/* =========================================================
   NetByUs, feuille de style commune
   Charte graphique : octobre 2024 (Poppins, bleu / orange / vert)
   ========================================================= */
:root{
  --blue:#0072CE;        /* primaire */
  --orange:#F07817;      /* secondaire */
  --green:#2DA333;       /* tertiaire */
  --blue-deep:#014276;   /* bleu foncé du dégradé */
  --ink:#1F2029;
  --mist:#F0F4F8;
  --line:#D9E1EA;
  --muted:#4B4E59;
  --grad:linear-gradient(100deg,var(--blue-deep) 0%,var(--blue) 75%);
  --font:"Poppins",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1152px; --gut:clamp(20px,5vw,48px); --header-h:76px;
  --sec:clamp(80px,11vw,128px);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + var(--header-h));-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:clip}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);font-size:clamp(16px,1.05vw,17px);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-weight:600;line-height:1.1;letter-spacing:-.02em;margin:0}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:calc(var(--wrap) + 2*var(--gut));margin:0 auto;padding:0 var(--gut)}
.section{padding:var(--sec) 0}
.section--mist{background:var(--mist)}
.center{text-align:center}
.head{max-width:780px;margin:0 auto var(--head-gap,clamp(40px,6vw,64px));text-align:center}
.head h2,.h2{font-size:clamp(2rem,4vw,3rem)}
.head p{margin-top:20px;font-size:clamp(1.05rem,1.3vw,1.18rem);color:var(--muted)}
.lead{font-size:clamp(1.05rem,1.3vw,1.18rem);color:var(--muted);max-width:62ch}
.center .lead{margin-left:auto;margin-right:auto}
.skip{position:absolute;left:12px;top:-60px;background:var(--orange);color:var(--ink);padding:10px 16px;border-radius:999px;z-index:100;font-weight:600;text-decoration:none}
.skip:focus{top:calc(env(safe-area-inset-top,0px) + 12px)}
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.wi{display:inline-block;will-change:transform}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 28px;border-radius:999px;font:600 1rem/1 var(--font);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn:hover{transform:translateY(-2px)}
.btn--orange{background:var(--orange);color:var(--ink)}
.btn--orange:hover{background:#fff;color:var(--ink)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-deep);color:#fff}
.btn--ghost{border-color:rgba(255,255,255,.9);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn--line{border-color:var(--line);color:var(--ink);min-height:46px;padding:0 22px;font-size:.95rem}
.btn--line:hover{border-color:var(--ink);color:var(--ink)}
.btn--sm{min-height:44px;padding:0 22px;font-size:.9rem}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.center .actions{justify-content:center}
.link{font-weight:600;color:var(--blue);text-decoration:none;padding-bottom:3px;background:linear-gradient(currentColor,currentColor) 0 100%/100% 2px no-repeat;transition:background-size .3s}
.link:hover{background-size:0 2px;background-position:100% 100%}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{padding:8px 16px;border-radius:999px;background:var(--mist);font-size:.88rem;font-weight:500}
.tag{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border:1px solid rgba(255,255,255,.5);border-radius:999px;font-size:.88rem;font-weight:500;margin-bottom:28px}
.tag--dark{border-color:var(--line);color:var(--blue-deep)}
.pill-dot{width:22px;height:11px;border-radius:999px;background:var(--orange);flex:none}
.eyebrow{font-size:.92rem;font-weight:600;color:var(--blue)}

/* ---------- Logo ---------- */
.logo{display:flex;align-items:center;--lb:var(--blue);--lo:var(--orange);--lg:var(--green)}
.logo svg{height:36px;width:auto;display:block}
.l-b{fill:var(--lb)} .l-g{fill:var(--lg)} .s-o{stroke:var(--lo)} .s-b{stroke:var(--lb)}
.logo--white{--lb:#fff;--lo:#fff;--lg:#fff}

