header {
  border-bottom: 1px solid #eef2ef;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--primary);
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.logo-sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.3px;
  margin-top: -4px;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}

nav a:hover {
  color: var(--primary);
}

.mobile-actions {
  display: none;
  gap: 16px;
  align-items: center;
}

.icon-btn {
  background: none;
  border: 1px solid #d0d9d2;
  border-radius: 40px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text);
  transition: all var(--transition);
}

.icon-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 16px 24px;
  background: white;
  border-bottom: 1px solid #eef2ef;
}

.mobile-menu a {
  padding: 12px 0;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid #f5f7f5;
}

.mobile-menu.open {
  display: flex;
}