/* =========================================================
   Cybexia — Design system
   Charte graphique officielle Noxia Groupe (brand/brand-guidelines.md) :
   navy #000726 / #002359, bleu accent #0251a1, gris #dde1e4 / #b1b9c0,
   titres/nav Montserrat, corps Open Sans. Pas de vert/rouge/orange
   comme couleur de marque.
   ========================================================= */

:root {
  --color-primary: #0251a1;
  --color-primary-dark: #013f80;
  --color-accent-light: #3d7fc9;
  --color-navy-deep: #000726;
  --color-navy: #002359;
  --color-muted: #55677c;
  --color-nav-text: #6d7c8c;
  --color-gray-metal: #b1b9c0;
  --color-light-bg: #eef1f5;
  --color-border: #e1e6ea;
  --color-white: #ffffff;
  --color-text: #101c2b;
  --color-danger: #d64550;

  --font-heading: "Montserrat", Arial, Helvetica, sans-serif;
  --font-nav: "Montserrat", Arial, Helvetica, sans-serif;
  --font-body: "Open Sans", Arial, Helvetica, sans-serif;

  --site-width: 1280px;
  --radius: 6px;
  --shadow-card: 0 10px 30px rgba(0, 7, 38, 0.08);
  --header-height: 84px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--color-navy);
}

h1 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 3vw, 38px); }
h3 { font-size: clamp(20px, 2.2vw, 24px); }
h4 { font-size: 18px; }

p { margin: 0 0 16px; }

.container {
  width: 100%;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--tight { padding: 64px 0; }

.section--alt {
  background: var(--color-light-bg);
}

.section--dark {
  background: var(--color-navy);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark .eyebrow {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.14);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(2, 81, 161, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head p {
  color: var(--color-muted);
  font-size: 18px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-nav);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.btn--outline-light:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 13px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 52px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  font-family: var(--font-nav);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-nav-text);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-navy);
  border-color: var(--color-primary);
}

.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 10px;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  translate: 0 8px;
  transition: opacity 0.18s ease, translate 0.18s ease, visibility 0.18s ease;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
}

.dropdown a {
  display: block;
  padding: 10px 14px;
  border-radius: 4px;
  border-bottom: none;
  font-weight: 500;
  color: var(--color-navy);
}

.dropdown a:hover {
  background: var(--color-light-bg);
  color: var(--color-primary);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  position: relative;
  transition: background 0.2s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
}

.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--color-navy-deep) 0%, var(--color-navy) 60%, #001845 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(2, 81, 161, 0.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(61, 127, 201, 0.2), transparent 40%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  padding: 120px 0 100px;
  max-width: 760px;
}

.hero p.lead {
  font-size: 20px;
  color: var(--color-gray-metal);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero__badges {
  display: flex;
  gap: 32px;
  margin-top: 64px;
  flex-wrap: wrap;
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-nav);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray-metal);
}

.hero__badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-white);
  flex-shrink: 0;
}

/* ---------- Breadcrumb / page hero (sous-pages) ---------- */

.page-hero {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 64px 0;
}

.page-hero .breadcrumb {
  font-family: var(--font-nav);
  font-size: 13px;
  color: var(--color-gray-metal);
  margin-bottom: 18px;
}

.page-hero .breadcrumb a:hover { color: var(--color-white); }

.page-hero h1 { color: var(--color-white); margin-bottom: 12px; }

.page-hero p { color: var(--color-gray-metal); font-size: 18px; max-width: 640px; margin: 0; }

/* ---------- Feature grid (avantages) ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.feature {
  text-align: center;
  padding: 8px;
}

.feature__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(2, 81, 161, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature__icon svg { width: 26px; height: 26px; }

.feature h3 { font-size: 18px; margin-bottom: 8px; }

.feature p { color: var(--color-muted); font-size: 15px; margin: 0; }

/* ---------- Cards (services / secteurs) ---------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-card);
  border-color: transparent;
  transform: translateY(-4px);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.card__icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 10px; }

.card p {
  color: var(--color-muted);
  font-size: 15px;
  flex-grow: 1;
}

.card .btn {
  margin-top: 12px;
  align-self: flex-start;
}

/* ---------- Stats ---------- */

.stats {
  background: var(--color-navy);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats-grid strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 42px;
  color: var(--color-white);
  margin-bottom: 8px;
}

.stats-grid span {
  font-family: var(--font-nav);
  font-size: 14px;
  color: var(--color-gray-metal);
}

.stats__foot {
  text-align: center;
  margin-top: 56px;
}

.stats__foot p {
  color: var(--color-gray-metal);
  margin-bottom: 24px;
  font-size: 17px;
}

