/* The Vault Sàrl — feuille de style du site statique
   Palette : fond nuit / violet / or (reprise du site précédent) */

:root{
  --bg:#050611;
  --bg2:#0b0717;
  --panel:#100a20;
  --panel2:#17102b;
  --violet:#5d1d86;
  --violet2:#8d36b2;
  --gold:#bf7a58;
  --gold2:#dc956c;
  --text:#efe9da;
  --text2:#d7d0dc;
  --muted:#b8afc5;
  --line:rgba(191,122,88,.34);
  --line-soft:rgba(191,122,88,.18);
  --vline:rgba(141,54,178,.32);
  --serif:Georgia,'Times New Roman',serif;
  --sans:Arial,Helvetica,sans-serif;
  --wrap:1180px;
  --header-h:104px;
}

*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{
  margin:0;
  background:radial-gradient(900px 560px at 16% 9%,rgba(83,24,111,.28),transparent 60%),
             linear-gradient(180deg,var(--bg),var(--bg2) 52%,#05050c);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  position:relative;
  min-height:100vh;
  overflow-x:hidden;
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,black,transparent 80%);
  -webkit-mask-image:linear-gradient(to bottom,black,transparent 80%);
}
header,main,footer{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--gold);color:#130e18;padding:10px 14px;z-index:100}
.skip-link:focus{left:8px}
:focus-visible{outline:2px solid var(--gold2);outline-offset:3px}

/* ---------- Typographie ---------- */
h1,h2,h3,.serif{font-family:var(--serif);font-weight:400;margin:0}
h1{font-size:clamp(38px,6vw,64px);line-height:1.02;margin:0 0 20px;max-width:780px;letter-spacing:-.025em}
h2{font-size:clamp(28px,4vw,40px);line-height:1.1}
h3{font-size:clamp(20px,2.4vw,25px);line-height:1.1}
.gold{color:var(--gold2)}
.eyebrow{color:var(--gold);font-size:13px;letter-spacing:.25em;text-transform:uppercase;margin-bottom:18px}
.lead{font-size:clamp(16px,1.6vw,18px);color:var(--text2);max-width:760px;margin:0 0 28px}
.quote{
  border-left:2px solid var(--gold);padding:14px 22px;margin:28px 0;color:var(--gold2);
  font-family:var(--serif);font-size:clamp(18px,2vw,22px);max-width:670px;
  background:linear-gradient(90deg,rgba(191,122,88,.07),transparent)
}
.small-note{font-size:12px;color:#9f96aa}
.section-title{text-align:center;margin-bottom:32px}
.section-title .eyebrow{margin-bottom:10px}
.section-title h2{margin:0}
.center{text-align:center}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:14px;
  border:1px solid var(--gold);padding:13px 22px;color:var(--gold2);
  text-transform:uppercase;letter-spacing:.06em;font-size:12px;transition:.2s;
  background:rgba(191,122,88,.02);cursor:pointer;font-family:inherit;line-height:1.2;
  min-height:44px;
}
.btn:hover{background:var(--gold);color:#130e18}
.btn.fill{background:linear-gradient(135deg,#b06a45,#d9916a);color:#100b14;font-weight:700}
.btn.fill:hover{filter:brightness(1.06)}
.btn[disabled]{opacity:.6;cursor:wait}

/* ---------- En-tête ---------- */
header{
  position:sticky;top:0;z-index:20;
  background:rgba(5,6,17,.91);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft)
}
.nav{height:var(--header-h);display:flex;align-items:center;gap:32px}
.brand{margin-right:auto;display:flex;align-items:center;height:100%}
.brand img{width:auto;height:88px}
nav.menu{display:flex;gap:27px;align-items:center;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
nav.menu a{padding:31px 0 20px;position:relative;color:#ddd4e0}
nav.menu a:hover,nav.menu a.active{color:var(--gold2)}
nav.menu a.active:after{content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;background:var(--gold)}
nav.menu .btn{display:none}
.burger{
  display:none;background:none;border:1px solid var(--line);color:var(--gold2);
  width:44px;height:44px;cursor:pointer;padding:0;align-items:center;justify-content:center
}
.burger span{display:block;width:20px;height:2px;background:currentColor;position:relative;transition:.2s}
.burger span:before,.burger span:after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;transition:.2s}
.burger span:before{top:-6px}.burger span:after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span:before{top:0;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 52px;position:relative;overflow:hidden;border-bottom:1px solid rgba(141,54,178,.2)}
.hero:after{
  content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(141,54,178,.18);
  border-radius:50%;right:-120px;top:-210px;box-shadow:0 0 120px rgba(108,27,148,.18);pointer-events:none
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;position:relative;z-index:1}
.hero-media{
  position:relative;border:1px solid rgba(191,122,88,.35);overflow:hidden;
  aspect-ratio:4/3;background:var(--panel);
  box-shadow:0 30px 80px rgba(0,0,0,.45)
}
.hero-media img{width:100%;height:100%;object-fit:cover;display:block}
.hero-media.wide{aspect-ratio:16/9}
.hero-media:after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 45%,rgba(5,6,17,.85) 100%),
             linear-gradient(90deg,rgba(5,6,17,.35),transparent 40%)
}
.hero-media .caption{position:absolute;left:24px;right:24px;bottom:20px;color:#d8cee0;font-size:13px;z-index:1;max-width:320px}
.hero-art{
  min-height:340px;border:1px solid rgba(191,122,88,.25);position:relative;overflow:hidden;
  background:radial-gradient(circle at 70% 32%,rgba(129,51,173,.34),transparent 24%),
             linear-gradient(135deg,rgba(92,29,127,.2),rgba(4,5,13,.92)),
             repeating-linear-gradient(135deg,transparent 0 22px,rgba(164,90,203,.04) 22px 23px)
}
.hero-art .orb{position:absolute;border:1px solid rgba(210,140,100,.45);border-radius:50%}
.hero-art .orb.one{width:220px;height:220px;right:62px;top:58px}
.hero-art .orb.two{width:320px;height:320px;right:12px;top:8px;border-color:rgba(141,54,178,.35)}
.hero-art .cross{position:absolute;right:118px;top:106px;font-family:var(--serif);font-size:88px;color:rgba(220,150,110,.8);line-height:1}
.hero-art .caption{position:absolute;left:28px;right:28px;bottom:24px;color:#d8cee0;font-size:13px;max-width:260px}

