/* Header estilo Boceto 01 + menú móvil */
.site-nav {
  position: absolute;
  z-index: 1000;
  inset: 0 0 auto;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  background: transparent;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.site-nav.header-solid {
  position: fixed;
  top: 0;
  background: rgba(5, 5, 5, 0.94);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-nav__menu ul,
.site-nav .nav-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__menu a,
.site-nav .nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
  padding-bottom: 0;
}

.site-nav__menu a:hover,
.site-nav .nav-links a:hover {
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  flex-shrink: 0;
  z-index: 1002;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-nav.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 800px) {
  .site-nav {
    padding: 1rem clamp(1rem, 4vw, 1.25rem);
  }

  .jpc-logo img {
    width: 42px;
    height: 42px;
  }

  .jpc-logo__jpc {
    font-size: 1.15rem;
  }

  .jpc-logo__sub {
    font-size: 0.56rem;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
  }

  .site-nav .nav-links {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 1.25rem;
    background: rgba(8, 8, 8, 0.98);
    border-bottom: 1px solid var(--line);
    pointer-events: none;
    transition:
      max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
      opacity 0.3s ease,
      padding 0.35s ease;
  }

  .site-nav.nav-open .nav-links {
    max-height: 420px;
    opacity: 1;
    padding: 0.5rem 1.25rem 1rem;
    pointer-events: auto;
  }

  .site-nav .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .nav-links li:last-child {
    border-bottom: none;
  }

  .site-nav .nav-links a {
    display: block;
    padding: 0.85rem 0;
  }
}