/* Pages: rules used on a single page or page type. */

/* ---- Home page lead block. The QR sits in the row's own left column,
 * beside the centered text, so it can be sized larger. ---- */
.home-lead-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 1060px;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}

.home-lead__qr-block {
  flex-shrink: 0;
  margin-top: 1.8rem;
  text-align: center;
}

@media (max-width: 760px) {
  .home-lead-row {
    flex-direction: column;
  }

  .home-lead__qr-block {
    margin-top: 0;
  }
}

.home-lead__qr {
  width: 140px;
  height: 140px;
  padding: 5px;
  background: #ffffff;
  border: var(--rule);
  border-radius: var(--radius);
}

.home-lead__qr-caption {
  margin: 0.4rem 0 0;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--primary);
}

.home-lead {
  max-width: 850px;
}

.home-lead__eyebrow {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin: 0 0 0.9rem;
  padding-bottom: 0.9rem;
  border-bottom: var(--rule);
}

.home-lead__eyebrow a {
  color: var(--text-muted);
  text-decoration: underline;
}

.home-lead__kicker {
  margin-bottom: 0.4rem;
}

.home-lead__title {
  font-weight: 900;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.home-lead__subtitle {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: var(--fs-md);
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

.home-lead__body {
  font-style: italic;
  font-weight: 600;
  color: var(--text-muted);
  font-size: var(--fs-xl);
  line-height: 1.4;
}

.home-lead__body strong {
  color: var(--primary);
}

.home-lead__byline {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin: 1rem 0 0;
}

.home-lead__photo {
  margin: 2rem 0 0;
}

.home-lead__photo img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.home-lead__photo figcaption {
  font-style: italic;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: 0.5rem;
  padding: 0 1.5rem;
}

/* ---- Learn page cards ---- */
.learn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 760px) {
  .learn-grid {
    grid-template-columns: 1fr;
  }
}

.learn-card {
  overflow: hidden;
}

.learn-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: var(--rule);
  font-weight: 700;
  padding: 0.7rem 1rem;
}

.learn-card-icon {
  display: inline-flex;
  color: var(--primary);
  flex-shrink: 0;
}

.learn-card-icon svg {
  width: 20px;
  height: 20px;
}

.learn-card-body {
  padding: 1rem;
}

.learn-card-intro {
  margin: 0 0 0.75rem;
}

.learn-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.learn-link-item {
  font-size: var(--fs-sm);
  line-height: 1.4;
}

.learn-link {
  font-weight: 600;
  text-decoration: none;
}

.learn-link:hover {
  text-decoration: underline;
}

.learn-link-desc {
  color: var(--text-muted);
}

/* ---- Meetings page ---- */
.calendar-section-title__note {
  margin-left: 0.5rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
}

.calendar-section-title__feeds {
  display: inline-flex;
  margin-left: 0.75rem;
}

.calendar-empty {
  color: var(--text-muted);
}

.calendar-tba {
  margin: 0 0 0.9rem;
  font-size: var(--fs-md);
}

.calendar-tba__date {
  color: var(--primary);
  font-weight: 700;
}

.calendar-tba__date:not(:last-child)::after {
  content: " \00b7";
  color: var(--text-muted);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
}

@media (max-width: 980px) {
  .calendar-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .calendar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }
}

/* ---- Members and Projects listing pages ---- */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
}

.members-hashtag-note {
  margin-top: 2rem;
}

.projects-two-col {
  columns: 2;
  column-gap: 2rem;
}

@media (max-width: 760px) {
  .projects-two-col {
    columns: 1;
  }
}

/* ---- News and project detail: two-column "technical brief" layout ---- */
.detail-brief-header {
  padding-bottom: 1.5rem;
  border-bottom: var(--rule-strong);
}

.detail-brief-header__kicker {
  margin-bottom: 0.4rem;
}

/* Title on news, project and member detail pages */
.detail-title {
  font-weight: 900;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.1;
  margin: 0 0 0.75rem;
}

