:root{--blue:#0a84ff;--sky:#2aa0ff;--navy:#07111c;--ink:#0b1623;--mute:#566372;--line:#e3e9f0;--card:#f5f8fb;
--head:"Montserrat","Arial",sans-serif;--body:"Inter","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font:400 1rem/1.6 var(--body);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.i{width:1.3rem;height:1.3rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.i.big{width:2.1rem;height:2.1rem;color:var(--blue)}

/* En-tête */
.top{position:sticky;top:0;z-index:20;background:#000;color:#fff}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:112px}
.logo-link{flex:none;display:block}
.logo-link img{height:96px;width:auto;display:block}
nav{display:flex;gap:2rem;margin-left:auto;font:600 .95rem var(--head)}
nav a{padding:.4rem 0;border-bottom:3px solid transparent}
nav a:hover,nav a.on{color:var(--sky);border-color:var(--sky)}
.pill{display:inline-flex;align-items:center;gap:.6rem;background:var(--blue);color:#fff;font:600 .98rem var(--head);padding:.85rem 1.5rem;border-radius:99px}
.pill:hover,.btn:hover{background:#1c92ff}

/* Accueil */
.hero{position:relative;background:#000;color:#fff;padding:3.5rem 0 4rem;overflow:hidden}
.hero::after{content:"";position:absolute;top:0;right:0;bottom:0;width:64%;background:linear-gradient(90deg,#000 0%,rgba(0,0,0,.85) 22%,rgba(0,0,0,0) 62%),url(hero.jpg) center/cover no-repeat}
.hero .wrap{position:relative;z-index:2}
.eyebrow{font:600 .8rem var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin:0 0 .8rem}
.eyebrow.light{color:#fff}
h1{margin:0 0 1rem;font:800 clamp(2.8rem,8vw,5rem)/1 var(--head)}
h1 span{display:block}
h1 em{display:block;font-style:normal;color:var(--blue);letter-spacing:.32em;font-size:.82em;margin-top:.1em}
.tagline{font:600 clamp(1.2rem,2.6vw,1.7rem)/1.3 var(--head);max-width:30rem;margin:0 0 2rem}
.points{list-style:none;margin:0 0 2.2rem;padding:0;display:flex;gap:1.8rem;flex-wrap:wrap}
.points li{display:flex;gap:.7rem;align-items:center;max-width:10.5rem;font-size:.95rem;line-height:1.35}
.points .i{width:2.2rem;height:2.2rem;color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:.7rem;background:var(--blue);color:#fff;font:600 1.1rem var(--head);padding:1rem 2.2rem;border-radius:99px}

/* Sections */
section{padding:3.5rem 0}
.split{display:grid;grid-template-columns:1fr 1.5fr;gap:3rem;align-items:center}
h2{font:700 clamp(1.6rem,3.2vw,2.1rem)/1.2 var(--head);margin:0 0 .9rem}
.rule{display:block;width:44px;height:3px;background:var(--blue);margin:0 0 1.2rem}
.muted{color:var(--mute);margin:0;max-width:30rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.cards article{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.6rem 1.1rem;text-align:center}
.cards h3{font:700 1rem/1.3 var(--head);margin:.8rem 0 .5rem}
.cards p{margin:0;color:var(--mute);font-size:.9rem}

.why{position:relative;background:linear-gradient(120deg,#07111c,#0e2a45);color:#fff;overflow:hidden}
.why::after{content:"";position:absolute;top:0;right:0;bottom:0;width:62%;background:linear-gradient(90deg,#0a1a2b 0%,rgba(10,26,43,0) 55%),url(montagnes.jpg) center/cover no-repeat;opacity:.8}
.why .wrap{position:relative;z-index:2}
.four{list-style:none;margin:2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.four li{display:flex;gap:.9rem;align-items:flex-start}
.four h3{font:700 1.05rem var(--head);margin:0 0 .3rem}
.four p{margin:0;color:#c3d0dd;font-size:.92rem;line-height:1.45}

.coords{display:grid;gap:1rem;justify-items:start}
.coords>a:not(.btn),.coords p{display:flex;align-items:center;gap:1rem;margin:0;font:500 1.15rem var(--body)}
.coords .btn{margin-top:.6rem}

footer{background:#000;color:#8fa0b1;padding:1.6rem 0;font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

@media(max-width:960px){
  .split{grid-template-columns:1fr}
  .four{grid-template-columns:1fr 1fr}
  nav{display:none}
  .pill{margin-left:auto}
}
@media(max-width:640px){
  .logo-link img{height:60px}
  .bar{min-height:80px}
  .pill{padding:.7rem 1.1rem;font-size:.9rem}
  .cards,.four{grid-template-columns:1fr}
  .hero::after{width:100%;opacity:.4;background:url(hero.jpg) center/cover no-repeat}
  .why::after{width:100%;opacity:.35;background:url(montagnes.jpg) center/cover no-repeat}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}