:root {
  color-scheme: light;
  --bg: #ffffff;
  --secondary: #fafafa;
  --text: #171717;
  --text-color: var(--text);
  --muted: #737373;
  --brand: #0b7a75;
  --border: #e5e5e5;
  --focus: #171717;
  --brand-link: #500000;
  --theme-transition-fast: 200ms;
  --theme-transition-normal: 220ms;
  --theme-transition-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0a0a;
  --secondary: #171717;
  --text: #fafafa;
  --text-color: var(--text);
  --muted: #a3a3a3;
  --brand: #2dd4bf;
  --border: #262626;
  --focus: #fafafa;
  --brand-link: #e6a8b1;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  display: none;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  --page-padding-y: 3.5rem;
  padding: var(--page-padding-y) 1.5rem;
  transition:
    background-color var(--theme-transition-normal) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease);
}

.skip-link {
  left: 1rem;
  opacity: 0;
  position: absolute;
  top: 1rem;
  z-index: 10;
}

.skip-link:focus-visible {
  background: var(--secondary);
  border: 1px solid var(--border);
  opacity: 1;
  padding: 0.35rem 0.5rem;
  transition:
    background-color var(--theme-transition-fast) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease);
}

.page-shell {
  margin: 0 auto;
  max-width: 40rem;
}

.intro-layout {
  align-items: start;
  column-gap: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11rem;
  row-gap: 0.8rem;
}

.intro-layout > .intro-heading {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.intro-photo-frame {
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.intro-photo,
.intro-photo-outline {
  display: block;
  height: 100%;
  inset: 0;
  object-fit: cover;
  object-position: 50% 60%;
  position: absolute;
  width: 100%;
}

.intro-photo-outline {
  pointer-events: none;
}

.intro-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
}

h2 {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 450;
  letter-spacing: 0;
  margin-bottom: 2rem;
  text-transform: none;
}

h3 {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.theme-toggle {
  appearance: none;
  background: color-mix(in srgb, var(--secondary) 45%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  line-height: 1;
  padding: 0.28rem;
  transition:
    background-color var(--theme-transition-fast) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    color var(--theme-transition-fast) var(--theme-transition-ease),
    box-shadow var(--theme-transition-fast) var(--theme-transition-ease);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.theme-toggle:focus-visible {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--focus) 45%, transparent);
}

.theme-toggle-icon {
  display: inline-flex;
  height: 1rem;
  width: 1rem;
}

.theme-toggle-icon svg {
  display: block;
  height: 100%;
  width: 100%;
  animation: theme-icon-swap 220ms var(--theme-transition-ease);
}

/* Circle-blur reveal adapted from https://beui.dev/components/motion/theme-toggle. */
html[data-theme-transition] {
  --theme-transition-fast: 0ms;
  --theme-transition-normal: 0ms;
}

html[data-theme-transition]::view-transition-group(root),
html[data-theme-transition]::view-transition-old(root) {
  animation: none;
  mix-blend-mode: normal;
}

html[data-theme-transition]::view-transition-new(root) {
  animation: theme-circle-blur 700ms cubic-bezier(0.4, 0, 0.2, 1);
  mix-blend-mode: normal;
}

@keyframes theme-circle-blur {
  from {
    clip-path: circle(0% at var(--theme-reveal-origin, 50% 50%));
    filter: blur(8px);
  }
  to {
    clip-path: circle(150% at var(--theme-reveal-origin, 50% 50%));
    filter: blur(0);
  }
}

@keyframes theme-icon-swap {
  from {
    opacity: 0.62;
    transform: rotate(-8deg) scale(0.9);
  }

  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

.section-block {
  margin: 0;
  transition: opacity 220ms ease-out;
}

/* The opening section owns the first screen; later sections follow on scroll. */
.intro-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100svh - var(--page-padding-y) - var(--page-padding-y));
  position: relative;
}

.intro-scroll-cue {
  bottom: -1.5rem;
  color: var(--muted);
  left: 50%;
  opacity: calc(0.55 * var(--cue-opacity, 1));
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
}

/* Keep the final section centerable without changing layout on rail clicks. */
main[data-section-focus] {
  padding-bottom: 50vh;
}

main[data-section-focus] .section-block:not([data-focused]) {
  opacity: 0.2;
}

/* Keep keyboard navigation readable if focus moves into another section. */
main[data-section-focus] .section-block:focus-within {
  opacity: 1;
}

.section-block h1,
.section-block h2 {
  scroll-margin-top: 2rem;
}

html {
  scroll-behavior: smooth;
}

.section-rail {
  left: 0;
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
}

.section-rail-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0.5rem 0;
}

.section-rail-button {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 0.25rem;
  cursor: pointer;
  display: flex;
  height: 1.5rem;
  padding: 0 0 0 1.25rem;
  position: relative;
  width: 3.5rem;
}

