/* === Body === */
body {
  margin: 0;
  padding-top: 0;
  background: var(--gradient-sky-horizontal);
  color: var(--text-color);
  font-family: var(--font-family-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === Animated Branch Image === */
.error__branch img {
  position: absolute;
  bottom: -5%;
  left: -5%;
  width: clamp(400px, 80%, 600px);
  transform-origin: bottom left;
  animation: sway 5s ease-in-out infinite;
  filter: grayscale(30%);
  object-fit: contain;
  will-change: transform;
  pointer-events: none;
  z-index: -1;
}

@keyframes sway {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(2deg); }
}

/* === Error Message === */
.error__message {
  background: var(--background-color-transparent);
  backdrop-filter: blur(8px);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-md);
  padding: clamp(1rem, 2vw, 2rem);
  max-width: min(90%, 600px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-medium);
  position: relative;
}

/* Large 404 Overlay */
.error__message::before {
  content: "404";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-family-secondary);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(45deg, var(--accent-color), var(--title-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.08;
  z-index: -1;
  pointer-events: none;
}

/* === Title === */
.error__title {
  font-family: var(--font-family-secondary);
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--title-color);
  margin: 0;
}

/* === Description === */
.error__text {
  font-family: var(--font-family-primary);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--text-color);
  text-align: center;
  font-style: italic;
  line-height: 1.5;
  margin: 0;
  padding: 0 var(--spacing-small);
}

/* === Button === */
.error__link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--spacing-small) var(--spacing-large);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--border-radius-medium);
  color: var(--color-on-primary);
  background-color: var(--accent-color);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-duration-default) var(--transition-easing-smooth);
}

.error__link-button:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.error__link-button:focus-visible {
  outline: 2px solid var(--color-info);
  outline-offset: 3px;
}

/* === Footer === */
.container-footer {
  z-index: 9;
}