/* ---------- En-tête ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .35s,box-shadow .35s}
.site-header__in{height:var(--header-h);display:flex;align-items:center;gap:32px}
.site-header .logo{margin-right:auto;--lb:#fff;--lo:#fff;--lg:#fff}
.site-header nav ul{list-style:none;display:flex;gap:30px;margin:0;padding:0}
.site-header nav a{color:#fff;text-decoration:none;font-weight:500;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.site-header nav a[aria-current="page"]{font-weight:600;border-bottom-color:var(--orange)}
.site-header.is-solid,.hero-light .site-header{background:#fff;box-shadow:0 1px 0 var(--line)}
.site-header.is-solid .logo,.hero-light .site-header .logo{--lb:var(--blue);--lo:var(--orange);--lg:var(--green)}
.site-header.is-solid nav a,.hero-light .site-header nav a{color:var(--ink)}
.menu-btn{display:none;background:none;border:2px solid rgba(255,255,255,.6);color:#fff;border-radius:999px;min-height:44px;padding:0 18px;font:600 .9rem var(--font);cursor:pointer}
.site-header.is-solid .menu-btn,.hero-light .menu-btn{color:var(--ink);border-color:var(--line)}
@media (max-width:1000px){
  .menu-btn{display:block}
  .site-header .btn{display:none}
  .site-header nav{position:fixed;inset:calc(env(safe-area-inset-top,0px) + var(--header-h)) 0 auto 0;background:#fff;padding:8px var(--gut) 28px;box-shadow:0 24px 40px rgba(1,66,118,.15);display:none}
  .site-header nav.is-open{display:block}
  .site-header nav ul{flex-direction:column;gap:0}
  .site-header nav a{display:block;color:var(--ink)!important;padding:14px 0;border-bottom:1px solid var(--line);font-size:1.1rem}
  .site-header nav a[aria-current="page"]{border-bottom-color:var(--orange)}
}

/* ---------- Motif BY (14 % d'opacité) ---------- */
.motif{position:absolute;opacity:.14;color:#fff;pointer-events:none;height:auto}

/* ---------- Héros ---------- */
.hero{position:relative;overflow:hidden;background:var(--grad);color:#fff;text-align:center;padding:calc(var(--header-h) + clamp(64px,9vw,120px)) 0 clamp(80px,9vw,120px)}
.hero__in{position:relative;max-width:900px;margin:0 auto;display:flex;flex-direction:column;align-items:center}
.hero h1{font-size:clamp(2.3rem,5vw,4.1rem);letter-spacing:-.03em;line-height:1.07}
.hero__lead{margin-top:28px;font-size:clamp(1.05rem,1.4vw,1.25rem);max-width:720px}
.hero__places{margin-top:30px;font-size:.95rem;display:flex;align-items:center;gap:10px}
.hero--home{padding-bottom:0}
.hero--light{background:#fff;color:var(--ink)}
.hero--light .hero__lead{color:var(--muted)}
.hero--contact{padding-bottom:clamp(140px,14vw,200px)}
.hero-photo{position:relative;margin:64px auto 0;max-width:var(--wrap);border-radius:clamp(120px,20vw,240px) clamp(120px,20vw,240px) 0 0}

