/* ABOUTME: Space-themed visual system for the Catilda landing page. */
/* ABOUTME: Deep indigo void, warm copper signal, porthole rings, starfield canvas. */

:root {
  --void: #06060f;
  --hull: #0c0c1a;
  --mist: #a89bc8;
  --star: #f2eef8;
  --signal: #d4a35c;
  --signal-soft: rgba(212, 163, 92, 0.35);
  --ring: rgba(168, 155, 200, 0.28);
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  position: relative;
  min-height: 100vh;
  color: var(--star);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, #1a1433 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 90%, #12102a 0%, transparent 50%),
    var(--void);
  font-family: var(--font-body);
  font-weight: 300;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.top,
.stage,
.foot {
  position: relative;
  z-index: 2;
}

.top {
  display: flex;
  align-items: center;
  padding: 1.5rem 1.75rem;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--star);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mark:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.mark-orb {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px var(--signal), 0 0 28px var(--signal-soft);
  animation: pulse 3.2s ease-in-out infinite;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - 8rem);
  padding: 2rem 1.5rem 4rem;
}

.porthole {
  position: relative;
  width: min(18rem, 70vw);
  height: min(18rem, 70vw);
  margin-bottom: 2.25rem;
}

.ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--ring);
}

.ring-a {
  inset: 8%;
  border-color: rgba(212, 163, 92, 0.22);
  animation: spin 48s linear infinite;
  border-top-color: var(--signal);
  border-right-color: transparent;
}

.ring-b {
  inset: 18%;
  animation: spin 72s linear infinite reverse;
  border-bottom-color: rgba(242, 238, 248, 0.45);
  border-left-color: transparent;
}

.ring-c {
  inset: 32%;
  background:
    radial-gradient(circle at 35% 30%, rgba(242, 238, 248, 0.14), transparent 45%),
    radial-gradient(circle at 60% 65%, rgba(212, 163, 92, 0.12), transparent 40%),
    rgba(12, 12, 26, 0.55);
  border-color: rgba(168, 155, 200, 0.4);
  box-shadow: inset 0 0 40px rgba(6, 6, 15, 0.8);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--mist);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 6.5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 0.95;
  text-shadow: 0 0 60px rgba(168, 155, 200, 0.25);
}

.lede {
  max-width: 28rem;
  margin: 1.35rem 0 0;
  color: rgba(242, 238, 248, 0.78);
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  font-weight: 300;
  line-height: 1.55;
}

.status {
  margin: 2rem 0 0;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--signal-soft);
  border-radius: 999px;
  color: var(--signal);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  background: rgba(212, 163, 92, 0.06);
}

.foot {
  display: flex;
  justify-content: center;
  padding: 1.25rem 1.5rem 2rem;
  color: rgba(168, 155, 200, 0.55);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.85);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mark-orb,
  .ring-a,
  .ring-b {
    animation: none;
  }
}