/* ==========================================================
   MoreTech BMP360 – Global Header System
   Version: FINAL STABLE (Dropdown Fixed)
   Architecture: Stable · Theme-Ready · Enterprise-Grade
========================================================== */

/* ==========================================================
   THEME VARIABLES
========================================================== */
:root {
  --mt-brand-primary: #1e6be3;
  --mt-brand-primary-hover: #1559c9;
  --mt-brand-primary-soft: #eef4ff;

  --mt-text-dark: #0a2540;
  --mt-text-muted: #6b7280;
  --mt-text-light: #ffffff;

  --mt-surface-header: #ffffff;
  --mt-surface-utility: linear-gradient(90deg, #1e6be3, #2f7df0);
  --mt-surface-dropdown: #ffffff;

  --mt-border-color: #e5e7eb;
  --mt-shadow-soft: 0 4px 14px rgba(0,0,0,0.08);
  --mt-shadow-strong: 0 12px 30px rgba(0,0,0,0.12);

  --mt-ease: cubic-bezier(.22,1,.36,1);
}

/* ==========================================================
   HEADER SHELL
========================================================== */
.site-header {
  position: relative;
  z-index: 1000;
  background: var(--mt-surface-header);
}

/* ==========================================================
   TOP UTILITY BAR
========================================================== */
.top-utility-bar {
  background: var(--mt-surface-utility);
  color: var(--mt-text-light);
  font-size: 0.72rem;
  border-bottom: 1px solid rgba(255,255,255,0.25);
}

.top-utility-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 40px;
}

.top-links {
  font-weight: 600;
  letter-spacing: 0.25px;
  white-space: nowrap;
}

/* ==========================================================
   SEARCH
========================================================== */
.top-search {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.top-search input {
  width: 100%;
  border: none;
  border-radius: 999px;
  padding: 8px 44px 8px 18px;
  font-size: 0.78rem;
  background: #ffffff;
  box-shadow: var(--mt-shadow-soft);
  outline: none;
  transition: box-shadow .25s var(--mt-ease);
}

.top-search input:focus {
  box-shadow: 0 0 0 2px rgba(30,107,227,.35), var(--mt-shadow-soft);
}

.top-search button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: var(--mt-brand-primary);
}

/* ==========================================================
   NAVBAR
========================================================== */
.navbar {
  background: var(--mt-surface-header);
  border-bottom: 1px solid var(--mt-border-color);
  padding: 14px 0;
}

.site-logo {
  max-height: 66px;
}

/* ==========================================================
   NAV LINKS
========================================================== */
.navbar-nav .nav-link {
  position: relative;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 14px;
  color: var(--mt-text-dark);
  transition: color .2s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--mt-brand-primary);
}

/* underline */
.navbar-nav .nav-link::before {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--mt-brand-primary);
  transform: scaleX(0);
  transition: transform .25s var(--mt-ease);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
  transform: scaleX(1);
}

/* ==========================================================
   DROPDOWN TOGGLE – FINAL FIX (ONE SOURCE OF TRUTH)
========================================================== */
.navbar-nav .dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

/* arrow */
.navbar-nav .dropdown-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .25s var(--mt-ease), opacity .2s ease;
  opacity: 0.7;
}

/* open state */
.navbar-nav .dropdown-toggle.show::after {
  transform: rotate(-135deg);
  opacity: 1;
}

/* ==========================================================
   DROPDOWN MENU
========================================================== */
.dropdown-menu {
  background: var(--mt-surface-dropdown);
  border-radius: 10px;
  border: 1px solid var(--mt-border-color);
  padding: 8px;
  box-shadow: var(--mt-shadow-strong);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s var(--mt-ease);
}

.dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
}

.dropdown-item {
  font-size: 0.82rem;
  padding: 9px 14px;
  border-radius: 8px;
}

.dropdown-item:hover {
  background: var(--mt-brand-primary-soft);
  color: var(--mt-brand-primary);
}

/* ==========================================================
   CTA BUTTON
========================================================== */
.navbar .btn-primary {
  background: var(--mt-brand-primary);
  border-color: var(--mt-brand-primary);
  font-size: 0.78rem;
  padding: 9px 22px;
  border-radius: 999px;
}

.navbar .btn-primary:hover {
  background: var(--mt-brand-primary-hover);
}

/* ==========================================================
   DIVIDER
========================================================== */
.header-divider {
  height: 4px;
  background: linear-gradient(
    90deg,
    rgba(30,107,227,0.25),
    rgba(30,107,227,0.85),
    rgba(30,107,227,0.25)
  );
}
/* ==========================================================
   HEADER – TOP UTILITY BAR (MODERN)
========================================================== */

.site-header .top-utility-bar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;

  padding: 6px 10px;
  border-radius: 999px;

  color: rgba(255, 255, 255, 0.9);
  transition: all 0.2s ease;
}
.site-header .top-utility-bar a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}
.site-header .top-utility-bar i,
.site-header .top-utility-bar svg {
  font-size: 0.9rem;
  opacity: 0.9;
}