/* =========================================================
   404 / not found page styles
   ========================================================= */

.fp-404 {
  min-height: 100vh;
  background: var(--fp-navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--fp-nav-h) 2rem 2rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.fp-404::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 500px at 50% 50%, rgba(201,165,64,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 500px 400px at 20% 100%, rgba(123,28,53,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.fp-404-inner {
  position: relative;
  max-width: 720px;
}
.fp-404-number {
  font-family: var(--fp-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(8rem, 22vw, 18rem);
  line-height: 1;
  color: var(--fp-gold);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.fp-404-inner h1 {
  font-family: var(--fp-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--fp-cream);
  margin-bottom: 1.5rem;
  letter-spacing: 0.005em;
}
.fp-404-inner h1 em { color: var(--fp-gold); font-style: italic; }
.fp-404-inner p {
  color: var(--fp-text-dark-muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
  letter-spacing: 0.04em;
}
.fp-404-rule {
  width: 80px;
  height: 0.5px;
  background: var(--fp-gold);
  margin: 2rem auto;
}
.fp-404-rings {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  pointer-events: none;
}
.fp-404-rings span {
  position: absolute;
  inset: 0;
  border: 0.5px solid rgba(201,165,64,0.12);
  border-radius: 50%;
  animation: fpRing 6s ease-in-out infinite;
}
.fp-404-rings span:nth-child(2) { animation-delay: 2s; inset: 15%; }
.fp-404-rings span:nth-child(3) { animation-delay: 4s; inset: 30%; }