/* ---------- Sections ---------- */
section{padding:62px 0}
.band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(76,22,105,.23),rgba(8,7,17,.7));padding:30px 0
}
.band.photo{
  position:relative;padding:62px 0;
  background-size:cover;background-position:center;
}
.band.photo:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,6,17,.94),rgba(5,6,17,.78))}
.band.photo>*{position:relative}
.press{display:flex;gap:14px 28px;justify-content:center;flex-wrap:wrap;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:6px}
.press a{padding:4px 0;border-bottom:1px solid transparent;transition:.2s}
.press a:hover{color:var(--gold2);border-bottom-color:var(--gold)}

.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.split.top{align-items:start}

.card{
  background:linear-gradient(180deg,rgba(25,15,44,.84),rgba(11,8,24,.9));
  border:1px solid rgba(191,122,88,.28);padding:26px;min-height:190px;position:relative;
  display:block;transition:border-color .2s,transform .2s
}
.card:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,rgba(141,54,178,.08),transparent 55%)}
a.card:hover{border-color:var(--gold);transform:translateY(-2px)}
.card h3{margin:0 0 10px;color:#f0e7d6}
.card p{font-size:14px;color:var(--muted);margin:0}
.card .more{display:inline-block;margin-top:14px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold2)}
.icon{
  width:46px;height:46px;border:1px solid rgba(191,122,88,.55);display:grid;place-items:center;
  border-radius:50%;color:var(--gold2);font-size:20px;margin-bottom:18px;font-family:var(--serif)
}
ul.clean{list-style:none;padding:0;margin:15px 0 0}
ul.clean li{padding:7px 0 7px 16px;position:relative;color:#d7cfda;font-size:14px}
ul.clean li:before{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:var(--gold);left:0;top:15px}

.steps{display:grid;grid-template-columns:repeat(var(--steps,4),1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step{padding:28px 20px;position:relative;border-right:1px solid var(--line-soft)}
.step:last-child{border-right:0}
.num{font-family:var(--serif);font-size:42px;color:var(--gold2);line-height:1}
.step h3{font-size:20px;margin:10px 0 8px}
.step p{font-size:13px;color:var(--muted);margin:0}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.metric{text-align:center;padding:22px 12px;border-right:1px solid rgba(191,122,88,.22)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-family:var(--serif);font-size:clamp(30px,3.5vw,40px);color:var(--gold2);font-weight:400}
.metric span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}

.media{border:1px solid rgba(191,122,88,.3);overflow:hidden;position:relative;background:var(--panel)}
.media img{width:100%;height:100%;object-fit:cover}
.media.ratio-wide{aspect-ratio:2.1/1}
.media.ratio-photo{aspect-ratio:4/3}
.media:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 60%,rgba(5,6,17,.6))}

.cta{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  border:1px solid rgba(191,122,88,.3);padding:32px;
  background:linear-gradient(110deg,rgba(75,22,102,.35),rgba(11,8,24,.92))
}
.cta.photo{background-size:cover;background-position:center;position:relative;overflow:hidden}
.cta.photo:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(5,6,17,.93),rgba(5,6,17,.72))}
.cta.photo>*{position:relative}
.cta h2{font-size:clamp(24px,3vw,32px);margin:0}
.cta p{margin:6px 0 0;color:var(--muted)}
.cta .btn{flex-shrink:0}

