/* ===========================================================
   AEROTRONIK — Feuille de style partagée
   Système de design v1.0
   =========================================================== */

:root{
  /* Couleurs */
  --noir-carbone:#0A0D10;
  --anthracite:#14191D;
  --acier:#1E262B;
  --acier-clair:#2A343A;
  --jaune-aero:#E6E70C;
  --jaune-aero-soft:#C9CA1F;
  --vert-hud:#45FF87;
  --cyan-radar:#2FE6C9;
  --ambre-alerte:#E6A92E;
  --rouge-critique:#FF5A4D;
  --blanc-givre:#EAF0F2;
  --gris-instrument:#8B999E;
  --ligne:rgba(139,153,158,.18);
  /* Typo */
  --font-display:'Orbitron',sans-serif;
  --font-titre:'Rajdhani',sans-serif;
  --font-texte:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  /* Rayons & ombres */
  --r-sm:6px; --r-md:12px; --r-lg:20px;
  --glow-jaune:0 0 24px rgba(230,231,12,.35);
  --glow-vert:0 0 22px rgba(69,255,135,.30);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--noir-carbone);
  color:var(--blanc-givre);
  font-family:var(--font-texte);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(circle at 18% 8%, rgba(230,231,12,.05), transparent 38%),
    radial-gradient(circle at 88% 90%, rgba(47,230,201,.045), transparent 42%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.01) 0 2px, transparent 2px 9px);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}

.wrap{max-width:1180px;margin:0 auto;padding:0 28px}

/* ---------- Navigation ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(10,13,16,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--ligne);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:34px;height:34px;filter:drop-shadow(var(--glow-jaune))}
.brand .word{font-family:var(--font-display);font-weight:900;font-size:20px;letter-spacing:3px;color:var(--jaune-aero)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{
  font-family:var(--font-titre);font-weight:600;font-size:14px;text-transform:uppercase;
  letter-spacing:1px;color:var(--gris-instrument);transition:color .15s;position:relative;padding:6px 0;
}
.nav-links a:hover,.nav-links a.active{color:var(--blanc-givre)}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--jaune-aero);box-shadow:var(--glow-jaune)}
.nav-cta{
  font-family:var(--font-titre);font-weight:600;text-transform:uppercase;letter-spacing:1px;font-size:13px;
  background:var(--jaune-aero);color:var(--noir-carbone);padding:10px 20px;border-radius:var(--r-sm);
  box-shadow:var(--glow-jaune);transition:transform .12s;
}
.nav-cta:hover{transform:translateY(-2px)}
.lang-toggle{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;background:transparent;border:1px solid var(--ligne);color:var(--gris-instrument);padding:9px 12px;border-radius:var(--r-sm);cursor:pointer;margin-left:14px;transition:color .15s,border-color .15s}
.lang-toggle:hover{color:var(--jaune-aero);border-color:var(--jaune-aero)}
.nav-toggle{display:none}

/* ---------- Sections ---------- */
section{padding:84px 0;border-bottom:1px solid var(--ligne)}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--cyan-radar);margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan-radar)}
h2.sec{font-family:var(--font-titre);font-weight:700;font-size:clamp(28px,4vw,42px);letter-spacing:.5px;text-transform:uppercase;margin-bottom:10px}
.sec-desc{color:var(--gris-instrument);max-width:640px;margin-bottom:42px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--ligne)}
.hero .scanline{position:absolute;inset:0;z-index:1;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(69,255,135,.022) 0 1px,transparent 1px 4px)}
.hero-inner{padding:110px 0 96px;position:relative;z-index:2;max-width:820px}
.hero h1{font-family:var(--font-titre);font-weight:700;font-size:clamp(32px,6vw,62px);text-transform:uppercase;letter-spacing:1px;line-height:1.08}
.hero h1 em{color:var(--vert-hud);font-style:normal;text-shadow:var(--glow-vert)}
.hero .lead{color:var(--gris-instrument);font-size:clamp(16px,2vw,20px);margin-top:22px;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-status{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--vert-hud);margin-bottom:26px;text-transform:uppercase}
.hero-status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--vert-hud);box-shadow:0 0 10px var(--vert-hud);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Boutons ---------- */
.btn{
  font-family:var(--font-titre);font-weight:600;text-transform:uppercase;letter-spacing:1.5px;
  border:none;border-radius:var(--r-sm);padding:14px 28px;font-size:14px;cursor:pointer;
  transition:transform .12s,box-shadow .2s;display:inline-block;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--jaune-aero);color:var(--noir-carbone);box-shadow:var(--glow-jaune)}
.btn-ghost{background:transparent;color:var(--vert-hud);border:1px solid var(--vert-hud)}
.btn-ghost:hover{box-shadow:var(--glow-vert)}
.btn-dark{background:var(--acier);color:var(--blanc-givre);border:1px solid var(--ligne)}

