:root {
  --navy-950: #041326;
  --navy-900: #071b33;
  --navy-800: #0c2a4b;
  --blue-600: #1c69b0;
  --blue-500: #2b78c5;
  --blue-400: #57a0e5;
  --steel-700: #3f4d5d;
  --steel-500: #687789;
  --steel-200: #d8dfe6;
  --steel-100: #edf1f5;
  --white: #fff;
  --ink: #0b1b2d;
  --font-display: "Manrope", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font: 400 1rem/1.65 var(--font-body); background: #fff; }
body.menu-open { overflow: hidden; }
section[id], article[id] { scroll-margin-top: 215px; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; left: 1rem; top: -5rem; padding: .75rem 1rem; background: #fff; color: var(--navy-900); }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.trust-bar { height: 46px; display: grid; place-items: center; padding: 0 1rem; color: #fff; background: #617989; font-size: .95rem; letter-spacing: .02em; text-align: center; }
.site-header { position: sticky; z-index: 100; top: 0; color: var(--navy-900); background: #fff; box-shadow: 0 6px 24px rgba(7,27,51,.08); }
.nav-wrap { position: relative; height: 196px; display: flex; align-items: center; justify-content: flex-end; gap: 2rem; }
.brand { display: inline-flex; align-items: center; }
.site-header .nav-wrap > .brand { position: absolute; left: 0; top: 10px; }
.brand-logo-wrap { position: relative; display: block; width: 420px; height: 180px; overflow: hidden; background: #fff; }
.brand-logo { display: block; width: 100%; height: 100%; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 2rem; font-size: .94rem; font-weight: 600; }
.main-nav a { transition: color .2s; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--blue-600); }
.nav-dropdown { position: relative; }
.nav-dropdown summary { display: flex; align-items: center; gap: .4rem; cursor: pointer; list-style: none; }
.nav-dropdown summary::-webkit-details-marker { display: none; }
.nav-dropdown summary span { color: var(--blue-600); transition: transform .2s; }
.nav-dropdown[open] summary span { transform: rotate(180deg); }
.nav-submenu { position: absolute; z-index: 10; top: calc(100% + 1rem); left: 50%; width: 205px; padding: .55rem; background: #fff; box-shadow: 0 16px 42px rgba(7,27,51,.18); transform: translateX(-50%); }
.nav-submenu::before { content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 1rem; }
.nav-submenu a { display: block; padding: .75rem .85rem; }
.nav-submenu a:hover, .nav-submenu a:focus-visible { background: var(--steel-100); }
.nav-cta { padding: .72rem 1.1rem; border: 1px solid var(--steel-200); }
.header-contact { display: none; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--blue-600); }

.hero { position: relative; min-height: 690px; display: grid; align-items: center; overflow: hidden; color: #fff; background: linear-gradient(125deg, #536d7d 0%, #27465c 56%, #0b2943 100%); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,19,38,.7), rgba(4,19,38,.18) 58%, transparent); }
.hero-visual { position: absolute; width: min(56vw, 720px); aspect-ratio: 1; right: -4vw; top: 50%; transform: translateY(-50%); }
.hero-media { position: absolute; inset: 11%; z-index: 2; border-radius: 50%; background: url("assets/hero-industrie.png") 68% center / cover no-repeat; box-shadow: 0 28px 70px rgba(0,0,0,.32); }
.orbit { position: absolute; border-radius: 50%; border: 44px solid rgba(43,120,197,.88); }
.orbit-one { inset: 2%; border-left-color: #43a8e8; transform: rotate(-18deg); }
.orbit-two { inset: 0; border-width: 2px; border-color: rgba(255,255,255,.22); }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 110px; background: linear-gradient(transparent, rgba(3,15,29,.54)); }
.hero-inner { position: relative; z-index: 3; }
.hero-content { width: min(720px, 68%); }
.eyebrow, .section-label { margin: 0 0 1.4rem; color: var(--blue-600); font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .8rem; color: #a9c9e9; }
.eyebrow span { display: inline-block; width: 34px; height: 2px; background: var(--blue-500); }
h1, h2, h3 { margin-top: 0; font-family: var(--font-display); line-height: 1.1; }
h1 { margin-bottom: 1.5rem; font-size: clamp(3.1rem, 6vw, 5.75rem); letter-spacing: -.055em; }
h1 em { color: var(--blue-400); font-style: normal; }
.hero-lead { max-width: 650px; margin: 0 0 2.2rem; color: #d4dee8; font-size: 1.18rem; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { min-height: 51px; display: inline-flex; align-items: center; justify-content: center; gap: 1.5rem; padding: .8rem 1.35rem; border: 1px solid transparent; cursor: pointer; font-weight: 700; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue-600); }
.button-primary:hover, .button-primary:focus-visible { background: var(--blue-500); }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.03); }
.button-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 650px; margin-top: 3.6rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.18); }
.hero-proof div { display: flex; flex-direction: column; padding-right: 1rem; }
.hero-proof strong { font-family: var(--font-display); font-size: 1rem; }
.hero-proof span { color: #9caaba; font-size: .8rem; }

