/* Error pages (404 + custom message). Loaded alongside common.css. */

.err-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 72px 32px 80px;
  text-align: center;
}
.err-code {
  font-family: var(--font-serif);
  font-size: clamp(72px, 14vw, 140px);
  font-weight: 400;
  color: var(--purple);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.err-code svg { width: 0.72em; height: 0.72em; color: var(--purple-light); }
.err-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.err-sub { font-size: 15px; color: var(--text-secondary); margin: 0 0 40px; }

.err-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: left;
  margin: 0 auto 40px;
  max-width: 820px;
}
.err-col-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--purple-light);
  font-weight: 600;
  margin: 0 0 12px;
}
.err-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 4px 0;
}
.err-col a:hover { color: var(--purple); }

.err-or {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 420px;
  margin: 0 auto 24px;
  color: var(--text-muted);
  font-size: 13px;
}
.err-or::before, .err-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.err-btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  background: var(--purple);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}
.err-btn:hover { background: var(--purple-mid); }

/* Custom message error */
.err-message {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px 72px;
}
.err-message-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}
.err-message-card :first-child { margin-top: 0; }

@media (max-width: 768px) {
  .err-cols { grid-template-columns: repeat(2, 1fr); }
  .err-wrap { padding: 48px 20px 60px; }
}