:root{
  --navy:#102A43; --navy-deep:#0A1D30; --pro:#173F6B; --primary:#1769AA;
  --light:#EAF3FA; --white:#FFFFFF; --silver:#DCE4EC;
  --line:rgba(220,228,236,.16); --accent-line:rgba(23,105,170,.55);
  --serif:'Playfair Display',Georgia,serif; --sans:'Inter',system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--navy-deep);color:var(--silver);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* Loader */
#loader{position:fixed;inset:0;z-index:100;background:var(--navy-deep);display:grid;place-items:center;transition:opacity .5s,visibility .5s}
#loader img{width:140px}
#loader.done{opacity:0;visibility:hidden}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(10,29,48,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand img{height:62px;width:auto}
nav.main ul{display:flex;gap:30px;align-items:center}
nav.main a{font-size:.88rem;color:var(--silver);padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--white);border-color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:var(--white);font-weight:600;font-size:.9rem;padding:12px 24px;border-radius:8px;border:1px solid var(--primary);transition:background .2s}
.btn:hover{background:var(--pro)}
.btn.sm{padding:9px 18px;font-size:.82rem}
.btn.ghost{background:transparent;border-color:var(--accent-line);color:var(--white)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;color:var(--white);cursor:pointer}
.burger svg{margin:auto}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(60% 80% at 78% 30%,rgba(23,105,170,.28),transparent 70%),linear-gradient(120deg,var(--navy-deep) 35%,var(--navy))}
.hero::before{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-line),transparent)}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;min-height:600px;gap:20px}
.hero-text{padding:60px 0;position:relative;z-index:2}
.hero h1{font-family:var(--serif);font-weight:500;color:var(--white);font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.15;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--light)}
.hero h1::after{content:"";display:block;width:84px;height:3px;border-radius:3px;margin-top:20px;background:linear-gradient(90deg,var(--primary),var(--light))}
.hero p.lead{max-width:460px;color:var(--silver);margin-bottom:30px}
.hero .actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.hero-photo{position:relative;height:100%;min-height:420px;margin-right:calc(50% - 50vw)}
body{overflow-x:hidden}
.hero-photo img,.media img{filter:saturate(.88) contrast(1.06) brightness(.94)}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-photo::before,.media::before{content:"";position:absolute;inset:0;z-index:1;background:rgba(16,42,67,.34);mix-blend-mode:multiply;pointer-events:none}
.hero-photo::after{z-index:2}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy-deep) 0%,rgba(10,29,48,0) 38%),linear-gradient(0deg,var(--navy-deep) 0%,rgba(10,29,48,0) 30%)}
.hero.sm .wrap{min-height:500px}
.play{display:inline-flex;align-items:center;gap:10px;color:var(--silver);font-size:.85rem}
.play span{width:40px;height:40px;border:1px solid var(--accent-line);border-radius:50%;display:grid;place-items:center}

/* Icon strip & cards */
.strip{background:var(--navy);border:1px solid var(--line);border-radius:14px;margin-top:-44px;position:relative;z-index:3;padding:30px 20px;box-shadow:0 24px 60px -24px rgba(0,0,0,.7),inset 0 1px 0 rgba(234,243,250,.07);display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center}
.strip a+a{border-left:1px solid var(--line)}
.strip a:hover .ico{background:var(--primary);color:var(--white)}
.strip a,.card-icon{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:.85rem;color:var(--white)}
.ico{transition:background .2s,color .2s;width:54px;height:54px;border-radius:50%;border:1px solid var(--accent-line);display:grid;place-items:center;color:var(--light);background:rgba(23,105,170,.14)}
.ico svg{width:24px;height:24px}
section.block{padding:72px 0}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--navy)}
.split .media{position:relative;height:100%;min-height:380px}
.split .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split .media::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(16,42,67,0) 60%,var(--navy))}
.split.flip .media::after{background:linear-gradient(270deg,rgba(16,42,67,0) 60%,var(--navy))}
.split .txt h2::after{content:"";display:block;width:56px;height:3px;border-radius:3px;margin-top:16px;background:linear-gradient(90deg,var(--primary),var(--light))}
.split .txt{padding:48px}
.split.flip .media{order:2}
h2{font-family:var(--serif);font-weight:500;color:var(--white);font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.2;margin-bottom:16px}
h2 em{font-style:normal;color:var(--light)}
.sec-title{text-align:center;margin-bottom:34px}
.sec-title p{color:var(--silver)}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--navy);border:1px solid var(--line);border-radius:12px;padding:26px 18px;text-align:center;transition:border-color .2s}
.card:hover{border-color:var(--primary)}
.card .ico{margin:0 auto 12px}
.card h3{font-size:.95rem;color:var(--white);font-weight:600}
.card p{font-size:.84rem;margin-top:6px}

