/* ============================================================
   Header & Navigation
   ============================================================ */
.site-header {
  background: var(--color-white);
  color: var(--color-secondary);
  border-bottom: 4px solid var(--color-secondary);
}

.site-header .container {
  padding-top: 16px;
  padding-bottom: 16px;
}

/* ============================================================
   Header Layout
   ============================================================ */
.header-inner {
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

/* Logo */
.site-brand {
  flex-shrink: 0;
  line-height: 0;
}

.logo-desktop-wrap {
  display: inline-block;
}

.logo-desktop {
  display: block;
  width: 150px;
  height: 150px;
}

.logo-mobile {
  display: none;
  width: auto;
  height: 40px;
}

/* ============================================================
   Navigation (desktop)
   ============================================================ */
.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-list {
  list-style: none;
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-pipe {
  color: var(--color-primary);
  font-size: 22.4px;
  line-height: 31.3667px;
  padding: 6px 0;
  user-select: none;
  pointer-events: none;
}

.nav-list > li > a {
  display: block;
  padding: 6px 10px;
  color: var(--color-secondary);
  text-decoration: none;
  font-family: "Roboto", sans-serif;
  font-size: 22.4px;
  font-weight: 400;
  letter-spacing: 0.224px;
  line-height: 31.3667px;
  text-align: right;
  white-space: nowrap;
}

.nav-list > li > a:hover {
  text-decoration: underline;
}

/* Dropdown folders */
.nav-folder {
  position: relative;
}

.nav-folder > a::after {
  content: " ▾";
  font-size: 0.7em;
  opacity: 0.8;
}

.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  list-style: none;
  margin: 0;
  padding: 6px 0;
  background: var(--color-primary);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.nav-folder:hover .nav-dropdown,
.nav-folder:focus-within .nav-dropdown {
  display: block;
}

.nav-dropdown li a {
  display: block;
  padding: 6px 16px;
  color: var(--color-cream);
  text-decoration: none;
  font-size: var(--text-sm);
  white-space: nowrap;
}

.nav-dropdown li a:hover {
  background: rgba(0, 0, 0, 0.12);
  color: var(--color-cream);
  text-decoration: none;
}

.nav-divider {
  padding: 4px 12px;
}

.nav-divider hr {
  margin: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
}

/* Shared social links */
.social-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-links a {
  line-height: 0;
  transition: opacity 0.15s;
}

.social-links svg {
  width: 32px;
  height: 32px;
}

/* Social icons in nav */
.nav-social {
  flex-shrink: 0;
}

.nav-social a {
  color: var(--color-secondary);
  opacity: 0.85;
}

.nav-social a:hover {
  opacity: 1;
}

/* Mobile hamburger button */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
  transition: transform 0.2s, opacity 0.2s;
}

/* ============================================================
   Header — Mobile Responsive
   ============================================================ */
@media (max-width: 767px) {
  .logo-desktop-wrap,
  .logo-desktop { display: none; }
  .logo-mobile  { display: block; }

  .nav-toggle {
    display: flex;
  }

  .site-header {
    position: relative;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-brown);
    border-top: 1px solid var(--color-nav-mobile-top-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    z-index: 200;
    padding: 8px 0 12px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-list > li > a {
    padding: 10px 20px;
    border-bottom: 1px solid var(--color-nav-mobile-border);
  }

  .nav-folder > a::after {
    float: right;
  }

  .nav-dropdown {
    position: static;
    display: block;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: hsl(19, 73%, 6%);
    padding: 0;
  }

  .nav-dropdown li a {
    padding: 8px 20px 8px 32px;
    border-bottom: 1px solid var(--color-nav-mobile-sub-border);
    font-size: var(--text-xs);
  }

  .nav-social {
    justify-content: center;
    padding: 12px 20px 4px;
    gap: 20px;
  }

  .nav-social a svg {
    width: 24px;
    height: 24px;
  }
}