:root {
  --ink: #071a31;
  --ink-2: #0b2d56;
  --paper: #f3f6f8;
  --white: #ffffff;
  --muted: #98aabd;
  --slate: #526273;
  --line: rgba(255, 255, 255, 0.13);
  --cyan: #0096ff;
  --cyan-dark: #0079cf;
  --green: #68efc2;
  --shadow: 0 26px 70px rgba(1, 10, 20, 0.18);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: var(--cyan); color: var(--ink); padding: 10px 16px; border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 12px; }
.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; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 40; background: rgba(6, 17, 29, 0.8); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: border-color .25s, background .25s; }
.site-header.scrolled { border-color: var(--line); background: rgba(6, 17, 29, 0.94); }
.nav-shell { width: min(1160px, calc(100% - 40px)); height: 82px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; gap: 10px; align-items: center; font-size: 20px; letter-spacing: .08em; font-weight: 500; }
.brand strong { color: var(--cyan); }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(58,214,255,.35); border-radius: 11px; background: rgba(58,214,255,.07); }
.brand-mark svg { width: 28px; fill: none; stroke: var(--cyan); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.site-nav { display: flex; gap: 34px; align-items: center; color: #c9d4df; font-size: 14px; font-weight: 650; }
.site-nav a:not(.button):hover { color: var(--cyan); }
.nav-toggle { display: none; }

.button { min-height: 52px; padding: 0 23px; border: 0; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: linear-gradient(135deg, var(--cyan), #72e8ff); color: #041018; font-weight: 800; cursor: pointer; box-shadow: 0 11px 30px rgba(58,214,255,.16); transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 15px 36px rgba(58,214,255,.25); }
.button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(58,214,255,.55); outline-offset: 3px; }
.button-small { min-height: 43px; padding-inline: 18px; font-size: 13px; }
.button-ghost { color: var(--white); background: transparent; border: 1px solid var(--line); box-shadow: none; }

.section-dark { background: var(--ink); }
.hero { min-height: 760px; padding-top: 82px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 650px; height: 650px; right: -180px; top: 30px; background: radial-gradient(circle, rgba(24,150,205,.18), transparent 67%); pointer-events: none; }
.signal-field { position: absolute; inset: 0; opacity: .19; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(to bottom, #000 20%, transparent 95%); }
.hero-grid { min-height: 610px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 80px; position: relative; z-index: 1; }
.eyebrow { margin: 0 0 18px; color: var(--cyan); font-size: 12px; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 24px; height: 1px; margin: 0 8px 4px 0; background: var(--cyan); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; max-width: 730px; font-size: clamp(48px, 5.8vw, 77px); line-height: .98; letter-spacing: -.052em; font-weight: 770; }
h1 em { display: block; color: var(--cyan); font-style: normal; font-weight: 420; }
.hero-lead { max-width: 660px; margin: 28px 0 32px; color: #aebdcb; font-size: 18px; line-height: 1.72; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link { color: #d5e0e9; font-weight: 700; font-size: 14px; }
.text-link span { margin-left: 6px; color: var(--cyan); }
.field-photo { min-height: 460px; position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid rgba(0,150,255,.28); border-radius: 28px; background-image: url('assets/2mlink-univers-marque.png'); background-repeat: no-repeat; overflow: hidden; box-shadow: 0 40px 110px rgba(0,0,0,.3), inset 0 1px rgba(255,255,255,.08); }
.field-photo-tower { background-size: 455% auto; background-position: 100% 0%; }
.photo-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(3,17,33,.05) 20%, rgba(3,17,33,.15) 52%, rgba(3,17,33,.94) 100%); }
.photo-topline { position: relative; z-index: 1; display: flex; justify-content: space-between; color: #d8e6f2; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; text-shadow: 0 1px 8px rgba(0,0,0,.35); }
.photo-caption { position: relative; z-index: 1; margin-top: auto; padding: 0 0 20px; }
.photo-caption small { display: block; max-width: 290px; margin-bottom: 8px; color: #a9c1d5; font-size: 11px; font-weight: 800; letter-spacing: .06em; line-height: 1.5; text-transform: uppercase; }
.photo-caption strong { display: block; color: var(--white); font-size: clamp(31px, 3vw, 43px); line-height: 1.02; letter-spacing: -.04em; text-shadow: 0 2px 18px rgba(0,0,0,.5); }
.photo-caption em { color: var(--cyan); font-style: normal; }
.network-steps { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; border-top: 1px solid rgba(255,255,255,.24); padding-top: 18px; color: #d9e5ee; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.network-steps span { display: flex; flex-direction: column; }
.network-steps b { color: var(--cyan); font-size: 10px; }
.trust-strip { position: relative; z-index: 1; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-items { min-height: 68px; display: flex; justify-content: space-around; align-items: center; color: #8ea3b5; text-transform: uppercase; letter-spacing: .13em; font-size: 10px; font-weight: 800; }
.trust-items i { width: 4px; height: 4px; background: var(--cyan); border-radius: 50%; }

