/* ============================================================
   BOOKVIP.CH — Design System PRO MAX V1.2 (Sprint 2)
   Nuit genevoise · Or champagne · Verre dépoli · Solari
   Accueil + pages SEO programmatiques + RTL
   ============================================================ */
:root{
  --void:#070D15;
  --night:#0C1622;
  --panel:rgba(255,255,255,.045);
  --panel-border:rgba(255,255,255,.09);
  --gold:#C9A85C;
  --gold-hot:#E8C980;
  --cream:#F2EDE2;
  --dim:rgba(242,237,226,.55);
  --dimmer:rgba(242,237,226,.34);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',sans-serif;background:var(--void);color:var(--cream);
  overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6;
}
h1,h2,h3,.display{font-family:'Marcellus',serif;font-weight:400;line-height:1.12}
.mono{font-family:'IBM Plex Mono',monospace}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 34px}

/* Fond aurora + étoiles */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden}
.aurora::before,.aurora::after{content:"";position:absolute;width:70vw;height:70vw;border-radius:50%;filter:blur(120px);opacity:.16}
.aurora::before{background:radial-gradient(circle,#C9A85C,transparent 65%);top:-30vw;right:-20vw;animation:drift1 22s ease-in-out infinite alternate}
.aurora::after{background:radial-gradient(circle,#1E4B7A,transparent 65%);bottom:-30vw;left:-20vw;animation:drift2 26s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(-10vw,12vw) scale(1.15)}}
@keyframes drift2{to{transform:translate(12vw,-10vw) scale(1.1)}}
.stars{position:fixed;inset:0;z-index:-1;background-image:radial-gradient(1px 1px at 12% 22%,rgba(255,255,255,.35) 50%,transparent 51%),radial-gradient(1px 1px at 78% 12%,rgba(255,255,255,.28) 50%,transparent 51%),radial-gradient(1.5px 1.5px at 55% 70%,rgba(201,168,92,.4) 50%,transparent 51%),radial-gradient(1px 1px at 30% 85%,rgba(255,255,255,.22) 50%,transparent 51%)}

/* Boutons / verre */
.btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(120deg,var(--gold),#A8853F);color:#0B0F14;padding:13px 28px;border-radius:40px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:none;cursor:pointer;transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(201,168,92,.55)}
.glass{background:var(--panel);border:1px solid var(--panel-border);backdrop-filter:blur(20px);border-radius:20px}

/* Navigation */
.bv-nav{position:sticky;top:0;z-index:100;backdrop-filter:blur(18px);background:rgba(7,13,21,.6);border-bottom:1px solid var(--panel-border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:18px}
.logo{font-family:'Marcellus',serif;font-size:22px;letter-spacing:.16em;white-space:nowrap}
.logo em{font-style:normal;background:linear-gradient(120deg,var(--gold),var(--gold-hot));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:30px;font-size:13.5px;font-weight:500;color:var(--dim)}
.nav-links a{position:relative;transition:color .25s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--gold);transition:width .3s}
.nav-links a:hover{color:var(--cream)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:18px}
.lang-switch{font-size:12px;letter-spacing:.1em;color:var(--dimmer)}
.lang-switch a{padding:0 2px}
.lang-switch a.on{color:var(--gold-hot);font-weight:700}
.lang-switch .sep{margin:0 4px;color:var(--dimmer)}