/* ---------- Grilles & cartes ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:1fr 1fr}
.card{
  border:1px solid var(--ligne);border-radius:var(--r-md);padding:30px 28px;
  background:linear-gradient(180deg,var(--anthracite),rgba(20,25,29,.45));
  transition:transform .18s,border-color .18s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--acier-clair)}
.card .ico{width:46px;height:46px;border:1px solid var(--ligne);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.card .ico svg{width:26px;height:26px;stroke:var(--vert-hud);fill:none;stroke-width:1.6}
.card h3{font-family:var(--font-titre);font-weight:600;text-transform:uppercase;letter-spacing:.6px;font-size:19px;margin-bottom:10px}
.card p{color:var(--gris-instrument);font-size:15px}
.card .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;color:var(--cyan-radar);text-transform:uppercase;margin-bottom:14px;display:block}

/* ---------- Badges ---------- */
.badge{font-family:var(--font-mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;padding:5px 12px;border-radius:20px;border:1px solid;display:inline-flex;align-items:center;gap:7px}
.badge::before{content:"";width:7px;height:7px;border-radius:50%}
.badge.nominal{color:var(--vert-hud);border-color:rgba(69,255,135,.4)}
.badge.nominal::before{background:var(--vert-hud);box-shadow:0 0 8px var(--vert-hud)}

/* ---------- Bandeau stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,4vw,46px);color:var(--jaune-aero)}
.stat .lbl{font-family:var(--font-mono);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-instrument);margin-top:8px}

/* ---------- HUD card ---------- */
.hud{border:1px solid rgba(69,255,135,.3);border-radius:var(--r-md);background:linear-gradient(180deg,rgba(10,13,16,.92),rgba(20,25,29,.72));padding:26px;font-family:var(--font-mono);position:relative;overflow:hidden;box-shadow:inset 0 0 40px rgba(69,255,135,.05)}
.hud::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(69,255,135,.04) 0 1px,transparent 1px 5px);pointer-events:none}
.hud .big{font-family:var(--font-display);font-size:38px;color:var(--jaune-aero);letter-spacing:2px;margin:4px 0 16px}
.hud .row{display:flex;justify-content:space-between;font-size:13px;padding:8px 0;border-bottom:1px solid rgba(69,255,135,.12);color:var(--vert-hud)}
.hud .row:last-child{border-bottom:none}
.hud .row span:first-child{color:var(--gris-instrument)}

/* ---------- Formulaire ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-instrument);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;background:var(--noir-carbone);border:1px solid var(--ligne);border-radius:var(--r-sm);
  padding:13px 15px;color:var(--blanc-givre);font-family:var(--font-texte);font-size:15px;transition:border-color .15s,box-shadow .15s;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--vert-hud);box-shadow:var(--glow-vert)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- Captcha « vérification système » ---------- */
.captcha .captcha-box{display:flex;align-items:stretch;gap:10px}
.captcha-q{display:flex;align-items:center;justify-content:center;min-width:118px;padding:0 16px;font-family:var(--font-mono);font-size:18px;letter-spacing:2px;color:var(--vert-hud);background:var(--noir-carbone);border:1px solid rgba(69,255,135,.35);border-radius:var(--r-sm);box-shadow:inset 0 0 18px rgba(69,255,135,.07);user-select:none;white-space:nowrap;text-shadow:0 0 8px rgba(69,255,135,.4)}
.captcha-refresh{flex:none;width:46px;background:var(--acier);border:1px solid var(--ligne);border-radius:var(--r-sm);color:var(--cyan-radar);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .15s,box-shadow .2s,transform .3s}
.captcha-refresh:hover{border-color:var(--cyan-radar)}
.captcha-refresh:active svg{transform:rotate(-180deg)}
.captcha-refresh svg{width:20px;height:20px;fill:none;stroke:var(--cyan-radar);stroke-width:1.8;stroke-linecap:round;transition:transform .3s}
.captcha .captcha-box input{flex:1}

