/* Estructura de página: header, secciones y footer. */

/* Header */
header.top {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

header.top .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}

header.top img.logo {
  width: 56px;
  height: auto;
}

nav.main {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

nav.main a {
  font: 500 15px/1 var(--body);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

nav.main a:hover { border-color: var(--red); }

.menu-btn {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  min-height: 44px;
  padding: 0 14px;
  font: 600 15px/1 var(--body);
  cursor: pointer;
}

/* Secciones */
section { position: relative; }

.pad { padding: 96px 0; }

.sec-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 44px;
  max-width: 860px;
}

.sec-head h2 { font-size: clamp(44px, 6vw, 80px); }
.sec-head h2 b { color: var(--red-ink); }

.sec-head p {
  margin: 0;
  color: var(--ink-2);
  max-width: 44em;
}

.note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--ink-2);
}

/* Footer */
footer {
  background: var(--band);
  color: #fff;
  padding: 64px 0 calc(36px + env(safe-area-inset-bottom, 0px));
}

footer .wrap {
  display: grid;
  grid-template-columns: auto repeat(3, minmax(0, 1fr));
  gap: 32px 40px;
}

footer img {
  width: 86px;
  height: auto;
}

footer .org span {
  display: block;
  margin-top: 12px;
  font: 600 15px/1.2 var(--body);
}

/* Enlaces de la columna del logo: objetivo táctil de 44 px. */
footer .org a {
  display: flex;
  align-items: center;
  min-height: 44px;
  width: fit-content;
}

footer .dep {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  overflow-wrap: anywhere;
}

footer .dep b {
  font: 600 13px/1 var(--body);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-on-ink);
  margin-bottom: 4px;
}

footer a { text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Foco visible sobre la franja oscura en ambos temas. */
footer :focus-visible { outline-color: #fff; }

.legal {
  max-width: 1280px;
  margin: 40px auto 0;
  padding: 22px var(--gutter-r) 0 var(--gutter-l);
  border-top: 1px solid rgba(255, 255, 255, .2);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: 14px;
  color: #D9CFD1;
}

@media (max-width: 1040px) {
  nav.main { gap: 18px; }
  footer .wrap { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  footer .wrap { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .menu-btn {
    display: inline-flex;
    align-items: center;
  }

  header.top .btn { display: none; }

  nav.main {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 6px var(--gutter-r) 14px var(--gutter-l);
  }

  nav.main.open { display: flex; }

  nav.main a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }

  .pad { padding: 68px 0; }

  /* Espacio para que el botón flotante de WhatsApp no tape la última línea. */
  footer { padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px)); }
}