:root {
  --bg: #07111f;
  --bg-deep: #030814;
  --surface: rgba(12, 23, 40, 0.88);
  --surface-strong: rgba(16, 31, 54, 0.96);
  --surface-soft: rgba(10, 19, 34, 0.76);
  --text: #eef6ff;
  --text-soft: #95a8c1;
  --text-dim: #6d809a;
  --accent: #59e1ff;
  --accent-strong: #25bdf0;
  --accent-soft: rgba(89, 225, 255, 0.14);
  --line: rgba(113, 171, 214, 0.18);
  --line-strong: rgba(113, 171, 214, 0.32);
  --line-bright: rgba(153, 214, 255, 0.42);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Outfit", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(52, 168, 255, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(89, 225, 255, 0.1), transparent 24%),
    radial-gradient(circle at 50% 10%, rgba(23, 75, 135, 0.2), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #08101d 52%, #030814 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

p,
li {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.04em;
}

textarea,
input,
select,
button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 1rem auto 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 13, 25, 0.7);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

.brand-mark {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, #a4f0ff 100%);
  box-shadow: 0 0 18px rgba(89, 225, 255, 0.72);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.site-nav a {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: var(--text-dim);
  transition: color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.site-nav a.is-active,
.site-nav a:hover {
  color: var(--text);
  background: rgba(89, 225, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(89, 225, 255, 0.12);
}

main {
  padding-bottom: 3rem;
}