce7; padding-block: clamp(56px, 8vw, 96px); }
.page-head .wrap { position: relative; }
.page-head h1 { color: #fff; max-width: 22em; }
.page-head .lead { margin-bottom: 0; }
.crumbs { font-size: .8rem; margin-bottom: 1.4rem; color: #aeb9c9; }
.crumbs a { color: #d5dce7; }

/* Sections */
.section { padding-block: clamp(56px, 8vw, 100px); }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--navy); color: #cfd7e3; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; margin-bottom: 1.6rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.split-top { align-items: start; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: clamp(22px, 3vw, 34px); }
.section-alt .panel { border-color: transparent; }

/* Lists */
.checks, .dash { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 10px; }
.checks li, .dash li { padding-left: 28px; position: relative; }
.checks li::before { content: ""; position: absolute; left: 2px; top: .4em; width: 14px; height: 8px; border-left: 2px solid var(--brass); border-bottom: 2px solid var(--brass); transform: rotate(-45deg); }
.dash li::before { content: ""; position: absolute; left: 0; top: .75em; width: 14px; height: 2px; background: var(--brass); }

/* Needs */
.needs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 2rem; }
.need { display: flex; flex-direction: column; text-decoration: none; border: 1px solid var(--line); border-radius: 6px; padding: 26px 24px; transition: border-color .2s, box-shadow .2s, transform .2s; }
.need:hover { border-color: var(--brass); box-shadow: 0 12px 28px rgba(15,35,64,.08); transform: translateY(-2px); }
.need-num { font: 700 .85rem var(--head); color: var(--brass); margin-bottom: .8rem; }
.need p { color: var(--muted); font-size: .93rem; flex: 1; }
.need .more { font-size: 1.2rem; }

/* Obligations block */
.alert-line { border-left: 3px solid var(--brass); padding: 10px 14px; background: rgba(176,141,87,.12); color: inherit; border-radius: 0 4px 4px 0; }
.regl-links { display: grid; gap: 14px; }
.regl-links a { display: block; text-decoration: none; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15); border-radius: 6px; padding: 20px 22px; transition: background .2s; }
.regl-links a:hover { background: rgba(255,255,255,.12); }
.regl-links strong { display: block; color: #fff; font-family: var(--head); margin-bottom: 4px; }
.regl-links span { color: var(--brass); font-size: .9rem; }

/* Service cards */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc-grid.three { grid-template-columns: repeat(3, 1fr); }
.svc-card { display: flex; flex-direction: column; text-decoration: none; background: #fff; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); transition: box-shadow .2s, transform .2s; }
.svc-card:hover { box-shadow: 0 12px 28px rgba(15,35,64,.1); transform: translateY(-2px); }
.svc-card img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.svc-card div { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.svc-card p { color: var(--muted); font-size: .9rem; flex: 1; }

/* Case cards */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case-card { text-decoration: none; display: flex; flex-direction: column; border-radius: 6px; overflow: hidden; background: var(--navy); color: #fff; transition: transform .2s; }
.case-card:hover { transform: translateY(-3px); }
.case-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; opacity: .9; }
.case-card div { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.case-card h3 { color: #fff; font-size: 1rem; flex: 1; }
.case-card .more { color: var(--brass); }
.tag { font: 600 .7rem var(--head); text-transform: uppercase; letter-spacing: .1em; color: var(--brass); margin-bottom: .5rem; }
.fict { margin-top: 1rem; }
.fict-banner { background: #fff8ec; border: 1px solid #ecdcbf; border-radius: 6px; padding: 14px 18px; font-size: .88rem; color: #6b5532; margin-bottom: 2rem; }

/* Method */
.method { list-style: none; counter-reset: m; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.method li { counter-increment: m; background: #fff; border-radius: 6px; padding: 24px 20px; position: relative; }
.method li::before { content: counter(m); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: var(--brass); font: 700 1rem var(--head); margin-bottom: 12px; }
.method strong { display: block; font-family: var(--head); color: var(--navy); margin-bottom: 4px; }
.method span { color: var(--muted); font-size: .9rem; }
.method-v { grid-template-columns: 1fr; gap: 10px; margin-top: 1rem; }
.method-v li { display: grid; grid-template-columns: 38px 1fr; gap: 14px; align-items: center; padding: 12px 16px; border: 1px solid var(--line); }
.method-v li::before { margin: 0; }
.section-alt .method-v li { border-color: transparent; }

/* Tiles, chips, notes */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 1.4rem; }
.tiles.three { grid-template-columns: repeat(3, 1fr); }
.tile { border-top: 3px solid var(--brass); background: #fff; padding: 20px; border-radius: 0 0 6px 6px; }
.tile p { color: var(--muted); font-size: .9rem; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.2rem; }
.regl-chip { text-decoration: none; font: 600 .84rem var(--head); color: var(--navy); border: 1px solid var(--line); background: #fff; padding: 9px 14px; border-radius: 30px; }
.regl-chip:hover { border-color: var(--brass); color: var(--brass-dark); }
.note { border-left: 3px solid var(--brass); background: var(--bg-alt); padding: 12px 16px; font-size: .9rem; border-radius: 0 4px 4px 0; margin-top: 1.2rem; }
.section-alt .note { background: #fff; }
blockquote.key { margin: 0 0 1rem; font: 600 clamp(1.2rem, 2.4vw, 1.6rem)/1.35 var(--head); color: var(--navy); border-left: 4px solid var(--brass); padding-left: 20px; }

