/* =========================================================
   FOOTER GLOBAL · ACATITLA
   Escritorio/tablet: versión larga horizontal
   Celular: versión compacta proporcional
   ========================================================= */

.site-footer {
  --footer-bg: #082315;
  --footer-bg-top: #082315;
  --footer-accent: #168050;
  --footer-text: rgba(255, 255, 255, 0.94);
  --footer-muted: rgba(255, 255, 255, 0.68);
  --footer-line: rgba(255, 255, 255, 0.74);

  width: 100%;
  color: var(--footer-text);
  background:
    linear-gradient(180deg, var(--footer-bg-top) 0 29px, var(--footer-bg) 29px 100%);
}

.site-footer,
.site-footer * {
  box-sizing: border-box;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer__inner {
  width: var(--container, min(1160px, calc(100% - 36px)));
  margin: 0 auto;
}

.site-footer__title,
.site-footer__heading {
  color: #ffffff;
  font-weight: 900;
  letter-spacing: -0.025em;
}

.site-footer__title {
  display: block;
  line-height: 1.25;
}

.site-footer__subtitle,
.site-footer__copyright {
  color: var(--footer-muted);
}

.site-footer__subtitle {
  margin: 7px 0 0;
  line-height: 1.45;
}

.site-footer__heading {
  margin: 0 0 10px;
  line-height: 1.2;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
  line-height: 1.35;
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

.site-footer__social-links {
  display: flex;
  align-items: center;
}

.site-footer__social-links a {
  display: inline-grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.78);
  border-radius: 12px;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.site-footer__social-links a:hover,
.site-footer__social-links a:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.site-footer__icon {
  display: block;
  fill: currentColor;
}

.site-footer__copyright {
  margin: 0;
  line-height: 1.4;
}

/* =========================================================
   COMPUTADORAS Y TABLETAS · VERSIÓN LARGA HORIZONTAL
   ========================================================= */

@media (min-width: 641px) {
  .site-footer__inner {
    min-height: 104px;
    display: grid;
    grid-template-columns: minmax(360px, 1fr) minmax(150px, auto) minmax(160px, auto);
    grid-template-areas:
      "brand legal social"
      "line line line"
      "copy copy copy";
    column-gap: clamp(48px, 8vw, 118px);
    row-gap: 0;
    align-items: start;
    padding: 24px 0 8px;
  }

  .site-footer__brand {
    grid-area: brand;
    align-self: start;
  }

  .site-footer__legal {
    grid-area: legal;
    align-self: start;
    justify-self: start;
  }

  .site-footer__social {
    grid-area: social;
    align-self: start;
    justify-self: start;
  }

  .site-footer__inner::after {
    content: "";
    grid-area: line;
    width: 100%;
    height: 1px;
    margin-top: 18px;
    background: var(--footer-line);
  }

  .site-footer__copyright {
    grid-area: copy;
    justify-self: center;
    padding-top: 7px;
    font-size: 0.74rem;
    text-align: center;
  }

  .site-footer__title {
    font-size: 0.92rem;
  }

  .site-footer__subtitle {
    font-size: 0.89rem;
  }

  .site-footer__heading {
    font-size: 0.88rem;
  }

  .site-footer__link {
    font-size: 0.78rem;
  }

  .site-footer__social-links {
    gap: 14px;
  }

  .site-footer__social-links a {
    width: 30px;
    height: 30px;
  }

  .site-footer__icon {
    width: 28px;
    height: 28px;
  }
}

/* Tabletas angostas */
@media (min-width: 641px) and (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: minmax(280px, 1fr) minmax(130px, auto) minmax(145px, auto);
    column-gap: 28px;
  }

  .site-footer__title {
    font-size: 0.86rem;
  }

  .site-footer__subtitle {
    font-size: 0.82rem;
  }
}

/* =========================================================
   CELULARES · VERSIÓN COMPACTA PROFESIONAL
   ========================================================= */

@media (max-width: 640px) {
  .site-footer {
    background: var(--footer-bg);
  }

  .site-footer__inner {
    width: min(100% - 32px, 520px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "brand brand"
      "legal social"
      "copy copy";
    column-gap: 16px;
    row-gap: 16px;
    padding: 24px 0 18px;
    text-align: center;
  }

  .site-footer__brand {
    grid-area: brand;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--footer-accent);
  }

  .site-footer__title {
    max-width: 95%;
    margin-inline: auto;
    font-size: clamp(1rem, 5vw, 1.25rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
  }

  .site-footer__subtitle {
    max-width: 90%;
    margin: 6px auto 0;
    font-size: clamp(0.78rem, 3.8vw, 0.96rem);
    line-height: 1.35;
  }

  .site-footer__legal {
    grid-area: legal;
    min-width: 0;
  }

  .site-footer__social {
    grid-area: social;
    min-width: 0;
  }

  .site-footer__heading {
    margin-bottom: 9px;
    font-size: clamp(0.9rem, 4.2vw, 1.05rem);
    line-height: 1.2;
  }

  .site-footer__link {
    justify-content: center;
    margin-inline: auto;
    font-size: clamp(0.75rem, 3.5vw, 0.88rem);
    line-height: 1.25;
  }

  .site-footer__social-links {
    justify-content: center;
    gap: 12px;
  }

  .site-footer__social-links a {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }

  .site-footer__icon {
    width: 24px;
    height: 24px;
  }

  .site-footer__copyright {
    grid-area: copy;
    padding-top: 13px;
    border-top: 2px solid var(--footer-accent);
    font-size: clamp(0.72rem, 3.4vw, 0.84rem);
    line-height: 1.35;
  }
}

/* Celulares muy pequeños */
@media (max-width: 390px) {
  .site-footer__inner {
    width: min(100% - 24px, 520px);
    column-gap: 10px;
    row-gap: 14px;
    padding: 22px 0 16px;
  }

  .site-footer__title {
    font-size: 0.98rem;
  }

  .site-footer__subtitle {
    font-size: 0.78rem;
  }

  .site-footer__heading {
    font-size: 0.88rem;
  }

  .site-footer__link {
    font-size: 0.74rem;
  }

  .site-footer__social-links {
    gap: 10px;
  }

  .site-footer__social-links a {
    width: 28px;
    height: 28px;
  }

  .site-footer__icon {
    width: 22px;
    height: 22px;
  }

  .site-footer__copyright {
    font-size: 0.72rem;
  }
}