/* ============================================

   PÁGINA 404
   
============================================ */

.error-page {
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Inter", sans-serif;
  overflow: hidden;
}

.error-container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
  max-width: 1400px;
  width: 100%;
  padding: 2rem;
}

/* ============================================
   GRID DEL MOSAICO
============================================ */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(18, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 4px;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 18/7;
  margin: 0 auto;
}

.mosaic-tile {
  background-color: #ffffff;
  border: 2px solid #000000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  cursor: pointer;
  position: relative;
}

.mosaic-tile:hover {
  transform: rotateY(180deg);
}

.mosaic-tile.number-part {
  background-color: #000000;
  border-color: #000000;
}

.mosaic-tile.number-part:hover {
  background-color: #ffffff;
}

/* ============================================
   TEXTO
============================================ */
.error-text-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  min-width: 200px;
}

.error-text-line {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  color: #000000;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

/* ============================================
   BOTÓN DE VOLVER AL INDEX
============================================ */
.go-home-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: #000000;
  background-color: #ffd700;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.go-home-link:hover {
  background-color: #000000;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ============================================
   RESPONSIVE 1024PX
============================================ */
@media (max-width: 1024px) {
  .error-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .error-text-content {
    align-items: center;
  }

  .mosaic-grid {
    max-width: 100%;
  }
}

/* ============================================
   RESPONSIVE 768PX
============================================ */
@media (max-width: 768px) {
  .mosaic-grid {
    grid-template-columns: repeat(18, 1fr);
    gap: 2px;
  }

  .mosaic-tile {
    border-width: 1px;
  }

  .error-text-line {
    font-size: 1.5rem;
  }
}

/* ============================================
   RESPONSIVE 480PX
============================================ */
@media (max-width: 480px) {
  .mosaic-grid {
    grid-template-columns: repeat(18, 1fr);
    gap: 1px;
  }

  .error-container {
    padding: 1rem;
  }

  .error-text-line {
    font-size: 1rem;
    line-height: 0.8;
  }

  .go-home-link {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
  }
}