/* Coordonnées masquées tant que le captcha n'est pas validé */
.masked-contact{font-family:var(--font-mono);font-size:12px;letter-spacing:.5px;color:var(--gris-instrument)}

/* ---------- Page header ---------- */
.page-head{padding:80px 0 50px;border-bottom:1px solid var(--ligne);position:relative;overflow:hidden}
.page-head .scanline{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(69,255,135,.02) 0 1px,transparent 1px 4px)}
.page-head h1{font-family:var(--font-titre);font-weight:700;font-size:clamp(30px,5vw,52px);text-transform:uppercase;letter-spacing:1px;position:relative;z-index:2}
.page-head p{color:var(--gris-instrument);max-width:600px;margin-top:16px;font-size:18px;position:relative;z-index:2}

/* ---------- CTA band ---------- */
.cta-band{text-align:center}
.cta-band h2{font-family:var(--font-titre);font-weight:700;text-transform:uppercase;font-size:clamp(26px,4vw,40px);letter-spacing:.5px;margin-bottom:16px}
.cta-band p{color:var(--gris-instrument);max-width:520px;margin:0 auto 30px}

/* ---------- Liste valeurs ---------- */
.values{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.value{border-left:3px solid var(--jaune-aero);border-radius:var(--r-sm);background:var(--anthracite);padding:24px;border-top:1px solid var(--ligne);border-right:1px solid var(--ligne);border-bottom:1px solid var(--ligne)}
.value h4{font-family:var(--font-titre);text-transform:uppercase;letter-spacing:1px;font-size:18px;margin-bottom:8px}
.value p{font-size:14px;color:var(--gris-instrument)}

/* ---------- Footer ---------- */
footer.site{padding:56px 0 40px;border-top:1px solid var(--ligne)}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;margin-bottom:36px}
.foot-brand .word{font-family:var(--font-display);font-weight:900;font-size:22px;letter-spacing:4px;color:var(--jaune-aero)}
.foot-brand p{color:var(--gris-instrument);font-size:13px;margin-top:12px;max-width:280px}
.foot-col h5{font-family:var(--font-mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan-radar);margin-bottom:14px}
.foot-col a{display:block;color:var(--gris-instrument);font-size:14px;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--blanc-givre)}
.foot-bottom{border-top:1px solid var(--ligne);padding-top:22px;font-family:var(--font-mono);font-size:11px;letter-spacing:1px;color:var(--gris-instrument);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ===========================================================
   ANIMATIONS — effet « cockpit qui s'allume »
   =========================================================== */

/* ---------- Reveal au scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.from-left{transform:translateX(-34px)}
.reveal.from-right{transform:translateX(34px)}
.reveal.from-left.in,.reveal.from-right.in{transform:none}

/* ---------- Boot / séquence de démarrage ---------- */
#boot{position:fixed;inset:0;z-index:9999;background:var(--noir-carbone);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;transition:opacity .6s ease,visibility .6s}
#boot.done{opacity:0;visibility:hidden}
#boot .boot-logo{font-family:var(--font-display);font-weight:900;font-size:clamp(28px,6vw,52px);letter-spacing:8px;color:var(--jaune-aero);text-shadow:var(--glow-jaune)}
#boot .boot-bar{width:min(320px,70vw);height:3px;background:var(--acier);border-radius:3px;overflow:hidden}
#boot .boot-bar i{display:block;height:100%;width:0;background:var(--jaune-aero);box-shadow:var(--glow-jaune);transition:width .1s linear}
#boot .boot-log{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--vert-hud);min-height:18px;text-transform:uppercase}
#boot .boot-mark{width:60px;height:60px;filter:drop-shadow(var(--glow-jaune))}
#boot .boot-mark path.draw{stroke-dasharray:170;stroke-dashoffset:170;animation:draw 1.4s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* ---------- Hero canvas + parallax ---------- */
.hero{min-height:88vh;display:flex;align-items:center}
.hero-inner{will-change:transform}
.hero h1{opacity:0;animation:fadeUp .9s ease .2s forwards}
.hero .lead{opacity:0;animation:fadeUp .9s ease .45s forwards}
.hero-actions{opacity:0;animation:fadeUp .9s ease .65s forwards}
.hero-status{opacity:0;animation:fadeUp .9s ease .05s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.hero h1 em{position:relative}

