/* ===== CleanOffice - design system (basé sur le Template 4) ===== */
:root{
  --ink:#07120f;          /* fond principal */
  --ink-2:#0a1712;        /* fond alterné */
  --ink-3:#0d1c16;        /* cartes */
  --line:#1c2f27;
  --paper:#f5fbf7;
  --muted:#9fb3aa;
  --muted-2:#7f948b;
  --brand:#12e29c;
  --brand-deep:#0bbf82;
  --brand2:#0891b2;
  --accent:#fef08a;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:"Inter",system-ui,sans-serif;background:var(--ink);color:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.display{font-family:"Bricolage Grotesque",sans-serif}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.wrap.narrow{max-width:820px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:"Bricolage Grotesque";font-weight:700;font-size:clamp(16px,1.4vw,19px);padding:18px 34px;border-radius:100px;cursor:pointer;border:2px solid transparent;transition:transform .16s ease, box-shadow .16s ease, background .16s;white-space:nowrap}
.btn.sm{padding:11px 22px;font-size:15px}
.btn.full{width:100%}
.btn-p{background:var(--brand);color:#04120d}
.btn-p:hover{transform:translateY(-3px);box-shadow:0 16px 40px -12px rgba(18,226,156,.7)}
.btn-g{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-g:hover{border-color:#fff;transform:translateY(-3px)}

/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px clamp(20px,4vw,48px);
  background:rgba(7,18,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(7,18,15,.9)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;font-family:"Bricolage Grotesque"}
.brand .dot{width:30px;height:30px;border-radius:9px;background:var(--brand);display:grid;place-items:center;color:#04120d;font-size:16px}
.main-nav{display:flex;gap:30px;font-weight:500;font-size:15px;color:var(--muted)}
.main-nav a{position:relative;transition:.15s}
.main-nav a:hover{color:#fff}
.header-cta{display:flex;align-items:center;gap:16px}
.header-cta .tel{font-weight:600;font-size:15px;color:#fff}
.burger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
@media(max-width:900px){.main-nav,.header-cta{display:none}.burger{display:block}}
.mobile-menu{position:fixed;top:60px;left:0;right:0;z-index:99;background:var(--ink-2);border-bottom:1px solid var(--line);display:none;flex-direction:column;gap:4px;padding:16px 24px 24px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:14px 6px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-menu a.btn{border:none;margin-top:10px;justify-content:center}

/* ===== Méga-menu (survol Services / Outils) ===== */
.main-nav a[data-mega]{display:inline-flex;align-items:center;gap:5px}
.main-nav a[data-mega]::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6;transition:.18s}
.main-nav a[data-mega].active,.main-nav a[data-mega]:hover{color:#fff}
.main-nav a[data-mega].active::after{transform:rotate(-135deg) translateY(-2px);opacity:1}
.mega{position:fixed;left:0;right:0;top:64px;z-index:98;display:flex;justify-content:center;padding:0 20px;
  opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .18s ease,transform .18s ease,visibility .18s;pointer-events:none}
.mega.open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.mega-inner{display:none;width:min(1120px,100%);background:rgba(10,23,18,.97);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:22px;box-shadow:0 50px 100px -30px rgba(0,0,0,.75);padding:26px}
.mega-inner.show{display:block}
.mega-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.mega-head h3{font-family:"Bricolage Grotesque";font-size:22px;font-weight:800}
.mega-head p{color:var(--muted);font-size:14px;margin-top:4px}
.mega-all{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;white-space:nowrap}
.mega-all svg.ico{width:16px;height:16px;color:var(--brand)}
.mega-all:hover{gap:11px}
.mega-grid.services{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mega-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--ink-3);transition:transform .16s ease,border-color .16s ease}
.mega-card:hover{transform:translateY(-4px);border-color:var(--brand)}
.mega-card .thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink)}
.mega-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.mega-card:hover .thumb img{transform:scale(1.06)}
.mega-card .body{display:flex;flex-direction:column;gap:3px;padding:12px 14px 14px}
.mega-card .ttl{font-weight:700;font-size:15px}
.mega-card .dsc{color:var(--muted);font-size:12.5px;line-height:1.4}
.mega-grid.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
.mega-tool{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:14px;transition:background .14s ease}
.mega-tool:hover{background:var(--ink-3)}
.mega-tool .i{flex:none;width:42px;height:42px;border-radius:11px;background:rgba(18,226,156,.12);display:grid;place-items:center}
.mega-tool .i svg.ico{width:22px;height:22px;color:var(--brand)}
.mega-tool .body{display:flex;flex-direction:column;gap:2px}
.mega-tool .ttl{font-weight:700;font-size:15px}
.mega-tool .dsc{color:var(--muted);font-size:12.5px;line-height:1.4}
@media(max-width:900px){.mega{display:none!important}}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:120px clamp(24px,6vw,90px) 90px;position:relative;
  background:
    radial-gradient(900px 600px at 80% 15%,rgba(18,226,156,.20),transparent),
    radial-gradient(700px 500px at 5% 95%,rgba(8,145,178,.26),transparent),var(--ink)}
.hero-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.hero-grid{display:grid;grid-template-columns:0.92fr 1.08fr;gap:clamp(28px,4vw,64px);align-items:center}
.hero-media{display:flex;justify-content:center;position:relative}
.hero-media img{width:100%;height:auto;max-width:560px;display:block;filter:drop-shadow(0 40px 80px rgba(0,0,0,.45))}
.kicker{font-size:14px;letter-spacing:.22em;text-transform:uppercase;color:var(--brand);font-weight:600}
.hero h1{font-size:clamp(52px,9vw,132px);line-height:.9;letter-spacing:-.04em;font-weight:800;margin:22px 0 22px}
.hero-grid h1{font-size:clamp(44px,6.4vw,104px)}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:20px;text-align:center}
  .hero-media{order:2}
  .hero-copy{order:1}
  .hero-media img{max-width:380px}
  .hero-grid .lede{margin-left:auto;margin-right:auto}
  .hero-grid .btns,.hero-grid .hero-badges{justify-content:center}
}
.hero h1 em{font-style:italic;color:var(--brand)}
.lede{font-size:clamp(17px,1.7vw,22px);color:#b6c8bf;max-width:56ch;line-height:1.5}
.btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:40px}
.hero-badges{display:flex;gap:26px;flex-wrap:wrap;margin-top:36px;color:var(--muted);font-size:15px;font-weight:500}
.scrollhint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);color:#9fb3aa;font-size:12px;letter-spacing:.2em;text-transform:uppercase;animation:bob 1.8s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:var(--maxw);margin:0 auto;padding:40px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(30px,4vw,48px);font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1}
.stat span{color:var(--muted);font-size:14px;margin-top:8px;display:block}
@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr);gap:28px}}

