/* BelaConnect — feuille de style commune */
:root{
  --navy:#0E1A2E;
  --navy-2:#16243C;
  --cyan:#2BC0DC;
  --cyan-ink:#0B7A93;
  --bg:#FFFFFF;
  --alt:#F3F5F7;
  --ink:#141B24;
  --ink-soft:#4A5562;
  --ink-faint:#8A94A0;
  --line:#DDE2E7;
  --radius:4px;
  --max:1140px;
}
*{box-sizing:border-box;}
html{scroll-padding-top:84px;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'Barlow',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{line-height:1.15;margin:0;font-weight:700;}
p{margin:0;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px;}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;z-index:100;}
.skip:focus{left:8px;}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;}

/* Boutons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--radius);font-weight:600;font-size:16px;line-height:1.2;
  border:2px solid transparent;cursor:pointer;font-family:inherit;
  transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px -6px rgba(14,26,46,.45);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn svg{transition:transform .18s;}
.btn:hover svg{transform:translateX(3px);}
.btn[href^="tel:"]:hover svg{transform:rotate(-12deg);}
.btn-primary{background:var(--cyan);color:var(--navy);}
.btn-primary:hover{background:#56D0E6;}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-dark{background:var(--navy);color:#fff;}
.btn-dark:hover{background:var(--navy-2);}
.btn svg{width:18px;height:18px;flex:none;}
.btn-dark:hover{background:#1F3354;}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08);}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:24px;letter-spacing:-.01em;flex:none;}
.logo svg{width:36px;height:36px;}
.logo b{font-weight:inherit;}
.logo span{color:var(--cyan);}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-links a{color:#C5CDD8;font-size:16px;font-weight:500;transition:color .15s;}
.nav-links a:not(.btn):not(.nav-phone){background:linear-gradient(var(--cyan),var(--cyan)) left bottom/0 2px no-repeat;padding-bottom:4px;transition:color .15s,background-size .2s;}
.nav-links a:not(.btn):not(.nav-phone):hover{background-size:100% 2px;}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff;}
.nav-links a[aria-current="page"]:not(.btn){background-size:100% 2px !important;}
.nav-links .btn{padding:9px 16px;color:var(--navy);text-decoration:none;}
.nav-phone{display:inline-flex;align-items:center;gap:8px;color:#fff !important;font-weight:600 !important;}
.nav-phone:hover{color:var(--cyan) !important;}
.logo{transition:opacity .15s;}
.logo:hover{opacity:.85;}
.nav-phone svg{width:16px;height:16px;color:var(--cyan);}
.burger{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer;}
.burger svg{width:26px;height:26px;}

/* Hero */
.hero{background:var(--navy);color:#fff;padding:80px 0 88px;}
.hero.small{padding:56px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:64px;align-items:center;}
.hero-inner h1,.hero-inner .lead{max-width:760px;}
.kicker{color:var(--cyan);font-weight:600;font-size:16px;margin-bottom:16px;}
.hero h1{font-size:clamp(34px,4.6vw,52px);}
.hero.small h1{font-size:clamp(30px,3.8vw,44px);}
.hero h1 em{font-style:normal;color:var(--cyan);}
.lead{margin-top:20px;font-size:19px;color:#C5CDD8;max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.crumbs{font-size:15px;color:#8FA0B5;margin-bottom:16px;}
.crumbs a{text-decoration:underline;text-underline-offset:3px;}
.crumbs a:hover{color:#fff;}
.prose a:hover{color:var(--ink);}

.hero-info{border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:24px;}
.hero-info dl{margin:0;display:grid;gap:14px;}
.hero-info dt{font-size:14px;color:#8FA0B5;}
.hero-info dd{margin:0;font-weight:600;color:#fff;}
.hero-phone{display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);font-size:24px;font-weight:700;color:var(--cyan);}
.hero-phone svg{width:22px;height:22px;}

