/* Canonical landing navbar — aligned with React marketing sample */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 40px;
  height: 64px;
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e8ede9;
  z-index: 100;
  font-family: 'DM Sans', 'Helvetica Neue', sans-serif;
}

.site-nav .brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  height: 48px;
  text-decoration: none;
}

.site-nav .brand img {
  display: block;
  height: 48px;
  width: auto;
  max-width: min(220px, 42vw);
  object-fit: contain;
  object-position: left center;
}

.site-nav .nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 24px;
}

.site-nav nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
  font-weight: 500;
}

.site-nav .nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid #e8ede9;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  flex-shrink: 0;
}

.site-nav .nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: #111;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-nav.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-nav.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

body.nav-menu-open {
  overflow: hidden;
}

.site-nav nav a {
  color: #111;
  text-decoration: none;
  padding: 6px 4px;
  transition: color 0.15s;
}

.site-nav nav a:hover {
  color: #1a7c44;
}

.site-nav nav a.active {
  color: #1a7c44;
  border-bottom: none;
  padding-bottom: 6px;
}

.site-nav .nav-chevron {
  display: inline-block;
  margin-left: 2px;
  vertical-align: middle;
}

.site-nav .header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.site-nav .header-login {
  font-size: 15px;
  font-weight: 500;
  color: #111;
  text-decoration: none;
  padding: 6px 8px;
  transition: color 0.15s;
}

.site-nav .header-login:hover {
  color: #1a7c44;
}

.site-nav .topbtn {
  background: #1a7c44;
  color: #fff;
  border: 2px solid #1a7c44;
  border-radius: 8px;
  padding: 9px 20px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  box-shadow: none;
  transition: background 0.15s;
}

.site-nav .topbtn:hover {
  background: #155f34;
  border-color: #155f34;
}

@media (max-width: 1100px) {
  .site-nav {
    padding: 0 20px;
    flex-wrap: wrap;
    height: auto;
    min-height: 64px;
  }

  .site-nav .nav-toggle {
    display: flex;
  }

  .site-nav .nav-panel {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 24px 32px;
    background: #fff;
    border-top: 1px solid #e8ede9;
    overflow-y: auto;
    z-index: 99;
  }

  .site-nav.is-open .nav-panel {
    display: flex;
  }

  .site-nav nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-nav nav a {
    padding: 14px 0;
    border-bottom: 1px solid #f0f3f1;
    font-size: 16px;
  }

  .site-nav .header-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 20px;
    padding-top: 8px;
  }

  .site-nav .header-login,
  .site-nav .topbtn {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    box-sizing: border-box;
  }
}

@media (max-width: 768px) {
  .site-nav .brand {
    height: 40px;
  }

  .site-nav .brand img {
    height: 40px;
    max-width: min(180px, 55vw);
  }
}