/* ============================================================
   KUMA TECHNOLOGY — Header Styles
   ============================================================ */

/* --- Top Bar (contact info) --- */
.top-bar {
  background: var(--color-nav);
  color: rgba(255,255,255,0.75);
  font-size: var(--text-xs);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; }
.top-bar a { color: rgba(255,255,255,0.75); transition: color var(--transition-fast); }
.top-bar a:hover { color: var(--color-accent); }
.top-bar-left { display: flex; gap: var(--space-4); align-items: center; }
.top-bar-right { display: flex; gap: var(--space-3); align-items: center; }

/* --- Main Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.header-main {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: 0 var(--space-2) 0 var(--space-4);
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}
.logo-img {
  height: 44px;
  width: auto;
  filter: none;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  font-size: var(--text-xl);
  color: var(--color-nav);
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--color-primary); }

/* Search */
.header-search {
  flex: 1;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}
.header-search .search-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: all var(--transition-base);
  width: 100%;
  box-shadow: var(--shadow-sm);
}
.header-search .search-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(10,126,164,0.15);
  background: var(--color-surface);
}
#search-input {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: none;
  font-size: var(--text-sm);
  outline: none;
  color: var(--color-text);
}
#search-btn {
  padding: var(--space-3) var(--space-6);
  background: var(--gradient-accent);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}
#search-btn:hover { opacity: 0.9; }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}
.header-action-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 22px;
  transition: all var(--transition-fast);
  min-width: 44px;
}
.header-action-btn:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.header-action-label {
  font-size: 10px;
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  white-space: nowrap;
}
.cart-count {
  position: absolute;
  top: 2px;
  right: 6px;
  background: var(--color-danger);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-surface);
}
.cart-bounce { animation: cartBounce 0.6s ease; }

/* --- Navigation Bar --- */
.site-nav {
  background: var(--color-nav);
  height: var(--nav-height);
  box-shadow: var(--shadow-nav);
  position: relative;
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-1);
}
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  height: 100%;
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
  cursor: pointer;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  border-radius: var(--radius-full) var(--radius-full) 0 0;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: #fff; }
.nav-link.active::after { transform: scaleX(1); }

.nav-link-service {
  margin-left: auto;
  background: rgba(0,201,167,0.15);
  border: 1px solid rgba(0,201,167,0.3);
  border-radius: var(--radius-sm);
  color: var(--color-accent) !important;
}
.nav-link-service:hover { background: rgba(0,201,167,0.25) !important; }

/* Dropdown Menu */
.nav-item {
  position: relative;
  height: 100%;
}
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 110;
  border: 1px solid var(--color-border);
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  color: var(--color-text);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.dropdown-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* --- Hamburger (mobile) --- */
#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
#hamburger:hover { background: var(--color-bg-alt); }
.ham-line {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}
#hamburger.open .ham-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.open .ham-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#hamburger.open .ham-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile Menu Drawer --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--color-nav);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
.mobile-menu-header {
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu-close {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-xl);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.mobile-menu-close:hover { background: rgba(255,255,255,0.1); color: #fff; }

.mobile-search {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-search input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: var(--text-sm);
  outline: none;
}
.mobile-search input::placeholder { color: rgba(255,255,255,0.5); }

.mobile-nav { padding: var(--space-3) 0; flex: 1; }
.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
  cursor: pointer;
  border-left: 3px solid transparent;
}
.mobile-nav-link:hover { color: #fff; background: rgba(255,255,255,0.07); border-left-color: var(--color-accent); }
.mobile-nav-link.active { color: #fff; background: rgba(255,255,255,0.1); border-left-color: var(--color-accent); }

.mobile-nav-sublink {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6) var(--space-3) var(--space-10);
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: rgba(0,0,0,0.15);
}
.mobile-nav-sublink:hover { color: #fff; background: rgba(255,255,255,0.05); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
  display: none;
  backdrop-filter: blur(2px);
}
.mobile-overlay.active { display: block; }

/* --- Editor Button (visible only in editor mode) --- */
#editor-btn {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 150;
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-bounce);
}
#editor-btn:hover { transform: scale(1.05); box-shadow: 0 10px 30px rgba(1,24,38,0.4); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .top-bar { display: none; }
  .header-search { display: none; }
  .site-nav { display: none; }
  #hamburger { display: flex; }
  .header-action-label { display: none; }
  .logo-text { font-size: var(--text-lg); }
}