:root {
  --navy: #16212e;
  --navy-2: #1e2c3b;
  --accent: #2f7de1;
  --accent-dark: #1f5bb0;
  --accent-soft: #eaf2fd;
  --on-accent: #ffffff;
  --paper: #ffffff;
  --paper-2: #f4f7fb;
  --ink: #16212e;
  --ink-soft: #5b6b7c;
  --line: #e1e7ee;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 16px 36px -18px rgba(22, 33, 46, 0.18);
  --maxw: 1180px;
  --font-display: 'Manrope', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.18;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; }
img { max-width: 100%; display: block; }
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 84px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}
.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 10px 22px -10px rgba(47, 125, 225, 0.55);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-outline {
  background: transparent;
  color: var(--accent-dark);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-soft); }
.btn-block { width: 100%; }

/* Header — clair, non flottant/assombri */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 76px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--ink);
  text-decoration: none;
}
.brand-name { display: block; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  border: 1px solid rgba(47, 125, 225, 0.25);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 6px;
}

/* Hero — clair, pas de photo, pas de tuiles "profil" */
.hero {
  position: relative;
  padding: 76px 0 64px;
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(47, 125, 225, 0.08), transparent 62%),
    var(--paper-2);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-inner { max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(47, 125, 225, 0.2);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 20px;
}
.hero h1 {
  color: var(--ink);
  font-size: clamp(30px, 4.2vw, 46px);
  max-width: 18ch;
}
.hero-lead {
  color: var(--ink-soft);
  font-size: 16.5px;
  max-width: 52ch;
  margin: 18px 0 0;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
}
.hero-pill {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 13px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* Value strip */
.value-strip { background: var(--white); border-bottom: 1px solid var(--line); padding: 28px 0; }
.value-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
}
.value-item-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.value-item-icon svg { width: 17px; height: 17px; }

/* Bandeau renvoi vers Novalink Hypervision */
.crosslink { background: var(--navy); }
.crosslink .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 32px 24px;
}
.crosslink-text { max-width: 620px; }
.crosslink-tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 8px;
}
.crosslink h3 { color: var(--white); font-size: 20px; margin-bottom: 6px; }
.crosslink p { color: rgba(255, 255, 255, 0.68); margin: 0; font-size: 14.5px; }
.crosslink .btn-ghost { color: var(--white); border-color: rgba(255, 255, 255, 0.3); flex-shrink: 0; }
.crosslink .btn-ghost:hover { border-color: rgba(255, 255, 255, 0.7); }

/* Services */
.services { background: var(--paper); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.services-grid-4 { grid-template-columns: repeat(2, 1fr); }
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card.featured { border-color: var(--accent); box-shadow: 0 14px 30px -18px rgba(47, 125, 225, 0.4); }
.service-card-top {
  background: var(--paper-2);
  padding: 28px 26px 22px;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.service-card.featured .service-card-top { background: var(--accent-soft); }
.service-tag {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--on-accent);
  padding: 5px 10px;
  border-radius: 999px;
}
.service-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card-top h3 { color: var(--ink); font-size: 20px; margin-bottom: 6px; }
.service-card-top p { color: var(--ink-soft); font-size: 14px; margin: 0; }
.service-card-body { padding: 22px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.service-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  flex: 1;
}
.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
  padding: 7px 0;
}
.service-list svg { width: 17px; height: 17px; color: var(--accent-dark); flex-shrink: 0; margin-top: 2px; }

/* Secteurs (sans photo) */
.equipment { background: var(--paper-2); }
.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.sector-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
}
.sector-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.sector-icon svg { width: 26px; height: 26px; }
.sector-card h3 { font-size: 15.5px; margin-bottom: 8px; }
.sector-card p { font-size: 13px; margin: 0; }

/* Steps */
.steps { counter-reset: step; background: var(--paper); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.step { position: relative; padding: 0 20px 0 0; }
.step::before {
  counter-increment: step;
  content: counter(step);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 22px;
  left: 44px;
  right: -20px;
  height: 1.5px;
  background: var(--line);
}
.step h3 { font-size: 16.5px; }
.step p { font-size: 14px; margin: 0; }

/* FAQ */
.faq { background: var(--paper-2); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-q svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.2s ease; color: var(--accent-dark); }
.faq-item.open .faq-q svg { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 240px; padding: 0 22px 20px; }
.faq-a p { font-size: 14.5px; margin: 0; }

/* Contact — clair, cadre distinct */
.contact { background: var(--paper-2); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-info h2 { color: var(--ink); }
.contact-points { list-style: none; margin: 28px 0 0; padding: 0; }
.contact-points li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.contact-points li:first-child { border-top: none; }
.contact-points svg { width: 20px; height: 20px; color: var(--accent-dark); flex-shrink: 0; margin-top: 2px; }
.contact-points strong { color: var(--ink); display: block; font-size: 14.5px; margin-bottom: 2px; }
.contact-points span { color: var(--ink-soft); font-size: 13.5px; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.contact-form h3 { font-size: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 90px; }
.field-consent { display: flex; align-items: flex-start; gap: 10px; }
.field-consent input { width: auto; margin-top: 3px; }
.field-consent label { font-size: 12.5px; color: var(--ink-soft); font-weight: 400; }
.form-note { font-size: 12px; color: var(--ink-soft); margin-top: 12px; text-align: center; }
.form-feedback { font-size: 14px; font-weight: 600; padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; display: none; }
.form-feedback.show { display: block; }
.form-feedback.ok { background: #e8f7ee; color: #1c7a43; }
.form-feedback.error { background: #fdecea; color: #c62828; }
.hide-field { position: absolute; left: -9999px; }

/* Footer — seul bloc sombre du site, pour ancrer la page */
footer { background: var(--navy); color: rgba(255, 255, 255, 0.55); padding: 56px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand { color: var(--white); }
.footer-brand .brand-mark { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.15); color: var(--white); }
.footer-brand p { color: rgba(255, 255, 255, 0.5); font-size: 13.5px; max-width: 32ch; }
.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.55); text-decoration: none; font-size: 13.5px; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 12.5px;
}

/* Responsive */
@media (max-width: 980px) {
  .services-grid-4 { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .step:nth-child(2)::after { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .value-strip .container { grid-template-columns: repeat(2, 1fr); row-gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  section { padding: 56px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .brand small { display: none; }
  .brand { font-size: 16px; min-width: 0; }
  .brand-text { min-width: 0; }
  .brand-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .hero { padding: 48px 0 40px; }
  .crosslink .container { padding: 28px 20px; text-align: center; justify-content: center; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Menu mobile */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--white);
  z-index: 99;
  padding: 24px;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-nav .btn { margin-top: 24px; }