/* ---------- Images et visuels de remplacement ---------- */
.media{position:relative;margin:0;overflow:hidden;background:var(--blue-deep);isolation:isolate}
.media__inner{position:absolute;inset:-8% 0;will-change:transform}
.media__inner picture,.media__inner img{width:100%;height:100%;object-fit:cover}
.ph{background:linear-gradient(160deg,var(--blue) 0%,var(--blue-deep) 100%);color:#fff}
.ph .motif{right:6%;top:12%;width:48%}
.ph-note{position:absolute;left:20px;right:20px;bottom:calc(8% + 20px);font-size:.8rem;line-height:1.5;background:rgba(1,66,118,.85);border-radius:14px;padding:10px 14px;max-width:380px;text-align:left}
.ph-note strong{display:block;font-weight:600}
.r-12-5{aspect-ratio:12/5}.r-4-3{aspect-ratio:4/3}.r-4-5{aspect-ratio:4/5}.r-3-2{aspect-ratio:3/2}
.sh-arch{border-radius:999px 999px 32px 32px}
.sh-tl{border-radius:120px 28px 28px 28px}
.sh-tr{border-radius:28px 120px 28px 28px}
.sh-soft{border-radius:40px}
@media (max-width:700px){.r-12-5{aspect-ratio:4/5}.hero-photo{border-radius:140px 140px 0 0}.sh-tl,.sh-tr{border-radius:64px 22px 22px 22px}}

/* ---------- Piliers ---------- */
.pillars{list-style:none;margin:0;padding:0}
.pillar{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;border-top:1px solid var(--line)}
.pillar:last-child{border-bottom:1px solid var(--line)}
.pillar__verb{font-size:clamp(2.2rem,5.2vw,4.5rem);font-weight:600;letter-spacing:-.035em;line-height:1;text-align:right;color:var(--c)}
.pillar__verb .c{color:rgba(31,32,41,.13)}
.pillar__text{font-size:1.1rem;color:var(--muted);max-width:38ch}
@media (max-width:760px){.pillar{grid-template-columns:1fr;gap:12px;text-align:center}.pillar__verb{text-align:center}.pillar__text{margin:0 auto}}

/* ---------- Cartes ---------- */
.grid{display:grid;gap:clamp(20px,2.5vw,32px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:1000px){.grid-4,.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr}}
@media (max-width:760px){.grid-2,.grid-4,.grid-5{grid-template-columns:1fr}}
.card{background:#fff;border-radius:32px;overflow:hidden;display:flex;flex-direction:column}
.card__body{padding:32px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;flex-grow:1}
.card__body h3{font-size:1.45rem;line-height:1.2}
.card__body p{color:var(--muted);font-size:1rem}
.card__body .link{margin-top:auto}
.card .media{border-radius:0 0 0 96px}
.card:nth-child(2) .media{border-radius:0 0 96px 96px}
.card:nth-child(3) .media{border-radius:0 0 96px 0}
.tile{padding:clamp(28px,3vw,40px);border-radius:32px;background:var(--mist);text-align:center}
.section--mist .tile{background:#fff}
.tile h3{font-size:1.4rem;margin-top:20px}
.tile p{margin-top:12px;color:var(--muted);font-size:1rem}
.tile .dot{display:block;margin:0 auto;width:40px;height:20px;border-radius:999px;background:var(--c,var(--blue))}
.value h3{margin-top:0;font-size:1.2rem;color:var(--blue)}

/* ---------- Solutions ---------- */
.byplus{position:relative;overflow:hidden;border-radius:40px;background:var(--grad);color:#fff;padding:clamp(36px,5vw,64px);text-align:center;display:flex;flex-direction:column;align-items:center}
.byplus .motif{right:-60px;bottom:-80px;width:380px}
.pill-tag{padding:6px 14px;border:1.5px solid rgba(255,255,255,.8);border-radius:999px;font-size:.88rem;font-weight:600;width:fit-content}
.logo-slot{margin-top:20px;display:flex;align-items:center;gap:12px;width:fit-content;padding:10px 18px;border:1.5px dashed rgba(255,255,255,.6);border-radius:16px;font-size:.78rem}
.logo-slot b{font-size:2.5rem;font-weight:700;letter-spacing:-.03em;line-height:1}
.byplus h3,.byplus h2{margin-top:24px;font-size:clamp(1.7rem,3vw,2.4rem)}
.byplus p.txt{margin-top:16px;font-size:1.1rem;max-width:620px}
.prod{border-radius:40px;background:var(--mist);padding:clamp(28px,3.5vw,48px);display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:32px;align-items:center}
.prod__name{font-size:3rem;font-weight:700;letter-spacing:-.03em;line-height:1;margin-top:10px}
.prod h3{font-size:1.35rem;line-height:1.25;margin-top:16px}
.prod p.txt{margin-top:12px;color:var(--muted)}
.prod .btn{margin-top:24px}
@media (max-width:760px){.prod{grid-template-columns:1fr}.prod .media{max-width:260px}}

