/* ══════════════════════════════════════════════════════════════════
   ZIFRO · header y footer compartidos para las tres páginas
   ventas.html · politica-de-privacidad.html · terminos-y-condiciones.html
   ══════════════════════════════════════════════════════════════════ */

html {
  scroll-padding-top: 104px;
}

@media (min-width: 861px) {
  html {
    scroll-padding-top: 88px;
  }
}

/* ───────── HEADER ───────── */

#hd {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(243, 238, 227, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

#hd.s {
  border-color: var(--ln);
}

#hd .zf-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.zf-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: max(28px, env(safe-area-inset-left, 0px));
  padding-right: max(28px, env(safe-area-inset-right, 0px));
}

.zf-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--ink);
  text-decoration: none;
}

.zf-logo svg {
  display: block;
}

.zf-logo--anim {
  display: block;
  flex: none;
  width: 150px;
  height: 51px;
  overflow: hidden;
}

.zf-logo-anim {
  display: block;
  width: 150px;
  height: 51px;
  border: 0;
  background: transparent;
  pointer-events: none;
}

.zf-logo .zf-word {
  stroke: var(--ink);
}

.zf-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 15px;
  font-weight: 560;
  font-stretch: 95%;
}

.zf-nav a {
  position: relative;
  padding: 6px 0;
  color: var(--mut);
  text-decoration: none;
  transition: color 0.2s;
}

.zf-nav a:hover {
  color: var(--or);
}

.zf-nav a[aria-current="page"] {
  color: var(--ink);
}

.zf-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  border-radius: 2px;
  background: var(--or);
}

.zf-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  min-height: 44px;
  padding: 0 20px;
  border: 1.5px solid var(--or);
  border-radius: 99px;
  background: var(--or);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.zf-cta:hover {
  background: var(--ink);
  border-color: var(--ink);
}

.zf-cta:active {
  transform: scale(0.97);
}

/* ───────── FOOTER ───────── */

#zf-foot {
  position: relative;
  overflow: hidden;
  padding: 58px 0 calc(22px + env(safe-area-inset-bottom, 0px));
  background: var(--ink);
  color: #a8a299;
  border-top: 3px solid var(--or);
  font-size: 15px;
}

#zf-foot::before {
  display: none !important;
}

#zf-foot .zf-fmain {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr);
  gap: 56px;
}

#zf-foot .zf-flogo {
  color: var(--cr);
}

#zf-foot .zf-flogo .zf-word {
  stroke: var(--cr);
}

#zf-foot .zf-fbrand p {
  max-width: 34ch;
  margin: 18px 0 22px;
  line-height: 1.55;
  color: #a8a299;
}

#zf-foot .zf-fcta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--or);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s;
}

#zf-foot .zf-fcta:hover {
  color: var(--cr);
}

#zf-foot .zf-fnav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

#zf-foot .zf-fnav h4 {
  margin: 0 0 14px;
  color: #7d776d;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#zf-foot .zf-fnav a {
  display: block;
  padding: 5px 0;
  color: #c9c3b7;
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s;
}

#zf-foot .zf-fnav a:hover {
  color: var(--or);
}

#zf-foot .zf-fbase {
  margin-top: 48px;
  border-top: 1px solid rgba(243, 238, 227, 0.12);
  padding-top: 18px;
}

#zf-foot .zf-fbasein {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  color: #8d877c;
  font-size: 13px;
}

#zf-foot .zf-fbasein a {
  color: #c9c3b7;
  text-decoration: none;
  transition: color 0.2s;
}

#zf-foot .zf-fbasein a:hover {
  color: var(--or);
}

#zf-foot .zf-fmeta {
  font-size: 12px;
  letter-spacing: 0.02em;
}

/* ───────── RESPONSIVE ───────── */

@media (max-width: 860px) {
  .zf-logo--anim,
  .zf-logo-anim {
    width: 120px;
    height: 41px;
  }

  #hd .zf-wrap {
    height: auto;
    flex-wrap: wrap;
    row-gap: 0;
    padding-top: 9px;
  }

  .zf-cta {
    min-height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .zf-nav {
    order: 3;
    width: 100%;
    gap: 0;
    justify-content: space-between;
    margin-top: 9px;
    border-top: 1px solid var(--ln);
    font-size: 13.5px;
  }

  .zf-nav a {
    padding: 11px 2px;
  }

  #zf-foot .zf-fmain {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  #zf-foot .zf-fnav {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  #zf-foot .zf-fnav > div:last-child {
    grid-column: 1 / -1;
  }

  #zf-foot .zf-fbase {
    margin-top: 36px;
  }
}

@media (max-width: 360px) {
  .zf-nav {
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #hd,
  .zf-cta,
  .zf-nav a,
  #zf-foot a {
    transition: none;
  }
}