/* Site de Relais 360 (relais360.com) : une page de présentation, sans bibliothèque. */
:root{
  --marine:#10263D;--marine-2:#1B3A57;--orange:#E2731E;--orange-2:#C9611A;--bleu:#1767C2;
  --fond:#FFFFFF;--teinte:#F3F6F9;--encre:#15212C;--doux:#55636F;--ligne:#DCE3EA;
  --ombre:0 18px 50px -18px rgba(16,38,61,.45),0 2px 6px rgba(16,38,61,.08);
  --rayon:12px;--police:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--fond);color:var(--encre);font:16px/1.6 var(--police);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--bleu)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(32px,4.6vw,52px)}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:20px}
p{margin:0 0 1em}
.w{max-width:1180px;margin:0 auto;padding:0 24px}
.w-etroit{max-width:820px}
@media (max-width:600px){.w{padding:0 16px}}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid transparent;border-radius:8px;padding:10px 18px;font-weight:650;font-size:15px;text-decoration:none;cursor:pointer;font-family:inherit;transition:background .15s,border-color .15s,color .15s}
.btn-grand{padding:14px 24px;font-size:16px}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-2)}
.btn-clair{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-clair:hover{background:rgba(255,255,255,.18)}
.btn-contour{border-color:var(--marine-2);color:var(--marine-2);background:transparent}
.btn-contour:hover{background:var(--marine-2);color:#fff}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #7FB2F3;outline-offset:2px}

/* En-tête */
.entete{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--ligne)}
.entete-in{display:flex;align-items:center;gap:24px;height:64px}
.marque{display:flex;align-items:center;gap:10px;color:var(--marine);text-decoration:none;font-size:20px;white-space:nowrap}
.marque b{color:var(--orange)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--encre);text-decoration:none;font-weight:550;font-size:15px}
.nav a:hover{color:var(--orange-2)}
.menu-tel{display:none;margin-left:auto;position:relative}
.menu-tel summary{list-style:none;cursor:pointer;width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;border-radius:8px}
.menu-tel summary::-webkit-details-marker{display:none}
.menu-tel summary span{display:block;height:2px;background:var(--marine);border-radius:2px}
.menu-tel-liens{position:absolute;right:0;top:50px;background:#fff;border:1px solid var(--ligne);border-radius:10px;box-shadow:var(--ombre);padding:10px;display:flex;flex-direction:column;min-width:220px}
.menu-tel-liens a:not(.btn){padding:10px 12px;color:var(--encre);text-decoration:none;font-weight:550;border-radius:6px}
.menu-tel-liens a:not(.btn):hover{background:var(--teinte)}
.menu-tel-liens .btn{margin-top:6px}
@media (max-width:860px){.nav,.entete-cta{display:none}.menu-tel{display:block}}

/* Héros */
.heros{background:radial-gradient(1200px 500px at 85% -10%,#24527E 0,transparent 60%),linear-gradient(160deg,var(--marine) 0,var(--marine-2) 100%);color:#fff;padding:72px 0 88px;overflow:hidden}
.heros-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center}
.sur-titre{text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:700;color:var(--orange);margin-bottom:12px}
.heros .chapeau{font-size:19px;color:#D3E0EC;max-width:560px}
.heros-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}
.atouts{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;color:#BCD0E2;font-size:14.5px}
.atouts li::before{content:"✓";color:var(--orange);font-weight:800;margin-right:7px}
@media (max-width:960px){.heros{padding:48px 0 56px}.heros-in{grid-template-columns:1fr;gap:36px}}

/* Captures d'écran */
.ecran{margin:0;background:#fff;border-radius:var(--rayon);box-shadow:var(--ombre);overflow:hidden;border:1px solid rgba(16,38,61,.12)}
.ecran-barre{height:26px;background:#E9EEF3;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid var(--ligne)}
.ecran-barre i{width:10px;height:10px;border-radius:50%;background:#C9D3DD}
.ecran-barre i:first-child{background:#F26D61}.ecran-barre i:nth-child(2){background:#F5BE4F}.ecran-barre i:nth-child(3){background:#5BC468}
.ecran-heros{transform:perspective(1600px) rotateY(-6deg) rotateX(2deg);transform-origin:left center;border:0}
@media (max-width:960px){.ecran-heros{transform:none}}
.telephone{margin:0 auto;max-width:230px;border-radius:34px;border:10px solid #0E1A26;background:#0E1A26;box-shadow:var(--ombre);overflow:hidden;aspect-ratio:390/700}
.telephone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:22px}

/* Bande de chiffres */
.bande{background:var(--teinte);border-bottom:1px solid var(--ligne)}
.bande-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:28px;padding-bottom:28px}
.bande-in div{display:flex;flex-direction:column}
.bande-in b{font-size:19px;color:var(--marine)}
.bande-in span{color:var(--doux);font-size:14.5px}
@media (max-width:860px){.bande-in{grid-template-columns:repeat(2,1fr)}}

/* Sections */
.section{padding:88px 0}
.section-teinte{background:var(--teinte)}
.section-sombre{background:linear-gradient(160deg,var(--marine) 0,var(--marine-2) 100%);color:#fff}
.titre-section{max-width:720px;margin:0 auto 56px;text-align:center}
.titre-section p:last-child{color:var(--doux);font-size:18px}
@media (max-width:600px){.section{padding:60px 0}.titre-section{margin-bottom:36px}}

