/* Estimateur Stéphane Marvy · charte reprise du site Guide Vendeur */
@font-face{font-family:"Newsreader";font-weight:400;font-style:normal;font-display:swap;src:url(../fonts/newsreader-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-weight:500;font-style:normal;font-display:swap;src:url(../fonts/newsreader-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/newsreader-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-weight:400;font-style:italic;font-display:swap;src:url(../fonts/newsreader-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-weight:500;font-style:italic;font-display:swap;src:url(../fonts/newsreader-latin-500-italic.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:400;font-display:swap;src:url(../fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:500;font-display:swap;src:url(../fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:600;font-display:swap;src:url(../fonts/inter-latin-600-normal.woff2) format("woff2")}

:root{
  --blue:#1b4dff;--blue-deep:#1238c4;--blue-ink:#2a4fe0;--blue-tint:#eaf0ff;--blue-soft:#c9d6ff;--sky:#9db4ff;
  --navy:#0a1633;--navy-2:#13224a;--ink:#161b26;--ink-2:#3a4252;--muted:#5f6878;
  --paper:#f7f4ee;--paper-2:#efe9df;--line:#e2ddd2;--white:#fff;--error:#b42318;--ok:#1f7a55;
  --serif:"Newsreader",Georgia,serif;--sans:"Inter",system-ui,-apple-system,sans-serif;
  --ease-out:cubic-bezier(.23,1,.32,1);
  --r:18px;--r-sm:12px;--gutter:clamp(16px,4vw,44px);--maxw:1240px;
  --shadow-sm:0 1px 2px rgba(10,22,51,.06),0 4px 14px -6px rgba(10,22,51,.12);
  --shadow-md:0 2px 6px rgba(10,22,51,.06),0 18px 40px -16px rgba(10,22,51,.28);
  --shadow-lg:0 6px 12px rgba(10,22,51,.07),0 40px 80px -28px rgba(10,22,51,.45);
}
[hidden]{display:none!important}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:820px}
h1,h2,h3{font-family:var(--serif);font-weight:500;color:var(--navy);letter-spacing:-.01em;margin:0}
h1 em,h2 em{font-style:italic;color:var(--blue)}
.eyebrow{display:flex;align-items:center;gap:12px;font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 18px}
.eyebrow::before{content:"";width:28px;height:1.5px;background:currentColor}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,244,238,.88);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent}
.header-in{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.mono{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font:500 18px var(--serif);position:relative}
.mono::after{content:"";position:absolute;inset:3px;border-radius:50%;border:1px solid rgba(157,180,255,.45)}
.who{display:flex;flex-direction:column;line-height:1.2}
.who strong{font:500 19px var(--serif);color:var(--navy)}
.who span{font:600 10.5px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:4px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px}
.nav a{text-decoration:none;font:500 14px var(--sans);padding:9px 16px;border-radius:999px;color:var(--ink-2)}
.nav a.is-active{background:var(--navy);color:#fff}
.nav a:not(.is-active):hover{background:var(--paper-2)}
.tel{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:#fff;text-decoration:none;font:600 15px var(--sans);padding:12px 20px;border-radius:999px;transition:background .2s}
.tel:hover{background:var(--blue-deep)}
.tel svg{width:16px;height:16px;fill:currentColor}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;padding:0 28px;border-radius:999px;border:0;background:var(--navy);color:#fff;font:600 15px var(--sans);text-decoration:none;cursor:pointer;transition:transform .25s var(--ease-out),background .2s,box-shadow .25s}
.btn:hover{background:var(--navy-2);box-shadow:var(--shadow-md)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn.light{background:#fff;color:var(--navy)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn.blue{background:var(--blue)}.btn.blue:hover{background:var(--blue-deep)}

/* Hero */
.hero{padding:clamp(36px,6vw,80px) 0 clamp(48px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:start}
.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.02}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);margin:24px 0 22px;max-width:34em}
.ticks{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--blue-tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231b4dff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.signature{display:flex;align-items:center;gap:14px}
.signature img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #fff;box-shadow:var(--shadow-sm)}
.signature strong{display:block;font:500 18px var(--serif);color:var(--navy)}
.signature span{font-size:14px;color:var(--muted)}

