:root{
--ink:#10212a;--muted:#657680;--teal:#069aad;--teal2:#007989;--line:#dfe7ea;
--bg:#f5f8f9;--white:#fff;--shadow:0 18px 60px rgba(10,35,45,.12)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}.muted{color:var(--muted)}.tiny{font-size:.78rem;color:#71828b;margin-top:22px}.eyebrow{font-size:.78rem;letter-spacing:.22em;font-weight:800;color:#45d4e1}.eyebrow.dark{color:var(--teal)}
.login-page{min-height:100vh;background:url('../img/couverture-desktop.png') center/cover no-repeat fixed;position:relative}
.login-overlay{position:fixed;inset:0;background:linear-gradient(90deg,rgba(4,18,25,.82),rgba(4,18,25,.33) 55%,rgba(4,18,25,.15))}
.login-shell{position:relative;min-height:100vh;display:flex;align-items:center;padding:7vw}
.login-card{width:min(430px,100%);background:rgba(255,255,255,.95);backdrop-filter:blur(12px);padding:36px;border-radius:24px;box-shadow:var(--shadow)}
.login-logo{width:285px;max-width:84%;display:block;margin:0 auto 18px}.login-card h1{font-size:2rem;margin:.4rem 0}.stack{display:grid;gap:14px}
label{display:grid;gap:7px;font-weight:650;font-size:.92rem}input,select,textarea{width:100%;border:1px solid #cad7dc;border-radius:12px;padding:13px 14px;background:white;font:inherit;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(6,154,173,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;border:1px solid transparent;font-weight:800;cursor:pointer}.btn.primary{background:linear-gradient(135deg,var(--teal),var(--teal2));color:white}.btn.ghost{background:white;border-color:#cddadd}.btn.big{padding:15px 22px;font-size:1rem}.alert{padding:12px;border-radius:10px;background:#fff0f0;color:#a73434;margin:14px 0}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:10px 4vw;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-size:.95rem;letter-spacing:.05em}.brand img{height:50px;width:auto}.brand b{color:var(--teal)}
.topbar nav{display:flex;gap:20px;align-items:center;font-size:.9rem;font-weight:700}.topbar nav a:hover{color:var(--teal)}
.hero{min-height:54vh;display:flex;align-items:center;background:linear-gradient(90deg,rgba(4,20,27,.78),rgba(4,20,27,.18)),url('../img/couverture-desktop.png') center 57%/cover no-repeat;color:white}
.hero-content{width:min(1180px,92%);margin:auto}.hero h1{font-size:clamp(2.5rem,6vw,5.5rem);line-height:.95;margin:.4rem 0 1rem}.hero p{max-width:650px;font-size:1.08rem;color:#e8f3f5}
.container{width:min(1180px,92%);margin:auto}.page{padding:48px 0 70px}.narrow{max-width:760px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:42px 0 24px}.section-head h1,.section-head h2{margin:.3rem 0 0}.section-head p{max-width:580px}
.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.two{grid-template-columns:repeat(2,1fr)}
.zone-card,.info-card,.tarif-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 30px rgba(12,42,53,.05)}.zone-card{position:relative;transition:.2s}.zone-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c5e8ec}.zone-code{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#e7f8fa;color:var(--teal2);font-weight:900}.zone-card h3{font-size:1.35rem;margin:20px 0 8px}.arrow{position:absolute;right:24px;bottom:22px;color:var(--teal);font-size:1.5rem}
.breadcrumb{font-size:.84rem;color:#71828b;margin-bottom:22px}.breadcrumb a{color:var(--teal2)}
.notice{background:#eaf8fa;border:1px solid #c9ecef;padding:16px 18px;border-radius:14px;color:#2b5e66;margin-bottom:24px}
.reservation-form{display:grid;gap:18px}.reservation-form fieldset{border:1px solid var(--line);background:white;border-radius:18px;padding:24px}.reservation-form legend{font-weight:900;padding:0 10px;color:var(--teal2)}.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,1fr)}.check{grid-template-columns:auto 1fr;align-items:start}.check input{width:18px;margin-top:3px}
.tarif-card{display:flex;align-items:center;gap:16px}.tarif-card .plane{font-size:1.5rem;color:var(--teal)}.tarif-card h3{margin:0}.tarif-card p{margin:.35rem 0 0;color:var(--muted)}.badge{margin-left:auto;background:#eef3f5;color:#66757d;padding:7px 10px;border-radius:999px;font-size:.78rem;font-weight:800}
.success-card{background:white;border:1px solid var(--line);border-radius:24px;padding:42px;text-align:center;box-shadow:var(--shadow)}.success-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#e2f8f5;color:#087c74;font-size:2rem;font-weight:900}
.legal{line-height:1.7}.footer{background:#0d2028;color:#dbe6e9;text-align:center;padding:28px 20px;font-size:.84rem;line-height:1.7}.footer-links a{color:#8fe2e8}
@media (max-width:820px){
 .topbar nav{display:none}.cards.three,.cards.two,.grid.two{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.hero{min-height:46vh}
}
@media (max-width:600px){
 .login-page{background-image:url('../img/couverture-mobile.png');background-position:center top}
 .login-overlay{background:linear-gradient(180deg,rgba(4,18,25,.25),rgba(4,18,25,.76))}
 .login-shell{align-items:flex-end;padding:18px}.login-card{padding:26px 22px;border-radius:22px}.login-logo{width:230px}
 .hero{background:linear-gradient(180deg,rgba(4,20,27,.15),rgba(4,20,27,.72)),url('../img/couverture-mobile.png') center 25%/cover no-repeat}
 .hero h1{font-size:2.6rem}
}
.text-link{color:var(--teal2);text-decoration:underline;text-underline-offset:2px}.login-legal{font-size:.78rem;text-align:center;color:#71828b;margin:14px 0 0}.login-legal a:hover{color:var(--teal2)}code{background:#eef3f5;padding:2px 6px;border-radius:6px}
@media (max-width:820px){.topbar{align-items:flex-start;gap:8px;flex-direction:column}.topbar nav{display:flex;width:100%;gap:14px;overflow-x:auto;white-space:nowrap;padding:6px 0 4px;-webkit-overflow-scrolling:touch}.brand img{height:42px}}