.services { padding: 116px 0 128px; color: var(--ink); }
.section-heading { display: grid; grid-template-columns: 1.45fr .55fr; align-items: end; gap: 70px; margin-bottom: 55px; }
.eyebrow-dark { color: var(--cyan-dark); }
.section-heading h2, .quote h2 { margin: 0; font-size: clamp(36px, 4.4vw, 58px); line-height: 1.07; letter-spacing: -.043em; }
.section-heading > p { margin: 0 0 5px; color: var(--slate); font-size: 16px; }
.terrain-gallery { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin: -8px 0 24px; }
.terrain-photo { min-height: 320px; position: relative; border-radius: var(--radius); background-repeat: no-repeat; background-size: cover; overflow: hidden; box-shadow: 0 15px 40px rgba(11,45,86,.12); }
.terrain-photo-van { background-image: url('assets/2mlink-camion-hd.png'); background-position: center 52%; }
.terrain-photo-team { background-image: url('assets/2mlink-vetement-hd.png'); background-position: center 47%; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 342px; padding: 30px; border: 1px solid #dde4e9; border-radius: var(--radius); background: var(--white); transition: transform .25s, box-shadow .25s, border-color .25s; overflow: hidden; }
.service-card:hover { transform: translateY(-5px); border-color: #bfd5df; box-shadow: var(--shadow); }
.service-number { position: absolute; top: 26px; right: 28px; color: #a8b3bd; font-size: 11px; letter-spacing: .14em; }
.service-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 42px; border-radius: 13px; background: #ebf9fd; }
.service-icon svg { width: 30px; fill: none; stroke: var(--cyan-dark); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.2; letter-spacing: -.025em; }
.service-card > p:not(.eyebrow) { margin: 0; color: var(--slate); font-size: 14px; }
.detail-toggle { width: 100%; display: flex; justify-content: space-between; margin-top: 20px; padding: 15px 0 0; border: 0; border-top: 1px solid #e6ecef; background: none; color: #1f3e50; font-size: 12px; font-weight: 800; cursor: pointer; }
.detail-toggle span { color: var(--cyan-dark); font-size: 18px; transition: transform .2s; }
.detail-toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.service-detail { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s ease; }
.service-detail > ul { min-height: 0; overflow: hidden; margin: 0; padding-left: 18px; color: var(--slate); font-size: 13px; }
.service-detail li { margin-top: 7px; }
.detail-toggle[aria-expanded="true"] + .service-detail { grid-template-rows: 1fr; }
.service-card-accent { color: var(--white); background: linear-gradient(150deg, #0d273a, #07131f); border-color: transparent; }
.service-card-accent:hover { border-color: rgba(58,214,255,.35); }
.service-card-accent h3 { margin-top: 24px; font-size: 26px; }
.method-list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 17px; }
.method-list li { display: flex; align-items: center; gap: 13px; }
.method-list li > span { width: 29px; height: 29px; display: grid; place-items: center; border: 1px solid rgba(58,214,255,.3); border-radius: 50%; color: var(--cyan); font-size: 11px; }
.method-list div { display: flex; flex-direction: column; }
.method-list b { font-size: 13px; }
.method-list small { color: #8da0b1; font-size: 11px; }

.charters { padding: 100px 0 116px; color: var(--ink); background: #e8eff3; }
.charters-heading { max-width: 790px; margin-bottom: 38px; }
.charters-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.12; letter-spacing: -.04em; }
.charters-heading > p:last-child { max-width: 700px; margin: 20px 0 0; color: var(--slate); font-size: 16px; }
.charters-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.charter-card { padding: 38px; border: 1px solid #d3e0e8; border-radius: var(--radius); background: var(--white); }
.charter-card-safety { background: #0b2537; border-color: #0b2537; color: var(--white); }
.charter-label { display: flex; align-items: center; gap: 12px; color: var(--cyan-dark); font-size: 14px; font-weight: 800; }
.charter-label span { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid currentColor; border-radius: 50%; font-size: 12px; }
.charter-card-safety .charter-label { color: #69dfff; }
.charter-card h3 { max-width: 490px; margin: 24px 0 26px; font-size: clamp(25px, 2.6vw, 32px); line-height: 1.2; letter-spacing: -.03em; }
.charter-card ol { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: charter; }
.charter-card li { counter-increment: charter; position: relative; padding: 16px 0 16px 41px; border-top: 1px solid #e5edf1; color: var(--slate); font-size: 16px; line-height: 1.55; }
.charter-card li::before { content: counter(charter, decimal-leading-zero); position: absolute; left: 0; top: 18px; color: var(--cyan-dark); font-size: 12px; font-weight: 800; }
.charter-card li strong { display: block; margin-bottom: 2px; color: var(--ink); }
.charter-card-safety li { border-color: rgba(255,255,255,.13); color: #b7c9d4; }
.charter-card-safety li::before { color: #69dfff; }
.charter-card-safety li strong { color: var(--white); }
section[id], article[id] { scroll-margin-top: 98px; }

