/* Même monde que la page principale : papier clair, bandeaux graphite, menthe de l'icône. Une seule apparence, voulue. */
:root{
  --paper:#F1F0EA; --card:#FFFFFF; --ink:#121412; --ink2:#3E433F; --ink3:#55595A; --line:#D6D5CC; --line2:#E4E3DA;
  --night:#0E1110; --nink:#F2F3EF; --nink2:#A9AFAA; --nline:#2E3532;
  --mint:#5CD99E; --mintsoft:#D7F3E4; --green:#0B6B47; --greendk:#064A31;
  --fd:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --fb:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:17px/1.6 var(--fb);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
a{color:var(--green)} a:hover{color:var(--greendk)}
a:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}
.d{font-family:var(--fd);font-stretch:118%;letter-spacing:-0.02em}
.w{max-width:1240px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:700px){.w{padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}}
.small{font-size:14.5px;line-height:1.5;color:var(--ink3);margin:0}
.center{text-align:center}

.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:rgba(241,240,234,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand .mark{width:30px;height:30px;display:block}
.brand span{font-weight:800;font-size:20px}
.top-nav{display:flex;align-items:center;gap:22px;font-size:15px}
.top-nav .lg{color:var(--ink2);text-decoration:none}
.btn{background:var(--ink);color:var(--paper)!important;text-decoration:none;font-weight:700;padding:12px 18px;border-radius:999px;min-height:44px;box-sizing:border-box;display:inline-flex;align-items:center}
@media (max-width:640px){.top-nav .lg{display:none}}

/* Bandeau sombre de chaque page */
.hero{background:var(--night);color:var(--nink)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,5vw,72px);align-items:center;padding-block:clamp(44px,6vw,84px)}
.hero-in.one{grid-template-columns:minmax(0,1fr)}
.hero-t{display:flex;flex-direction:column;gap:18px;min-width:0}
.crumb{margin:0;font-size:14px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mint)}
.crumb a{color:var(--mint);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.hero h1{margin:0;font-weight:800;font-size:clamp(36px,4.6vw,62px);line-height:1.02;text-wrap:balance}
.lead{margin:0;font-size:clamp(18px,1.55vw,20px);line-height:1.55;color:#D3D7D2;max-width:60ch;text-wrap:pretty}
.accs{display:flex;flex-wrap:wrap;gap:8px}
.acc{display:inline-flex;align-items:center;font-size:13px;font-weight:700;line-height:1.2;padding:5px 11px;border-radius:999px;white-space:normal}
.hero .acc.free{background:var(--mint);color:var(--night)}
.hero .acc.pro{border:1.5px solid rgba(242,243,239,.55);color:var(--nink)}
.hero .acc.info{color:var(--nink2);padding-left:2px}
.brief{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:8px}
.bf{display:flex;flex-direction:column;gap:6px;border-top:2px solid var(--mint);padding-top:12px;min-width:0}
.bfv{font-family:var(--fd);font-stretch:118%;letter-spacing:-0.02em;font-weight:800;font-size:clamp(22px,2.2vw,30px);line-height:1.05}
.bfl{font-size:14.5px;line-height:1.4;color:var(--nink2)}
.devs{display:flex;justify-content:center;align-items:flex-end;gap:clamp(8px,1.6vw,20px);min-width:0}
.dev{display:block;height:auto;max-width:100%;min-width:0;flex:0 1 auto}
.devs.n3 .dev.phone{width:min(200px,38%)}
.devs.n3 .dev.watch{width:min(150px,26%)}
.dev.phone{width:min(230px,44%)}
.dev.watch{width:min(170px,34%);margin-bottom:6%}
.devs.sq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:360px;margin:0 auto;width:100%}
.dev.square{width:100%;border-radius:22%;box-shadow:0 0 0 1px rgba(242,243,239,.14)}
.qs{margin-top:10px}
.qs p{margin:0 0 10px;font-size:14.5px;color:var(--nink2)}
.qs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.qs li{border:1.5px solid var(--nline);border-radius:999px;padding:7px 14px;font-size:15px;font-weight:600}

