:root{--bleu-nuit:#073f66;--bleu-profond:#006eb8;--bleu-vif:#12aeea;--cyan:#35d0dd;--turquoise:#2fc7b8;--vert-eau:#74e0c2;--fond:#f2fbfd;--texte:#123247;--ombre:0 20px 50px rgba(0,111,184,.14)}*{box-sizing:border-box;scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--texte);background:linear-gradient(180deg,#fff 0%,var(--fond) 100%);line-height:1.6}.header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(18,174,234,.16)}.nav{max-width:1180px;margin:auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--bleu-nuit);font-weight:800;font-size:1.2rem}.brand img{width:54px;height:54px;object-fit:contain}.links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:18px}.links a{text-decoration:none;color:var(--texte);font-weight:700;font-size:.95rem}.hero{max-width:1180px;margin:auto;padding:90px 22px 70px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}.badge,.section-label{display:inline-block;color:var(--bleu-profond);background:rgba(53,208,221,.14);border:1px solid rgba(53,208,221,.35);padding:8px 14px;border-radius:999px;font-weight:800}h1{font-size:clamp(2.5rem,5vw,4.9rem);line-height:1.02;margin:18px 0;color:var(--bleu-nuit)}h2{font-size:clamp(2rem,3vw,3rem);line-height:1.1;margin:12px 0 18px;color:var(--bleu-nuit)}h3{color:var(--bleu-profond);margin-top:0}.lead{font-size:1.2rem;max-width:680px}.buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;padding:14px 22px;border-radius:999px;text-decoration:none;font-weight:800}.primary{color:white;background:linear-gradient(135deg,var(--bleu-profond),var(--turquoise));box-shadow:var(--ombre)}.secondary{color:var(--bleu-nuit);background:white;border:1px solid rgba(18,174,234,.28)}.hero-card{background:radial-gradient(circle at top,#fff,#dffaff);border-radius:36px;padding:34px;box-shadow:var(--ombre);text-align:center}.hero-card img{width:100%;max-width:360px}.section{max-width:1180px;margin:0 auto 38px;padding:70px 22px}.alt{background:linear-gradient(135deg,rgba(18,174,234,.08),rgba(47,199,184,.12));max-width:none;padding-left:calc((100% - 1180px)/2 + 22px);padding-right:calc((100% - 1180px)/2 + 22px)}.grid{display:grid;gap:22px;margin-top:28px}.three{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:repeat(2,1fr)}article,.highlight,.contact-card,.don-box{background:white;border:1px solid rgba(18,174,234,.15);border-radius:26px;padding:26px;box-shadow:0 12px 34px rgba(0,111,184,.08)}.split{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:center}.highlight{background:linear-gradient(135deg,var(--bleu-profond),var(--turquoise));color:white}.highlight h3{color:white}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.gallery img{width:100%;height:290px;object-fit:cover;border-radius:24px;box-shadow:0 12px 34px rgba(0,111,184,.12)}.don-box{max-width:760px}.contact-card a,.don-box a:not(.btn){color:var(--bleu-profond);font-weight:800}footer{text-align:center;padding:30px 22px;background:var(--bleu-nuit);color:white}@media(max-width:950px){.links{display:none}.hero,.split,.three,.two{grid-template-columns:1fr}.gallery{grid-template-columns:1fr 1fr}.hero{padding-top:55px}}@media(max-width:620px){.gallery{grid-template-columns:1fr}.gallery img{height:260px}}