:root{
  --bg:#fff8fb;--card:#fff;--txt:#2b1d24;--muted:#6d5a63;--line:#f3d9e4;
  --pink:#e8588d;--pink-d:#c43a6e;--green:#2f9e6a;--green-d:#1f7a50;--r:16px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#12100f;--card:#1b1718;--txt:#f4e9ee;--muted:#b9a5ae;--line:#33272d;--pink:#ff7aa8;--pink-d:#ff9bbd;--green:#4cc88f;--green-d:#7fe0b2}
}
:root[data-theme=light]{--bg:#fff8fb;--card:#fff;--txt:#2b1d24;--muted:#6d5a63;--line:#f3d9e4;--pink:#e8588d;--pink-d:#c43a6e;--green:#2f9e6a;--green-d:#1f7a50}
:root[data-theme=dark]{--bg:#12100f;--card:#1b1718;--txt:#f4e9ee;--muted:#b9a5ae;--line:#33272d;--pink:#ff7aa8;--pink-d:#ff9bbd;--green:#4cc88f;--green-d:#7fe0b2}
*{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6}
a{color:var(--green-d)}
.wrap{max-width:900px;margin:0 auto;padding:0 16px}

/* En-tête */
header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--line);z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;padding-top:8px;padding-bottom:8px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--pink)}
.logo span{color:var(--green)}
nav{display:flex;gap:6px;align-items:center;font-size:.95rem;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--txt);padding:4px 10px;border-radius:999px}
nav a:hover{color:var(--pink)}
nav a[aria-current=page]{background:color-mix(in srgb,var(--pink) 16%,transparent);color:var(--pink-d);font-weight:700}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--txt);border-radius:999px;padding:6px 12px}
button:hover{border-color:var(--pink)}

/* Héros */
.hero{padding:48px 0 32px;text-align:center}
.hero h1{font-size:clamp(2rem,7vw,3.2rem);line-height:1.15;margin-bottom:14px}
.hero h1 em{font-style:normal;color:var(--pink)}
.hero h1 em.g{color:var(--green)}
.hero p{color:var(--muted);max-width:580px;margin:0 auto 22px}
.pagehead{padding:36px 0 8px}
.pagehead h1{font-size:clamp(1.7rem,6vw,2.4rem);line-height:1.2;margin-bottom:8px}
.pagehead p{color:var(--muted);max-width:620px}
.btn{display:inline-block;background:var(--pink);color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:700}
.btn:hover{background:var(--pink-d)}
.badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:22px}
.badge{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:.85rem;color:var(--muted)}

/* Sections et cartes */
section{padding:30px 0}
h2{font-size:1.5rem;margin-bottom:6px}
.sub{color:var(--muted);margin-bottom:18px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.card h3{font-size:1.05rem;margin:6px 0}
.card p{color:var(--muted);font-size:.95rem}
.ico{font-size:1.6rem}
.tag{display:inline-block;font-size:.75rem;background:color-mix(in srgb,var(--green) 18%,transparent);color:var(--green-d);padding:2px 8px;border-radius:999px;margin-top:8px}
a.card{display:block;text-decoration:none;color:var(--txt)}
a.card:hover{border-color:var(--pink)}
.more{color:var(--pink-d);font-weight:700;margin-top:8px;display:inline-block}

/* Filtres par catégorie */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px}
.chip{padding:7px 14px}
.chip.active{background:var(--pink);border-color:var(--pink);color:#fff;font-weight:700}
.list{display:grid;gap:12px}

/* Fiches DIY et conseils */
.diy summary{cursor:pointer;font-weight:700;font-size:1.05rem}
.diy p,.diy ol,.diy ul{color:var(--muted);font-size:.95rem;margin-top:10px}
.diy ol,.diy ul{padding-left:22px;display:grid;gap:6px}
.diy b{color:var(--txt)}
.tip{background:color-mix(in srgb,var(--pink) 10%,transparent);padding:8px 12px;border-radius:10px}
.warn{background:color-mix(in srgb,#e0a100 16%,transparent);padding:8px 12px;border-radius:10px}
.gain{color:var(--green-d);font-weight:700;font-size:.9rem;margin-top:8px}
.catlabel{font-size:.78rem;color:var(--pink-d);font-weight:700;text-transform:uppercase;letter-spacing:.04em}

/* Calculateurs */
.calc label{display:block;margin:14px 0 4px;font-weight:600}
.calc input[type=range]{width:100%;accent-color:var(--pink)}
.calc input[type=number],.calc select{width:100%;font:inherit;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--txt)}
.calc output{color:var(--pink-d);font-weight:700}
.result{margin-top:20px;padding:16px;border-radius:var(--r);background:color-mix(in srgb,var(--green) 12%,var(--card));border:1px solid var(--line)}
.result strong{font-size:1.8rem;color:var(--green-d)}
.bar{height:10px;background:var(--line);border-radius:99px;overflow:hidden;margin:10px 0}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--pink));transition:width .4s}
.small{color:var(--muted);font-size:.8rem;margin-top:10px}

/* Défi */
.check{list-style:none;padding:0;display:grid;gap:8px}
.check label{display:flex;gap:10px;align-items:flex-start;background:var(--card);border:1px solid var(--line);padding:12px;border-radius:12px;cursor:pointer}
.check input{accent-color:var(--green);margin-top:5px;width:18px;height:18px}
.score{margin-top:14px;font-weight:700}

/* Pied de page */
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:.9rem;text-align:center;margin-top:20px}
.weight{margin-top:6px}
.pslabel{display:inline-flex;align-items:center;gap:10px;margin:16px auto 4px;padding:8px 16px;border-radius:14px;border:1px solid var(--pink);background:linear-gradient(135deg,color-mix(in srgb,var(--pink) 14%,var(--card)),color-mix(in srgb,var(--green) 10%,var(--card)));color:var(--txt);text-align:left;line-height:1.3}
.pslabel .psicon{font-size:1.6rem}
.pslabel b{color:var(--pink-d)}
.pslabel small{color:var(--muted)}

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