.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all 0.4s;
}
.header.scrolled {
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
}
.logo img {
  height: 64px;
  width: auto;
  display: block;
}
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text2);
  padding: 8px 18px;
  border-radius: 100px;
  transition: all 0.3s;
}
.nav a:hover { color: var(--dark); background: var(--accent-glow); }
.nav a.active { color: var(--accent); background: var(--accent-glow); font-weight: 600; }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s;
}
@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 40px 24px;
    transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }
  .nav.open { right: 0; }
  .nav a { font-size: 1rem; width: 100%; text-align: center; }
}