/* ---------- Ticker de données ---------- */
.ticker{position:relative;z-index:3;border-top:1px solid var(--ligne);border-bottom:1px solid var(--ligne);background:rgba(10,13,16,.6);overflow:hidden;white-space:nowrap}
.ticker .track{display:inline-block;padding:11px 0;font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--gris-instrument);animation:scrollx 32s linear infinite}
.ticker .track span{margin:0 26px}
.ticker .track b{color:var(--vert-hud);font-weight:400}
.ticker:hover .track{animation-play-state:paused}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Halo curseur ---------- */
#glow{position:fixed;top:0;left:0;width:340px;height:340px;border-radius:50%;pointer-events:none;z-index:1;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(69,255,135,.10),transparent 65%);transition:opacity .3s;mix-blend-mode:screen}

/* ---------- Cartes : tilt + balayage lumineux ---------- */
.card{transform-style:preserve-3d}
.card::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.05),transparent);transform:skewX(-18deg);transition:left .6s ease;pointer-events:none}
.card:hover::after{left:130%}
.card .ico svg{transition:transform .4s ease}
.card:hover .ico svg{transform:translateY(-2px) scale(1.08)}

/* ---------- Statut nav : voyant ---------- */
.nav .brand svg path{transition:stroke .3s}

/* ---------- HUD live ---------- */
.hud .big{transition:color .3s}
.hud-live{transition:color .25s}
.hud .row span:last-child{font-variant-numeric:tabular-nums}

/* ---------- Radar sweep (décor) ---------- */
.radar{position:relative;width:100%;aspect-ratio:1;max-width:260px;margin:0 auto;border-radius:50%;border:1px solid rgba(47,230,201,.3);overflow:hidden;background:radial-gradient(circle,rgba(47,230,201,.06),transparent 70%)}
.radar::before{content:"";position:absolute;inset:0;background:repeating-radial-gradient(circle,transparent 0 28px,rgba(47,230,201,.12) 28px 29px)}
.radar .sweep{position:absolute;inset:0;background:conic-gradient(from 0deg,rgba(69,255,135,.35),transparent 40%);animation:spin 3.4s linear infinite;border-radius:50%}
.radar .cross{position:absolute;inset:0}
.radar .cross::before,.radar .cross::after{content:"";position:absolute;background:rgba(47,230,201,.2)}
.radar .cross::before{left:50%;top:0;width:1px;height:100%}
.radar .cross::after{top:50%;left:0;height:1px;width:100%}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Boutons : pulse ---------- */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.45),transparent);transform:translateX(-120%)}
.btn-primary:hover::before{animation:sheen .7s ease}
@keyframes sheen{to{transform:translateX(120%)}}

/* ---------- Lien d'évitement (a11y) ---------- */
.skip-link{position:fixed;top:-60px;left:14px;z-index:10000;background:var(--jaune-aero);color:var(--noir-carbone);font-family:var(--font-titre);font-weight:600;text-transform:uppercase;letter-spacing:1px;padding:10px 18px;border-radius:var(--r-sm);transition:top .2s}
.skip-link:focus{top:14px;outline:none}

/* ---------- Barre de progression de scroll ---------- */
#scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:9997;background:linear-gradient(90deg,var(--vert-hud),var(--jaune-aero));box-shadow:0 0 12px rgba(230,231,12,.5)}

