/* pages.css: owned by the pages work package (site-page layout, about tabs, research cards, beyond-research, writing, playground). Keep rules scoped to its own classes; use tokens from tokens.css. */

/* ---------- shell ---------- */
.sp {
  position: relative;
  isolation: isolate;
  padding-bottom: 72px;
}
.sp__grid {
  position: absolute;
  z-index: -1;
  top: -110px;
  height: 380px;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  pointer-events: none;
}
.sp .eyebrow {
  color: var(--muted);
}
.sp-head {
  padding: 36px 0 8px;
  max-width: 880px;
}
.sp-head__title {
  margin: 0.35em 0 0.2em;
}
.sp-head__sub {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: var(--measure);
  margin: 0 0 1rem;
}
.sp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}
.sp-status {
  margin: 12px 0 0;
}
.sp-hero {
  margin: 28px 0 36px;
  overflow: hidden;
  padding: 0;
}
.sp-hero img {
  display: block;
  width: 100%;
  height: auto;
}
.sp-body {
  margin-top: 28px;
}
.sp-slot {
  margin: 0 0 32px;
}
.sp-slot > p {
  max-width: none;
}

/* ---------- prose column ---------- */
.sp-prose {
  max-width: var(--measure);
  font-size: 1.0625rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}
.sp-prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.sp-prose pre {
  max-width: 100%;
}
.sp-prose a {
  overflow-wrap: anywhere;
}
.sp-prose hr {
  margin: 1.6em 0;
}
.sp-prose--long {
  max-width: 78ch;
}
.sp-prose--long p,
.sp-prose--long li {
  max-width: none;
}
.sp-prose > *:first-child {
  margin-top: 0;
}
.sp-prose h2 {
  margin-top: 2.2em;
}
.sp-prose p,
.sp-prose li {
  max-width: var(--measure);
}
.sp-prose--intro {
  margin-bottom: 32px;
}
.sp-prose img {
  height: auto;
  border-radius: 10px;
}
.sp-prose blockquote {
  border-left: 3px solid var(--teal);
  margin: 1.4em 0;
  padding: 0.2em 1.1em;
  color: var(--muted);
  font-family: var(--font-prose);
  font-size: 1.1em;
}

/* ---------- empty state ---------- */
.sp-empty {
  max-width: 640px;
  padding: 28px 30px;
  margin: 12px 0 32px;
  border-style: dashed;
}
.sp-empty__t {
  margin: 0.5em 0 0.4em;
  font-size: 1.5rem;
}
.sp-empty__p {
  color: var(--muted);
  margin: 0.5em 0 0;
}
.sp-empty code {
  overflow-wrap: anywhere;
}
.sp-empty__path {
  display: inline-block;
  color: var(--text);
  background: var(--field);
}

/* ---------- topic filter (research) ---------- */
.sp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}
.sp-filter .chip {
  cursor: pointer;
  font-size: 12.5px;
  padding: 8px 16px;
  min-height: 44px;
}
.sp-filter .chip:hover {
  border-color: var(--teal);
  color: var(--text);
}
.sp-filter .chip.is-on {
  color: var(--on-accent);
  background: var(--teal);
  border-color: var(--teal);
}
[hidden] {
  display: none !important;
}

/* ---------- case-study / post cards ---------- */
.sp-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
  align-items: start;
  margin: 8px 0 40px;
}
.sp-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-bottom: 6px;
}
.sp-card__fig {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  background: var(--viewport);
  border-bottom: 1px solid var(--border);
  padding: 6px;
}
.sp-card__img {
  display: block;
  flex: 1 1 100%;
  line-height: 0;
  border-radius: 8px;
  overflow: hidden;
}
.sp-card__img img {
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: contain;
  display: block;
}
.sp-card__img--more {
  flex: 0 0 72px;
}
.sp-card__img--more img {
  height: 54px;
  object-fit: cover;
}
.sp-card__body {
  padding: 22px 24px 26px;
}
.sp-card__body h2 {
  margin: 0 0 0.5em;
  font-size: 1.35rem;
}
.sp-card__body .sp-prose {
  font-size: 1rem;
  line-height: 1.6;
}
.sp-card__body ul {
  padding-left: 1.2em;
  margin: 0.6em 0 0;
}
.sp-card__body li {
  margin: 0.3em 0;
}
.sp-card .sp-video {
  width: 100%;
  display: block;
}
.sp-cards--writing .sp-card--featured {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}
.sp-cards--writing .sp-card--featured .sp-card__fig {
  border-bottom: 0;
  border-right: 1px solid var(--border);
}
.sp-cards--writing .sp-card--featured .sp-card__body {
  padding: 34px;
}
.sp-cards--writing .sp-card--featured h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
}
.sp-cards--writing .sp-card--featured:not(:has(.sp-card__fig)) {
  grid-template-columns: 1fr;
}

