/* ══════════════════════════════════════════════════════════════
   HUB PAGE STYLES
   Estilos específicos para las páginas de hub (rubro)
   que muestran las unidades de negocio.
   Usado tanto en template-hub.html como en las carpetas de
   subdominios: edu/, adv/, sma/, ape/, exp/, ret/, kil/, fnd/, clb/
   ══════════════════════════════════════════════════════════════ */

/* ── Variable de acento por hub (se sobreescribe en cada hub.css local) ── */
:root { --hub-accent: var(--color-blue-primary); }

/* ══════════════════════════════════════════════════════════════
   HUB NAVBAR (Patrón A inline — subdominios)
   Barra de navegación simplificada para las webs de cada Hub.
   Sin mega-menu. Incluye enlace "← Rinsa Inc." de regreso.
   ══════════════════════════════════════════════════════════════ */

.hub-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky, 200);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  box-shadow: none;
  transition: box-shadow var(--transition-base);
  height: 64px;
  display: flex;
  align-items: center;
}

.hub-nav.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}

.hub-nav__inner {
  width: 100%;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--gutter-desktop, 32px);
  display: flex;
  align-items: center;
  gap: var(--space-5, 24px);
}

/* Enlace de regreso al portal principal */
.hub-nav__back {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: var(--fw-medium, 500);
  color: var(--color-gray-600);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: var(--radius-full, 9999px);
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.hub-nav__back svg { width: 14px; height: 14px; }
.hub-nav__back:hover { color: var(--hub-accent); border-color: var(--hub-accent); }

/* Divider vertical */
.hub-nav__divider {
  width: 1px;
  height: 24px;
  background: var(--color-gray-200);
  flex-shrink: 0;
}

/* Logo del hub */
.hub-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
  text-decoration: none;
  flex-shrink: 0;
}

.hub-nav__logo-mark {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hub-accent);
  flex-shrink: 0;
}

.hub-nav__logo-name {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: var(--fw-bold, 700);
  color: var(--color-black-soft);
  letter-spacing: -0.01em;
}

/* Links de navegación del hub */
.hub-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1, 4px);
  margin-left: auto;
}

.hub-nav__link {
  font-size: 14px;
  font-weight: var(--fw-medium, 500);
  color: var(--color-gray-600);
  text-decoration: none;
  padding: 6px var(--space-3, 12px);
  border-radius: var(--radius-md, 8px);
  transition: all var(--transition-fast);
}

.hub-nav__link:hover {
  color: var(--hub-accent);
  background: color-mix(in srgb, var(--hub-accent) 8%, transparent);
}

/* Botón CTA */
.hub-nav__cta {
  margin-left: var(--space-3, 12px);
  flex-shrink: 0;
  font-size: 13px;
  padding: 7px 16px;
  background: var(--hub-accent);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius-full, 9999px);
  font-weight: var(--fw-semibold, 600);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.hub-nav__cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* Hamburger mobile */
.hub-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2, 8px);
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}

.hub-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gray-600);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile drawer del hub */
.hub-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--color-white);
  z-index: var(--z-modal, 400);
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.hub-drawer.open { right: 0; }

.hub-drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 390;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.hub-drawer__overlay.visible { opacity: 1; pointer-events: auto; }

.hub-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4, 16px) var(--space-5, 24px);
  border-bottom: 1px solid var(--color-gray-100);
}

.hub-drawer__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-600);
  padding: 4px;
}

.hub-drawer__nav {
  padding: var(--space-4, 16px);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hub-drawer__link {
  display: block;
  padding: var(--space-3, 12px) var(--space-4, 16px);
  font-size: 15px;
  font-weight: var(--fw-medium, 500);
  color: var(--color-gray-900);
  text-decoration: none;
  border-radius: var(--radius-md, 8px);
  transition: all var(--transition-fast);
}

.hub-drawer__link:hover {
  background: color-mix(in srgb, var(--hub-accent) 8%, transparent);
  color: var(--hub-accent);
}

