:root{--navy:#0B2A4A;--blue:#1466C8;--blue-dark:#0F4FA0;--sky:#38B6E8;--ice:#E8F1FB;--mist:#F5F9FD;--white:#fff;--text:#1F2933;--muted:#5A6B7B;--ok:#1B9A6B;--radius:12px;--shadow:0 6px 24px rgba(11,42,74,.08);--font:Inter,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:light}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);line-height:1.6;font-size:17px;padding-bottom:72px}
img,svg{max-width:100%;height:auto}
a{color:var(--blue)}
h1,h2,h3{color:var(--navy);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(1.7rem,4.8vw,2.6rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.35rem,3.4vw,1.85rem);font-weight:700;margin-top:1.6em}
h3{font-size:1.1rem;font-weight:700;margin-top:1.2em}
p{margin:0 0 1em}
ul{padding-left:1.2em}
li{margin-bottom:.35em}
.wrap{width:min(1120px,100% - 2rem);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem 1rem;z-index:100}
/* en-tête */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--ice)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:42px;width:auto;display:block}
.nav{display:none;gap:1.4rem;align-items:center}
.nav a{color:var(--navy);text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover,.nav a[aria-current]{color:var(--blue)}
.nav .dd{position:relative}
.nav .dd>a::after{content:" ▾";font-size:.7em}
.nav .dd ul{display:none;position:absolute;top:100%;left:0;background:#fff;list-style:none;padding:.5rem 0;margin:0;min-width:260px;box-shadow:var(--shadow);border-radius:10px}
.nav .dd:hover ul,.nav .dd:focus-within ul{display:block}
.nav .dd ul a{display:block;padding:.5rem 1rem;font-weight:500}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--ice);border-radius:10px;background:#fff;cursor:pointer}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-6px}.burger span::after{top:6px}
.mnav{display:none;background:#fff;border-bottom:1px solid var(--ice)}
.mnav.open{display:block}
.mnav a{display:block;padding:.8rem 1rem;color:var(--navy);text-decoration:none;font-weight:600;border-top:1px solid var(--mist)}
.mnav .sub a{padding-left:2rem;font-weight:500;color:var(--text)}
.hdr-tel{display:none!important}
@media(min-width:960px){.nav{display:flex}.burger,.mnav{display:none!important}.hdr-tel{display:inline-flex!important}}
/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.35rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.15s;cursor:pointer;font-size:1rem;font-family:inherit}
.btn-p{background:var(--blue);color:#fff}.btn-p:hover{background:var(--blue-dark)}
.btn-o{background:#fff;color:var(--blue);border-color:var(--blue)}.btn-o:hover{background:var(--ice)}
.btn-w{background:#fff;color:var(--navy)}.btn-w:hover{background:var(--ice)}
.btn-ghost{background:transparent;color:#fff;border-color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn svg{width:20px;height:20px}
/* bandeau */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#0F4FA0 55%,var(--blue) 100%);color:#fff;padding:3rem 0 3.5rem;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(56,182,232,.35),transparent 65%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;max-width:22ch}
.hero p{font-size:1.1rem;max-width:56ch;opacity:.95}
.hero .kicker{display:inline-block;background:rgba(255,255,255,.14);padding:.3rem .8rem;border-radius:999px;font-size:.85rem;font-weight:600;letter-spacing:.03em;margin-bottom:1rem}
.hero .cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}
.hero-pts{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:1.6rem;padding:0;list-style:none;font-size:.95rem}
.hero-pts li{display:flex;align-items:center;gap:.45rem}
.hero-pts svg{width:18px;height:18px;flex:none}
.hero-grid{display:grid;gap:2rem;align-items:center}
.hero-art{display:none;width:100%;max-width:400px;justify-self:end}
@media(min-width:960px){.hero{padding:4.5rem 0 5rem}.hero-grid{grid-template-columns:1.3fr 1fr}.hero-art{display:block}}
/* sections */
.sec{padding:2.5rem 0}
.sec-alt{background:var(--mist)}
.sec h2:first-child{margin-top:0}
.lead{font-size:1.1rem;color:var(--muted);max-width:64ch}
.grid{display:grid;gap:1.1rem;grid-template-columns:1fr}
@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid var(--ice);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-top:0}
.card h3 a{text-decoration:none;color:inherit}
.card .ic{width:44px;height:44px;border-radius:10px;background:var(--ice);display:flex;align-items:center;justify-content:center;margin-bottom:.9rem}
