:root {
  color-scheme: light dark;
  --bg-1: #080b24;
  --bg-2: #1c1551;
  --text: #f3f4ff;
  --muted: #b5bce0;
  --glass: rgba(255, 255, 255, 0.09);
  --stroke: rgba(255, 255, 255, 0.16);
  --accent: #c0b1ff;
  --shadow: rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg-1);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: calc(env(safe-area-inset-top) + 28px) 18px calc(env(safe-area-inset-bottom) + 40px);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
  background:
    radial-gradient(700px 460px at 16% -5%, rgba(143, 168, 255, 0.28), transparent 70%),
    radial-gradient(620px 520px at 92% 16%, rgba(151, 89, 255, 0.25), transparent 72%),
    linear-gradient(155deg, var(--bg-2), var(--bg-1) 62%);
  background-attachment: fixed;
}

main {
  width: min(760px, 100%);
  margin: 0 auto;
}

.back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-bottom: 18px;
  padding: 0 16px;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  color: var(--text);
  background: var(--glass);
  text-decoration: none;
  font-weight: 700;
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
}

.hero,
.card {
  border: 1px solid var(--stroke);
  background: var(--glass);
  box-shadow: 0 24px 70px -36px var(--shadow), inset 0 1px rgba(255, 255, 255, 0.38);
  -webkit-backdrop-filter: blur(24px) saturate(135%);
  backdrop-filter: blur(24px) saturate(135%);
}

.hero {
  padding: clamp(25px, 6vw, 44px);
  border-radius: 32px;
}

.card {
  margin-top: 16px;
  padding: clamp(20px, 5vw, 32px);
  border-radius: 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1 {
  max-width: 620px;
  font-size: clamp(34px, 8vw, 58px);
  line-height: 1.04;
}

h2 {
  margin-bottom: 10px;
  font-size: 22px;
}

p { margin: 8px 0 0; }

.lead {
  max-width: 640px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
}

ul,
ol {
  margin: 10px 0 0;
  padding-left: 22px;
}

li + li { margin-top: 6px; }

a { color: var(--accent); }

.meta {
  display: inline-block;
  margin-top: 10px;
  padding: 9px 12px;
  border: 1px dashed var(--stroke);
  border-radius: 12px;
  color: var(--muted);
  font-size: 14px;
}

.footer {
  padding: 25px 4px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-1: #dce9fb;
    --bg-2: #c5d9f4;
    --text: #17213d;
    --muted: #596585;
    --glass: rgba(255, 255, 255, 0.58);
    --stroke: rgba(255, 255, 255, 0.72);
    --accent: #6855d8;
    --shadow: rgba(53, 70, 115, 0.32);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}