.page-not-found-main {
  position: relative;

  min-height: 800px;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 150px 20px;

  overflow: hidden;

  background: var(--bg);
}

.page-not-found-bg {
  position: absolute;
  inset: 0;

  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);

  background-size: 50px 50px;
}

.page-not-found-main::before {
  content: "";

  position: absolute;

  top: -250px;
  right: -250px;

  width: 700px;
  height: 700px;

  border-radius: 50%;

  background: radial-gradient(rgba(51, 65, 85, 0.08), transparent 70%);
}

.page-not-found-main::after {
  content: "";

  position: absolute;

  bottom: -250px;
  left: -250px;

  width: 700px;
  height: 700px;

  border-radius: 50%;

  background: radial-gradient(rgba(51, 65, 85, 0.05), transparent 70%);
}

.page-not-found-container {
  position: relative;
  z-index: 2;

  max-width: 800px;

  text-align: center;
}

.page-not-found-tag {
  display: inline-flex;

  padding: 8px 16px;

  border-radius: 999px;

  background: rgba(51, 65, 85, 0.06);

  color: var(--primary);

  font-size: 0.75rem;
  font-weight: 800;

  text-transform: uppercase;

  letter-spacing: 0.08em;
}

.page-not-found-title {
  margin: 24px 0 20px;

  font-family: var(--font-heading);

  font-size: clamp(2.8rem, 5vw, 4.8rem);

  line-height: 1.3;

  color: var(--text-primary);
}

.page-not-found-description {
  max-width: 600px;

  margin: 0 auto;

  color: var(--text-secondary);

  font-size: 1.05rem;

  line-height: 1.9;
}

.page-not-found-actions {
  margin-top: 40px;
}

.page-not-found-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  text-decoration: none;

  padding: 16px 30px;

  border-radius: 12px;

  background: var(--primary);

  color: var(--text-on-primary);

  font-weight: 700;

  transition: all 0.3s ease;

  box-shadow: 0 15px 35px rgba(51, 65, 85, 0.15);
}

.page-not-found-btn:hover {
  transform: translateY(-3px);

  box-shadow: 0 20px 40px rgba(51, 65, 85, 0.22);
}

.page-not-found-number {
  position: absolute;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  font-size: clamp(10rem, 22vw, 18rem);

  font-weight: 900;

  color: rgb(51 65 85 / 8%);

  line-height: 1;

  user-select: none;

  pointer-events: none;

  z-index: -1;
}

@media (max-width: 768px) {
  .page-not-found-title {
    font-size: 2.5rem;
  }

  .page-not-found-description {
    font-size: 0.95rem;
  }

  .page-not-found-number {
    font-size: 8rem;
  }
}