/* Natura Palm — feuille de style partagée */
:root{
  --ink:#12351f;        /* vert forêt du logo : titres, bandeaux sombres */
  --text:#25302a;
  --muted:#56635b;
  --leaf:#3f7a22;       /* vert feuille assombri pour le contraste AA */
  --leaf-light:#7fb241;
  --paper:#fbfcfa;
  --mist:#eaf0e6;
  --line:#d3ddd0;
  --larva:#8a5a2e;      /* brun-ocre de la larve : réservé aux dégâts */
  --larva-soft:#f3e9dd;
  --serif:"Newsreader",Georgia,serif;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:72rem;
  --measure:36em;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 1.0625rem/1.65 var(--sans);font-feature-settings:"kern","liga"}
main{overflow-x:clip}
img{max-width:100%;height:auto;display:block}
a{color:var(--leaf);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--leaf-light);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:500;line-height:1.12;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:450}
h2{font-size:clamp(1.7rem,3vw,2.45rem)}
h3{font-size:1.35rem;font-weight:600}
p{margin:0 0 1em;max-width:var(--measure);text-wrap:pretty}
h1,h2,h3{text-wrap:balance}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem}

/* En-tête */
.site-head{position:sticky;top:0;z-index:50}
.site-head::before{content:"";position:absolute;inset:0;background:rgba(251,252,250,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:-1}
.head-row{display:flex;align-items:center;gap:1.5rem;min-height:4.25rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font:600 1.15rem/1 var(--sans);letter-spacing:-.01em;margin-right:auto}
.brand img{width:44px;height:auto}
.brand span b{color:var(--leaf);font-weight:600}
.nav{display:flex;gap:1.4rem;align-items:center}
.nav a{color:var(--text);text-decoration:none;font-size:.95rem;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--leaf-light)}
.nav .cta-mini{background:var(--ink);color:#fff;padding:.5rem .95rem;border-radius:999px;border:0}
.nav .cta-mini:hover,.nav .cta-mini[aria-current=page]{background:var(--leaf);color:#fff;border-bottom-color:transparent}
.lang{font-size:.85rem;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.3rem .65rem}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:.45rem .7rem;font:inherit;color:var(--ink);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:4.25rem 0 0 0;height:calc(100dvh - 4.25rem);background:var(--paper);flex-direction:column;align-items:flex-start;padding:2rem 1.25rem;gap:1.1rem;transform:translateX(100%);transition:transform .25s ease;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{font-size:1.2rem}
}

/* Boutons */
.btn{display:inline-block;font:600 1rem/1 var(--sans);text-decoration:none;padding:.95rem 1.4rem;border-radius:999px;transition:background .2s,color .2s,transform .2s;cursor:pointer}
.btn-main{background:var(--ink);color:#fff}
.btn-main:hover{background:var(--leaf);color:#fff}
.btn-ghost{color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}

/* Accueil : premier écran */
.hero{padding:3.5rem 0 4rem}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero-logo{justify-self:center;width:min(100%,400px)}
.lead{font-size:1.2rem;color:var(--text);max-width:32em}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:1rem}.hero-logo{order:-1;width:min(38vw,150px)}.hero{padding:1rem 0 3rem}.lead{font-size:1.02rem}.hero .btns{margin-top:1.1rem}}
@media (max-height:700px) and (max-width:900px){.hero-logo{width:110px}}

/* Sections */
.sec{padding:4.5rem 0}
.sec-mist{background:var(--mist)}
.sec-dark{background:var(--ink);color:#e6eee4}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-dark a{color:#b9dc8a}
.bluf{font-size:1.15rem;color:var(--ink);font-family:var(--serif);max-width:34em}
.sec-dark .bluf{color:#fff}
.page-head{padding:3.5rem 0 2rem;border-bottom:1px solid var(--line)}
.page-head p{font-size:1.15rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr;gap:2rem}}

