/* ============================================
   SHARED HEADER — Guest Engine
   Single source of truth for all page headers.
   ============================================ */

.ge-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: linear-gradient(
    to bottom,
    #020617 0%,
    rgba(2, 6, 23, 0.60) 50%,
    transparent 100%
  );
  pointer-events: none;
  transition: background 0.5s ease, backdrop-filter 0.5s ease, border-bottom 0.5s ease, box-shadow 0.5s ease;
}

.ge-header > * {
  pointer-events: auto;
}

.ge-header.scrolled {
  background: rgba(2, 6, 23, 0.80);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  pointer-events: auto;
}

/* --- Logo (HTML/CSS) --- */
.ge-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  gap: 10px;
}

.ge-header__logo-img {
  height: 36px;
  width: auto;
}

.ge-header__logo-icon {
  width: 36px;
  height: 36px;
}

.ge-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.ge-header__logo-cos {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #ffffff;
  text-transform: uppercase;
}

.ge-header__logo-ge {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 1px;
}

.ge-header__logo-guest {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #fbbf24;
  text-transform: uppercase;
}

.ge-header__logo-engine {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #fbbf24;
  text-transform: uppercase;
}

/* --- Nav Links --- */
.ge-header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.ge-header__nav a {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: none;
  color: rgba(255, 255, 255, 0.60);
  transition: color 0.2s ease;
  text-decoration: none;
}

.ge-header__nav a:hover {
  color: #ffffff;
}

.ge-header__nav a.on {
  color: #fbbf24;
}

/* --- Action Buttons --- */
.ge-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ge-header__login {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-transform: none;
  color: rgba(255, 255, 255, 0.60);
  transition: color 0.2s ease;
  text-decoration: none;
}

.ge-header__login:hover {
  color: #ffffff;
}

.ge-header__signup {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.3px;
  background: #fbbf24;
  color: #020617;
  padding: 8px 20px;
  border-radius: 6px;
  transition: background 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.ge-header__signup:hover {
  background: #f59e0b;
}

/* --- Hamburger (mobile) --- */
.ge-header__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  pointer-events: auto;
}

.ge-header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.ge-header__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.ge-header__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.ge-header__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile overlay --- */
.ge-header__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(2, 6, 23, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.ge-header__mobile-overlay.active {
  display: flex;
}

.ge-header__mobile-overlay a {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.2s ease;
}

.ge-header__mobile-overlay a:hover {
  color: #ffffff;
}

.ge-header__mobile-overlay a.on {
  color: #fbbf24;
}

.ge-header__mobile-overlay .ge-header__signup {
  margin-top: 8px;
  font-size: 16px;
  padding: 12px 32px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .ge-header {
    padding: 0 20px;
  }

  .ge-header__nav {
    display: none;
  }

  .ge-header__actions {
    display: none;
  }

  .ge-header__hamburger {
    display: block;
  }

  .ge-header__logo-img {
    height: 28px;
  }
  .ge-header__logo-icon {
    width: 28px;
    height: 28px;
  }
  .ge-header__logo-cos {
    font-size: 11px;
  }
  .ge-header__logo-guest,
  .ge-header__logo-engine {
    font-size: 9px;
  }
}