.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,7vw,96px);align-items:center}
.feature + .feature{margin-top:clamp(72px,9vw,120px)}
.feature h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-top:14px;line-height:1.15}
.feature p.txt{margin-top:20px;font-size:1.1rem;color:var(--muted);max-width:48ch}
.feature .btn{margin-top:32px}
.feature--rev .media{order:2}
.feature .big{font-size:clamp(3rem,6vw,4.5rem);font-weight:700;letter-spacing:-.035em;line-height:1;margin-top:12px}
.feature .big + h2{margin-top:20px}
.ext{margin-top:12px;font-size:.88rem;color:var(--muted)}
@media (max-width:860px){.feature{grid-template-columns:1fr}.feature--rev .media{order:0}}

.byplus-full{position:relative;overflow:hidden;border-radius:48px;background:var(--grad);color:#fff;padding:clamp(36px,6vw,96px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(40px,5vw,72px);align-items:center}
.byplus-full .motif{left:-80px;bottom:-120px;width:460px}
.byplus-full h2{font-size:clamp(1.8rem,3.2vw,2.6rem);margin-top:24px}
.byplus-full p.txt{margin-top:18px;font-size:1.1rem}
.chips--light .chip{background:rgba(255,255,255,.16)}
.todo{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:10px}
.todo li{padding:12px 16px;border:1.5px dashed rgba(255,255,255,.5);border-radius:14px;font-size:.95rem}
.byplus-full .media{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3)}
.byplus-full .ph{background:transparent}
@media (max-width:900px){.byplus-full{grid-template-columns:1fr}}

/* ---------- Pays ---------- */
.country{padding:36px 20px;border-radius:28px;background:#fff;display:flex;flex-direction:column;align-items:center;gap:16px}
.country span:first-child{width:40px;height:20px;border-radius:999px;background:var(--c)}
.country span:last-child{font-size:clamp(1.5rem,2.2vw,1.9rem);font-weight:600;letter-spacing:-.02em}

/* ---------- Étapes ---------- */
.steps{list-style:none;margin:0;padding:0}
.step{padding:32px;border-radius:28px;background:#fff;text-align:center}
.step__n{margin:0 auto;width:48px;height:48px;border-radius:999px;background:var(--blue);color:#fff;font-weight:600;font-size:1.1rem;display:flex;align-items:center;justify-content:center}
.step:last-child .step__n{background:var(--green);color:var(--ink)}
.step h3{margin-top:20px;font-size:1.25rem}
.step p{margin-top:10px;font-size:.95rem;color:var(--muted)}

/* ---------- Témoignages ---------- */
.quote{margin:0;padding:36px;border-radius:32px;background:var(--mist);display:flex;flex-direction:column;gap:24px;text-align:left}
.quote blockquote{margin:0;font-size:1rem;line-height:1.65}
.quote figcaption{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:.9rem}
.quote figcaption span:first-child{width:48px;height:48px;border-radius:999px;background:var(--c);flex:none}

/* ---------- Bandeau d'appel à l'action ---------- */
.cta{position:relative;overflow:hidden;background:var(--grad);color:#fff;text-align:center;padding:clamp(80px,10vw,120px) 0}
.cta .motif{left:-100px;bottom:-140px;width:520px}
.cta h2{position:relative;font-size:clamp(2rem,4.2vw,3.25rem)}
.cta p{position:relative;margin:20px auto 0;font-size:1.15rem;max-width:640px}
.cta .actions{position:relative}
.signature{position:relative;margin-top:40px;font-size:clamp(1.4rem,2.4vw,1.75rem);font-weight:600;letter-spacing:-.02em}

