/* ============================================
   Site Header — Sky Blue Kawaii
   ============================================ */

.site-header {
  background-color: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0;
  margin-bottom: 0;
  box-shadow: 0 2px 16px rgba(27, 46, 166, 0.12);
}

/* Star pattern overlay */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ctext x='10' y='30' font-size='14' fill='white' opacity='0.08'%3E✦%3C/text%3E%3Ctext x='35' y='55' font-size='10' fill='white' opacity='0.06'%3E★%3C/text%3E%3C/svg%3E");
  pointer-events: none;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  position: relative;
  z-index: 1;
}

/* --- Logo --- */

.logo {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
  padding: 10px 0;
}

.logo:hover {
  opacity: 0.9;
}

.logo img {
  height: 64px;
  width: auto;
  display: block;
}

/* --- Navigation --- */

.nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-white);
  padding: 22px 16px;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 14px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--color-accent-yellow);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 999px;
}

.nav-link:hover {
  color: var(--color-accent-yellow);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--color-accent-yellow);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Dropdown indicator — suppress on has-children so it doesn't override ::after */
.nav-item--has-children > .nav-link::after {
  display: none;
}

/* --- Dropdown Menu --- */

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: 0 8px 24px rgba(27, 46, 166, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 200;
}

.nav-item:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown .nav-link {
  padding: 12px 20px;
  font-size: 15px;
  color: var(--color-navy);
}

.dropdown .nav-link::after {
  display: none;
}

.dropdown .nav-link:hover {
  background-color: var(--color-rabbit-zone);
  color: var(--color-navy);
}

/* --- Header CTA Button --- */

.header-cta {
  flex-shrink: 0;
}

.header-cta .btn {
  background-color: var(--color-accent-pink);
  padding: 12px 22px;
  font-size: 14px;
}

.header-cta .btn:hover {
  background-color: var(--color-white);
  color: var(--color-accent-pink);
  box-shadow: none;
}

/* --- Mobile Menu Toggle --- */

.nav-toggle {
  display: none;
  background-color: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius);
  color: var(--color-white);
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
  order: -1;
  position: relative;
  z-index: 210;
}

.nav-toggle:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.nav-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-white);
  margin: 4px auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* --- Responsive --- */

@media (max-width: 1024px) {
  .site-header {
    padding: 8px 0;
  }

  .logo img {
    height: 48px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: auto;
    background-color: var(--color-primary);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 18px 20px 28px;
    border-radius: 0 0 28px 28px;
    box-shadow: 0 18px 36px rgba(27, 46, 166, 0.2);
    transform: translateY(-12px);
    transition: all 0.3s ease;
  }

  .nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: min(100%, 460px);
  }

  .nav-link {
    font-size: 19px;
    padding: 13px 24px;
    text-align: center;
    color: var(--color-white);
  }

  .dropdown {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    margin-top: 4px;
  }

  .dropdown .nav-link {
    color: var(--color-white);
    font-size: 16px;
  }

  .dropdown .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
  }

  .nav-item.dropdown-open > .dropdown {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .site-header .container {
    flex-direction: row-reverse;
  }
}

@media (max-width: 767px) {
  .logo img {
    height: 40px;
  }
}