:root{
  --bg:#ffffff;
  --paper:#fbfaf7;
  --text:#1b1b1b;
  --muted:#55605e;

  --accent:#5c7f7a;      /* vert sauge */
  --accent2:#2f4a47;     /* sauge foncé */
  --accentTint:#eef6f5;  /* sauge très clair */
  --accentTint2:#e3f0ee; /* sauge clair */

  --border:#dbe7e4;
  --radius:16px;
  --shadow:0 10px 26px rgba(0,0,0,.08);
  --max:1080px;

  --font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:linear-gradient(180deg, var(--paper) 0%, #ffffff 35%, #ffffff 100%);
  line-height:1.6;
}
a{color:inherit}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:linear-gradient(180deg, var(--accentTint) 0%, rgba(255,255,255,.96) 100%);
  border-bottom:1px solid var(--border);
  backdrop-filter: blur(10px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 18px;
}
.brand__name{
  text-decoration:none;
  font-weight:900;
  letter-spacing:.2px;
  color:var(--accent2);
}
.brand__tag{
  margin-top:2px;
  font-size:14px;
  color:var(--accent2);
  opacity:.85;
}

/* Hamburger */
.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  gap:5px;
  background:rgba(255,255,255,.7);
  border:1px solid #cfe1de;
  padding:10px 12px;
  border-radius:14px;
  cursor:pointer;
}
.nav-toggle__bar{
  width:20px;
  height:2px;
  background:var(--accent2);
  display:block;
  border-radius:2px;
}

/* NAV (mobile) */
.nav{
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:60px;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--border);
  padding:12px 18px 16px;
  box-shadow:0 14px 40px rgba(0,0,0,.10);
}
.nav a{
  display:block;
  padding:10px 12px;
  border-radius:14px;
  text-decoration:none;
  color:var(--accent2);
  font-weight:800;
  border:1px solid transparent;
}
.nav a:hover{
  background:var(--accentTint2);
  border-color:#cfe1de;
}
.nav--open{display:block;}

/* BUTTONS */
.btn{
  display:inline-block;
  background:var(--accent);
  color:#fff !important;
  text-decoration:none;
  padding:12px 18px;
  border-radius:14px;
  font-weight:850;
  box-shadow:var(--shadow);
}
.btn:hover{background:var(--accent2)}
.btn-small{
  padding:10px 14px;
  border-radius:999px;
  box-shadow:none;
  border:1px solid rgba(47,74,71,.15);
  background:rgba(255,255,255,.7);
  color:var(--accent2) !important;
}
.btn-small:hover{
  background:var(--accentTint2);
}
.btn-nav{margin-top:8px}

/* MAIN */
.main{padding:26px 0 82px} /* space for mobile CTA */
.hero{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:
    radial-gradient(1200px 420px at 15% 0%, rgba(92,127,122,.10), transparent 60%),
    radial-gradient(900px 380px at 90% 10%, rgba(92,127,122,.08), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, var(--accentTint) 100%);
  box-shadow:0 8px 24px rgba(0,0,0,.05);
}
.hero h1{
  margin:0;
  font-size:30px;
  line-height:1.15;
  color:var(--accent2);
  letter-spacing:-.2px;
}
.hero p{
  margin:10px 0 0 0;
  color:var(--muted);
  font-size:17px;
}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:10px}
.kicker{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(92,127,122,.14);
  color:var(--accent2);
  font-weight:850;
  font-size:13px;
}

/* GRID / CARDS */
.grid{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(12, 1fr);
  margin-top:18px;
}
.card{
  grid-column:span 12;
  border-radius:var(--radius);
  border:1px solid rgba(47,74,71,.10);
  background:rgba(255,255,255,.92);
  box-shadow:0 10px 24px rgba(0,0,0,.05);
  padding:18px;
}
.card--soft{
  background:linear-gradient(180deg, var(--accentTint) 0%, rgba(255,255,255,.85) 100%);
  border-color:#d7e6e3;
}
h2{
  margin:0 0 10px 0;
  font-size:22px;
  color:var(--accent2);
}
h3{margin:16px 0 8px 0}
ul,ol{margin:10px 0 0 18px}

blockquote{
  margin:14px 0 0 0;
  padding:14px 16px;
  border-left:4px solid var(--accent);
  background:rgba(227,240,238,.75);
  border-radius:14px;
  color:#223a37;
  font-weight:650;
}

.badges{display:flex; gap:10px; flex-wrap:wrap}
.badge{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid #cfe1de;
  background:rgba(255,255,255,.85);
  color:var(--accent2);
  font-weight:750;
  font-size:13px;
}

hr{border:none; border-top:1px solid rgba(47,74,71,.12); margin:18px 0}
.quote-card{background:var(--accentTint); border:1px solid #d7e6e3; border-radius:var(--radius); padding:16px}
.quote-card p{margin:0}
.quote-card .who{margin-top:10px; color:var(--muted); font-size:14px}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--border);
  background:linear-gradient(0deg, var(--accentTint) 0%, #ffffff 100%);
}
.site-footer .container{padding:22px 18px}
.footer-grid{
  display:grid;
  gap:14px;
  grid-template-columns:repeat(12, 1fr);
}
.footer-grid > div{grid-column:span 12}
.fineprint{
  margin-top:14px;
  color:var(--muted);
  font-size:13px;
}

/* small note card */
.fine-note{
  background:rgba(255,255,255,.75);
  border:1px dashed rgba(47,74,71,.22);
  box-shadow:none;
}

/* Mobile fixed CTA */
.mobile-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  padding:10px 14px;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-top:1px solid var(--border);
  z-index:60;
}
.mobile-cta__btn{
  width:100%;
  text-align:center;
  border-radius:14px;
  padding:14px 18px;
}

/* Desktop */
@media (min-width: 860px){
  .nav-toggle{display:none}
  .nav{
    display:flex !important;
    position:static;
    padding:0;
    background:transparent;
    border:none;
    box-shadow:none;
    gap:8px;
    align-items:center;
  }
  .nav a{display:inline-block; padding:9px 12px; border-radius:999px}
  .btn-nav{margin-top:0}
  .main{padding:34px 0 46px}
  .mobile-cta{display:none}
  .hero h1{font-size:40px}
  .card.half{grid-column:span 6}
  .card.third{grid-column:span 4}
  .footer-grid > div{grid-column:span 4}
  h2{font-size:24px}
}