/* =========================
   VMSC Header (Premium)
   ========================= */
:root{
  --brand:#184651;
  --accent:#E9FF00;
  --hdr-bg: rgba(7,11,20,.58);
  --hdr-border: rgba(255,255,255,.12);
  --hdr-text: rgba(231,237,246,.92);
  --hdr-muted: rgba(231,237,246,.70);
  --hdr-shadow: 0 18px 50px rgba(0,0,0,.45);
  --radius: 18px;
}

/* sticky header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background:
    linear-gradient(180deg, rgba(24,70,81,.22), rgba(7,11,20,.60)),
    var(--hdr-bg);
  border-bottom: 1px solid var(--hdr-border);
  box-shadow: var(--hdr-shadow);
}

/* subtle “glow strip” */
.site-header::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(233,255,0,.7), transparent);
  opacity:.65;
  pointer-events:none;
}

/* layout */
.site-header .nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 10px 0;
}

/* brand */
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
  position: relative;
}

.brand-logo{
  width: 136px;
  height: auto;
  display:block;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.35));
  transform: translateY(2px);
}

/* menu */
.menu{
  display:flex;
  align-items:center;
  gap: 14px;
  position: relative;
}

.menu > a,
.menu-item > a{
  position: relative;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  color: var(--hdr-text);
  text-decoration:none;
  font-family: "Chakra Petch", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: .2px;
  padding: 10px 10px;
  border-radius: 12px;
  transition: .18s ease;
  white-space: nowrap;
}

.menu > a:hover,
.menu-item > a:hover{
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

/* active */
.menu > a.active{
  color: #0b1220;
  background: rgba(233,255,0,.92);
  box-shadow: 0 10px 24px rgba(233,255,0,.14);
}

.menu > a:not(.active)::after,
.menu-item > a::after{
  content:"";
  position:absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(233,255,0,.75), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: .18s ease;
  opacity:.9;
}
.menu > a:not(.active):hover::after,
.menu-item > a:hover::after{
  transform: scaleX(1);
}

/* dropdown */
.menu-item.has-sub{
  position: relative;
}
.menu-item.has-sub > a i{
  font-size: .85rem;
  opacity: .8;
  transition: transform .18s ease;
}
.menu-item.has-sub:hover > a i{
  transform: rotate(180deg);
}

.submenu{
  position:absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  background: rgba(15,26,43,.96);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  box-shadow: 0 18px 60px rgba(0,0,0,.50);
  padding: 8px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: .18s ease;
}
.menu-item.has-sub:hover .submenu{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.submenu a{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  color: rgba(231,237,246,.92);
  text-decoration:none;
  font-weight: 700;
  transition: .16s ease;
}
.submenu a:hover{
  background: rgba(233,255,0,.10);
  border: 1px solid rgba(233,255,0,.22);
}

/* CTA */
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--accent);
  color: #0b1220 !important;
  font-weight: 900;
  letter-spacing: .6px;
  text-decoration:none;
  box-shadow:
    0 12px 28px rgba(233,255,0,.14),
    0 0 0 1px rgba(233,255,0,.35);
  transition: .18s ease;
}
.nav-cta:hover{
  transform: translateY(-1px);
  filter: brightness(.98);
}

/* burger */
.burger{
  display:none;
  width: 46px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--hdr-text);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:.18s ease;
}
.burger:hover{ background: rgba(255,255,255,.10); transform: translateY(-1px); }
.burger i{ font-size: 1.05rem; }

/* =========================
   Mobile
   ========================= */
@media (max-width: 860px){
  .site-header .nav{
    padding: 10px 0;
  }

  .burger{
    display:flex;
    margin-left: 6px;
  }

  /* convert menu into dropdown sheet */
  .menu{
    position: absolute;
    right: 14px;
    top: calc(100% + 10px);
    width: min(420px, calc(100vw - 28px));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    background: rgba(15,26,43,.96);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 22px 70px rgba(0,0,0,.55);
    z-index: 1001;
  }

  .menu.open{ display:flex; }

  .menu > a,
  .menu-item > a{
    width:100%;
    justify-content: space-between;
    padding: 12px 12px;
    border-radius: 14px;
    background: rgba(255,255,255,.04);
  }

  .menu > a.active{
    background: rgba(233,255,0,.92);
  }

  .submenu{
    position: static;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 14px;
    box-shadow: none;
    display:none;
  }

  .menu-item.has-sub.open .submenu{ display:block; }

  .nav-cta{
    width: 100%;
    padding: 12px 14px;
  }

  .brand-logo{ width: 128px; }
}

/* Desktop click-open */
@media (min-width: 861px){
  .menu-item.has-sub.open .submenu{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

/* FORCE: burger visible in mobile */
@media (max-width: 860px){
  .site-header .nav{
    position: relative;
  }

  .site-header .burger{
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.06);
    z-index: 2002;
  }

  /* Ensure the menu doesn't cover the burger */
  .site-header .menu{
    position: absolute;
    right: 14px;
    top: calc(100% + 10px);
    z-index: 2001;
  }
}
/* ===== FIX: REGISTER CTA color on mobile ===== */
@media (max-width: 860px){

  /* Asegura que el CTA conserve su estilo */
  .menu .nav-cta{
    background: var(--accent) !important;
    color: #0b1220 !important;
    border: 0 !important;
    box-shadow:
      0 12px 28px rgba(233,255,0,.18),
      0 0 0 1px rgba(233,255,0,.45) !important;
  }

  /* Evita que reglas generales del menú lo “apaguen” */
  .menu > a.nav-cta{
    background: var(--accent) !important;
  }

  /* Hover / tap */
  .menu .nav-cta:hover,
  .menu .nav-cta:active{
    filter: brightness(.96);
    transform: translateY(-1px);
  }
}