/* Critical CSS for above-the-fold content */
:root {
  --font-manrope: 'Manrope', sans-serif;
  --font-ibm-plex-serif: 'IBM Plex Serif', serif;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-manrope);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-sans {
  font-family: var(--font-manrope);
}

.font-serif {
  font-family: var(--font-ibm-plex-serif);
}

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
}

/* Hero section styles */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

/* Optimize image placeholders */
img {
  background-color: transparent;
}