/* ============================================================
   PRISM STORE — feuille de style unique
   Palette heritee du brandkit AstraFX (violet -> cyan).
   ============================================================ */

:root{
  --night:#0B0B1A;
  --surface:#14142B;
  --surface-2:#1B1B38;
  --violet:#7C3AED;
  --cyan:#22D3EE;
  --magenta:#E879F9;
  --gold:#FACC15;
  --green:#34D399;
  --text:#E5E7FF;
  --muted:#9CA3C4;

  --line:rgba(229,231,255,.10);
  --line-hi:rgba(229,231,255,.20);

  --grad:linear-gradient(120deg,var(--violet),var(--cyan));
  --grad-soft:linear-gradient(120deg,rgba(124,58,237,.18),rgba(34,211,238,.18));

  --wrap:1180px;
  --r:16px;
  --r-lg:22px;

  --f-title:"Orbitron","Exo 2",system-ui,sans-serif;
  --f-body:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  background:var(--night);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--f-title);line-height:1.15;font-weight:800;letter-spacing:-.01em}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}

.skip-link{
  position:absolute;left:-9999px;top:12px;z-index:200;
  background:var(--violet);color:#fff;padding:10px 18px;border-radius:8px;
}
.skip-link:focus{left:24px}

/* ---------- boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.95rem;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),
             background .25s var(--ease),border-color .25s var(--ease);
}
.btn--sm{padding:9px 18px;font-size:.85rem}

.btn--primary{
  background:var(--grad);color:#fff;
  box-shadow:0 8px 26px -10px rgba(124,58,237,.9);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(124,58,237,1)}

.btn--ghost{
  border-color:var(--line-hi);color:var(--text);
  background:rgba(229,231,255,.03);
}
.btn--ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.08);transform:translateY(-2px)}

/* lien desactive (URL vide dans links.js) */
.is-disabled{opacity:.4;pointer-events:none;cursor:default}

.eyebrow{
  font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}

/* ---------- marque ---------- */
.brand{display:inline-flex;align-items:center;gap:11px}
.brand__mark{
  width:32px;height:26px;flex:none;
  background:url("../img/logo.svg") center/contain no-repeat;
  filter:drop-shadow(0 0 10px rgba(124,58,237,.55));
}
.brand__txt{font-family:var(--f-title);font-weight:800;font-size:1.05rem;letter-spacing:.02em}
.brand__txt span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- navigation ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(11,11,26,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav__in{display:flex;align-items:center;gap:28px;height:72px}
.nav__links{display:flex;gap:30px;margin-left:auto;font-size:.92rem;font-weight:500}
.nav__links a{color:var(--muted);position:relative;padding:4px 0;transition:color .2s}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad);transition:width .28s var(--ease);
}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{width:100%}

.burger{
  display:none;flex-direction:column;gap:5px;background:none;border:0;
  padding:8px;cursor:pointer;margin-left:auto;
}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mnav{
  display:flex;flex-direction:column;
  background:rgba(11,11,26,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.mnav a{padding:16px 24px;border-top:1px solid var(--line);font-weight:500}
.mnav a:active{background:rgba(124,58,237,.15)}
.mnav[hidden]{display:none}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;padding:180px 0 130px;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-1}

/* faisceau de lumiere entrant */
.beam{
  position:absolute;top:-40%;left:50%;width:120vw;height:120vh;
  transform:translateX(-50%);
  background:
    radial-gradient(48% 42% at 22% 18%,rgba(124,58,237,.42),transparent 68%),
    radial-gradient(42% 38% at 80% 26%,rgba(34,211,238,.30),transparent 70%),
    radial-gradient(38% 34% at 55% 74%,rgba(232,121,249,.20),transparent 72%);
  filter:blur(28px);
  animation:drift 22s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translateX(-50%) translateY(0) scale(1)}
  to{transform:translateX(-46%) translateY(-32px) scale(1.07)}
}

/* le prisme : triangle en rotation lente */
.prism{
  position:absolute;top:12%;right:6%;
  width:min(430px,52vw);aspect-ratio:1;
  background:conic-gradient(from 210deg,
    rgba(124,58,237,.55),rgba(34,211,238,.5),
    rgba(232,121,249,.45),rgba(124,58,237,.55));
  clip-path:polygon(50% 2%,98% 96%,2% 96%);
  filter:blur(74px);
  opacity:.5;
  animation:spin 40s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* grille de perspective synthwave */
.grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(229,231,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(229,231,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(74% 62% at 50% 34%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(74% 62% at 50% 34%,#000 20%,transparent 78%);
}