.statement { padding: 115px 0; background: #fff; }
.statement-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(3rem, 8vw, 7rem); align-items: start; }
.statement h2 { margin: 0; max-width: 690px; font-size: clamp(2.25rem, 4.4vw, 4rem); letter-spacing: -.045em; }
.statement-copy { padding-top: 2.4rem; color: var(--steel-700); font-size: 1.08rem; }
.statement-copy p:first-child { margin-top: 0; }
.signature-line { margin-top: 2rem; padding: 1.25rem 0 1.25rem 1.35rem; border-left: 3px solid var(--blue-500); color: var(--navy-900); font-weight: 700; }

.divisions { padding: 110px 0 125px; background: var(--steel-100); }
.divisions .section-heading { align-items: end; }
.divisions .section-heading h2, .design-services .section-heading h2 { margin-bottom: 0; color: var(--navy-900); font-size: clamp(2.5rem, 4.8vw, 4.6rem); letter-spacing: -.05em; }
.divisions .section-heading > p, .design-services .section-heading > p { color: var(--steel-700); }
.division-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.division-card { position: relative; min-height: 390px; display: flex; flex-direction: column; padding: 2.4rem; border-top: 4px solid var(--blue-600); background: #fff; box-shadow: 0 18px 45px rgba(7,27,51,.08); transition: transform .25s, box-shadow .25s; }
.division-card:hover { transform: translateY(-5px); box-shadow: 0 25px 55px rgba(7,27,51,.13); }
.division-tag { margin-bottom: 3rem; color: var(--blue-600); font: 700 .78rem var(--font-display); letter-spacing: .14em; text-transform: uppercase; }
.division-card h3 { margin-bottom: 1.2rem; color: var(--navy-900); font-size: 1.75rem; }
.division-card p { margin: 0 0 2rem; color: var(--steel-700); }
.division-card a { margin-top: auto; color: var(--blue-600); font-weight: 700; }
.division-card a span { margin-left: .5rem; }

.section-dark { color: #fff; background: var(--navy-900); }
.services { padding: 110px 0 125px; }
.section-heading { display: flex; justify-content: space-between; gap: 3rem; align-items: end; margin-bottom: 4rem; }
.section-heading h2, .approach h2, .contact h2 { margin-bottom: 0; font-size: clamp(2.5rem, 4.8vw, 4.6rem); letter-spacing: -.05em; }
.section-heading > p { max-width: 430px; margin: 0 0 .45rem; color: #aebac7; }
.section-label.light { color: var(--blue-400); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-left: 1px solid rgba(255,255,255,.14); }
.service-card { position: relative; min-height: 410px; padding: 2.2rem; border-right: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); overflow: hidden; transition: background .25s; }
.service-card:hover { background: rgba(43,120,197,.1); }
.service-number { position: absolute; top: 1.7rem; right: 2rem; color: #617287; font: 600 .8rem var(--font-display); }
.service-icon { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 3.2rem; border: 1px solid rgba(87,160,229,.45); color: var(--blue-400); font-size: 1.55rem; }
.service-card h3 { margin-bottom: 1rem; font-size: 1.55rem; }
.service-card p { max-width: 490px; color: #b8c4cf; }
.service-card ul { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; margin: 1.6rem 0 0; padding: 0; list-style: none; color: #dce5ed; font-size: .85rem; }
.service-card li::before { content: "+"; margin-right: .4rem; color: var(--blue-400); }

