/* ═══════════ TOP BAR ═══════════ */
.topbar {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  padding: 0.5rem 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.topbar a:hover { color: #fff; }

.topbar-left { display: flex; gap: 1.5rem; align-items: center; }
.topbar-right { display: flex; gap: 1.5rem; align-items: center; }

.topbar-item { display: flex; align-items: center; gap: 0.35rem; }

.topbar-item svg {
  width: 13px; height: 13px;
  fill: rgba(255,255,255,0.5);
  flex-shrink: 0;
}

/* ═══════════ NAVIGATION ═══════════ */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

.header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 38px; height: 38px;
  background: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo-mark::after {
  content: 'BP';
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  letter-spacing: -0.04em;
}

.logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--navy);
  letter-spacing: -0.03em;
}

.logo-text span { color: var(--blue); }

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

.nav-menu > li { position: relative; }

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}

.nav-menu > li > a:hover { color: var(--blue); }

.nav-menu > li > a svg { width: 12px; height: 12px; fill: currentColor; opacity: 0.5; }

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s;
  z-index: 200;
}

li:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: block;
  padding: 0.6rem 1rem;
  font-size: 0.84rem;
  color: var(--gray-600);
  border-radius: 8px;
  transition: all 0.15s;
}

.dropdown a:hover {
  background: var(--gray-100);
  color: var(--blue);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--blue);
  color: #fff;
  padding: 0.55rem 1.3rem;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.header-cta:hover { background: var(--blue-dark); box-shadow: 0 4px 16px rgba(25,62,234,0.25); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: 0.3s;
}