/* Horizon Alpes Services — site vitrine */
:root{
  --navy:#0E2A47; --navy-2:#13355A; --accent:#2A5F8F; --ink:#172331; --text:#3C4B5A;
  --muted:#5B6B7B; --line:#D5DCE3; --pale:#F3F6F9; --sky:#9EC0E0; --white:#FFFFFF;
  --serif:'Lora',Georgia,'Times New Roman',serif;
  --sans:'Poppins','Century Gothic','Futura',system-ui,sans-serif;
  --wrap:1160px; --r:2px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--navy)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.on-dark .eyebrow{color:var(--sky)}
h1,h2,h3{margin:0;color:var(--navy)}
h1,h2{font-family:var(--serif);font-weight:600;line-height:1.12;text-wrap:balance}
h1{font-size:clamp(34px,5vw,56px)}
h2{font-size:clamp(28px,3.4vw,40px)}
h3{font-size:18px;font-weight:600;line-height:1.3}
p{margin:0;color:var(--text);text-wrap:pretty}
.lead{font-size:18px;color:var(--text);max-width:680px;margin-top:14px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;color:var(--navy)}
.logo svg{flex:none}
.logo b{display:block;font-weight:600;font-size:15px;letter-spacing:.2em;line-height:1}
.logo small{display:block;font-weight:500;font-size:9px;letter-spacing:.62em;color:var(--muted);margin-top:5px;line-height:1}
.menu{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.menu a{color:var(--ink);font-size:14.5px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.menu a:hover,.menu a[aria-current="page"]{color:var(--navy);border-bottom-color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--sans);font-weight:600;font-size:15px;padding:14px 26px;border-radius:var(--r);border:1.5px solid var(--navy);cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff}
.menu .btn{padding:11px 20px;font-size:14px;border-bottom-width:1.5px}
.menu .btn,.menu .btn:hover{color:#fff}
.menu .btn:hover{border-bottom-color:var(--accent)}
.menu a.btn[aria-current="page"]{color:#fff;border-bottom-color:var(--navy)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--navy)}

/* hero */
.hero{position:relative;background:var(--navy)}
.hero-img{width:100%;height:clamp(420px,62vh,640px);object-fit:cover;object-position:center 40%;opacity:.95}
.hero-card{position:absolute;left:max(24px,calc((100vw - var(--wrap))/2 + 24px));bottom:-60px;width:min(620px,calc(100% - 48px));background:var(--navy);color:#fff;padding:44px 44px 40px}
.hero-card h1{color:#fff;font-size:clamp(32px,4.4vw,50px)}
.hero-card .rule{width:44px;height:2px;background:rgba(255,255,255,.55);margin:24px 0 18px}
.hero-card p{color:#DCE6F0;font-size:17px}
.hero-card .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* sections */
section{padding:96px 0}
.section-tight{padding:72px 0}
.bg-pale{background:var(--pale)}
.on-dark{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.on-dark h2,.on-dark h3{color:#fff}
.on-dark p{color:#C9D8E8}
.waves{position:absolute;inset:0;pointer-events:none;opacity:.10}
.head{max-width:760px;margin-bottom:48px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:0}
.stat{padding:30px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:44px;font-weight:600;line-height:1;color:var(--navy)}
.stat span{display:block;margin-top:10px;font-size:14.5px;color:var(--text);line-height:1.4}

/* two columns */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.split img{width:100%;height:100%;max-height:520px;object-fit:cover}

/* values */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.value svg{color:var(--accent);margin-bottom:14px}
.value h3{margin-bottom:6px;font-size:17px}
.value p{font-size:15px}

/* metiers cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{display:flex;flex-direction:column}
.card .visual{height:200px;position:relative;overflow:hidden;background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:22px 24px}
.card .visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card .visual .tag{position:relative;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--sky)}
.card .visual svg.ic{position:relative;color:#fff}
.card h3{margin:20px 0 8px}
.card p{font-size:15px}

/* partners chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{border:1px solid var(--line);padding:8px 16px;font-size:14px;font-weight:500;color:var(--navy);background:#fff}

/* moyens */
.boxes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.box{display:flex;gap:18px;border:1px solid var(--line);background:#fff;padding:24px}
.box svg{flex:none;color:var(--accent);margin-top:2px}
.box h3{font-size:17px;margin-bottom:4px}
.box p{font-size:15px}

/* timeline */
.year{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.season{border-top:2px solid var(--navy);padding-top:16px}
.season .when{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.season h3{margin:6px 0 6px;font-size:17px}
.season p{font-size:15px}

/* zones */
.zones{display:grid;grid-template-columns:1fr 1.4fr 1.4fr;gap:0}
.zone{padding:26px 28px;border-top:2px solid var(--navy)}
.zone.base{background:var(--navy);color:#fff}
.zone .when{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.zone.base .when{color:var(--sky)}
.zone strong{display:block;font-family:var(--serif);font-size:24px;font-weight:600;margin:6px 0 2px;color:inherit}
.zone p{font-size:16px;color:var(--ink)}
.zone.base p{color:#C9D8E8}

