/* =========================================================================
   shared.css — Inframundis v3
   Tokens, nav y footer compartidos entre index, reglas, deckbuilder, simulator.
   Selectores scoped bajo .inframundis-nav / .inframundis-footer para evitar
   colisiones con estilos existentes de cada página.
   ========================================================================= */

:root {
  --if-negro:    #080a0e;
  --if-oscuro:   #0d1218;
  --if-carbon:   #141b22;
  --if-gris:     #1e2830;
  --if-gris-md:  #2a3540;
  --if-gris-lt:  #3a4a58;
  --if-blanco:   #e8eef4;
  --if-blanco-d: #a8b8c8;
  --if-blanco-m: #7a8898;
  --if-azul:     #4a9ebb;
  --if-azul-br:  #6fc4e0;
  --if-azul-dk:  #1a3a4a;
  --if-naranja:  #e07840;
  --if-naranja-br:#f0a060;
  --if-dorado:   #c9a558;
  --if-violeta:  #8b6bc7;
}

/* ===== NAV ===== */
.inframundis-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 2rem;
  background: linear-gradient(180deg, rgba(8,10,14,.95) 0%, rgba(8,10,14,.6) 70%, transparent 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: 'Inter', sans-serif;
}
.inframundis-nav .logo {
  font-family: 'Marcellus', 'Cinzel', serif;
  color: var(--if-blanco);
  font-size: 1.25rem;
  letter-spacing: .2em;
  font-weight: 600;
  text-decoration: none;
}
.inframundis-nav .logo span { color: var(--if-azul-br); }
.inframundis-nav .nav-links { display: flex; gap: 2.2rem; }
.inframundis-nav .nav-links a {
  color: #b8c4d4;
  font-family: 'Inter', sans-serif;
  font-size: .82rem;
  letter-spacing: .15em;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  transition: color .3s;
}
.inframundis-nav .nav-links a:hover,
.inframundis-nav .nav-links a.active { color: var(--if-azul-br); }
.inframundis-nav .nav-links a.active { font-weight: 700; }
.inframundis-nav .nav-cta {
  color: var(--if-negro) !important;
  background: var(--if-azul-br);
  padding: .65rem 1.4rem;
  font-family: 'Inter', sans-serif;
  font-size: .8rem;
  letter-spacing: .15em;
  font-weight: 700;
  border: 1px solid var(--if-azul-br);
  text-decoration: none;
  transition: all .3s;
}
.inframundis-nav .nav-cta:hover {
  background: transparent;
  color: var(--if-azul-br) !important;
}

/* Hamburguesa */
.inframundis-nav .nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: .4rem;
  color: var(--if-blanco); width: 40px; height: 40px;
  align-items: center; justify-content: center;
}
.inframundis-nav .nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--if-blanco);
  position: relative; transition: all .3s;
}
.inframundis-nav .nav-toggle span::before,
.inframundis-nav .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: var(--if-blanco);
  transition: all .3s;
}
.inframundis-nav .nav-toggle span::before { top: -7px; }
.inframundis-nav .nav-toggle span::after { top: 7px; }
body.nav-open .inframundis-nav .nav-toggle span { background: transparent; }
body.nav-open .inframundis-nav .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .inframundis-nav .nav-toggle span::after { top: 0; transform: rotate(-45deg); }
body.nav-open { overflow: hidden; }

@media (max-width: 900px) {
  .inframundis-nav { padding: 1rem 1.25rem; }
  .inframundis-nav .nav-toggle { display: inline-flex; }
  .inframundis-nav .nav-links {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    background: rgba(8,10,14,.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    flex-direction: column; gap: 0; padding: 1.25rem 1.5rem 2rem; align-items: stretch;
    transform: translateX(100%); transition: transform .35s ease;
    z-index: 45; overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  body.nav-open .inframundis-nav .nav-links { transform: translateX(0); }
  .inframundis-nav .nav-links a {
    font-size: 1.05rem; padding: .85rem 0; width: 100%;
    border-bottom: 1px solid rgba(255,255,255,.06); letter-spacing: .12em;
  }
  .inframundis-nav .nav-links a:last-child { border-bottom: none; }
  .inframundis-nav .nav-cta { padding: .5rem 1rem; font-size: .72rem; }
}
@media (max-width: 900px) and (max-height: 640px) {
  .inframundis-nav .nav-links a { font-size: .95rem; padding: .7rem 0; }
}

/* ===== FOOTER ===== */
.inframundis-footer {
  background: var(--if-negro);
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 4rem 2rem 2rem;
  font-family: 'Cormorant Garamond', 'Georgia', serif;
  color: var(--if-blanco-d);
}
.inframundis-footer .inner {
  max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column;
  align-items: center; gap: 2rem; text-align: center;
}
.inframundis-footer .logo {
  font-family: 'Marcellus', 'Cinzel', serif;
  color: var(--if-blanco);
  font-size: 1.25rem;
  letter-spacing: .2em;
  font-weight: 600;
}
.inframundis-footer .logo span { color: var(--if-azul-br); }
.inframundis-footer .tagline {
  font-style: italic;
  color: var(--if-blanco-m);
  max-width: 500px;
  font-weight: 500;
}
.inframundis-footer .links {
  display: flex; flex-wrap: wrap; gap: 2.5rem; justify-content: center;
}
.inframundis-footer .links a {
  font-family: 'Marcellus', 'Cinzel', serif;
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--if-blanco-m);
  text-decoration: none;
  transition: color .3s;
}
.inframundis-footer .links a:hover { color: var(--if-azul-br); }
.inframundis-footer .copyright {
  margin-top: 2rem; padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.05);
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: .7rem; letter-spacing: .2em;
  color: var(--if-gris-lt);
  text-transform: uppercase;
}