:root{
  --deep:#0f2a44; --deep-2:#1d4467; --slate:#4c6884; --slate-l:#9fb7cc;
  --sand:#c8a978; --sand-l:#efe6d6; --bg:#fbf9f5; --ink:#1b2733; --muted:#5b6b7a;
  --radius:16px; --shadow:0 10px 30px rgba(15,42,68,.08);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:var(--deep-2)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;color:var(--deep);margin:0 0 .6em}
h1{font-size:clamp(2.1rem,5vw,3.6rem);color:#fff;letter-spacing:-.01em}
h1 em{font-style:italic;font-weight:400;color:var(--sand-l);display:block}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);max-width:22ch}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{width:min(1160px,100% - 48px);margin-inline:auto}
.eyebrow{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--sand);margin-bottom:.8em}
.muted{color:var(--muted);font-size:.95rem}

/* buttons */
.btn{display:inline-block;background:var(--sand);color:var(--deep);font-weight:600;text-decoration:none;padding:.9em 1.6em;border-radius:999px;border:2px solid var(--sand);transition:transform .15s,background .15s;cursor:pointer;font:inherit;font-weight:600}
.btn:hover{transform:translateY(-1px);background:#d6b989}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--small{padding:.5em 1.1em;font-size:.92rem}
.btn--full{width:100%}

/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(15,42,68,.94);backdrop-filter:blur(8px);color:#fff}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:.6em;color:#fff;text-decoration:none;font-family:var(--serif);font-size:1.3rem;font-weight:600;letter-spacing:.08em}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{color:#dfe7ef;text-decoration:none;font-size:.95rem}
.nav a:hover{color:#fff}
.nav a.btn{color:var(--deep)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.2s}

/* hero */
.hero{position:relative;min-height:min(88vh,720px);display:flex;align-items:center;overflow:hidden;background:var(--deep)}
.hero__art{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,34,56,.75) 0%,rgba(11,34,56,.35) 60%,rgba(11,34,56,0) 100%)}
.hero__content{position:relative;z-index:1;padding:110px 0 170px}
.hero__content h1{max-width:18ch}
.lead{color:#dbe4ec;font-size:1.15rem;max-width:44ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.8em}

/* sections */
.section{padding:clamp(64px,9vw,112px) 0}
.section--tint{background:var(--sand-l)}
.section--dark{background:var(--deep);color:#d6e0ea}
.section--dark h2,.section--dark h3{color:#fff}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:2.2rem}
.card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border:1px solid #ece5d8}
.card p{color:var(--muted);font-size:.96rem;margin:0}
.card__icon{width:46px;height:46px;border-radius:12px;background:var(--sand-l);display:grid;place-items:center;margin-bottom:18px}
.card__icon svg{width:24px;height:24px;fill:none;stroke:var(--deep);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.split--map{grid-template-columns:1fr 1.05fr}
.split--about{align-items:center;grid-template-columns:.9fr 1.1fr}
.split--contact{grid-template-columns:.85fr 1.15fr}

.checklist{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.checklist li{background:#fff;border-radius:12px;padding:18px 20px 18px 58px;position:relative;box-shadow:var(--shadow)}
.checklist li::before{content:"";position:absolute;left:20px;top:21px;width:22px;height:22px;border-radius:50%;background:var(--deep) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9c3a0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat}
.checklist strong{display:block;color:var(--deep)}
.checklist span{color:var(--muted);font-size:.95rem}

.communes{list-style:none;padding:0;margin:1.2em 0 1.4em;display:flex;flex-wrap:wrap;gap:8px}
.communes li{background:#fff;border:1px solid #dfe5ec;color:var(--deep);padding:.35em .85em;border-radius:999px;font-size:.88rem}
.map{margin:0;position:sticky;top:96px}
.map iframe{width:100%;aspect-ratio:4/3.2;border:0;border-radius:var(--radius);box-shadow:var(--shadow);background:#e6ecf1}
.map figcaption{font-size:.8rem;color:var(--muted);margin-top:8px}

.steps{list-style:none;padding:0;margin:2.4rem 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{position:relative;padding:28px 24px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);background:rgba(255,255,255,.03)}
.steps p{font-size:.95rem;margin:0;color:#c3d0dc}
.steps__n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--sand);color:var(--deep);font-family:var(--serif);font-weight:600;font-size:1.2rem;margin-bottom:18px}

