:root {
  --site-nav-width: 220px;
  --site-nav-bg: rgba(255, 255, 255, 0.94);
  --site-nav-border: rgba(0, 81, 34, 0.15);
  --site-nav-text: #005122;
  --site-nav-accent: #34ab64;
}

body {
  padding-left: calc(var(--site-nav-width) + 26px);
}

.site-nav-host {
  position: fixed;
  top: var(--site-header-height, 150px);
  left: 0;
  z-index: 1900;
}

.site-nav {
  width: var(--site-nav-width);
  min-height: calc(100vh - var(--site-header-height, 150px));
  padding: 22px 14px;
  background: var(--site-nav-bg);
  border-right: 1px solid var(--site-nav-border);
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(10px);
}

.site-nav__inner {
  display: grid;
  gap: 10px;
}

.site-nav__brand,
.site-nav__link {
  display: block;
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
}

.site-nav__brand {
  margin-bottom: 6px;
  background: linear-gradient(180deg, #34ab64, #005122);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(0, 81, 34, 0.16);
}

.site-nav__link {
  color: var(--site-nav-text);
  background: #eef9f2;
  border: 1px solid rgba(52, 171, 100, 0.25);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  background: #e2f4e9;
}

.site-nav__link.is-current {
  background: #d7eee0;
  border-color: rgba(0, 81, 34, 0.25);
}

@media (max-width: 820px) {
  body {
    padding-left: 0;
    padding-top: calc(var(--site-header-height) + 76px);
  }

  .site-nav-host {
    right: 0;
  }

  .site-nav {
    width: 100%;
    min-height: auto;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--site-nav-border);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
  }

  .site-nav__inner {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .site-nav__brand,
  .site-nav__link {
    text-align: center;
    padding: 10px 8px;
    font-size: 0.92rem;
  }

  .site-nav__brand {
    margin-bottom: 0;
  }
}