.hero__in{position:relative;text-align:center}
.hero__title{
  font-size:clamp(2.3rem,6.4vw,4.5rem);
  margin-bottom:26px;
}
.hero__title em{
  font-style:normal;
  background:linear-gradient(100deg,var(--violet),var(--cyan) 45%,var(--magenta));
  background-size:220% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shift 9s ease-in-out infinite;
}
@keyframes shift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.hero__sub{
  max-width:640px;margin:0 auto 40px;
  color:var(--muted);font-size:clamp(1rem,1.9vw,1.13rem);
}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.stats{
  display:flex;justify-content:center;gap:clamp(24px,7vw,72px);flex-wrap:wrap;
  margin-top:76px;padding-top:36px;border-top:1px solid var(--line);
}
.stats dt{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.stats dd{font-family:var(--f-title);font-size:1.5rem;font-weight:800;margin-top:6px}

/* ============================================================
   SECTIONS
   ============================================================ */
.sec{padding:110px 0;position:relative}
.sec--alt{background:linear-gradient(180deg,transparent,rgba(20,20,43,.75),transparent)}

.sec__head{max-width:640px;margin-bottom:56px}
.sec__head h2{font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:16px}
.sec__lead{color:var(--muted)}

/* ---------- cartes projets ---------- */
.cards{
  display:grid;gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
}
.card{
  position:relative;display:flex;flex-direction:column;gap:20px;
  padding:32px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,var(--surface),rgba(20,20,43,.55));
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
/* liseret degrade en haut de carte, revele au survol */
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.card::after{
  content:"";position:absolute;top:-60%;right:-30%;width:70%;aspect-ratio:1;
  background:var(--grad-soft);border-radius:50%;filter:blur(60px);
  opacity:0;transition:opacity .45s var(--ease);pointer-events:none;
}
.card:hover{
  transform:translateY(-6px);
  border-color:var(--line-hi);
  box-shadow:0 24px 50px -24px rgba(0,0,0,.9);
}
.card:hover::before{transform:scaleX(1)}
.card:hover::after{opacity:1}

.card__art{
  width:72px;height:72px;flex:none;display:grid;place-items:center;
  border-radius:18px;border:1px solid var(--line);
  background:rgba(229,231,255,.035);
}
.card--zenith .card__art{color:var(--cyan)}
.card--astra  .card__art{color:var(--magenta)}
.card--next   .card__art{color:var(--muted)}

.card__body{display:flex;flex-direction:column;gap:14px;flex:1}
.card__top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.card__top h3{font-size:1.4rem}
.card__body>p{color:var(--muted);font-size:.95rem}

.badge{
  font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid currentColor;
}
.badge--live{color:var(--green)}
.badge--soon{color:var(--gold)}
.badge--dev {color:var(--muted)}

.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags li{
  font-size:.75rem;color:var(--muted);
  padding:4px 11px;border-radius:8px;
  background:rgba(229,231,255,.05);border:1px solid var(--line);
}

.card__link{
  margin-top:auto;padding-top:8px;
  font-weight:600;font-size:.92rem;color:var(--cyan);
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
}
.card__link span{transition:transform .25s var(--ease)}
.card__link:hover span{transform:translateX(5px)}

/* ---------- formulaire "etre prevenu" ---------- */
.notify{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.notify__row{display:flex;gap:8px;flex-wrap:wrap}

.notify__input{
  flex:1 1 150px;min-width:0;
  padding:12px 15px;border-radius:999px;
  background:rgba(11,11,26,.7);
  border:1px solid var(--line-hi);
  color:var(--text);font:inherit;font-size:.9rem;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.notify__input::placeholder{color:var(--muted)}
.notify__input:focus{outline:none;border-color:var(--cyan);background:rgba(11,11,26,.95)}
.notify__input:disabled{opacity:.5}

/* Le rouge natif du navigateur s'affiche des le chargement sur un champ
   vide : on ne le montre qu'apres une tentative d'envoi (classe posee en JS). */
.notify.was-submitted .notify__input:invalid{border-color:var(--danger,#F43F5E)}