.about__art svg{border-radius:24px;box-shadow:var(--shadow)}

.contact-info{list-style:none;padding:0;margin:1.6em 0 0;display:grid;gap:12px}
.contact-info li{display:flex;gap:16px;padding-bottom:12px;border-bottom:1px solid #dccfb8}
.contact-info li>span:first-child{min-width:96px;color:var(--muted);font-size:.9rem}
.ph{color:#9a5b1e;font-style:normal;background:#f7e9d3;border-radius:4px;padding:0 .3em}
.form{background:#fff;padding:clamp(22px,4vw,36px);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;gap:16px}
.form__notice{margin:0;background:#fff6e5;border:1px dashed var(--sand);color:#7a5520;padding:10px 14px;border-radius:10px;font-size:.88rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:.88rem;font-weight:500;color:var(--deep)}
.form input,.form select,.form textarea{font:inherit;font-size:1rem;padding:.75em .9em;border:1px solid #d3dbe3;border-radius:10px;background:#fbfcfd;color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--slate-l);border-color:var(--slate)}
.form__result{margin:0;font-size:.9rem;color:var(--slate);min-height:1.2em}

.footer{background:#0b2238;color:#9fb0c1;font-size:.9rem}
.footer__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;padding:28px 0}
.footer p{margin:0}
.footer a{color:#c9d5e0}

/* responsive */
@media (max-width:960px){
  .steps{grid-template-columns:1fr 1fr}
  .split,.split--map,.split--about,.split--contact{grid-template-columns:1fr}
  .map{position:static}
  .about__art{max-width:420px}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--deep);flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav a.btn{margin-top:12px;width:auto;border-bottom:2px solid var(--sand)}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{width:min(1160px,100% - 36px)}
  .hero{min-height:auto}
  .hero__content{padding:72px 0 150px}
  .hero::after{background:linear-gradient(180deg,rgba(11,34,56,.7) 0%,rgba(11,34,56,.35) 70%,rgba(11,34,56,.1) 100%)}
  .steps{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .hero__cta .btn{width:100%;text-align:center}
  .contact-info li{flex-direction:column;gap:2px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
@media (max-width:820px){ .nav a.btn{padding:.6em 1.4em} }
@media (max-width:560px){
  .card{padding:20px;display:grid;grid-template-columns:46px 1fr;column-gap:16px}
  .card__icon{margin:0;grid-row:span 2}
  .card h3{margin-bottom:.3em;align-self:center}
  .contact-info li{align-items:flex-start}
  .hero__content{padding-bottom:110px}
}

/* téléphones */
.phones{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.phones li{border:0;padding:0;display:block}

/* formulaire : RGPD + anti-spam */
.form{position:relative}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__rgpd{margin:0;font-size:.82rem;line-height:1.5;color:var(--muted)}

/* pages légales */
.nav--simple a{color:#dfe7ef}
.legal-hero{background:var(--deep);color:#d6e0ea;padding:clamp(48px,7vw,80px) 0 clamp(36px,5vw,56px)}
.legal-hero h1{font-size:clamp(2rem,4.2vw,3rem);margin-bottom:.3em}
.legal-hero p{margin:0;color:#c3d0dc;max-width:62ch}
.legal{padding:clamp(40px,6vw,72px) 0 clamp(64px,8vw,96px)}
.legal__inner{max-width:820px}
.legal__toc{background:var(--sand-l);border-radius:var(--radius);padding:20px 26px;margin:0 0 2.4rem}
.legal__toc p{margin:0 0 .4em;font-weight:600;color:var(--deep)}
.legal__toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:32px;font-size:.95rem}
.legal section{margin-bottom:2.4rem}
.legal h2{font-size:clamp(1.35rem,2.4vw,1.7rem);max-width:none;padding-bottom:.4em;border-bottom:1px solid #e3dccd}
.legal h3{font-size:1.05rem;margin-top:1.4em}
.legal ul{padding-left:1.2em}
.legal li{margin-bottom:.3em}
.legal dl{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:8px 20px;margin:0 0 1em}
.legal dt{color:var(--muted);font-size:.92rem}
.legal dd{margin:0}
.legal dd .phones{gap:0}
.legal .note{background:#fff6e5;border:1px dashed var(--sand);color:#7a5520;padding:12px 16px;border-radius:10px;font-size:.92rem}
.legal .updated{color:var(--muted);font-size:.92rem;margin-top:2.6rem;padding-top:1rem;border-top:1px solid #e3dccd}
.merci{min-height:calc(100vh - 68px - 84px);display:flex;align-items:center;padding:64px 0}
.merci .wrap{max-width:640px;text-align:center}
.merci h1{color:var(--deep);font-size:clamp(2rem,4vw,2.8rem)}
@media (max-width:820px){.nav.nav--simple{position:static;display:flex;background:none;padding:0;flex-direction:row}.nav.nav--simple a{border:0;padding:0;width:auto}}
@media (max-width:560px){.legal dl{grid-template-columns:1fr;gap:2px}.legal dd{margin-bottom:10px}.legal__toc ol{columns:1}}
.legal .phones{padding-left:0;margin:0}.legal .phones li{margin:0}
@media (max-width:820px){.nav.nav--simple{gap:16px;align-items:center}.nav.nav--simple a.btn{margin-top:0;padding:.45em 1em}}
@media (max-width:420px){.nav.nav--simple a:not(.btn){display:none}}