/* ---------- Nav : état au scroll + focus a11y ---------- */
.nav{transition:height .3s,background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(10,13,16,.94);box-shadow:0 8px 30px rgba(0,0,0,.5)}
.nav.scrolled .nav-inner{height:60px}
.nav-links a:focus-visible,.nav-cta:focus-visible,.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--vert-hud);outline-offset:2px}

/* ---------- Burger ---------- */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:transparent;border:1px solid var(--ligne);border-radius:var(--r-sm);cursor:pointer;margin-left:14px;z-index:61;position:relative}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--blanc-givre);margin:0 auto;transition:transform .3s,opacity .25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--jaune-aero)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--jaune-aero)}

/* ---------- Menu mobile plein écran ---------- */
#mobile-menu{position:fixed;inset:0;z-index:60;background:rgba(8,11,13,.97);backdrop-filter:blur(14px);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 32px;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .35s,transform .35s,visibility .35s;background-image:repeating-linear-gradient(0deg,rgba(69,255,135,.018) 0 1px,transparent 1px 5px)}
#mobile-menu.open{opacity:1;visibility:visible;transform:none}
#mobile-menu a{font-family:var(--font-titre);font-weight:700;text-transform:uppercase;letter-spacing:2px;font-size:clamp(28px,8vw,44px);color:var(--blanc-givre);padding:12px 0;border-bottom:1px solid var(--ligne);opacity:0;transform:translateX(-20px);transition:opacity .4s,transform .4s,color .2s}
#mobile-menu.open a{opacity:1;transform:none}
#mobile-menu.open a:nth-child(1){transition-delay:.10s}
#mobile-menu.open a:nth-child(2){transition-delay:.16s}
#mobile-menu.open a:nth-child(3){transition-delay:.22s}
#mobile-menu.open a:nth-child(4){transition-delay:.28s}
#mobile-menu.open a:nth-child(5){transition-delay:.34s}
#mobile-menu a:hover,#mobile-menu a.active{color:var(--jaune-aero)}
#mobile-menu a.mm-cta{color:var(--jaune-aero);font-size:clamp(20px,5vw,28px);border-bottom:none;margin-top:10px}
#mobile-menu a.mm-cta .idx{color:var(--jaune-aero)}
#mobile-menu a .idx{font-family:var(--font-mono);font-size:13px;letter-spacing:1px;color:var(--cyan-radar);margin-right:14px;vertical-align:middle}
#mobile-menu .mm-foot{margin-top:30px;font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--gris-instrument)}
body.menu-open{overflow:hidden}

/* ---------- Transition de page (volet) ---------- */
#page-transition{position:fixed;inset:0;z-index:9998;pointer-events:none;background:var(--noir-carbone);transform:scaleY(0);transform-origin:bottom;transition:transform .5s cubic-bezier(.7,0,.3,1)}
#page-transition.show{transform:scaleY(1);transform-origin:bottom}
#page-transition::after{content:"AEROTRONIK";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:900;letter-spacing:6px;font-size:clamp(20px,4vw,34px);color:var(--jaune-aero);opacity:0;transition:opacity .3s}
#page-transition.show::after{opacity:1;transition-delay:.15s}

/* ---------- Bouton retour en haut ---------- */
#to-top{position:fixed;right:24px;bottom:24px;z-index:50;width:46px;height:46px;border-radius:50%;border:1px solid var(--vert-hud);background:rgba(10,13,16,.8);color:var(--vert-hud);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s,transform .3s,visibility .3s,box-shadow .2s}
#to-top.show{opacity:1;visibility:visible;transform:none}
#to-top:hover{box-shadow:var(--glow-vert)}
#to-top svg{width:20px;height:20px;stroke:var(--vert-hud);fill:none;stroke-width:2}

/* ===========================================================
   HERO 3D — châssis HUD
   =========================================================== */
#hero-3d{position:absolute;inset:0;z-index:0;width:100%;height:100%;display:block}
.hero{min-height:92vh}
.hero-inner{transition:opacity .2s}