.design-services { padding: 115px 0 125px; background: #fff; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--steel-200); border: 1px solid var(--steel-200); }
.capability-card { min-height: 350px; padding: 2.2rem; background: #fff; }
.capability-card > span { display: inline-grid; width: 44px; height: 44px; place-items: center; margin-bottom: 2.4rem; color: #fff; background: var(--navy-900); font: 700 .75rem var(--font-display); }
.capability-card h3 { margin-bottom: 1rem; color: var(--navy-900); font-size: 1.45rem; }
.capability-card p { color: var(--steel-700); }
.capability-card ul { margin: 1.5rem 0 0; padding: 0; list-style: none; color: var(--steel-700); font-size: .88rem; }
.capability-card li { padding: .35rem 0; border-bottom: 1px solid var(--steel-100); }
.capability-card li::before { content: "+"; margin-right: .5rem; color: var(--blue-600); font-weight: 700; }

.approach { padding: 125px 0; background: var(--steel-100); }
.approach-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(4rem, 9vw, 8rem); }
.approach-intro { position: sticky; top: 3rem; align-self: start; }
.approach h2 { margin-bottom: 2rem; }
.approach h2 span { color: var(--blue-600); }
.approach-intro > p:last-child { max-width: 430px; color: var(--steel-700); }
.steps { margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 70px 1fr; gap: 1.4rem; padding: 2rem 0; border-bottom: 1px solid #c8d0d8; }
.steps li:first-child { padding-top: .4rem; }
.steps > li > span { color: var(--blue-600); font: 700 .8rem var(--font-display); letter-spacing: .15em; }
.steps h3 { margin: 0 0 .65rem; font-size: 1.45rem; }
.steps p { margin: 0; color: var(--steel-700); }

.difference { padding: 115px 0; color: #fff; background: linear-gradient(115deg, var(--navy-950), var(--navy-800)); overflow: hidden; }
.difference-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; }
.difference-quote { position: relative; min-height: 360px; display: flex; align-items: center; padding: 3rem; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.035); }
.difference-quote::after { content: ""; position: absolute; width: 210px; height: 210px; right: -75px; bottom: -75px; border: 38px solid rgba(43,120,197,.25); border-radius: 50%; }
.quote-mark { position: absolute; left: 2rem; top: 1rem; color: var(--blue-500); font: 700 5rem/1 Georgia,serif; }
blockquote { position: relative; z-index: 1; margin: 0; font: 500 clamp(1.8rem, 3.5vw, 3.15rem)/1.25 var(--font-display); letter-spacing: -.04em; }
blockquote strong { color: var(--blue-400); }
.difference-copy h2 { margin-bottom: 1.4rem; font-size: clamp(2.2rem, 4vw, 3.75rem); letter-spacing: -.045em; }
.difference-copy > p:not(.section-label) { color: #bac7d3; }
.credential { display: flex; gap: 1rem; align-items: flex-start; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.15); }
.credential > span { width: 30px; height: 30px; flex: 0 0 30px; display: grid; place-items: center; border-radius: 50%; background: var(--blue-600); }
.credential p { margin: 0; color: #c9d3dc; font-size: .9rem; }
.credential strong { color: #fff; font-size: 1rem; }

.contact { padding: 110px 0; background: #fff; }
.contact-panel { display: grid; grid-template-columns: 1.15fr .85fr; gap: 6vw; padding: clamp(2.5rem, 6vw, 5rem); color: #fff; background: var(--navy-900); box-shadow: 0 24px 70px rgba(7,27,51,.18); }
.contact h2 { max-width: 680px; }
.contact-panel > div:first-child > p:last-child { max-width: 600px; color: #bdc8d3; }
.contact-card { padding: 2.3rem; color: var(--ink); background: #fff; }
.contact-kicker { margin: 0 0 1rem; color: var(--blue-600); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .15em; }
.contact-card h3 { margin-bottom: .8rem; font-size: 1.65rem; }
.contact-card > p:not(.contact-kicker) { color: var(--steel-700); }
.contact-button { width: 100%; margin: 1rem 0 .8rem; }
.copy-email { width: 100%; min-height: 46px; margin-bottom: .8rem; border: 1px solid var(--steel-200); color: var(--navy-900); background: #fff; cursor: pointer; font-weight: 700; }
.copy-email:hover, .copy-email:focus-visible { border-color: var(--blue-600); color: var(--blue-600); }
.contact-card small { display: block; color: var(--steel-500); line-height: 1.45; }

