* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%;
  overflow-x: hidden;
  background: #fff;
}

.page {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

/* Auto-switch: show desktop version by default, mobile version
   automatically takes over on phone/small-tablet screens */
.mobile-version { display: none; }
.desktop-version { display: block; }

@media (max-width: 767px) {
  .desktop-version { display: none; }
  .mobile-version  { display: block; }
}

.header-img, .hero-img {
  display: block;
  width: 100%;
  height: auto;
}

.header-wrap {
  position: relative;
  width: 100%;
}

/* Nav hit-areas are positioned as % of the header image so they scale
   perfectly on desktop, laptop and tablet screens */
.nav-link {
  position: absolute;
  top: 0;
  height: 100%;
  cursor: pointer;
  background: transparent;
  border: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  background: rgba(0, 0, 0, 0.04);
}

.nav-link:active,
.nav-link.clicked {
  transform: scale(0.94);
  background: rgba(0, 0, 0, 0.08);
}

/* Dropdown message that appears right under the clicked menu item */
.menu-msg {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  margin-top: 4px;
  background: #111;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 1000;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}

.menu-msg::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #111;
}

.menu-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Variants for menu items near the screen edge so the tooltip
   doesn't get clipped off-screen */
.menu-msg.align-left {
  left: 0;
  transform: translateX(0) translateY(-8px);
}
.menu-msg.align-left.show {
  transform: translateX(0) translateY(0);
}
.menu-msg.align-left::before {
  left: 20px;
  transform: translateX(0);
}

.menu-msg.align-right {
  left: auto;
  right: 0;
  transform: translateX(0) translateY(-8px);
}
.menu-msg.align-right.show {
  transform: translateX(0) translateY(0);
}
.menu-msg.align-right::before {
  left: auto;
  right: 20px;
  transform: translateX(0);
}

/* Tablet / small desktop tweak: shrink message font a touch */
@media (max-width: 1024px) {
  .menu-msg {
    font-size: 11px;
    padding: 8px 10px;
    white-space: normal;
    max-width: 160px;
    text-align: center;
  }
}