.duo{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;margin-bottom:88px}
.duo.inverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.duo.inverse .duo-texte{order:2}
.duo-texte p{color:var(--doux);font-size:17px}
@media (max-width:960px){.duo,.duo.inverse{grid-template-columns:1fr;gap:28px;margin-bottom:64px}.duo.inverse .duo-texte{order:0}}

.coches{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.coches li{position:relative;padding-left:28px}
.coches li::before{content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;background:#FBE5D3 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.6 2.5L12 5.5' fill='none' stroke='%23C9611A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.coches-clair li{color:#D3E0EC}
.coches-clair li::before{background-color:rgba(226,115,30,.25)}
.deux-col{grid-template-columns:1fr 1fr;gap:10px 28px}
@media (max-width:700px){.deux-col{grid-template-columns:1fr}}

.grille{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.carte{background:#fff;border:1px solid var(--ligne);border-radius:var(--rayon);padding:24px}
.carte p{color:var(--doux);margin:0}
.pastille{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:#FBE5D3;color:var(--orange-2);font-size:20px;margin-bottom:14px}
@media (max-width:960px){.grille{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grille{grid-template-columns:1fr}}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}
.app{background:#fff;border:1px solid var(--ligne);border-radius:var(--rayon);padding:24px;height:100%}
.app figure{margin-bottom:22px}
.app p{color:var(--doux);margin:0}
.ecran-petit .ecran-barre{height:18px}
.ecran-petit .ecran-barre i{width:7px;height:7px}
.app-tel .telephone{max-width:190px}
@media (max-width:960px){.trio{grid-template-columns:1fr}}

.etapes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:e}
.etapes li{counter-increment:e;background:var(--teinte);border-radius:var(--rayon);padding:24px;display:flex;flex-direction:column;gap:6px}
.etapes li::before{content:counter(e);width:34px;height:34px;border-radius:50%;background:var(--marine);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.etapes b{font-size:18px}
.etapes span{color:var(--doux)}
@media (max-width:960px){.etapes{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.etapes{grid-template-columns:1fr}}

.forfaits{display:grid;grid-template-columns:repeat(2,minmax(0,380px));justify-content:center;gap:24px}
.forfait{background:#fff;border:1px solid var(--ligne);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:6px;text-align:center}
.forfait h3{font-size:22px;margin:0}
.forfait .taille{color:var(--doux);margin:0 0 10px}
.forfait .prix{margin:0;display:flex;align-items:baseline;justify-content:center;gap:6px;color:var(--marine)}
.forfait .prix b{font-size:52px;line-height:1;letter-spacing:-.02em}
.forfait .prix span{font-size:17px;color:var(--doux)}
.forfait .taxes{color:var(--doux);font-size:14px;margin:4px 0 20px}
.forfait .btn{margin-top:auto}
.forfait.vedette{border:2px solid var(--orange);box-shadow:0 18px 40px -22px rgba(226,115,30,.6)}
.inclus{max-width:900px;margin:40px auto 0;background:#fff;border:1px solid var(--ligne);border-radius:16px;padding:28px 32px}
.inclus h3{margin-bottom:16px}
.inclus .petit{color:var(--doux);font-size:14px;margin:18px 0 0}
.trois-col{grid-template-columns:repeat(3,1fr);gap:10px 24px}
@media (max-width:860px){.trois-col{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.forfaits{grid-template-columns:1fr}.trois-col{grid-template-columns:1fr}.inclus,.forfait{padding:24px}}

.faq{display:grid;gap:12px}
.faq details{border:1px solid var(--ligne);border-radius:10px;padding:0 20px;background:#fff}
.faq summary{cursor:pointer;font-weight:650;padding:18px 28px 18px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--orange-2);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--doux);margin:0 0 18px}

/* Démo */
.demo-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start}
.demo-texte p{color:#D3E0EC;font-size:18px}
.formulaire{background:#fff;color:var(--encre);border-radius:16px;padding:28px;display:grid;gap:14px;box-shadow:var(--ombre)}
.formulaire label{display:grid;gap:6px;font-weight:600;font-size:14.5px}
.formulaire small{font-weight:400;color:var(--doux)}
.formulaire input,.formulaire select,.formulaire textarea{font:inherit;font-weight:400;border:1px solid #C5D0DA;border-radius:8px;padding:11px 12px;background:#fff;color:var(--encre);width:100%}
.formulaire textarea{resize:vertical}
.formulaire [aria-invalid="true"]{border-color:#C0392B;background:#FFF6F5}
.champs-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.piege{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.formulaire .petit{font-size:13px;color:var(--doux);margin:0}
.avis{margin:0;padding:12px 14px;border-radius:8px;font-weight:600}
.avis.ok{background:#E3F4EA;color:#1E6B41}
.avis.erreur{background:#FDECEA;color:#A5281B}
@media (max-width:960px){.demo-in{grid-template-columns:1fr;gap:32px}}
@media (max-width:600px){.champs-2{grid-template-columns:1fr}.formulaire{padding:20px}}

/* Pied */
.pied{background:#0B1B2B;color:#9FB3C6;padding:36px 0;font-size:14.5px}
.pied-in{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px}
.pied .marque{color:#fff;font-size:18px}
.pied nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.pied nav a{color:#C8D6E3;text-decoration:none}
.pied nav a:hover{color:#fff}
.pied p{margin:0 0 0 auto}
@media (max-width:860px){.pied p{margin:0}}

/* Page de texte (confidentialité) */
.texte{padding:56px 0 80px}
.texte h1{font-size:clamp(28px,3.6vw,40px)}
.texte h2{font-size:22px;margin-top:1.6em}
.texte p,.texte li{color:#2E3B47}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ecran-heros{transform:none}}