/* ---------- posts (site.posts) ---------- */
.sp-posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
  margin: 8px 0 40px;
}
.sp-post {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
}
.sp-post img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border);
}
.sp-post__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 22px;
}
.sp-post__title {
  font: 700 1.15rem/1.25 var(--font-ui);
  letter-spacing: -0.015em;
}
.sp-post__desc {
  color: var(--muted);
  font-size: 0.95rem;
}
.sp-post--featured {
  grid-column: 1/-1;
  flex-direction: row;
}
.sp-post--featured img {
  width: 56%;
  aspect-ratio: auto;
  min-height: 280px;
  border-bottom: 0;
  border-right: 1px solid var(--border);
}
.sp-post--featured .sp-post__body {
  padding: 34px;
  justify-content: center;
}
.sp-post--featured .sp-post__title {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
}

/* ---------- media gallery ---------- */
.sp-group {
  margin: 0 0 44px;
}
.sp-group__h {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  margin: 1.6em 0 0.8em;
}
.sp-ico {
  color: var(--teal-text);
  flex: none;
}
.sp-media {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 26px;
  margin: 18px 0 36px;
}
.sp-media__item {
  margin: 0 0 6px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  align-self: start;
}
.sp-media__item a {
  display: block;
  line-height: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--viewport);
}
.sp-media__item img,
.sp-media__item video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  background: var(--viewport);
}
.sp-media__item figcaption {
  padding: 10px 6px 4px;
  font-size: 13.5px;
  color: var(--muted);
}
.sp-media__item a:hover img {
  filter: brightness(1.06);
}
.sp-media--beyond {
  display: block;
  columns: 3 260px;
  column-gap: 26px;
}
.sp-media--beyond .sp-media__item {
  break-inside: avoid;
  margin-bottom: 26px;
}
.sp-media--beyond .sp-media__item:nth-child(3n + 2) {
  transform: translateY(8px);
}

/* ---------- beyond-research map ---------- */
.sp-map-wrap {
  padding: 8px;
  margin: 0 0 40px;
  overflow: hidden;
}
.sp-map {
  position: relative;
  height: 420px;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: var(--viewport);
}
.sp-map__credit {
  font-size: 11.5px;
  color: var(--muted);
  margin: 8px 6px 2px;
  max-width: none;
}
.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
  background: var(--panel);
  color: var(--text);
}
.sp-map .leaflet-popup-content {
  font-family: var(--font-ui);
}
.sp-map .leaflet-container a {
  color: var(--teal-text);
}

/* ---------- playground ---------- */
.pg-plate {
  padding: 8px;
  margin: 8px 0 36px;
  overflow: hidden;
  background: var(--plate);
}
.pg-frame {
  display: block;
  width: 100%;
  min-height: 600px;
  border: 0;
  border-radius: 8px;
  background: var(--viewport);
}
.sp--playground .sp-slot {
  margin-bottom: 12px;
}
.sp--playground .sp-head {
  padding-bottom: 0;
}