/* ===== Generic section ===== */
.section{padding:clamp(70px,9vw,130px) 0;background:var(--ink)}
.section.alt{background:var(--ink-2)}
.sec-head{max-width:760px;margin:0 auto clamp(40px,5vw,64px);text-align:center}
.tag{display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:600;border:1px solid var(--line);padding:7px 15px;border-radius:100px}
.tag.dark{color:#04120d;border-color:rgba(0,0,0,.15)}
.sec-head h2{font-size:clamp(32px,5vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.02;margin:20px 0 14px}
.sec-sub{color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:52ch;margin:0 auto}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:980px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.services-grid{grid-template-columns:1fr}}
.svc{background:var(--ink-3);border:1px solid var(--line);border-radius:22px;padding:28px;transition:.16s;cursor:default}
.svc:hover{border-color:var(--brand);transform:translateY(-5px)}
.svc .i{font-size:32px}
.svc h3{margin:18px 0 8px;font-size:19px;font-weight:700}
.svc p{color:var(--muted);font-size:14.5px;line-height:1.5}

/* ===== Process ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:30px 26px;border-radius:22px;background:var(--ink-3);border:1px solid var(--line)}
.step .num{font-family:"Bricolage Grotesque";font-weight:800;font-size:44px;color:var(--brand);opacity:.55;line-height:1}
.step h3{margin:14px 0 8px;font-size:19px;font-weight:700}
.step p{color:var(--muted);font-size:14.5px;line-height:1.5}

/* ===== Devis ===== */
.devis{background:var(--brand);color:#04120d;padding:clamp(70px,9vw,120px) 0}
.devis-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,70px);align-items:center}
@media(max-width:900px){.devis-grid{grid-template-columns:1fr}}
.devis-intro h2{font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.03em;line-height:1.03;margin:18px 0 16px}
.devis-intro p{font-size:17px;line-height:1.55;color:#0a3a2c;max-width:46ch}
.devis-list{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:10px;font-weight:600}
.devis-intro .btn{margin-top:28px;background:#04120d;color:var(--brand)}
.devis-intro .btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px -12px rgba(0,0,0,.45)}
.devis-media{border-radius:26px;overflow:hidden;line-height:0;box-shadow:0 30px 70px -25px rgba(0,0,0,.5)}
.devis-media img{width:100%;height:auto;display:block}
.devis-card{background:#04120d;color:var(--paper);border-radius:26px;padding:clamp(24px,3vw,38px);box-shadow:0 30px 70px -25px rgba(0,0,0,.5)}
.field{margin-top:22px}
.field:first-child{margin-top:0}
.field label{display:flex;justify-content:space-between;font-size:14.5px;color:#c9d8d1;margin-bottom:10px;font-weight:500}
.field label b{color:var(--brand);font-family:"Bricolage Grotesque"}
input[type=range]{width:100%;-webkit-appearance:none;height:10px;border-radius:100px;background:#1a2c25;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:30px;height:30px;border-radius:50%;background:var(--brand);cursor:pointer;border:5px solid #04120d;box-shadow:0 0 0 2px var(--brand)}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border:5px solid #04120d;border-radius:50%;background:var(--brand);cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid #2a3f37;border-radius:100px;padding:11px 18px;font-size:14px;cursor:pointer;font-weight:600;transition:.14s}
.chip.active{background:var(--brand);color:#04120d;border-color:var(--brand)}
.devis-result{margin-top:28px;border-top:1px dashed #2a3f37;padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.devis-result .price{font-size:clamp(38px,5vw,58px);font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.02em}
.devis-result .range{font-size:13.5px;color:var(--muted);margin-top:6px}

