/* Critical Above-the-Fold CSS - Inline this for better performance */

/* Font optimization for better loading performance */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter'), url('https://fonts.gstatic.com/s/inter/v12/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2') format('woff2');
}

@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Poppins SemiBold'), url('https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLEj6Z1xlFd2JQEk.woff2') format('woff2');
}

/* Essential variables only */
:root {
  --primary-color: #facc15;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --dark-space: #0a0a0a;
  --dark-surface: #111111;
  --text-white: #ffffff;
  --text-gray: #d1d5db;
}

/* Base layout and typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--dark-space);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Critical navigation styles */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  background: rgba(10, 10, 10, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Hero section - above the fold */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Essential animation for hero */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-up {
  animation: slideUp 0.8s ease-out forwards;
}

/* Loading state */
.loading {
  opacity: 0;
}

/* Critical button styles */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--dark-space);
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
}