/* ============================================================
   ENTRÉNATE · 404.CSS
   Estilos de la página de error 404
   ============================================================ */

.error-404 {
  padding: var(--section-padding-y-mobile) 0;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .error-404 {
    padding: var(--section-padding-y) 0;
  }
}

/* Fondo decorativo sutil */
.error-404::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle,
    color-mix(in srgb, var(--color-camel-500) 12%, transparent) 0%,
    transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.error-404 .container {
  position: relative;
  z-index: 1;
}

/* ============================================================
   GRID PRINCIPAL
   ============================================================ */
.error-404__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-16);
}
@media (min-width: 992px) {
  .error-404__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

/* ============================================================
   VISUAL: 4 😞 4
   ============================================================ */
.error-404__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.error-404__code {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.error-404__digit {
  font-size: clamp(80px, 15vw, 160px);
  font-weight: var(--fw-bold);
  font-family: var(--font-body);
  color: var(--text-primary);
  line-height: 1;
}
.error-404__digit--middle {
  color: var(--color-camel-500);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.error-404__digit--middle svg {
  width: clamp(70px, 14vw, 140px);
  height: clamp(70px, 14vw, 140px);
}

/* Círculos decorativos girando */
.error-404__decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.error-404__circle {
  position: absolute;
  border-radius: 50%;
  border: 2px dashed color-mix(in srgb, var(--color-camel-500) 50%, transparent);
  animation: error-404-rotate 20s linear infinite;
}
.error-404__circle--1 {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.error-404__circle--2 {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  animation-direction: reverse;
  animation-duration: 15s;
}
.error-404__circle--3 {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  animation-duration: 25s;
}

@keyframes error-404-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   CONTENIDO
   ============================================================ */
.error-404__content {
  text-align: center;
}
@media (min-width: 992px) {
  .error-404__content {
    text-align: left;
  }
}

.error-404__badge {
  display: inline-block;
  padding: 8px 20px;
  background: color-mix(in srgb, var(--color-camel-500) 12%, transparent);
  color: var(--color-camel-600);
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}

.error-404__heading {
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-5);
  text-wrap: balance;
}

.error-404__text {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  max-width: 50ch;
}
@media (min-width: 992px) {
  .error-404__text {
    margin-left: 0;
    margin-right: auto;
  }
}
@media (max-width: 991px) {
  .error-404__text {
    margin-left: auto;
    margin-right: auto;
  }
}

.error-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}
@media (min-width: 992px) {
  .error-404__actions {
    justify-content: flex-start;
  }
}

/* ============================================================
   NAVEGACIÓN RÁPIDA
   ============================================================ */
.error-404__nav {
  background: var(--bg-elevated);
  border: var(--border-width-thin) solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}
@media (min-width: 768px) {
  .error-404__nav {
    padding: var(--space-10) var(--space-8);
  }
}

.error-404__nav-title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  letter-spacing: var(--ls-snug);
}

.error-404__nav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 576px) {
  .error-404__nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .error-404__nav-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.error-404__nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-subtle);
  border: var(--border-width-thin) solid transparent;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-out);
  text-align: left;
}
.error-404__nav-item:hover {
  border-color: color-mix(in srgb, var(--color-camel-500) 50%, transparent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.error-404__nav-item:hover .error-404__nav-icon {
  background: var(--color-camel-500);
  color: var(--color-white);
}

.error-404__nav-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-camel-500) 12%, transparent);
  color: var(--color-camel-500);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-out);
}
.error-404__nav-icon svg {
  width: 24px;
  height: 24px;
}

.error-404__nav-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.error-404__nav-label {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
}

.error-404__nav-desc {
  font-size: var(--fs-micro);
  color: var(--text-muted);
}