.stats__foot .hero__actions {
  justify-content: center;
  margin-top: 0;
}

/* ---------- CTA split (diagnostic) ---------- */

.cta-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.cta-split__list {
  margin-top: 28px;
}

.cta-split__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 16px;
}

.cta-split__list svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.cta-split__panel {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px;
}

.cta-split__panel h3 { margin-bottom: 20px; }

/* ---------- Contact blocks ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.contact-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.contact-block__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(2, 81, 161, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.contact-block__icon svg { width: 24px; height: 24px; }

.contact-block strong {
  display: block;
  font-size: 18px;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.contact-block p {
  color: var(--color-muted);
  margin-bottom: 0;
}

/* ---------- Secteurs band (placeholder, pas de vrais clients) ---------- */

.sectors-band {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.sector-tag {
  font-family: var(--font-nav);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-navy);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border);
  padding: 12px 22px;
  border-radius: 999px;
}

/* ---------- Service detail page ---------- */

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.detail-item {
  display: flex;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.detail-item__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(2, 81, 161, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-item__icon svg { width: 22px; height: 22px; }

.detail-item h4 { margin-bottom: 6px; }

.detail-item p { margin: 0; color: var(--color-muted); font-size: 15px; }

.other-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- About page ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 16px;
}

.timeline li {
  border-top: 3px solid var(--color-primary);
  padding-top: 16px;
}

.timeline strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.timeline span {
  color: var(--color-muted);
  font-size: 14px;
}

/* ---------- Contact page form ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info-card {
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
}

.contact-info-card h3 { color: var(--color-white); }

.contact-info-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 22px;
}

.contact-info-list svg {
  width: 22px;
  height: 22px;
  color: var(--color-white);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.contact-info-list span {
  color: var(--color-gray-metal);
  font-size: 14px;
}

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.social-row a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.social-row svg { width: 18px; height: 18px; }

.social-row a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-nav);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-note {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 12px;
}

.form-success {
  display: none;
  background: rgba(2, 81, 161, 0.08);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 16px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  margin-bottom: 20px;
}

.form-success.is-visible { display: block; }

/* ---------- Final CTA band ---------- */

.final-cta {
  text-align: center;
}

.final-cta .hero__actions {
  justify-content: center;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-navy-deep);
  color: var(--color-gray-metal);
  padding: 72px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid .logo { margin-bottom: 16px; }

.footer-grid p { font-size: 14px; }

.footer-col h4 {
  color: var(--color-white);
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul li { margin-bottom: 12px; }

.footer-col a {
  font-size: 14px;
  color: var(--color-gray-metal);
  transition: color 0.2s ease;
}

.footer-col a:hover { color: var(--color-white); }

.footer-col address {
  font-style: normal;
  font-size: 14px;
  line-height: 1.8;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a:hover { color: var(--color-white); }

.footer-bottom__links {
  display: flex;
  gap: 20px;
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .features-grid,
  .cards-grid,
  .stats-grid,
  .values-grid,
  .timeline { grid-template-columns: repeat(2, 1fr); }

  .cta-split,
  .contact-layout { grid-template-columns: 1fr; }

  .detail-grid,
  .other-services { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }

  body.nav-open .main-nav {
    display: flex;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    overflow-y: auto;
    z-index: 99;
  }

  body.nav-open .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
  }

  body.nav-open .main-nav a {
    display: block;
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
  }

  body.nav-open .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    transform: none;
    translate: 0;
    display: none;
    width: 100%;
    padding-left: 12px;
  }

  body.nav-open .has-dropdown.is-open .dropdown { display: block; }

  body.nav-open .header-cta .btn--sm { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .features-grid,
  .cards-grid,
  .stats-grid,
  .values-grid,
  .timeline,
  .detail-grid,
  .other-services,
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- Page "en construction" ---------- */

.construction-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  background: radial-gradient(circle at 50% 30%, #001c47 0%, var(--color-navy-deep) 65%, #000410 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.construction-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 15%, rgba(2, 81, 161, 0.3), transparent 40%),
    radial-gradient(circle at 80% 85%, rgba(61, 127, 201, 0.2), transparent 45%);
  pointer-events: none;
}

.construction-page__inner {
  position: relative;
  max-width: 620px;
}

.construction-page__logo {
  width: min(360px, 70vw);
  margin: 0 auto 40px;
}

.construction-page .eyebrow {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.12);
}

.construction-page h1 {
  color: var(--color-white);
  margin-bottom: 18px;
}

.construction-page p {
  color: var(--color-gray-metal);
  font-size: 18px;
  margin: 0 auto 32px;
}

.construction-page__contact {
  font-family: var(--font-nav);
  font-weight: 600;
  color: var(--color-white);
}

.construction-page__contact a {
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  transition: border-color 0.2s ease;
}

.construction-page__contact a:hover {
  border-color: var(--color-white);
}