/* typography.css
   Fonts:
   --font-heading: "Syne", system-ui, sans-serif;
   --font-body: "Geist", system-ui, sans-serif;
*/

:root {
  /* Font stacks */
  --font-heading: "Syne", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Base sizing */
  --text-base: 1rem;          /* 16px default */
  --leading: 1.65;
  --measure: 68ch;            /* readable line length */

  /* Weight defaults */
  --weight-body: 400;
  --weight-strong: 500;
  --weight-heading: 600;

  /* Letter spacing */
  --tracking-body: 0.0em;
  --tracking-heading: -0.015em;

  /* Scale (clamp for responsive sizing) */
  --text-xs: clamp(0.78rem, 0.76rem + 0.10vw, 0.84rem);
  --text-sm: clamp(0.90rem, 0.88rem + 0.12vw, 0.98rem);
  --text-md: clamp(1.00rem, 0.96rem + 0.20vw, 1.10rem); /* base */
  --text-lg: clamp(1.12rem, 1.04rem + 0.35vw, 1.30rem);
  --text-xl: clamp(1.28rem, 1.12rem + 0.60vw, 1.55rem);

  --h4: clamp(1.25rem, 1.12rem + 0.55vw, 1.50rem);
  --h3: clamp(1.45rem, 1.22rem + 0.90vw, 1.90rem);
  --h2: clamp(1.75rem, 1.35rem + 1.50vw, 2.40rem);
  --h1: clamp(2.10rem, 1.55rem + 2.20vw, 3.10rem);

  /* Vertical rhythm */
  --space-1: 0.35em;
  --space-2: 0.65em;
  --space-3: 1.00em;
  --space-4: 1.50em;
  --space-5: 2.00em;
}


/* Headings */
 h1,
 h2,
 h3{
  font-family: var(--font-heading);
 }

 h4,
 h5,
 h6
{
  font-family: var(--font-body);
}

 h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-weight: var(--weight-heading);
  line-height: 1.15;
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-2);
  text-wrap: balance;
}

 h1 { font-size: var(--h1); }
 h2 { font-size: var(--h2); }
 h3 { font-size: var(--h3); }
 h4 { font-size: var(--h4); }

 h5 {
  font-size: var(--text-xl);
  line-height: 1.2;
}

 h6 {
  font-size: var(--text-lg);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 650;
}

/* Lead / intro paragraph helper */
 .lead,
 p.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
}

/* Paragraphs & spacing */
 p {
  margin: 0 0 var(--space-4);
}

/* Links */
 a {
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}
 a:hover {
  text-decoration-thickness: 0.12em;
}

/* Strong / emphasis */
 strong,
 b {
  font-weight: var(--weight-strong);
}

 em,
 i {
  font-style: italic;
}

/* Lists */
 ul,
 ol {
  margin: 0 0 var(--space-3);
  padding-left: 1.25em;
}

 li {
  margin: 0 0 var(--space-1);
}

 li > ul,
 li > ol {
  margin-top: var(--space-1);
  margin-bottom: 0;
}

/* Blockquotes */
 blockquote {
  margin: var(--space-4) 0;
  padding: 0.25em 0 0.25em 1em;
  border-left: 0.25em solid currentColor;
  opacity: 0.95;
}
 blockquote p {
  margin-bottom: var(--space-2);
}
 blockquote p:last-child {
  margin-bottom: 0;
}

/* Horizontal rule */
 hr {
  border: 0;
  border-top: 1px solid currentColor;
  opacity: 0.15;
  margin: var(--space-5) 0;
}

/* Tables */
 table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: var(--text-sm);
}
 th,
 td {
  text-align: left;
  padding: 0.65em 0.75em;
  border-bottom: 1px solid rgba(0,0,0,0.12);
}
 thead th {
  font-weight: var(--weight-strong);
}

/* Code */
 code,
 kbd,
 samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

 :not(pre) > code {
  padding: 0.12em 0.32em;
  border-radius: 0.35em;
  background: rgba(0,0,0,0.06);
}

 pre {
  margin: var(--space-4) 0;
  padding: 1em 1.1em;
  border-radius: 0.75em;
  background: rgba(0,0,0,0.06);
  overflow-x: auto;
  line-height: 1.55;
  font-size: var(--text-sm);
}

 pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

/* Small text */
 small {
  font-size: var(--text-sm);
}

/* Captions / meta */
 .meta {
  font-size: var(--text-sm);
  opacity: 0.8;
}

/* Better heading spacing when a heading follows another heading */
 h1 + h2,
 h2 + h3,
 h3 + h4,
 h4 + h5,
 h5 + h6 {
  margin-top: var(--space-2);
}

/* If a paragraph follows a heading, tighten slightly */
 h1 + p,
 h2 + p,
 h3 + p,
 h4 + p,
 h5 + p,
 h6 + p {
  margin-top: 0;
}

/* Optional: make long words/URLs behave */
 {
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

/* Optional: nicer selection (inherits color) */
::selection {
  background: rgba(0,0,0,0.12);
}

/* Optional: reduce motion preferences */
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}