/* =========================================
   R & D EVENTS — SITE HEADER ONLY
   Used by: menu-new include
   ========================================= */

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

.site-header {
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  position: relative;
  z-index: 1000;
}

.site-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
}

/* --- Header layout --- */
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  max-height: 64px;
  width: auto;
}

/* --- Navigation --- */
.main-nav {
  display: flex;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 24px;
}

.nav-menu > li {
  position: relative;
}

.nav-menu a {
  text-decoration: none;
  color: #222;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 0;
  display: inline-block;
}

.nav-menu a:hover {
  color: #6b8f71;
}

/* --- Dropdown arrow (NO icon fonts) --- */
.has-dropdown > a::after {
  content: "▾";
  margin-left: 6px;
  font-size: 0.7em;
}

/* --- Dropdown menu --- */
.dropdown {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #ffffff;
  border: 1px solid #ddd;
  display: none;
  z-index: 999;
}

.dropdown li a {
  display: block;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 14px;
  color: #333;
}

.dropdown li a:hover {
  background: #f4f6f4;
}

/* --- Desktop hover dropdown --- */
@media (min-width: 901px) {
  .has-dropdown:hover > .dropdown {
    display: block;
  }
}

/* --- Hamburger button --- */
.nav-toggle {
  display: none;
  font-size: 26px;
  background: none;
  border: none;
  cursor: pointer;
}

/* =========================================
   MOBILE NAV
   ========================================= */

@media (max-width: 900px) {

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid #ddd;
    display: none;
    flex-direction: column;
  }

  .main-nav.open {
    display: block;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
  }

  .nav-menu li {
    border-bottom: 1px solid #eee;
  }

  .nav-menu a {
    padding: 14px 20px;
  }

  /* Mobile dropdown */
  .dropdown {
    position: static;
    border: none;
    padding-left: 12px;
  }

  .has-dropdown.open > .dropdown {
    display: block;
  }
}