.hud-frame{position:absolute;inset:0;z-index:1;pointer-events:none;transition:opacity .2s}
.hud-frame .corner{position:absolute;width:44px;height:44px;border:2px solid rgba(47,230,201,.45)}
.hud-frame .corner.tl{top:96px;left:26px;border-right:0;border-bottom:0}
.hud-frame .corner.tr{top:96px;right:26px;border-left:0;border-bottom:0}
.hud-frame .corner.bl{bottom:60px;left:26px;border-right:0;border-top:0}
.hud-frame .corner.br{bottom:60px;right:26px;border-left:0;border-top:0}

.hud-readout{position:absolute;top:50%;transform:translateY(-50%);font-family:var(--font-mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--vert-hud);line-height:2.2;text-shadow:0 0 10px rgba(69,255,135,.4)}
.hud-readout .k{color:var(--gris-instrument);display:block;font-size:9px;letter-spacing:1.5px}
.hud-readout.left{left:40px;text-align:left}
.hud-readout.right{right:40px;text-align:right}
.hud-readout b{font-weight:400;font-size:16px;color:var(--jaune-aero)}

.reticle{position:absolute;top:0;left:0;width:70px;height:70px;opacity:0;transition:opacity .3s;will-change:transform;z-index:1}
.reticle::before,.reticle::after{content:"";position:absolute;background:rgba(69,255,135,.6)}
.reticle::before{left:50%;top:0;width:1px;height:100%;transform:translateX(-50%)}
.reticle::after{top:50%;left:0;height:1px;width:100%;transform:translateY(-50%)}
.reticle i{position:absolute;inset:18px;border:1px solid rgba(69,255,135,.7);border-radius:50%}
.reticle i::after{content:"";position:absolute;inset:12px;border:1px solid rgba(230,231,12,.5);border-radius:50%}

/* Titre cinétique du hero */
.hero h1.kinetic{font-size:clamp(40px,9vw,92px);line-height:.98;letter-spacing:-0.5px}

/* Fallback sans WebGL : on garde un fond anim 2D minimal */
body.no-webgl #hero-3d{background:radial-gradient(circle at 50% 120%,rgba(47,230,201,.12),transparent 55%)}

@media(max-width:760px){
  .hud-readout{display:none}
  .hud-frame .corner{width:30px;height:30px}
}

/* ===========================================================
   SCROLLYTELLING « EN VOL »
   =========================================================== */
.fly{position:relative;height:300vh;border-bottom:1px solid var(--ligne);padding:0}
.fly-stage{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.fly-stage::before{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(69,255,135,.018) 0 1px,transparent 1px 5px)}
.fly-inner{width:100%;position:relative;z-index:2;padding-top:48px}
.fly-head{margin-bottom:30px;max-width:640px}
.fly-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}

/* Visuel compact pour tenir dans une hauteur d'écran */
.fly-visual{max-width:500px}
.profile{display:block;width:100%;height:auto;max-height:190px}
.fly-telemetry.hud{padding:20px 24px}
.fly-telemetry .big{font-size:30px;margin:0 0 10px}

/* Écrans peu hauts : on resserre encore */
@media(min-width:861px) and (max-height:780px){
  .fly-inner{padding-top:28px}
  .fly-head{margin-bottom:16px}
  .fly-head .sec-desc{display:none}
  .profile{max-height:150px}
  .fly-telemetry.hud{padding:14px 20px}
  .fly-telemetry .big{font-size:26px}
  .fly-step p{font-size:15px}
  .fly-foot{margin-top:22px}
}

.fly-visual{position:relative}
.profile{width:100%;height:auto;overflow:visible;display:block}
.profile-axis{stroke:var(--ligne);stroke-width:1}
.profile-base{fill:none;stroke:rgba(139,153,158,.3);stroke-width:1.5;stroke-dasharray:3 6}
.profile-line{fill:none;stroke:var(--vert-hud);stroke-width:2.5;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(69,255,135,.55))}
.profile-marker{fill:var(--gris-instrument)}
.profile-marker.on{fill:var(--jaune-aero)}
.plane path{fill:var(--jaune-aero);filter:drop-shadow(0 0 8px rgba(230,231,12,.9))}
.profile-label{font-family:var(--font-mono);font-size:8px;letter-spacing:1px;fill:var(--gris-instrument);text-transform:uppercase}

