/* duopp.fr — design system. Green scale shared with iDuerp / OSHAid, so the
   holding company reads as the house behind the two products. */
:root {
  --g-50:#E6F4EE; --g-100:#C2E5D2; --g-200:#95D2B3; --g-300:#62BC8E; --g-400:#2F9F6E;
  --g-500:#117252; --g-600:#0E5C42; --g-700:#0B4633; --g-800:#073324; --g-900:#062719;
  --lion:#3BC96E;
  --canvas:#FAFAF7; --paper:#FFFFFF; --line:#E2E2DA; --line-2:#EDEDE6;
  --ink:#0B0F0E; --ink-2:#3B433F; --muted:#6B736E;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,sans-serif;
  --display:"Inter Tight","Inter",ui-sans-serif,system-ui,sans-serif;
  --r:14px; --r-lg:22px; --wrap:1180px;
  --shadow:0 1px 2px rgba(11,15,14,.04),0 12px 32px -12px rgba(11,15,14,.14);
}
*{box-sizing:border-box} html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--canvas);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.025em;line-height:1.12;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(38px,5.2vw,64px);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:700}
h3{font-size:22px;font-weight:700}
h4{font-size:15px;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* ---- nav -------------------------------------------------------------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,250,247,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.03em;color:var(--ink)}
.brand img{border-radius:9px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-2);transition:color .18s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--g-500)}
.nav-links a.lang{font-weight:600;font-size:13px;letter-spacing:.06em;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--ink-2)}
.nav-links a.btn-nav{background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-weight:600}
.nav-links a.btn-nav:hover{background:var(--g-600);color:#fff}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}

/* ---- buttons ----------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:16px;transition:transform .18s,background .18s,box-shadow .18s;white-space:nowrap}
.btn-primary{background:var(--g-500);color:#fff;box-shadow:0 8px 24px -10px rgba(17,114,82,.6)}
.btn-primary:hover{background:var(--g-600);transform:translateY(-1px)}
.btn-ghost{background:var(--paper);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--g-700)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* ---- sections ---------------------------------------------------------- */
.section{padding:clamp(64px,8vw,112px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.section-raised{background:var(--paper);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.section-dark{background:var(--g-800);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:var(--g-100)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--g-500);margin-bottom:14px}
.section-dark .eyebrow{color:var(--g-200)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:62ch;line-height:1.55}
.section-dark .lede{color:var(--g-100)}
.section-dark .contact-card a,.section-dark .contact-card p{color:var(--g-100)} .section-dark .contact-card a{text-decoration:underline;text-underline-offset:3px}
.muted{color:var(--muted)}
.prose{max-width:72ch}
.prose p{font-size:17.5px;line-height:1.7;color:var(--ink-2)}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul{padding-left:22px;color:var(--ink-2)}
.prose li{margin-bottom:.4em}
.prose a,a.inline,a.inline-link,.lede a{color:var(--g-500);text-decoration:underline;text-decoration-color:var(--g-200);text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover,a.inline:hover,a.inline-link:hover,.lede a:hover{text-decoration-color:var(--g-500)}

/* ---- hero -------------------------------------------------------------- */
.hero{position:relative;overflow:hidden;padding:clamp(64px,9vw,128px) 0 clamp(48px,6vw,80px)}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;background:
  radial-gradient(42% 60% at 18% 20%,rgba(59,201,110,.16),transparent 70%),
  radial-gradient(40% 55% at 85% 10%,rgba(17,114,82,.14),transparent 70%);pointer-events:none}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{max-width:14ch}
.hero .lede{margin-bottom:28px}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-lg);box-shadow:var(--shadow);border:1px solid var(--line-2)}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);padding:7px 12px;border-radius:999px}
.chip img{width:18px;height:18px;border-radius:5px}

