/* ==========================================================================
   modern.css: modernization layer, loaded after main.css
   Keeps the original structure and maroon accent; adds design tokens,
   fluid typography, real responsiveness, dark mode, and focus styles.
   ========================================================================== */

:root {
  --accent: #ad586f;
  --accent-strong: #6c0c39;
  --accent-soft: rgba(173, 88, 111, 0.12);

  --bg: #fdfdfd;
  --bg-raised: #ffffff;
  --bg-subtle: #f5f5f7;
  --text: #14161a;
  --text-muted: #5c6270;
  --border: #e4e4e8;
  --border-strong: #c9c9d1;

  --rule: 5px;
  --radius: 10px;
  --measure: 72ch;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

/* --------------------------------------------------------------------------
   Dark mode
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #e5899f;
    --accent-strong: #f4b3c2;
    --accent-soft: rgba(229, 137, 159, 0.16);

    --bg: #121316;
    --bg-raised: #1a1c20;
    --bg-subtle: #1f2126;
    --text: #e9eaee;
    --text-muted: #a3a8b4;
    --border: #2c2f36;
    --border-strong: #3d414a;
  }
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: clamp(16px, 0.55rem + 0.5vw, 17.5px);
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  font-weight: 400;
  text-rendering: optimizeLegibility;
}

p { max-width: var(--measure); }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}
a:visited { color: var(--accent); }
a:hover,
a:focus-visible {
  color: var(--accent-strong);
  text-decoration: underline;
}

/* Visible keyboard focus everywhere (main.css had none) */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

::selection {
  background: var(--accent-soft);
  color: var(--text);
}

img { height: auto; }

/* Skip link for keyboard and screen-reader users */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.6em 1em;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
  color: #fff;
}

/* --------------------------------------------------------------------------
   Header / nav
   -------------------------------------------------------------------------- */
.site-header {
  border-top: var(--rule) solid var(--accent);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

/* The site title used to be an empty anchor; now it carries the name. */
.site-title,
.site-title:visited {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 54px;
}
.site-title:hover,
.site-title:focus-visible {
  color: var(--accent-strong);
  text-decoration: none;
}

@media screen and (max-width: 600px) {
  .site-title { font-size: 0.95rem; }
}

.site-nav .page-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.site-nav .page-link:hover,
.site-nav .page-link:focus-visible {
  color: var(--accent-strong);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

@media screen and (max-width: 600px) {
  .site-nav {
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
  }
  .site-nav .menu-icon > svg { fill: var(--text-muted); }
}

/* --------------------------------------------------------------------------
   Section headings: consistent accent bar, replaces per-heading inline widths
   -------------------------------------------------------------------------- */
.wrapper .home h2.section-heading {
  position: relative;
  width: auto;
  max-width: none;
  padding-top: 2.5rem;
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: none;
  font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.35rem);
  font-weight: 650;
  letter-spacing: -0.01em;
  scroll-margin-top: 1.5rem;
}
.wrapper .home h2.section-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44px;
  height: var(--rule);
  background: var(--accent);
  border-radius: 999px;
}

/* --------------------------------------------------------------------------
   Intro
   -------------------------------------------------------------------------- */
.intro {
  margin-left: 5rem;
  margin-right: 5rem;
  gap: 0;
  font-weight: 400;
  align-items: flex-start;
}
.intro p { color: var(--text); }

.intro-image img {
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* The name is the page's h1 (for search engines), styled to look unchanged. */
.intro-name {
  padding-top: 1em;
  margin-bottom: 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
div.intro-title { color: var(--text-muted); font-size: 0.92rem; }

img.social-thumbnail {
  height: 2.5em;
  border-radius: 8px;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
img.social-thumbnail:hover {
  background-color: var(--accent-soft);
  transform: translateY(-1px);
}

.notice {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   Body / publications
   -------------------------------------------------------------------------- */
div.body { margin-left: 5rem; margin-right: 5rem; }

div.publication {
  padding-top: 1.5em;
  padding-bottom: 0.5em;
  border-top: 1px solid var(--border);
}
#publications + .publication,
#workshop + .publication { border-top: none; }

span.publication-title {
  font-weight: 650;
  letter-spacing: -0.01em;
}
span.authors { color: var(--text-muted); font-size: 0.95rem; }
span.venue,
span.year {
  color: var(--text-muted) !important; /* beats inline style="color:#666" */
  font-size: 0.92rem;
}

div.publication-description > a {
  font-size: 0.9rem;
  white-space: nowrap;
}

p.publication-abstract {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  font-weight: 400;
  max-width: var(--measure);
  padding-left: 0.9em;
  border-left: 2px solid var(--border);
}

details > summary {
  cursor: pointer;
  display: inline-block;
  margin-top: 0.35em;
  color: var(--accent);
  font-size: 0.9rem;
  list-style: none;
}
details > summary::-webkit-details-marker { display: none; }
details > summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 0.15s ease;
}
details[open] > summary::before { content: "▾ "; }
details > summary:hover { color: var(--accent-strong); }

