/* Navbar Styles to match AbiHack 2025 header */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 4.5rem;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  box-shadow: none;
}

.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-right: 3rem;
  text-decoration: none;
}

.site-logo-row {
  display: flex;
  align-items: center;
}

.site-logo img {
  height: 2.2rem;
  margin-right: 0.7rem;
}

.site-logo-title {
  font-weight: 700;
  font-size: 1.5rem;
  color: #4285f4;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.site-logo-subtitle {
  font-size: 0.95rem;
  color: #888;
  font-weight: 400;
  margin-top: 0.1rem;
  margin-left: 2.4rem;
}

.site-nav-center {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
}

.site-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2.5rem;
}

.site-nav-link {
  color: #222;
  text-decoration: none;
  font-size: 1.13rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.2rem 0.5rem;
}

.site-nav-link:hover,
.site-nav-link:focus {
  color: #4285f4;
}

.site-nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-left: 2rem;
}

.lang-btn {
  border: 2px solid #4285f4;
  background: #fff;
  color: #4285f4;
  font-weight: 600;
  border-radius: 1.5rem;
  padding: 0.3rem 1.1rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:hover {
  background: #f2f8fd;
}

.register-btn {
  background: #4285f4;
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 0.6rem;
  padding: 0.5rem 1.4rem;
  font-size: 1.08rem;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(66,133,244,0.07);
  transition: background 0.2s;
}

/*.register-btn {: .btn .btn-primary .fs-5 .mb-4 .mb-md-0 .mr-2 }*/

.register-btn:hover {
  background: #1967d2;
}

@media (max-width: 900px) {
  .site-nav {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 0.5rem 1rem;
  }
  .site-nav-center {
    justify-content: flex-start;
    margin-top: 0.5rem;
  }
  .site-nav-actions {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}

.navbar-spacer {
  height: 4.5rem;
}