.quote { padding: 118px 0 0; position: relative; overflow: hidden; }
.quote::before { content: ""; position: absolute; width: 600px; height: 600px; left: -220px; top: -100px; background: radial-gradient(circle, rgba(33,147,197,.14), transparent 67%); }
.quote-grid { position: relative; display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: start; }
.quote-copy { position: sticky; top: 120px; }
.quote-copy > p:not(.eyebrow) { color: #9eb0bf; font-size: 16px; }
.privacy-note { display: flex; gap: 14px; margin-top: 34px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.025); color: #9eb0bf; font-size: 12px; }
.privacy-note svg { width: 24px; min-width: 24px; fill: none; stroke: var(--green); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.privacy-note b { display: block; color: #dce6ed; }
.quote-form { padding: 38px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.035); box-shadow: 0 30px 80px rgba(0,0,0,.2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote-form label { display: grid; gap: 8px; margin-bottom: 18px; color: #c9d6df; font-size: 12px; font-weight: 750; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; background: rgba(4,14,24,.7); color: var(--white); padding: 13px 14px; outline: none; transition: border .2s, background .2s; }
.quote-form input, .quote-form select { height: 49px; }
.quote-form textarea { resize: vertical; min-height: 125px; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: var(--cyan); background: rgba(4,14,24,.95); }
.quote-form ::placeholder { color: #607385; }
.quote-form option { color: var(--ink); }
.quote-form .consent { display: flex; grid-template-columns: auto 1fr; align-items: flex-start; gap: 10px; color: #91a4b4; font-weight: 500; }
.consent input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--cyan-dark); }
.form-submit { width: 100%; margin-top: 5px; }
.form-status { min-height: 22px; margin: 10px 0 0; color: #ffb7b7; font-size: 12px; text-align: center; }
.summary-panel { position: relative; margin-top: 55px; padding: 32px; border: 1px solid rgba(104,239,194,.26); border-radius: 20px; background: rgba(104,239,194,.045); }
.summary-panel[hidden] { display: none; }
.summary-panel h3 { margin: 0; font-size: 28px; }
.summary-panel > div > p:not(.eyebrow) { color: #9eb0bf; }
.summary-panel pre { max-height: 320px; overflow: auto; padding: 20px; border-radius: 12px; background: rgba(0,0,0,.2); color: #cfe0ea; white-space: pre-wrap; font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; }
.summary-actions { display: flex; gap: 12px; }
.site-footer { min-height: 130px; margin-top: 90px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: #6f8495; font-size: 11px; }
.site-footer .brand { color: var(--white); font-size: 18px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .nav-toggle { width: 42px; height: 42px; display: grid; place-content: center; gap: 6px; border: 1px solid var(--line); border-radius: 10px; background: transparent; }
  .nav-toggle span:not(.sr-only) { width: 20px; height: 2px; background: var(--white); transition: transform .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; top: 82px; left: 20px; right: 20px; display: none; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: #0b1928; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 18px; }
  .site-nav.open { display: flex; }
  .hero-grid { grid-template-columns: 1fr; padding: 100px 0 80px; gap: 58px; }
  .hero { min-height: auto; }
  .field-photo { width: min(100%, 580px); margin-inline: auto; }
  .section-heading, .quote-grid { grid-template-columns: 1fr; gap: 34px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .charters-grid { grid-template-columns: 1fr; }
  .terrain-gallery { grid-template-columns: 1fr 1fr; }
  .quote-copy { position: static; }
}

@media (max-width: 620px) {
  .shell, .nav-shell { width: min(100% - 28px, 1160px); }
  .nav-shell { height: 72px; }
  .site-nav { top: 72px; left: 14px; right: 14px; }
  .hero { padding-top: 72px; }
  .hero-grid { padding: 76px 0 62px; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .text-link { text-align: center; }
  .field-photo { min-height: 430px; padding: 19px; }
  .trust-items { min-height: 56px; gap: 9px; overflow: hidden; justify-content: flex-start; white-space: nowrap; }
  .trust-items span:nth-of-type(n+3), .trust-items i:nth-of-type(n+2) { display: none; }
  .services, .quote { padding-top: 82px; }
  .charters { padding: 82px 0; }
  .charter-card { padding: 25px 20px; }
  .services { padding-bottom: 88px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .quote h2 { font-size: 38px; }
  .terrain-gallery, .service-grid { grid-template-columns: 1fr; }
  .terrain-photo { min-height: 235px; }
  .service-card { min-height: 0; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .quote-form { padding: 24px 18px; }
  .summary-actions, .site-footer { flex-direction: column; align-items: stretch; }
  .site-footer { padding: 34px 0; gap: 12px; text-align: center; align-items: center; }
}

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