/* references */
.refs{font-family:var(--serif);font-size:clamp(20px,2.4vw,28px);color:var(--navy);line-height:1.6}
.refs .nw{white-space:nowrap}
.values-2 .values{grid-template-columns:repeat(2,1fr);gap:28px 32px}
.refs span.sep{color:var(--line);margin:0 .5em}

/* CTA band */
.cta{padding:80px 0}
.cta .inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative}
.steps{display:flex;gap:14px 28px;flex-wrap:wrap;margin-top:22px;font-size:15px;color:#DCE6F0}
.steps b{color:var(--sky);margin-right:6px}

/* page header */
.page-head{padding:72px 0 56px;border-bottom:1px solid var(--line)}

/* form */
.form-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:56px;align-items:start}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:20px}
.field label,.fieldset legend{font-size:14px;font-weight:600;color:var(--navy)}
.field .hint{font-size:13px;color:var(--muted);font-weight:400}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{font-family:var(--sans);font-size:15.5px;color:var(--ink);padding:13px 14px;border:1px solid #B9C4CF;border-radius:var(--r);background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
textarea{min-height:140px;resize:vertical}
.fieldset{border:0;padding:0;margin:0 0 22px}
.fieldset legend{margin-bottom:10px;padding:0}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.check{display:flex;align-items:center;gap:10px;border:1px solid var(--line);padding:12px 14px;font-size:15px;cursor:pointer;background:#fff}
.check input{width:18px;height:18px;accent-color:var(--navy)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text);margin:6px 0 24px}
.consent input{margin-top:3px;width:18px;height:18px;accent-color:var(--navy)}
.hidden{position:absolute;left:-9999px}
.aside{background:var(--navy);color:#fff;padding:36px 32px;position:sticky;top:100px}
.aside h3{color:#fff;font-family:var(--serif);font-size:24px;margin-bottom:14px}
.aside p{color:#C9D8E8;font-size:15px}
.aside ol{margin:18px 0 26px;padding:0;list-style:none;counter-reset:s}
.aside li{counter-increment:s;padding:10px 0;border-top:1px solid rgba(255,255,255,.15);font-size:15px;color:#DCE6F0}
.aside li::before{content:"0" counter(s) " · ";color:var(--sky);font-weight:600}
.aside a{color:#fff;font-weight:600}
.contact-line{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:15px}
.contact-line svg{color:var(--sky);flex:none}

/* contact page */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{border:1px solid var(--line);padding:30px 28px}
.contact-card svg{color:var(--accent);margin-bottom:16px}
.contact-card h3{margin-bottom:6px}
.contact-card a.big{font-size:18px;font-weight:600;color:var(--navy);word-break:break-word}

/* footer */
.site-footer{background:#0A2038;color:#AFC2D6;padding:56px 0 28px;font-size:14px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.18em;text-transform:uppercase;margin:0 0 14px;font-weight:600}
.site-footer a{color:#DCE6F0}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer .logo{color:#fff}
.site-footer .logo small{color:#AFC2D6}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}

/* prose (mentions) */
.prose{max-width:760px}
.prose h2{font-size:24px;margin:36px 0 10px}
.prose p{margin-bottom:10px}

/* responsive */
@media (max-width:980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .values,.year{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .split,.form-grid{grid-template-columns:1fr;gap:40px}
  .zones{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .aside{position:static}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .menu li a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  .menu li .btn{margin-top:14px;display:flex}
}
@media (max-width:640px){
  section{padding:64px 0}
  .hero-card{position:relative;left:auto;bottom:auto;width:100%;padding:32px 24px}
  .hero-img{height:300px}
  .stats{margin-top:0;border-top:0}
  .cards,.values,.year,.boxes,.checks,form .row{grid-template-columns:1fr}
  .stats{column-gap:20px}
  .stat{padding:22px 0;border-left:0}
  .stat b{font-size:38px}
  .site-footer .cols{grid-template-columns:1fr}
  .steps{gap:12px;flex-direction:column}
}

/* ===== v2 : composants « waouh » ===== */
.hero2{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:84px 0 110px}
.hero2 .grid{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;position:relative}
.hero2 h1{color:#fff;font-size:clamp(38px,5.2vw,64px);line-height:1.06}
.hero2 .eyebrow{color:var(--sky)}
.hero2 p.sub{color:#D3E0EE;font-size:18.5px;margin-top:22px;max-width:540px}
.hero2 .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero2 .trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:38px;font-size:14px;color:#C9D8E8}
.hero2 .trust span{display:flex;align-items:center;gap:8px}
.hero2 .trust svg{color:var(--sky)}
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;position:relative}
.mosaic figure{margin:0;overflow:hidden;aspect-ratio:310/568;background:#0A2038}
.mosaic figure:nth-child(2){transform:translateY(42px)}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.mosaic figure:hover img{transform:scale(1.06)}
.float-badge{position:absolute;left:-28px;bottom:-34px;background:#fff;color:var(--navy);padding:18px 22px;box-shadow:0 18px 40px rgba(5,20,40,.35);display:flex;align-items:center;gap:14px;max-width:290px}
.float-badge b{font-size:36px;font-weight:700;line-height:1}
.float-badge span{font-size:13.5px;line-height:1.35;color:var(--text)}

