/* Kaizen Force V4 — Layout
   Header sticky, footer global, contenedor de página, estructura macro. */

body.is-site-loading {
  overflow: hidden;
}

.site-loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(420px 220px at 50% 18%, rgba(225, 29, 44, 0.14), transparent 62%),
    rgba(5, 5, 5, 0.96);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: 180;
}
.site-loading.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.site-loading__inner {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 28px;
}
.site-loading__brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: clamp(1.08rem, 2vw, 1.42rem);
  color: var(--color-text);
}
.site-loading__spinner {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--color-gold-bright);
  border-right-color: var(--color-red);
  animation: siteSpin 0.9s linear infinite;
}
.site-loading__copy {
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

@keyframes siteSpin {
  to { transform: rotate(360deg); }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  width: 100%;
  max-width: 100%;
  height: var(--header-h);
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: transform var(--tr);
}
.site-header__logo:hover { transform: scale(1.04); }
.site-header__logo-img {
  width: 44px;
  height: 44px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  background: #1a1a1a;
  border: 1px solid var(--color-border-strong);
  filter: drop-shadow(0 4px 12px rgba(225, 29, 44, 0.35));
}
@media (min-width: 1024px) {
  .site-header__logo-img { width: 52px; height: 52px; }
}
.mobile-menu__logo-img {
  width: 40px;
  height: 40px;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  background: #1a1a1a;
  border: 1px solid var(--color-border-strong);
}

.site-nav {
  display: none;
}
.site-nav__list {
  display: flex;
  gap: 22px;
}
.site-nav__link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: 6px;
  border-bottom: 2px solid transparent;
  transition: color var(--tr), border-color var(--tr);
}
.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-red);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.notification-anchor {
  position: relative;
}
.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  position: relative;
  transition: background var(--tr), color var(--tr);
}
.icon-btn:hover {
  background: var(--bg-surface);
  color: var(--color-gold-bright);
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn__badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--color-red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-base);
}
.notification-popover {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 360px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.46);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--tr), visibility var(--tr), transform var(--tr);
  z-index: calc(var(--z-header) + 5);
}
.notification-popover.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.notification-popover__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.notification-popover__head strong {
  color: var(--color-text);
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.84rem;
}
.notification-popover__view-all {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border-gold);
  color: var(--color-gold-bright);
  transition: background var(--tr), transform var(--tr), border-color var(--tr);
}
.notification-popover__view-all:hover {
  background: rgba(202, 161, 47, 0.12);
  transform: translateX(2px);
}
.notification-popover__view-all svg {
  width: 16px;
  height: 16px;
}
.notification-popover__list {
  display: grid;
  gap: 8px;
}
.notification-popover__item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: border-color var(--tr), background var(--tr), transform var(--tr);
}
.notification-popover__item.is-unread {
  border-color: rgba(202, 161, 47, 0.42);
  background: rgba(202, 161, 47, 0.08);
}
.notification-popover__item.is-read {
  opacity: 0.78;
}
.notification-popover__item:hover {
  border-color: var(--color-border-gold);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}
.notification-popover__item strong {
  color: var(--color-text);
  font-size: 0.9rem;
}
.notification-popover__item span,
.notification-popover__empty {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