/* Figure photo */
figure{margin:0}
figcaption{font-size:.8rem;color:var(--muted);margin-top:.45rem;max-width:none}
.photo img{border-radius:6px;width:100%;object-fit:cover}
.photo-wide img{aspect-ratio:21/9}
.photo-tall img{aspect-ratio:4/5}

/* Chiffres sourcés */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:2.5rem;border-top:1px solid var(--line)}
.fact{padding:1.4rem 1.4rem 1.2rem 0;border-right:1px solid var(--line);margin-right:1.4rem}
.fact:last-child{border-right:0;margin-right:0}
.fact strong{display:block;font:500 2.1rem/1.05 var(--serif);color:var(--ink);margin-bottom:.4rem}
.fact span{display:block;font-size:.95rem}
.fact a{font-size:.8rem;color:var(--muted)}
@media (max-width:860px){.facts{grid-template-columns:1fr 1fr}.fact{border-right:0;margin-right:0;border-bottom:1px solid var(--line)}}
@media (max-width:480px){.facts{grid-template-columns:1fr}}

/* Tableaux */
.table-wrap{overflow-x:auto;margin:1.5rem 0 1rem;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:36rem}
th,td{text-align:left;vertical-align:top;padding:.75rem .9rem .75rem 0;border-bottom:1px solid var(--line)}
th{font-weight:600;color:var(--ink);font-size:.85rem;border-bottom:2px solid var(--ink)}
td:first-child{font-weight:600;color:var(--ink)}
.sec-dark th,.sec-dark td{border-color:rgba(255,255,255,.2)}
.sec-dark th,.sec-dark td:first-child{color:#fff}
.src{font-size:.82rem;color:var(--muted);max-width:none}
.sec-dark .src{color:#b8c7b5}

/* Coupe du stipe : élément signature */
.trunk{background:var(--ink);color:#e6eee4}
.trunk-stage{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;gap:2.5rem;align-items:center;padding:5rem 0 2rem}
.trunk-svg{width:min(100%,560px);justify-self:center}
.trunk h2{color:#fff}
.trunk a{color:#b9dc8a}
.months{font:500 clamp(3.5rem,9vw,6.5rem)/1 var(--serif);color:#fff;font-variant-numeric:tabular-nums}
.months small{font:400 1rem/1.3 var(--sans);color:#b8c7b5;display:block;margin-top:.4rem}
.steps{list-style:none;margin:1.6rem 0 0;padding:0;position:relative;min-height:9.5rem}
.steps li{max-width:30em;color:#e6eee4}
.js .steps li{position:absolute;inset:0 auto auto 0;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s}
.js .steps li.on{opacity:1;transform:none}
.no-js .steps li,.reduce .steps li{position:static;opacity:1;margin-bottom:1rem}
.steps b{color:#fff}
.outside{display:flex;align-items:center;gap:.9rem;margin-top:1.4rem;font-size:.9rem;color:#b8c7b5}
.outside svg{width:64px;height:64px;flex:none}
.trunk-note{font-size:.82rem;color:#b8c7b5;max-width:40em;padding-bottom:3rem}
@media (max-width:860px){
  .trunk-stage{grid-template-columns:1fr;gap:.6rem;padding:5rem 0 1rem;min-height:100svh;align-content:start}
  .trunk-svg{width:min(60vw,250px)}
  .months{font-size:3.2rem}
  .trunk .outside{margin-top:.6rem}
  .steps{min-height:8.5rem}
}

/* Chronologie */
.timeline{list-style:none;padding:0;margin:2rem 0 0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 1.5rem 1.5rem;max-width:44em}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45rem;width:12px;height:12px;border-radius:50%;background:var(--larva)}
.timeline time{display:block;font:600 .95rem/1.3 var(--sans);color:var(--ink)}

