/* ============================================================
   GERORO — Bandeau de navigation
   Palette dérivée du logo : navy spatial + bleu électrique + blanc
   ============================================================ */

:root {
  --gr-space:      #070c1e;
  --gr-nav-bg:     rgba(9, 15, 38, 0.78);
  --gr-navy-deep:  #0a1233;
  --gr-navy:       #0f1c4d;
  --gr-blue:       #2f6bff;
  --gr-blue-2:     #1a4fe0;
  --gr-blue-br:    #5b8dff;
  --gr-blue-soft:  #9fc0ff;
  --gr-white:      #eaf1ff;
  --gr-muted:      #8493bd;
  --gr-line:       rgba(91, 141, 255, 0.16);
  --gr-line-2:     rgba(91, 141, 255, 0.30);
  --gr-radius:     12px;
  --gr-h:          72px;
  --gr-font-ui:    "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gr-font-word:  "Exo 2", var(--gr-font-ui);
}

* { box-sizing: border-box; }

/* ---------- Barre ---------- */
.gr-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--gr-nav-bg);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--gr-line);
}
.gr-nav::after {            /* fine lueur bleue sous la barre */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gr-blue) 50%, transparent);
  opacity: .55;
}

.gr-nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  height: var(--gr-h);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.gr-nav__left  { display: flex; align-items: center; gap: 34px; min-width: 0; }
.gr-nav__right { display: flex; align-items: center; gap: 14px; }

/* ---------- Marque / logo ---------- */
.gr-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}
.gr-brand__logo {
  padding:2px;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 50% 35%, var(--gr-navy) 0%, var(--gr-navy-deep) 100%);
  border: 2px solid var(--gr-line-2);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.gr-brand:hover .gr-brand__logo {
  border-color: var(--gr-blue);
  box-shadow: 0 0 18px -4px var(--gr-blue);
}
.gr-brand__logo img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.gr-brand__logo-tag {
  font: 700 9px/1 var(--gr-font-ui);
  letter-spacing: .12em;
  color: var(--gr-muted);
}
.gr-brand__word {
  font: italic 800 24px/1 var(--gr-font-word);
  letter-spacing: .04em;
  background: linear-gradient(180deg, #ffffff 30%, var(--gr-blue-soft) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 1px 12px rgba(47, 107, 255, 0.25);
}

/* ---------- Liens ---------- */
.gr-links { display: flex; align-items: center; gap: 6px; }
.gr-link {
  position: relative;
  padding: 9px 14px;
  font: 500 15px/1 var(--gr-font-ui);
  color: var(--gr-muted);
  text-decoration: none;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.gr-link::after {          /* soulignement-lueur (signature : éclat de l'anneau) */
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--gr-blue), var(--gr-blue-br));
  box-shadow: 0 0 10px -1px var(--gr-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s cubic-bezier(.4,.6,.3,1);
}
.gr-link:hover { color: var(--gr-white); }
.gr-link:hover::after { transform: scaleX(1); }
.gr-link.is-active { color: var(--gr-white); }
.gr-link.is-active::after { transform: scaleX(1); }

/* ---------- Sélecteur de langue ---------- */
.gr-lang { position: relative; }
.gr-lang__btn {
  display: flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--gr-line);
  border-radius: var(--gr-radius);
  color: var(--gr-white);
  font: 600 14px/1 var(--gr-font-ui);
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.gr-lang__btn:hover { border-color: var(--gr-line-2); background: rgba(255,255,255,.06); }
.gr-lang__btn svg { width: 17px; height: 17px; color: var(--gr-blue-soft); }
.gr-lang__chev { transition: transform .2s ease; }
.gr-lang.is-open .gr-lang__chev { transform: rotate(180deg); }

.gr-lang__menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 176px;
  padding: 6px;
  background: rgba(11, 18, 46, 0.96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--gr-line-2);
  border-radius: 14px;
  box-shadow: 0 18px 40px -12px rgba(0,0,0,.7), 0 0 0 1px rgba(47,107,255,.06);
  display: grid; gap: 2px;
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.gr-lang.is-open .gr-lang__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.gr-lang__opt {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px;
  background: none; border: 0; width: 100%;
  border-radius: 9px;
  color: var(--gr-muted);
  font: 500 14px/1 var(--gr-font-ui);
  text-align: left; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.gr-lang__opt:hover { background: rgba(47,107,255,.12); color: var(--gr-white); }
.gr-lang__opt.is-active { color: var(--gr-white); }
.gr-lang__opt .gr-check { width: 15px; height: 15px; color: var(--gr-blue-br); opacity: 0; }
.gr-lang__opt.is-active .gr-check { opacity: 1; }
.gr-lang__opt small { color: var(--gr-muted); font-weight: 500; }

/* ---------- Bouton Discord ---------- */
.gr-discord {
  display: flex; align-items: center; gap: 9px;
  height: 42px; padding: 0 18px;
  border-radius: var(--gr-radius);
  background: linear-gradient(135deg, var(--gr-blue) 0%, var(--gr-blue-2) 100%);
  color: #fff;
  font: 600 14.5px/1 var(--gr-font-ui);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 6px 20px -6px rgba(47,107,255,.6);
  transition: transform .18s ease, box-shadow .22s ease;
}
.gr-discord:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px -6px rgba(47,107,255,.85);
}
.gr-discord:active { transform: translateY(0); }
.gr-discord svg { width: 21px; height: 21px; }

/* ---------- Burger (mobile) ---------- */
.gr-burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--gr-line);
  border-radius: var(--gr-radius);
  background: rgba(255,255,255,.03);
  color: var(--gr-white);
  cursor: pointer;
  align-items: center; justify-content: center;
}
.gr-burger svg { width: 22px; height: 22px; }

/* ---------- Panneau mobile ---------- */
.gr-mobile {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px 22px;
  border-top: 1px solid var(--gr-line);
  background: rgba(9, 15, 38, 0.96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.gr-mobile a.gr-link {
  padding: 12px 12px; font-size: 16px;
  color: var(--gr-white);
}
.gr-mobile a.gr-link::after { display: none; }
.gr-mobile .gr-discord { height: 48px; justify-content: center; margin-top: 8px; }
.gr-mobile__sep { height: 1px; background: var(--gr-line); margin: 6px 0; }

/* ---------- Focus accessible ---------- */
.gr-link:focus-visible,
.gr-lang__btn:focus-visible,
.gr-lang__opt:focus-visible,
.gr-discord:focus-visible,
.gr-burger:focus-visible,
.gr-brand:focus-visible {
  outline: 2px solid var(--gr-blue-br);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .gr-nav__left .gr-links { display: none; }
  .gr-lang, .gr-discord  { display: none; }
  .gr-burger { display: flex; }
  .gr-nav.is-open .gr-mobile { display: flex; }
  .gr-nav__inner { padding: 0 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}