/* Bandeau marques */
.brands{background:#fff;border-bottom:1px solid var(--line);padding:18px 0;}
.brands .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px 64px;}
.brands small{font-size:15px;color:var(--ink-faint);}
.brands strong{color:#3A4552;font-size:20px;font-weight:700;letter-spacing:.06em;}
.brands img{width:auto;}

/* Sections */
section{padding:80px 0;}
section.tight{padding-top:0;}
.alt{background:var(--alt);}
.section-head{max-width:700px;margin-bottom:40px;}
.section-head h2,.split h2{font-size:clamp(28px,3.2vw,38px);}
.section-head p,.split p{margin-top:12px;color:var(--ink-soft);font-size:18px;}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* Cartes */
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;}
a.card{transition:border-color .2s,box-shadow .2s,transform .2s;}
a.card:hover{border-color:var(--cyan-ink);box-shadow:0 12px 28px -14px rgba(14,26,46,.35);transform:translateY(-3px);}
a.card:hover h3{color:var(--cyan-ink);}
.card h3{transition:color .2s;}
.card .more svg{transition:transform .2s;}
a.card:hover .more svg{transform:translateX(4px);}
.card .more{text-decoration:none;}
a.card:hover .more{text-decoration:underline;text-underline-offset:4px;}
.card.main{border-top:4px solid var(--cyan);}
.icon{color:var(--cyan-ink);margin-bottom:14px;}
.icon svg{width:32px;height:32px;}
.card h3{font-size:22px;}
.card p{margin-top:8px;color:var(--ink-soft);}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:600;color:var(--cyan-ink);}
.card .more svg{width:16px;height:16px;}
.tag{position:absolute;top:18px;right:18px;font-size:13px;font-weight:600;padding:3px 10px;border-radius:var(--radius);background:var(--navy);color:#fff;}
.checks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px;}
.checks li{display:flex;gap:10px;align-items:flex-start;}
.checks li svg{flex:none;width:18px;height:18px;margin-top:4px;color:var(--cyan-ink);}

.mini h3{font-size:19px;}
.mini p{font-size:16px;margin-top:6px;color:var(--ink-soft);}
.mini .icon svg{width:26px;height:26px;}

/* Pourquoi nous */
.why{background:var(--navy);color:#fff;}
.why .section-head h2{color:#fff;}
.why-grid > div{border-top:2px solid var(--cyan);padding-top:18px;}
.why-grid b{display:block;font-size:44px;font-weight:700;line-height:1;color:var(--cyan);}
.why-grid h3{font-size:19px;margin-top:6px;}
.why-grid p{margin-top:8px;color:#C5CDD8;font-size:16px;}

/* Étapes */
.steps{counter-reset:step;}
.step{border-top:2px solid var(--ink);padding-top:18px;}
.step::before{counter-increment:step;content:counter(step);display:block;font-size:34px;font-weight:700;color:var(--cyan-ink);margin-bottom:6px;line-height:1;}
.step h3{font-size:20px;}
.step p{margin-top:6px;color:var(--ink-soft);}
.aside-note{margin-top:36px;color:var(--ink-soft);max-width:760px;}

/* Bloc deux colonnes */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.top{align-items:start;}
.plain-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.plain-list li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-soft);}
.plain-list b{color:var(--ink);}

/* Comparatif */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare .card h3{display:flex;align-items:center;gap:12px;}
.compare .card h3 svg{width:26px;height:26px;color:var(--cyan-ink);}
.compare .ideal{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:16px;}
.compare .ideal b{color:var(--ink);}

/* Encadré info */
.note{display:flex;gap:16px;align-items:flex-start;padding:22px 24px;border-left:4px solid var(--cyan-ink);background:var(--alt);}
.note svg{flex:none;width:24px;height:24px;margin-top:2px;color:var(--cyan-ink);}
.note h3{font-size:19px;}
.note p{margin-top:6px;color:var(--ink-soft);}

