/* css styles */

.home-intro {
  max-width: 960px;  /* matches the site reading column (grid body-width) */
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.home-intro .btn {
  margin-right: 0.5rem;
  margin-top: 0.5rem;
}

/* Home page: "at a glance" numbers */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 960px;
  margin: 0.5rem 0 2.5rem 0;
}

@media (max-width: 767.98px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
}

.stat {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-top: 3px solid var(--bs-primary, #2780e3);
  border-radius: 0.5rem;
  padding: 0.9rem 1rem;
  text-align: center;
}

.stat p { margin: 0; }

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--bs-primary, #2780e3);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--bs-secondary-color, #6c757d);
}

/* Home page: "Latest" cards */
.latest-grid { margin-bottom: 2rem; }

.latest-card {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
}

.latest-card p { margin-bottom: 0.4rem; }

.latest-kind {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-primary, #2780e3);
}

.latest-kind .bi { margin-right: 0.3rem; }

.latest-title {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.3;
}

.latest-meta {
  font-size: 0.85rem;
  color: var(--bs-secondary-color, #6c757d);
}

/* Home page: "Get in touch" */
.contact-strip { margin-bottom: 2rem; }

.contact-strip .btn {
  margin: 0.25rem 0.4rem 0.25rem 0;
}

.contact-strip .bi { margin-right: 0.3rem; }

/* Project pages: acknowledgement cards (icon on the left, name and role beside it) */
.ack-grid { margin: 1rem 0 1.5rem 0; }

.ack-card {
  position: relative;
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: 0.5rem;
  padding: 0.85rem 1rem 0.85rem 4rem;
  min-height: 4.5rem;
}

.ack-card p { margin: 0; }

.ack-icon {
  position: absolute;
  left: 1rem;
  top: 0.9rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--bs-primary, #2780e3);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.ack-name {
  display: block;
  font-weight: 600;
  line-height: 1.3;
}

.ack-role {
  display: block;
  font-size: 0.85rem;
  color: var(--bs-secondary-color, #6c757d);
}

/* Tutorials page: series banner, "about" box, numbered list, roadmap */
.series-banner {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-bottom: 1.25rem;
}

.series-about {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-left: 4px solid var(--bs-primary, #2780e3);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.series-about h4 { margin-top: 0; }
.series-about .bi { margin-right: 0.3rem; }
.series-about .btn { margin: 0 0.35rem 0.5rem 0; }

/* Numbered rows: a circled number before each tutorial, in listing order */
#listing-tutorial-series .list { counter-reset: tutorial; }

#listing-tutorial-series .quarto-post {
  counter-increment: tutorial;
  position: relative;
  padding-left: 4rem;
}

#listing-tutorial-series .quarto-post::before {
  content: counter(tutorial);
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--bs-primary, #2780e3);
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.series-upcoming { margin-bottom: 2rem; }

.upcoming-item {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 0.6rem 0;
  color: var(--bs-secondary-color, #6c757d);
}

.upcoming-item p { margin: 0; display: contents; }

.upcoming-number {
  flex: 0 0 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 2px dashed var(--bs-border-color, #adb5bd);
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Publications page */
.pub-intro {
  margin-bottom: 1.5rem;
}

.pub-card {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-left: 4px solid var(--bs-primary, #2780e3);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.pub-card p {
  margin-bottom: 0.4rem;
}

.pub-year {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bs-primary, #2780e3);
}

.pub-title {
  display: block;
  font-weight: 600;
  font-size: 1.1rem;
}

.pub-meta {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 0.85rem;
}

.pub-card .btn {
  margin-right: 0.35rem;
  margin-top: 0.25rem;
}

.article-tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.55rem;
  margin: 0 0.25rem 0.25rem 0;
  border-radius: 1rem;
  background: var(--bs-secondary-bg, #e9ecef);
  color: var(--bs-secondary-color, #495057);
}

/* About page: education timeline */
.edu-list {
  text-align: left;
  border-left: 3px solid var(--bs-primary, #2780e3);
  margin: 1rem 0 2rem 0.5rem;
  padding-left: 1.25rem;
}

.edu-item {
  position: relative;
  margin-bottom: 1.25rem;
}

/* dot on the timeline line */
.edu-item::before {
  content: "";
  position: absolute;
  left: calc(-1.25rem - 8px);
  top: 0.35rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bs-body-bg, #fff);
  border: 3px solid var(--bs-primary, #2780e3);
}

.edu-item p {
  margin-bottom: 0.15rem;
}

.edu-years {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bs-primary, #2780e3);
}

.edu-title {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
}

.edu-title .bi {
  color: var(--bs-primary, #2780e3);
  margin-right: 0.35rem;
}

.cert-list {
  text-align: left;
  margin-bottom: 2rem;
}

.cert-list li {
  margin-bottom: 0.3rem;
}

/* About page: skill cards */
.skills-grid {
  margin-top: 1rem;
  text-align: left;
}

.skill-card {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-top: 3px solid var(--bs-primary, #2780e3);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  background: var(--bs-body-bg, #fff);
}

.skill-card p {
  margin-bottom: 0.35rem;
}

.skill-title {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.skill-title .bi {
  color: var(--bs-primary, #2780e3);
  margin-right: 0.35rem;
}

.skill-detail {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 0.9rem;
}

/* "See it in: <project>" evidence line at the bottom of each skill card */
.skill-proof {
  display: block;
  margin-top: 0.5rem;
  padding-top: 0.45rem;
  border-top: 1px dashed var(--bs-border-color, #dee2e6);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Pages with body-classes: hide-description keep their description for
   search engines and link previews, but don't show it under the title. */
.hide-description #title-block-header .description,
.hide-description .quarto-title-block .description {
  display: none;
}

/* Older project pages: "Looking back" reflection, and "Work in progress" */
.callout.looking-back,
.callout.in-progress {
  border-left-color: var(--bs-primary, #2780e3) !important;
  margin-bottom: 1.75rem;
}