/* ===========================
   Variables & base
=========================== */
:root {
  --clr-primary:   #1c3b4f;   /* bleu ardoise profond */
  --clr-accent:    #5b9e9a;   /* teal doux — eau */
  --clr-earth:     #9e7c3f;   /* ocre — terre, bois */
  --clr-bg:        #fafaf9;   /* blanc très chaud */
  --clr-surface:   #f0eeea;   /* crème pour hero / en-têtes */
  --clr-dark:      #111827;
  --clr-text:      #2d3748;
  --clr-muted:     #718096;
  --font-heading:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --radius:        10px;
}

body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.75;
}

/* ===========================
   Navbar
=========================== */
.navbar {
  background-color: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  padding: 1.25rem 0;
  box-shadow: none;
}

.navbar-brand {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-primary) !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-icon {
  color: var(--clr-earth);
  margin-right: 0.5rem;
  font-size: 0.95em;
}

.nav-link {
  color: var(--clr-muted) !important;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-left: 2rem;
  padding: 0 !important;
  border-bottom: none;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-primary) !important;
}

.navbar-toggler {
  border-color: rgba(0,0,0,0.2);
}

/* ===========================
   Hero (accueil)
=========================== */
.hero {
  min-height: 72vh;
  background-image:
    linear-gradient(rgba(250, 250, 249, 0.52), rgba(250, 250, 249, 0.52)),
    url('images/foret.jpeg');
  background-color: var(--clr-surface); /* fallback si image absente */
  background-size: cover;
  background-position: center;
  color: var(--clr-text);
  padding: 6rem 1rem;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-75px);
  width: 150px;
  height: 3px;
  background: repeating-linear-gradient(
    to right,
    var(--clr-accent)  0px,
    var(--clr-accent)  12px,
    var(--clr-earth)   12px,
    var(--clr-earth)   24px
  );
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f5f4f0;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: rgba(245, 244, 240, 0.85);
  margin-bottom: 0.5rem;
}

.btn-hero {
  display: inline-block;
  border: 2px solid #f5f4f0;
  color: #f5f4f0;
  background: transparent;
  padding: 0.7rem 2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn-hero:hover {
  background: #f5f4f0;
  color: var(--clr-primary);
}

/* ===========================
   Cartes (accueil)
=========================== */
.card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius);
  background-color: #fff;
  box-shadow: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: none;
  border-color: var(--clr-accent);
  box-shadow: 0 4px 20px rgba(91,158,154,0.12);
}

.card-icon {
  display: flex;
  justify-content: center;
  color: var(--clr-accent);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--clr-muted);
  font-size: 0.95rem;
}

/* ===========================
   Utilitaires
=========================== */
.py-6 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* ===========================
   En-tête de page intérieure
=========================== */
.page-header {
  background-image:
    linear-gradient(rgba(250, 250, 249, 0.52), rgba(250, 250, 249, 0.52)),
    url('images/mer.jpeg');
  background-color: var(--clr-surface);
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.page-eyebrow {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-primary);
  margin-bottom: 0;
}

.page-subtitle {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* ===========================
   Contenu mission
=========================== */
.mission-block {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(0,0,0,0.07);
}

.mission-block:first-child {
  border-top: none;
  padding-top: 0;
}

.mission-icon {
  color: var(--clr-accent);
  margin-bottom: 1rem;
}

.mission-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-earth);
  margin-bottom: 0.6rem;
}

.mission-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-primary);
  border-left: none;
  padding-left: 0;
  margin-bottom: 1rem;
}

.mission-block p {
  color: var(--clr-text);
  font-size: 1.05rem;
}

.mission-list {
  list-style: none;
  padding-left: 0;
}

.mission-list li {
  padding: 0.6rem 0 0.6rem 1.6rem;
  position: relative;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  color: var(--clr-text);
}

.mission-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--clr-accent);
}

.value-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.value-chip {
  background-color: transparent;
  color: var(--clr-primary);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1.5px solid var(--clr-accent);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ===========================
   Footer
=========================== */
footer {
  background-color: var(--clr-surface);
  color: var(--clr-muted);
  font-size: 0.88rem;
  border-top: 1px solid rgba(0,0,0,0.07);
  margin-top: auto;
}