:root {
  --bg: #03100d;
  --teal: #1ff0c8;
  --teal-dim: #1ff0c899;
  --ink: #d7fff4;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

body {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100svh;
}

#wave {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 6s steps(6) infinite;
}

@keyframes grain {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-4%, 3%); }
  40% { transform: translate(3%, -5%); }
  60% { transform: translate(-3%, 4%); }
  80% { transform: translate(5%, 2%); }
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.55) 100%);
}

.stage {
  position: relative;
  z-index: 3;
  width: min(90vw, 640px);
  text-align: center;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4rem;
}

.wordmark {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  font-weight: 300;
  font-size: clamp(2rem, 7vw, 4.6rem);
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  line-height: 1;
  color: var(--ink);
  text-shadow: 0 0 18px rgba(31,240,200,0.35), 0 0 42px rgba(31,240,200,0.18);
  animation: flicker 7s infinite steps(1);
}

.wordmark span:last-child {
  font-weight: 500;
  color: var(--teal);
  text-shadow: 0 0 16px rgba(31,240,200,0.65), 0 0 50px rgba(31,240,200,0.35);
}

@keyframes flicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: 0.35; }
  94% { opacity: 1; }
  96% { opacity: 0.6; }
  97% { opacity: 1; }
}

.tagline {
  font-family: "Space Mono", monospace;
  font-size: clamp(0.72rem, 1.7vw, 0.95rem);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(215,255,244,0.5);
}

.signal { width: 100%; }

.field {
  position: relative;
  display: flex;
  align-items: center;
  width: min(420px, 80vw);
  margin: 0 auto;
}

.field input[type="email"] {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font-family: "Space Mono", monospace;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  padding: 0.9rem 0.5rem;
  caret-color: var(--teal);
}

.field input::placeholder {
  color: rgba(215,255,244,0.28);
  text-transform: lowercase;
  letter-spacing: 0.18em;
}

.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

#submit {
  background: transparent;
  border: none;
  color: rgba(215,255,244,0.4);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  transition: color 0.4s var(--ease), transform 0.4s var(--ease), text-shadow 0.4s var(--ease);
}

#submit:hover, .field input:focus ~ #submit {
  color: var(--teal);
  transform: translateX(4px);
  text-shadow: 0 0 14px rgba(31,240,200,0.7);
}

.underline {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: rgba(215,255,244,0.16);
}

.underline::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.7s var(--ease);
  box-shadow: 0 0 12px rgba(31,240,200,0.7);
}

.field:focus-within .underline::after { transform: scaleX(1); }

.status {
  margin-top: 1.4rem;
  min-height: 1.2em;
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--teal);
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

.status.show { opacity: 1; }
.status.err { color: #ff6b6b; }

.signal.done .field { opacity: 0; pointer-events: none; transition: opacity 0.6s var(--ease); }
.signal.sending #submit { opacity: 0.4; pointer-events: none; }

.social {
  position: fixed;
  bottom: 1.8rem;
  left: 0;
  right: 0;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 1.6rem;
}

.social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: rgba(215,255,244,0.34);
  transition: color 0.4s var(--ease), transform 0.4s var(--ease), filter 0.4s var(--ease);
}

.social svg {
  width: 20px;
  height: 20px;
}

.social a:hover {
  color: var(--teal);
  transform: translateY(-2px);
  filter: drop-shadow(0 0 10px rgba(31,240,200,0.7));
}

.merch-link {
  width: auto !important;
  font-family: "Space Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  text-transform: uppercase;
  text-decoration: none;
}

.merch-link:hover { transform: translateY(-2px); }

.sep {
  width: 1px;
  height: 16px;
  background: rgba(215,255,244,0.16);
  align-self: center;
}

@media (prefers-reduced-motion: reduce) {
  .grain, .wordmark { animation: none; }
}