/* ==========================================================================
   hannahgrubbs.com — shared stylesheet
   Warm / distinctive academic theme
   ========================================================================== */

:root {
  /* Palette */
  --ink:        #2b2622;   /* near-black warm text        */
  --ink-soft:   #5c534b;   /* secondary text              */
  --paper:      #faf6f0;   /* warm off-white background    */
  --paper-2:    #f2ebe1;   /* slightly deeper panel        */
  --line:       #e3d9cb;   /* hairline borders             */
  --accent:     #b4531f;   /* terracotta — primary accent  */
  --accent-2:   #8a3d17;   /* darker terracotta (hover)    */
  --gold:       #c98a3c;   /* warm secondary accent        */

  /* Type */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --maxw: 900px;
}

/* ----- reset-ish ----- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

/* ----- layout ----- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ----- header / nav ----- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(250, 246, 240, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-soft);
  font-size: 0.98rem;
  font-weight: 500;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ----- headings & prose ----- */
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.015em; color: var(--ink); }
h1 { font-size: 2.6rem; margin: 0 0 0.4em; }
h2 { font-size: 1.7rem; margin: 2em 0 0.6em; }
h3 { font-size: 1.2rem; margin: 1.6em 0 0.4em; }
.lead { font-size: 1.2rem; color: var(--ink-soft); }

/* eyebrow label above a heading */
.eyebrow {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.6em;
}

/* fill-in placeholder marker */
.fill { color: var(--accent-2); background: #f3e2d3; padding: 0 4px; border-radius: 3px; }

/* ----- page section spacing ----- */
main { padding: 56px 0 40px; }
section + section { margin-top: 8px; }

/* ----- hero (home) ----- */
.hero {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 48px;
  align-items: center;
  padding: 24px 0 12px;
}
.hero .lead { margin-top: 0.6em; }
.headshot {
  width: 220px; height: 220px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--paper-2);
  border: 4px solid #fff;
  box-shadow: 0 8px 30px rgba(43, 38, 34, 0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft); font-size: 0.85rem; text-align: center;
}
@media (max-width: 680px) {
  .hero { grid-template-columns: 1fr; gap: 24px; text-align: left; }
  .headshot { order: -1; }
  h1 { font-size: 2.1rem; }
}

/* ----- buttons ----- */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.98rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); color: #fff; text-decoration: none; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ----- cards grid (home sections) ----- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 28px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(43,38,34,0.08); }
.card h3 { margin-top: 0; }
.card p { color: var(--ink-soft); font-size: 0.98rem; margin: 0.4em 0 0; }
.card a.more { font-weight: 600; font-size: 0.95rem; }

/* ----- CV timeline ----- */
.cv-entry {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.cv-entry .when { color: var(--ink-soft); font-size: 0.95rem; font-weight: 600; }
.cv-entry h3 { margin: 0 0 0.2em; }
.cv-entry p { margin: 0.2em 0; color: var(--ink-soft); }
@media (max-width: 620px) { .cv-entry { grid-template-columns: 1fr; gap: 4px; } }

/* ----- publications ----- */
.pub-year { font-family: var(--serif); font-size: 1.3rem; color: var(--accent); margin: 1.8em 0 0.4em; border-bottom: 2px solid var(--line); padding-bottom: 6px; }
.pub {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.pub .authors { color: var(--ink); }
.pub .title { font-weight: 600; }
.pub .venue { color: var(--ink-soft); font-style: italic; }
.pub .tags { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.pub .tag {
  font-size: 0.8rem; font-weight: 600;
  background: var(--paper-2); color: var(--accent-2);
  padding: 3px 10px; border-radius: 20px;
}

/* ----- research blocks ----- */
.research-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.research-item:last-child { border-bottom: none; }

/* ----- footer ----- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  margin-top: 48px;
  padding: 32px 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.social a { color: var(--ink-soft); margin-left: 16px; }
.social a:hover { color: var(--accent); }

/* utility */
.muted { color: var(--ink-soft); }
.center { text-align: center; }
hr.rule { border: none; border-top: 1px solid var(--line); margin: 32px 0; }