:root {
  color-scheme: dark;
  --ink: #f7f8ff;
  --muted: #b9bfd9;
  --violet: #8a7dff;
  --cyan: #4de4ff;
  --panel: rgba(18, 21, 48, 0.84);
  --line: rgba(151, 166, 255, 0.22);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 5%, rgba(96, 78, 255, 0.28), transparent 34rem),
    radial-gradient(circle at 88% 25%, rgba(36, 210, 255, 0.18), transparent 28rem),
    #080a18;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--cyan); }
a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.shell { width: min(940px, calc(100% - 32px)); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--muted); text-decoration: none; font-weight: 650; }

main { padding: 54px 0 80px; }
.hero { max-width: 760px; }
.eyebrow { color: var(--cyan); font-size: 0.82rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1 { margin: 12px 0 20px; font-size: clamp(2.5rem, 8vw, 5.6rem); line-height: 0.98; letter-spacing: -0.055em; }
h2 { margin-top: 2.4rem; line-height: 1.2; }
p, li { color: var(--muted); }
.lead { max-width: 680px; font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-block; padding: 12px 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--panel); text-decoration: none; font-weight: 750; }
.button.primary { color: #071018; border-color: transparent; background: linear-gradient(135deg, var(--cyan), #9ff3ff); }
.card { margin-top: 32px; padding: clamp(22px, 4vw, 42px); border: 1px solid var(--line); border-radius: 24px; background: var(--panel); box-shadow: 0 28px 90px rgba(0, 0, 0, 0.26); backdrop-filter: blur(18px); }
.meta { color: var(--muted); font-size: 0.92rem; }
.notice { padding: 16px 18px; border-left: 3px solid var(--cyan); background: rgba(77, 228, 255, 0.08); }
footer { padding: 28px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }

@media (max-width: 660px) {
  header { align-items: flex-start; flex-direction: column; }
  main { padding-top: 28px; }
}