/* ==========  OASIS Alliance — feuille de style commune  ========== */
:root{
  --navy:#12385f;
  --navy-deep:#0d2942;
  --blue:#2E75B6;
  --gold:#C9A227;
  --gold-soft:#e2cf8a;
  --ink:#1c2733;
  --grey:#5f6b76;
  --line:#e3e8ee;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --bg-navy:#12385f;
  --serif:"Georgia","Times New Roman",serif;
  --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --wrap:1180px;
  --r:14px;
  --shadow:0 10px 30px rgba(18,56,95,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.2;font-weight:700}
.serif{font-family:var(--serif)}
.gold{color:var(--gold)}

/* ---------- lang switch ---------- */
[data-lang=fr] .en{display:none}
[data-lang=en] .fr{display:none}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto}
.brand b{font-family:var(--serif);color:var(--navy);font-size:20px;letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;color:var(--navy);font-weight:600;position:relative;padding:4px 0}
.nav a:hover{color:var(--blue)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .25s}
.nav a:hover::after{width:100%}
.langbtn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;color:var(--navy);cursor:pointer;letter-spacing:.5px}
.langbtn:hover{border-color:var(--gold)}
.burger{display:none;background:none;border:0;cursor:pointer;width:34px;height:34px}
.burger span{display:block;height:2px;background:var(--navy);margin:6px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--navy-deep),var(--navy) 60%,#164a7a);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 500px at 85% -10%,rgba(201,162,39,.20),transparent 60%),
  radial-gradient(700px 500px at -10% 110%,rgba(46,117,182,.35),transparent 60%)}
.hero .wrap{position:relative;padding:96px 24px 104px}
.hero .kicker{display:inline-block;font-size:13px;letter-spacing:2.5px;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:22px}
.hero h1{color:#fff;font-size:52px;max-width:15ch;margin-bottom:24px}
.hero p.lead{font-size:20px;color:#d7e2ef;max-width:46ch;margin-bottom:16px}
.hero p.sub{font-size:16px;color:#9fb4ca;max-width:52ch;margin-bottom:36px}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--gold);color:#3a2f06;font-weight:700;padding:15px 28px;border-radius:999px;font-size:16px;transition:transform .2s,box-shadow .2s}
.cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(201,162,39,.35)}
.cta.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);margin-left:12px}
.cta.ghost:hover{border-color:var(--gold);color:var(--gold);box-shadow:none}
.hero-badges{display:flex;gap:34px;margin-top:56px;flex-wrap:wrap}
.hero-badges div{border-left:2px solid var(--gold)}
.hero-badges b{display:block;font-family:var(--serif);font-size:30px;color:#fff;padding-left:14px;line-height:1.1}
.hero-badges span{display:block;font-size:13px;color:#9fb4ca;padding-left:14px;margin-top:2px}

/* ---------- sections ---------- */
section{padding:84px 0}
.section-soft{background:var(--bg-soft)}
.eyebrow{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:14px}
.section-head{max-width:60ch;margin-bottom:52px}
.section-head h2{font-size:36px;margin-bottom:16px}
.section-head p{color:var(--grey);font-size:18px}

/* pitch */
.pitch{background:var(--bg-navy);color:#fff;text-align:center;padding:78px 0}
.pitch h2{color:#fff;font-size:34px;max-width:24ch;margin:0 auto 18px}
.pitch p{color:#c4d3e4;max-width:60ch;margin:0 auto;font-size:18px}
.pitch .quote{font-family:var(--serif);font-style:italic;font-size:27px;color:var(--gold);max-width:30ch;margin:0 auto 26px;line-height:1.35}

/* cards */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3ddea}
.card .ico{width:52px;height:52px;border-radius:12px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ico svg{width:28px;height:28px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--grey);font-size:15.5px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{position:relative;padding-top:20px}
.step::before{counter-increment:s;content:counter(s);font-family:var(--serif);font-size:44px;color:var(--gold);opacity:.5;line-height:1;display:block;margin-bottom:12px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--grey);font-size:15px}

