:root{
  --bg:#0e1220; --bg2:#151b30; --card:#1b2340; --line:#2a3560;
  --text:#eef1fb; --muted:#a3acc9;
  --blue:#3da5ff; --red:#ff4d5e; --gold:#ffc83d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--blue)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

header.nav{position:sticky;top:0;z-index:10;background:rgba(14,18,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.brand{font-weight:900;font-size:1.25rem;text-decoration:none;color:var(--text);letter-spacing:.5px}
.brand span{color:var(--gold)}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-weight:600}
nav a:hover,nav a.on{color:var(--text)}

.hero{padding:72px 0 56px;text-align:center;background:
  radial-gradient(600px 300px at 20% 0%,rgba(61,165,255,.22),transparent),
  radial-gradient(600px 300px at 80% 0%,rgba(255,77,94,.20),transparent)}
.hero h1{font-size:clamp(2.4rem,7vw,4.2rem);margin:0 0 8px;font-weight:900;line-height:1.05}
.hero h1 .v{color:var(--gold)}
.hero p.tag{max-width:640px;margin:14px auto 28px;color:var(--muted);font-size:1.15rem}

.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:800;text-decoration:none;border:2px solid transparent;cursor:pointer;font-size:1rem}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{filter:brightness(1.1)}
.btn.ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn.ghost:hover{border-color:var(--blue)}
.btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

section{padding:48px 0}
section h2{font-size:1.8rem;margin:0 0 6px}
section .sub{color:var(--muted);margin:0 0 26px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.ico{font-size:1.8rem;margin-bottom:6px}

.two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:720px){.two{grid-template-columns:1fr}nav a{margin-left:12px}}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{padding:8px 0;border-bottom:1px solid var(--line)}
ul.clean li:last-child{border:0}

kbd{background:#0b0f1d;border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;padding:1px 8px;font-size:.88em}
.controls{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.controls div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.controls small{display:block;color:var(--muted)}

.band{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* guides */
.tools{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.tools input{flex:1;min-width:220px;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--text);font-size:1rem}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-weight:600}
.chip.on{background:var(--blue);color:#06101f;border-color:var(--blue)}
.guide{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.guide summary{cursor:pointer;padding:16px 18px;list-style:none;display:flex;gap:12px;align-items:center;justify-content:space-between}
.guide summary::-webkit-details-marker{display:none}
.guide summary strong{font-size:1.08rem}
.guide summary small{display:block;color:var(--muted);font-weight:400}
.badge{font-size:.75rem;font-weight:800;padding:3px 10px;border-radius:999px;white-space:nowrap}
.Débutant{background:rgba(80,220,140,.18);color:#6be3a0}
.Intermédiaire{background:rgba(255,200,61,.18);color:var(--gold)}
.Avancé{background:rgba(255,77,94,.18);color:#ff8e99}
.guide .content{padding:0 18px 16px;color:#d6dbef}
.guide .content ul{padding-left:20px}
.empty{color:var(--muted);text-align:center;padding:30px}

footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);text-align:center;font-size:.9rem}

.muted{color:var(--muted)}
.badge.price{background:rgba(255,200,61,.15);color:var(--gold);margin-left:6px;vertical-align:middle}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin-bottom:16px}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
th{background:var(--card);color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}
tr:last-child td{border-bottom:0}
td:nth-child(2),td:nth-child(3),td:nth-child(4){white-space:nowrap}

.hero{background:linear-gradient(rgba(14,18,32,.3),var(--bg) 98%),var(--hero,none) center/cover,var(--bg)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.gallery img,.mapimg{width:100%;display:block;border-radius:10px;border:1px solid var(--line)}
.gallery img{cursor:zoom-in;transition:transform .15s}
.gallery img:hover{transform:scale(1.02)}
.mapimg{margin-bottom:10px;image-rendering:auto}
.lightbox{position:fixed;inset:0;background:rgba(5,8,16,.92);display:none;align-items:center;justify-content:center;z-index:50;cursor:zoom-out;padding:20px}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:10px}

.langbtn{margin-left:18px;padding:5px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--text);font-weight:800;cursor:pointer}
.langbtn:hover{border-color:var(--blue)}
.Beginner{background:rgba(80,220,140,.18);color:#6be3a0}
.Intermediate{background:rgba(255,200,61,.18);color:var(--gold)}
.Advanced{background:rgba(255,77,94,.18);color:#ff8e99}
header.nav .wrap{flex-wrap:nowrap}
nav{display:flex;align-items:center;flex-wrap:wrap}