/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* HEADER BASE */
#site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  z-index: 1000;
  font-family: sans-serif;
}

/* CONTAINER */
.header-container {
  max-width: 1200px;
  margin: auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LOGO */
.logo a {
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  color: #b30000;
}

/* NAV — DESKTOP DEFAULT (IMPORTANT) */
.main-nav {
  display: block;
}

.main-nav ul {
  align-items: center;
  list-style: none;
  display: flex;
  gap: 24px;
}

.main-nav ul li a {
  text-decoration: none;
  line-height: 1;
  font-size: 15px;
  color: #222;
}

.main-nav ul li a:hover {
  color: #b30000;
}

/* CTA */
.join-btn {
  padding: 8px 16px;
  background: #b30000;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  border-radius: 4px;
  font-weight: 600;
}

/* HAMBURGER */
.menu-toggle {
  display: none;
  font-size: 26px;
  cursor: pointer;
}

/* MOBILE CTA */
.mobile-cta {
  display: none;
}

/* =========================
   MOBILE STYLES ONLY
========================= */
@media (max-width: 768px) {

  /* Hide desktop CTA */
  .join-btn {
    display: none;
  }

  /* Show hamburger */
  .menu-toggle {
    display: block;
  }

  /* Hide nav by default on mobile */
  .main-nav {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid #ddd;
    display: none;
  }

  /* When active */
  .main-nav.active {
    display: block;
  }

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

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

  .main-nav ul li a {
    display: block;
    padding: 14px 20px;
    font-size: 16px;
  }

  /* Bottom CTA */
  .mobile-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #b30000;
    color: #fff;
    text-align: center;
    padding: 14px;
    font-weight: 600;
    text-decoration: none;
    z-index: 999;
  }
}