/* Corps */
.doc{display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(32px,5vw,80px);padding-block:clamp(44px,6vw,80px) clamp(64px,8vw,110px)}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 92px);align-self:start;font-size:15px}
.toc-h{margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3)}
.toc ol{list-style:none;margin:0 0 18px;padding:0;border-left:2px solid var(--line)}
.toc li a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--ink2);text-decoration:none;line-height:1.35}
.toc li a:hover{color:var(--ink);border-left-color:var(--ink)}
.toc li a.on{color:var(--ink);font-weight:700;border-left-color:var(--mint)}
.toc-back{font-weight:700;text-decoration:none}
.content{min-width:0;max-width:760px;display:flex;flex-direction:column;gap:clamp(44px,5vw,64px)}
.sec{scroll-margin-top:96px}
.sec h2{margin:0 0 18px;font-family:var(--fd);font-stretch:118%;letter-spacing:-0.02em;font-weight:800;font-size:clamp(26px,2.6vw,34px);line-height:1.1;text-wrap:balance}
.sec h3{margin:0 0 4px;font-size:18px;line-height:1.35;font-weight:700}
.sec p{margin:0;color:var(--ink2)}
ul.dots{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
ul.dots li{position:relative;padding-left:22px;color:var(--ink2)}
ul.dots li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--mint)}
ol.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px}
ol.steps li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;align-items:start}
ol.steps .n{width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-stretch:118%;font-weight:800;font-size:17px}
.blocks{display:flex;flex-direction:column}
.blk{padding-block:18px;border-top:1px solid var(--line)}
.blk:first-child{border-top:2px solid var(--ink)}
.progs{list-style:none;margin:0 0 14px;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.prog{background:var(--card);border-radius:16px;padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.prog-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.prog-h strong{font-size:17px}
.prog p{font-size:15.5px;line-height:1.45}
.acc.free{background:var(--mintsoft);color:var(--greendk)}
.acc.pro{border:1.5px solid var(--ink);color:var(--ink)}
.acc.mix{border:1.5px solid var(--line);color:var(--ink2)}
.proof{border-top:2px solid var(--ink);padding-top:22px;display:flex;flex-direction:column;gap:10px}
.proof .lbl{margin:0;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green)}
.proof .pv{margin:0;font-family:var(--fd);font-stretch:112%;letter-spacing:-0.01em;font-weight:700;font-size:clamp(20px,2vw,25px);line-height:1.3;text-wrap:pretty}
.faq{display:flex;flex-direction:column}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:700;font-size:18px;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq .plus{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;font-weight:700;transition:transform .2s ease}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;max-width:64ch}
.refs ol{margin:0 0 16px;padding-left:22px;display:flex;flex-direction:column;gap:10px;font-size:15px;line-height:1.5;color:var(--ink2)}
.endnote{margin-top:-20px}
.pn{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;border-top:2px solid var(--ink);padding-top:22px}
.pn a{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:var(--ink);background:var(--card);border-radius:16px;padding:16px 18px;min-height:44px}
.pn a:hover{box-shadow:0 0 0 2px var(--ink)}
.pn span{font-size:13.5px;color:var(--ink3)}
.pn strong{font-size:17px;line-height:1.3}
.pv-r{text-align:right}

/* Sommaire */
.groups{display:flex;flex-direction:column;gap:clamp(48px,6vw,76px);padding-block:clamp(48px,6vw,84px) clamp(64px,8vw,110px)}
.grp{display:flex;flex-direction:column;gap:20px}
.grp h2{margin:0;font-weight:800;font-size:clamp(26px,2.8vw,36px);line-height:1.1;border-top:2px solid var(--ink);padding-top:22px}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cards.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (min-width:1100px){.cards.c4{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:860px){.cards,.cards.c3{grid-template-columns:repeat(2,minmax(0,1fr))}.cards.c3>li:last-child{grid-column:1/-1}}
@media (max-width:600px){.cards,.cards.c3{grid-template-columns:minmax(0,1fr)}}
.card{height:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:8px;background:var(--card);border-radius:20px;padding:22px 22px 20px;text-decoration:none;color:var(--ink);transition:box-shadow .2s ease,transform .2s ease}
.card:hover{box-shadow:0 0 0 2px var(--ink);transform:translateY(-2px);color:var(--ink)}
.card .ic{width:30px;height:30px;fill:none;stroke:var(--green);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:4px}
.c-h{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.c-h strong{font-weight:800;font-size:21px;line-height:1.15}
.c-l{font-weight:600;color:var(--ink2);font-size:16px}
.c-s{color:var(--ink2);font-size:15.5px;line-height:1.5;flex:1}
.c-go{color:var(--green);font-weight:700;font-size:15px;margin-top:6px}

.foot{border-top:1px solid var(--line);color:var(--ink3);font-size:14px}
.foot .w{padding-block:28px 40px}
.foot p{margin:6px 0}
.foot .links{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:12px}
.foot .links a,.foot .links span{color:var(--ink);text-decoration:none}

@media (max-width:980px){
  .hero-in{grid-template-columns:minmax(0,1fr)}
  .devs{justify-content:flex-start}
  .doc{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;background:var(--card);border-radius:16px;padding:16px 18px}
  .toc ol{columns:2;column-gap:20px;border-left:0}
  .toc li a{padding-left:0;border-left:0}
}
@media (max-width:600px){
  .brief{grid-template-columns:minmax(0,1fr);gap:12px}
  .bf{flex-direction:row;align-items:baseline;gap:12px}
  .bfv{flex:0 0 auto}
  .progs{grid-template-columns:minmax(0,1fr)}
  .toc ol{columns:1}
  .pn{grid-template-columns:minmax(0,1fr)}
  .pv-r{text-align:left}
  .devs{justify-content:center}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.faq .plus{transition:none}}

.devs.n3 .dev.phone:nth-last-child(3):first-child,.devs.n3 .dev.phone:nth-last-child(3):first-child~.dev.phone{width:min(190px,32%)}
.fig{margin:24px 0 0;display:flex;flex-direction:column;gap:10px;max-width:520px}
.fig img{display:block;width:100%;height:auto;border-radius:18px}
.fig figcaption{font-size:14.5px;color:var(--ink3);line-height:1.45}

.figrow{margin:28px 0 0;padding:24px 16px 18px;background:var(--night);border-radius:22px;display:flex;flex-direction:column;gap:14px}
.figrow .devs{justify-content:center}
.figrow figcaption{font-size:14.5px;color:var(--nink2);text-align:center}
body{margin:0}