/* MindNeura — one night-time look, on purpose. Palette sampled from the logo. */
:root {
  --bg: #0d1023;            /* the logo's own ground */
  --panel: #121833;
  --ink: #e7edf6;
  --muted: #8f9bb8;
  --dim: #5d6887;
  --line: rgba(199, 208, 220, 0.14);
  --cyan: #43d3ea;
  --blue: #2f7df0;
  --silver: #c7d0dc;
  --warm: #d4a853;
  --danger: #ff9a8a;
  --rounded: ui-rounded, "SF Pro Rounded", "Arial Rounded MT Bold", "Nunito", system-ui, sans-serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-inline: clamp(16px, 4vw, 56px);
  background:
    radial-gradient(ellipse 60% 45% at 75% 40%, rgba(47, 125, 240, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(67, 211, 234, 0.06), transparent 70%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.top { padding-block: clamp(24px, 5vh, 48px) 0; display: flex; justify-content: center; }
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  font-family: var(--rounded);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand img { height: 1.35em; width: auto; }
.brand .neura {
  background: linear-gradient(90deg, var(--silver), #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Text and image form one unit, sized to content and centred. */
.hero {
  flex: 1;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 34rem) minmax(0, min(64vh, 540px));
  justify-content: center;
  align-items: center;
  gap: clamp(32px, 5vw, 88px);
  padding-block: clamp(20px, 5vh, 56px);
}

.kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: breathe 4s ease-in-out infinite;
}

.tagline {
  margin: 0 0 0.5em;
  font-family: var(--rounded);
  font-size: clamp(2.2rem, 4.4vw, 4rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.tagline em {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lede { margin: 0 0 2rem; max-width: 32rem; font-size: clamp(1.05rem, 1.35vw, 1.2rem); color: var(--muted); text-wrap: pretty; }
.lede strong { color: var(--ink); font-weight: 650; }

.subscribe { position: relative; max-width: 30rem; }
.prompt { display: block; margin-bottom: 0.65rem; font-weight: 600; }
.field {
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(199, 208, 220, 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field:focus-within { border-color: rgba(67, 211, 234, 0.6); box-shadow: 0 0 0 4px rgba(67, 211, 234, 0.1); }
.field input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1rem;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font: inherit;
}
.field input::placeholder { color: var(--dim); }
.field button {
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  color: #06101f;
  font: 700 1rem var(--rounded);
  cursor: pointer;
  transition: filter 0.2s;
}
.field button:hover { filter: brightness(1.12); }
.field button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.status { min-height: 1.5em; margin: 0.7rem 0 0; color: var(--cyan); font-size: 0.95rem; }
.status.err { color: var(--danger); }
.fine { margin: 0.2rem 0 0; color: var(--dim); font-size: 0.8rem; }

/* The scene */
.scene-wrap { display: flex; flex-direction: column; align-items: center; min-width: 0; }
.scene {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 22px;
  overflow: hidden;
  background: #070a17;
  box-shadow:
    0 0 0 1px var(--line),
    0 30px 80px -20px rgba(0, 0, 0, 0.7),
    0 0 120px -30px rgba(67, 211, 234, 0.35);
}
.scene canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.chip {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  border: 1px solid rgba(67, 211, 234, 0.35);
  border-radius: 999px;
  background: rgba(7, 10, 23, 0.6);
  backdrop-filter: blur(6px);
  font: 500 0.7rem var(--mono);
  letter-spacing: 0.08em;
  color: var(--ink);
}
.chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: breathe 4s ease-in-out infinite;
}
.caption { margin: 12px 0 0; font: 0.72rem var(--mono); letter-spacing: 0.06em; color: var(--dim); text-align: center; }

footer {
  margin-top: 24px;
  padding-block: 26px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.8rem;
  text-align: center;
}
footer a { color: inherit; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
footer a:hover, footer a:focus-visible { color: var(--cyan); text-decoration-color: currentColor; }

@keyframes breathe { 50% { opacity: 0.35; } }

@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 34rem); gap: 28px; padding-block: 16px 24px; }
  .scene-wrap { order: -1; }
  .scene { max-width: min(88vw, 420px); margin-inline: auto; }
}
@media (max-width: 440px) {
  .field { flex-direction: column; border-radius: 18px; }
  .field button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.turnstile { margin-top: 10px; max-width: 100%; }
.turnstile:empty { display: none; }

/* No-JavaScript subscribe confirmation page. */
.note { flex: 1; display: grid; place-content: center; gap: 0.5rem; text-align: center; font-size: 1.15rem; }
.note a { color: var(--cyan); }