/* rm */
@import url("https://cdn.jsdelivr.net/gh/vsalvino/computer-modern@main/fonts/serif.css");
/* sf */
@import url("https://cdn.jsdelivr.net/gh/vsalvino/computer-modern@main/fonts/sans.css");
@import url("https://cdn.jsdelivr.net/gh/vsalvino/computer-modern@main/fonts/bright.css");
/* tt */
@import url("https://cdn.jsdelivr.net/gh/vsalvino/computer-modern@main/fonts/typewriter.css");

:root {
  /* light mode */
  --ink:        #1c1917;
  --ink-light:  #57534e;
  --ink-faint:  #a8a29e;
  --paper:      #fefbf6;
  --paper-dim:  #f5f0e8;
  --accent:     #7c2d12;
  --accent-hover:#991b1b;
  --rule:       #d6d3ce;
  --mono-bg:    #f0ece4;


  --font-display: 'Computer Modern Serif', serif;
  --font-sans:    'Computer Modern Bright', 'Helvetica Neue', sans-serif;
  --font-body:    'Computer Modern Serif', 'Georgia', serif;
  --font-mono:    'Computer Modern Typewriter', 'Menlo', monospace;

  --measure:    62ch;         /* comfortable reading width */
  --gutter:     clamp(1.5rem, 5vw, 4rem);
  --leading:    1.65;
}

/* dark mode */
  [data-theme="dark"] {
  --ink:        #fefbf6;
  --ink-light:  #f5f0e8;
  --ink-faint:  #a8a29e;
  --paper:      #202024;
  --paper-dim:  #323338;
  --accent:     #82B9E7;
  --accent-hover:#EABA42;
  --rule:       #393A3F;
  --mono-bg:    #f0ece4;
}

/* show/hide the appropriate icon */
.theme-icon-dark  { display: none; }
[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark  { display: inline; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: var(--leading);
  color: var(--ink);
  background: var(--paper);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color 0.15s ease;
}
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }



.site-header,
.site-footer,
.page-content { padding-inline: var(--gutter); }

.page-content {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: 3rem 5rem;
}


/* header/masthead */
.site-header {
  border-bottom: 2px solid var(--ink);
  padding-block: 1.6rem 1rem;
}

.header-inner {
  max-width: 72rem;
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem 2rem;
}

.masthead {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}
.masthead:hover { color: var(--accent); }

/* TeX-style lowered E */
.masthead .tex-e {
  /* font-size: 0.82em; */
  position: relative;
  top: 0.22em;
  margin-left: -0.06em;
  margin-right: -0.04em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.8rem;
}

nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.025em;
  color: var(--ink-light);
  text-decoration: none;
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.25s ease;
}
nav a:hover,
nav a[aria-current="page"] { color: var(--ink); }
nav a:hover::after,
nav a[aria-current="page"]::after { width: 100%; }


/* === other shit === */
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 0.4em;
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1.25;
  margin-top: 2.5rem;
  margin-bottom: 0.6rem;
  color: var(--ink);
}

h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-top: 1.8rem;
  margin-bottom: 0.4rem;
}

p { margin-bottom: 1rem; }

.subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink-light);
  margin-top: -0.2rem;
  margin-bottom: 2rem;
}

.lead {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--ink-light);
  line-height: 1.75;
  margin-bottom: 1.6rem;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin-block: 2.2rem;
}

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--mono-bg);
  padding: 0.12em 0.35em;
  border-radius: 3px;
}

/* inline TeX logo anywhere in body text */
.tex-logo .tex-e {
  /* font-size: 0.82em; */
  position: relative;
  top: 0.28em;
  margin-left: -0.12em;
  margin-right: -0.05em;
}


/* project repo gridding */
.repo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: 1.6rem;
}

.repo-card {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.4rem 1.6rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.repo-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.repo-card h3 {
  margin: 0;
  font-size: 1.2rem;
}
.repo-card h3 a {
  text-decoration: none;
}

.repo-card .repo-desc {
  font-size: 0.95rem;
  color: var(--ink-light);
  flex: 1;
}

.repo-card .repo-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 0.4rem;
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* Project */
/* class variant of a that just uses Computer Modern Typewriter */
a.mono-link {
  font-family: var(--font-mono);
  font-size: 1.33rem;
  color: var(--accent);
  text-decoration: none;
}
a.mono-link:hover { color: var(--accent-hover); }

/* Member List */
.members-list {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1.4rem;
}

.member-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: border-color 0.2s ease;
}
.member-card:hover { border-color: var(--accent); }

.member-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--paper-dim);
  flex-shrink: 0;
}

.member-info h3 {
  margin: 0;
  font-size: 1.05rem;
}

.member-info .handle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-faint);
}

.member-info .role {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--ink-light);
  font-style: italic;
}


/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 1.6rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.site-footer a { color: var(--ink-light); }


/* dynamic */
@media (max-width: 600px) {
  html { font-size: 16px; }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  nav ul { gap: 1.2rem; }

  .members-list {
    grid-template-columns: 1fr;
  }
}