.section-rail-button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.section-rail-tick {
  background: var(--muted);
  border-radius: 2px;
  display: block;
  height: 2px;
  opacity: 0.45;
  transform: scaleX(0.5);
  transform-origin: left center;
  transition:
    background-color 160ms ease-out,
    opacity 160ms ease-out,
    transform 160ms var(--theme-transition-ease);
  width: 1.5rem;
}

.section-rail:is(:hover, :focus-within) .section-rail-tick {
  opacity: 0.65;
  transform: scaleX(0.67);
}

.section-rail-button:is(:hover, :focus-visible) .section-rail-tick {
  background: var(--text);
  opacity: 1;
  transform: scaleX(0.83);
}

.section-rail .section-rail-button.is-active .section-rail-tick {
  background: var(--brand);
  opacity: 1;
  transform: scaleX(1);
}

.section-rail-popover {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  box-shadow: 0 4px 16px color-mix(in srgb, #000000 16%, transparent);
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  left: 100%;
  width: min(17rem, calc(100vw - 4rem));
  opacity: 0;
  overflow: hidden;
  padding: 0.6rem 0.8rem;
  pointer-events: none;
  position: absolute;
  text-align: left;
  top: 50%;
  transform: translate3d(-0.2rem, -50%, 0);
  transition:
    opacity 120ms ease-out,
    transform 160ms var(--theme-transition-ease),
    visibility 160ms;
  visibility: hidden;
  white-space: nowrap;
  z-index: 26;
}

.section-rail-popover strong {
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}

.section-rail-popover > span {
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-rail-button:hover .section-rail-popover,
.section-rail-button:focus-visible .section-rail-popover {
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0, -50%, 0);
  visibility: visible;
}

@media (max-width: 52rem) {
  .section-rail {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --theme-transition-fast: 0ms;
    --theme-transition-normal: 0ms;
  }

  .theme-toggle-icon svg,
  html[data-theme-transition]::view-transition-new(root) {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }

  .experience-detail,
  .section-block,
  .section-rail-tick,
  .section-rail-popover {
    transition: none;
  }
}

.section-block + .section-block,
.section-block + .experience-builds-group,
.experience-builds-group + .section-block {
  margin-top: clamp(7rem, 18vh, 11rem);
}

p {
  max-width: 65ch;
}

ul {
  list-style: none;
  padding: 0;
}

.app-group + .app-group {
  margin-top: 1rem;
}

.experience-section {
  height: calc(100svh + var(--experience-scroll-steps) * 75svh);
}

.experience-pin {
  display: flex;
  flex-direction: column;
  height: 100svh;
  justify-content: center;
  position: sticky;
  top: 0;
}

.experience-pin > h2 { margin-bottom: 2rem; }

/* Reclaim the pinned panel's lower whitespace when the timeline releases. */
.experience-section + .section-block {
  margin-top: calc(clamp(7rem, 18vh, 11rem) - max(0px, (100svh - 28rem) / 2));
  position: sticky;
  bottom: calc(-1 * var(--builds-height, 0px) - clamp(7rem, 18vh, 11rem) + max(0px, (100svh - 28rem) / 2));
  visibility: hidden;
}

.experience-section + .section-block[data-timeline-visible] { visibility: visible; }

.experience-spine-layout {
  display: grid;
  gap: 2.375rem;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  min-height: 24rem;
}

.experience-year-block > span {
  font-size: 3.875rem;
  font-weight: 450;
  letter-spacing: -0.06em;
  line-height: 1;
}

.experience-year-block > p {
  color: var(--muted);
  font-size: 0.6875rem;
  margin-top: 0.75rem;
  max-width: 5.625rem;
}

.experience-spine { list-style: none; margin: 0; padding: 0; }

.experience-spine > li {
  border-left: 1px solid var(--border);
  padding: 0 0 1.375rem 1.5rem;
  position: relative;
}

.experience-spine > li:last-child { padding-bottom: 0; }
.experience-spine h3 { margin: 0; }

.experience-spine > li::before {
  background: var(--bg);
  border: 1px solid var(--muted);
  border-radius: 50%;
  content: "";
  height: 7px;
  left: -4px;
  position: absolute;
  top: 0.5rem;
  width: 7px;
}

.experience-spine > li.is-active::before { background: var(--brand); border-color: var(--brand); }

.experience-spine-select {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  display: block;
  font: inherit;
  padding: 0;
  text-align: left;
}

.is-active > h3 > .experience-spine-select { color: var(--text); }
.experience-spine-select:focus-visible { outline: 2px solid var(--brand); outline-offset: 5px; }
.experience-spine-role { display: block; font-size: 1rem; font-weight: 450; letter-spacing: -0.02em; line-height: 1.4; text-transform: none; }
.experience-spine-date { color: var(--muted); display: block; font-size: 0.6875rem; font-weight: 400; letter-spacing: 0; margin-top: 0.1875rem; text-transform: none; }

