/* ========== HEADER ADCE ========== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid #e7e9ee;
  box-shadow: var(--shadow);
  padding-top: env(safe-area-inset-top); /* notch iOS */
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand img{ height: 42px; width: auto }
.brand-text{
  font-weight: 800;
  color: var(--adce-blue);
  font-size: 1.1rem;
  letter-spacing: .4px;
}

/* ===== Navegación (desktop por defecto) ===== */
.nav{ display: flex }
.nav ul{
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a{
  text-decoration: none;
  color: #2a2d33;
  font-weight: 500;
  padding: 12px 10px;          /* tap target ~44px */
  border-radius: 10px;
  line-height: 1;
}
.nav a:hover,
.nav a:focus-visible{ background: var(--muted) }

.nav .btn-cta{
  background: var(--adce-green);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 700;
}
.nav .btn-cta:hover,
.nav .btn-cta:focus-visible{ background: var(--adce-green-dark) }

/* Botón hamburguesa */
.nav-toggle{
  display: none;
  background: none;
  border: 0;
  padding: 12px;
  border-radius: 12px;
}
.nav-toggle:focus-visible{
  outline: 2px solid var(--adce-green);
  outline-offset: 2px;
}
.nav-toggle .bar{
  display: block;
  width: 24px;
  height: 2px;
  background: #1f2330;
  margin: 5px 0;
  border-radius: 2px;
}

/* ====== Breakpoints ====== */
/* Tablets y móviles */
@media (max-width: 900px){
  .header-inner{ height: 64px }
  .brand-text{ display: none }  /* más aire en móvil */

  /* Panel móvil: oculto de verdad cuando está cerrado */
  .nav{
    position: fixed;
    inset: 64px 0 auto 0;
    background: #fff;
    transform: translateY(-120%);
    transition: transform .25s ease, opacity .2s ease;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;      /* clave */
    z-index: 999;              /* bajo el header */
    padding-bottom: env(safe-area-inset-bottom);
  }
  .nav.open{
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav ul{
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 6px;
  }
  .nav a{
    display: block;
    width: 100%;
    padding: 14px 12px;        /* cómodo al tacto */
    line-height: 1.1;
  }
  .nav .btn-cta{
    text-align: center;
    margin-top: 6px;
    border-radius: 12px;
    width: 100%;
  }

  .nav-toggle{ display: block }
}

/* Muy pequeños (≤360px) */
@media (max-width: 360px){
  .header-inner{ gap: 8px }
  .brand img{ height: 36px }
}

/* Monitores grandes */
@media (min-width: 1280px){
  .nav ul{ gap: 28px }
  .brand-text{ font-size: 1.2rem }
}

/* Respeto por usuarios con reducción de movimiento */
@media (prefers-reduced-motion: reduce){
  .nav{ transition: none }
}