/* ============================================
   Navigation — shared across all pages
   ============================================ */

.site-header {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(48,154,172,0.15);
  position: relative;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 72px;
  width: auto;
  display: block;
}

/* Desktop nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy);
  text-decoration: none;
  transition: color 0.15s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--teal);
}

.main-nav a.nav-cta {
  background: var(--pink);
  color: #fff;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  transition: box-shadow 0.15s ease;
}

.main-nav a.nav-cta:hover {
  box-shadow: 0 4px 12px rgba(237,21,102,0.35);
  color: #fff;
}

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
@media (max-width: 700px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 8px 24px rgba(9,47,55,0.12);
    padding: 1rem 1.5rem 1.5rem;
    z-index: 100;
    border-top: 2px solid var(--mint);
  }

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

  .main-nav li {
    width: 100%;
    border-bottom: 1px solid var(--mint);
  }

  .main-nav li:last-child {
    border-bottom: none;
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0;
    font-size: 1.05rem;
  }

  .main-nav a.nav-cta {
    margin-top: 0.75rem;
    display: inline-block;
    padding: 0.6rem 1.4rem;
  }
}