:root {
  --site-max-width: 1040px;
  --site-gutter: 24px;
  --nav-height: 72px;
  --nav-surface: rgba(255, 255, 255, 0.72);
  --nav-border: rgba(24, 24, 24, 0.1);
  --nav-text: var(--text, #1d1d1d);
  --nav-muted: var(--muted, #666);
  --nav-hover: rgba(24, 24, 24, 0.04);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", sans-serif;
}

.utility-site {
  min-height: 100vh;
}

.utility-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: var(--nav-surface);
  border-bottom: 1px solid var(--nav-border);
}

.utility-nav__inner {
  width: min(var(--site-max-width), calc(100% - (var(--site-gutter) * 2)));
  min-height: var(--nav-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.utility-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.utility-nav__mark {
  width: 12px;
  height: 12px;
  background: var(--accent, #0b6b62);
}

.utility-nav__links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.utility-nav__links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  color: var(--nav-text);
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.utility-nav__links a:hover,
.utility-nav__links a:focus-visible {
  background: var(--nav-hover);
  border-color: var(--nav-border);
  outline: none;
}

.utility-nav__links a.is-active {
  border-color: var(--nav-border);
  background: var(--nav-hover);
}

.utility-main {
  width: min(var(--site-max-width), calc(100% - (var(--site-gutter) * 2)));
  margin: 0 auto;
  padding: 40px 0 72px;
}

@media (max-width: 720px) {
  .utility-nav__inner {
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .utility-nav__links {
    width: 100%;
    justify-content: flex-start;
  }

  .utility-main {
    padding-top: 28px;
  }
}