.fly-telemetry{margin-top:22px}

.fly-steps{position:relative;min-height:330px}
.fly-step{position:absolute;inset:0;opacity:0;transform:translateY(26px);transition:opacity .55s cubic-bezier(.16,1,.3,1),transform .55s cubic-bezier(.16,1,.3,1);pointer-events:none}
.fly-step.active{opacity:1;transform:none;pointer-events:auto}
.fly-step .phase-no{font-family:var(--font-display);font-weight:900;font-size:64px;color:transparent;-webkit-text-stroke:1px rgba(139,153,158,.35);line-height:1;margin-bottom:10px}
.fly-step .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;color:var(--cyan-radar);text-transform:uppercase;display:block;margin-bottom:12px}
.fly-step h3{font-family:var(--font-titre);font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.fly-step h3 b{color:var(--jaune-aero);font-weight:700}
.fly-step p{color:var(--gris-instrument);font-size:16px;max-width:440px;margin-bottom:18px}
.fly-step .feat{display:flex;flex-wrap:wrap;gap:9px}

.fly-foot{margin-top:34px}
.fly-dots{display:flex;gap:0;margin-bottom:14px}
.fly-dot{flex:1;text-align:left;font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-instrument);padding-bottom:10px;border-bottom:2px solid var(--ligne);transition:color .3s,border-color .3s}
.fly-dot.active{color:var(--jaune-aero);border-color:var(--jaune-aero)}
.fly-progress{height:3px;background:var(--acier);border-radius:3px;overflow:hidden}
.fly-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--vert-hud),var(--jaune-aero));box-shadow:0 0 12px rgba(230,231,12,.5)}

@media(max-width:860px){
  .fly{height:300vh}
  .fly-grid{grid-template-columns:1fr;gap:28px}
  .fly-visual{order:-1}
  .fly-steps{min-height:280px}
  .fly-step .phase-no{font-size:48px}
}
@media(prefers-reduced-motion:reduce){
  .fly{height:auto}
  .fly-stage{position:relative;min-height:0;height:auto;padding:60px 0}
  .fly-inner{min-height:0;display:block;padding-top:0;padding-bottom:0}
  .fly-step{position:relative;opacity:1;transform:none;margin-bottom:30px}
}

/* ===========================================================
   CONNECTIVITÉ — pont physique ⇄ numérique
   =========================================================== */
.bridge-stage{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:0;align-items:stretch;margin-top:8px}
.bridge-node{border:1px solid var(--ligne);border-radius:var(--r-md);background:linear-gradient(180deg,var(--anthracite),rgba(20,25,29,.5));padding:30px 26px;position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center}
.bridge-node.hw{border-left:3px solid var(--jaune-aero)}
.bridge-node.sw{border-right:3px solid var(--vert-hud)}
.bridge-node .bn-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px;display:inline-flex;align-items:center;gap:8px}
.bridge-node.hw .bn-tag{color:var(--jaune-aero)}
.bridge-node.sw .bn-tag{color:var(--vert-hud)}
.bridge-node .bn-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}
.bridge-node .bn-ico{width:50px;height:50px;border:1px solid var(--ligne);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.bridge-node .bn-ico svg{width:28px;height:28px;fill:none;stroke-width:1.6}
.bridge-node.hw .bn-ico svg{stroke:var(--jaune-aero)}
.bridge-node.sw .bn-ico svg{stroke:var(--vert-hud)}
.bridge-node h3{font-family:var(--font-titre);font-weight:600;text-transform:uppercase;letter-spacing:.5px;font-size:20px;margin-bottom:14px}
.bridge-node ul{list-style:none}
.bridge-node li{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;color:var(--gris-instrument);padding:5px 0 5px 16px;position:relative;text-transform:uppercase}
.bridge-node li::before{content:"›";position:absolute;left:0;color:var(--cyan-radar)}

.bridge-link{position:relative;min-height:220px;margin:0 -1px}
#bridge-canvas{position:absolute;inset:0;width:100%;height:100%}
.flow-label{position:absolute;left:0;right:0;text-align:center;font-family:var(--font-mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;pointer-events:none}
.flow-label.up{top:24%;color:var(--jaune-aero)}
.flow-label.down{bottom:24%;color:var(--vert-hud)}
.bridge-sync{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;font-family:var(--font-mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-instrument);background:var(--noir-carbone);border:1px solid var(--ligne);border-radius:20px;padding:6px 14px;white-space:nowrap}
.bridge-sync b{color:var(--cyan-radar);font-weight:400}

