:root{
  --bg:#f6f1e7; --card:#fffdf8; --ink:#1b2a22; --muted:#5d6b62; --line:#e2d9c6;
  --green:#1f4d3a; --green-soft:#dfeadf; --accent:#c4572a; --accent-soft:#f6dfd3;
  --radius:16px; --shadow:0 1px 2px rgba(27,42,34,.06),0 8px 24px rgba(27,42,34,.06);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
:root[data-theme="dark"]{
  --bg:#0f1a15; --card:#16241d; --ink:#ece6d6; --muted:#a3b2a8; --line:#27382f;
  --green:#7fc09f; --green-soft:#1c3328; --accent:#e8825a; --accent-soft:#3a2219;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--green);text-underline-offset:3px}
a:hover{color:var(--accent)}
h1,h2,h3{font-family:var(--serif);line-height:1.18;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.5vw,3.8rem);font-weight:600}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1.1em}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(720px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--card);padding:8px 12px;z-index:99;border-radius:8px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{font-family:var(--serif);font-weight:700;font-size:1.6rem;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent)}
.menu{display:flex;gap:6px;align-items:center}
.menu a{padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.95rem;font-weight:500}
.menu a:hover,.menu a[aria-current="page"]{background:var(--green-soft);color:var(--green)}
.icon-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:1rem}
.burger{display:none}
@media(max-width:780px){
  .burger{display:inline-block}
  .menu{position:absolute;top:68px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);display:none}
  .menu.open{display:flex}
}

/* Hero */
.hero{padding:clamp(56px,10vw,120px) 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft),transparent 70%);z-index:0}
.hero .wrap{position:relative;z-index:1;display:grid;gap:40px;grid-template-columns:1.4fr 1fr;align-items:center}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}}
.eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:14px}
.lead{font-size:1.2rem;color:var(--muted);max-width:620px}
.hero h1 em{font-style:italic;color:var(--accent)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;background:var(--green);color:#fff;text-decoration:none;font-weight:600;border:2px solid var(--green)}
:root[data-theme="dark"] .btn{color:#0f1a15}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent;color:var(--green)}
.btn.ghost:hover{color:#fff}
.portrait{aspect-ratio:1;border-radius:28px;background:linear-gradient(135deg,var(--green),#2f7a5a);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow);position:relative}
.portrait .mono{font-family:var(--serif);font-size:7rem;font-weight:700}
.portrait small{position:absolute;bottom:18px;left:0;right:0;text-align:center;opacity:.85;font-size:.85rem}

/* Sections */
section.block{padding:56px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.section-head p{color:var(--muted);margin:0}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .2s}
.card:hover{transform:translateY(-3px)}
.card .ico{font-size:2rem;margin-bottom:10px}
.card p{color:var(--muted);margin-bottom:0}
.post-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.post-card .cover{height:140px;display:grid;place-items:center;font-size:3rem;background:var(--green-soft)}
.post-card[data-cat="Forêts & IA"] .cover{background:var(--green-soft)}
.post-card[data-cat="MEAL"] .cover{background:var(--accent-soft)}
.post-card[data-cat="Tech"] .cover{background:#e3dff1}
:root[data-theme="dark"] .post-card[data-cat="Tech"] .cover{background:#241f3a}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:6px;flex:1}
.post-card h3 a{text-decoration:none;color:var(--ink)}
.post-card h3 a:hover{color:var(--accent)}
.meta{font-size:.85rem;color:var(--muted)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
.stat{border-left:3px solid var(--accent);padding:4px 0 4px 16px}
.stat b{display:block;font-family:var(--serif);font-size:2rem;color:var(--green)}
.stat span{color:var(--muted);font-size:.92rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:.88rem;cursor:pointer;color:var(--ink)}
.chip.active,.chip:hover{background:var(--green);color:#fff;border-color:var(--green)}
:root[data-theme="dark"] .chip.active{color:#0f1a15}
.toolbar{display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-bottom:26px}
input[type=search],input[type=text],input[type=email],textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink);font:inherit}
input[type=search]{max-width:320px}
input:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
label{font-weight:600;font-size:.92rem;display:block;margin:14px 0 6px}
.timeline{border-left:2px solid var(--line);margin-left:6px;padding-left:24px}
.timeline .item{position:relative;margin-bottom:26px}
.timeline .item::before{content:"";position:absolute;left:-31px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.timeline .when{font-size:.82rem;font-weight:700;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}

/* Article */
.article-head{padding:64px 0 24px}
.article-head .meta{margin-top:10px}
.prose{font-size:1.1rem}
.prose h2{margin-top:1.8em}
.prose blockquote{border-left:4px solid var(--accent);margin:1.6em 0;padding:4px 0 4px 20px;font-family:var(--serif);font-size:1.3rem;color:var(--green)}
.prose ul{padding-left:1.2em}
.prose code{background:var(--green-soft);padding:2px 6px;border-radius:6px;font-size:.92em}
.prose pre{background:#13201a;color:#e8f1ea;padding:18px;border-radius:12px;overflow:auto;font-size:.9rem}
.prose pre code{background:none;padding:0;color:inherit}
.progress{position:fixed;top:0;left:0;height:3px;background:var(--accent);width:0;z-index:100}
.share{display:flex;gap:10px;flex-wrap:wrap;margin:36px 0}
.share a,.share button{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);text-decoration:none;font:inherit;font-size:.9rem;cursor:pointer}
.share a:hover,.share button:hover{border-color:var(--accent);color:var(--accent)}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:30px}

/* Footer */
.site-footer{margin-top:70px;background:var(--green);color:#eaf3ec;padding:46px 0 26px}
:root[data-theme="dark"] .site-footer{background:#0a120e;border-top:1px solid var(--line)}
.site-footer a{color:#eaf3ec}
.foot{display:grid;gap:30px;grid-template-columns:2fr 1fr 1fr}
@media(max-width:700px){.foot{grid-template-columns:1fr}}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:6px}
.foot h4{margin:0 0 10px;font-family:var(--serif)}
.copy{border-top:1px solid rgba(255,255,255,.18);margin-top:30px;padding-top:18px;font-size:.88rem;opacity:.85}
.notfound{text-align:center;padding:120px 0}
.notfound .big{font-family:var(--serif);font-size:7rem;color:var(--accent);line-height:1}
.hidden{display:none!important}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.share,.progress{display:none}}