/* Estimator card */
.card{background:#fff;border-radius:24px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.estimator{padding:clamp(22px,3vw,34px);position:sticky;top:100px}
.progress{margin-bottom:22px}
.step-label{font:500 13px var(--sans);color:var(--muted);margin:0 0 10px}
.bar{height:4px;background:var(--paper-2);border-radius:4px;overflow:hidden}
.bar span{display:block;height:100%;width:14%;background:var(--blue);border-radius:4px;transition:width .5s var(--ease-out)}
.q-title{font:500 clamp(24px,2.4vw,30px)/1.15 var(--serif);color:var(--navy);margin:0 0 6px}
.q-help{color:var(--muted);font-size:14.5px;margin:0 0 20px}
.step{animation:in .45s var(--ease-out)}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font:600 13px var(--sans);color:var(--ink-2);margin-bottom:6px}
.input{width:100%;min-height:52px;padding:0 16px;border:1.5px solid var(--line);border-radius:var(--r-sm);font:400 16px var(--sans);color:var(--ink);background:var(--paper);transition:border-color .2s,background .2s}
.input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px var(--blue-tint)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.addr-wrap{position:relative}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-md);list-style:none;margin:0;padding:6px;z-index:5;max-height:280px;overflow:auto}
.suggest li{padding:11px 12px;border-radius:8px;cursor:pointer;font-size:15px}
.suggest li small{display:block;color:var(--muted);font-size:13px}
.suggest li[aria-selected=true],.suggest li:hover{background:var(--blue-tint)}
.choices{display:grid;gap:10px}
.choices.two{grid-template-columns:1fr 1fr}
.choice{position:relative;display:flex;align-items:center;gap:12px;padding:14px 16px;border:1.5px solid var(--line);border-radius:var(--r-sm);cursor:pointer;background:var(--paper);transition:border-color .2s,background .2s;font-size:15px;line-height:1.35}
.choice:hover{border-color:var(--blue-soft);background:#fff}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice .box{flex:none;width:20px;height:20px;border:1.5px solid var(--sky);border-radius:6px;background:#fff;display:grid;place-items:center;transition:all .2s}
.choice input[type=radio]+.box{border-radius:50%}
.choice input:checked+.box{background:var(--blue);border-color:var(--blue)}
.choice input:checked+.box::after{content:"";width:8px;height:8px;border-radius:50%;background:#fff}
.choice:has(input:checked){border-color:var(--blue);background:var(--blue-tint)}
.choice input:focus-visible+.box{box-shadow:0 0 0 4px var(--blue-tint)}
.group-title{font:600 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:18px 0 10px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);margin:6px 0 4px;line-height:1.45}
.consent input{margin-top:3px;width:18px;height:18px;accent-color:var(--blue);flex:none}
.err{color:var(--error);font-size:14px;margin:10px 0 0;min-height:1em}
.err:empty{display:none}
.actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px}
.actions .btn{margin-left:auto}
.link-back{background:none;border:0;font:500 15px var(--sans);color:var(--muted);cursor:pointer;padding:10px 4px}
.link-back:hover{color:var(--navy)}

/* Result */
.result-price{background:var(--navy);color:#fff;border-radius:var(--r);padding:24px;margin:6px 0 16px;position:relative;overflow:hidden}
.result-price::after{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;border:1px solid rgba(157,180,255,.25)}
.result-price .lbl{font:600 11px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--sky);margin:0 0 8px}
.result-price .range{font:500 clamp(28px,3.2vw,38px)/1.1 var(--serif);margin:0}
.result-price .mid{color:var(--blue-soft);font-size:14.5px;margin:10px 0 0}
.facts{display:grid;gap:8px;font-size:14px;color:var(--ink-2);margin:0 0 16px;padding:0;list-style:none}
.facts li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.facts li b{color:var(--navy);font-weight:600;text-align:right}
.note{font-size:13.5px;color:var(--muted);margin:0 0 18px}
.result-actions{display:grid;gap:10px}
.result-actions .btn{width:100%}

/* Marquee */
.marquee{overflow:hidden;background:var(--navy);color:var(--sky);padding:16px 0}
.track{display:flex;gap:48px;width:max-content;animation:scroll 50s linear infinite;font:italic 400 22px var(--serif)}
.track span::after{content:"·";margin-left:48px;color:var(--blue)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Sections */
.section{padding:clamp(64px,9vw,120px) 0}
.section.alt{background:var(--paper-2)}
.section h2,.cta-final h2{font-size:clamp(32px,4.2vw,52px);line-height:1.08;max-width:18em}
.steps3{list-style:none;padding:0;margin:44px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps3 li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.steps3 .n{font:italic 500 40px var(--serif);color:var(--blue)}
.steps3 h3,.grid4 h3{font-size:24px;margin:10px 0 8px}
.steps3 p,.grid4 p{margin:0;color:var(--ink-2)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.grid4 article{background:#fff;border-radius:var(--r);padding:26px;border:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,90px);align-items:center}
.arch{margin:0;border-radius:999px 999px var(--r) var(--r);overflow:hidden;aspect-ratio:4/5;box-shadow:var(--shadow-lg);background:var(--paper-2)}
.arch img{width:100%;height:100%;object-fit:cover}
.about p{color:var(--ink-2);font-size:17px}
.about h2{margin-bottom:22px;font-size:clamp(30px,3.6vw,44px)}
.values{list-style:none;padding:0;margin:22px 0 30px;display:flex;flex-wrap:wrap;gap:8px}
.values li{border:1px solid var(--blue-soft);color:var(--blue-ink);background:var(--blue-tint);border-radius:999px;padding:6px 14px;font:500 14px var(--sans)}
.faq{margin-top:36px;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 22px}
.faq summary{list-style:none;cursor:pointer;padding:20px 30px 20px 0;font:500 20px var(--serif);color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:16px;font:400 26px var(--sans);color:var(--blue);transition:transform .3s var(--ease-out)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 20px;color:var(--ink-2)}
.cta-final{background:var(--navy);color:#fff;padding:clamp(64px,9vw,110px) 0;text-align:center}
.cta-final h2{color:#fff;margin:0 auto}
.cta-final h2 em{color:var(--sky)}
.cta-final p{color:var(--blue-soft);margin:16px 0 30px}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.site-footer{background:var(--navy);border-top:1px solid rgba(157,180,255,.15);color:var(--sky);font-size:13.5px;padding:26px 0}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-in p{margin:0}

/* Legal page */
.legal{padding:60px 0 100px}
.legal h1{font-size:clamp(36px,5vw,54px);margin-bottom:28px}
.legal h2{font-size:26px;margin:34px 0 10px}
.legal p,.legal li{color:var(--ink-2)}

@media (max-width:1020px){
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .estimator{position:static}
  .grid4{grid-template-columns:1fr 1fr}
  .arch{max-width:420px}
}
@media (max-width:760px){
  .nav,.tel span{display:none}
  .tel{padding:12px}
  .steps3,.grid4{grid-template-columns:1fr}
  .choices.two{grid-template-columns:1fr}
  .who span{display:none}
}
@media (max-width:420px){.row2{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}