/* ===========================================================================
   Base — modern reset + typography defaults
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern', 'liga', 'cv11', 'ss01';
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg) !important;
  background-image: none !important;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  font-weight: 400;
  font-feature-settings: 'kern', 'liga';
  font-variant-numeric: oldstyle-nums;
  transition: background-color var(--dur) var(--ease-out),
              color var(--dur) var(--ease-out);
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* Display headings — Spectral, weight 500-600 */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-strong);
  margin: 0;
  font-variant-numeric: lining-nums;
}

p {
  margin: 0;
  max-width: var(--container-prose);
}

::selection {
  background: var(--accent);
  color: var(--accent-fg);
}

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

/* Layout helper */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: currentColor;
}

/* Visually hidden */
.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;
}

/* Loader */
.app-loader {
  position: fixed;
  inset: 0;
  background: color-mix(in oklch, var(--bg) 92%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(8px);
}
.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.loader-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: loader-spin 0.9s linear infinite;
}
.loader-message {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}
@keyframes loader-spin { to { transform: rotate(360deg); } }