footer { padding: 35px 0; color: #afbbc7; background: var(--navy-950); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.footer-brand .brand-logo-wrap { width: 230px; height: 92px; box-shadow: none; background: transparent; }
.footer-inner > p { margin: 0; font-size: .78rem; }
.notice { position: fixed; z-index: 50; left: 50%; bottom: 1.5rem; transform: translate(-50%, 150%); max-width: calc(100% - 2rem); padding: .9rem 1.2rem; color: #fff; background: var(--navy-950); box-shadow: 0 12px 30px rgba(0,0,0,.25); transition: transform .3s; }
.notice.visible { transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  section[id], article[id] { scroll-margin-top: 165px; }
  .container { width: min(100% - 32px, 1180px); }
  .nav-wrap { height: 148px; justify-content: space-between; }
  .site-header .nav-wrap > .brand { left: 50%; top: 7px; transform: translateX(-50%); }
  .site-header .brand-logo-wrap { width: 310px; height: 134px; }
  .menu-toggle { display: block; }
  .header-contact { display: flex; flex-direction: column; align-items: center; gap: .05rem; margin-left: auto; color: var(--blue-600); font-size: .7rem; font-weight: 700; }
  .header-contact span:first-child { font-size: 1.3rem; }
  .main-nav { position: absolute; top: 100%; left: 50%; width: 100vw; height: calc(100vh - 148px); display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 2rem 1.5rem; overflow-y: auto; color: #fff; background: rgba(4,19,38,.98); transform: translateX(50%); transition: transform .25s; }
  .main-nav.open { transform: translateX(-50%); }
  .main-nav a { padding: 1.1rem 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 1.15rem; }
  .nav-dropdown summary { justify-content: space-between; padding: 1.1rem 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 1.15rem; }
  .nav-submenu { position: static; width: auto; padding: 0 0 0 1rem; background: transparent; box-shadow: none; transform: none; }
  .nav-submenu::before { display: none; }
  .nav-submenu a { color: #c8d4df; }
  .nav-submenu a:hover, .nav-submenu a:focus-visible { color: #fff; background: transparent; }
  .nav-cta { border: 0; }
  .hero { min-height: 760px; }
  .hero-visual { width: 620px; right: -280px; opacity: .54; }
  .hero-shade { background: linear-gradient(90deg, rgba(3,15,29,.94), rgba(4,19,38,.55)); }
  .hero-content { width: 90%; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .division-grid { grid-template-columns: 1fr; }
  .division-card { min-height: 300px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .statement-grid, .approach-grid, .difference-inner, .contact-panel { grid-template-columns: 1fr; }
  .statement-copy { padding-top: 0; }
  .approach-intro { position: static; }
  .difference-inner { gap: 4rem; }
  .footer-inner { flex-wrap: wrap; }
}

@media (max-width: 650px) {
  .trust-bar { height: 52px; font-size: .86rem; }
  .site-header .brand-logo-wrap { width: 250px; height: 106px; }
  .hero { min-height: 760px; }
  .hero-inner { padding-top: 0; }
  .hero-visual { width: 560px; right: -330px; }
  .hero-content { width: 100%; }
  h1 { font-size: clamp(2.85rem, 14vw, 4.5rem); }
  .hero-lead { font-size: 1.02rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-proof { margin-top: 2.4rem; gap: 1rem; }
  .hero-proof span { display: none; }
  .statement, .divisions, .services, .design-services, .approach, .difference, .contact { padding: 78px 0; }
  .section-heading { display: block; margin-bottom: 2.5rem; }
  .section-heading > p { margin-top: 1rem; }
  .service-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 2rem 1.5rem; }
  .service-icon { margin-bottom: 2.2rem; }
  .difference-quote { min-height: 300px; padding: 2rem; }
  .contact-panel { width: 100%; padding: 2rem 1.25rem; }
  .contact-card { padding: 1.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
