/* base.css — Base Typography and Document Configurations */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: var(--line-height-body);
  overflow-x: hidden;
  transition: background-color var(--transition-speed-normal) var(--transition-ease),
              color var(--transition-speed-normal) var(--transition-ease);
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-title);
  font-weight: 700;
  line-height: var(--line-height-title);
  color: var(--color-text-main);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.01em;
}

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

p {
  color: var(--color-text-muted);
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Screen reader only utility (A11y helper) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Text styles */
.text-center {
  text-align: center;
}

.text-accent-blue {
  color: var(--color-accent-blue);
}

.text-accent-green {
  color: var(--color-accent-green);
}

/* Scroll block when modal menu is open */
body.menu-open {
  overflow: hidden;
}

/* Keyboard outline visibility */
*:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

/* Selection colors */
::selection {
  background-color: var(--color-accent-blue);
  color: var(--color-text-inverse);
}