/* Reset minimo */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }

/* Tipografia: Hemiheads para titulos, system-ui para el resto.
   Nota: el original declara 'Montserrat' pero nunca la carga (sin Google Fonts,
   sin bundle) — se replica ese comportamiento a proposito (ver inventario, seccion 5). */
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-page);
  color: var(--text-body);
  transition: background-color .2s ease, color .2s ease;
}
h1, h2, h3, .font-headline {
  font-family: 'Hemiheads', system-ui, sans-serif;
  font-weight: normal;
  letter-spacing: .02em;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Nav unificada (decision checkpoint 1, #9): el sitio original no tenia una
   nav consistente entre pantallas; aqui se unifica tipo sitio web normal. */
.site-nav {
  background: var(--bg-nav);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}
.site-nav__brand {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.site-nav__brand img { height: 34px; width: auto; }
.site-nav__links {
  display: flex;
  gap: 1.75rem;
}
.site-nav__links a {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  padding: .4rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav__links a.is-active,
.site-nav__links a:hover {
  border-bottom-color: var(--color-primary-orange);
}
.theme-toggle {
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
}

/* Footer (existe solo en Inicio en el original; ahora unificado en todas las paginas) */
.site-footer {
  background: var(--color-footer-beige);
  color: var(--color-primary-navy);
  padding: 2rem 0;
  margin-top: 3rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-footer__social {
  display: flex;
  gap: 1rem;
  align-items: center;
}
.site-footer__social a {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 600;
}
.site-footer__social img { height: 22px; width: 22px; }
.icon-facebook {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--color-facebook-blue);
  color: #fff; display: grid; place-items: center;
  font-size: .8rem; font-weight: 700;
}
.site-footer__copy {
  font-size: .8rem;
  color: var(--color-primary-navy);
  opacity: .85;
}

@media (max-width: 720px) {
  .site-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-nav);
    padding: .5rem 1.25rem 1rem;
  }
  .site-nav.is-open .site-nav__links { display: flex; }
  .site-nav__links a { display: block; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .nav-toggle { display: block; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}