/* ---------- dot section indicator ---------- */
.sp-dots {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 6px 4px;
  list-style: none;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
}
.sp-dots ul,
.sp-dots li {
  display: contents;
  list-style: none;
  margin: 0;
  padding: 0;
}
.sp-dots a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  text-decoration: none;
}
.sp-dots a::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--faint);
  transition:
    transform 0.18s ease,
    background 0.18s ease;
}
.sp-dots a:hover::before {
  background: var(--text);
}
.sp-dots a[aria-current="true"]::before {
  background: var(--teal);
  transform: scale(1.5);
}
.sp-dots a::after {
  content: attr(data-label);
  position: absolute;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  font: 500 11.5px/1 var(--font-mono);
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 9px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.sp-dots a:hover::after,
.sp-dots a:focus-visible::after {
  opacity: 1;
}
@media (max-width: 899px) {
  .sp-dots {
    display: none;
  }
}

/* ---------- lightbox ---------- */
.sp-lb {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 12, 0.9);
  padding: 56px 64px;
  touch-action: pan-y;
}
.sp-lb[hidden] {
  display: none;
}
.sp-lb__fig {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.sp-lb__img {
  max-width: 100%;
  max-height: calc(100vh - 150px);
  object-fit: contain;
  border-radius: 8px;
  background: var(--viewport);
}
.sp-lb__cap {
  color: #e4eaf0;
  max-width: 720px;
  text-align: center;
  margin: 0;
}
.sp-lb__cap:empty {
  display: none;
}
.sp-lb__btn {
  position: absolute;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: 600 20px/1 var(--font-ui);
  cursor: pointer;
}
.sp-lb__btn:hover {
  border-color: var(--teal);
}
.sp-lb__close {
  top: 14px;
  right: 14px;
}
.sp-lb__prev {
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
}
.sp-lb__next {
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}
.sp-lb__count {
  position: absolute;
  left: 18px;
  top: 22px;
  font: 500 12px/1 var(--font-mono);
  color: #e4eaf0;
}
.sp-lb[data-single="true"] .sp-lb__prev,
.sp-lb[data-single="true"] .sp-lb__next,
.sp-lb[data-single="true"] .sp-lb__count {
  display: none;
}
body.sp-lb-open {
  overflow: hidden;
}

/* ---------- about: name card + tabs ---------- */
.ab-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  padding: 36px 0 12px;
}
.ab-card__cred {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 6px;
  max-width: none;
}
.ab-card__side {
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.ab-photo {
  padding: 8px;
  overflow: hidden;
}
.ab-photo picture,
.ab-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.ab-photo img {
  aspect-ratio: 1/1.1;
  object-fit: cover;
  object-position: 50% 12%;
}
.ab-facts {
  margin: 26px 0 0;
  padding: 16px 18px;
  display: grid;
  gap: 14px;
  max-width: 560px;
}
.ab-facts dt {
  margin: 0 0 4px;
}
.ab-facts dd {
  margin: 0;
  font-size: 0.93rem;
}
.ab-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.ab-links li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.93rem;
  color: var(--muted);
}
.ab-links a {
  color: var(--text);
  text-decoration-color: var(--border);
}
.ab-links a:hover {
  color: var(--amber-text);
}
.ab-links svg,
.ab-links i {
  width: 16px;
  text-align: center;
  color: var(--teal-text);
}
.ab-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 18px 0 8px;
}
.ab-tabs {
  margin-top: 28px;
}
.ab-tabs__list {
  display: flex;
  gap: 4px;
  padding: 5px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  width: max-content;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.ab-tabs__list::-webkit-scrollbar {
  display: none;
}
.ab-tabs__list [role="tab"] {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 600 13.5px/1 var(--font-ui);
  padding: 11px 18px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
}
.ab-tabs__list [role="tab"]:hover {
  color: var(--text);
  background: var(--panel2);
}
.ab-tabs__list [role="tab"][aria-selected="true"] {
  color: var(--on-accent);
  background: var(--teal);
}
.ab-panel {
  padding: 32px 0 8px;
  outline-offset: 6px;
}
.ab-sub {
  font-size: 1.1rem;
  margin: 1.6em 0 0.6em;
}
.ab-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  max-width: var(--measure);
}
.ab-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.97rem;
}
.ab-list .mono {
  color: var(--muted);
  font-size: 12.5px;
  margin-right: 8px;
}
.ab-muted {
  color: var(--muted);
}