.bridge-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:46px;text-align:center}
.bridge-foot .bf .n{font-family:var(--font-display);font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--jaune-aero)}
.bridge-foot .bf .l{font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gris-instrument);margin-top:6px}

@media(max-width:860px){
  .bridge-stage{grid-template-columns:1fr}
  .bridge-link{min-height:130px}
  .flow-label.up{top:14%}.flow-label.down{bottom:14%}
}
@media(max-width:560px){
  .bridge-foot{grid-template-columns:1fr;gap:16px}
}

/* ---------- Accessibilité : réduire les animations ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  #boot{display:none}
}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .grid-3,.grid-2,.stats{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{min-height:auto}
}
@media(max-width:560px){
  .grid-3,.grid-2,.stats,.form-row{grid-template-columns:1fr}
  section{padding:60px 0}
  .nav-cta{display:none}
}

/* ===========================================================
   DURCISSEMENT MOBILE
   =========================================================== */
/* Anti-débordement horizontal global.
   NB : on utilise overflow-x:clip (et non hidden) car hidden ferait du body
   un conteneur de défilement et casserait position:sticky (section « en vol »). */
html,body{max-width:100%;overflow-x:clip}
*{min-width:0}
img,svg,canvas,video{max-width:100%}

@media(max-width:860px){
  .wrap{padding:0 20px}
  /* le tilt 3D des cartes ne doit pas casser la mise en page tactile */
  .card{transform:none!important}
  /* background-attachment:fixed est coûteux sur mobile */
  body{background-attachment:scroll}
}

@media(max-width:640px){
  /* Hero : plein écran maîtrisé, boutons tactiles pleine largeur */
  .hero{min-height:88vh;min-height:88svh}
  .hero-inner{padding:96px 0 70px}
  .hero h1.kinetic{font-size:clamp(30px,8vw,46px);line-height:1.04}
  .hero .lead{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%;text-align:center;padding:15px 22px}
  .hero-status{font-size:11px}

  /* Sections plus compactes */
  h2.sec{font-size:clamp(24px,7vw,32px)}
  .sec-desc{font-size:15px;margin-bottom:30px}
  .page-head{padding:64px 0 40px}
  .page-head p{font-size:16px}

  /* Cartes & boutons */
  .card{padding:24px 20px}
  .btn{padding:14px 22px}
  .panel{padding:22px}

  /* Connectivité : empilé, flux vertical lisible */
  .bridge-node{padding:24px 20px}
  .bridge-link{min-height:120px}
  .bridge-sync{font-size:9px;padding:5px 10px}
  .flow-label{font-size:9px}

  /* Scrollytelling : un peu plus court, lisible */
  .fly{height:280vh}
  .fly-head{margin-bottom:24px}
  .fly-step h3{font-size:clamp(20px,6vw,26px)}
  .fly-step p{font-size:15px}
  .fly-dot{font-size:9px;letter-spacing:.5px}
  .fly-telemetry .big{font-size:30px}

  /* HUD télémétrie */
  .hud{padding:20px}
  .hud .big{font-size:30px}

  /* Stats */
  .stat .num{font-size:clamp(28px,9vw,38px)}

  /* Footer en colonne */
  .foot-grid{flex-direction:column;gap:24px}
  .foot-bottom{flex-direction:column;gap:8px;text-align:center;justify-content:center}

  /* Bouton retour-haut un peu plus accessible */
  #to-top{right:16px;bottom:16px}
}

@media(max-width:400px){
  .wrap{padding:0 16px}
  .brand .word{font-size:17px;letter-spacing:2px}
  .nav-inner{height:62px}
  .hero h1.kinetic{font-size:clamp(26px,8vw,38px)}
  .fly-dots{gap:4px}
}

/* Appareils tactiles : pas de halo curseur ni de survol persistant */
@media(hover:none){
  #glow{display:none!important}
  .card::after{display:none}
}