/* Base Typography and Global Styles */

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--background);
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-xl);
}

h4 {
  font-size: var(--text-lg);
}

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* Links */
a {
  color: var(--text-primary);
  transition: color var(--transition-base);
}

a:hover {
  color: var(--accent-from);
}

a:focus-visible {
  outline: 2px solid var(--accent-from);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Focus visible for keyboard navigation */
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-from);
  outline-offset: 2px;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Section spacing */
.section {
  padding: var(--spacing-4xl) 0;
}

/* Responsive container padding */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}

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

/* Utility classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}