:root{
  --bg:#faf8f3; --sage:#eef2e8; --forest:#264a37; --forest-d:#1a3527; --moss:#6f9170; --leaf:#a9c4a0;
  --ink:#1f2a24; --muted:#5b665f; --line:#e4e2d6; --wood:#8a6a47; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:19px/1.7 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.2;color:var(--forest-d);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.3rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
a{color:var(--forest)}
img{max-width:100%}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
section{padding:72px 0}
.alt{background:var(--sage)}
.eyebrow{display:block;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--moss);font-weight:600;margin-bottom:10px}
.lead{font-size:1.12rem;color:var(--muted);max-width:44em}
.small{font-size:.9rem;color:var(--muted)}
.rule{width:44px;height:2px;background:var(--leaf);border:0;margin:0 0 22px}

/* header */
header.top{position:sticky;top:0;z-index:20;background:rgba(250,248,243,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;font-family:Georgia,serif;font-size:1.45rem;color:var(--forest-d);text-decoration:none}
.brand img{width:40px;height:40px;border-radius:50%}
.brand span{color:var(--moss)}
nav.menu{display:none;gap:24px}
nav.menu a{color:var(--ink);text-decoration:none;font-size:.95rem}
nav.menu a:hover{color:var(--moss)}
@media(min-width:900px){nav.menu{display:flex}}
.tel{background:var(--forest);color:#fff;text-decoration:none;padding:10px 20px;border-radius:999px;font-weight:600;white-space:nowrap;font-size:.95rem}
.tel:hover{background:var(--forest-d)}

/* boutons */
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;border:1px solid var(--forest);cursor:pointer;font:inherit;font-weight:600;font-size:1rem;text-decoration:none;padding:14px 26px;border-radius:999px;background:var(--forest);color:#fff;transition:background .2s}
.btn:hover{background:var(--forest-d)}
.btn.ghost{background:transparent;color:var(--forest)}
.btn.ghost:hover{background:var(--sage)}
.btn:disabled{opacity:.6;cursor:wait}

/* hero */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,var(--sage) 0%,var(--bg) 100%)}
.hero .grid{display:grid;gap:40px;align-items:center}
@media(min-width:900px){.hero .grid{grid-template-columns:1.05fr .95fr}}
.hero img.main{width:100%;height:auto;display:block;border-radius:22px}
.price-line{display:inline-block;margin:6px 0 26px;padding:10px 20px;border:1px solid var(--leaf);border-radius:18px;background:#fff;color:var(--forest-d);font-weight:600}
.price-line b{font-family:Georgia,serif;font-size:1.5rem;color:var(--forest);font-weight:400}

/* étapes */
.steps{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:32px}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.step .n{font-family:Georgia,serif;font-size:2.2rem;color:var(--leaf);line-height:1;margin-bottom:10px}
.step h3{margin-bottom:.3em}
.note{border-left:3px solid var(--leaf);padding:6px 0 6px 18px;margin-top:28px;color:var(--ink)}

/* tableau */
table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{font-weight:600;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
td.pr{font-weight:600;white-space:nowrap}
td.net{font-weight:700;color:var(--forest);white-space:nowrap;font-size:1.1rem}
tr:last-child td{border-bottom:0}

/* formulaires */
label{display:block;font-weight:600;margin:0 0 6px;font-size:.95rem}
select,input[type=text],input[type=tel],input[type=email],textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #cfd3c4;border-radius:12px;background:#fff;color:var(--ink)}
select:focus,input:focus,textarea:focus{outline:2px solid var(--leaf);border-color:var(--moss)}
textarea{min-height:100px;resize:vertical}
.field{margin-bottom:16px}
.req{color:#a14b3a}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.msg-ok{background:#e6f0e2;border-radius:12px;padding:14px 18px;margin-top:14px;color:var(--forest-d)}
.msg-err{background:#f6e7e2;border-radius:12px;padding:14px 18px;margin-top:14px;color:#6d2e22}

/* estimateur */
.calc{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;display:grid;gap:30px}
@media(min-width:860px){.calc{grid-template-columns:1.1fr .9fr}}
.qty{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.qty small{display:block;color:var(--muted);font-size:.85rem}
.stepper{display:flex;align-items:center;gap:12px}
.stepper button{width:44px;height:44px;border-radius:50%;border:1px solid var(--forest);background:#fff;color:var(--forest);font-size:1.4rem;line-height:1;cursor:pointer}
.stepper button:hover{background:var(--sage)}
.stepper output{min-width:1.6em;text-align:center;font-weight:700;font-size:1.3rem}
.result{background:var(--sage);border-radius:18px;padding:24px;text-align:center;align-self:start}
.result .net{font-family:Georgia,serif;font-size:3.2rem;color:var(--forest);line-height:1.1}
.result .detail{font-size:.9rem;color:var(--muted);margin-top:8px}

/* cartes */
.cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.card .mk{display:block;width:34px;height:2px;background:var(--leaf);margin-bottom:16px}
.alt .card,.alt .step{background:#fff}

/* zone */
.zone{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.zone li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 18px;font-size:.95rem}
.zone a{text-decoration:none;color:inherit}

/* galerie */
.gal{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.gal img{width:100%;height:250px;object-fit:cover;border-radius:18px;display:block}
.gal figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.gal figure{margin:0}
.banner{width:100%;height:auto;display:block;border-radius:22px;margin:10px 0 6px}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600;color:var(--forest-d)}
details[open] summary{margin-bottom:8px}

/* contact */
.contact-grid{display:grid;gap:36px}
@media(min-width:860px){.contact-grid{grid-template-columns:.9fr 1.1fr}}
.formcard{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px}

footer{background:var(--forest-d);color:#cfe0cc;padding:48px 0;font-size:.95rem}
footer a{color:#fff}
.fgrid{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}

/* barre mobile */
.sticky-call{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex}
.sticky-call a{flex:1;text-align:center;padding:15px 8px;font-weight:600;color:#fff;text-decoration:none}
.sticky-call .c{background:var(--forest)}
.sticky-call .w{background:#2f7d4f}
@media(min-width:900px){.sticky-call{display:none}}
body{padding-bottom:56px}
@media(min-width:900px){body{padding-bottom:0}}