:root {
  --night-deep: #050b1a;
  --night-mid: #0c1b33;
  --ink-soft: rgba(232, 240, 255, 0.88);
  --ink-mute: rgba(200, 214, 240, 0.62);
  --accent-faint: rgba(170, 200, 255, 0.35);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
}

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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--night-deep);
  color: var(--ink-soft);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
}

#sky {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
  background: linear-gradient(
    180deg,
    var(--night-deep) 0%,
    var(--night-mid) 58%,
    #0a1528 100%
  );
}

.hero {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12vh 6vw 36vh;
  user-select: text;
  -webkit-user-select: text;
}

.no-canvas #sky {
  background: linear-gradient(
    180deg,
    var(--night-deep) 0%,
    var(--night-mid) 58%,
    #0a1528 100%
  );
}

.eyebrow {
  font-size: clamp(11px, 1.4vw, 13px);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 1.25rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.55);
}

.hero h1 {
  font-size: clamp(28px, 6vw, 56px);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.25;
  color: #f2f6ff;
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.65),
    0 0 40px rgba(120, 160, 255, 0.18);
}

.lede {
  margin-top: 1.1rem;
  font-size: clamp(14px, 2.2vw, 18px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--ink-mute);
  max-width: 28em;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.6);
}