/**
 * Typography Styles - branchstone.art
 *
 * Contents:
 * - Heading styles (h1-h6)
 * - Body text & paragraphs
 * - Links with animated underline
 * - Blockquotes
 * - Lists
 * - Utility classes
 */

/* ========================================
   HEADINGS
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);

  /* Improve heading kerning */
  text-rendering: optimizeLegibility;
}

h1 {
  font-size: var(--text-display-lg);
  margin-bottom: var(--space-8);
}

h2 {
  font-size: var(--text-display-md);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: var(--text-display-sm);
  margin-bottom: var(--space-5);
}

h4 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

h5 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  font-weight: var(--font-regular);
}

h6 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-normal);
}

/* Hero/Display headings */
.heading-display {
  font-size: var(--text-display-2xl);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tighter);
  margin-bottom: var(--space-10);
}

/* ========================================
   BODY TEXT & PARAGRAPHS
   ======================================== */

p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

/* Last paragraph in a container shouldn't have bottom margin */
p:last-child {
  margin-bottom: 0;
}

/* Lead/intro paragraph */
.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  font-weight: var(--font-regular);
  margin-bottom: var(--space-8);
}

/* Small text */
.text-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

/* Large text */
.text-large {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* ========================================
   LINKS
   ======================================== */

a {
  color: var(--accent-primary);
  text-decoration: none;
  /* Enhanced with premium color transition */
  transition: var(--transition-hover-color);
  position: relative;
}

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

/* Animated underline for text links */
a:not(.btn):not(.nav-link):not(.header__nav-link):not(.footer__nav-link):not(.mobile-menu__link) {
  background-image: linear-gradient(
    to right,
    var(--accent-primary) 0%,
    var(--accent-primary) 100%
  );
  background-size: 0% 1px;
  background-position: 0% 100%;
  background-repeat: no-repeat;
  transition: background-size var(--transition-smooth), color var(--transition-fast);
}

a:not(.btn):not(.nav-link):not(.header__nav-link):not(.footer__nav-link):not(.mobile-menu__link):hover,
a:not(.btn):not(.nav-link):not(.header__nav-link):not(.footer__nav-link):not(.mobile-menu__link):focus {
  background-size: 100% 1px;
}

/* External link indicator */
a[target="_blank"]:not(.btn)::after {
  content: '↗';
  display: inline-block;
  margin-left: var(--space-1);
  font-size: 0.85em;
  vertical-align: super;
  line-height: 0;
}

/* ========================================
   BLOCKQUOTES
   ======================================== */

blockquote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: var(--leading-snug);
  font-weight: var(--font-light);
  font-style: italic;
  color: var(--text-secondary);

  margin: var(--space-12) 0;
  padding-left: var(--space-8);
  border-left: 3px solid var(--accent-primary);

  position: relative;
}

blockquote::before {
  content: '"';
  font-size: 4em;
  line-height: 0;
  position: absolute;
  left: -0.2em;
  top: 0.4em;
  color: var(--accent-primary);
  opacity: 0.3;
  font-style: normal;
}

blockquote p {
  font-size: inherit;
  line-height: inherit;
}

blockquote cite {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--text-base);
  font-style: normal;
  font-family: var(--font-body);
  color: var(--text-tertiary);
}

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

/* ========================================
   LISTS
   ======================================== */

ul,
ol {
  margin: var(--space-6) 0;
  padding-left: var(--space-8);
}

ul {
  list-style-type: none;
}

/* Custom bullet points */
ul li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
}

ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background-color: var(--accent-primary);
  border-radius: 50%;
}

/* Ordered lists */
ol {
  list-style-type: decimal;
  list-style-position: outside;
}

ol li {
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
}

ol li::marker {
  color: var(--accent-primary);
  font-weight: var(--font-semibold);
}

/* Nested lists */
ul ul,
ol ul,
ul ol,
ol ol {
  margin: var(--space-3) 0;
}

/* Remove margin from last list item */
li:last-child {
  margin-bottom: 0;
}

/* ========================================
   EMPHASIS & STRONG
   ======================================== */

em,
i {
  font-style: italic;
}

strong,
b {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

/* ========================================
   INLINE CODE
   ======================================== */

code {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
  padding: var(--space-1) var(--space-2);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--accent-tertiary);
}

/* Code blocks */
pre {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  padding: var(--space-6);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-8) 0;
}

pre code {
  padding: 0;
  background: none;
  border: none;
  font-size: inherit;
}

/* ========================================
   HORIZONTAL RULE
   ======================================== */

hr {
  border: 0;
  height: 1px;
  background: var(--border-default);
  margin: var(--space-12) 0;
}

/* Decorative HR */
hr.decorative {
  position: relative;
  height: 1px;
  background: transparent;
  overflow: visible;
}

hr.decorative::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 1px;
  background: var(--border-default);
}

hr.decorative::after {
  content: '✦';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-primary);
  padding: 0 var(--space-4);
  color: var(--accent-primary);
  font-size: var(--text-sm);
}

/* ========================================
   ABBREVIATIONS
   ======================================== */

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
  border-bottom: 1px dotted var(--border-strong);
}

/* ========================================
   MARK/HIGHLIGHT
   ======================================== */

mark {
  background-color: var(--accent-secondary);
  color: var(--text-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Text transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Font weights */
.font-light { font-weight: var(--font-light); }
.font-regular { font-weight: var(--font-regular); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Font families */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }

/* Text colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-accent { color: var(--accent-primary); }

/* Letter spacing */
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }

/* Line height */
.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* Truncate text with ellipsis */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Line clamp (multiline truncation) */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Heading Utilities */
.heading-xl {
  font-family: var(--font-display);
  font-size: var(--text-display-xl);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

.subheading {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 42rem;
}

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

/* ========================================
   MOBILE TYPOGRAPHY ENHANCEMENTS
   Improved readability on small screens
   ======================================== */

@media (max-width: 768px) {
  /* Stronger heading weights for better mobile readability */
  h1, h2, h3, h4, .heading-display, .heading-xl {
    font-weight: var(--font-regular); /* 400 instead of 300 */
  }

  h5 {
    font-weight: var(--font-medium); /* 500 instead of 400 */
  }

  /* Slightly better line-height for mobile reading */
  h1, h2, h3 {
    line-height: 1.15; /* Improved from 1.1 (--leading-tight) */
  }

  /* Optimize paragraph sizing for mobile */
  p {
    font-size: 1rem; /* 16px - browser default, prevents zoom on iOS */
    line-height: 1.6; /* Better mobile readability */
  }

  .lead {
    font-size: var(--text-lg); /* 18px - scaled down from 20px for mobile */
  }
}