/* Detail pages */
.checks{display:grid;gap:14px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem}
.checks li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:50%;background:var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/70% no-repeat}
.checks b{color:var(--white);font-weight:600}
.intro{max-width:780px;margin:0 auto 40px;text-align:center}
.banner{display:flex;align-items:center;justify-content:center;gap:18px;border:1px solid var(--accent-line);border-radius:14px;background:var(--navy);padding:26px}
.banner img{height:56px;width:auto}
.banner p{font-family:var(--serif);font-size:1.25rem;color:var(--white)}
.cta-band{margin-top:56px}

/* Testimonials */
.quote{background:var(--light);color:var(--navy);border-radius:14px;padding:34px;display:grid;gap:16px}
.quote p{font-family:var(--serif);font-size:1.1rem}
.quote small{color:var(--pro);font-weight:600}
.rating{display:flex;align-items:center;gap:12px;margin-top:26px;justify-content:center;color:var(--white)}
.rating b{font-size:1.6rem}

/* FAQ / form */
details{background:var(--navy);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px}
details[open]{border-color:var(--accent-line)}
summary{cursor:pointer;color:var(--white);font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:14px}
summary::after{content:"+";color:var(--light);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin-top:12px}
form.contact{display:grid;gap:16px;max-width:680px;margin:0 auto;background:var(--navy);border:1px solid var(--line);border-radius:14px;padding:32px}
label{font-size:.85rem;color:var(--white);display:grid;gap:6px}
input,select,textarea{font:inherit;background:var(--navy-deep);color:var(--white);border:1px solid var(--line);border-radius:8px;padding:12px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}
.form-note{font-size:.8rem;color:var(--silver)}

/* Footer */
footer.site{border-top:1px solid var(--line);background:var(--navy-deep);padding:52px 0 26px;margin-top:40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot img{height:88px;width:auto;margin-bottom:14px}
.foot h4{color:var(--white);font-size:.9rem;margin-bottom:14px}
.foot li{margin-bottom:8px;font-size:.88rem}
.foot a:hover{color:var(--white)}
.copy{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;font-size:.8rem;text-align:center}

/* Mobile */
@media (max-width:900px){
  nav.main{display:none;position:absolute;top:84px;left:0;right:0;background:var(--navy-deep);border-bottom:1px solid var(--line);padding:18px 24px}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:flex-start;gap:16px}
  .burger{display:grid}
  .hero .wrap{grid-template-columns:1fr}
  .hero-photo{min-height:300px;order:-1;margin:0 -24px}
  .hero-photo::after{background:linear-gradient(0deg,var(--navy-deep) 0%,rgba(10,29,48,0) 45%)}
  .hero-text{padding:20px 0 50px}
  .strip{grid-template-columns:repeat(2,1fr)}
  .split,.g3,.g4,.foot{grid-template-columns:1fr}
  .split.flip .media{order:0}
  .split .media{min-height:260px}
  .split .media::after{background:linear-gradient(0deg,var(--navy),rgba(16,42,67,0) 50%)!important}
  .hero{min-height:0}
  .hero .wrap{min-height:0}
  .split .txt{padding:30px 24px}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){.g4,.g3{grid-template-columns:1fr 1fr}}

/* Hero plein cadre : visuel conçu avec la partie gauche sombre pour porter le texte */
.hero.full .hero-photo{position:absolute;inset:0;margin:0;min-height:0;z-index:0}
.hero.full .hero-text{z-index:5}
.hero.full .hero-photo::after{background:linear-gradient(90deg,var(--navy-deep) 0%,rgba(10,29,48,.55) 34%,rgba(10,29,48,0) 58%),linear-gradient(0deg,var(--navy-deep) 0%,rgba(10,29,48,0) 22%)}
.hero.full .hero-photo::before{display:none}
.hero.full .hero-photo img{filter:none}
@media (max-width:900px){
  .hero.full .hero-photo{position:relative;min-height:340px;margin:0 -24px;z-index:auto}
  .hero.full .hero-photo img{object-position:var(--mx,75%) 10%!important}
  .hero.full .hero-photo::after{background:linear-gradient(0deg,var(--navy-deep) 0%,rgba(10,29,48,0) 45%)}
}
.hero.full .hero-text{max-width:560px}
@media (max-width:900px){.hero.full .hero-text{max-width:none}}

.banner.has-bg{position:relative;overflow:hidden;min-height:170px}
.who{display:flex;align-items:center;gap:14px}
.avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;object-position:50% 25%;border:2px solid var(--primary)}