/* ==========================================================================
   NeXtaZy Universe — socle commun aux trois univers
   ========================================================================== */

:root{
  --a1:#7B5CFF;
  --a2:#18E3C8;
  --a3:#FF3D9A;

  --void:#06060A;
  --ink:#0B0B12;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10);
  --txt:#EFEFF5;
  --dim:#9A9AAE;
  --faint:#61617A;

  --display:'Syne',system-ui,sans-serif;
  --body:'Space Grotesk',system-ui,sans-serif;

  --nrg:0;              /* énergie audio 0→1, pilotée par le lecteur */
  --pad:clamp(22px,5.2vw,64px);
  --shell:min(1120px,calc(100vw - var(--pad) * 2));
  --r:18px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--void);
  color:var(--txt);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.08;margin:0;letter-spacing:-.02em}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--a2);outline-offset:3px;border-radius:4px}
::selection{background:var(--a1);color:#fff}

.shell{width:var(--shell);margin-inline:auto}
.hide{display:none !important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Lumières d'ambiance type barres RGB ------------------------- */
.govee{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.govee b{
  position:absolute;display:block;filter:blur(70px);
  opacity:calc(.34 + var(--nrg) * .5);
  transition:opacity .12s linear;
  will-change:opacity,transform;
}
.govee .g-top{top:-90px;left:-10%;width:120%;height:190px;
  background:linear-gradient(90deg,var(--a1),var(--a3),var(--a2),var(--a1));
  background-size:300% 100%;animation:slide 22s linear infinite}
.govee .g-bot{bottom:-110px;left:-10%;width:120%;height:200px;
  background:linear-gradient(90deg,var(--a2),var(--a1),var(--a3),var(--a2));
  background-size:300% 100%;animation:slide 28s linear infinite reverse}
.govee .g-left{left:-80px;top:10%;width:150px;height:70%;
  background:linear-gradient(180deg,transparent,var(--a1),transparent);
  animation:breathe 9s ease-in-out infinite}
.govee .g-right{right:-80px;top:5%;width:150px;height:70%;
  background:linear-gradient(180deg,transparent,var(--a2),transparent);
  animation:breathe 11s ease-in-out infinite reverse}
.govee .g-grain{
  position:absolute;inset:0;opacity:.045;filter:none;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes slide{to{background-position:300% 0}}
@keyframes breathe{50%{opacity:.75;transform:scaleY(1.15)}}

.page{position:relative;z-index:1}

/* ---------- Logo marque ------------------------------------------------- */
.brand{
  display:inline-flex;align-items:center;gap:12px;min-width:0;
  font-family:var(--display);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(15px,1.7vw,19px);line-height:1.1;color:var(--txt);
}
.brand-copy{min-width:0;white-space:nowrap}

.brand-mark{
  position:relative;display:grid;place-items:center;flex:none;
  width:42px;height:42px;border-radius:50%;
  background:#050508;
  box-shadow:0 0 0 1px rgba(255,255,255,.08),0 0 28px rgba(123,92,255,.22);
  overflow:hidden;
  animation:nxFloat 5.5s ease-in-out infinite;
}
.brand-mark img{
  width:86%;height:86%;object-fit:contain;display:block;
  filter:drop-shadow(0 0 10px rgba(80,120,255,.25));
}
.brand-mark::after{
  content:"";position:absolute;inset:-20%;
  background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);
  transform:translateX(-120%) rotate(8deg);
  animation:nxShine 5.8s ease-in-out infinite;
  pointer-events:none;
}
.brand-mark--xl{
  width:96px;height:96px;
  box-shadow:0 0 0 1px rgba(255,255,255,.1),0 0 60px rgba(123,92,255,.35),0 0 90px rgba(24,180,255,.18);
  animation:nxFloat 4.8s ease-in-out infinite;
}
.brand-mark--xl::after{animation-duration:4.6s}
.nav .brand-mark{width:40px;height:40px}
.footer .brand-mark{width:44px;height:44px}
@keyframes nxFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-4px)}
}
@keyframes nxShine{
  0%,62%{transform:translateX(-130%) rotate(8deg);opacity:0}
  68%{opacity:.85}
  78%{transform:translateX(130%) rotate(8deg);opacity:0}
  100%{opacity:0}
}

/* ---------- Preloader univers ------------------------------------------ */
.nx-preload{
  position:fixed;inset:0;z-index:9999;display:grid;place-items:center;
  background:radial-gradient(80% 60% at 50% 40%,#12121c 0%,#050508 70%);
  transition:opacity .55s ease,visibility .55s ease;
}
.nx-preload.is-out{opacity:0;visibility:hidden;pointer-events:none}
.nx-preload-card{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center}
.nx-preload-label{
  margin:0;font-family:var(--display);font-weight:700;font-size:13px;
  letter-spacing:.28em;text-transform:uppercase;color:rgba(239,239,245,.55);
}
body.nx-loading{overflow:hidden}

/* ---------- Barre de navigation ---------------------------------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;gap:20px;
  padding:14px var(--pad);
  transition:background .3s,backdrop-filter .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.nav.stuck{background:rgba(6,6,10,.88);backdrop-filter:blur(18px);border-bottom-color:var(--line)}

