:root {
  color-scheme: dark;
  --gmk-bg: #170c2c;
  --gmk-surface: #24143f;
  --gmk-text: #f5f1ff;
  --gmk-muted: #cbc0df;
  --gmk-purple: #7c5fc4;
  --gmk-yellow: #f5c800;
  --gmk-button-text: #1a1000;
  --gmk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-family: var(--gmk-font);
  color: var(--gmk-text);
  background: var(--gmk-bg);
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }

.page {
  max-width: 80rem;
  min-height: 100svh;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5rem;
}

.brand img { display: block; width: min(21rem, 100%); height: auto; }

.banner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.copy { min-width: 0; overflow-wrap: anywhere; }
.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--gmk-yellow);
  font-size: .875rem;
  font-weight: 650;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 4.25rem);
  font-weight: 750;
  line-height: 1.08;
  letter-spacing: -.04em;
  text-wrap: balance;
}
h1 span { display: block; color: var(--gmk-yellow); }

.lead {
  max-width: 33rem;
  margin: 1.5rem 0 0;
  color: var(--gmk-muted);
  font-size: 1.125rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}
.features li {
  padding: .55rem .8rem;
  border: 1px solid color-mix(in srgb, var(--gmk-purple) 48%, transparent);
  border-radius: .5rem;
  background: var(--gmk-surface);
  font-size: .875rem;
  line-height: 1.4;
}

.action { margin-top: 2.25rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  max-width: 100%;
  padding: .9rem 2rem;
  border-radius: .625rem;
  background: var(--gmk-yellow);
  color: var(--gmk-button-text);
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 .5rem 2rem color-mix(in srgb, var(--gmk-yellow) 14%, transparent);
  transition: background-color 150ms ease, transform 150ms ease;
}
.button:hover { background: color-mix(in srgb, var(--gmk-yellow) 85%, white); }
.button:active { transform: translateY(2px); }
a:focus-visible { outline: 3px solid var(--gmk-text); outline-offset: 5px; }
.trial { margin: .9rem 0 .5rem; color: var(--gmk-muted); font-size: .875rem; line-height: 1.5; }
.registration-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--gmk-muted);
  font-size: .875rem;
  line-height: 1.5;
  text-underline-offset: .25em;
}
.registration-link:hover { color: var(--gmk-text); }

.showcase {
  margin: 0;
  padding: 1.5rem 1.5rem 1rem;
  border-radius: 1.75rem;
  background:
    radial-gradient(ellipse at 50% 20%, color-mix(in srgb, var(--gmk-purple) 38%, transparent), transparent 65%),
    var(--gmk-surface);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--gmk-purple) 32%, transparent);
}
.screen {
  width: min(100%, 17rem);
  margin: 0 auto;
  border-radius: 1.2rem;
  overflow: hidden;
  outline: 1px solid rgb(255 255 255 / 10%);
  box-shadow: 0 1.5rem 3rem rgb(0 0 0 / 35%);
}
.screen img { display: block; width: 100%; height: auto; }
figcaption {
  margin-top: 1rem;
  text-align: center;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--gmk-muted);
}

@media (max-width: 48rem) {
  .page { gap: 2rem; padding: min(1.5rem, 6vw); }
  .banner { grid-template-columns: 1fr; gap: 2.5rem; }
  h1 { max-width: 15ch; font-size: clamp(2.25rem, 7vw, 3.5rem); }
  .lead { font-size: 1rem; }
  .button { width: 100%; }
  .showcase { max-width: 29rem; width: 100%; justify-self: center; }
  .screen { width: min(100%, 16rem); }
}

@media (prefers-reduced-motion: reduce) {
  .button { transition: none; }
  .button:active { transform: none; }
}