:root {
  color-scheme: dark;
  --background: #111114;
  --surface: #1a1a20;
  --surface-strong: #22222a;
  --text: #f7f7fb;
  --muted: #b4b2c1;
  --accent: #7559ff;
  --accent-soft: rgba(117, 89, 255, 0.16);
  --border: rgba(255, 255, 255, 0.1);
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(117, 89, 255, 0.24), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

a {
  color: #a897ff;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #c3b9ff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 20, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2rem), var(--max-width));
  min-height: 68px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  font-size: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.9rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

main {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: 68vh;
  align-content: center;
  padding: 5.5rem 0;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #b5a7ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 780px;
  margin-bottom: 1.3rem;
  font-size: clamp(2.75rem, 8vw, 5.7rem);
}

h2 {
  margin-top: 2.8rem;
  font-size: clamp(1.55rem, 4vw, 2.25rem);
}

h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

.hero-copy {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.5vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 720;
  text-decoration: none;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 0 0 6rem;
}

.card,
.notice {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
}

.card {
  padding: 1.35rem;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.legal {
  max-width: 800px;
  padding: 4.5rem 0 7rem;
}

.legal h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
}

.legal .lede {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.12rem;
}

.legal p,
.legal li {
  color: #d4d2dd;
}

.legal li + li {
  margin-top: 0.45rem;
}

.notice {
  margin: 1.8rem 0;
  padding: 1.2rem 1.35rem;
  background: var(--accent-soft);
}

.notice p {
  margin: 0;
}

.mission {
  margin: 0 0 6rem;
  padding: 2rem;
}

.mission h2 {
  margin-top: 0;
  margin-bottom: 1rem;
}

.mission .eyebrow {
  margin-bottom: 0.75rem;
}

.mission p:last-child {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.08rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 2rem), var(--max-width));
  min-height: 100px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.55rem;
    padding: 0.75rem 0;
  }

  .nav-links {
    width: 100%;
    gap: 0.8rem;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1.5rem 0;
  }
}