/* ============================================================
   VERA ZAMBRANO & ASSOCIATES — Dynamic Footer
   Works with the header package variables; includes safe fallbacks.
   ============================================================ */

:root {
  --color-primary: #3A3F5C;
  --color-primary-dark: #2a2e44;
  --color-accent: #C8B27D;
  --color-bg: #F8F6F4;
  --color-text: #5F6472;
  --color-text-dark: #2E3144;
  --color-white: #ffffff;
  --container-max: 1200px;
  --font-body: 'Inter', system-ui, sans-serif;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --shadow-lg: 0 12px 40px rgba(58,63,92,.14), 0 4px 12px rgba(58,63,92,.08);
}

.site-footer {
  background: var(--color-text-dark);
  color: rgba(255,255,255,.72);
  font-family: var(--font-body);
}

.site-footer .container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.footer-main {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.8fr) minmax(160px, 1fr) minmax(160px, 1fr) minmax(210px, 1.2fr);
  gap: 2.5rem;
  align-items: start;
}

.footer-col--brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo-align-left { align-items: flex-start; text-align: left; }
.footer-logo-align-center { align-items: center; text-align: center; }
.footer-logo-align-right { align-items: flex-end; text-align: right; }
.footer-logo-align-center .footer-social { justify-content: center; }
.footer-logo-align-right .footer-social { justify-content: flex-end; }

.footer-logo-link {
  position: relative;
  z-index: 2;
  display: inline-block;
  max-width: 100%;
}

.footer-logo-img {
  width: var(--vz-footer-logo-width, 140px);
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
  filter: none;
  opacity: 1;
  position: relative;
  z-index: 2;
}

.footer-logo-img--dark {
  display: none;
}

html[data-theme="dark"] .footer-logo-img--has-dark {
  display: none;
}

html[data-theme="dark"] .footer-logo-img--dark {
  display: inline-block;
}

.footer-site-title {
  display: inline-block;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.855rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.footer-desc p {
  margin: 0;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  width: 100%;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.68);
  border: 1px solid rgba(255,255,255,.1);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover,
.social-link:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.social-link img,
.vz-social-icon-img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 1.1rem;
  line-height: 1.35;
}

.footer-list,
.legal-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-list a,
.legal-links a {
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-list a {
  font-size: 0.855rem;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: #ffffff;
}

.footer-address {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-style: normal;
}

.footer-address p {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.855rem;
  color: rgba(255,255,255,.55);
  margin: 0;
  line-height: 1.65;
}

.footer-address p svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 4px;
}

.footer-address a {
  color: rgba(255,255,255,.72);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-address a:hover,
.footer-address a:focus-visible {
  color: var(--color-accent);
}

.footer-address small {
  font-size: 0.8em;
  color: rgba(255,255,255,.55);
}

.footer-languages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.1rem;
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,.58);
  letter-spacing: 0.05em;
  text-decoration: none;
  line-height: 1.35;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.lang-badge:hover,
.lang-badge:focus-visible,
.lang-badge--active {
  color: var(--color-accent);
  border-color: rgba(200,178,125,.55);
  background: rgba(200,178,125,.08);
}

.lang-flag {
  display: inline-block;
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
  flex-shrink: 0;
  line-height: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 1.1rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(255,255,255,.55);
  margin: 0;
}

.footer-bottom-links {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.legal-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.legal-links a,
.footer-credit-link {
  font-size: 0.8rem;
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.legal-links a:hover,
.legal-links a:focus-visible,
.footer-credit-link:hover,
.footer-credit-link:focus-visible {
  color: rgba(255,255,255,.78);
}

.footer-credit-link::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-inline-end: 0.65rem;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  vertical-align: middle;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: var(--back-to-top-bottom, 1.25rem);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--color-primary, #3A3F5C);
  color: #ffffff;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 250ms ease,
    visibility 250ms ease,
    transform 250ms ease,
    background 250ms ease,
    color 250ms ease;
  cursor: pointer;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-accent, #C8B27D);
  color: var(--color-primary, #3A3F5C);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  display: block;
}

html[data-theme="dark"] .site-footer {
  background: #0B0E14;
}

html[data-theme="dark"] .footer-list a:hover,
html[data-theme="dark"] .footer-list a:focus-visible {
  color: #ffffff;
}

html[data-theme="dark"] .back-to-top {
  color: #ffffff;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-col--brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-col--brand {
    grid-column: auto;
  }

  .footer-logo-align-right,
  .footer-logo-align-left {
    align-items: flex-start;
    text-align: left;
  }

  .footer-logo-align-right .footer-social,
  .footer-logo-align-left .footer-social {
    justify-content: flex-start;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-bottom-links,
  .legal-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .site-footer .container {
    padding-inline: 1.15rem;
  }

  .footer-main {
    padding-top: 3rem;
  }

  .back-to-top {
    right: 1rem;
    bottom: 1rem;
    width: 40px;
    height: 40px;
  }
}