/* Base Resets & Global Styles - Light Theme */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
}

/* Background Gradients & Mesh Glows */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(var(--primary-rgb), 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 50%, rgba(var(--secondary-rgb), 0.04) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(var(--accent-rgb), 0.03) 0%, transparent 45%);
  pointer-events: none;
  z-index: var(--z-negative);
}

/* Typography Custom Styling */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* Helper Layout Classes */
.container {
  width: 100%;
  max-width: var(--container-xxl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section-padding {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
  position: relative;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

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

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection color */
::selection {
  background-color: var(--primary);
  color: #ffffff;
}

/* Grayscale Image to Color on Hover */
.grayscale-hover {
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter var(--transition-normal), opacity var(--transition-normal);
}

.grayscale-hover:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* Gradient text utility */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: rgba(var(--primary-rgb), 0.06);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  color: var(--primary);
}

.text-muted-light {
  color: var(--text-secondary) !important;
}