.notify__msg{font-size:.84rem;min-height:1.2em;margin:0}
.notify__msg.is-ok{color:var(--green)}
.notify__msg.is-err{color:#F43F5E}

/* Piege a robots : invisible, mais pas display:none — certains bots
   ignorent les champs caches de cette maniere. */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- a propos ---------- */
.about{display:grid;gap:56px;grid-template-columns:1fr 1fr;align-items:start}
.about__txt h2{font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:20px}
.about__txt p{color:var(--muted);margin-bottom:16px}

.pillars{display:flex;flex-direction:column;gap:18px}
/* La barre d'accent est un pseudo-element : `border-image` aurait colore
   les quatre cotes d'un coup, pas seulement le bord gauche. */
.pillars li{
  position:relative;overflow:hidden;
  padding:24px 26px 24px 30px;border-radius:var(--r);
  background:rgba(20,20,43,.6);border:1px solid var(--line);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.pillars li::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--violet),var(--cyan));
}
.pillars li:hover{transform:translateX(6px);background:rgba(27,27,56,.85)}
.pillars h3{font-size:1.05rem;margin-bottom:7px}
.pillars p{color:var(--muted);font-size:.92rem}

/* ---------- cartes contact ---------- */
.mails{
  display:grid;gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(268px,1fr));
}
.mail{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:7px;
  padding:26px 26px 26px 30px;border-radius:var(--r);
  background:rgba(20,20,43,.6);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.mail::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--violet),var(--cyan));
  transform:scaleY(.35);transform-origin:top;
  transition:transform .35s var(--ease);
}
.mail:hover{
  transform:translateY(-4px);
  border-color:var(--line-hi);
  background:rgba(27,27,56,.85);
}
.mail:hover::before{transform:scaleY(1)}

.mail__tag{
  font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);
}
.mail__addr{
  font-family:var(--f-title);font-weight:600;
  /* Les adresses sont longues : on autorise la coupure plutot que
     de laisser deborder la carte sur mobile. */
  font-size:clamp(.82rem,2.4vw,.98rem);
  word-break:break-word;
}
.mail__desc{color:var(--muted);font-size:.88rem}

/* ---------- bandeau CTA ---------- */
.cta{padding:100px 0}
.cta__in{
  text-align:center;padding:64px 32px;border-radius:var(--r-lg);
  background:
    radial-gradient(60% 100% at 50% 0%,rgba(124,58,237,.22),transparent 70%),
    linear-gradient(160deg,var(--surface),rgba(11,11,26,.9));
  border:1px solid var(--line-hi);
}
.cta__in h2{font-size:clamp(1.6rem,3.6vw,2.3rem);margin-bottom:14px}
.cta__in>p{color:var(--muted);max-width:520px;margin:0 auto 32px}
.cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- pied de page ---------- */
.foot{border-top:1px solid var(--line);padding-top:64px;background:rgba(11,11,26,.6)}
.foot__in{
  display:grid;gap:40px;
  grid-template-columns:2fr 1fr 1fr 1fr;
  padding-bottom:48px;
}
.foot__brand p{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:280px}
.foot__col{display:flex;flex-direction:column;gap:11px}
.foot__col h4{font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text);margin-bottom:6px}
.foot__col a{color:var(--muted);font-size:.9rem;transition:color .2s,transform .2s}
.foot__col a:hover{color:var(--cyan)}

.foot__bar{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-block:22px;border-top:1px solid var(--line);
  color:var(--muted);font-size:.82rem;
}

/* ============================================================
   ANIMATIONS D'APPARITION
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .about{grid-template-columns:1fr;gap:36px}
  .foot__in{grid-template-columns:1fr 1fr}
}

@media (max-width:760px){
  .nav__links,.nav__cta{display:none}
  .burger{display:flex}
  .hero{padding:140px 0 90px}
  .sec{padding:80px 0}
  .card{padding:26px}
  .cta__in{padding:44px 22px}
  .stats{margin-top:52px;gap:28px}
}

@media (max-width:520px){
  .foot__in{grid-template-columns:1fr;gap:30px}
  .btn{width:100%}
  .hero__cta,.cta__btns{flex-direction:column}
  .prism{opacity:.35}
}

/* ---------- accessibilite : mouvement reduit ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}