/* Liste des échecs */
.fails{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:2rem 2.5rem;margin-top:2rem}
.fails h3{font-size:1.15rem;margin-bottom:.35rem}
.fails p{font-size:.98rem}
.need{margin-top:2.5rem;padding:1.6rem 1.8rem;border-left:4px solid var(--leaf-light);background:#fff;font:500 1.25rem/1.45 var(--serif);color:var(--ink);max-width:44em}

/* Barres de coût sur 10 ans */
.ranges{margin:2rem 0 .8rem;max-width:56rem}
.range{display:grid;grid-template-columns:15rem 1fr;gap:1rem;align-items:center;padding:.65rem 0;border-bottom:1px solid var(--line)}
.range-label{font-weight:600;color:var(--ink);font-size:.95rem}
.range-label small{display:block;font-weight:400;color:var(--muted);font-size:.82rem}
.range-track{position:relative;height:2rem}
.range-track::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.range-bar{position:absolute;top:.5rem;height:1rem;border-radius:999px;background:var(--muted)}
.range-bar.is-felling{background:var(--larva)}
.range-bar.is-target{background:var(--leaf)}
.range-val{position:absolute;top:.35rem;font-size:.8rem;color:var(--text);white-space:nowrap;transform:translateY(-100%)}
.range-ref{position:absolute;top:0;bottom:0;border-left:1.5px dashed var(--larva)}
.axis{display:grid;grid-template-columns:15rem 1fr;gap:1rem;font-size:.75rem;color:var(--muted)}
.axis div:last-child{position:relative;height:1.2rem}
.axis div:last-child span{position:absolute;top:0;transform:translateX(-50%)}
.axis div:last-child span:first-child{transform:none}
@media (max-width:700px){.range,.axis{grid-template-columns:1fr}.axis div:first-child{display:none}}

/* Feuille de route */
.road{list-style:none;counter-reset:s;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.road li{counter-increment:s;padding:1.6rem 1.4rem 1.4rem 0;border-top:3px solid var(--leaf-light);margin-right:1.4rem}
.road li::before{content:counter(s);display:block;font:500 2rem/1 var(--serif);color:var(--leaf);margin-bottom:.6rem}
.sec-dark .road li::before{color:#b9dc8a}
.road h3{font-size:1.2rem}
.road p{font-size:.95rem}
.road .gate{font-size:.85rem;color:var(--muted)}
.sec-dark .road .gate{color:#b8c7b5}
@media (max-width:860px){.road{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.road{grid-template-columns:1fr}}

/* Encadré réglementaire */
.note{background:var(--larva-soft);border-left:4px solid var(--larva);padding:1.2rem 1.4rem;margin:1.8rem 0;max-width:46em}
.note p{margin-bottom:.5em}
.note p:last-child{margin-bottom:0}
.todo{background:#fff6d6;border:1px dashed #b38a00;padding:.1rem .4rem;border-radius:4px;font-size:.92em}

/* Contact */
.contact-box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:2rem;max-width:40rem}
.contact-box .mail{font:500 1.5rem/1.2 var(--serif);color:var(--ink);word-break:break-all}

/* Sources */
.src-list{columns:2 22rem;column-gap:3rem;padding-left:1.1rem}
.src-list li{break-inside:avoid;margin-bottom:.55rem;font-size:.95rem}

/* Pied de page */
.site-foot{border-top:1px solid var(--line);padding:3rem 0 2.5rem;font-size:.9rem;color:var(--muted);margin-top:0}
.foot-row{display:flex;flex-wrap:wrap;gap:2rem;justify-content:space-between;align-items:flex-start}
.foot-row img{width:90px}
.foot-row nav{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem}
.foot-row a{color:var(--muted)}
.foot-legal{margin-top:1.5rem;max-width:none;font-size:.82rem}

/* Révélation du titre d'accueil */
.js .hero h1 .ln{display:block;overflow:hidden;padding-bottom:.08em}
.js .hero h1 .ln>span{display:block}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}