/* ==========================================================================
   TES.Landing.Certibeau — feuille de style
   Reprise quasi telle quelle du gabarit fourni par le client, complétée par :
   - l'état ouvert du menu mobile (.menu.is-open), le burger reposait à l'origine
     sur du JS inline ; il est géré ici en CSS + wwwroot/js/site.js
   - le bandeau de consentement cookies (.cookie-banner)
   ========================================================================== */
:root{
  --blue:#0d7fc2;
  --blue-deep:#0b3a53;
  --blue-ink:#082a3d;
  --teal:#14a8a0;
  --green:#3ca35b;
  --green-soft:#e7f6ec;
  --sky:#eaf6fc;
  --sky-2:#f5fbfd;
  --sand:#ffffff;
  --text:#22323b;
  --muted:#5d7079;
  --line:#e2eef3;
  --shadow:0 18px 40px -22px rgba(11,58,83,.45);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text);background:var(--sky-2);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.2;color:var(--blue-ink);font-weight:700}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:min(1160px,92%);margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:'Poppins';font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--teal);border-radius:2px}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:'Poppins';font-weight:600;font-size:.95rem;padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.2s transform,.2s box-shadow,.2s background}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 12px 26px -12px rgba(13,127,194,.8)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-outline{background:#fff;color:var(--blue-deep);border-color:var(--line)}

/* ---------- ACCESSIBILITÉ ---------- */
/* Une règle d'auteur comme .cookie-banner{display:flex} bat la règle [hidden] de l'agent
   utilisateur : sans ce rappel, un élément masqué en JS resterait visible. */
[hidden]{display:none !important}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:#fff;color:var(--blue-ink);
  font-family:'Poppins',sans-serif;font-weight:600;padding:.8rem 1.2rem;border-radius:0 0 12px 0}
.skip-link:focus{left:0}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* Pages de service (erreur, 404) : reprennent la charte sans dépendre des sections. */
.page-message{padding:6rem 0;text-align:center;min-height:60vh}
.page-message h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:1rem}
.page-message p{color:var(--muted);margin-bottom:1.2rem}

/* ---------- HEADER ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.8rem}
.brand .logo-box{height:46px;display:flex;align-items:center}
.brand .logo-box svg{height:40px;width:auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt strong{font-family:'Poppins';font-weight:700;font-size:1.05rem;color:var(--blue-ink)}
.brand-txt span{font-size:.72rem;color:var(--muted)}
nav.menu{display:flex;align-items:center;gap:1.6rem}
nav.menu a{font-size:.92rem;font-weight:500;color:var(--blue-deep);transition:.2s color}
nav.menu a:hover{color:var(--teal)}
.nav .btn{padding:.6rem 1.15rem;font-size:.88rem}
.burger{display:none;background:none;border:0;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--blue-deep);margin:5px 0;border-radius:2px}

/* ---------- HERO ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(150deg,#0b3a53,#0d7fc2 60%,#14a8a0)}
.hero .photo{position:absolute;inset:0;z-index:0}
.hero .photo img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero .photo::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(8,42,61,.86),rgba(13,127,194,.55) 55%,rgba(20,168,160,.5))}
.hero-inner{position:relative;z-index:2;padding:5.5rem 0 7.5rem}
.hero .eyebrow{color:#bff0ea}
.hero .eyebrow::before{background:#8fe3da}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800;max-width:16ch;margin:1rem 0}
.hero p.lead{font-size:1.16rem;max-width:52ch;color:#eaf6fc}
.hero .cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.badge-agr{display:inline-flex;align-items:center;gap:.7rem;margin-top:2.4rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);padding:.6rem 1rem;border-radius:14px;backdrop-filter:blur(4px);font-size:.9rem}
.badge-agr b{font-family:'Poppins'}
.drop-ico{width:22px;height:22px;flex:0 0 auto}
.wave-sep{position:absolute;bottom:-1px;left:0;width:100%;z-index:3;line-height:0}

/* ---------- SECTIONS ---------- */
section{padding:5rem 0}
.sec-head{max-width:62ch}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:.7rem 0 1rem}
.sec-head p{color:var(--muted);font-size:1.05rem}
.lede{font-size:1.12rem;color:var(--text)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;box-shadow:var(--shadow);transition:.25s transform,.25s box-shadow}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 46px -24px rgba(11,58,83,.55)}
.card .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--sky);margin-bottom:1rem}
.card.g .ic{background:var(--green-soft)}
.card h3{font-size:1.16rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem}

/* obligation band */
.band{background:linear-gradient(135deg,var(--blue-deep),#0d7fc2);color:#fff;border-radius:26px;overflow:hidden;display:grid;grid-template-columns:1.1fr .9fr;box-shadow:var(--shadow)}
.band .txt{padding:3rem}
.band .txt h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem)}
.band .txt p{color:#dceff9;margin-top:.8rem;font-size:1.05rem}
.band .txt .date-pill{display:inline-block;background:var(--green);color:#fff;font-family:'Poppins';font-weight:600;padding:.35rem .9rem;border-radius:999px;font-size:.85rem;margin-bottom:1rem}
.band .media{position:relative;min-height:280px;background:linear-gradient(135deg,#14a8a0,#3ca35b)}
.band .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* verifie: two columns */
.split{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:2.6rem}
.check-card{background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:14px;padding:1.6rem}
.check-card.green{border-left-color:var(--green)}
.check-card h3{display:flex;align-items:center;gap:.6rem;font-size:1.15rem}
.check-card ul{list-style:none;margin-top:.9rem;display:flex;flex-direction:column;gap:.55rem}
.check-card li{position:relative;padding-left:1.6rem;color:var(--muted);font-size:.97rem}
.check-card li::before{content:"";position:absolute;left:0;top:.5rem;width:9px;height:9px;border-radius:50%;background:var(--teal)}
.check-card.green li::before{background:var(--green)}

