/* Shared navigation bar — included on all public pages */

html, body {
  overflow-x: hidden;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: white;
  border-bottom: 1px solid #e1e1e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  box-sizing: border-box;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  height: 56px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 28px;
  width: auto;
}

/* Links */
.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  display: block;
  padding: 8px 14px;
  color: #333;
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
  background: #f0f4f8;
  color: #0056b3;
}

.nav-links a.active {
  color: #0056b3;
  font-weight: 600;
  background: #e8f0fe;
}

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Hamburger X animation */
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

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

/* Mobile */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    border-bottom: 1px solid #e1e1e1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 20px;
    border-radius: 0;
    font-size: 0.95em;
  }

  .nav-links a:hover {
    background: #f5f7fa;
  }

  .nav-links a.active {
    background: #e8f0fe;
  }
}

@media (max-width: 480px) {
  .nav-logo img {
    height: 24px;
  }

  .nav-links a {
    padding: 10px 16px;
    font-size: 0.9em;
  }
}