/* Hero accueil */
.hero{position:relative;display:flex;align-items:center;padding:64px 0 44px}
.hero-inner{position:relative;width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--panel-border);background:var(--panel);backdrop-filter:blur(8px);border-radius:30px;padding:8px 18px;font-size:11.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-hot);margin-bottom:34px}
[dir="rtl"] .eyebrow{letter-spacing:.06em}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:#3FBF77;box-shadow:0 0 10px #3FBF77;animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
.hero h1{font-size:clamp(28px,4vw,50px);max-width:900px}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line span{display:block;transform:translateY(110%);animation:reveal 1s cubic-bezier(.2,.7,.2,1) forwards}
.hero h1 .line:nth-child(2) span{animation-delay:.15s}
.hero h1 .line:nth-child(3) span{animation-delay:.3s}
@keyframes reveal{to{transform:none}}
.hero h1 .gold{background:linear-gradient(120deg,var(--gold) 20%,var(--gold-hot) 50%,var(--gold) 80%);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200%;animation:shine 5s linear infinite}
@keyframes shine{to{background-position:200%}}
.hero p.lead{margin:12px 0 0;max-width:520px;color:var(--dim);font-size:14.5px;font-weight:300;opacity:0;animation:fadeUp .9s .55s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* Trajectoire animée */
.route{position:absolute;right:-4%;top:6%;width:52%;max-width:640px;pointer-events:none;opacity:.9}
[dir="rtl"] .route{right:auto;left:-4%;transform:scaleX(-1)}
.route .dash{stroke-dasharray:6 10;animation:dashmove 3.2s linear infinite}
@keyframes dashmove{to{stroke-dashoffset:-160}}
.route .plane-dot{offset-path:path('M 30 300 Q 300 40 610 150');animation:fly 9s linear infinite}
@keyframes fly{to{offset-distance:100%}}

/* Console de vol */
.console{margin-top:22px;max-width:820px;overflow:hidden;box-shadow:0 40px 90px -30px rgba(0,0,0,.7);opacity:0;animation:fadeUp .9s .75s forwards}
.console-head{display:flex;justify-content:space-between;align-items:center;padding:15px 26px;border-bottom:1px solid var(--panel-border);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--dimmer)}
[dir="rtl"] .console-head{letter-spacing:.05em}
.console-body{padding:26px}
.crow{display:flex;gap:16px;flex-wrap:wrap}
.field{flex:1;min-width:190px}
.field label{display:block;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--dimmer);margin-bottom:10px;font-weight:600}
[dir="rtl"] .field label{letter-spacing:.04em}
.field input{width:100%;background:rgba(0,0,0,.3);border:1px solid var(--panel-border);border-radius:12px;padding:16px 18px;color:var(--cream);font-family:'IBM Plex Mono',monospace;font-size:17px;letter-spacing:.1em;outline:none;transition:border .25s,box-shadow .25s;text-transform:uppercase;color-scheme:dark}
.field input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,168,92,.12)}
.crow .btn{align-self:flex-end;padding:17px 32px;border-radius:12px}
.hint{margin-top:16px;font-size:13px;color:var(--dimmer)}
.hint a{color:var(--gold-hot)}

/* Sections & reveal */
section{padding:100px 0;position:relative}
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
.sec-head{max-width:680px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kicker{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:20px}
[dir="rtl"] .sec-head .kicker{letter-spacing:.08em}
.sec-head h2{font-size:clamp(30px,4.2vw,50px)}
.sec-head p{margin-top:18px;color:var(--dim);font-weight:300;font-size:16.5px}

/* Bento services */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(200px,auto);gap:18px}
.cell{position:relative;border-radius:18px;padding:28px;overflow:hidden;background:var(--panel);border:1px solid var(--panel-border);backdrop-filter:blur(14px);display:flex;flex-direction:column;justify-content:flex-end;transition:transform .3s,border-color .3s}
.cell:hover{transform:translateY(-5px);border-color:rgba(201,168,92,.5)}
.cell.big{grid-column:span 2;grid-row:span 2}
.cell.wide{grid-column:span 2}
.cell .tag{position:absolute;top:22px;inset-inline-start:24px;font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-hot);font-weight:700}
[dir="rtl"] .cell .tag{letter-spacing:.06em}
.cell h3{font-size:22px;margin-bottom:8px}
.cell.big h3{font-size:32px}
.cell p{font-size:13.5px;color:var(--dim);font-weight:300;max-width:360px}
.cell .price{margin-top:14px;font-family:'Marcellus',serif;font-size:19px;color:var(--gold-hot)}
.cell .price i{font-style:normal;font-size:12px;color:var(--dimmer);font-family:'Manrope',sans-serif;letter-spacing:.1em;text-transform:uppercase;margin-inline-end:8px}
.cell .glow{position:absolute;inset:auto -40% -60% auto;width:70%;height:120%;border-radius:50%;filter:blur(60px);opacity:.22;pointer-events:none;background:var(--gold)}
.cell:nth-child(2) .glow{background:#1E4B7A}
.cell:nth-child(5) .glow{background:#3E6B4F}

