:root{
  /* === ZEN EQUILIBRÉ === */
  --bg: #2a2f2d;                     /* gris moyen */
  --surface: rgba(255,255,255,0.22);
  --surface-2: rgba(255,255,255,0.30);

  --text: rgba(255,255,255,0.96);
  --muted: rgba(255,255,255,0.82);

  --line: rgba(255,255,255,0.22);

  /* Accents zen visibles */
  --accent: #8fbfaf;                 /* vert sauge */
  --accent-2: #e0a96d;               /* orange doux */

  --shadow: 0 18px 45px rgba(0,0,0,0.25);
  --radius: 18px;
  --max: 1100px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  line-height: 1.6;

  background:
    radial-gradient(1200px 650px at 12% 10%, rgba(143,191,175,0.32), transparent 62%),
    radial-gradient(1000px 600px at 88% 18%, rgba(224,169,109,0.28), transparent 58%),
    linear-gradient(180deg, #343a38, var(--bg) 55%, #343a38);
}

a{ color: inherit; text-decoration:none; }
.container{
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}
.muted{ color: var(--muted); }

/* ===== HEADER ===== */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(42,47,45,0.75);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}

.brand{
  display:flex;
  gap: 10px;
  align-items:baseline;
}
.brand__mark{
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .06em;
  background: linear-gradient(
    135deg,
    rgba(143,191,175,0.55),
    rgba(224,169,109,0.35)
  );
  border: 1px solid rgba(143,191,175,0.45);
  color: #1b1f1e;
}
.brand__text{
  color: var(--muted);
  font-weight: 600;
  display:none;
}
@media (min-width:720px){
  .brand__text{ display:block; }
}

.nav{
  display:flex;
  gap: 10px;
}
.nav__link{
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
}
.nav__link:hover{
  background: rgba(255,255,255,0.18);
  color: var(--text);
}
.nav__link.is-active{
  background: rgba(143,191,175,0.38);
  border: 1px solid rgba(143,191,175,0.55);
  color: #0e1110;
}

/* ===== HERO ===== */
.hero{
  position: relative;
  padding: 80px 0 50px;
  background:
    linear-gradient(
      rgba(42,47,45,0.20),
      rgba(42,47,45,0.45)
    ),
    radial-gradient(900px 500px at 20% 30%, rgba(143,191,175,0.28), transparent 60%),
    radial-gradient(900px 500px at 80% 25%, rgba(224,169,109,0.22), transparent 60%),
    url("/assets/images/fond-zen.jpg") center / cover no-repeat;
}

.hero__inner{
  display:grid;
  gap: 18px;
  grid-template-columns: 1.1fr .9fr;
}
@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
}

h1{
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.15;
}
h2{
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}
h3{ font-size: 1.15rem; }

/* ===== SECTIONS ===== */
.section{ padding: 46px 0; }
.section--alt{
  background: rgba(255,255,255,0.10);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ===== CARDS ===== */
.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card--accent{
  background: linear-gradient(
    135deg,
    rgba(224,169,109,0.35),
    rgba(255,255,255,0.20)
  );
  border-color: rgba(224,169,109,0.55);
}

/* ===== BOUTONS ===== */
.btn{
  display:inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(143,191,175,0.95);
  border: 1px solid rgba(143,191,175,0.85);
  color: #0e1110;
  font-weight: 650;
}
.btn:hover{ filter: brightness(1.1); }

.btn--ghost{
  background: rgba(255,255,255,0.18);
  border-color: var(--line);
  color: var(--text);
}

/* ===== FOOTER ===== */
.footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  background: rgba(42,47,45,0.70);
  color: var(--muted);
}
.footer__inner{
  display:flex;
  justify-content:space-between;
}
/* Cache le bouton "Ouvrir le menu" sur desktop */
.nav-toggle{
  display: none;
}

/* Affiche le bouton seulement sur mobile */
@media (max-width: 820px){
  .nav-toggle{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
  }
}