/* Estructura compartida: contenedor, header, navegación y footer. */

/* Contenedor y cabecera */
.shell {
  width: min(var(--shell), calc(100% - 88px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  width: 100%;
  margin: 0;
  color: #203a29;
  background: #eadca7;
  border-bottom: 1px solid rgba(31, 55, 36, .28);
}

.site-header .shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
  width: min(var(--shell), calc(100% - 88px));
  min-height: 70px;
  padding-block: 4px;
}

.site-nav, .nav-right, .hero-links, .filters {
  display: flex;
  align-items: center;
}

.site-nav {
  justify-content: center;
  gap: 36px;
}

.nav-right {
  justify-content: flex-end;
  gap: 9px;
}

.hero-links {
  flex-wrap: wrap;
  gap: 29px;
  margin-top: 36px;
}

.filters {
  flex-wrap: wrap;
  gap: 11px;
}

/* Footer */
.site-footer {
  color: var(--color-cream);
  background: var(--color-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.6fr) repeat(3, minmax(140px, 1fr));
  align-items: start;
  gap: clamp(32px, 5vw, 76px);
  padding-block: clamp(42px, 6vw, 68px);
  border-top: 1px solid rgba(242, 238, 223, .3);
}

.footer-block {
  min-width: 0;
}

.footer-title {
  margin: 0 0 18px;
  color: var(--color-sun);
  font: 900 .72rem/1.35 var(--font-sans);
  letter-spacing: .17em;
  text-transform: uppercase;
}

.footer-block p {
  color: rgba(242, 238, 223, .78);
  font-size: .92rem;
  line-height: 1.6;
}

.footer-brand p {
  max-width: 320px;
}

.footer-block ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-block li {
  margin-block: .5rem;
}

.footer-block a {
  display: inline-block;
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.45;
  text-decoration-color: transparent;
  text-underline-offset: 5px;
  transition: color .18s ease, text-decoration-color .18s ease;
}

.footer-block a:hover {
  color: var(--color-sun);
  text-decoration-color: currentColor;
}

.footer-origin > a {
  margin-top: 12px;
}

.site-footer a:focus-visible {
  outline-color: var(--color-sun);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px 24px;
  color: rgba(242, 238, 223, .78);
  border-top: 1px solid rgba(242, 238, 223, .3);
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.5;
}

.footer-bottom a {
  text-decoration-color: rgba(242, 238, 223, .45);
  text-underline-offset: 5px;
}

/* Enlaces de navegación: base antes de sus ajustes responsive */
.site-nav a {
  position: relative;
  padding: 10px 2px;
  font-size: .91rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--color-forest);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
  content: "";
}

.site-nav a:hover::after, .site-nav a:focus-visible::after {
  transform: scaleX(1);
}

/* Responsive: estos ajustes se aplican hasta 1040 px, incluidos. */
@media (max-width: 1040px) {
  .shell {
    width: min(var(--shell), calc(100% - 48px));
  }

  .site-header .shell {
    width: min(var(--shell), calc(100% - 48px));
    gap: 20px;
  }

  .site-nav {
    gap: 24px;
  }

}

/* Responsive: estos ajustes se aplican hasta 900 px, incluidos. */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 38px clamp(28px, 7vw, 54px);
  }

}

/* Responsive: estos ajustes se aplican hasta 820 px, incluidos. */
@media (max-width: 820px) {
  :root {
    --header-offset: 72px;
  }

  .site-header .shell {
    width: calc(100% - 36px);
    gap: 12px;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 18px 18px;
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    box-shadow: 0 14px 28px rgba(17, 31, 20, .12);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 2px;
    border-bottom: 1px solid var(--color-border);
  }

}

/* Responsive: estos ajustes se aplican hasta 720 px, incluidos. */
@media (max-width: 720px) {
  .shell {
    width: calc(100% - 36px);
  }

  .footer-grid {
    gap: 28px 20px;
    padding-block: 34px;
  }

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

  .footer-title {
    margin-bottom: 12px;
  }

  .footer-block li {
    margin: 0;
  }

  .footer-block a {
    min-height: 44px;
    padding-block: 11px;
  }

  .footer-origin > a {
    margin-top: 4px;
  }

  .footer-bottom {
    padding-bottom: calc(94px + env(safe-area-inset-bottom));
  }

}

/* Responsive: estos ajustes se aplican hasta 520 px, incluidos. */
@media (max-width: 520px) {
  .site-header .shell {
    width: calc(100% - 24px);
    min-height: 60px;
    padding-block: 4px;
  }

}

/* Responsive: estos ajustes se aplican hasta 430 px, incluidos. */
@media (max-width: 430px) {
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

}