/* --------------------------------------------------------------------------
   Highlight + project cards: responsive grid instead of fixed percentages
   -------------------------------------------------------------------------- */
div.highlights,
div.projects {
  display: grid;
  gap: 0.75rem;
  justify-content: initial;
}
div.highlights { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
div.projects { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

div.highlight,
div.project {
  width: auto;
  margin: 0 !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  transition: border-color 0.15s ease, transform 0.15s ease,
    box-shadow 0.15s ease;
}
div.highlight:hover,
div.project:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}

.highlight-title { font-weight: 600; }
.highlight-description {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.88rem;
}
.project-title { font-weight: 500; }

/* --------------------------------------------------------------------------
   Experience / service blocks
   -------------------------------------------------------------------------- */
div .experience { padding-top: 0.35em; padding-bottom: 0.85em; }
div .experience p { max-width: var(--measure); }
div .experience strong { font-weight: 650; }

/* --------------------------------------------------------------------------
   Code, quotes, tables
   -------------------------------------------------------------------------- */
pre, code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  border-color: var(--border);
  background-color: var(--bg-subtle);
  border-radius: 6px;
}
pre {
  padding: 0.9em 1.1em;
  line-height: 1.5;
  max-width: 100%;
}
pre > code { background: none; }

blockquote {
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  padding: 0.2em 0 0.2em 1em;
  font-size: 1rem;
  letter-spacing: normal;
  max-width: var(--measure);
}

table {
  color: var(--text);
  border-color: var(--border);
  font-size: 0.94rem;
  display: block;
  overflow-x: auto;
}
table tr:nth-child(even) { background-color: var(--bg-subtle); }
table th {
  background-color: var(--bg-subtle);
  border-color: var(--border);
  border-bottom-color: var(--border-strong);
}
table td { border-color: var(--border); }

.highlight, .highlighter-rouge .highlight { background: var(--bg-subtle); }

/* --------------------------------------------------------------------------
   Blog post content
   -------------------------------------------------------------------------- */
.post-content {
  max-width: 68ch;
  margin: 0 auto;
}
.post-content h1.title,
.wrapper .home h1.title {
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
/* Posts put their date in a <small> inside the h1. Give it its own line so long
   titles stop wrapping in the middle of the date. */
.wrapper .home h1.title small {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.92rem;
  font-weight: 400 !important;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--text-muted);
}

.post-content h2 {
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.3rem) !important;
  font-weight: 650;
  margin-top: 2.25rem;
  letter-spacing: -0.01em;
}
.post-content h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin-top: 1.5rem;
  color: var(--text);
}
.post-content p,
.post-content li { font-weight: 400 !important; }
.post-content img { border-radius: 8px; }

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */
.footer-mini {
  margin: 4rem 5rem 0;
  padding: 1.25rem 0 0.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: space-between;
  align-items: baseline;
}
.footer-mini p { margin-bottom: 0; max-width: none; }
.footer-mini .view-count[hidden] { display: none; }
.footer-mini .view-count {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Responsive: the original fixed 5rem gutters and % card widths broke here
   -------------------------------------------------------------------------- */
@media screen and (max-width: 900px) {
  header { margin-left: 1.5rem; margin-right: 1.5rem; }
  .intro { margin-left: 1.5rem; margin-right: 1.5rem; }
  div.body { margin-left: 1.5rem; margin-right: 1.5rem; }
  .footer-mini { margin-left: 1.5rem; margin-right: 1.5rem; }
}

@media screen and (max-width: 700px) {
  .intro {
    display: block; /* stack photo above text instead of a cramped 2-col flex */
  }
  .intro-image {
    float: none;
    margin: 0 auto 1.5rem;
    width: 180px;
  }
  div.publication { display: block; }
  div.publication-thumbnail {
    padding-right: 0;
    padding-bottom: 0.75em;
    text-align: left;
  }
  div .experience { display: block; }
  div .when {
    text-align: left;
    padding-right: 0;
    font-weight: 600;
  }
}

@media screen and (max-width: 480px) {
  header { margin-left: 0.75rem; margin-right: 0.75rem; }
  .intro { margin-left: 0.75rem; margin-right: 0.75rem; }
  div.body { margin-left: 0.75rem; margin-right: 0.75rem; }
  .footer-mini { margin-left: 0.75rem; margin-right: 0.75rem; }
  div.projects { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
}

/* --------------------------------------------------------------------------
   Motion + print
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-nav, .skip-link, .footer-mini { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .intro, div.body { margin-left: 0; margin-right: 0; }
}