body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout : en-tête collant, 4 vues (accueil, pour qui, comment, devis) affichées une à la fois ; bleu méditerranée + verre clair */
:root{
  --bg:#F6F9FA; --surface:#FFFFFF; --ink:#0F1E26; --muted:#4F6470; --line:#DCE6EA;
  --accent:#0B5C78; --accent-ink:#FFFFFF; --accent-soft:#E2F0F4; --sun:#E7B04A;
  --night:#0E1D24; --night-ink:#E8F1F4; --night-muted:#9DB4BE; --night-num:#2A5566;
  --f-display:"Fraunces",Georgia,"Times New Roman",serif;
  --f-body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --radius:18px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B151A; --surface:#11212A; --ink:#E9F2F5; --muted:#A3B8C1; --line:#21363F;
  --accent:#5BB7D6; --accent-ink:#06222C; --accent-soft:#163542; --sun:#E7B04A;
  --night:#071015; --night-ink:#E8F1F4; --night-muted:#9DB4BE; --night-num:#2F6275; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0B151A; --surface:#11212A; --ink:#E9F2F5; --muted:#A3B8C1; --line:#21363F;
  --accent:#5BB7D6; --accent-ink:#06222C; --accent-soft:#163542; --sun:#E7B04A;
  --night:#071015; --night-ink:#E8F1F4; --night-muted:#9DB4BE; --night-num:#2F6275; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
h1,h2,h3{text-wrap:balance;margin:0}
h1,h2{font-family:var(--f-display);font-weight:600;letter-spacing:-.01em;line-height:1.05}
h1 em,h2 em{font-style:normal;color:var(--accent);font-weight:600}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.pill{display:inline-block;border:1px solid var(--accent);background:var(--accent-soft);border-radius:999px;padding:6px 14px}

/* Header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:24px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-size:22px;font-weight:600}
.logo .word span{color:var(--accent);font-weight:600}
nav.menu{display:flex;gap:6px;margin-left:auto}
nav.menu a{text-decoration:none;color:var(--muted);font-weight:500;padding:8px 12px;border-radius:10px}
nav.menu a:hover{color:var(--ink)}
nav.menu a[aria-current="page"]{color:var(--ink);background:var(--accent-soft)}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px var(--f-body);text-decoration:none;border-radius:999px;padding:12px 22px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn:focus-visible,nav.menu a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
@media (max-width:820px){
  .bar{flex-wrap:wrap;gap:8px 16px;padding-block:10px}
  nav.menu{order:3;width:100%;margin-left:0;overflow-x:auto}
  .bar .btn{margin-left:auto;padding:9px 16px}
}

main section.view{padding-block:clamp(40px,7vw,88px)}

/* Accueil */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero>*{min-width:0}
.hero h1{font-size:clamp(44px,7vw,84px);margin-block:22px 22px}
.hero .lead{font-size:18px;color:var(--muted);max-width:52ch}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.proofs{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;padding:0;list-style:none;color:var(--muted);font-size:14px}
.proofs li{display:flex;align-items:center;gap:8px}
.proofs svg{flex:none;color:var(--accent)}
.visual{position:relative}
.visual svg.glass{width:100%;height:auto;max-width:100%;display:block;border-radius:28px;box-shadow:0 30px 60px -30px rgba(11,60,80,.45)}
.badge{position:absolute;left:-14px;bottom:28px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:0 12px 30px -16px rgba(0,0,0,.35);max-width:240px;font-size:13px;color:var(--muted)}
.badge strong{display:block;color:var(--ink);font-size:15px}
@media (max-width:860px){.hero{grid-template-columns:1fr}.badge{left:12px}}

.ribbon{background:var(--night);color:var(--night-ink);overflow:hidden;padding-block:20px}
.ribbon-track{display:flex;gap:40px;width:max-content;animation:slide 40s linear infinite;font-family:"Playfair Display",Georgia,serif;font-style:italic;font-weight:500;font-size:clamp(20px,2.4vw,28px)}
.ribbon-track span::after{content:"✦";font-style:normal;font-size:14px;color:var(--sun);margin-left:40px}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ribbon-track{animation:none}}

.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.services>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-width:0}
.services h3{font-size:18px;margin-bottom:6px}
.services p{color:var(--muted);font-size:15px}
@media (max-width:860px){.services{grid-template-columns:1fr}}
.section-head{display:flex;flex-direction:column;gap:12px;max-width:720px}
.section-head h2{font-size:clamp(32px,4.4vw,52px)}
.section-head p{color:var(--muted);font-size:17px}

.callout{margin-top:56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;background:var(--accent-soft);border-radius:24px;padding:28px clamp(20px,4vw,40px)}
.callout h3{font-family:var(--f-display);font-size:clamp(24px,3vw,32px);font-weight:600}
.callout p{color:var(--muted);margin-top:4px}

/* Pour qui */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px;min-width:0}
.ico{width:46px;height:46px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.card h3{font-size:21px}
.card p{color:var(--muted)}
.card ul{margin:4px 0 0;padding-left:18px;color:var(--muted);font-size:15px}
.card .tag{align-self:flex-start;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:999px}
@media (max-width:760px){.cards{grid-template-columns:1fr}}

/* Comment ça marche */
.dark{background:var(--night);color:var(--night-ink)}
.dark .eyebrow{color:var(--sun)}
.dark h2{color:var(--night-ink)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px;padding:0;list-style:none;counter-reset:s}
.steps li{min-width:0;counter-increment:s}
.steps li::before{content:"0" counter(s);display:block;font-family:var(--f-display);font-size:64px;font-weight:600;line-height:1;color:var(--night-num);padding-bottom:14px;border-bottom:1px solid var(--night-num);width:72px;margin-bottom:18px}
.steps h3{font-size:20px;margin-bottom:8px}
.steps p{color:var(--night-muted);font-size:15px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.zone{margin-top:56px;text-align:center;color:var(--night-muted)}
.zone strong{color:var(--night-ink);font-weight:600}
.faq{margin-top:56px;display:grid;gap:12px;max-width:820px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{color:var(--muted);margin-top:10px}

/* Devis */
.devis{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,64px);align-items:start}
.devis>*{min-width:0}
.devis aside p{color:var(--muted);margin-top:14px}
.contact-list{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px}
.contact-list li{display:flex;gap:10px;align-items:center}
.contact-list svg{color:var(--accent);flex:none}
form.quote{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(20px,4vw,36px);display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
label{font-weight:600;font-size:14px}
label small{font-weight:400;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%}
textarea{min-height:110px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{font-weight:500;border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer;background:var(--bg)}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips label:has(input:checked){background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.chips label:has(input:focus-visible){outline:3px solid var(--sun);outline-offset:2px}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.form-foot small{color:var(--muted)}
.ok{grid-column:1/-1;background:var(--accent-soft);border-radius:14px;padding:16px 18px}
.err{color:#B3261E;font-size:14px}
@media (max-width:860px){.devis{grid-template-columns:1fr}}
@media (max-width:560px){form.quote{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding-block:32px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between}

.legal{display:grid;gap:10px}
.legal h3{font-size:18px;margin-top:18px}
.legal p{color:var(--muted)}
footer a{color:inherit}
.rgpd{grid-column:1/-1;color:var(--muted);font-size:13px}