/* Satinata — calm sans stage + soft aurora */

:root {
  --bg: #050508;
  --text: #f5f5f7;
  --muted: #8b8b96;
  --focus: #ffffff;
  --sans: "Outfit", "Helvetica Neue", Helvetica, Roboto, Arial, ui-sans-serif, system-ui, sans-serif;
  --egg-ms: 1.15s;
  --scatter-ms: 0.85s;
  --egg-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

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

html {
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}

body {
  margin: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  position: fixed;
  inset: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
  touch-action: manipulation;
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.aurora-canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.aurora-fallback {
  background:
    radial-gradient(ellipse 90% 55% at 50% 50%, rgba(225, 0, 255, 0.35) 0%, transparent 55%),
    radial-gradient(ellipse 70% 45% at 20% 60%, rgba(247, 247, 247, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 55% 40% at 80% 45%, rgba(180, 40, 255, 0.28) 0%, transparent 48%),
    var(--bg);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.stage {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding:
    calc(1rem + var(--safe-t))
    1.25rem
    calc(3.25rem + var(--safe-b));
  text-align: center;
  overflow: hidden;
  pointer-events: none;
}

.mark {
  margin: 0;
  padding: 0.15em 0.2em;
  font-size: clamp(2.35rem, 9vw, 4.25rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1.1;
  color: var(--text);
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    letter-spacing var(--egg-ms) var(--egg-ease),
    text-shadow var(--egg-ms) var(--egg-ease),
    opacity 0.2s ease;
}

.mark::selection {
  background: transparent;
  color: inherit;
}

.mark:hover {
  opacity: 0.9;
}

.mark:focus {
  outline: none;
}

.mark:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 10px;
  border-radius: 4px;
}

.mark:active {
  opacity: 0.82;
}

body.egg-on .mark {
  letter-spacing: 0.18em;
  text-shadow:
    0 0 24px rgba(225, 0, 255, 0.35),
    0 0 48px rgba(225, 0, 255, 0.15);
}

/* quote / still here line */
.line {
  margin: 1.1rem 0 0;
  max-width: min(34rem, 92vw);
  min-height: 1.5em;
  font-size: clamp(0.95rem, 2.6vw, 1.125rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.55;
  color: var(--text);
  opacity: 0.72;
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
}

.line .ch {
  display: inline-block;
  white-space: pre;
  will-change: transform, opacity, filter;
  transition:
    transform var(--scatter-ms) var(--egg-ease),
    opacity var(--scatter-ms) ease,
    filter var(--scatter-ms) ease;
}

.line.is-scatter .ch {
  opacity: 0;
  filter: blur(6px);
  transform:
    translate3d(var(--dx, 0), var(--dy, 0), 0)
    rotate(var(--rot, 0deg))
    scale(var(--sc, 1));
  transition-delay: var(--d, 0ms);
}

.line.is-arrive {
  opacity: 0.92;
}

.line.is-arrive .ch {
  opacity: 1;
  filter: blur(0);
  transform: none;
  transition-delay: var(--d, 0ms);
}

.line.is-final {
  opacity: 0.92;
  letter-spacing: 0.08em;
  font-weight: 300;
}

.foot {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 0.85rem 1.25rem calc(0.85rem + var(--safe-b));
  text-align: center;
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.foot a {
  pointer-events: auto;
  color: var(--muted);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.25s ease;
}

.foot a:hover,
.foot a:focus-visible {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.foot a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .mark,
  .line .ch {
    transition: none !important;
    transition-delay: 0ms !important;
  }

  .line.is-scatter .ch {
    filter: none;
    transform: none;
    opacity: 0;
  }
}