/* OCEANSING | CardNav. Inspirado en el componente proporcionado de React Bits,
   implementado con HTML/CSS/JS nativo para conservar el portal estático. */
.header-shell {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  pointer-events: none;
  padding: 18px clamp(12px, 3.5vw, 48px) 0;
}
.card-nav {
  position: relative;
  width: 100%;
  max-width: 1040px;
  height: 62px;
  margin: 0 auto;
  font-size: 14px;
  color: #f5f5f5;
  isolation: isolate;
  pointer-events: auto;
}
.card-nav__panel {
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;
  height: 62px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--aq-panel);
  box-shadow: 0 20px 52px -18px rgba(0,0,0,.85), 0 6px 22px -8px rgba(0,0,0,.53);
  -webkit-backdrop-filter: blur(28px) saturate(1.45);
  backdrop-filter: blur(28px) saturate(1.45);
  transition: height .58s cubic-bezier(.22,1,.36,1);
}
.card-nav__rim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.13), inset 0 1px 0 rgba(255,255,255,.10);
}
.card-nav__bar {
  position: relative;
  z-index: 2;
  height: 62px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 9px;
}
.card-nav__left {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.card-nav__toggle {
  justify-self: start;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background .2s ease;
}
.card-nav__toggle:hover { background: rgba(255,255,255,.09); }
.card-nav__burger { position: relative; width: 19px; height: 16px; }
.card-nav__burger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.7px;
  background: currentColor;
  border-radius: 2px;
  transition: top .4s cubic-bezier(.22,1,.36,1), transform .4s cubic-bezier(.22,1,.36,1);
}
.card-nav__burger span:first-child { top: 4px; }
.card-nav__burger span:last-child { top: 11px; }
.card-nav.is-open .card-nav__burger span:first-child { top: 7px; transform: rotate(45deg); }
.card-nav.is-open .card-nav__burger span:last-child { top: 7px; transform: rotate(-45deg); }
.card-nav__logo {
  justify-self: center;
  color: #f4f3f1;
  font: 400 clamp(18px, 2.8vw, 25px)/1 'Della Respira', Georgia, serif;
  text-decoration: none;
  letter-spacing: -.02em;
  white-space: nowrap;
  transition: opacity .2s ease;
}
.card-nav__logo:hover { opacity: .72; }
.card-nav__cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 20px;
  border: 0;
  border-radius: 11px;
  background: #f6f6f5;
  color: #111;
  font: 700 12px/1 'Courier New', Courier, monospace;
  letter-spacing: .13em;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.card-nav__cta:hover { background: #dededb; }
.card-nav__cta svg { width: 17px; height: 17px; }
.card-nav__content {
  visibility: hidden;
  padding: 0 9px 9px;
  opacity: 0;
  transition: opacity .2s ease;
}
.card-nav.is-open .card-nav__content { visibility: visible; opacity: 1; }
.card-nav__cards { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.card-nav__card {
  display: flex;
  min-height: 205px;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
  border-radius: 11px;
  color: #f5f5f5;
  background: var(--aq-menu-card);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.105), inset 0 1px 0 rgba(255,255,255,.095), 0 10px 30px rgba(0,0,0,.10);
  -webkit-backdrop-filter: blur(26px) saturate(1.25);
  backdrop-filter: blur(26px) saturate(1.25);
  opacity: 0;
  filter: blur(7px);
  transform: translateY(18px) scale(.985);
  transition: transform .48s cubic-bezier(.22,1,.36,1),opacity .48s ease,filter .48s ease;
  transition-delay: 0ms;
}
.card-nav.is-open .card-nav__card { transform: none; filter: blur(0); opacity: 1; }
.card-nav.is-open .card-nav__card:nth-child(2) { transition-delay: 70ms; }
.card-nav__index { color: #888; font: 700 10px/1.3 'Courier New',Courier,monospace; letter-spacing: .17em; }
.card-nav__card h2 { margin: 11px 0 3px; font-size: 19px; line-height: 1.1; font-weight: 600; letter-spacing: -.035em; }
.card-nav__card p { margin: 0; max-width: 25ch; font-size: 12px; line-height: 1.55; color: #a8a8a8; }
.card-nav__links { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
.card-nav__links a, .card-nav__links button {
  border: 0;
  padding: 2px 0;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: transparent;
  color: #dedede;
  font: 500 12px/1.45 Arial,Helvetica,sans-serif;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: color .2s ease;
}
.card-nav__links a:hover, .card-nav__links button:hover { color: #fff; }
/* SVG semántico para cada subpestaña, sin flechas repetidas. */
.card-nav__link-icon { width: 16px; height: 16px; flex: 0 0 16px; color: rgba(240,240,240,.65); transition: color .2s ease,transform .2s ease; }
.card-nav__links a:hover .card-nav__link-icon, .card-nav__links button:hover .card-nav__link-icon { transform: translateY(-1px); color: #fff; }
.card-nav__cta--mobile { display: none; }
/* Diálogos informativos: no simulan una función que aún no existe. */
.aq-dialog {
  width: min(92vw, 460px);
  padding: 0;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 16px;
  background: var(--aq-dialog-bg);
  -webkit-backdrop-filter: blur(30px) saturate(1.35);
  backdrop-filter: blur(30px) saturate(1.35);
  color: #f5f5f5;
  box-shadow: 0 28px 100px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.075);
}
.aq-dialog::backdrop {
  background: rgba(0,0,0,.55);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.aq-dialog__top { display: flex; justify-content: space-between; align-items: center; padding: 16px 19px; border-bottom: 1px solid rgba(255,255,255,.12); font: 700 10px/1.4 'Courier New',monospace; letter-spacing: .17em; }
.aq-dialog__top button { color: #fff; border: none; background: transparent; font-size: 22px; cursor: pointer; }
.aq-dialog__body { padding: 25px 25px 35px; }
.aq-dialog__body h2 { margin: 0 0 12px; font-size: 26px; font-weight: 600; letter-spacing: -.035em; }
.aq-dialog__body p { margin: 0; color: #aaa; font-size: 14px; line-height: 1.7; }
@media (max-width: 680px) {
  .header-shell { padding: 11px 12px 0; }
  :root { --aq-header-height: 80px; }
  .card-nav { height: 58px; }
  .card-nav__panel, .card-nav__bar { height: 58px; }
  .card-nav__panel { border-radius: 15px; }
  .card-nav__bar { padding: 0 6px; }
  .card-nav__toggle { width: 43px; height: 44px; }
  .card-nav__logo { font-size: clamp(17px,5vw,21px); }
  .card-nav__bar > .card-nav__cta { display: none; }
  .card-nav__cards { grid-template-columns: 1fr; }
  .card-nav__card { min-height: 0; padding: 16px; gap: 13px; }
  .card-nav__card h2 { margin-top: 7px; font-size: 17px; }
  .card-nav__links { flex-direction: row; flex-wrap: wrap; column-gap: 15px; row-gap: 7px; }
  .card-nav__cta--mobile { display: flex; width: 100%; margin-top: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .card-nav__panel,.card-nav__card,.card-nav__toggle,.card-nav__burger span { transition: none !important; }
  .card-nav__card { filter: none; transform: none; }
}