/* Packs */
.pack{display:flex;flex-direction:column;}
.pack .pack-top{display:flex;align-items:baseline;gap:10px;margin-bottom:4px;}
.pack .big{font-size:56px;font-weight:700;line-height:1;color:var(--navy);}
.pack .unit{font-size:19px;font-weight:600;}
.pack .price{margin-top:20px;padding:12px 14px;background:var(--alt);font-weight:600;color:var(--ink-soft);}
.pack .btn{margin-top:20px;}
.pack .grow{flex:1;}
.pack.featured{border:2px solid var(--navy);}

/* Zone */
.cities-line{font-size:19px;font-weight:600;line-height:1.9;max-width:900px;}

/* FAQ */
.faq{max-width:820px;display:grid;gap:0;border-top:1px solid var(--line);}
details{border-bottom:1px solid var(--line);}
summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:600;font-size:18px;display:flex;justify-content:space-between;align-items:center;gap:16px;}
summary::-webkit-details-marker{display:none;}
summary{transition:color .15s;}
summary:hover{color:var(--cyan-ink);}
summary::after{content:"+";font-size:26px;font-weight:400;color:var(--cyan-ink);flex:none;}
details[open] summary::after{content:"–";}
details p{padding:0 0 18px;color:var(--ink-soft);}

/* Appel à l'action */
.cta-band{background:var(--navy);color:#fff;border-radius:var(--radius);padding:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);max-width:620px;}
.cta-band p{margin-top:8px;color:#C5CDD8;max-width:620px;}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.contact-info{display:grid;gap:0;border-top:1px solid var(--line);}
.ci{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);}
a.ci{transition:padding .2s;}
a.ci:hover{padding-left:8px;}
a.ci:hover strong{color:var(--cyan-ink);}
.ci-icon{flex:none;color:var(--cyan-ink);}
.ci-icon svg{width:24px;height:24px;}
.ci small{display:block;color:var(--ink-faint);font-size:14px;}
.ci strong{font-weight:600;font-size:18px;word-break:break-word;}
form.quote{background:var(--alt);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
form.quote .full{grid-column:1/-1;}
label{display:block;font-size:15px;font-weight:600;margin-bottom:6px;}
label .opt{font-weight:400;color:var(--ink-faint);}
input,select,textarea{width:100%;padding:12px 14px;border-radius:var(--radius);border:1px solid #C9D0D8;background:#fff;font:inherit;font-size:16px;color:var(--ink);}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan-ink);box-shadow:0 0 0 3px rgba(43,192,220,.25);}
textarea{min-height:130px;resize:vertical;}
form.quote .btn{width:100%;}
.form-note{font-size:14px;color:var(--ink-faint);}
.form-error{display:none;color:#B91C1C;font-weight:600;}
.form-error.show{display:block;}

/* Texte légal */
.prose{max-width:780px;}
.prose h2{font-size:24px;margin:36px 0 10px;}
.prose p,.prose li{color:var(--ink-soft);}
.prose p+p{margin-top:10px;}
.prose a{color:var(--cyan-ink);text-decoration:underline;}

/* Pied de page */
.site-footer{background:var(--navy);color:#8FA0B5;padding:52px 0 26px;font-size:15px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-grid h4{color:#fff;font-size:16px;margin:0 0 12px;}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:6px;}
.foot-grid a{transition:color .15s;}
.foot-grid a:hover{color:var(--cyan);}
.foot-grid p{margin-top:12px;max-width:300px;}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;}

/* Bouton d'appel mobile */
.call-fab{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;}

