/* ===================================================================
   BASE — Design tokens, typography, resets
   Community page for Archive of Our Learning
   =================================================================== */

/* --- Custom Properties ------------------------------------------- */
:root {
  /* Palette — warm maroon from logo + cream */
  --accent: #8b1a2b;
  --accent-light: #a82640;
  --accent-pale: rgba(139, 26, 43, 0.07);
  --accent-pale2: rgba(139, 26, 43, 0.12);

  /* Surfaces — warm parchment */
  --bg: #faf7f2;
  --bg-alt: #f3ede4;
  --bg-card: #ffffff;

  /* Text hierarchy — warm browns */
  --text: #2a2118;
  --text-mid: #4d4339;
  --text-muted: #887b6e;
  --text-faint: #b3a898;

  /* Borders */
  --border: #e6dfd4;
  --border-light: #eee9e0;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Layout */
  --container-max: 760px;
  --container-wide: 960px;
  --container-pad: clamp(1.25rem, 5vw, 2rem);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;

  /* Typography */
  --font-display: 'Fraunces', 'Lora', Georgia, serif;
  --font-body: 'Figtree', 'Inter', system-ui, sans-serif;
}

/* --- Font Faces -------------------------------------------------- */

@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-var-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-024F, U+0300-036F, U+1E00-1EFF;
}

@font-face {
  font-family: 'Lora';
  src: url('../fonts/lora-var-cyrillic.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F;
}

@font-face {
  font-family: 'Figtree';
  src: url('../fonts/figtree-var-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-024F, U+0300-036F, U+1E00-1EFF;
}

@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-var-cyrillic.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0400-04FF, U+0500-052F;
}

/* --- Reset ------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mid);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Typography -------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text);
  line-height: 1.25;
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

h4 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}

p {
  max-width: 65ch;
  color: var(--text-mid);
}

/* --- Utility ----------------------------------------------------- */

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

/* --- Focus ------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Selection --------------------------------------------------- */

::selection {
  background: var(--accent-pale2);
}

/* --- Reduced Motion ---------------------------------------------- */

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