@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Grotesk', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: #F8FAFC;
  color: #0F172A;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: var(--font-sans);
  letter-spacing: -0.025em;
}

.font-mono-tech {
  font-family: var(--font-mono);
}

/* Background Gradients */
.tech-grid-bg {
  background: radial-gradient(circle at 50% 0%, rgba(14, 165, 233, 0.06) 0%, transparent 65%), #F8FAFC;
}

.tech-grid-dense {
  background: #F1F5F9;
}

/* Elevation & Shadows */
.card-elevation {
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
}

.card-elevation-hover {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-elevation-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 30px -10px rgba(14, 165, 233, 0.16), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Animation Utilities */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fade-in {
  animation: fadeIn 0.25s ease-out forwards;
}

.animate-scale-up {
  animation: scaleUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Modal Dialog */
.modal-backdrop {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
}