.sp-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 2px solid var(--border);
  max-width: var(--measure);
}
.sp-timeline__item {
  position: relative;
  padding-bottom: 30px;
}
.sp-timeline__item:last-child {
  padding-bottom: 0;
}
.sp-timeline__item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--teal);
}
.sp-timeline__item.is-current::before {
  background: var(--teal);
}
.sp-timeline__when {
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 0 4px;
}
.sp-timeline h3 {
  font-size: 1.1rem;
  margin: 0 0 2px;
}
.sp-timeline__org {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 8px;
}
.sp-timeline ul {
  padding-left: 1.2em;
  margin: 0.4em 0 0;
  font-size: 0.95rem;
}

/* ---------- generic about (home page) ---------- */
.about-h2-link {
  color: inherit;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.visitor-badge {
  display: flex;
  justify-content: center;
  margin-top: 0.75rem;
  opacity: 0.85;
}
.visitor-badge img {
  height: 20px;
}
.credentials-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--raised);
  padding: 16px 18px;
  margin-top: 16px;
}
.credentials-label {
  font: 600 11.5px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.research-tags {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.research-tags li {
  font: 500 11.5px/1 var(--font-mono);
  color: var(--muted);
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
}
.credentials-block + .credentials-block {
  margin-top: 14px;
}
.credentials-block p {
  margin: 6px 0 0;
  font-size: 0.93rem;
}

/* ---------- responsive ---------- */
@media (max-width: 899px) {
  .sp-cards {
    grid-template-columns: minmax(0, 1fr);
  }
  .sp-cards--writing .sp-card--featured {
    grid-template-columns: minmax(0, 1fr);
  }
  .sp-cards--writing .sp-card--featured .sp-card__fig {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .sp-post--featured {
    flex-direction: column;
  }
  .sp-post--featured img {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16/9;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .ab-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .ab-card__side {
    max-width: 340px;
  }
  .sp-lb {
    padding: 64px 12px 56px;
  }
  .sp-lb__prev {
    left: 6px;
    top: auto;
    bottom: 8px;
    transform: none;
  }
  .sp-lb__next {
    right: 6px;
    top: auto;
    bottom: 8px;
    transform: none;
  }
}
@media (max-width: 520px) {
  .sp-head {
    padding-top: 20px;
  }
  .sp-card__body {
    padding: 18px;
  }
  .sp-cards--writing .sp-card--featured .sp-card__body,
  .sp-post--featured .sp-post__body {
    padding: 20px;
  }
  .sp-map {
    height: 320px;
  }
  .sp-media--beyond {
    columns: 1;
  }
  .sp-media--beyond .sp-media__item:nth-child(3n + 2) {
    transform: none;
  }
  .ab-tabs__list [role="tab"] {
    padding: 12px 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .sp-dots a::before,
  .sp-dots a::after {
    transition: none;
  }
}

/* ==========================================================================
   Long-form sections (research, beyond, writing): numbered blocks, figures, theme cards
   ========================================================================== */
.sp-secs {
  display: grid;
  gap: clamp(48px, 7vw, 84px);
  margin-top: 8px;
}
.sp-sec {
  min-width: 0;
}
.sp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 22px;
}
.sp-sec__head h2 {
  margin: 0;
  flex: 0 1 auto;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}
.sp-sec__head::after {
  content: "";
  flex: 1 1 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
  align-self: center;
}
.sp-sec__num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--teal-text);
}
.sp-sec > .sp-prose + .sp-prose,
.sp-figs + .sp-prose {
  margin-top: 26px;
}
.sp-figs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 26px;
  margin: 0 0 6px;
}
.sp-figs--one {
  grid-template-columns: minmax(0, 880px);
}
.sp-fig {
  margin: 0 0 6px;
  padding: 8px;
  min-width: 0;
  overflow: hidden;
}
.sp-fig .fx-plate {
  position: relative;
  line-height: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--viewport);
}
.sp-fig img,
.sp-fig video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.sp-fig figcaption {
  padding: 12px 8px 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  max-width: none;
}

