/* Site header (index.html, privacy-policy.html, …) */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  border-bottom: 1px solid #27272a;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.header-logo:hover .header-logo-text {
  background: linear-gradient(to right, #c084fc, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(to top right, #a855f7, #f97316);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.header-logo-icon img {
  display: block;
}

.header-logo-text {
  color: #ffffff;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.025em;
  transition: all 0.3s ease;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav a {
  color: #d4d4d8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav a:hover {
  color: #ffffff;
}

.header-nav-icon {
  opacity: 0.5;
  flex-shrink: 0;
  display: block;
}

@media (max-width: 640px) {
  .header-logo-text {
    display: none;
  }
}
