/* ============================================================
   URBEMAX V4 — LAYOUT
   Container, grid, secciones, header, footer, mobile bar
   ============================================================ */

.ub-wrap {
  width: min(var(--ub-max), calc(100% - var(--ub-gutter) * 2));
  margin-inline: auto;
}

.ub-section { padding: clamp(60px, 8vw, 96px) 0; }
.ub-section--cream { background: var(--ub-purple-50); }
[data-theme="dark"] .ub-section--cream { background: #050010; }

.ub-section--navy {
  background: var(--ub-navy);
  color: var(--ub-white);
}
[data-theme="dark"] .ub-section--navy { background: #0a0a0f; }
.ub-section--navy .ub-lead { color: rgba(255, 255, 255, 0.8); }

.ub-section--purple {
  background: linear-gradient(135deg, var(--ub-purple-950), var(--ub-purple-800));
  color: #fff;
}

/* Grids reutilizables */
.ub-grid { display: grid; gap: 20px; }
.ub-grid--2 { grid-template-columns: repeat(2, 1fr); }
.ub-grid--3 { grid-template-columns: repeat(3, 1fr); }
.ub-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   BARRA DE ACCESIBILIDAD
   ============================================================ */

.ub-a11y-bar {
  background: var(--ub-purple-950);
  color: var(--ub-purple-100);
  font-size: 0.76rem;
  padding: 6px 0;
}

.ub-a11y-bar .ub-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ub-a11y-tools {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.ub-a11y-btn {
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: background var(--ub-transition);
}

.ub-a11y-btn:hover,
.ub-a11y-btn[aria-pressed="true"] {
  background: var(--ub-orange-600);
  border-color: var(--ub-orange-600);
}

.ub-a11y-lang {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: #fff;
  font-size: 0.72rem;
  padding: 4px 8px;
}

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */

.ub-skip-link {
  position: absolute;
  left: 14px;
  top: -48px;
  z-index: 120;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ub-purple-800);
  color: #fff;
  font-weight: 850;
  font-size: 0.85rem;
  transition: top var(--ub-transition);
}

.ub-skip-link:focus {
  top: 14px;
  color: #fff;
}

/* ============================================================
   HEADER
   ============================================================ */

.ub-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ub-line);
}

[data-theme="dark"] .ub-header { background: rgba(0, 0, 0, 0.85); }

.ub-nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.ub-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--ub-purple-800);
  letter-spacing: -0.055em;
  line-height: 1;
}

[data-theme="dark"] .ub-brand { color: #fff; }

.ub-brand span { color: var(--ub-orange-600); }

.ub-brand small {
  display: block;
  color: var(--ub-slate);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0;
  margin-top: 4px;
}

.ub-logo {
  width: auto;
  max-width: 186px;
  height: 42px;
  object-fit: contain;
}

.ub-footer .ub-logo {
  filter: brightness(0) invert(1);
}

.ub-logo-symbol {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 5px solid var(--ub-purple-800);
  border-right-color: var(--ub-orange-600);
  border-bottom-color: var(--ub-orange-600);
  box-shadow: inset 0 0 0 3px var(--ub-white);
}

[data-theme="dark"] .ub-logo-symbol {
  border-color: #fff;
  border-right-color: var(--ub-orange-500);
  border-bottom-color: var(--ub-orange-500);
  box-shadow: inset 0 0 0 3px #000;
}

.ub-menu { flex: 1; display: flex; justify-content: center; }

.ub-menu ul {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.87rem;
  font-weight: 750;
}

.ub-menu li { position: relative; }

.ub-menu a {
  padding: 10px 0;
  display: inline-block;
}

.ub-menu a:hover { color: var(--ub-orange-600); }

.ub-menu .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -18px;
  min-width: 250px;
  padding: 14px;
  background: var(--ub-white);
  border-radius: 0 0 var(--ub-radius) var(--ub-radius);
  box-shadow: var(--ub-shadow);
  border: 1px solid var(--ub-line);
  flex-direction: column;
  gap: 4px;
  z-index: 60;
}

.ub-menu li:hover > .sub-menu,
.ub-menu li:focus-within > .sub-menu { display: flex; }

