body {
  min-height: 100dvh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #e5e7eb;
  background:
    linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%),
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 50%);
  padding: clamp(20px, 4vw, 40px);
  line-height: 1.7;
}
.shell { max-width: 900px; margin: 0 auto; }
.panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  padding: clamp(18px, 3vw, 32px);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 45px rgba(8, 15, 35, 0.35);
}
h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
h2 {
  margin: 28px 0 10px;
  color: #f3f4f6;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
}
p { margin: 0 0 14px; color: #d1d5db; max-width: 75ch; }
a { color: #93c5fd; }
.meta { color: #9ca3af; font-size: 0.95rem; }
.nav {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.nav a {
  text-decoration: none;
  color: #dbeafe;
  background: rgba(59, 130, 246, 0.18);
  border: 1px solid rgba(147, 197, 253, 0.35);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 0.92rem;
  transition: 180ms ease;
}
.nav a:hover { background: rgba(59, 130, 246, 0.28); }
.nav a:focus-visible { outline: 2px solid #10b981; outline-offset: 2px; }