/* ══════════════════════════════════════════════════════════════
   HUB FOOTER (Patrón A inline — subdominios)
   ══════════════════════════════════════════════════════════════ */

.hub-footer {
  background: var(--color-black-soft, #0D0D0D);
  color: rgba(255,255,255,0.7);
  padding: var(--space-8, 64px) 0 var(--space-6, 32px);
  margin-top: auto;
}

.hub-footer__inner {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--gutter-desktop, 32px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7, 48px);
  align-items: start;
}

.hub-footer__brand {}

.hub-footer__name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: var(--fw-bold, 700);
  color: var(--color-white);
  margin-bottom: var(--space-2, 8px);
  display: block;
}

.hub-footer__tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
  margin-bottom: var(--space-4, 16px);
}

.hub-footer__part-of {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

.hub-footer__part-of a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-weight: var(--fw-medium, 500);
}

.hub-footer__part-of a:hover { color: var(--color-white); }

.hub-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
}

.hub-footer__links-title {
  font-size: 11px;
  font-weight: var(--fw-semibold, 600);
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2, 8px);
}

.hub-footer__link {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.hub-footer__link:hover { color: var(--color-white); }

.hub-footer__bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-5, 24px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  flex-wrap: wrap;
  gap: var(--space-3, 12px);
}

/* ══════════════════════════════════════════════════════════════
   HUB HERO SECTIONS
   ══════════════════════════════════════════════════════════════ */

/* ── Hub Hero ── */
.hub-hero {
  padding: var(--space-8) 0 var(--space-7);
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-white) 100%);
  border-bottom: 1px solid var(--color-gray-100);
}

.hub-hero__content {
  max-width: 640px;
}

.hub-hero__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--hub-accent, var(--color-blue-primary)) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.hub-hero__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--hub-accent, var(--color-blue-primary));
}

.hub-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 44px);
  font-weight: var(--fw-extrabold);
  color: var(--color-black-soft);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hub-hero__subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-gray-500);
  max-width: 540px;
}

/* ── Units Grid ── */
.hub-units__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-7);
}

/* ── Unit Card ── */
.hub-unit-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.hub-unit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--hub-accent, var(--color-blue-primary));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.hub-unit-card:hover {
  border-color: var(--color-gray-200);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.hub-unit-card:hover::before {
  transform: scaleY(1);
}

.hub-unit-card__logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.hub-unit-card__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hub-unit-card__logo-text {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: var(--fw-bold);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hub-unit-card__content {
  flex: 1;
}

.hub-unit-card__name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: var(--fw-bold);
  color: var(--color-black-soft);
  margin-bottom: var(--space-2);
}

.hub-unit-card__description {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.hub-unit-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.hub-unit-card__arrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-400);
  font-size: 13px;
  font-weight: var(--fw-medium);
  transition: color var(--transition-fast);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.hub-unit-card__arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.hub-unit-card:hover .hub-unit-card__arrow {
  color: var(--hub-accent, var(--color-blue-primary));
}

.hub-unit-card:hover .hub-unit-card__arrow svg {
  transform: translate(2px, -2px);
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: 13px;
  color: var(--color-gray-400);
}

.breadcrumb a {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-blue-primary);
}

.breadcrumb__separator {
  color: var(--color-gray-300);
}

.breadcrumb__current {
  color: var(--color-gray-600);
  font-weight: var(--fw-medium);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hub-units__grid {
    grid-template-columns: 1fr;
  }

  .hub-hero {
    padding: var(--space-6) 0 var(--space-5);
  }

  /* Hub Nav mobile */
  .hub-nav__links,
  .hub-nav__cta { display: none; }
  .hub-nav__hamburger { display: flex; }
  .hub-nav__inner { padding: 0 var(--gutter-mobile, 16px); }

  /* Hub Footer mobile */
  .hub-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-5, 24px);
  }
}