/* Navigation entre expertises */
.siblings{border-top:1px solid var(--line-soft);padding:40px 0}
.siblings .eyebrow{text-align:center}
.page-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.page-nav a{border:1px solid var(--line-soft);padding:10px 14px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.page-nav a:hover{border-color:var(--gold);color:var(--gold2)}
.page-nav a.current{border-color:var(--gold);color:var(--gold2);background:rgba(191,122,88,.08)}

/* ---------- Contact ---------- */
.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start;position:relative;z-index:1}
.contact-card{border:1px solid rgba(191,122,88,.3);padding:26px;background:linear-gradient(160deg,rgba(28,15,45,.94),rgba(10,7,22,.96))}
.contact-detail{display:grid;grid-template-columns:42px 1fr;gap:12px;margin:20px 0;align-items:center}
.contact-detail .icon{width:42px;height:42px;margin:0}
.contact-detail strong{font-weight:400;color:var(--text);font-size:16px}
.contact-detail a:hover{color:var(--gold2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
label{display:block;font-size:12px;color:#d5ccda;margin-bottom:6px}
input,select,textarea{
  width:100%;padding:13px 12px;border:1px solid rgba(141,54,178,.4);background:#0d0a1c;color:#eee;
  border-radius:0;outline:none;font:inherit;font-size:16px
}
input:focus,select:focus,textarea:focus{border-color:var(--gold)}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
select option{background:#0d0a1c;color:#eee}
textarea{min-height:150px;resize:vertical}
.form-note{font-size:12px;color:#9f96aa;margin:0}
.form-status{display:none;border:1px solid var(--line);padding:14px 16px;margin-top:18px;font-size:14px}
.form-status.ok{display:block;border-color:#4caf50;color:#bdf0c4}
.form-status.err{display:block;border-color:#e06666;color:#f3c6c6}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Pages légales ---------- */
.prose{max-width:760px}
.prose h2{font-size:clamp(22px,3vw,30px);margin:36px 0 12px}
.prose p,.prose li{color:var(--text2);font-size:15px}
.prose a{color:var(--gold2);text-decoration:underline;text-underline-offset:3px}

/* ---------- Pied de page ---------- */
footer{border-top:1px solid rgba(191,122,88,.22);padding:40px 0 20px;background:#05050d}
.foot{display:grid;grid-template-columns:190px 1fr 1fr 1fr;gap:34px;align-items:start}
.foot img{width:190px}
.foot h4{font-size:12px;text-transform:uppercase;color:var(--gold);letter-spacing:.08em;margin:0 0 10px}
.foot p,.foot a{font-size:13px;color:#c8bfcd;display:block;margin:5px 0}
.foot a:hover{color:var(--gold2)}
.copyright{margin-top:22px;padding-top:18px;border-top:1px solid rgba(191,122,88,.16);font-size:12px;color:#91889c;text-align:center;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center}
.copyright a:hover{color:var(--gold2)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .grid.cols-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .step:nth-child(3n){border-right:0}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  :root{--header-h:80px}
  .brand img{height:66px}
  .nav{gap:14px}
  .nav .btn{display:none}
  .burger{display:inline-flex}
  nav.menu{
    display:none;position:absolute;left:0;right:0;top:var(--header-h);
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(5,6,17,.98);border-bottom:1px solid var(--line);
    padding:8px 4vw 16px
  }
  nav.menu.open{display:flex}
  nav.menu a{padding:16px 6px;border-bottom:1px solid rgba(255,255,255,.06);font-size:14px}
  nav.menu a.active:after{display:none}
  nav.menu .btn{display:inline-flex;margin-top:14px;border-bottom:1px solid var(--gold)}
  .hero{padding:48px 0 40px}
  .hero-grid,.contact-layout,.split{grid-template-columns:1fr}
  .hero-media{aspect-ratio:16/10}
  .hero-media.wide{aspect-ratio:16/9}
  .hero-art{min-height:260px}
  .grid.cols-3{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .metric:nth-child(2n){border-right:0}
  .steps{grid-template-columns:1fr 1fr}
  .step{border-right:1px solid var(--line-soft)}
  .step:nth-child(2n){border-right:0}
  .cta{flex-direction:column;align-items:flex-start}
  section{padding:48px 0}
}
@media(max-width:600px){
  body{font-size:15px}
  .grid.cols-3,.grid.cols-4,.metrics,.steps,.foot,.form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .step{border-right:0!important;border-bottom:1px solid var(--line-soft)}
  .step:last-child{border-bottom:0}
  .metric{border-right:0;border-bottom:1px solid rgba(191,122,88,.22)}
  .metric:last-child{border-bottom:0}
  .card{min-height:0}
  .hero-art .orb.two{right:-60px}
  .hero-art .cross{right:60px}
  .quote{font-size:18px;padding:12px 16px}
  .cta{padding:24px}
  .press{gap:14px 22px;font-size:12px}
  .contact-card{padding:20px}
  .foot{gap:22px}
  .btn{width:100%}
  .nav .btn,.page-nav a{width:auto}
}