:root {
  color-scheme: dark;
  --site-bg: #050b15;
  --site-surface: #0b1729;
  --site-surface-light: #11233d;
  --site-text: #f4f8ff;
  --site-muted: #a8b8cd;
  --site-cyan: #35d9ff;
  --site-blue: #3987ff;
  --site-violet: #a36cff;
  --site-border: rgba(137, 195, 255, 0.18);
  --site-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 8%, rgba(57, 135, 255, 0.16), transparent 30rem),
    radial-gradient(circle at 88% 24%, rgba(163, 108, 255, 0.11), transparent 28rem),
    var(--site-bg);
  color: var(--site-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header-wrap {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--site-border);
  background: rgba(5, 11, 21, 0.88);
  backdrop-filter: blur(18px);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--site-text);
  font-size: 0.93rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  border: 2px solid var(--site-cyan);
  border-radius: 9px;
  place-items: center;
  box-shadow: 0 0 22px rgba(53, 217, 255, 0.18);
}

.site-brand-mark::before {
  width: 9px;
  height: 16px;
  border: 2px solid var(--site-cyan);
  border-top: 0;
  border-radius: 0 0 6px 6px;
  content: "";
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--site-muted);
  font-size: 0.91rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: rgba(53, 217, 255, 0.09);
  color: var(--site-cyan);
}

.site-footer-wrap {
  border-top: 1px solid var(--site-border);
  background: rgba(3, 8, 16, 0.7);
}

.site-footer {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 44px;
  padding: 46px 0 34px;
}

.footer-summary {
  max-width: 560px;
}

.footer-summary p,
.site-footer-bottom {
  color: var(--site-muted);
}

.footer-summary p {
  margin: 14px 0 0;
  font-size: 0.94rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px 30px;
  align-content: start;
}

.footer-links a {
  color: var(--site-muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--site-cyan);
}

.site-footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  border-top: 1px solid var(--site-border);
  font-size: 0.82rem;
}

.site-footer-bottom p {
  margin: 0;
}

.site-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid var(--site-cyan);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--site-cyan), var(--site-blue));
  color: #02101e;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(53, 217, 255, 0.2);
}

.site-button:hover,
.site-button:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.site-button.secondary {
  border-color: var(--site-border);
  background: transparent;
  color: var(--site-text);
  box-shadow: none;
}

.site-button.secondary:hover,
.site-button.secondary:focus-visible {
  border-color: var(--site-cyan);
  color: var(--site-cyan);
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px 0 13px;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
  }

  .site-nav ul {
    width: max-content;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer-bottom {
    grid-column: 1;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-shell {
    width: min(100% - 28px, 1120px);
  }

  .site-brand {
    font-size: 0.84rem;
  }

  .site-nav a {
    padding: 7px 10px;
    font-size: 0.84rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}