/* Timeline */
.how-band{background:rgba(0,0,0,.28);border-top:1px solid var(--panel-border);border-bottom:1px solid var(--panel-border)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;margin-top:20px}
.timeline::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5}
.tstep{padding:0 28px;text-align:center}
.tstep .dot{width:52px;height:52px;border-radius:50%;margin:0 auto 26px;border:1px solid rgba(201,168,92,.5);background:var(--night);display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;color:var(--gold-hot);font-size:14px;box-shadow:0 0 30px -6px rgba(201,168,92,.4);position:relative;z-index:1}
.tstep h3{font-size:20px;margin-bottom:10px}
.tstep p{font-size:13.5px;color:var(--dim);font-weight:300}

/* Aéroports */
.apts{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.apt{position:relative;min-height:300px;border-radius:20px;overflow:hidden;border:1px solid var(--panel-border);padding:36px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .35s}
.apt:hover{transform:scale(1.015)}
.apt.gva{background:radial-gradient(130% 150% at 15% -10%,#2C5A85 0%,#0C1622 62%)}
.apt.zrh{background:radial-gradient(130% 150% at 85% -10%,#41684C 0%,#0C1622 62%)}
.apt .iata{position:absolute;top:28px;inset-inline-start:32px;font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.34em;color:var(--gold-hot);border:1px solid rgba(201,168,92,.5);padding:7px 16px;border-radius:24px;background:rgba(0,0,0,.25)}
.apt .big-code{position:absolute;inset-inline-end:-12px;top:8px;font-family:'Marcellus',serif;font-size:150px;color:rgba(255,255,255,.05);user-select:none}
.apt h3{font-size:30px}
.apt .go{margin-top:18px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-hot);font-weight:700}
[dir="rtl"] .apt .go{letter-spacing:.06em}

/* CTA final */
.final{text-align:center;padding:120px 0;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,92,.16),transparent 65%);pointer-events:none}
.final h2{font-size:clamp(32px,5vw,58px);position:relative}
.final p{color:var(--dim);margin:20px auto 36px;max-width:480px;font-weight:300;position:relative}
.final .btn{position:relative}

/* Pages SEO */
.seo-hero{padding:150px 0 60px;text-align:center}
.seo-hero .eyebrow{margin-bottom:26px}
.seo-hero h1{font-size:clamp(32px,4.6vw,56px);max-width:880px;margin:0 auto 22px}
.seo-price{font-family:'Marcellus',serif;font-size:28px;color:var(--gold-hot);margin-bottom:28px}
.seo-price i{font-style:normal;font-size:13px;color:var(--dimmer);font-family:'Manrope',sans-serif;text-transform:uppercase;letter-spacing:.1em;margin-inline-end:10px}
.seo-body{padding-bottom:40px}
.seo-article{padding:44px 48px;margin:20px auto;max-width:860px;font-weight:300;color:var(--dim)}
.seo-article h2{color:var(--cream);font-size:26px;margin:34px 0 14px}
.seo-article p{margin-bottom:16px;font-size:16px}
.seo-article ul{margin:0 0 16px 22px}
[dir="rtl"] .seo-article ul{margin:0 22px 16px 0}
.seo-faq{max-width:860px;margin:50px auto}
.seo-faq h2{font-size:28px;margin-bottom:24px}
.seo-faq details{margin-bottom:12px;padding:20px 26px}
.seo-faq summary{cursor:pointer;font-weight:600;font-size:15.5px;color:var(--cream);list-style:none;position:relative;padding-inline-end:30px}
.seo-faq summary::after{content:"+";position:absolute;inset-inline-end:0;top:0;color:var(--gold-hot);font-size:20px}
.seo-faq details[open] summary::after{content:"–"}
.seo-faq details p{margin-top:12px;color:var(--dim);font-weight:300}
.seo-related{max-width:860px;margin:50px auto}
.seo-related h2{font-size:26px;margin-bottom:22px}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rel-card{padding:20px 24px;font-size:14.5px;transition:border-color .25s,transform .25s}
.rel-card:hover{border-color:rgba(201,168,92,.5);transform:translateY(-3px)}

