:root {
  --brand-green: #1faa4a;
  --dark-text: #0f172a;
  --border-color: #e5e7eb;
}

/* ================= HEADER ================= */
header {
  position: sticky;
  top: 0;
  z-index: 1000;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 14px 20px;
  background: white;
  border-bottom: 3px solid var(--brand-green);
}

/* ================= LOGO ================= */
.logo {
  height: 40px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* ================= NAV (DESKTOP) ================= */
nav {
  display: flex;
  align-items: center;
}

nav a {
  margin-left: 18px;
  text-decoration: none;
  color: var(--dark-text);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

nav a:hover {
  color: var(--brand-green);
}

nav a.active {
  color: var(--brand-green);
  font-weight: 600;
  position: relative;
}

/* ================= HAMBURGER (HIDDEN BY DEFAULT) ================= */
.menu-toggle {
  display: none !important;
  font-size: 26px;
  cursor: pointer;
  color: var(--dark-text);
}

/* ================= MOBILE ================= */
@media (max-width: 900px) {

  header {
    padding: 10px 14px;
  }

  /* SHOW HAMBURGER */
  .menu-toggle {
    display: block !important;
  }

  /* HIDE NAV */
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    border-bottom: 2px solid var(--border-color);
  }

  nav.show {
    display: flex;
  }

  nav a {
    margin: 0;
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 15px;
  }

  .logo {
    height: 26px;
  }
}

/* ================= EXTRA SMALL ================= */
@media (max-width: 480px) {
  .logo {
    height: 22px;
  }
}