*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a237e;
  --color-primary-dark: #0d1450;
  --color-primary-light: #e3e7ff;
  --color-accent: #c8102e;
  --color-bg: #f7f8fc;
  --color-bg-alt: #ffffff;
  --color-text: #222222;
  --color-text-muted: #555555;
  --color-border: #d0d4ff;
  --color-footer-bg: #0d102f;
  --color-footer-text: #c5cae9;
}

body {
  font-family: 'Poppins', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* Layout utilitaires */
.container {
  width: 90%;
  max-width: 1120px;
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

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

/* Header */
.header-flag-bar {
  height: 4px;
  background: linear-gradient(
    to right,
    var(--color-primary) 0%,
    var(--color-primary) 33.33%,
    #ffffff 33.33%,
    #ffffff 66.66%,
    var(--color-accent) 66.66%,
    var(--color-accent) 100%
  );
}

.header {
  background: var(--color-bg-alt);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-primary);
}

.logo-icon {
  font-size: 24px;
}

.logo-img {
  display: block;
  height: 56px;
  width: auto;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: #444;
  font-size: 14px;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Burger mobile */
.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.burger span {
  width: 20px;
  height: 2px;
  background: #222;
}

/* Boutons */
.btn-primary,
.btn-secondary,
.btn-small,
.btn-outline {
  display: inline-block;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
}

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

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 12px 18px;
}

.btn-secondary:hover {
  background: #c5cffd;
}

.btn-small {
  padding: 8px 14px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-full {
  width: 100%;
}

/* Bandeau de titre de page (pages secondaires) */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 50px 0;
}

.page-banner h1 {
  color: #ffffff;
  font-size: 30px;
  text-align: center;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: 32px;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 15px;
}

.hero-text p {
  font-size: 15px;
  color: #dbe0ff;
  margin-bottom: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.badge {
  background: #ffffff;
  padding: 10px 16px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.badge-number {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

.badge-label {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Carte formulaire hero */
.hero-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 22px 22px 26px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.hero-card h2 {
  font-size: 20px;
  margin-bottom: 6px;
}

.hero-card p {
  font-size: 13px;
  color: #666;
  margin-bottom: 18px;
}

/* Formulaires */
.form-group {
  margin-bottom: 14px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: #333;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 14px;
  outline: none;
  transition: border 0.2s;
  font-family: 'Poppins', sans-serif;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
}

.form-note {
  margin-top: 6px;
  font-size: 12px;
  color: #777;
}

/* Sections */
.section-title {
  font-size: 26px;
  text-align: center;
  margin-bottom: 8px;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 14px;
  text-align: center;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
}

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

/* Cartes */
.card {
  background: var(--color-bg-alt);
  border-radius: 14px;
  padding: 18px 18px 22px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  border-top: 3px solid var(--color-primary);
}

.card h3 {
  font-size: 18px;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.card p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Destinations */
.destination-card .tag {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 10px;
  background: var(--color-primary-light);
  border-radius: 50px;
  font-size: 11px;
  color: var(--color-primary);
}

/* Processus */
.steps {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #ffffff;
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.step-number {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.step h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.step p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Témoignages */
.testimonial-grid {
  align-items: stretch;
}

.testimonial-card {
  text-align: center;
  border-top: 3px solid var(--color-accent);
}

.testimonial-card p {
  font-size: 14px;
  color: #444;
  margin-bottom: 10px;
  font-style: italic;
}

.testimonial-card h4 {
  font-size: 13px;
  color: var(--color-primary);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: flex-start;
}

.contact-list {
  list-style: none;
  margin-top: 20px;
}

.contact-list li {
  margin-bottom: 8px;
  font-size: 14px;
}

.contact-form {
  background: var(--color-bg-alt);
  border-radius: 16px;
  padding: 20px 20px 24px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.06);
}

/* Contenu légal (mentions légales / confidentialité) */
.legal-content {
  max-width: 820px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 20px;
  color: var(--color-primary);
  margin: 32px 0 10px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.legal-content ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.legal-content strong {
  color: var(--color-text);
}

.legal-content .placeholder {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
}

.legal-updated {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 24px;
}

/* Footer */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 40px 0 18px;
  margin-top: 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(197, 202, 233, 0.15);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--color-footer-text);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--color-footer-text);
  text-decoration: none;
  font-size: 13px;
}

.footer-col a:hover {
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  font-size: 12px;
  padding-top: 16px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .nav ul {
    position: absolute;
    top: 60px;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 18px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.12);
    display: none;
  }

  .nav ul.open {
    display: flex;
  }

  .burger {
    display: flex;
  }

  #btn-nav-demarrer {
    display: none;
  }
}

@media (max-width: 600px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 60px 0;
  }

  .hero-text h1 {
    font-size: 26px;
  }
}