:root {
  --bg: #040a14;
  --line: rgba(179, 220, 255, 0.34);
  --text: #eef5ff;
  --muted: #aac2de;
  --accent: #36e7ff;
  --accent-2: #8cffc6;
  --glass: rgba(255, 255, 255, 0.06);
  --shadow: 0 18px 60px rgba(2, 10, 23, 0.6);
}

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

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(54, 231, 255, 0.2), transparent 35%),
    radial-gradient(circle at 88% 12%, rgba(140, 255, 198, 0.16), transparent 36%),
    linear-gradient(165deg, #040a14 0%, #061126 45%, #0d1f37 100%);
  min-height: 100vh;
}

.shell {
  width: min(960px, 92vw);
  margin: 24px auto 64px;
}

.panel {
  border-radius: 22px;
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

header {
  position: sticky;
  top: 14px;
  z-index: 10;
  margin-bottom: 20px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-family: "Sora", "Trebuchet MS", sans-serif;
}

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

nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.card {
  padding: clamp(20px, 4vw, 34px);
}

h1 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.6rem, 4.2vw, 2.2rem);
  margin-bottom: 10px;
}

h2 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1.08rem;
  margin-bottom: 8px;
}

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

.section {
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(179, 220, 255, 0.24);
  background: var(--glass);
}

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-2);
  text-decoration: none;
}

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

footer {
  margin-top: 16px;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

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