/* ---- brand cards ------------------------------------------------------- */
.brands{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.brand-card{display:grid;grid-template-columns:1fr 200px;gap:24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.brand-card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(11,15,14,.05),0 24px 48px -16px rgba(11,15,14,.22)}
.brand-card .logo{width:56px;height:56px;border-radius:14px;margin-bottom:16px}
.brand-card h3{font-size:26px;margin-bottom:6px}
.brand-card .market{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--g-500);background:var(--g-50);padding:4px 10px;border-radius:999px;margin-bottom:14px}
.brand-card p{color:var(--ink-2);font-size:16px}
.brand-card .phone{align-self:end;justify-self:end;width:190px;border-radius:18px;box-shadow:var(--shadow);border:1px solid var(--line-2)}
.brand-card .links{margin-top:auto;display:flex;gap:16px;flex-wrap:wrap;font-weight:600;font-size:15px}
.brand-card .links a{color:var(--g-500)}
.brand-card .links a::after{content:" →"}

/* ---- stats ------------------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.stat b{display:block;font-family:var(--display);font-size:38px;font-weight:800;letter-spacing:-.03em;color:var(--g-500);line-height:1}
.stat span{display:block;margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.stat small{display:block;margin-top:8px;font-size:12px;color:var(--muted)}
.section-dark .stat{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.section-dark .stat b{color:var(--lion)} .section-dark .stat span{color:#fff} .section-dark .stat small{color:var(--g-200)}

/* ---- feature grid ------------------------------------------------------ */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.feature .ico{width:40px;height:40px;border-radius:11px;background:var(--g-50);color:var(--g-500);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.feature h3{font-size:18px;margin-bottom:6px}
.feature p{font-size:15.5px;color:var(--ink-2);margin:0}
.section-dark .feature{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1)}
.section-dark .feature .ico{background:rgba(59,201,110,.15);color:var(--lion)}
.section-dark .feature p{color:var(--g-100)}

/* ---- split ------------------------------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev>.copy{order:2}
.split img{border-radius:var(--r-lg);box-shadow:var(--shadow);border:1px solid var(--line-2)}
.split .copy h2{max-width:18ch}
.check{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.check li{position:relative;padding-left:30px;color:var(--ink-2);font-size:16.5px}
.check li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--g-50);border:1.5px solid var(--g-300)}
.check li::after{content:"";position:absolute;left:6px;top:8px;width:5px;height:9px;border:solid var(--g-500);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ---- founders ---------------------------------------------------------- */
.founders{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.founder{display:grid;grid-template-columns:150px 1fr;gap:22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;align-items:start}
.founder img{border-radius:16px;filter:grayscale(1)}
.founder h3{font-size:20px;margin-bottom:2px}
.founder .role{font-size:13.5px;font-weight:600;color:var(--g-500);margin-bottom:10px}
.founder p{font-size:15px;color:var(--ink-2);margin:0}

/* ---- trust strip / facts ---------------------------------------------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.fact{background:var(--paper);padding:20px 22px}
.fact dt{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.fact dd{margin:0;font-weight:600;color:var(--ink)}
.strip{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:center;padding:18px 0;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);font-size:14px;font-weight:600;color:var(--ink-2)}
.strip span::before{content:"✓";color:var(--g-400);margin-right:8px}

/* ---- cta band ---------------------------------------------------------- */
.cta-band{background:linear-gradient(135deg,var(--g-600),var(--g-800));color:#fff;border-radius:var(--r-lg);padding:clamp(36px,5vw,64px);display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band .eyebrow{color:var(--g-200)}
.cta-band p{color:var(--g-100);margin:0}
.cta-band .btn-row{justify-content:flex-end}
.cta-band .btn-primary{background:#fff;color:var(--g-700);box-shadow:none}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}

/* ---- contact ----------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.contact-card h3{font-size:17px}
.contact-card a{font-weight:600;color:var(--g-500)}
.contact-card p{font-size:15px;color:var(--ink-2);margin:6px 0 0}

/* ---- footer ------------------------------------------------------------ */
.footer{background:var(--paper);border-top:1px solid var(--line);padding:56px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{font-size:14.5px;color:var(--ink-2);margin-top:14px;max-width:34ch}
.footer h4{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer li,.footer li a{font-size:14.5px;color:var(--ink-2)}
.footer li a:hover{color:var(--g-500)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line-2);font-size:13px;color:var(--muted)}