/* list sections: every bullet is a card */
.sp-sec--list .sp-prose {
  max-width: none;
}
.sp-sec--list .sp-prose ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 18px;
}
.sp-sec--list .sp-prose li {
  position: relative;
  max-width: none;
  margin: 0;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--raised);
  font-size: 1rem;
  line-height: 1.6;
}
.sp-sec--list .sp-prose li > strong:first-child > a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.sp-sec--list .sp-prose li > strong:first-child {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}
.sp-sec--list .sp-prose li:has(> strong:first-child > a):hover {
  border-color: color-mix(in srgb, var(--teal) 55%, var(--border));
}

/* a section that is only a link becomes one big tap target */
.sp-sec--link {
  padding: 26px 28px;
}
.sp-sec--link .sp-sec__head {
  margin-bottom: 12px;
}
.sp-sec--link .sp-prose a {
  font-weight: 600;
}
.sp-sec--link .sp-prose a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* research themes: card grid, figure on top */
.sp-themes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
  margin-top: 26px;
}
.sp-theme {
  margin-bottom: 6px;
  min-width: 0;
}
.sp-theme .sp-card__fig {
  padding: 8px;
}
.sp-theme .sp-card__img {
  background: var(--viewport);
  border-radius: 8px;
}
.sp-theme .sp-card__img img {
  max-height: 300px;
}
.sp-theme .sp-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 4px;
}
.sp-theme h3 {
  margin: 0 0 0.45em;
  font-size: clamp(1.2rem, 1.9vw, 1.4rem);
}
.sp-theme .sp-prose {
  font-size: 1rem;
  line-height: 1.65;
}
.sp-card__cap {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
}
.sp-card__go {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  margin-top: auto;
  padding-top: 6px;
  font-weight: 600;
  text-decoration: none;
  color: var(--teal-text);
}
.sp-card__go:hover {
  color: var(--amber-text);
  text-decoration: underline;
}
.sp-theme:last-child:nth-child(odd) {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}
.sp-theme:last-child:nth-child(odd) .sp-card__fig {
  border-bottom: 0;
  border-right: 1px solid var(--border);
  align-items: center;
}
.sp-card .eyebrow {
  margin: 0 0 8px;
}

/* beyond: mini cards, travel log */
.sp-minis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  margin: 0 0 clamp(48px, 7vw, 84px);
}
.sp-mini {
  padding: 26px 28px 28px;
  border-style: dashed;
  min-width: 0;
}
.sp-mini h2 {
  margin: 0 0 0.45em;
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
}
.sp-mini .sp-prose {
  color: var(--muted);
  font-size: 1rem;
}
.sp-sec--beyond .sp-prose ul {
  list-style: none;
  padding: 0;
  margin: 1.2em 0 0;
  display: grid;
  gap: 12px;
}
.sp-sec--beyond .sp-prose li {
  max-width: none;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: 8px;
  font-size: 1rem;
}
.sp-sec--beyond .sp-figs {
  margin-bottom: 26px;
}
.sp-sec--beyond .sp-figs .sp-fig img {
  aspect-ratio: 4/3;
  object-fit: cover;
}
.sp-slot--in {
  margin: 34px 0 0;
}

/* writing: first card featured, rest in an auto grid; bullets read as link rows */
.sp-cards--writing {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  align-items: stretch;
}
.sp-cards--writing .sp-card--featured {
  grid-column: 1/-1;
}
.sp-cards--writing .sp-card__body {
  padding: 26px 28px 30px;
}
.sp-cards--writing .sp-card--featured .sp-card__body {
  padding: 34px;
}
.sp-cards--writing .sp-prose ul {
  list-style: none;
  padding: 0;
  margin: 1em 0 0;
  display: grid;
  gap: 12px;
}
.sp-cards--writing .sp-prose li {
  position: relative;
  max-width: none;
  margin: 0;
  padding: 14px 16px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
}
.sp-cards--writing .sp-prose li:has(> strong:first-child > a):hover {
  border-color: color-mix(in srgb, var(--teal) 55%, var(--border));
}
.sp-cards--writing .sp-prose li > strong:first-child > a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* map extras */
.sp-pin {
  fill: var(--teal);
  stroke: var(--amber);
  cursor: pointer;
}
.sp-map .leaflet-tile-pane {
  filter: invert(1) hue-rotate(180deg) brightness(0.92) contrast(0.92);
}
:root[data-theme="light"] .sp-map .leaflet-tile-pane {
  filter: none;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .sp-map .leaflet-tile-pane {
    filter: none;
  }
}
.sp-map .leaflet-control-attribution {
  font-size: 11px;
}
.sp-places {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: -22px 0 0;
  padding: 0;
}
.sp-places .chip {
  cursor: pointer;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 13.5px;
}
.sp-places .chip:hover {
  border-color: var(--teal);
  color: var(--text);
}