.nav-links{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:10px 16px;border-radius:99px;font-size:13.5px;font-weight:600;
  color:var(--dim);letter-spacing:.01em;transition:.2s;
}
.nav-links a:hover{color:var(--txt);background:var(--panel-2)}
.nav-links a.on{color:var(--txt);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--line)}
.nav-links a.jump{
  color:#07070c;background:var(--txt);font-weight:700;
}
.nav-links a.jump:hover{background:var(--a2);color:#04120f}
.burger{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--line);align-items:center;justify-content:center;flex:none}
.burger div{width:17px;height:2px;background:var(--txt);position:relative}
.burger div::before,.burger div::after{content:"";position:absolute;left:0;width:17px;height:2px;background:var(--txt)}
.burger div::before{top:-6px}.burger div::after{top:6px}

@media(max-width:820px){
  .nav{padding:12px var(--pad);gap:12px}
  .brand-copy{font-size:14px;white-space:normal;max-width:42vw;line-height:1.15}
  .burger{display:flex}
  .nav-links{
    position:absolute;top:calc(100% + 8px);left:var(--pad);right:var(--pad);
    flex-direction:column;align-items:stretch;
    background:rgba(10,10,16,.97);backdrop-filter:blur(20px);border:1px solid var(--line);
    border-radius:18px;padding:12px;gap:2px;margin:0;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:.22s;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:14px 16px;text-align:left}
}

/* ---------- Éléments de texte récurrents -------------------------------- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--a2);margin-bottom:clamp(16px,2.5vw,26px);
}
.kicker::before{content:"";width:26px;height:1px;background:currentColor;opacity:.6}

.section{padding:clamp(88px,12vw,168px) 0;position:relative}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:clamp(20px,4vw,40px);margin-bottom:clamp(36px,5vw,56px);flex-wrap:wrap;
}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:-.025em;max-width:18ch}
.section-head p{color:var(--dim);max-width:42ch;margin:0;line-height:1.55}

.btn{
  display:inline-flex;align-items:center;gap:11px;
  padding:15px 26px;border-radius:99px;font-weight:700;font-size:14.5px;
  background:var(--txt);color:#07070c;transition:.22s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.btn-ghost{background:transparent;color:var(--txt);box-shadow:inset 0 0 0 1px var(--line)}
.btn-ghost:hover{background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--a1)}
.btn-glow{
  background:linear-gradient(100deg,var(--a1),var(--a3));color:#fff;
  box-shadow:0 10px 40px -8px var(--a1);
}

/* ---------- Cartes ------------------------------------------------------ */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;transition:.25s;position:relative;overflow:hidden;
}
.card:hover{border-color:rgba(255,255,255,.2);background:var(--panel-2)}

/* ---------- Formulaires ------------------------------------------------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.input,textarea.input,select.input{
  width:100%;padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--txt);font-family:var(--body);font-size:15px;transition:.2s;
}
.input:focus{outline:none;border-color:var(--a1);background:rgba(255,255,255,.06);box-shadow:0 0 0 4px rgba(123,92,255,.13)}
textarea.input{min-height:130px;resize:vertical;line-height:1.6}

.notice{padding:14px 18px;border-radius:12px;font-size:14.5px;margin-bottom:20px;border:1px solid}
.notice-ok{background:rgba(24,227,200,.09);border-color:rgba(24,227,200,.35);color:#8ff2e4}
.notice-err{background:rgba(255,61,154,.09);border-color:rgba(255,61,154,.35);color:#ff9ecb}

/* ---------- Passerelles entre univers ----------------------------------- */
.gates{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(14px,2.5vw,22px)}
.gate{
  position:relative;min-height:280px;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);padding:clamp(26px,4vw,36px);display:flex;flex-direction:column;justify-content:flex-end;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .3s,box-shadow .35s;isolation:isolate;
}
.gate::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.5;transition:.4s;
  background:radial-gradient(120% 100% at 20% 100%,var(--gate-c,var(--a1)) 0%,transparent 62%);
}
.gate:hover{transform:translateY(-6px);border-color:var(--gate-c,var(--a1));
  box-shadow:0 28px 60px -28px rgba(0,0,0,.55)}
.gate:hover::after{opacity:.95}
.gate h3{font-size:clamp(24px,3vw,30px);margin-bottom:10px}
.gate p{color:var(--dim);font-size:14.5px;margin:0;line-height:1.55}
.gate .go{margin-top:20px;font-weight:700;font-size:13.5px;color:var(--gate-c,var(--a1));display:inline-flex;gap:8px;align-items:center}
.gate .go::after{content:"→";transition:.25s}
.gate:hover .go::after{transform:translateX(6px)}

/* ---------- Pied de page ------------------------------------------------ */
.footer{border-top:1px solid var(--line);padding:clamp(48px,7vw,72px) 0 clamp(36px,5vw,48px);margin-top:clamp(24px,4vw,48px);position:relative;z-index:1}
.footer-grid{display:flex;justify-content:space-between;gap:clamp(24px,4vw,40px);flex-wrap:wrap;align-items:flex-start}
.socials{display:flex;gap:9px;flex-wrap:wrap}
.socials a{
  padding:9px 16px;border-radius:99px;font-size:13px;font-weight:600;
  box-shadow:inset 0 0 0 1px var(--line);color:var(--dim);transition:.2s;
}
.socials a:hover{color:var(--txt);box-shadow:inset 0 0 0 1px var(--a1);background:var(--panel-2)}
.footer small{color:var(--faint);font-size:12.5px;display:block;margin-top:28px;line-height:1.6}
.footer small a:hover{color:var(--a2)}

/* ---------- Apparition au défilement ------------------------------------ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .brand-mark,.brand-mark::after{animation:none !important}
  .nx-preload{transition:none}
}