:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf5ff;
  background: #070b18;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(ellipse at 72% 20%, rgba(27, 93, 199, .25), transparent 38rem),
    radial-gradient(ellipse at 82% 72%, rgba(133, 44, 232, .19), transparent 34rem),
    linear-gradient(145deg, #070b18 8%, #0b1530 54%, #090b1b 100%);
}

.page {
  display: flex;
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 34px 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(120, 161, 255, .7);
  border-radius: 50%;
  color: #d6a6ff;
  font-size: 1.15rem;
  font-weight: 700;
  box-shadow: 0 0 22px rgba(117, 76, 255, .4), inset 0 0 14px rgba(25, 189, 255, .2);
}

.brand-name {
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .28em;
}

.brand-name span { color: #9aaaff; }

.hero {
  width: min(760px, 100%);
  margin: auto 0;
  padding: 92px 0 118px;
}

.eyebrow {
  color: #8bdcff;
  font-size: .75rem;
  font-weight: 650;
  letter-spacing: .2em;
  line-height: 1.6;
}

h1 {
  margin: 24px 0;
  font-size: clamp(3rem, 8vw, 6.7rem);
  font-weight: 500;
  letter-spacing: -.065em;
  line-height: .98;
}

h1 span {
  color: #aaa8ff;
  text-shadow: 0 0 34px rgba(116, 91, 255, .25);
}

.intro {
  max-width: 620px;
  color: #c1cce1;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.75;
}

.notice {
  display: inline-block;
  margin-top: 24px;
  padding: 9px 13px;
  border: 1px solid rgba(147, 166, 220, .2);
  border-radius: 999px;
  color: #9ba9c5;
  font-size: .83rem;
}

footer {
  display: flex;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(151, 172, 224, .13);
  color: #8492ad;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .page { width: min(100% - 32px, 1180px); }
  .brand { padding: 24px 0; }
  .hero { padding: 72px 0 92px; }
  .eyebrow { max-width: 30ch; }
}