/* Footer */
.bv-footer{border-top:1px solid var(--panel-border);padding:50px 0 36px;color:var(--dimmer);font-size:13px;background:rgba(0,0,0,.35)}
.f-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px 26px;margin-bottom:36px;font-size:12.5px}
.f-links a{color:var(--dimmer);transition:color .2s}
.f-links a:hover{color:var(--gold-hot)}
.f-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center;border-top:1px solid rgba(255,255,255,.06);padding-top:26px}
.bv-footer .logo{font-size:19px;color:var(--cream)}

/* Responsive */
@media(max-width:960px){
  .nav-links{display:none}
  .route{display:none}
  .bento{grid-template-columns:1fr 1fr}
  .cell.big{grid-column:span 2;grid-row:span 1}
  .timeline{grid-template-columns:1fr;gap:40px}
  .timeline::before{display:none}
  .apts,.rel-grid{grid-template-columns:1fr}
  section{padding:70px 0}
  .seo-article{padding:30px 24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* Sprint 3.1 : infobulle vols */
.fhint{display:flex;gap:8px;align-items:flex-start;margin-top:12px;font-size:12.5px;color:var(--dimmer);line-height:1.5}
.fhint .i{color:var(--gold-hot);flex-shrink:0}
.mode-t{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.mode-t .btn.off{background:transparent;color:var(--dim);border:1px solid var(--panel-border)}

/* Sprint 3.3 : choix de mode élégant + carte de vol détaillée */
.mode-choice{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.mode-card{display:flex;gap:16px;align-items:flex-start;padding:20px 22px;border:1px solid var(--panel-border);border-radius:16px;background:var(--panel);cursor:pointer;transition:border .25s,transform .25s;color:var(--gold-hot)}
.mode-card:hover{transform:translateY(-3px)}
.mode-card.on{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,168,92,.14)}
.mode-card .mc-t{font-weight:700;font-size:15px;color:var(--cream)}
.mode-card .mc-s{font-size:12.5px;color:var(--dim);font-weight:300;margin-top:4px}
.fb-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.fb-no{font-size:20px;letter-spacing:.18em;color:var(--gold-hot)}
.fb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 18px;margin-top:16px}
.fb-grid label{display:block;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dimmer);margin-bottom:4px}
.fb-grid b{font-size:15.5px;font-weight:600;color:var(--cream)}
@media(max-width:700px){.mode-choice{grid-template-columns:1fr}.fb-grid{grid-template-columns:1fr 1fr}}

/* Sprint 3.5 : onglets console accueil + visibilité garantie */
.ctabs{display:flex;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--panel-border)}
.ctab{background:none;border:none;border-bottom:2px solid transparent;color:var(--dim);
  font-family:'Manrope',sans-serif;font-size:13px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;padding:10px 16px;cursor:pointer;transition:color .2s,border-color .2s}
.ctab:hover{color:var(--cream)}
.ctab.on{color:var(--gold-hot);border-bottom-color:var(--gold)}
[dir="rtl"] .ctab{letter-spacing:.02em}
@media(max-height:820px){
  .hero{padding:52px 0 36px}
  .hero p.lead{display:none}
  .eyebrow{margin-bottom:14px}
}
/* Sprint 3.3 : choix de mode élégant + carte de vol détaillée */
.mode-choice{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.mode-card{display:flex;gap:16px;align-items:flex-start;padding:20px 22px;border:1px solid var(--panel-border);border-radius:16px;background:var(--panel);cursor:pointer;transition:border .25s,transform .25s;color:var(--gold-hot)}
.mode-card:hover{transform:translateY(-3px)}
.mode-card.on{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,168,92,.14)}
.mode-card .mc-t{font-weight:700;font-size:15px;color:var(--cream)}
.mode-card .mc-s{font-size:12.5px;color:var(--dim);font-weight:300;margin-top:4px}
.fb-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.fb-no{font-size:20px;letter-spacing:.18em;color:var(--gold-hot)}
.fb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 18px;margin-top:16px}
.fb-grid label{display:block;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dimmer);margin-bottom:4px}
.fb-grid b{font-size:15.5px;font-weight:600;color:var(--cream)}
@media(max-width:700px){.mode-choice{grid-template-columns:1fr}.fb-grid{grid-template-columns:1fr 1fr}}