/* ============================================================
   TYPOGRAPHY CSS — Prashant Pandey
   ============================================================ */

/* ---------- Base ---------- */
body {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ---------- Headings ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 800;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: 1.1rem; font-weight: 700; }
h5 { font-size: 0.95rem; font-weight: 600; }
h6 { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }

/* ---------- Lead Paragraph ---------- */
.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.75;
  font-weight: 400;
}

/* ---------- Inline ---------- */
strong, b   { font-weight: 700; color: var(--text-primary); }
em, i       { font-style: italic; }
small       { font-size: 0.82rem; color: var(--text-muted); }
mark        { background: rgba(99,102,241,0.25); color: #a5b4fc; border-radius: 3px; padding: 0 4px; }
abbr        { text-decoration: underline dotted; cursor: help; }
del         { text-decoration: line-through; color: var(--text-muted); }
kbd {
  font-family: var(--font-mono);
  font-size: 0.78em;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text-secondary);
}

/* ---------- Links ---------- */
.text-link {
  color: var(--accent-1);
  text-decoration: underline;
  text-decoration-color: rgba(99,102,241,0.4);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}
.text-link:hover {
  color: var(--accent-2);
  text-decoration-color: var(--accent-2);
}

/* ---------- Lists ---------- */
.styled-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.styled-list li {
  display: flex;
  gap: var(--space-3);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}
.styled-list li::before {
  content: '▸';
  color: var(--accent-1);
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.75rem;
}

/* ---------- Code ---------- */
.inline-code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(99,102,241,0.12);
  color: #a5b4fc;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(99,102,241,0.2);
}
.code-block {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  overflow-x: auto;
  color: #c4b5fd;
  line-height: 1.65;
  tab-size: 2;
  max-width: 100%;
  width: 100%;
}

/* ---------- Quote ---------- */
.pull-quote {
  border-left: 3px solid var(--accent-1);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: rgba(99,102,241,0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ---------- Text Utilities ---------- */
.text-xs      { font-size: 0.72rem; }
.text-sm      { font-size: 0.85rem; }
.text-base    { font-size: 1rem; }
.text-lg      { font-size: 1.125rem; }
.text-xl      { font-size: 1.25rem; }
.text-2xl     { font-size: 1.5rem; }
.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-accent    { color: var(--accent-1); }
.text-teal      { color: var(--accent-teal); }
.font-mono      { font-family: var(--font-mono); }
.font-bold      { font-weight: 700; }
.font-semibold  { font-weight: 600; }
.uppercase      { text-transform: uppercase; letter-spacing: 0.08em; }
.tracking-wide  { letter-spacing: 0.05em; }
.text-center    { text-align: center; }
.text-right     { text-align: right; }
.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;
}

/* ---------- Abstract Box ---------- */
.abstract-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}
.abstract-box h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: var(--space-3);
}
.abstract-box p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* ---------- Info Box ---------- */
.info-box {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin: var(--space-6) 0;
  font-size: 0.9rem;
  line-height: 1.7;
}
.info-box--note   { background: rgba(99,102,241,0.07); border-color: rgba(99,102,241,0.25); color: var(--text-secondary); }
.info-box--tip    { background: rgba(20,184,166,0.07);  border-color: rgba(20,184,166,0.25);  color: var(--text-secondary); }
.info-box--warn   { background: rgba(245,158,11,0.07);  border-color: rgba(245,158,11,0.25);  color: var(--text-secondary); }
.info-box__icon   { font-size: 1.1rem; flex-shrink: 0; }

/* ---------- Reading Time ---------- */
.reading-time {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.reading-time::before {
  content: '◷';
  font-size: 0.85rem;
}