/* =========================================================
   CLUB VERT — Design tokens (alignés sur le logo officiel)
   Le logo : "C" calligraphié en dégradé menthe → vert sur fond
   anthracite, typo Didone tracée en petites capitales.
   Palette reprise directement du fichier logo (extraction des
   couleurs dominantes) : anthracite, menthe, vert vif.
   Signature : la ligne de rivière — un tracé sinueux en SVG
   qui sépare les sections, reprise dans le dégradé du logo.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Karla:wght@400;500;700&display=swap');

:root {
  --anthracite:   #1E1E1E;
  --anthracite-2: #2A2A2A;
  --menthe:       #2FB89A;
  --menthe-vif:   #55F7D0;
  --vert-vif:     #5BEA71;
  --vert-foret:   #1E4D3A;
  --vert-mousse:  #5BEA71;
  --sable:        #F6F5F1;
  --bleu-yonne:   #2FB89A;
  --rouge-cirque: #C8443C;
  --encre:        #1E1E1E;
  --blanc:        #FFFFFF;

  --font-display: 'Fraunces', serif;
  --font-body: 'Karla', sans-serif;

  --radius: 14px;
  --ombre: 0 4px 20px rgba(30, 30, 30, 0.10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--encre);
  background: var(--sable);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--vert-foret);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

a { color: var(--bleu-yonne); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--anthracite);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: .7rem;
  padding-bottom: .7rem;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo img { height: 44px; width: auto; display: block; }

.nav { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  text-decoration: none;
  color: #E8E6DF;
  font-weight: 500;
  font-size: .95rem;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: border-color .2s, color .2s;
}
.nav a:hover, .nav a.active { color: var(--menthe-vif); border-color: var(--menthe-vif); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  width: 40px;
  height: 40px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #E8E6DF;
  margin: 5px auto;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Rivière : signature graphique (dégradé du logo) ---------- */
.riviere {
  display: block;
  width: 100%;
  height: 10px;
  margin: 0;
  background: linear-gradient(90deg, var(--menthe-vif), var(--vert-vif), var(--menthe-vif));
  background-size: 200% 100%;
}

/* ---------- Hero ---------- */
.hero {
  background: var(--anthracite);
  padding: 4.5rem 0 3.5rem;
}
.hero h1 { color: var(--blanc); }
.hero .eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--menthe-vif), var(--vert-vif));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  font-size: 1.15rem;
  max-width: 60ch;
  color: #C9C7BF;
}
.hero-actions { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: .95rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: linear-gradient(90deg, var(--menthe-vif), var(--vert-vif)); color: var(--anthracite); }
.btn-secondary { background: var(--blanc); color: var(--vert-foret); border: 1.5px solid var(--vert-foret); }
.btn-secondary-dark { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,.4); }
.btn-secondary-dark:hover { border-color: var(--menthe-vif); color: var(--menthe-vif); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--ombre); }

/* ---------- Cartes activités ---------- */
.grid-activites {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.carte {
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--ombre);
  border-top: 4px solid var(--categorie-couleur, var(--vert-mousse));
}
.carte h3 { margin-bottom: .4rem; font-size: 1.2rem; }
.carte p { font-size: .93rem; color: #4b564d; margin: 0 0 1rem; }
.carte a.lien { font-weight: 700; font-size: .88rem; text-decoration: none; }

/* ---------- Actualités ---------- */
.liste-actus { display: grid; gap: 1.5rem; margin: 2rem 0; }
.actu-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.2rem;
  background: var(--blanc);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--ombre);
}
.actu-item img { width: 100%; height: 110px; object-fit: cover; border-radius: 10px; }
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .2rem .6rem;
  border-radius: 999px;
  color: var(--blanc);
  background: var(--badge-couleur, var(--vert-mousse));
  margin-bottom: .4rem;
}
.actu-date { font-size: .82rem; color: #6b756c; }

/* ---------- Tableau planning ---------- */
table.planning { width: 100%; border-collapse: collapse; margin: 1.5rem 0; background: var(--blanc); border-radius: var(--radius); overflow: hidden; box-shadow: var(--ombre); }
table.planning th, table.planning td { padding: .75rem 1rem; text-align: left; font-size: .92rem; }
table.planning th { background: var(--vert-foret); color: var(--blanc); font-weight: 600; }
table.planning tr:nth-child(even) { background: rgba(107,143,113,.08); }

/* ---------- Formulaires ---------- */
form.formulaire { background: var(--blanc); border-radius: var(--radius); padding: 2rem; box-shadow: var(--ombre); max-width: 600px; }
form.formulaire label { display: block; font-weight: 700; font-size: .88rem; margin: 1rem 0 .3rem; }
form.formulaire input, form.formulaire select, form.formulaire textarea {
  width: 100%; padding: .7rem .9rem; border: 1.5px solid #d8d2c2; border-radius: 8px; font-family: var(--font-body); font-size: .95rem;
}
form.formulaire textarea { min-height: 120px; resize: vertical; }
form.formulaire button { margin-top: 1.4rem; }
.alerte-succes { background: #e4f2e6; border: 1px solid var(--vert-mousse); color: var(--vert-foret); padding: 1rem 1.2rem; border-radius: 10px; margin-bottom: 1.5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--anthracite); color: #C9C7BF; padding: 3rem 0 2rem; margin-top: 3rem; }
.site-footer a { color: #C9C7BF; text-decoration: none; }
.site-footer a:hover { color: var(--menthe-vif); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; }
.site-footer h4 { color: var(--menthe-vif); font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-bottom { text-align: center; font-size: .8rem; opacity: .6; margin-top: 2rem; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--anthracite);
    padding: .5rem 1.5rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav.open { display: flex; }
  .nav a { padding: .8rem 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav a:last-child { border-bottom: none; }

  .site-header .container { position: relative; }

  .actu-item { grid-template-columns: 1fr; }
  .actu-item img { height: 160px; }

  .hero { padding: 3rem 0 2rem; }
  .hero-actions .btn { width: 100%; text-align: center; }

  form.formulaire { padding: 1.4rem; }

  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.planning { min-width: 480px; }
}

@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; text-align: left; }
}

/* Accessibilité */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--bleu-yonne);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}