.marquee{background:#0A2038;color:#DCE6F0;overflow:hidden;padding:18px 0;border-top:1px solid rgba(255,255,255,.08)}
.marquee .track{display:flex;gap:56px;width:max-content;animation:marq 38s linear infinite;font-family:var(--serif);font-size:22px;white-space:nowrap}
.marquee .track span.dot{color:var(--sky)}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.mcards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.mcard{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.mcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(14,42,71,.12)}
.mcard .ph{aspect-ratio:4/3;overflow:hidden;position:relative}
.mcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.mcard:hover .ph img{transform:scale(1.06)}
.mcard .ph .num{position:absolute;left:16px;top:14px;background:var(--navy);color:#fff;font-size:12px;font-weight:600;letter-spacing:.14em;padding:6px 10px}
.mcard .bd{padding:22px 24px 26px}
.mcard .tag{font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.mcard h3{margin:8px 0 8px;font-size:19px}
.mcard p{font-size:15px}

.zig{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.zig:last-child{border-bottom:0}
.zig.rev .zig-img{order:2}
.zig-img{position:relative;overflow:hidden;max-height:460px}
.zig-img img{width:100%;height:100%;max-height:460px;object-fit:cover}
.zig .n{font-family:var(--serif);font-size:15px;color:var(--accent);font-weight:600}
.zig h2{font-size:clamp(26px,3vw,36px);margin:6px 0 14px}
.zig ul{list-style:none;padding:0;margin:20px 0 0}
.zig li{display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:15.5px;color:var(--text)}
.zig li svg{flex:none;color:var(--accent);margin-top:3px}
.bandeau{width:100%;max-width:1584px;margin:0 auto;display:block;height:auto}

.gallery{columns:3 300px;column-gap:16px}
.gallery button{all:unset;display:block;width:100%;box-sizing:border-box;margin:0 0 16px;cursor:zoom-in;break-inside:avoid;position:relative;overflow:hidden}
.gallery img{width:100%;display:block;transition:transform .7s cubic-bezier(.2,.7,.2,1),filter .3s}
.gallery button:hover img{transform:scale(1.04);filter:brightness(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 16px 12px;background:linear-gradient(transparent,rgba(10,32,56,.82));color:#fff;font-size:13.5px;font-weight:500;opacity:0;transition:opacity .3s}
.gallery button:hover figcaption,.gallery button:focus-visible figcaption{opacity:1}
.lightbox{position:fixed;inset:0;background:rgba(6,18,33,.92);display:none;align-items:center;justify-content:center;z-index:100;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1100px,100%);max-height:86vh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox p{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#DCE6F0;font-size:14px}
.lightbox button{position:absolute;top:18px;right:22px;background:none;border:0;color:#fff;font-size:34px;cursor:pointer;line-height:1}

.faq{max-width:860px}
.faq details{border-top:1px solid var(--line);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-weight:600;font-size:17px;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:26px;font-weight:400;color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;max-width:760px}

.fab{display:none}
@media (max-width:860px){
  .fab{display:flex;position:fixed;right:16px;bottom:16px;z-index:60;background:var(--navy);color:#fff;padding:14px 20px;font-weight:600;font-size:15px;box-shadow:0 10px 28px rgba(5,20,40,.35);gap:8px;align-items:center}
  .fab:hover{color:#fff}
}

html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js .reveal{opacity:1;transform:none;transition:none}
  .marquee .track{animation:none}
  *{scroll-behavior:auto}
}

@media (max-width:980px){
  .hero2 .grid{grid-template-columns:1fr;gap:48px}
  .mcards{grid-template-columns:repeat(2,1fr)}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig.rev .zig-img{order:0}
  .float-badge{left:12px}
}
@media (max-width:640px){
  .hero2{padding:52px 0 80px}
  .mcards{grid-template-columns:1fr}
  .mosaic{gap:8px}
  .mosaic figure:nth-child(2){transform:translateY(22px)}
  .float-badge{left:8px;bottom:-40px;padding:12px 14px;max-width:240px}
  .float-badge b{font-size:28px}
  .marquee .track{font-size:18px;gap:36px}
}
.quick{position:relative;background:#fff;color:var(--ink);padding:34px 32px 30px;box-shadow:0 24px 60px rgba(3,14,28,.35)}
.quick h2{color:var(--navy);font-size:30px;margin-bottom:18px}
.quick .eyebrow{color:var(--accent)}
.qk-list{display:flex;flex-direction:column;gap:10px}
.qk{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--line);padding:15px 18px;color:var(--navy);transition:border-color .2s,background .2s,transform .2s}
.qk b{display:block;font-size:16px;font-weight:600}
.qk small{display:block;font-size:13.5px;color:var(--muted);margin-top:2px}
.qk svg{color:var(--accent);flex:none;transition:transform .2s}
.qk:hover{border-color:var(--navy);background:var(--pale);color:var(--navy)}
.qk:hover svg{transform:translateX(4px)}
.hero2 .waves{opacity:.08}
@media (max-width:640px){.quick{padding:26px 20px}.quick h2{font-size:26px}}