:root {
  --bg: #030712;
  --line: rgba(125, 211, 252, 0.22);
  --text: #eef5ff;
  --muted: #a9bbd3;
  --accent: #36e7ff;
  --accent-2: #7ee7c8;
  --glass: rgba(5, 14, 28, 0.72);
  --glass-soft: rgba(255, 255, 255, 0.055);
  --shadow: 0 24px 80px rgba(0, 4, 18, 0.52);
  --plutar-font-display: "Space Grotesk", "Satoshi", sans-serif;
  --plutar-font-body: "Satoshi", "Inter", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--plutar-font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 16% 0%, rgba(54, 231, 255, 0.18), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(126, 231, 200, 0.12), transparent 34%),
    linear-gradient(165deg, #020617 0%, #061126 46%, #0a1628 100%);
  min-height: 100vh;
}

.shell {
  width: min(1080px, 92vw);
  margin: 24px auto 72px;
}

.panel {
  border-radius: 26px;
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  backdrop-filter: blur(18px) saturate(1.1);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.095), rgba(255, 255, 255, 0.025)),
    var(--glass);
  box-shadow: var(--shadow);
}

header {
  position: sticky;
  top: 16px;
  z-index: 10;
  margin-bottom: 22px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0;
  font-weight: 800;
  font-family: var(--plutar-font-display);
}

.brand-mark {
  width: 27px;
  height: 27px;
  border-radius: 6px;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 9px 11px;
  border-radius: 999px;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

nav a:hover {
  color: var(--text);
  background: rgba(54, 231, 255, 0.09);
}

.card {
  padding: clamp(22px, 4vw, 44px);
}

h1 {
  font-family: var(--plutar-font-display);
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  letter-spacing: 0;
  line-height: 1.06;
  margin-bottom: 10px;
}

h2 {
  font-family: var(--plutar-font-display);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  letter-spacing: 0;
  margin-bottom: 8px;
}

.meta {
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.5;
  font-size: 0.93rem;
}

.section {
  margin-top: 18px;
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: 18px;
  border: 1px solid rgba(125, 211, 252, 0.16);
  background: var(--glass-soft);
}

p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.93rem;
}

ul {
  margin: 8px 0 0 18px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}

li + li {
  margin-top: 5px;
}

.note {
  margin-top: 18px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(179, 220, 255, 0.28);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.contact {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact a {
  color: var(--accent);
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

footer {
  margin-top: 18px;
  padding: 18px 6px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.84rem;
}

footer p {
  font-size: 0.84rem;
}

.footer-links {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 7px 10px;
  border-radius: 999px;
}

.footer-links a:hover {
  color: var(--text);
  background: rgba(54, 231, 255, 0.09);
}

main a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

@media (max-width: 700px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    justify-content: flex-start;
    width: 100%;
  }

  nav a {
    padding: 8px 9px;
  }
}