/* news timeline */
.sp-timeline--news {
  max-width: 760px;
}
.sp-timeline--news .sp-timeline__item {
  padding-bottom: 28px;
}
.sp-timeline__text {
  font-size: 1.0625rem;
  line-height: 1.65;
}
.sp-timeline__text a {
  overflow-wrap: anywhere;
}

/* 404 */
.nf {
  padding: 8px 0 24px;
}
.nf__code {
  display: block;
  width: max-content;
  max-width: 100%;
  font: 700 clamp(6.5rem, 26vw, 16rem) / 0.95 var(--font-ui);
  letter-spacing: -0.06em;
  color: var(--text);
}
.nf__text {
  margin: 12px 0 22px;
  color: var(--muted);
  font-size: 1.1rem;
}
.nf .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   About: terminal, marquee, designed blocks, timeline rail
   ========================================================================== */
.ab-term {
  padding: 16px 18px;
  min-height: 14.5em;
  background: var(--viewport);
  overflow: hidden;
}
.ab-term.fx-typing {
  font-size: 13px;
}
.ab-term .fx-typing__line::before {
  color: var(--teal-text);
}
.ab-term .fx-typing__screen {
  color: var(--text);
}
.ab-term__plain {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text);
}
.ab-term__plain li {
  padding: 2px 0;
}
.ab-areas.fx-marquee {
  margin: 24px 0 6px;
  padding: 4px 0;
}
.ab-areas.fx-marquee .chip {
  white-space: nowrap;
  font-size: 13px;
  padding: 8px 14px;
}
.ab-areas.fx-marquee .fx-marquee__group {
  gap: 10px;
}
.ab-blocks {
  display: grid;
  gap: clamp(48px, 7vw, 80px);
}
.ab-block {
  min-width: 0;
}
.ab-who {
  padding: 28px 30px;
  max-width: 78ch;
}
.ab-who p {
  max-width: none;
  margin: 0;
}
.ab-quote {
  position: relative;
  margin: 0;
  padding: 10px 0 10px clamp(22px, 4vw, 40px);
  border-left: 3px solid var(--amber);
  max-width: 62ch;
  font-family: var(--font-prose);
  font-size: clamp(1.25rem, 2.3vw, 1.65rem);
  line-height: 1.55;
  color: var(--text);
}
.ab-quote::before {
  content: "\201C";
  position: absolute;
  left: clamp(18px, 3.4vw, 34px);
  top: -0.35em;
  font: 400 5rem/1 var(--font-serif-accent);
  color: var(--amber);
  opacity: 0.35;
  pointer-events: none;
}
.ab-quote p {
  max-width: none;
  margin: 0;
}
.ab-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 20px;
  counter-reset: q;
}
.ab-grid li {
  position: relative;
  counter-increment: q;
  max-width: none;
  margin: 0;
  padding: 22px 24px 26px;
  font-size: 1.0625rem;
  line-height: 1.6;
}
.ab-grid li::before {
  content: counter(q, decimal-leading-zero);
  display: block;
  margin-bottom: 10px;
  font: 600 13px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--teal-text);
}
.ab-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 18px;
}
.ab-contact__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  min-height: 84px;
  padding: 18px 20px;
}
.ab-contact__val {
  font-size: 1rem;
  overflow-wrap: anywhere;
}
.ab-contact__val a {
  font-weight: 600;
}
.ab-contact__val a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.ab-contact__card:has(a):hover {
  border-color: color-mix(in srgb, var(--teal) 55%, var(--border));
}