/* concernés chips */
.chips{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}
.chip{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.6rem 1.1rem;font-weight:500;font-size:.95rem;color:var(--blue-deep);box-shadow:0 8px 18px -14px rgba(11,58,83,.5)}
.chip svg{color:var(--teal)}

/* steps */
.steps{margin-top:2.6rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;position:relative;box-shadow:var(--shadow)}
.step::before{counter-increment:s;content:counter(s);font-family:'Poppins';font-weight:800;font-size:1.1rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--teal));width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.step h3{font-size:1.05rem;margin-bottom:.4rem}
.step p{color:var(--muted);font-size:.93rem}

/* why us */
.why{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center}
.why .facts{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;margin-top:1.6rem}
.fact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.2rem}
.fact b{display:block;font-family:'Poppins';font-size:1.5rem;color:var(--blue)}
.fact span{font-size:.9rem;color:var(--muted)}
.why .photo-frame{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);min-height:360px;background:linear-gradient(135deg,#0d7fc2,#3ca35b);position:relative}
.why .photo-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* faq */
.faq{max-width:820px;margin:2.4rem auto 0}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:.3rem 1.3rem;margin-bottom:.9rem;box-shadow:0 10px 22px -20px rgba(11,58,83,.6)}
details summary{cursor:pointer;list-style:none;font-family:'Poppins';font-weight:600;color:var(--blue-ink);padding:1rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-size:1.4rem;color:var(--teal);transition:.2s transform}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:1.1rem}

/* contact */
.contact{background:linear-gradient(160deg,#0b3a53,#0d7fc2);color:#fff}
.contact h2{color:#fff}
.contact .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.6rem;margin-top:2.4rem}
.contact .info-list{display:flex;flex-direction:column;gap:1.3rem}
.info-row{display:flex;gap:1rem;align-items:flex-start}
.info-row .ic{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25)}
.info-row h4{color:#fff;font-size:1rem;margin-bottom:.15rem}
.info-row p,.info-row a{color:#d7ecf7;font-size:.98rem}
.info-row a:hover{color:#fff;text-decoration:underline}
.contact-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:2rem;backdrop-filter:blur(6px)}
.contact-card h3{color:#fff;font-size:1.25rem}
.contact-card p{color:#d7ecf7;margin:.6rem 0 1.4rem}
.contact-card .btn{width:100%;justify-content:center;margin-bottom:.8rem}
.socials{display:flex;gap:.7rem;margin-top:1.2rem}
.socials a{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;transition:.2s background}
.socials a:hover{background:rgba(255,255,255,.25)}

/* group banner */
.group{background:#fff;border-top:1px solid var(--line)}
.group .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.4rem;padding:2.2rem 0}
.group .g-txt{max-width:60ch}
.group .g-txt span{font-family:'Poppins';font-weight:600;color:var(--teal);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}
.group .g-txt h3{margin:.35rem 0;font-size:1.35rem}
.group .g-txt p{color:var(--muted)}

/* footer */
footer{background:var(--blue-ink);color:#b9d3df;padding:3rem 0 2rem;font-size:.9rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
footer h5{font-family:'Poppins';color:#fff;font-size:.95rem;margin-bottom:.9rem;letter-spacing:.03em}
footer a{color:#b9d3df}
footer a:hover{color:#fff}
footer ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.2rem;padding-top:1.4rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.82rem;color:#89a7b5}
.foot-note{font-size:.8rem;color:#7ea0b0;max-width:70ch;margin-top:.6rem;line-height:1.5}

/* ---------- COOKIE CONSENT ---------- */
.cookie-banner{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:100;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:1.2rem 1.4rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;max-width:1000px;margin-inline:auto}
.cookie-banner__text p{color:var(--muted);font-size:.92rem;max-width:70ch}
.cookie-banner__actions{display:flex;gap:.7rem;flex-wrap:wrap}
.cookie-banner__actions .btn{padding:.6rem 1.2rem;font-size:.88rem}

@media(max-width:900px){
  nav.menu{display:none}
  nav.menu.is-open{display:flex;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem 5%;border-bottom:1px solid var(--line);gap:1rem}
  .burger{display:block}
  .grid-3,.steps{grid-template-columns:1fr 1fr}
  .band,.split,.why,.contact .grid,footer .cols{grid-template-columns:1fr}
  .band .media{min-height:220px}
}
@media(max-width:560px){
  .grid-3,.steps{grid-template-columns:1fr}
  .why .facts{grid-template-columns:1fr 1fr}
  .brand-txt span{display:none}
  .cookie-banner{flex-direction:column;align-items:stretch}
}