.error-page {
  text-align: center;
  padding: 100px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.error-page h1 {
  font-size: 8rem;
  margin-bottom: 20px;
  line-height: 1;
}
.error-page h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.error-page p {
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.error-page .btn {
  display: inline-block;
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--light-text);
  transition: all 0.3s ease-in-out;
  text-transform: uppercase;
  letter-spacing: 5px;
  font-weight: 700;
  border-radius: 0px;
  padding: 16px 32px;
  border: 2px solid transparent;
  font-size: 1.5rem;
  position: relative;
  overflow: hidden;
}
.error-page .btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.2),
    transparent 80%
  );
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  z-index: 1;
}
.error-page .btn:hover {
  background-color: #818a8f;
  border-color: #818a8f;
  transform: translateY(-4px);
  border: 2px solid #444;
}
.error-page .btn:hover::before {
  opacity: 1;
}