:root {
  --vert-fonce: #2f4a33;
  --vert: #3f5e43;
  --vert-moyen: #6f8f6c;
  --vert-clair: #eef3ec;
  --or: #e9b52c;
  --noir: #1b1d1b;
  --texte: #263027;
  --blanc: #ffffff;
  --rayon: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 70px; }

body {
  margin: 0;
  font-family: "Nunito Sans", system-ui, sans-serif;
  color: var(--texte);
  background: var(--blanc);
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, .jour, .km, .compte-chiffres span {
  font-family: "Bebas Neue", Impact, sans-serif;
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1;
}

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

.conteneur { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .06);
}
.nav-logo img { height: 46px; width: auto; }
.nav-liens { display: flex; align-items: center; gap: 22px; }
.nav-liens a { color: var(--noir); text-decoration: none; font-weight: 600; }
.nav-liens a:hover { color: var(--vert); }
.nav-liens .nav-bouton {
  background: var(--noir);
  color: var(--blanc);
  padding: 8px 16px;
  border-radius: 999px;
}
.nav-liens .nav-bouton:hover { background: var(--vert); color: var(--blanc); }

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(180deg, #fff 0%, #fbf8ef 100%);
  padding: 48px 20px 0;
  overflow: hidden;
}
.hero-contenu {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  padding-bottom: 90px;
}
.hero-logo { width: 100%; mix-blend-mode: multiply; }
.hero h1 { font-size: clamp(3rem, 7vw, 5rem); margin: 8px 0 16px; color: var(--noir); }
.hero-texte > p { font-size: 1.1rem; max-width: 34ch; }
.collines { display: block; width: 100%; height: 120px; margin-bottom: -1px; }

.surtitre {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .8rem;
  font-weight: 800;
  color: var(--vert-moyen);
}
.surtitre-or { color: var(--or); }

/* Boutons */
.boutons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.bouton {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .15s, background .15s;
}
.bouton:hover { transform: translateY(-2px); }
.bouton-vert { background: var(--vert); color: var(--blanc); }
.bouton-vert:hover { background: var(--vert-fonce); }
.bouton-contour { border: 2px solid var(--noir); color: var(--noir); }
.bouton-contour:hover { background: var(--noir); color: var(--blanc); }
.bouton-facebook { background: #1877f2; color: var(--blanc); font-size: 1.05rem; }

/* Sections */
.section { padding: 90px 0; position: relative; }
.section h2 { font-size: clamp(2.6rem, 6vw, 4rem); margin: 6px 0 14px; }
.intro { font-size: 1.15rem; max-width: 60ch; margin: 0 0 40px; }

.grille { display: grid; gap: 22px; }
.grille-2 { grid-template-columns: repeat(2, 1fr); }
.grille-3 { grid-template-columns: repeat(3, 1fr); }

/* Entraînements */
.section-vert { background: var(--vert); color: var(--blanc); }
.section-vert .surtitre { color: #c9dbc6; }
.carte-seance {
  background: var(--blanc);
  color: var(--texte);
  border-radius: var(--rayon);
  padding: 30px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
  border-top: 6px solid var(--or);
}
.jour { display: block; font-size: 3.4rem; color: var(--vert); }
.moment { text-transform: uppercase; letter-spacing: .12em; font-weight: 800; font-size: .85rem; color: var(--vert-moyen); }
.carte-seance ul { list-style: none; padding: 0; margin: 18px 0 0; }
.carte-seance li { padding: 8px 0; border-top: 1px solid #e6ebe5; }

/* Course */
.section-sombre { background: var(--noir); color: var(--blanc); overflow: hidden; }
.rayons { position: absolute; top: 40px; right: 6%; width: 160px; height: 160px; pointer-events: none; }
.rayons span {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 5px;
  height: 90px;
  background: var(--or);
  border-radius: 3px;
  transform-origin: bottom center;
}
.rayons span:nth-child(1) { transform: rotate(-70deg); }
.rayons span:nth-child(2) { transform: rotate(-45deg); }
.rayons span:nth-child(3) { transform: rotate(-20deg); }
.rayons span:nth-child(4) { transform: rotate(5deg); }

.compte {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--rayon);
  padding: 24px 30px;
  margin-bottom: 40px;
}
.compte-date { margin: 0; font-weight: 800; font-size: 1.1rem; }
.compte-chiffres { display: flex; gap: 28px; }
.compte-chiffres div { text-align: center; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: #b9beb9; }
.compte-chiffres span { display: block; font-size: 3rem; color: var(--or); }

.carte-distance {
  background: var(--vert-fonce);
  border-radius: var(--rayon);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .08);
}
.carte-distance p { margin: 4px 0; color: #d6e0d4; }
.carte-distance .km { font-size: 3.6rem; color: var(--blanc); margin: 14px 0 10px; }
.badge {
  display: inline-block;
  background: var(--or);
  color: var(--noir);
  font-weight: 800;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 4px 12px;
  border-radius: 999px;
}

/* Rejoindre */
.rejoindre { text-align: center; }
.rejoindre .intro { margin-left: auto; margin-right: auto; }

/* Footer */
.footer {
  background: var(--vert-clair);
  text-align: center;
  padding: 40px 20px;
  font-size: .9rem;
  color: var(--vert);
}
.footer-logo { width: 140px; margin: 0 auto 10px; mix-blend-mode: multiply; }
.footer p { margin: 0; }

/* Mobile */
@media (max-width: 800px) {
  .hero-contenu { grid-template-columns: 1fr; text-align: center; gap: 20px; padding-bottom: 60px; }
  .hero-logo { max-width: 380px; margin: 0 auto; }
  .hero-texte > p { margin-left: auto; margin-right: auto; }
  .boutons { justify-content: center; }
  .grille-2, .grille-3 { grid-template-columns: 1fr; }
  .nav-liens a:not(.nav-bouton) { display: none; }
  .section { padding: 64px 0; }
  .rayons { opacity: .4; }
  .compte { justify-content: center; text-align: center; }
}