/* ---------- Contact ---------- */
.contact-grid{position:relative;margin-top:-120px;display:grid;grid-template-columns:380px minmax(0,1fr);gap:40px;align-items:start}
.contact-aside{margin-top:120px;padding:40px;border-radius:32px;background:var(--mist);display:flex;flex-direction:column;gap:28px}
.contact-aside dt{font-size:.88rem;font-weight:600;color:var(--blue)}
.contact-aside dd{margin:4px 0 0;font-size:1.05rem;font-weight:500}
.contact-aside dl{margin:0;display:grid;gap:24px}
.offices{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:10px;font-size:1rem;font-weight:400}
.offices li{display:flex;gap:10px;align-items:center}
.offices i{width:22px;height:11px;border-radius:999px;background:var(--c);flex:none}
.form-card{padding:clamp(24px,4vw,48px);border-radius:32px;background:#fff;box-shadow:0 30px 70px rgba(1,66,118,.18)}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.tab{min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font:600 .9rem var(--font);cursor:pointer}
.tab[aria-selected="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}
.field{display:grid;gap:6px;margin-bottom:20px}
.field--full{grid-column:1/-1}
.field[hidden]{display:none}
.field label,.field legend{font-size:.9rem;font-weight:500}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:12px 16px;width:100%;min-height:52px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,114,206,.2)}
.field textarea{min-height:160px;resize:vertical}
.field .err{font-size:.85rem;color:#B4410B}
fieldset.field{border:0;padding:0;margin:0 0 20px}
.checks{display:flex;gap:24px}
.checks label{display:flex;gap:8px;align-items:center;font-weight:400;font-size:1rem}
.privacy{font-size:.88rem;color:var(--muted);margin-bottom:24px}
.status{margin-top:18px;font-size:.95rem;font-weight:500}
.status:not(:empty){padding:14px 18px;border-radius:14px;background:#E3F4E5;color:#1E6B26}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}.contact-aside{margin-top:0;order:2}.fields{grid-template-columns:1fr}}

/* ---------- Pied de page ---------- */
.footer{padding:clamp(64px,8vw,88px) 0 40px;border-top:1px solid var(--line)}
.footer__top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px}
.footer__tag{margin-top:18px;color:var(--muted);font-size:.95rem;max-width:26ch}
.footer h2{font-size:.95rem;font-weight:600;letter-spacing:0;margin:0 0 14px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:.95rem;color:var(--muted)}
.footer ul a{color:var(--muted);text-decoration:none}
.footer ul a:hover{color:var(--ink)}
.news{margin-top:48px;padding:28px 32px;border-radius:28px;background:var(--mist);display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center}
.news h2{margin:0;font-size:1.05rem}
.news p{margin-top:6px;color:var(--muted);font-size:.95rem}
.news form{display:flex;gap:10px}
.news input{flex:1;min-width:0;font:inherit;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:0 20px;min-height:52px}
.news__msg{grid-column:1/-1;font-size:.9rem;color:var(--muted)}
.news__msg:empty{display:none}
.footer__bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;font-size:.88rem;color:var(--muted)}
.footer__bottom nav{display:flex;gap:24px}
.footer__bottom a{color:inherit;text-decoration:none}
.social{display:flex;gap:10px}
.social a{width:44px;height:44px;border-radius:999px;border:1.5px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.social a:hover{border-color:var(--blue);color:var(--blue)}
.social svg{width:18px;height:18px}
@media (max-width:1000px){.footer__top{grid-template-columns:1fr 1fr}.news{grid-template-columns:minmax(0,1fr)}}
@media (max-width:520px){.footer__top{grid-template-columns:1fr}.news{padding:24px}.news form{flex-direction:column}}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.country--mist{background:var(--mist)}