/* ==========================================================================
   MERIDIANO — Base Styles, Reset & Typography
   ========================================================================== */

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

html {
  font-size: 16px;
  line-height: var(--leading-body);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: clip;
  overflow-x: hidden;
  background-color: var(--bg-page);
  color: var(--color-ink);
  width: 100%;
  max-width: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--color-ink);
  background-color: var(--bg-page);
  overflow-x: clip;
  overflow-x: hidden;
  position: relative;
  width: 100%;
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6, p, a, span, li, blockquote {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Accessibility: Skip to Main Content */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--color-forest);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--color-terracotta);
}

/* Focus styles for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 3px;
}

/* Text Selection */
::selection {
  background-color: var(--color-terracotta-soft);
  color: var(--color-terracotta);
}

/* Base Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--leading-heading);
  color: var(--color-ink);
  letter-spacing: var(--tracking-tight);
}

h1 {
  font-size: var(--text-h1);
  font-weight: 400;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 400;
}

h3 {
  font-size: var(--text-h3);
  font-weight: 500;
}

p {
  margin-bottom: 1.5rem;
  color: var(--color-ink-light);
  line-height: var(--leading-body);
}

p:last-child {
  margin-bottom: 0;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
}

/* Images & Media */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  image-rendering: -webkit-optimize-contrast;
  background-color: var(--bg-surface-warm);
}

figure {
  margin: 0;
}

figcaption {
  font-family: var(--font-sans);
  font-size: var(--text-caption);
  color: var(--color-caption);
  line-height: 1.45;
  margin-top: 0.625rem;
  border-left: 2px solid var(--rule-standard);
  padding-left: 0.75rem;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* Screen reader 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;
}

/* Signature Index & Meta notation */
.editorial-index {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  color: var(--color-secondary);
}

.editorial-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-meta);
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.editorial-tag::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  background-color: var(--color-terracotta);
  border-radius: 50%;
}

.editorial-rule {
  height: 1px;
  background-color: var(--rule-standard);
  border: none;
  margin: var(--space-xl) 0;
}

.editorial-rule--subtle {
  background-color: var(--rule-subtle);
}

.editorial-rule--strong {
  background-color: var(--rule-strong);
  height: 2px;
}