:root {
  color-scheme: dark;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #121317;
  color: #e3e2e8;
}

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  display: inline-block;
  vertical-align: middle;
}

.glass-card {
  background: rgba(52, 52, 57, 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.glass-panel {
  background: rgba(52, 52, 57, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero-gradient {
  background: radial-gradient(circle at 50% -20%, #004e60 0%, #121317 70%);
}

.text-glow {
  text-shadow: 0 0 20px rgba(71, 214, 255, 0.35);
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.mobile-menu.is-open {
  max-height: 24rem;
  opacity: 1;
}

.nav-link-active {
  color: #47d6ff;
  border-bottom: 2px solid #47d6ff;
  padding-bottom: 0.25rem;
}

.nav-link-idle {
  color: #94a3b8;
  transition: color 0.2s ease;
}

.nav-link-idle:hover {
  color: #f8fafc;
}