/* ── Mobile hamburger icon – always black ── */
.mobile-menu-btn {
  padding: 6px 8px;
  background: rgba(255,255,255,.92);
  border-radius: 8px !important;
  border: 1.5px solid rgba(0,0,0,.12) !important;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 22px;
}
.hamburger-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: #111;
  border-radius: 2px;
  transition: all .25s ease;
}
.mobile-menu-btn:hover .hamburger-icon span { background: #1c69d4; }

/* ── Logo brand ── */
.brand-logo img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.35));
  transition: transform .3s ease;
}
.brand-logo img:hover { transform: scale(1.06); }
.brand-name {
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #1c69d4;
  line-height: 1.1;
}
.brand-sub {
  font-size: .6rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(28,105,212,.75);
}
.main-navbar.scrolled .brand-name { color: #1c69d4; }
.main-navbar.scrolled .brand-sub  { color: rgba(28,105,212,.7); }