:root{
  --bg:#f6f1e7;
  --paper:#fbf8f1;
  --ink:#24352a;
  --green:#2f4a36;
  --sage:#6b8f6e;
  --sage-soft:#e3e9dc;
  --lavender:#a98bb8;
  --muted:#7a7564;
  --line:#d9cfba;
  --gold:#b0945e;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Jost",system-ui,sans-serif;
  font-weight:300;
  line-height:1.7;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background-image:
    radial-gradient(ellipse at 15% 0%, rgba(107,143,110,.10), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(176,148,94,.09), transparent 50%);
  background-attachment:fixed;
}
a{color:inherit}
img,svg{max-width:100%}
.serif{font-family:"Cormorant Garamond",Georgia,serif}

/* ---------- En-tête ---------- */
.site-header{
  position:sticky;top:0;z-index:10;
  background:rgba(246,241,231,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1080px;margin:0 auto;
  padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--green);
}
.brand svg{width:22px;height:30px}
.brand span{
  font-family:"Cormorant Garamond",Georgia,serif;
  font-weight:500;font-size:1.35rem;letter-spacing:.16em;
}
.nav{display:flex;gap:26px;list-style:none}
.nav a{
  text-decoration:none;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);padding:6px 0;border-bottom:1px solid transparent;transition:.25s;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--green);border-bottom-color:var(--green)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font:inherit;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--green);cursor:pointer}

@media (max-width:760px){
  .menu-btn{display:block}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    padding:8px 20px 16px;
  }
  .nav.open{display:flex}
  .nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav li:last-child a{border-bottom:none}
}

/* ---------- Mise en page ---------- */
main{flex:1}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.hero{
  text-align:center;padding:72px 20px 48px;
  animation:rise 1.1s ease-out both;
}
.eyebrow{
  font-size:.75rem;letter-spacing:.38em;text-transform:uppercase;color:var(--sage);
  padding-left:.38em;
}
.hero h1{
  font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;
  font-size:clamp(2.4rem,7vw,3.8rem);line-height:1.1;color:var(--green);
  margin-top:14px;
}
.hero p.lead{
  max-width:620px;margin:20px auto 0;color:var(--muted);font-size:1.05rem;
}
.rule{width:64px;height:1px;background:var(--line);margin:32px auto}

section{padding:40px 0}
h2{
  font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;
  font-size:clamp(1.8rem,4.5vw,2.4rem);color:var(--green);line-height:1.2;
}
h3{
  font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;
  font-size:1.45rem;color:var(--green);line-height:1.25;
}
p + p{margin-top:14px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media (max-width:760px){.split{grid-template-columns:1fr;gap:28px}}
.split .text p{color:var(--muted);margin-top:14px}

.quote{
  text-align:center;max-width:720px;margin:0 auto;
  font-family:"Cormorant Garamond",Georgia,serif;font-style:italic;
  font-size:clamp(1.4rem,3.6vw,1.9rem);line-height:1.45;color:var(--ink);
}
.quote small{display:block;margin-top:14px;font-family:"Jost",sans-serif;font-style:normal;
  font-size:.75rem;letter-spacing:.3em;text-transform:uppercase;color:var(--sage)}

.panel{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:34px;
}

/* ---------- Cartes ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:28px 26px;transition:transform .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(36,53,42,.35)}
.card .icon{width:46px;height:46px;margin-bottom:16px}
.card p{color:var(--muted);margin-top:10px;font-size:.97rem}
.tag{
  display:inline-block;margin-top:18px;font-size:.68rem;letter-spacing:.25em;text-transform:uppercase;
  color:var(--sage);border:1px solid var(--sage);border-radius:999px;padding:4px 12px 4px calc(12px + .25em);
}
.card .plants{margin-top:14px;font-size:.85rem;color:var(--ink)}
.card .plants b{font-weight:400;color:var(--green)}

/* Herbier */
.herb{padding:0;overflow:hidden}
.herb summary{
  list-style:none;cursor:pointer;padding:26px 26px 22px;display:flex;gap:16px;align-items:center;
}
.herb summary::-webkit-details-marker{display:none}
.herb .latin{font-style:italic;color:var(--muted);font-size:.88rem}
.herb .plus{
  margin-left:auto;flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--green);transition:transform .3s;font-size:1.1rem;
}
.herb[open] .plus{transform:rotate(45deg)}
.herb .body{padding:0 26px 26px;color:var(--muted);font-size:.95rem;border-top:1px dashed var(--line);margin:0 26px;padding:18px 0 24px}
.herb .body dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin-top:12px}
.herb .body dt{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage);padding-top:3px}
.herb .body dd{color:var(--ink)}
.herb svg.leaf{width:42px;height:42px;flex:none}

/* Engagements numérotés */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  font-family:"Cormorant Garamond",Georgia,serif;font-size:2.4rem;line-height:1;color:var(--gold);
}
.step p{color:var(--muted);margin-top:6px}

/* Boutons */
.btn{
  display:inline-block;text-decoration:none;
  padding:13px 30px 13px calc(30px + .28em);border-radius:999px;
  font-size:.76rem;letter-spacing:.28em;text-transform:uppercase;
  border:1px solid var(--green);color:var(--green);background:transparent;transition:.25s;
}
.btn:hover{background:var(--green);color:var(--paper)}
.btn.solid{background:var(--green);color:var(--paper)}
.btn.solid:hover{background:var(--ink)}
.center{text-align:center}
.next{padding:24px 0 72px;text-align:center}
.next .eyebrow{display:block;margin-bottom:16px}

/* Pied de page */
.site-footer{
  border-top:1px solid var(--line);margin-top:24px;
  padding:34px 20px 38px;text-align:center;color:var(--muted);font-size:.8rem;letter-spacing:.06em;
}
.site-footer .fnav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-bottom:14px;list-style:none}
.site-footer .fnav a{text-decoration:none}
.site-footer .fnav a:hover{color:var(--green)}
.site-footer .notice{max-width:620px;margin:14px auto 0;font-size:.74rem;opacity:.85}
.site-footer span.star{color:var(--sage)}

@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Correctifs */
section.wrap{padding-top:40px;padding-bottom:40px}
.grid{align-items:start}
.card > svg.leaf{width:46px;height:46px;margin-bottom:16px;display:block}
.herb .body dd.egg{font-style:italic;color:var(--lavender)}