/* ===== Pourquoi / Why ===== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr}}
.why{padding:30px 28px;border-radius:22px;background:var(--ink-3);border:1px solid var(--line);transition:.16s}
.why:hover{transform:translateY(-4px);border-color:var(--brand)}
.why .i{font-size:30px}
.why h3{margin:16px 0 8px;font-size:19px;font-weight:700}
.why p{color:var(--muted);font-size:14.5px;line-height:1.55}

/* ===== Outils ===== */
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:980px){.tools-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.tools-grid{grid-template-columns:1fr}}
.tool{position:relative;padding:26px;border-radius:20px;background:var(--ink-3);border:1px solid var(--line);transition:.16s;display:block}
.tool:hover{transform:translateY(-4px);border-color:var(--brand)}
.tool .i{font-size:28px}
.tool h3{margin:16px 0 4px;font-size:17.5px;font-weight:700}
.tool p{color:var(--muted-2);font-size:13.5px}
.tool .arrow{position:absolute;top:22px;right:22px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);display:grid;place-items:center;font-size:16px;transition:.16s}
.tool:hover .arrow{background:var(--brand);color:#04120d}

/* ===== Reviews ===== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.reviews{grid-template-columns:1fr}}
.review{padding:30px 28px;border-radius:22px;background:var(--ink-3);border:1px solid var(--line)}
.review .stars{color:var(--accent);letter-spacing:2px;font-size:18px}
.review blockquote{margin:16px 0 18px;font-size:17px;line-height:1.55;color:#e5efe9}
.review figcaption{color:var(--muted);font-size:14px}
.review figcaption b{color:#fff}

/* ===== Zones ===== */
.zones{background:var(--brand2);color:#03252e;padding:clamp(60px,7vw,90px) 0;text-align:center}
.zones h2{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.03em;margin:16px 0 26px}
.zones-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.zones-list span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);padding:11px 22px;border-radius:100px;font-weight:600;font-size:16px}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--ink-3);border:1px solid var(--line);border-radius:16px;padding:4px 22px;transition:.16s}
.faq details[open]{border-color:var(--brand)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:700;font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:24px;font-weight:400;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);line-height:1.6;padding:0 0 20px;font-size:15.5px}

/* ===== Contact ===== */
.contact{padding:clamp(70px,9vw,120px) 0;background:radial-gradient(1000px 600px at 50% 130%,rgba(8,145,178,.4),transparent),var(--ink)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,70px)}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.contact-intro h2{font-size:clamp(38px,6vw,80px);font-weight:800;letter-spacing:-.04em;line-height:.95;margin:18px 0 18px}
.contact-intro h2 em{font-style:italic;color:var(--brand)}
.contact-intro p{color:#b6c8bf;font-size:18px;line-height:1.55;max-width:44ch}
.contact-info{display:flex;flex-direction:column;gap:12px;margin-top:28px;font-size:16px;font-weight:500}
.contact-info a:hover{color:var(--brand)}
.contact-form{background:var(--ink-3);border:1px solid var(--line);border-radius:26px;padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:480px){.row2{grid-template-columns:1fr}}
.contact-form input,.contact-form textarea{width:100%;background:#04120d;border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--paper);font-family:inherit;font-size:15px;transition:.15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand)}
.contact-form textarea{resize:vertical}
.form-note{font-size:14px;text-align:center;min-height:18px}
.form-note.ok{color:var(--brand)}
.form-note.err{color:#ff7a7a}

/* ===== Footer ===== */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:16px}
.footer-grid a,.footer-grid span{display:block;color:#cdddd5;font-size:15px;margin-bottom:10px}
.footer-grid a:hover{color:var(--brand)}
.foot-desc{color:var(--muted);font-size:15px;line-height:1.6;margin-top:14px;max-width:38ch}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:24px;color:var(--muted-2);font-size:14px}

/* ===== Icônes SVG ===== */
svg.ico{display:inline-block;vertical-align:middle;width:26px;height:26px;color:#fff;fill:none;flex:none}
.i svg.ico{width:30px;height:30px}
.svc .i,.why .i,.tool .i{line-height:0}
.brand .dot svg.ico{width:18px;height:18px;color:#04120d}
.hero-badges span{display:inline-flex;align-items:center;gap:8px}
.hero-badges svg.ico{width:18px;height:18px;color:var(--brand)}
.devis-list li{display:flex;align-items:center;gap:10px}
.devis-list svg.ico{width:18px;height:18px;color:#04120d}
.contact-info a,.contact-info span{display:flex;align-items:center;gap:10px}
.contact-info svg.ico{width:20px;height:20px;color:var(--brand)}
.review .stars{display:inline-flex;gap:2px}
.review .stars svg.ico{width:18px;height:18px;color:var(--accent)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.scrollhint{animation:none}}