/* ============================================================
   Timothy Noe — academic homepage
   Hand-built, dependency-free. Edit freely.
   ============================================================ */

:root {
  --ink: #1a1a1a;
  --ink-soft: #555;
  --muted: #888;
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --line: #e6e8eb;
  --accent: #2b5c8a;
  --accent-dark: #1f4567;
  --maxw: 760px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ----------------------------- Nav ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.2px;
}
.nav__brand:hover { text-decoration: none; }
.nav__menu {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.nav__menu a { color: var(--ink-soft); font-size: 0.95rem; }
.nav__menu a:hover { color: var(--accent); text-decoration: none; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
}

/* ----------------------------- Hero ---------------------------- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}
.hero__inner {
  display: flex;
  gap: 28px;
  align-items: center;
}
.hero__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  flex: 0 0 auto;
}
.hero__name {
  font-size: 2.2rem;
  line-height: 1.1;
  margin: 0 0 6px;
}
.hero__role {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 2px;
}
.hero__affil { color: var(--ink-soft); margin: 0 0 12px; }
.hero__tagline { margin: 0 0 18px; color: var(--ink-soft); }
.hero__links { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------------------------- Buttons -------------------------- */
.btn {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 0.92rem;
  background: #fff;
}
.btn:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

/* --------------------------- Sections -------------------------- */
.section { padding: 48px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__title {
  font-size: 1.4rem;
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.subhead {
  font-size: 1.05rem;
  margin: 26px 0 10px;
  color: var(--ink);
}
.muted { color: var(--muted); font-size: 0.9rem; }
.prose p { margin: 0.6em 0; }

/* ----------------------------- Tags ---------------------------- */
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 18px; }
.tag {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* --------------------------- Cards ----------------------------- */
.print-only { display: none; }
.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
@media (min-width: 560px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card__title { font-weight: 600; margin: 0 0 4px; }
.card__desc { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.card__links { margin: 6px 0 0; font-size: 0.88rem; }

/* ------------------------- Skill rows -------------------------- */
.skillrow { display: flex; gap: 14px; align-items: baseline; padding: 6px 0; }
.skillrow__label {
  flex: 0 0 120px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.skillrow .tags { margin: 0; }

/* ------------------------- Publications ------------------------ */
.pub-list { padding-left: 1.2em; margin: 0; }
.pub { margin: 0 0 18px; }
.pub__title { font-weight: 600; margin: 0 0 2px; }
.pub__meta { margin: 0 0 2px; color: var(--ink-soft); font-size: 0.95rem; }
.pub__links { margin: 0; font-size: 0.88rem; }

/* -------------------------- Timeline --------------------------- */
.timeline, .plain { list-style: none; padding: 0; margin: 0; }
.timeline__item {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.timeline__item:last-child { border-bottom: 0; }
.timeline__date {
  flex: 0 0 110px;
  color: var(--muted);
  font-size: 0.9rem;
  padding-top: 2px;
}
.timeline__head { font-weight: 600; margin: 0; }
.timeline__sub { color: var(--ink-soft); margin: 0; font-size: 0.95rem; }
.plain li { padding: 6px 0; border-bottom: 1px solid var(--line); }
.plain li:last-child { border-bottom: 0; }

/* ---------------------------- Footer --------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  margin-top: 10px;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}
.site-footer p { margin: 0; }

/* -------------------------- Responsive ------------------------- */
@media (max-width: 620px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 14px;
    display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu li { padding: 8px 0; }
  .hero__inner { flex-direction: column; text-align: center; align-items: center; }
  .hero__links { justify-content: center; }
  .timeline__item { flex-direction: column; gap: 2px; }
  .timeline__date { flex-basis: auto; }
  .skillrow { flex-direction: column; gap: 4px; }
  .skillrow__label { flex-basis: auto; }
}