.ub-menu .sub-menu a {
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 0.85rem;
  display: block;
}

.ub-menu .sub-menu a:hover {
  background: var(--ub-purple-50);
  color: var(--ub-purple-700);
}

[data-theme="dark"] .ub-menu .sub-menu a:hover { background: rgba(155, 44, 219, 0.15); }

.ub-nav-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.ub-theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ub-purple-50);
  color: var(--ub-purple-800);
  font-size: 1.05rem;
  border: 1px solid var(--ub-line);
  display: grid;
  place-items: center;
  transition: background var(--ub-transition);
}

[data-theme="dark"] .ub-theme-toggle {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ub-orange-500);
}

.ub-theme-toggle:hover { background: var(--ub-purple-100); }

.ub-toggle-mobile {
  display: none;
  border: 0;
  background: transparent;
  color: var(--ub-purple-800);
  font-size: 1.5rem;
  padding: 6px 10px;
}

[data-theme="dark"] .ub-toggle-mobile { color: #fff; }

/* ============================================================
   FOOTER
   ============================================================ */

.ub-footer {
  background: #100021;
  color: #cfc4dc;
  padding: 60px 0 24px;
}

[data-theme="dark"] .ub-footer {
  background: #000;
  border-top: 1px solid var(--ub-line);
}

.ub-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 28px;
}

.ub-footer-brand {
  font-size: 1.4rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.05em;
  margin-bottom: 12px;
}

.ub-footer-brand span { color: var(--ub-orange-500); }

.ub-footer p {
  font-size: 0.87rem;
  max-width: 320px;
  line-height: 1.6;
}

.ub-footer h4 {
  color: #fff;
  font-weight: 850;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.ub-footer a {
  display: block;
  font-size: 0.85rem;
  margin: 7px 0;
  color: #cfc4dc;
}

.ub-footer a:hover { color: var(--ub-orange-400); }

.ub-footer-social {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.ub-footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  margin: 0;
}

.ub-footer-social a:hover {
  background: var(--ub-orange-600);
  color: #fff;
}

.ub-footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 38px;
  padding-top: 18px;
  font-size: 0.78rem;
  text-align: center;
  color: #a598b8;
}

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */

.ub-wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  background: #25d366;
  color: #fff;
  font-weight: 850;
  font-size: 0.88rem;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--ub-transition);
}

.ub-wa-float:hover {
  transform: translateY(-3px);
  color: #fff;
}

/* ============================================================
   BARRA MÓVIL INFERIOR
   ============================================================ */

.ub-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: var(--ub-purple-950);
  color: #fff;
  padding: 10px 14px;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .ub-mobile-bar {
  background: #0a0a0f;
  border-top: 1px solid var(--ub-line);
}

.ub-mobile-bar ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.ub-mobile-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 6px 10px;
  color: #fff;
}

.ub-mobile-bar a i {
  font-size: 1.1rem;
  font-style: normal;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1023px) {
  .ub-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .ub-footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .ub-footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 920px) {
  .ub-toggle-mobile { display: block; }

  .ub-menu {
    display: none;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--ub-white);
    border-bottom: 1px solid var(--ub-line);
    padding: 17px 20px;
    box-shadow: var(--ub-shadow);
  }

  .ub-menu.ub-open { display: block; }

  .ub-menu ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .ub-menu li a { padding: 10px 0; }

  .ub-menu .sub-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: 0;
    padding: 0 14px;
    background: transparent;
  }

  .ub-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .ub-nav-actions .ub-btn { display: none; }
}

@media (max-width: 620px) {
  .ub-grid--2,
  .ub-grid--3,
  .ub-grid--4 { grid-template-columns: 1fr; }

  .ub-footer-grid { grid-template-columns: 1fr 1fr; }
  .ub-footer-grid > div:first-child { grid-column: 1 / -1; }

  .ub-a11y-bar .ub-wrap { justify-content: center; }
  .ub-a11y-bar span:first-child { display: none; }

  .ub-mobile-bar { display: block; }

  .ub-wa-float {
    bottom: 80px;
    right: 14px;
    padding: 10px 14px;
    font-size: 0.82rem;
  }

  body { padding-bottom: 70px; }
}