.gallery { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; margin-bottom: 2.4rem; }
.gallery img { width: 100%; height: 220px; object-fit: cover; border-radius: 6px; }
@media (max-width: 600px) { .gallery { grid-template-columns: 1fr 1fr; } .gallery img:first-child { grid-column: 1 / -1; } .gallery img { height: 160px; } }

/* Illustrations & tables */
.illus { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.illus svg { width: 100%; height: auto; display: block; }
.illus.wide { margin: 1.5rem 0; }
.keyfacts { background: var(--navy); color: #cfd7e3; border-radius: 6px; padding: 28px; }
.keyfacts h3 { color: #fff; }
.keyfacts .big { font: 700 2rem var(--head); color: var(--brass); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 6px; overflow: hidden; font-size: .93rem; }
caption { text-align: left; font: 600 .9rem var(--head); color: var(--navy); padding-bottom: 8px; }
th, td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; }
th { background: var(--navy); color: #fff; font: 600 .82rem var(--head); }
.sources { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 24px 26px; }
.sources ul { padding-left: 1.1rem; margin: 0 0 1rem; }
.sources a { color: var(--navy); }
.verif { font: 600 .82rem var(--head); color: var(--brass-dark); }

/* CTA band */
.cta-band { background: var(--brass); color: #fff; padding-block: 34px; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.cta-inner p { margin: 0; font: 600 1.1rem var(--head); max-width: 40em; }
.cta-band .btn-primary { background: var(--navy); }
.cta-band .btn-primary:hover { background: var(--navy-2); }

/* Form */
.form-box { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.15); border-radius: 6px; padding: clamp(20px, 3vw, 32px); }
.form-box.light { background: #fff; border-color: var(--line); }
.contact-form { display: grid; gap: 14px; }
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: grid; gap: 6px; font: 600 .82rem var(--head); }
.section-dark .contact-form label { color: #fff; }
.opt { font-weight: 400; color: var(--muted); }
.section-dark .opt, .section-dark .small { color: #aeb9c9; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; font: 400 .95rem var(--body); padding: 12px 14px; border: 1px solid #cdd3dc; border-radius: 4px; background: #fff; color: var(--ink); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--brass); outline: none; box-shadow: 0 0 0 3px rgba(176,141,87,.25); }
.contact-form .btn { justify-self: start; }
.form-msg { margin: 0; font-weight: 600; }
.form-msg.err { color: var(--red); }
.section-dark .form-msg.err { color: #f0a08a; }
.mail { font: 600 1.2rem var(--head); color: #fff; text-decoration: none; border-bottom: 1px solid var(--brass); }
.mail.dark { color: var(--navy); }

/* News & article */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; }
.news-img img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.news-body { padding: 22px; }
.news-body time { font: 600 .74rem var(--head); color: var(--brass-dark); text-transform: uppercase; letter-spacing: .08em; }
.news-body h3 { margin-top: .5rem; }
.news-body h3 a { text-decoration: none; }
.news-body p { color: var(--muted); font-size: .9rem; margin: 0; }
.article { max-width: 760px; margin: 0 auto; padding: clamp(48px, 8vw, 90px) 24px; }
.article .meta { font: 600 .78rem var(--head); color: var(--brass-dark); text-transform: uppercase; letter-spacing: .08em; }
.article h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: .6rem; }
.article h2 { font-size: 1.35rem; margin-top: 2rem; }
.article .cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 4px; margin: 1.5rem 0 2rem; }
.article .keybox { background: var(--bg-alt); border-left: 3px solid var(--brass); padding: 20px 24px; margin: 1.5rem 0; }
.article .keybox ul { margin: 0; padding-left: 1.1rem; }
.article .sources { font-size: .85rem; color: var(--muted); border: 0; border-top: 1px solid var(--line); border-radius: 0; margin-top: 2.5rem; padding: 1rem 0 0; }

/* Legal & footer */
.legal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.legal-grid p { font-size: .9rem; color: var(--muted); }
.site-footer { background: #0b1a30; color: #aeb9c9; padding-top: 56px; font-size: .88rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1.2fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; }
.site-footer a { display: block; text-decoration: none; color: #aeb9c9; margin-bottom: 6px; }
.site-footer a:hover { color: #fff; }
.site-footer .logo-text { color: #fff; }
.site-footer .logo { margin-bottom: 12px; }
.site-footer .btn { display: inline-block; color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255,255,255,.1); padding-block: 20px; }
.footer-bottom a { display: inline; }

/* Responsive */
@media (max-width: 1100px) {
  .svc-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .method { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .menu-toggle { display: block; }
  .nav { position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 6px 24px 18px; display: none; max-height: calc(100vh - 74px); overflow-y: auto; }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
  .nav .nav-cta { text-align: center; margin-top: 12px; border-bottom: 0; }
  .split { grid-template-columns: 1fr; }
  .needs, .tiles.three, .svc-grid.three, .news, .legal-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .needs, .svc-grid, .svc-grid.three, .case-grid, .method, .tiles, .tiles.three, .news, .legal-grid, .footer-grid, .contact-form .row { grid-template-columns: 1fr; }
  .logo-text { font-size: .92rem; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* Références */
.case-card .typo { font-size: .8rem; color: #aeb9c9; margin: -.2rem 0 .8rem; }
.typo-line { font-size: .9rem; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: .8rem; margin-bottom: 1.4rem; }
.photo { margin: 0; } .photo img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 6px; }
.foot-note { font-size: .78rem; color: var(--muted); margin-top: 1.6rem; font-style: italic; }