/* =====================
   FOOTER
===================== */
.footer {
  background: var(--bg-footer);
  padding: 56px 48px 28px;
  color: var(--footer-text);
}

/* Grid: columna de marca + grid de columnas de links */
.footer-top {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 52px;
  padding-bottom: 40px;
  border-bottom: 0.5px solid var(--footer-border);
  margin-bottom: 28px;
}

/* 3 columnas iguales: Ejes, Ecosistema, Síguenos */
.footer-cols-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.footer-col-siguenos,
.footer-col-ejes,
.footer-col-ecosistema { text-align: left; }

/* br solo visible en responsive */
.break-responsive { display: none; }

/* Columna de marca */
.footer-brand-name {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--footer-text);
  font-weight: 500;
  margin-bottom: 12px;
  font-family: 'DM Sans', sans-serif;
  opacity: 0.9;
}

.footer-tagline {
  font-size: 15.6px;
  color: var(--footer-muted);
  line-height: 1.75;
  max-width: 300px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
}

.footer-note {
  font-size: 12px;
  color: var(--footer-muted-dim);
  margin-top: 18px;
  padding-top: 18px;
  border-top: 0.5px solid var(--footer-border);
  line-height: 1.65;
  font-family: 'DM Sans', sans-serif;
}

/* Títulos de columnas */
.footer-col-title {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--footer-text);
  font-weight: 500;
  margin-bottom: 16px;
  font-family: 'DM Sans', sans-serif;
  opacity: 0.9;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0; }

.footer-links a {
  font-size: 14px;
  color: var(--footer-muted);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  transition: color 0.2s;
  line-height: 1.4;
}

.footer-links a:hover { color: var(--footer-text); }

/* Botón de Telegram — solo icono cuadrado */
.footer-social { display: flex; flex-direction: column; gap: 10px; }

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  flex-shrink: 0;
  /* El footer siempre es oscuro — borde e icono blancos en ambos temas */
  color: #F0EAE8;
  border: 0.5px solid #F0EAE8;
}

.social-btn svg { flex-shrink: 0; }

/* Dark hover: fondo vinotinto */
[data-theme="dark"] .social-btn:hover  { background: #702030; color: #F0EAE8; border-color: #F0EAE8; }

/* Light hover: fondo crema, icono vinotinto */
[data-theme="light"] .social-btn:hover { background: #F0EAE8; color: #702030; border-color: #702030; }

/* Barra inferior: copyright | dominio */
.footer-legal-line { display: none; } /* visible solo en responsive */

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-separator { color: var(--footer-muted-dim); font-size: 12px; }

.footer-copy {
  font-size: 12px;
  font-weight: 400;
  color: var(--footer-muted);
  letter-spacing: 0.06em;
  font-family: 'DM Sans', sans-serif;
}

.footer-copy a { color: inherit; text-decoration: none; transition: color 0.2s; }
.footer-copy a:hover { color: var(--footer-text); }

.footer-todo {
  font-size: 12px;
  font-weight: 400;
  color: var(--footer-muted-dim);
  letter-spacing: 0.06em;
  font-family: 'DM Sans', sans-serif;
}

.footer-ai-note {
  font-size: 12px;
  color: var(--footer-muted-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
}

.footer-dot {
  width: 4px;
  height: 4px;
  background: var(--footer-muted);
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 1100px) {
  .footer     { padding: 40px 28px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }

  .footer-brand-col { text-align: center; }
  .footer-tagline   { max-width: none; margin: 0 auto; }

  /* Dos columnas: Ejes (izquierda), Ecosistema+Síguenos (derecha) */
  .footer-cols-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 0;
  }

  .footer-col-ejes {
    text-align: right;
    padding-right: 24px;
    border-right: 0.5px solid var(--footer-border);
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  /* br visible en responsive */
  .footer-col-ejes .footer-col-title .break-responsive { display: inline; }

  .footer-col-ecosistema { text-align: left; padding-left: 24px; grid-column: 2; grid-row: 1; }
  .footer-col-siguenos   { text-align: left; padding-left: 24px; grid-column: 2; grid-row: 2; margin-top: 24px; }

  .footer-bottom { flex-direction: column; text-align: center; gap: 4px; }

  .footer-legal {
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    align-items: center;
  }

  /* Ocultar separador |, mostrar línea horizontal entre los dos textos */
  .footer-separator { display: none; }

  .footer-legal-line {
    display: block;
    width: 100%;
    max-width: 220px;
    height: 0.5px;
    background: var(--footer-border);
  }

  .footer-copy,
  .footer-ai-note { justify-content: center; }
}

@media (max-width: 680px) {
  .footer        { padding: 32px 18px 20px; }
  .footer-top    { grid-template-columns: 1fr; }
  .footer-bottom { gap: 2px; }
}