/* Shared Slid Phi Labs chrome — every public page */
header.site-nav {
  --sh-black: #0a0a0a;
  --sh-white: #ffffff;
  --sh-teal: #00c2c7;
  --sh-gray: #9a9a9a;
  --sh-line: rgba(255, 255, 255, 0.08);
  --sh-line-strong: rgba(255, 255, 255, 0.14);
  --sh-nav-h: 68px;
  --sh-max: 1120px;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--sh-nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(10, 10, 10, 0.78);
  border-bottom: 1px solid var(--sh-line);
  font-family: Inter, system-ui, -apple-system, sans-serif;
}
header.site-nav *,
header.site-nav *::before,
header.site-nav *::after {
  box-sizing: border-box;
}
header.site-nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom-color: var(--sh-line-strong);
}
header.site-nav .inner {
  width: min(100% - 32px, var(--sh-max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
}
header.site-nav a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--sh-white);
  text-decoration: none;
  flex-shrink: 0;
}
header.site-nav .brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  box-shadow: 0 0 12px rgba(0, 220, 220, 0.35);
}
header.site-nav nav.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  position: static;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  box-shadow: none;
}
header.site-nav nav.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--sh-gray);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  background: transparent;
  border: 0;
  transition: color 0.15s, background 0.15s;
}
header.site-nav nav.nav-links a:hover,
header.site-nav nav.nav-links a[aria-current="page"] {
  color: var(--sh-white);
  background: rgba(255, 255, 255, 0.06);
}
header.site-nav nav.nav-links a[aria-current="page"] {
  color: var(--sh-teal);
}
header.site-nav .nav-cta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}
header.site-nav .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.86rem;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: inherit;
  white-space: nowrap;
}
header.site-nav .btn-primary {
  background: var(--sh-white);
  color: var(--sh-black);
}
header.site-nav .btn-primary:hover {
  box-shadow: 0 0 0 3px rgba(0, 194, 199, 0.2);
}
header.site-nav .nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--sh-line);
  border-radius: 10px;
  background: transparent;
  color: var(--sh-white);
  cursor: pointer;
  place-items: center;
}
header.site-nav .nav-toggle span,
header.site-nav .nav-toggle span::before,
header.site-nav .nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}
header.site-nav .nav-toggle span::before,
header.site-nav .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
header.site-nav .nav-toggle span::before { top: -6px; }
header.site-nav .nav-toggle span::after { top: 6px; }

@media (max-width: 860px) {
  header.site-nav nav.nav-links,
  header.site-nav .nav-cta .btn {
    display: none;
  }
  header.site-nav .nav-toggle {
    display: grid;
  }
  header.site-nav.open nav.nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    border-bottom: 1px solid var(--sh-line);
    padding: 12px 16px 20px;
    gap: 4px;
  }
  header.site-nav.open nav.nav-links a {
    padding: 12px 14px;
  }
  header.site-nav.open .nav-cta .btn {
    display: none;
  }
}