/* ===========================
   Variables y transición
   =========================== */
:root{
  --header-primary: #00f0ff;
  --header-secondary: #7b2dff;
  --header-dark: #0a0a1a;
  --header-darker: #050510;
  --header-light: #f0f0f0;
  --header-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);

  /* La altura real del header la setea header.js en runtime */
  --header-h: 80px; /* fallback */
}

/* Cuando el header es fijo, el body reserva espacio arriba
   (se agrega la clase has-fixed-header desde header.js) */
body.has-fixed-header{
  padding-top: var(--header-h);
}

/* ===========================
   Contenedor principal
   =========================== */
.main-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(123, 45, 255, 0.1);
  transition: var(--header-transition);
  box-sizing: border-box;
}

/* Partículas decorativas del header; no deben bloquear clics */
.header-particles{
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .3;
  pointer-events: none;
}

.header-container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  max-width: 1400px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* ===========================
   Logo
   =========================== */
.logo-link{
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--header-transition);
}

.logo-image{
  height: 50px;
  width: auto;
  display: block;
  transition: transform .3s ease;
}

.logo-text{ display:flex; flex-direction:column; }
.logo-name{
  font-weight: 700;
  font-size: 1.2rem;
  background: linear-gradient(90deg, var(--header-primary), var(--header-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.logo-slogan{
  font-size: .65rem;
  color: var(--header-light);
  opacity: .8;
  letter-spacing: 1px;
}

.logo-link:hover .logo-image{ transform: scale(1.05); }

/* ===========================
   Navegación desktop
   =========================== */
.main-nav{ display:flex; }

.nav-list{
  display: flex;
  list-style: none;
  margin: 0; padding: 0;
}

.nav-item{ position:relative; margin: 0 1rem; }

.nav-link{
  position: relative;
  color: var(--header-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: .5rem 0;
  transition: var(--header-transition);
}
.nav-link--active{
  color: var(--header-primary);
}
.nav-link--active::before{
  width: 100%;
}

.nav-link::before{
  content: attr(data-text);
  position: absolute;
  inset: 0 auto auto 0;
  width: 0;
  overflow: hidden;
  color: var(--header-primary);
  transition: var(--header-transition);
}
.nav-link:hover::before{ width: 100%; }

.nav-underline{
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--header-primary), var(--header-secondary));
  transition: var(--header-transition);
}
.nav-item:hover .nav-underline{ width: 100%; }

/* CTA del header */
.header-cta{
  background: linear-gradient(45deg, var(--header-primary), var(--header-secondary));
  color: var(--header-dark);
  font-weight: 600;
  padding: .6rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  margin-left: 2rem;
  transition: var(--header-transition);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}
.header-cta:hover{
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
}

/* Efecto al hacer scroll */
.header-scrolled{
  background: rgba(5,5,16,.95);
  box-shadow: 0 5px 20px rgba(0,0,0,.2);
  border-bottom: 1px solid rgba(123,45,255,.2);
}

/* ===========================
   Menú móvil
   =========================== */
.mobile-menu-button{
  display:none;
  background:none;
  border:none;
  cursor:pointer;
  padding:.5rem;
  z-index: 1002; /* por encima del menú */
}

.menu-line{
  display:block;
  width:25px; height:2px;
  background: var(--header-light);
  margin:5px 0;
  transition: var(--header-transition);
}

/* El off-canvas se posiciona DEBAJO del header */
.mobile-menu{
  position: fixed;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: calc(100vh - var(--header-h));
  top: var(--header-h);
  background: var(--header-darker);
  z-index: 1001; /* por encima del header */
  transition: var(--header-transition);
  padding: 2rem;
  box-shadow: -5px 0 15px rgba(0,0,0,.3);
  overflow-y: auto;
}

.mobile-menu.active{ right: 0; }

.mobile-nav-list{ list-style:none; padding:0; margin:0; }
.mobile-nav-link{
  display:block;
  color: var(--header-light);
  text-decoration:none;
  padding:1rem 0;
  font-size:1.2rem;
  border-bottom: 1px solid rgba(123,45,255,.1);
  transition: var(--header-transition);
}
.mobile-nav-link--active{
  color: var(--header-primary);
}
.mobile-nav-link:hover{ color: var(--header-primary); padding-left: .5rem; }

/* Animación del botón hamburguesa */
.mobile-menu-button.active .menu-line:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.mobile-menu-button.active .menu-line:nth-child(2){ opacity: 0; }
.mobile-menu-button.active .menu-line:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   Responsivo
   =========================== */
@media (max-width: 992px){
  .main-nav{ display: none; }
  .header-cta{ margin-left: auto; margin-right: 1rem; }
  .mobile-menu-button{ display: block; }
  /* Asegurar offset correcto si cambia la altura */
  .mobile-menu{
    top: var(--header-h);
    height: calc(100vh - var(--header-h));
  }
}

@media (max-width: 768px){
  .logo-image{ height: 40px; }
  /* Puedes ocultar el texto del logo si quieres:
     .logo-text{ display:none; } */
}

.desktop-cta { display: inline-block; }
.mobile-cta { display: none; }

@media (max-width: 992px){
  .desktop-cta { display: none !important; }
  .mobile-cta { display: block !important; }
}