/* ---- Collapse gap between intro sentence and its list ---- */
p + ul,
h3 + ul,
h4 + ul {
  margin-top: 0;
}
p:has(+ ul),
h3:has(+ ul),
h4:has(+ ul) {
  margin-bottom: 0;
}

/* ---- Stat chips ---- */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75em;
  margin: 0 0 1.5em 0;
}
.stat {
  background: #f0fbf7;
  border: 1px solid #4acaa8;
  border-radius: 2em;
  padding: 0.35em 1em;
  font-size: 0.85em;
  color: #555;
}
.stat strong {
  color: #4acaa8;
}
.stat--book {
  background: #4acaa8;
  color: #fff;
  border-color: #4acaa8;
  text-decoration: none;
}
.stat--book strong {
  color: #fff;
}
.stat--book:hover {
  background: #3ab899;
  border-color: #3ab899;
  color: #fff;
}

/* ---- Education timeline ---- */
ul.timeline {
  list-style: none;
  padding-left: 1.5em;
  border-left: 3px solid #4acaa8;
  margin-left: 0.5em;
}
ul.timeline li {
  position: relative;
  padding: 0 0 1.25em 1.25em;
}
ul.timeline li::before {
  content: '';
  position: absolute;
  left: -0.6em;
  top: 0.45em;
  width: 0.75em;
  height: 0.75em;
  background: #4acaa8;
  border-radius: 50%;
}
ul.timeline li:last-child {
  padding-bottom: 0;
}

/* ---- Section heading left accent ---- */
#main h3 {
  padding-left: 0.6em;
  border-left: 4px solid #4acaa8;
  margin-bottom: 0.75em;
}

/* ---- Research card hover lift ---- */
.features article {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border-radius: 4px;
  padding: 1.5em 1em;
}
.features article:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(74, 202, 168, 0.15);
}

/* ---- Avatar ring ---- */
#header .image.avatar img {
  border: 3px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

/* ---- Alternating section backgrounds ---- */
#education,
#contact {
  background: #fafafa;
}

/* ---- Banner hero height + gradient overlay ---- */
.image.main {
  position: relative;
  height: 26em;
}
.image.main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.25));
  pointer-events: none;
}
@media (max-width: 736px) {
  .image.main { height: 14em; }
}

/* ---- Links always underlined, teal on hover ---- */
#main a:not(.button):not([class*="icon"]) {
  text-decoration: none;
  border-bottom: 1px solid rgba(136, 136, 136, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}
#main a:not(.button):not([class*="icon"]):hover {
  border-bottom-color: #4acaa8;
  color: #4acaa8;
}