/* approach band */
.approach{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.approach ul{list-style:none;margin-top:24px}
.approach li{position:relative;padding:12px 0 12px 34px;border-bottom:1px solid var(--line);font-size:16px}
.approach li::before{content:"";position:absolute;left:0;top:19px;width:16px;height:16px;border:2px solid var(--gold);border-radius:50%}
.approach li b{color:var(--navy)}
.pilot-box{background:linear-gradient(155deg,var(--navy),#164a7a);color:#fff;border-radius:var(--r);padding:40px}
.pilot-box .eyebrow{color:var(--gold)}
.pilot-box h3{color:#fff;font-size:24px;margin-bottom:14px}
.pilot-box p{color:#cddcec;font-size:16px}

/* realisations preview */
.real{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.real a{display:block;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff;transition:transform .25s,box-shadow .25s}
.real a:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.real .ph{aspect-ratio:16/10;background:#12385f;background-size:cover;background-position:center;position:relative;color:#fff;display:flex;align-items:flex-end;padding:20px}
.real .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(13,41,66,.55),rgba(13,41,66,0) 55%)}
.real .ph span{position:relative;z-index:1}
.real .ph span{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;background:rgba(201,162,39,.9);color:#3a2f06;padding:4px 10px;border-radius:6px;font-weight:700}
.real .tx{padding:22px}
.real .tx h3{font-size:19px;margin-bottom:8px}
.real .tx p{color:var(--grey);font-size:15px}

/* group logos */
.group-logos{display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:10px}
.group-logos img{height:82px;width:auto;filter:saturate(1)}

/* cta band */
.cta-band{background:linear-gradient(155deg,var(--navy-deep),var(--navy));color:#fff;text-align:center;padding:76px 0}
.cta-band h2{color:#fff;font-size:34px;margin-bottom:16px}
.cta-band p{color:#c4d3e4;max-width:50ch;margin:0 auto 30px;font-size:18px}

/* footer */
.foot{background:var(--navy-deep);color:#a9bccf;padding:56px 0 28px;font-size:14.5px}
.foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot img{height:52px;margin-bottom:16px}
.foot h4{color:#fff;font-family:var(--sans);font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:16px}
.foot a{display:block;color:#a9bccf;padding:4px 0}
.foot a:hover{color:var(--gold)}
.foot .base{padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7d93a8;font-size:13px}
.foot .swiss{display:inline-flex;align-items:center;gap:8px}
.chflag{width:16px;height:16px;flex:0 0 auto}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--line);transform:translateY(-140%);transition:transform .3s;box-shadow:var(--shadow)}
  .nav.open{transform:none}
  .nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .grid-3,.grid-4,.steps,.real,.approach,.foot .cols{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .hero .wrap{padding:64px 24px 72px}
  .section-head h2{font-size:28px}
  .hero-badges{gap:22px}
}
@media(max-width:900px) and (min-width:560px){
  .grid-3,.grid-4,.real{grid-template-columns:1fr 1fr}
}

/* ============ pages internes ============ */
.page-hero{background:linear-gradient(160deg,var(--navy-deep),var(--navy) 70%,#164a7a);color:#fff;padding:70px 0 66px}
.page-hero .eyebrow{color:var(--gold)}
.page-hero h1{color:#fff;font-size:44px;max-width:20ch;margin-bottom:16px}
.page-hero p{color:#cddcec;font-size:19px;max-width:56ch}
.prose{max-width:70ch}
.prose p{margin-bottom:18px;color:var(--ink)}
.prose h3{margin:30px 0 12px;font-size:23px}
.lead-line{font-family:var(--serif);font-style:italic;font-size:23px;color:var(--navy);line-height:1.4;margin-bottom:8px}

/* domaines détaillés */
.dom{display:grid;grid-template-columns:1fr;gap:22px}
.dom .row{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.dom .row:hover{box-shadow:var(--shadow)}
.dom .ic{width:60px;height:60px;border-radius:14px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center}
.dom .ic svg{width:32px;height:32px}
.dom h3{font-size:22px;margin-bottom:8px}
.dom p{color:var(--grey);font-size:16px;margin-bottom:10px}
.dom .tags{display:flex;flex-wrap:wrap;gap:8px}
.dom .tags span{font-size:13px;background:var(--bg-soft);color:var(--navy);border:1px solid var(--line);padding:5px 12px;border-radius:999px}

