:root {
  --blue: #123a63;
  --blue-dark: #0b2540;
  --blue-light: #eaf3fb;
  --accent: #27a7c7;
  --text: #1f2933;
  --muted: #5f6f7f;
  --white: #ffffff;
  --border: #d9e4ec;
  --shadow: 0 18px 45px rgba(11, 37, 64, 0.12);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #f8fbfd;
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 4px 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-dark);
  white-space: nowrap;
}

.logo span { color: var(--accent); }

.site-logo {
  height: 130px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  color: var(--blue-dark);
  font-weight: 600;
}

.main-nav a:hover { color: var(--accent); }

.main-nav a.active {
  color: var(--accent);
  font-weight: 700;
}

.main-nav .nav-button.active {
  background: var(--accent);
  color: #ffffff !important;
}

.nav-button,
.button {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 700;
}

.nav-button,
.button.primary {
  background: var(--accent);
  color: var(--white) !important;
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--blue-dark);
  background: var(--white);
}

/* MENU MOBILE */

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--blue-dark);
  margin: 6px auto;
  border-radius: 3px;
  transition: 0.3s;
}

.hero,
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: var(--white);
}

.hero { padding: 90px 0; }
.page-hero { padding: 70px 0; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 38px;
  align-items: center;
}

.tagline {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 13px;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(30px, 5vw, 35px);
  line-height: 1.08;
  margin: 0 0 20px;
}

.hero-intro,
.page-hero p {
  font-size: 19px;
  max-width: 760px;
  color: #dceaf5;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-card,
.content-card {
  background: var(--white);
  color: var(--text);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-card h2,
.content-card h2 {
  margin-top: 0;
  color: var(--blue-dark);
}

.hero-card ul { padding-left: 20px; }
.hero-card li { margin-bottom: 10px; }

.section { padding: 76px 0; }
.section-light { background: var(--blue-light); }

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.split-section h2,
.content h2 {
  color: var(--blue-dark);
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 14px;
}

.section-heading p,
.content p {
  color: var(--muted);
}

.cards-grid,
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card,
.feature {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 10px 25px rgba(11, 37, 64, 0.06);
}

.card h3,
.feature h3 {
  color: var(--blue-dark);
  margin-top: 0;
}

.card p,
.feature p {
  color: var(--muted);
  margin-bottom: 0;
}

.card-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent);
  font-weight: 700;
}

.card-link:hover { color: var(--blue-dark); }

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 15px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

.step span {
  color: var(--accent);
  font-weight: 900;
  font-size: 20px;
}

.step p { margin: 0; }

.content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: start;
}

.content ul {
  padding-left: 20px;
  color: var(--muted);
}

.content li { margin-bottom: 8px; }

.contact-section {
  padding: 76px 0;
  background: var(--blue-dark);
  color: var(--white);
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 30px;
  align-items: center;
}

.contact-box h2 {
  font-size: 30px;
  margin: 0 0 12px;
}

.contact-box p { color: #dceaf5; }

.contact-info {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 22px;
  padding: 26px;
}

/* FORMULAIRE DE CONTACT */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 34px;
  align-items: start;
}

.contact-form-card,
.contact-side-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 30px;
}

.contact-form-card h2,
.contact-side-card h2 {
  color: var(--blue-dark);
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.2;
}

.tagline.dark { color: var(--accent); }

.form-intro {
  color: var(--muted);
  margin-bottom: 24px;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 7px;
}

.form-group label {
  font-weight: 700;
  color: var(--blue-dark);
}

.form-group label span { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fbfdff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(39, 167, 199, 0.15);
  background: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-button {
  border: 0;
  cursor: pointer;
  width: fit-content;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.contact-side-card {
  background: linear-gradient(160deg, var(--blue-dark), var(--blue));
  color: var(--white);
}

.contact-side-card h2 { color: var(--white); }
.contact-side-card p { color: #dceaf5; }

.contact-side-card a {
  color: var(--white);
  font-weight: 700;
  text-decoration: underline;
}

.side-info {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.side-info ul {
  padding-left: 20px;
  margin-bottom: 0;
  color: #dceaf5;
}

.side-info li { margin-bottom: 8px; }

/* FOOTER */

.site-footer {
  background: #061a2d;
  color: #b8c7d3;
  padding: 24px 0;
  font-size: 14px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

/* TABLETTE */

@media (max-width: 860px) {
  .hero-grid,
  .split-section,
  .content,
  .contact-box,
  .contact-layout,
  .form-row {
    grid-template-columns: 1fr;
  }

  .cards-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .main-nav {
    justify-content: flex-start;
  }

  .hero,
  .page-hero {
    padding: 58px 0;
  }

  .section,
  .contact-section {
    padding: 54px 0;
  }

  .contact-form-card,
  .contact-side-card {
    padding: 22px;
  }

  .form-button {
    width: 100%;
  }
}

/* MOBILE MENU FINAL */

@media (max-width: 980px) {

  .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
  }

  .logo {
    flex: 1;
    min-width: 0;
  }

  .site-logo {
    width: 320px !important;
    height: auto !important;
    max-width: none;
    display: block;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
    flex-shrink: 0;
  }

  .main-nav {
    width: 100%;
    overflow: hidden;
    max-height: 0;
    opacity: 0;

    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;

    border-top: 0 solid var(--border);
    background: #ffffff;

    transition:
      max-height 0.45s ease,
      opacity 0.25s ease,
      border-top 0.25s ease,
      margin-top 0.25s ease;
  }

  .main-nav.mobile-open {
    max-height: 700px;
    opacity: 1;
    margin-top: 14px;
    border-top: 1px solid var(--border);
  }

  .main-nav a {
    display: block;
    width: 100%;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 17px;
  }

  .main-nav .nav-button {
    border-radius: 0;
    text-align: left;
    padding: 14px 20px;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}
.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.language-switch a,
.language-switch strong {
  width: auto !important;
  padding: 0 !important;
  border: 0 !important;
  text-decoration: none;
}
.language-switch a {
  color: var(--muted);
}
.language-switch strong {
  color: var(--primary);
}
@media (max-width: 900px) {
  .main-nav .language-switch {
    justify-content: flex-start;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-top: 0;
    padding: 14px 20px;
  }
}