.not-found-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: 2rem;
  min-height: 50vh;
}

.not-found-content {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin: auto;
}

.not-found-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

.not-found-text {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--y-color-text-dark);
  font-weight: 600;
  margin-bottom: 1rem;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  background: linear-gradient(180deg, hsl(193, 65%, 65%) 0%, var(--y-main) 100%);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 58px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-back:hover {
  background: linear-gradient(180deg, hsl(193, 65%, 65%) 0%, var(--y-main) 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.btn-back i {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}

@media (max-width: 992px) {
  .not-found-container {
    padding: 3rem 1rem;
    min-height: 50vh;
  }

  .not-found-img {
    max-width: 350px;
  }

  .not-found-text {
    font-size: 1.1rem;
  }

  .btn-back {
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .not-found-container {
    padding: 2rem 1rem;
  }

  .not-found-img {
    max-width: 280px;
  }

  .not-found-text {
    font-size: clamp(0.9rem, 3.5vw, 1rem);
    padding: 0 1rem;
  }

  .btn-back {
    font-size: 1rem;
    padding: 0.75rem 2rem;
  }
}

@media (max-width: 576px) {
  .not-found-container {
    padding: 1.5rem 0.75rem;
  }

  .not-found-content {
    gap: 1.5rem;
  }

  .not-found-img {
    max-width: 220px;
  }

  .not-found-text {
    font-size: 0.9rem;
    padding: 0 0.5rem;
    line-height: 1.5;
  }

  .btn-back {
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
    width: auto;
    max-width: 90%;
    gap: 0.5rem;
  }

  .btn-back i {
    font-size: 0.9rem;
  }
}

main .pro h1 {
  margin-bottom: 2rem;
  font-size: 2rem;
  font-weight: bold;
  text-align: right;
}

@media (max-width: 768px) {
  main .pro h1 {
    padding: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
  }
}