/* work detail */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:34px}
.case .head{display:grid;grid-template-columns:1.1fr 1fr}
.case .photo{min-height:280px;background-size:cover;background-position:center;position:relative}
.case .photo .cap{position:absolute;left:16px;bottom:16px;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;background:rgba(201,162,39,.92);color:#3a2f06;padding:5px 12px;border-radius:6px;font-weight:700}
.case .body{padding:34px}
.case .body .eyebrow{color:var(--gold)}
.case .body h3{font-size:26px;margin-bottom:14px}
.case .body p{color:var(--grey);margin-bottom:14px}
.case .body ul{list-style:none}
.case .body li{position:relative;padding:7px 0 7px 26px;font-size:15.5px}
.case .body li::before{content:"";position:absolute;left:0;top:15px;width:9px;height:9px;background:var(--gold);border-radius:2px;transform:rotate(45deg)}
.disclaimer{background:var(--bg-soft);border-left:3px solid var(--gold);padding:16px 20px;font-size:14.5px;color:var(--grey);border-radius:8px;margin-top:14px}

/* group companies */
.company{display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;margin-bottom:24px}
.company .logo{display:flex;align-items:center;justify-content:center;padding:14px;border-radius:12px;background:#fff}
.company .logo.paw{background:#94e3fe}
.company .logo img{max-height:120px;width:auto}
.company h3{font-size:23px;margin-bottom:4px}
.company .role{color:var(--gold);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px}
.company p{color:var(--grey);font-size:16px}

/* about / people */
.person{display:grid;grid-template-columns:150px 1fr;gap:32px;align-items:start;margin-bottom:20px}
.person .avatar{width:150px;height:150px;border-radius:16px;background:linear-gradient(150deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);font-size:48px}
.person h3{font-size:24px;margin-bottom:2px}
.person .title{color:var(--gold);font-weight:700;font-size:14px;letter-spacing:.5px;margin-bottom:14px}
.person p{color:var(--grey);margin-bottom:12px}
.person .mini{display:flex;gap:22px;flex-wrap:wrap;margin-top:8px}
.person .mini b{display:block;font-family:var(--serif);color:var(--navy);font-size:20px}
.person .mini span{font-size:13px;color:var(--grey)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:10px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px}
.contact-card h3{font-size:19px;margin-bottom:16px}
.contact-card a,.contact-card p{display:block;color:var(--ink);padding:6px 0;font-size:16px}
.contact-card a:hover{color:var(--blue)}
.consul-note{background:var(--bg-soft);border-radius:var(--r);padding:26px 30px;margin-top:26px;display:flex;gap:16px;align-items:flex-start}
.consul-note svg{width:34px;height:34px;flex:0 0 auto}
.consul-note p{color:var(--grey);font-size:15.5px;margin:0}

@media(max-width:900px){
  .case .head{grid-template-columns:1fr}
  .company,.person{grid-template-columns:1fr}
  .company .logo img{max-height:90px}
  .person .avatar{width:110px;height:110px;font-size:38px}
  .contact-grid{grid-template-columns:1fr}
  .dom .row{grid-template-columns:1fr}
  .page-hero h1{font-size:32px}
}

/* ============ correctifs v2 ============ */
/* centrage des blocs prose hors cadre */
.prose{margin-left:auto;margin-right:auto}
section > .wrap > .prose{max-width:72ch}

/* footer : logo plein format + texte à côté */
.foot-brand{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}
.foot-brand img{height:88px;margin:0}
.foot-brand p{margin:0}
@media(max-width:900px){.foot-brand{grid-template-columns:1fr;text-align:left}.foot-brand img{height:72px}}

/* avatars photo */
.person .avatar img{width:100%;height:100%;object-fit:cover;border-radius:16px}

/* blason suisse consul-note */
.consul-note .coat{width:46px;height:auto;flex:0 0 auto}