/* Menú móvil drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: #050505;
  z-index: var(--z-drawer);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--tr), visibility var(--tr);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu__panel {
  position: absolute;
  inset: 0;
  width: 100%;
  background: #050505;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transform: translateX(100%);
  transition: transform var(--tr-slow);
}
.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}
.mobile-menu__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu__list a {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 14px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.98rem;
  font-weight: 500;
  transition: background var(--tr), border-color var(--tr), color var(--tr), transform var(--tr);
}
.mobile-menu__list a:hover {
  color: var(--color-gold-bright);
  background: var(--bg-surface-hover);
  border-color: var(--color-border-gold);
  transform: translateX(-2px);
}
.mobile-menu__cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-carbon);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
  padding-block: 48px 24px;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-red) 30%, var(--color-gold) 70%, transparent);
}
.site-footer__grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
.footer-col h5 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
  color: var(--color-gold-bright);
  margin-bottom: 14px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--tr);
}
.footer-col a:hover { color: var(--color-text); }
.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}
.footer-brand .kaizen-mark {
  font-size: 1.4rem;
  letter-spacing: 0.12em;
}
.footer-brand__logo {
  width: 96px;
  height: auto;
  display: block;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 14px rgba(225, 29, 44, 0.35));
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.footer-social .icon-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border-strong);
  background: var(--bg-surface);
  border-radius: 50%;
  transition: background var(--tr), color var(--tr), border-color var(--tr), transform var(--tr);
}
.footer-social .icon-btn:hover {
  background: var(--color-red-soft);
  border-color: var(--color-red);
  color: var(--color-red-bright);
  transform: translateY(-2px);
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.footer-contact-item span,
.footer-contact-item a {
  display: inline-block;
  line-height: 1.45;
}
.footer-contact-item--hours span {
  white-space: nowrap;
}
.footer-contact-item svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
  color: var(--color-red);
}
.provisional-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-warning);
  margin-left: 6px;
}
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 32px;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}
.site-footer__bottom-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== CTA flotante WhatsApp ===== */
.fab-whatsapp {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: var(--z-drawer);
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  transition: transform var(--tr);
}
.fab-whatsapp:hover {
  transform: translateY(-2px) scale(1.05);
  color: #fff;
}
.fab-whatsapp svg { width: 28px; height: 28px; }

/* ===== Promo bar / barra superior ===== */
.promo-bar {
  background: linear-gradient(90deg, var(--color-red-dark), var(--color-red));
  color: #fff;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}
.promo-bar strong { color: var(--color-gold-bright); }

/* ===== Tooltips en iconos del header ===== */
.icon-btn[data-tooltip] {
  position: relative;
}
.icon-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--bg-elevated);
  color: var(--color-text);
  font-size: 0.7rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr), transform var(--tr);
  z-index: var(--z-toast);
}
.icon-btn[data-tooltip]::before {
  content: '';
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--color-border-strong);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr);
  z-index: var(--z-toast);
}
.icon-btn[data-tooltip]:hover::after,
.icon-btn[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.icon-btn[data-tooltip]:hover::before,
.icon-btn[data-tooltip]:focus-visible::before {
  opacity: 1;
}
@media (max-width: 767px) {
  .icon-btn[data-tooltip]::after,
  .icon-btn[data-tooltip]::before { display: none; }
}

/* ===== Botón Atrás (solo flecha redonda, look premium) ===== */
.back-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  flex: 0 0 44px;
  padding: 0;
  box-sizing: border-box;
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,0.06), transparent 60%),
    linear-gradient(160deg, #181818 0%, #0d0d0d 100%);
  border: 1px solid rgba(202, 161, 47, 0.28);
  color: var(--color-text);
  margin: 14px 16px 0;
  border-radius: 50%;
  cursor: pointer;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 6px 14px rgba(0,0,0,0.45);
  transition: background var(--tr), color var(--tr), transform var(--tr),
              border-color var(--tr), box-shadow var(--tr);
  animation: fadeUp 380ms ease both;
}
.back-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
  transition: transform var(--tr);
}
.back-btn:hover {
  color: var(--color-gold-bright);
  border-color: var(--color-gold-bright);
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 10px 22px rgba(0,0,0,0.55),
    0 0 0 4px rgba(202, 161, 47, 0.10);
}
.back-btn:hover svg { transform: translateX(-3px); }
.back-btn:active { transform: translateY(0); }
@media (min-width: 1024px) {
  .back-btn {
    margin: 18px 28px 0;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    flex: 0 0 48px;
  }
  .back-btn svg { width: 22px; height: 22px; }
}

/* ===== Tablet ===== */
@media (min-width: 768px) {
  .site-nav { display: block; }
  .icon-btn--menu { display: none; }
  .site-footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== Desktop ===== */
@media (min-width: 1024px) {
  :root {
    --header-h: 72px;
    --section-pad-y: 80px;
  }
  .container, .container-narrow {
    padding-inline: 28px;
  }
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  }
  .site-footer__bottom {
    flex-direction: row;
    justify-content: center;
    text-align: center;
  }
}