/* ==========================================================================
   02 · HEADER
   Barra superior fija, marca (brand) y navegación. Carga después de _legacy.css.
   ========================================================================== */

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 4.5vw, 80px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(5, 8, 23, 0.72);
  backdrop-filter: blur(20px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}
.brand-acti {
  font-size: 1.35rem;
  font-style: italic;
  letter-spacing: -0.09em;
}
.brand-divider {
  width: 1px;
  height: 27px;
  margin: 0 3px;
  background: rgba(255, 255, 255, 0.28);
}
.brand-awards {
  font-size: 0.72rem;
  letter-spacing: 0.09em;
}
.brand-year {
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.8vw, 42px);
  font-size: 0.86rem;
}
.site-nav > a:not(.nav-cta) {
  position: relative;
  color: rgba(255, 255, 255, 0.76);
}
.site-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
  background: var(--cyan);
}
.site-nav > a:not(.nav-cta):hover {
  color: var(--white);
}
.site-nav > a:not(.nav-cta):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  padding: 13px 16px 13px 20px;
  border: 1px solid rgba(65, 229, 255, 0.52);
  border-radius: 999px;
  background: rgba(65, 229, 255, 0.08);
}
.nav-cta span {
  color: var(--cyan);
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 13px 11px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: var(--white);
}
@media (max-width: 820px) {
  .site-header {
    height: 72px;
    padding-right: 20px;
    padding-left: 20px;
  }
  .brand-divider,
  .brand-awards {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .site-nav {
    position: absolute;
    top: 72px;
    right: 0;
    left: 0;
    max-height: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 20px;
    overflow: hidden;
    opacity: 0;
    background: rgba(5, 8, 23, 0.98);
    transition:
      max-height 300ms ease,
      opacity 200ms ease,
      padding 300ms ease;
  }
  .site-nav.is-open {
    max-height: 420px;
    padding-top: 12px;
    padding-bottom: 22px;
    opacity: 1;
    border-bottom: 1px solid var(--line);
  }
  .site-nav > a {
    padding: 15px 4px;
    border-bottom: 1px solid var(--line);
  }
  .site-nav .nav-cta {
    justify-content: space-between;
    margin-top: 14px;
    padding-right: 20px;
    padding-left: 20px;
    border-bottom: 1px solid rgba(65, 229, 255, 0.52);
  }
}
.site-header {
  height: 62px;
  padding: 0 clamp(22px, 4vw, 68px);
  color: #ffffff;
  border-bottom: 1px solid #444444;
  background: #0a0a0a;
}
.brand {
  gap: 12px;
}
.brand-divider {
  height: 24px;
  background: #777777;
}
.brand-year,
.site-nav > a:not(.nav-cta),
.site-nav > a:not(.nav-cta):hover {
  color: #ffffff;
}
.site-nav > a:not(.nav-cta)::after {
  display: none;
}
.nav-cta {
  min-height: 42px;
  padding: 0 20px;
  color: #0a0a0a;
  border: 1px solid #ffffff;
  background: #ffffff;
}
.nav-cta span {
  color: #0a0a0a;
}
@media (max-width: 820px) {
  .site-header {
    height: 72px;
  }
  .site-nav {
    color: #ffffff;
    border-bottom: 1px solid #ffffff;
    background: #0a0a0a;
  }
  .site-nav > a:not(.nav-cta) {
    border-color: #444444;
  }
}
.event-brand {
  width: clamp(132px, 13vw, 185px);
  height: 60px;
  display: flex;
  align-items: center;
}
.event-brand img {
  width: 100%;
  max-height: 55px;
  object-fit: contain;
  object-position: left center;
}
@media (max-width: 640px) {
  .event-brand {
    width: 118px;
    height: 52px;
  }
  .event-brand img {
    max-height: 48px;
  }
}
.button,
.category-item > button,
.menu-toggle,
.site-nav {
  transition:
    color 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    opacity 0.18s ease,
    transform 0.18s ease;
}
@media (max-width: 820px) {
  .site-nav {
    visibility: hidden;
    pointer-events: none;
  }
  .site-nav.is-open {
    visibility: visible;
    pointer-events: auto;
  }
}
.event-brand {
  width: clamp(165px, 17vw, 235px);
}
@media (max-width: 640px) {
  .event-brand {
    width: 145px;
    height: 52px;
  }
}
.site-header {
  border-bottom-color: rgba(255, 255, 255, 0.16) !important;
  background: rgba(1, 11, 15, 0.82) !important;
  backdrop-filter: blur(18px) saturate(1.15) !important;
}
.site-header::after {
  position: absolute;
  right: auto;
  bottom: -1px;
  left: 0;
  width: var(--ta-scroll);
  height: 2px;
  content: "";
  background-image: linear-gradient(
    90deg,
    var(--ta-green),
    var(--ta-cyan)
  ) !important;
  transition: width 90ms linear;
}
.event-brand img,
.event-logo-heading img,
.footer-brand img {
  filter: none !important;
}
.button-primary,
.nav-cta {
  color: #00110d !important;
  border-color: transparent !important;
  background-color: var(--ta-green) !important;
  background-image: linear-gradient(
    105deg,
    var(--ta-green),
    var(--ta-turquoise) 56%,
    var(--ta-cyan)
  ) !important;
}
.button-primary span,
.nav-cta span {
  color: inherit !important;
}
.button-primary:hover,
.nav-cta:hover {
  box-shadow: 0 12px 36px rgba(0, 174, 217, 0.2) !important;
}

/* --- Entrada del brand al cargar (cliente): más notoria, con rebote --- */
.site-header .brand {
  transform-origin: left center;
  animation: brandIn 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) 0.25s both;
}
@keyframes brandIn {
  0% {
    opacity: 0;
    transform: translateY(-40px) scale(0.72);
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* --- Header móvil: a ≤820 queda solo el logo + la hamburguesa. --- */
@media (max-width: 820px) {
  .event-brand {
    width: clamp(96px, 30vw, 140px) !important;
  }
}

/* --- ACTI al centro del header (blanco sobre la barra oscura) --- */
.header-acti {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
}
.header-acti img {
  height: 26px;
  width: auto; /* acti-logo.png = blanco sobre transparente (sin fondo negro) */
}
@media (max-width: 820px) {
  .header-acti {
    display: none;
  }
}

/* --- Fuentes del header a la escala del PDF (nav y CTA → Nota) --- */
.site-nav,
.site-nav a,
.nav-cta {
  font-size: var(--fs-nota) !important;
}

/* Botón "Mi perfil" del nav (acceso al perfil de postulante). Degradado como CTA. */
.site-nav .profile-nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: #00110d !important;
  border: 1px solid transparent;
  background-color: var(--ta-green) !important;
  background-image: linear-gradient(
    105deg,
    var(--ta-green),
    var(--ta-turquoise) 56%,
    var(--ta-cyan)
  ) !important;
  font-weight: 700;
}
.site-nav .profile-nav-cta::after {
  display: none !important;
}
.site-nav .profile-nav-cta:hover {
  color: #00110d !important;
  box-shadow: 0 12px 36px rgba(0, 174, 217, 0.2) !important;
}
@media (max-width: 820px) {
  .site-nav .profile-nav-cta {
    justify-content: space-between;
    margin-top: 14px;
    padding-right: 20px;
    padding-left: 20px;
    border-bottom-color: transparent;
  }
}