/* cartouche Pure Air Water */
.company .logo.paw{background:linear-gradient(150deg,#1f6f9c,#4bb0d8);width:100%;height:100%;min-height:120px}
.paw-badge{color:#fff;text-align:center;padding:18px}
.paw-badge b{display:block;font-family:var(--serif);font-size:22px;line-height:1.1}
.paw-badge span{display:block;font-size:11px;letter-spacing:2px;margin-top:6px;color:#d6ecf6}

/* chip Pure Air Water dans la bande logos accueil */
.paw-chip{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;height:82px;padding:0 26px;border-radius:12px;background:linear-gradient(150deg,#1f6f9c,#4bb0d8);color:#fff;text-align:center}
.paw-chip b{font-family:var(--serif);font-size:19px;line-height:1.1}
.paw-chip span{font-size:10.5px;letter-spacing:2px;margin-top:4px;color:#dff0f8}

/* ============ hero v2 : deux colonnes + domaines ============ */
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center;padding-bottom:20px}
.hero .hero-grid{padding-top:0}
.hero-main .cta{margin-top:6px}
.hero-domains{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:26px 26px 10px}
.hd-title{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:16px}
.hd-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.1)}
.hd-item:first-of-type{border-top:0}
.hd-item svg{width:30px;height:30px}
.hd-item b{display:block;color:#fff;font-size:16px;font-family:var(--serif)}
.hd-item span{display:block;color:#a8bdd3;font-size:13px;margin-top:1px}
.hero .hero-badges{margin-top:30px}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-domains{padding:20px 20px 6px}
}

/* footer logo encore plus grand */
.foot-brand img{height:104px}
@media(max-width:900px){.foot-brand img{height:80px}}

/* carte logo PAW : fond assorti au logo (bleu ciel) au lieu du dégradé */
.company .logo.paw{background:#94e3fe}
.company .logo.paw img{max-height:150px;border-radius:8px}
.group-logos img[alt="Pure Air Water Ltd"]{background:#94e3fe;border-radius:10px;padding:6px}

/* ============ finition v3 ============ */
/* cartes société : logo plus présent, moins de vide, séparateur */
.company{grid-template-columns:200px 1fr;gap:36px;padding:34px 38px}
.company .logo{border:1px solid var(--line);min-height:150px}
.company > div:last-child{align-self:center}
.company h3{font-size:24px}
.company p{max-width:62ch}

/* uniformiser le fond des logos société en blanc ; PAW garde un fond doux mais encadré */
.company .logo{background:#fff}
.company .logo.paw{background:#eaf6fd}
.company .logo img{max-height:120px}
.company .logo.paw img{max-height:150px}

/* about : portraits plus grands et mieux ancrés */
.person{grid-template-columns:190px 1fr;gap:40px;align-items:start}
.person .avatar{width:190px;height:190px;border-radius:18px;box-shadow:var(--shadow)}
.person .avatar img{border-radius:18px}
.person h3{font-size:26px}
.person p{max-width:66ch}

/* domaines : lignes plus denses, icône ancrée, moins de vide */
.dom .row{grid-template-columns:72px 1fr;gap:28px;padding:30px 34px;align-items:start}
.dom .ic{width:64px;height:64px}
.dom .row h3{margin-bottom:6px}
.dom p{max-width:78ch;margin-bottom:12px}

/* group-logos accueil : hauteur homogène, PAW encadré */
.group-logos{gap:48px}
.group-logos img{height:76px;object-fit:contain}
.group-logos img[alt="Pure Air Water Ltd"]{height:88px;background:#eaf6fd;border:1px solid var(--line);border-radius:12px;padding:6px}

/* cartes : ombre douce constante pour un rendu plus fini */
.card{box-shadow:0 1px 2px rgba(18,56,95,.04)}

/* sections : un peu moins hautes pour réduire le vide */
section{padding:72px 0}

/* fix mobile group/about : colonnes fixes -> pleine largeur */
@media(max-width:900px){
  .company{grid-template-columns:1fr;gap:20px;padding:24px}
  .company .logo{min-height:auto;padding:18px}
  .person{grid-template-columns:1fr;gap:20px}
  .person .avatar{width:150px;height:150px}
  .dom .row{grid-template-columns:1fr;gap:16px}
}