.detail-brief-header__row {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.detail-brief-header__img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border: var(--rule);
  flex-shrink: 0;
}

.detail-brief-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.detail-brief-header__excerpt {
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

.detail-brief-header__slides {
  margin-top: 0.75rem;
}

.detail-brief-layout {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: start;
}

.detail-brief-layout--no-sidebar {
  grid-template-columns: 1fr;
  max-width: 640px;
}

.detail-brief-body {
  line-height: 1.7;
  min-width: 0;
}

.detail-brief-body p,
.detail-brief-body li,
.detail-brief-body blockquote {
  color: var(--text-muted);
}

.detail-brief-body h3 {
  font-size: var(--fs-lg);
  margin: 2rem 0 0.6rem;
}

.detail-brief-body h3:first-child {
  margin-top: 0;
}

.detail-brief-body h4 {
  font-size: var(--fs-base);
  color: var(--primary);
  margin: 1.5rem 0 0.4rem;
}

.detail-brief-body ul {
  padding-left: 1.2rem;
}

.detail-brief-body li {
  margin-bottom: 0.3rem;
}

.detail-brief-body img,
.member-detail .content img {
  object-fit: contain;
}

.detail-brief-sidebar {
  position: sticky;
  top: var(--nav-offset);
  border-left: var(--rule);
  padding-left: 1.25rem;
}

.detail-brief-sidebar__label {
  margin-bottom: 0.6rem;
}

.detail-brief-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-sm);
}

.detail-brief-toc li {
  margin-bottom: 0.5rem;
}

.detail-brief-toc a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.detail-brief-toc a:hover {
  border-bottom-color: var(--primary);
}

@media (max-width: 760px) {
  .detail-brief-layout {
    grid-template-columns: 1fr;
  }

  .detail-brief-sidebar {
    position: static;
    border-left: none;
    border-top: var(--rule);
    padding-left: 0;
    padding-top: 1.25rem;
  }

  .detail-brief-header__row {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  /* !important overrides the inline float and margin styles in content files */
  .detail-brief-body img,
  .member-detail .content img {
    display: block;
    float: none !important;
    margin: 1rem auto !important;
  }
}

/* ---- Project detail page ---- */
.project-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: var(--rule);
}

.project-detail__meta p {
  margin: 0;
}

.project-detail__members {
  margin-bottom: 1.5rem;
}

/* ---- Member detail page ---- */
.member-detail-header {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.member-detail-header__photo {
  flex-shrink: 0;
  text-align: center;
}

.member-detail-img,
.member-detail-thumb {
  width: 240px;
  height: 240px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
}

.member-detail-img {
  object-fit: cover;
}

.member-detail-thumb {
  font-size: 3rem;
}

.member-detail-header__featured {
  margin-top: 0.6rem;
}

.member-detail__links {
  margin-top: 0.75rem;
}

.member-detail__links p {
  margin: 0 0 0.25rem;
}

.member-detail__projects {
  margin-top: 0.5rem;
}

/* Bio - tighter paragraph spacing */
.member-detail .content p {
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

/* ---- About page ---- */
.about-content {
  max-width: 760px;
  margin: 2rem auto 0;
}

.about-content h2 {
  margin-top: 2.5rem;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content strong {
  color: var(--primary);
}

.about-content em {
  color: var(--emphasis);
}

.about-content hr {
  border-color: var(--border);
  margin: 2rem 0;
}

/* ---- Build-A-ROSBot section ---- */
.rosbot-list {
  list-style: none;
  padding: 0;
}

.rosbot-list li {
  margin-bottom: 0.75rem;
}

.rosbot-list a {
  font-weight: 700;
}

.rosbot-list__summary {
  display: block;
}

.rosbot-pager {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.rosbot-pager__link--next {
  margin-left: auto;
  text-align: right;
}