/**
 * QSNet error pages.
 * Shared by the WordPress 404 template and static Nginx error documents.
 */

:root {
  --qsnet-error-primary: #ec0606;
  --qsnet-error-secondary: #343434;
  --qsnet-error-muted: #667085;
  --qsnet-error-border: rgba(236, 6, 6, 0.12);
  --qsnet-error-surface: #ffffff;
  --qsnet-error-surface-soft: #fff4f4;
  --qsnet-error-background: #f4f6f8;
  --qsnet-error-shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
  --qsnet-error-radius: 24px;
}

.qsnet-error-doc {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(236, 6, 6, 0.08), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, var(--qsnet-error-background) 100%);
  color: var(--qsnet-error-secondary);
  font-family: "Segoe UI", Arial, sans-serif;
}

.qsnet-error-doc__viewport {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.qsnet-error-doc__header,
.qsnet-error-doc__footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.qsnet-error-doc__utility,
.qsnet-error-doc__brandbar,
.qsnet-error-doc__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.qsnet-error-doc__utility {
  padding: 18px 0 14px;
  font-size: 13px;
  color: var(--qsnet-error-muted);
  border-bottom: 1px solid rgba(52, 52, 52, 0.08);
}

.qsnet-error-doc__brandbar {
  padding: 18px 0 10px;
}

.qsnet-error-doc__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--qsnet-error-secondary);
  text-decoration: none;
}

.qsnet-error-doc__brand span {
  color: var(--qsnet-error-primary);
}

.qsnet-error-doc__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--qsnet-error-secondary);
  text-decoration: none;
}

.qsnet-error-doc__link:hover,
.qsnet-error-doc__link:focus {
  color: var(--qsnet-error-primary);
}

.qsnet-error-doc__main {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 20px 0 56px;
}

.qsnet-error-page {
  padding: 32px 0 72px;
  background:
    radial-gradient(circle at top right, rgba(236, 6, 6, 0.08), transparent 28%),
    linear-gradient(180deg, #fafafa 0%, #f4f6f8 100%);
}

.qsnet-error-page .container,
.qsnet-error-doc__main .qsnet-error-stage {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.qsnet-error-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.85fr);
  gap: 32px;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--qsnet-error-border);
  border-radius: var(--qsnet-error-radius);
  background:
    linear-gradient(135deg, var(--qsnet-error-surface) 0%, var(--qsnet-error-surface-soft) 48%, #f9fafb 100%);
  box-shadow: var(--qsnet-error-shadow);
  overflow: hidden;
}

.qsnet-error-stage::before,
.qsnet-error-stage::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.qsnet-error-stage::before {
  top: -120px;
  right: -80px;
  width: 280px;
  height: 280px;
  background: rgba(236, 6, 6, 0.08);
}

.qsnet-error-stage::after {
  bottom: -140px;
  left: -100px;
  width: 320px;
  height: 320px;
  background: rgba(52, 52, 52, 0.04);
}

.qsnet-error-copy,
.qsnet-error-panel {
  position: relative;
  z-index: 1;
}

.qsnet-error-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(236, 6, 6, 0.08);
  color: var(--qsnet-error-primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.qsnet-error-title {
  margin: 18px 0 16px;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.04;
  color: #161b26;
}

.qsnet-error-description {
  margin: 0;
  max-width: 700px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--qsnet-error-muted);
}

.qsnet-error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.qsnet-error-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.qsnet-error-button:hover,
.qsnet-error-button:focus {
  transform: translateY(-1px);
}

.qsnet-error-button--primary {
  background: var(--qsnet-error-primary);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(236, 6, 6, 0.22);
}

.qsnet-error-button--primary:hover,
.qsnet-error-button--primary:focus {
  color: #ffffff;
  background: #c80505;
}

.qsnet-error-button--ghost {
  border-color: rgba(22, 27, 38, 0.12);
  background: rgba(255, 255, 255, 0.82);
  color: var(--qsnet-error-secondary);
}

.qsnet-error-button--ghost:hover,
.qsnet-error-button--ghost:focus {
  border-color: rgba(236, 6, 6, 0.26);
  color: var(--qsnet-error-primary);
}

.qsnet-error-button--soft {
  background: #161b26;
  color: #ffffff;
}

.qsnet-error-button--soft:hover,
.qsnet-error-button--soft:focus {
  color: #ffffff;
  background: #0f131b;
}

.qsnet-error-search {
  margin-top: 32px;
  padding: 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(22, 27, 38, 0.07);
}

.qsnet-error-search__label {
  display: block;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #161b26;
}

.qsnet-error-search__row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.qsnet-error-search__input {
  flex: 1;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid rgba(22, 27, 38, 0.12);
  border-radius: 999px;
  background: #ffffff;
  color: #161b26;
  font-size: 15px;
}

.qsnet-error-search__input:focus {
  outline: none;
  border-color: rgba(236, 6, 6, 0.4);
  box-shadow: 0 0 0 4px rgba(236, 6, 6, 0.08);
}

.qsnet-error-search__submit {
  white-space: nowrap;
}

.qsnet-error-panel {
  display: grid;
  align-content: start;
  gap: 22px;
  padding: 24px;
  border-radius: 22px;
  background: rgba(22, 27, 38, 0.94);
  color: #ffffff;
}

.qsnet-error-code {
  font-size: clamp(72px, 12vw, 128px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: #ffffff;
}

.qsnet-error-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.qsnet-error-list li {
  position: relative;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.6;
}

.qsnet-error-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qsnet-error-primary);
  transform: translateY(-50%);
}

.qsnet-error-note {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.qsnet-error-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.qsnet-error-note p {
  margin: 0;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
}

.qsnet-error-doc__footer {
  padding: 0 0 28px;
  font-size: 13px;
  color: var(--qsnet-error-muted);
}

@media (max-width: 991px) {
  .qsnet-error-stage {
    grid-template-columns: 1fr;
  }

  .qsnet-error-panel {
    order: -1;
  }

  .qsnet-error-code {
    font-size: 84px;
  }
}

@media (max-width: 767px) {
  .qsnet-error-doc__utility,
  .qsnet-error-doc__brandbar,
  .qsnet-error-doc__footer,
  .qsnet-error-search__row {
    flex-direction: column;
    align-items: flex-start;
  }

  .qsnet-error-page {
    padding: 20px 0 56px;
  }

  .qsnet-error-stage {
    gap: 24px;
    padding: 24px;
    border-radius: 20px;
  }

  .qsnet-error-title {
    font-size: 32px;
  }

  .qsnet-error-description {
    font-size: 15px;
  }

  .qsnet-error-button,
  .qsnet-error-search__submit {
    width: 100%;
  }

  .qsnet-error-search__input {
    width: 100%;
  }
}