/* Responsive */
@media (max-width:1040px){ .nav-phone{display:none !important;} }
@media (max-width:960px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:36px;}
  .hero-info{max-width:460px;}
  .grid-4{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:880px){
  .burger{display:block;}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.1);padding:4px 20px 20px;display:none;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-links a[aria-current="page"]{text-decoration:none;color:var(--cyan);}
  .nav-links .btn{margin-top:14px;border:0;padding:14px;}
}
@media (max-width:720px){
  section{padding:56px 0;}
  section.tight{padding-top:0;}
  .hero{padding:48px 0 56px;}
  .hero.small{padding:40px 0 48px;}
  .grid-2,.grid-4,.compare{grid-template-columns:1fr;}
  .card{padding:22px;}
  .tag{position:static;display:inline-block;align-self:flex-start;margin-bottom:12px;}
  form.quote{grid-template-columns:1fr;padding:20px;}
  .cta-band{padding:28px 22px;}
  .foot-grid{grid-template-columns:1fr;}
  .call-fab{display:flex;}
  .hero-info dl{grid-template-columns:1fr 1fr;gap:12px 16px;}
  .hero-info dd{font-size:15px;}
  .hero-info{padding:18px;}
  .brands .wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;align-items:center;justify-items:center;}
  .brands img{max-width:100%;}
  body{padding-bottom:76px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;}
  .btn:hover,a.card:hover{transform:none;}
}
@media (hover:none){
  .btn:hover,a.card:hover{transform:none;box-shadow:none;}
}

/* Motif « ondes » du logo */
.hero{position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;top:50%;right:-60px;width:520px;height:740px;transform:translateY(-50%);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 420 600'%3E%3Cpath d='M70.7 215.7A110 110 0 0 1 70.7 384.3' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.9'/%3E%3Cpath d='M128.6 146.8A200 200 0 0 1 128.6 453.2' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.6'/%3E%3Cpath d='M186.4 77.8A290 290 0 0 1 186.4 522.2' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.35'/%3E%3Cpath d='M244.3 8.9A380 380 0 0 1 244.3 591.1' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.18'/%3E%3C/svg%3E") no-repeat center/contain;opacity:.10;pointer-events:none;}
.hero > .wrap{position:relative;z-index:1;}
.cta-band{position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-40px;top:50%;width:260px;height:370px;transform:translateY(-50%);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 420 600'%3E%3Cpath d='M70.7 215.7A110 110 0 0 1 70.7 384.3' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.9'/%3E%3Cpath d='M128.6 146.8A200 200 0 0 1 128.6 453.2' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.6'/%3E%3Cpath d='M186.4 77.8A290 290 0 0 1 186.4 522.2' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.35'/%3E%3Cpath d='M244.3 8.9A380 380 0 0 1 244.3 591.1' fill='none' stroke='%232BC0DC' stroke-width='26' stroke-linecap='round' opacity='0.18'/%3E%3C/svg%3E") no-repeat center/contain;opacity:.14;pointer-events:none;}
.cta-band > *{position:relative;z-index:1;}

/* Accent des titres de section */
.section-head h2::before,.split > div > h2::before{content:"";display:block;width:44px;height:4px;background:var(--cyan);border-radius:2px;margin-bottom:18px;}
.why .section-head h2::before{background:var(--cyan);}

/* En-tête : ombre au défilement */
.site-header{transition:box-shadow .2s;}
.site-header.scrolled{box-shadow:0 6px 20px -10px rgba(0,0,0,.6);}

/* Cartes de service : icône plus présente */
.card.main .icon svg,.card .icon svg{width:38px;height:38px;}
.card.main{padding-top:30px;}

/* Hero : plus d'air */
.hero{padding:96px 0 104px;}
.hero h1{letter-spacing:-.01em;}
.hero-info{background:rgba(255,255,255,.03);backdrop-filter:blur(2px);}
@media (max-width:720px){
  .hero{padding:52px 0 60px;}
  .hero::after{width:300px;height:430px;right:-120px;opacity:.07;}
  .cta-band::after{display:none;}
}
.hero-info dl{gap:2px;}
.hero-info dt:not(:first-child){margin-top:14px;}
@media (max-width:720px){ .hero-info dl{gap:2px 16px;} .hero-info dt:not(:first-child){margin-top:0;} }