/* Nicholas Hadler — minimal academic CV */

:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --ink: #1a1a1a;
  --ink-2: #333;
  --muted: #777;
  --line: #e5e3df;
  --accent: #2d6a4f;       /* forest green */
  --accent-2: #40916c;     /* forest green light */

  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --sans: "Source Sans 3", "Source Sans Pro", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --max-w: 760px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 17px;
  line-height: 1.6;
  background-color: #ffffff;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.5  0 0 0 0 0.4  0 0 0 0 0.3  0 0 0 0.018 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 260px 260px;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 30%, transparent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.15s, text-decoration-color 0.15s;
}
a:hover { color: var(--accent); text-decoration-color: var(--accent); }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }
em, i { font-style: italic; }
strong { font-weight: 600; }

.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ── Layout ───────────────────────────────────────────────────────────── */
.app {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter) 80px;
}

/* ── Top nav ──────────────────────────────────────────────────────────── */
.topnav {
  display: flex;
  gap: 26px;
  padding: 32px 0 28px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  flex-wrap: wrap;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
  font-family: var(--sans);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--ink); }
.nav-link.is-active { color: var(--ink); border-bottom-color: var(--accent-2); }

/* ── Sections ─────────────────────────────────────────────────────────── */
.section {
  padding: 48px 0;
  scroll-margin-top: 24px;
}
.section + .section {
  border-top: 1px solid var(--line);
}

h1, h2, h3 { font-weight: 400; margin: 0; }

.section-title {
  font-family: var(--serif);
  font-size: 40px;
  letter-spacing: -0.015em;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.1;
}

/* ── Home ─────────────────────────────────────────────────────────────── */
.hero-portrait {
  float: right;
  width: 160px;
  margin: 4px 0 16px 24px;
}
.hero-portrait img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
@media (max-width: 520px) {
  .hero-portrait { float: none; margin: 0 0 20px; width: 140px; }
  .hero-portrait img { height: 176px; }
}

.hero-name {
  font-size: 72px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 28px;
  font-weight: 400;
}

.hero-body p {
  margin: 0 0 18px;
  color: var(--ink-2);
  line-height: 1.65;
  font-size: 17px;
}
.hero-body p:first-child { color: var(--ink); }

.more-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
}
.more-link:hover { color: var(--accent); }

.social-links {
  clear: both;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  justify-content: center;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-2);
  text-decoration: none;
  transition: all 0.15s;
}
.social-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.social-link svg { flex-shrink: 0; }

/* ── About ────────────────────────────────────────────────────────────── */
.about-body p {
  margin: 0 0 18px;
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.65;
}
.about-body p:first-child { color: var(--ink); }

.contact-list {
  margin-top: 28px;
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
}
.contact-list .k {
  display: inline-block;
  width: 78px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 14px;
}

/* ── Publications ─────────────────────────────────────────────────────── */
.subsection-title {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin: 44px 0 18px;
  letter-spacing: 0;
  text-transform: none;
}
.subsection-title:first-child { margin-top: 0; }

.pub-list, .proj-list, .conf-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pub-item, .proj-item, .conf-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
}
.pub-item:last-child, .proj-item:last-child, .conf-item:last-child {
  border-bottom: none;
}

.pub-item .me, .conf-item .me { color: var(--accent); font-weight: 600; }
.pub-title { color: var(--ink); font-weight: 500; text-decoration: none; }
.pub-title:hover { color: var(--accent); }

.pub-toc {
  margin: 16px 0 4px;
  text-align: center;
}
.pub-toc img {
  max-width: 500px;
  width: 100%;
  height: auto;
  display: inline-block;
}

.pub-venue {
  font-style: italic;
  color: var(--ink-2);
}
.pub-year { color: var(--muted); }
.pub-note { color: var(--muted); font-size: 15px; font-style: italic; }

.proj-item strong { color: var(--ink); font-weight: 600; }
.proj-item strong a { color: var(--ink); text-decoration-color: var(--line); }
.proj-item strong a:hover { color: var(--accent); }

.conf-item .conf-kind {
  font-family: var(--sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-right: 8px;
}

/* Intro copy for sections */
.section-intro {
  color: var(--ink-2);
  font-size: 17px;
  margin: 0 0 28px;
  line-height: 1.65;
}
.section-intro:last-child { margin-bottom: 0; }

/* ── Footer ───────────────────────────────────────────────────────────── */
.footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer a { color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; }
.footer a:hover { color: var(--accent); }
.footer-icons { display: inline-flex; gap: 16px; align-items: center; }
.footer-icons a { padding: 4px; }

@media (max-width: 640px) {
  .hero-name { font-size: 32px; }
  .topnav { gap: 16px; }
  .contact-list .k { width: 64px; }
}