.card .ic svg{width:26px;height:26px}
.card p{color:var(--muted);font-size:.98rem;flex:1}
.card a.more{font-weight:700;text-decoration:none}
.card a.more::after{content:" →"}
.tips{display:grid;gap:1rem;margin:1rem 0 0}
.tip{border-left:4px solid var(--sky);background:var(--mist);border-radius:0 10px 10px 0;padding:1rem 1.2rem}
.tip h3{margin:0 0 .4rem;font-size:1.05rem}
.tip p{margin:0 0 .5rem}
.tip a{font-weight:700;text-decoration:none}
.tip a::after{content:" →"}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:1rem}
@media(min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:s;background:#fff;border-radius:var(--radius);padding:1.2rem;border:1px solid var(--ice)}
.steps li::before{content:counter(s);display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:.6rem}
.steps strong{display:block;color:var(--navy);margin-bottom:.3rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;list-style:none}
.chips a{display:inline-block;padding:.45rem .9rem;border-radius:999px;background:var(--ice);color:var(--navy);text-decoration:none;font-weight:600;font-size:.92rem}
.chips a:hover{background:var(--blue);color:#fff}
.band{background:var(--blue);color:#fff;padding:2.2rem 0;text-align:center}
.band h2{color:#fff;margin-top:0}
.band .cta{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;margin-top:1rem}
.faq details{border:1px solid var(--ice);border-radius:10px;padding:.9rem 1.1rem;margin-bottom:.7rem;background:#fff}
.faq summary{font-weight:700;color:var(--navy);cursor:pointer}
.faq details p{margin:.7rem 0 0;color:var(--text)}
.prose{max-width:72ch}
.prose h2{margin-top:1.8em}
.note{background:var(--ice);border-left:4px solid var(--sky);padding:.9rem 1.1rem;border-radius:0 10px 10px 0;margin:1.2rem 0}
.bc{font-size:.85rem;color:var(--muted);margin:1rem 0 0}
.bc ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem}
.bc li+li::before{content:"›";margin-right:.3rem}
.bc a{color:var(--muted);text-decoration:none}
.two{display:grid;gap:2rem}
@media(min-width:900px){.two{grid-template-columns:1.4fr 1fr;align-items:start}}
.aside{background:var(--mist);border-radius:var(--radius);padding:1.4rem;position:sticky;top:80px}
.aside .h3{font-size:1.1rem;margin:0 0 .5em}.aside .h3~.h3{margin-top:1.2em}
.aside .tel{display:block;font-size:1.5rem;font-weight:800;color:var(--navy);text-decoration:none;margin:.3rem 0 .8rem}
.aside ul{padding-left:1.1em;color:var(--muted);font-size:.95rem}
/* formulaire */
.form{display:grid;gap:.9rem}
.form label{font-weight:600;color:var(--navy);display:block;margin-bottom:.3rem}
.form input,.form select,.form textarea{width:100%;padding:.8rem .9rem;border:1px solid #C9D6E4;border-radius:10px;font:inherit;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--sky);border-color:var(--blue)}
.form .hp{position:absolute;left:-9999px}
.form small{color:var(--muted)}
.alert{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1rem}
.alert-ok{background:#E5F6EE;color:#125C40;border:1px solid #B8E3CE}
.alert-err{background:#FDEBEB;color:#8A1C1C;border:1px solid #F3C3C3}
/* pied de page */
.ftr{background:var(--navy);color:#C9D9EA;padding:2.5rem 0 1.5rem;font-size:.95rem}
.ftr a{color:#fff;text-decoration:none}
.ftr a:hover{text-decoration:underline}
.ftr .fh{color:#fff;margin:0 0 .6rem;font-size:1rem;font-weight:700}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin-bottom:.35rem}
.ftr .cols{display:grid;gap:1.6rem}
.ftr .logo{height:48px;width:auto;display:block}
@media(min-width:760px){.ftr .cols{grid-template-columns:1.3fr 1fr 1fr 1fr}}
.ftr .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:1.8rem;padding-top:1rem;font-size:.85rem;display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;justify-content:space-between}
.ftr .soc{display:inline-flex;align-items:center;gap:.4rem}
.ftr .soc svg{width:18px;height:18px}
/* barre d'appel fixe (mobile) */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:.5rem;padding:.6rem .8rem calc(.6rem + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--ice);box-shadow:0 -4px 16px rgba(11,42,74,.1)}
.callbar a{flex:1;padding:.75rem;font-size:.98rem}
@media(min-width:960px){.callbar{display:none}body{padding-bottom:0}}
.small{font-size:.85rem;color:var(--muted)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.burger span{transition:none}}