/* background timeline: years in mono on a rail */
.ab-rail {
  --rail-yr: 124px;
  --rail-gap: 40px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}
.ab-rail::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: calc(var(--rail-yr) + var(--rail-gap) / 2 - 1px);
  width: 2px;
  background: var(--border);
}
.ab-rail__item {
  position: relative;
  display: grid;
  grid-template-columns: var(--rail-yr) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  padding-bottom: 28px;
}
.ab-rail__item:last-child {
  padding-bottom: 0;
}
.ab-rail__item::before {
  content: "";
  position: absolute;
  left: calc(var(--rail-yr) + var(--rail-gap) / 2 - 7px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--teal);
  box-sizing: border-box;
  z-index: 1;
}
.ab-rail__item.is-current::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 25%, transparent);
}
.ab-rail__yr {
  margin: 0;
  padding-top: 2px;
  text-align: right;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--amber-text);
}
.ab-rail__card {
  padding: 20px 24px 22px;
  min-width: 0;
}
.ab-rail__card h3 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}
.ab-rail__org {
  margin: 0 0 10px;
  max-width: none;
  color: var(--muted);
  font-size: 0.96rem;
}
.ab-rail__detail {
  font-size: 1rem;
  line-height: 1.65;
}
.ab-rail__detail p {
  max-width: none;
  margin: 0.4em 0 0;
}

/* ==========================================================================
   "On this page" sheet (phones)
   ========================================================================== */
.sp-toc-btn {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: 600 14px/1 var(--font-ui);
  box-shadow: var(--raised);
  cursor: pointer;
}
.sp-toc-btn:hover {
  border-color: var(--teal);
}
.sp-toc-btn svg {
  color: var(--teal-text);
}
.sp-toc {
  position: fixed;
  inset: 0;
  z-index: 210;
}
.sp-toc[hidden] {
  display: none;
}
.sp-toc__back {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 12, 0.6);
}
.sp-toc__panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 78vh;
  overflow: auto;
  padding: 20px 16px calc(16px + env(safe-area-inset-bottom));
  border-radius: 18px 18px 0 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom: 0;
}
.sp-toc__panel ol {
  list-style: none;
  margin: 8px 0 12px;
  padding: 0;
}
.sp-toc__panel li a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
}
.sp-toc__panel li a:hover {
  color: var(--amber-text);
}
.sp-toc__close {
  width: 100%;
  min-height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font: 600 15px/1 var(--font-ui);
  cursor: pointer;
}
body.sp-toc-open {
  overflow: hidden;
}
@media (max-width: 899px) {
  .sp-toc-btn {
    display: inline-flex;
  }
  .sp-themes,
  .sp-minis {
    grid-template-columns: minmax(0, 1fr);
  }
  .sp-theme:last-child:nth-child(odd) {
    display: flex;
  }
  .sp-theme:last-child:nth-child(odd) .sp-card__fig {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .ab-term {
    min-height: 0;
  }
}
@media (max-width: 640px) {
  .ab-rail {
    --rail-x: 6px;
    padding-left: 30px;
  }
  .ab-rail::before {
    left: 5px;
  }
  .ab-rail__item {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 6px;
    padding-bottom: 24px;
  }
  .ab-rail__item::before {
    left: -30px;
    top: 4px;
  }
  .ab-rail__yr {
    text-align: left;
  }
  .ab-who,
  .sp-sec--link,
  .sp-mini {
    padding: 20px;
  }
  .sp-cards--writing .sp-card__body,
  .sp-cards--writing .sp-card--featured .sp-card__body {
    padding: 22px 20px 24px;
  }
  .sp-sec__head {
    gap: 10px;
  }
}
@media (max-width: 899px) and (orientation: landscape) and (max-height: 520px) {
  .sp-toc__panel {
    max-height: 90vh;
  }
}

/* tap targets */
.sp .btn-cta {
  min-height: 44px;
}
.ab-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.ab-links {
  gap: 0 20px;
}
.ab-links li {
  color: var(--text);
}
.sp-timeline__text .citation,
.sp-timeline__text .citation a {
  color: var(--text);
}
.ab-links .al-email-text {
  color: var(--teal-text);
}