/* ---- motion ------------------------------------------------------------ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- responsive -------------------------------------------------------- */
@media (max-width:980px){
  .hero-grid,.split,.split.rev{grid-template-columns:1fr}
  .split.rev>.copy{order:0}
  .brands,.founders{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .features,.contact-grid,.facts{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr} .cta-band .btn-row{justify-content:flex-start}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--canvas);border-bottom:1px solid var(--line);padding:16px 24px 20px;flex-direction:column;align-items:stretch;gap:14px}
  .nav-links.open{display:flex}
  .nav-links a.btn-nav{text-align:center}
  .brand-card{grid-template-columns:1fr;padding:24px}
  .brand-card .phone{justify-self:start;width:160px}
  .founder{grid-template-columns:1fr} .founder img{width:120px}
  .features,.contact-grid,.facts,.stats,.footer-grid{grid-template-columns:1fr}
  .hero h1{max-width:none}
}

/* ---- faq ---------------------------------------------------------------- */
.faq{max-width:760px}
.faq-item{border-top:1px solid var(--line);padding:4px 0}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 0;font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.01em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-weight:500;color:var(--g-500);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item div{padding:0 0 18px;color:var(--ink-2);font-size:16.5px;line-height:1.65;max-width:68ch}
.faq-item div a{color:var(--g-500);text-decoration:underline;text-underline-offset:3px}
/* ---- related ------------------------------------------------------------ */
.related{border-top:1px solid var(--line-2)}
.related h2{font-size:20px;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;gap:6px;transition:border-color .18s}
.related-card:hover{border-color:var(--g-400)}
.related-card strong{font-family:var(--display);font-size:17px}
.related-card span{font-size:14px;color:var(--ink-2);line-height:1.5}
@media (max-width:720px){.related-grid{grid-template-columns:1fr}}

/* ---- photo hero -------------------------------------------------------- */
.hero-photo{position:relative;min-height:min(78vh,760px);display:flex;align-items:flex-end;padding:clamp(96px,14vw,160px) 0 clamp(48px,6vw,80px);color:#fff;isolation:isolate}
.hero-photo::before{display:none}
.hero-photo .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero-photo::after{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(180deg,rgba(6,39,25,.08) 0%,rgba(6,39,25,.22) 38%,rgba(6,39,25,.84) 100%),
  linear-gradient(90deg,rgba(6,39,25,.42) 0%,rgba(6,39,25,0) 65%)}
.hero-photo .lede a{color:#fff;text-decoration-color:rgba(255,255,255,.55)}
.hero-photo .lede a:hover{text-decoration-color:#fff}
.hero-photo .eyebrow{color:var(--g-200)}
.hero-photo h1{color:#fff;max-width:16ch;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero-photo .lede{color:rgba(255,255,255,.88);max-width:58ch}
.hero-photo .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(8px)}
.hero-photo .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff}
.hero-photo .btn-primary{background:#fff;color:var(--g-700);box-shadow:none}
.hero-photo .btn-primary:hover{background:var(--g-50)}
.hero-photo .chip{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(8px)}
.hero-photo .credit{position:absolute;right:16px;bottom:10px;font-size:11px;color:rgba(255,255,255,.55)}
.hero-photo .credit a{color:inherit}
/* ---- photo band -------------------------------------------------------- */
.band{position:relative;min-height:min(52vh,460px);display:flex;align-items:center;color:#fff;isolation:isolate;overflow:hidden}
.band .band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(6,39,25,.82) 0%,rgba(6,39,25,.45) 55%,rgba(6,39,25,.15) 100%)}
.band .wrap{padding-top:56px;padding-bottom:56px}
.band blockquote{margin:0;max-width:30ch;font-family:var(--display);font-weight:700;font-size:clamp(26px,3.4vw,42px);line-height:1.15;letter-spacing:-.025em}
.band p{margin:14px 0 0;color:var(--g-100);max-width:52ch;font-size:17px}
@media (max-width:720px){
  .hero-photo{min-height:auto;padding-top:120px}
  .band{min-height:auto}
}

/* ---- feature tiles with photo ------------------------------------------ */
.feature.has-img{padding:0;overflow:hidden;display:flex;flex-direction:column}
.feature.has-img .feature-img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.feature.has-img .feature-body{padding:22px 24px 26px}
.feature.has-img .ico{margin-top:-42px;position:relative;background:var(--paper);box-shadow:0 2px 10px rgba(11,15,14,.12);border:1px solid var(--line)}