/* Header: fijo (landing) o estático con fondo (otras páginas) */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.site-header--static {
  position: static;
  transform: none;
  margin-bottom: 2rem;
}
.site-header--static #mainNav {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
}

.site-header.site-header--static {
  position: static;
  transform: none;
  margin-bottom: 2rem;
}

#mainNav {
  background: transparent;
  padding: 1rem 0;
  transition: background 0.25s ease, padding 0.25s ease, backdrop-filter 0.25s ease;
}
.site-header.is-scrolled #mainNav {
  background: rgba(11, 14, 17, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.navbar-nav .nav-link {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 0.9rem;
  transition: color 0.2s ease;
}
.navbar-nav .nav-link:hover { color: var(--text-primary); }
.account-btn {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.account-btn:hover { border-color: var(--volt); color: var(--volt); }
.account-btn::after { display: none; }

.account-panel {
  min-width: 300px;
  padding: 0;
  overflow: hidden;
  border-radius: 14px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
  margin-top: 0.6rem;
}
.account-panel__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.2rem;
  background: linear-gradient(135deg, rgba(200, 255, 77, 0.08), transparent);
  border-bottom: 1px solid var(--border);
}
.account-panel__icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-panel);
  color: var(--volt);
  font-size: 1.3rem;
  border: 1px solid var(--border);
}
.account-panel__title { display: block; font-weight: 700; font-size: 0.95rem; color: var(--text-primary); }
.account-panel__subtitle { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 0.1rem; }
.account-panel__body { padding: 0.9rem 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.account-panel__action {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-primary);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.account-panel__action i { color: var(--volt); font-size: 1rem; }
.account-panel__action:hover { border-color: var(--volt); color: var(--volt); }
.account-panel__action--primary { background: var(--volt); color: #0b0e11; border-color: var(--volt); }
.account-panel__action--primary i { color: #0b0e11; }
.account-panel__action--primary:hover { background: var(--volt-dim); color: #0b0e11; }

.nav-toggler {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggler:hover { border-color: var(--volt); }
.nav-toggler__bar {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggler[aria-expanded="true"] .nav-toggler__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggler[aria-expanded="true"] .nav-toggler__bar:nth-child(2) { opacity: 0; }
.nav-toggler[aria-expanded="true"] .nav-toggler__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: min(85vw, 340px);
  height: 100dvh;
  background: var(--bg-panel-2);
  border-left: 1px solid var(--border);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.55);
  z-index: 1060;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.3rem 2rem;
  overflow-y: auto;
}
.mobile-sidebar.is-open { transform: translateX(0); }
.mobile-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.mobile-sidebar__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-sidebar__close:hover { border-color: var(--coral); color: var(--coral); }
.mobile-sidebar__nav { display: flex; flex-direction: column; gap: 0.2rem; margin-bottom: 1.4rem; }
.mobile-sidebar__link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 0.3rem;
  border-bottom: 1px solid var(--border);
}
.mobile-sidebar__link:last-child { border-bottom: none; }
.mobile-sidebar__account {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.mobile-sidebar__account-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}
.mobile-sidebar__account-action {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-primary);
  background: var(--bg-panel);
  border: 1px solid var(--border);
}
.mobile-sidebar__account-action i { color: var(--volt); }
.mobile-sidebar__account-action--primary { background: var(--volt); color: #0b0e11; border-color: var(--volt); }
.mobile-sidebar__account-action--primary i { color: #0b0e11; }

.mobile-sidebar__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  z-index: 1055;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-sidebar__backdrop.is-open { opacity: 1; pointer-events: auto; }

body.no-scroll { overflow: hidden; }

@media (max-width: 991.98px) {
  .nav-toggler { display: flex; }
}

@media (min-width: 992px) {
  .mobile-sidebar,
  .mobile-sidebar__backdrop,
  .nav-toggler { display: none !important; }
}