/* ============================================
   7-TYPOGRAPHY.CSS
   
   Global Typography Rules
   - Fluid type scale
   - Heading hierarchy
   - Content typography
   - Prose styling
   - Editorial elements (dividers, quotes)
   ============================================ */

/* --- Base Typography --- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'liga' 1, 'onum' 1, 'kern' 1;
}

/* --- Heading Hierarchy --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Post content headings - more readable, less aggressive */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0.02em;
}

.post-content h1,
.post-content h2 {
  font-family: var(--font-body);
  font-weight: 800;
  line-height: 1.2;
}

.post-content h3,
.post-content h4 {
  line-height: 1.25;
}

h1 {
  font-size: var(--text-xxl);
  margin-top: 0;
}

h2 {
  font-size: var(--text-xl);
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--color-primary);
}

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

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

h5 {
  font-size: var(--text-sm);
}

h6 {
  font-size: var(--text-xs);
  font-weight: 700;
}

/* Post Title - Fluid sizing with bottom border */
.post-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
  letter-spacing: -0.02em;
  font-weight: 800;
}

/* Project Title */
.project-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Paragraphs --- */
p {
  margin-bottom: 1em;
  max-width: var(--content-max-width);
}

/* Lead paragraph */
.lead,
.page-content > p:first-of-type,
.post-content > p:first-of-type {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text-secondary);
}

/* --- Links --- */
/* Standard gradient underline hover (300ms) - matches 4-content.css */
a:not(.btn):not(.nav-link):not(.no-hover) {
  color: var(--color-link);
  text-decoration: none;
  background-image: linear-gradient(
    to right,
    var(--color-link-gradient-start, var(--color-primary)) 0%,
    var(--color-link-gradient-end, var(--color-teal)) 100%
  );
  background-size: 0% 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size var(--duration-normal, 300ms) ease,
              color var(--duration-fast);
}

a:not(.btn):not(.nav-link):not(.no-hover):hover,
a:not(.btn):not(.nav-link):not(.no-hover):focus,
a:not(.btn):not(.nav-link):not(.no-hover):active {
  color: var(--color-primary-dark);
  background-size: 100% 2px;
}

/* Basic links without gradient effect */
a.btn,
a.nav-link,
a.no-hover {
  text-decoration: none;
  transition: color var(--duration-fast),
              background-color var(--duration-fast),
              border-color var(--duration-fast);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  a:not(.btn):not(.nav-link):not(.no-hover) {
    transition: none !important;
    background-image: none !important;
    text-decoration: underline;
  }
}

/* External link indicator */
a[href^="http"]::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.2em;
  font-size: 0.75em;
  opacity: 0.6;
}

/* --- Lists --- */
ul, ol {
  margin-bottom: 1em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.25em;
}

/* --- Blockquotes --- */
blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-secondary);
  font-style: italic;
  font-size: 1.05em;
}

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

blockquote cite {
  display: block;
  margin-top: 1em;
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

blockquote cite::before {
  content: '— ';
}

/* --- Featured Quote (Editorial) --- */
.quote-featured {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  line-height: 1.3;
  text-align: center;
  margin: var(--space-xxl) 0;
  color: var(--color-text);
  position: relative;
}

.quote-featured::before {
  content: "";
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.2;
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
}

.quote-featured cite {
  display: block;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  font-style: normal;
  font-weight: 500;
}

/* --- Code --- */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-secondary);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  color: var(--color-text);
}

pre {
  background: var(--code-bg-dark);
  color: var(--code-text-light);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  overflow-x: auto;
  line-height: 1.6;
  margin: var(--space-lg) 0;
}

pre code {
  background: transparent;
  padding: 0;
  font-size: var(--text-sm);
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: var(--text-sm);
}

th, td {
  padding: 0.75em 1em;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-family: var(--font-heading);
  font-weight: 600;
  border-bottom: 2px solid var(--color-text);
}

tbody tr:nth-child(even) {
  background: var(--color-bg-secondary);
}

/* --- Horizontal Rules --- */
hr {
  margin: 2em 0;
  border: none;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-border),
    transparent
  );
}

/* --- Ornamental Dividers --- */
hr.divider {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xl) 0;
  position: relative;
  overflow: visible;
}

/* Dingbat Style */
hr.divider--ornament::after {
  content: "❖";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-bg);
  padding: 0 var(--space-md);
  color: var(--color-primary);
  font-size: 1.5rem;
}

/* Dots Style */
hr.divider--dots::after {
  content: "•••";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-bg);
  padding: 0 var(--space-md);
  color: var(--color-text-muted);
  font-size: 1rem;
  letter-spacing: 0.5em;
}

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

/* --- Focus Styles --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Print Styles --- */
/* Note: Hardcoded values are intentional for printer compatibility */
@media print {
  body {
    font-size: 11pt;
    line-height: 1.5;
    color: #000;
  }
  
  h1 { font-size: 18pt; }
  h2 { font-size: 14pt; }
  h3 { font-size: 12pt; }
  
  a {
    color: #000;
    text-decoration: none;
  }
  
  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  hr.divider--ornament::after,
  hr.divider--dots::after {
    background: white;
  }
}