.experience-detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 180ms ease-out, opacity 180ms ease-out;
}

.experience-detail > div { overflow: hidden; }
.experience-spine > li.is-active .experience-detail { grid-template-rows: 1fr; opacity: 1; }
.experience-detail .link { font-size: 0.75rem; margin: 0.75rem 0 0.5rem; }
.experience-detail p { color: var(--muted); font-size: 0.8125rem; line-height: 1.65; }

.row-list li {
  padding: 0.18rem 0;
}

.inline-list li + li {
  margin-top: 0.35rem;
}

.muted,
.metric-label,
.site-footer {
  color: var(--muted);
  transition: color var(--theme-transition-fast) var(--theme-transition-ease);
}

.inline-list .muted {
  display: inline-block;
  margin-right: 0.45rem;
  min-width: 4.75rem;
}

a {
  color: inherit;
  text-decoration: none;
}

.link {
  color: color-mix(in srgb, var(--text) 96%, transparent);
  display: inline-block;
  padding-bottom: 0.12rem;
  position: relative;
  transition: color var(--theme-transition-fast) var(--theme-transition-ease);
}


.link.global-shop-link,
.link.global-shop-link:link,
.link.global-shop-link:visited,
.link.global-shop-link:hover,
.link.global-shop-link:focus-visible,
.link.global-shop-link:active {
  color: #58b947;
  text-decoration: none;
}

.link.tamu-link {
  color: var(--brand-link);
}

.link-panes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.link-panes > li {
  background: color-mix(in srgb, var(--secondary) 60%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  min-width: 0;
  transition: border-color 160ms ease-out, background-color 160ms ease-out;
}

.link-panes > li:is(:hover, :focus-within) {
  background: var(--secondary);
  border-color: color-mix(in srgb, var(--brand) 55%, var(--border));
}

.link-pane {
  border-radius: inherit;
  display: block;
  overflow: hidden;
}

.link-pane:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.pane-preview {
  aspect-ratio: 16 / 9;
  background: var(--secondary);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.pane-preview > img {
  background: #fff;
  display: block;
  height: 100%;
  object-fit: cover;
  object-position: top;
  width: 100%;
}

.pane-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
}

.pane-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pane-description {
  font-size: 0.8rem;
}

.pane-arrow {
  color: var(--muted);
}

.pane-email {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  height: 100%;
  justify-content: center;
  padding: 0.5rem;
}

.pane-email svg {
  color: var(--brand);
  height: 3rem;
  width: 3rem;
}

.pane-email > span {
  font-size: clamp(0.6rem, 1.2vw, 0.8rem);
  overflow-wrap: anywhere;
}

.personal-section { position: relative; left: 50%; width: 100vw; margin-left: -50vw; }
.scratchboard { position: relative; height: 100svh; overflow: hidden; border-block: 1px solid var(--border); background: radial-gradient(color-mix(in srgb, var(--muted) 28%, transparent) .7px, transparent .8px), var(--secondary); background-size: 18px 18px; }
.scratchboard-credits { position: absolute; bottom: .5rem; right: .75rem; z-index: 4; color: var(--muted); font-size: .65rem; }
.scratchboard-center { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%); text-align: center; pointer-events: none; width: 40%; }
.scratchboard-center h2 { margin: 0; color: var(--muted); font-size: .6rem; font-weight: 400; letter-spacing: .13em; text-transform: uppercase; }
.scratchboard-center strong { display: block; color: var(--text); font-size: clamp(1.15rem, 3vw, 1.9rem); line-height: 1.15; letter-spacing: -.04em; margin-top: .6rem; }
.scratchboard-item { position: absolute; left: 0; top: 0; width: clamp(5rem, 15%, 10rem); aspect-ratio: 1; }
.scratchboard-piece { width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: .15rem; padding: .25rem; border: 0; background: transparent; color: var(--text); font: inherit; font-size: clamp(.7rem, 1.8vw, .85rem); text-align: center; cursor: grab; touch-action: none; user-select: none; }
.scratchboard-piece:active { cursor: grabbing; }
.scratchboard-piece:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.scratchboard-cutout { width: 100%; height: 100%; object-fit: contain; pointer-events: none; filter: drop-shadow(0 6px 9px #0005); }
[data-theme="light"] .scratchboard-item:is(.scratchboard-item-12, .scratchboard-item-13) .scratchboard-cutout { filter: invert(1) drop-shadow(0 6px 9px #0003); }

.skill-group {
  align-items: start;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 1rem;
  grid-template-columns: 9rem minmax(0, 1fr);
  padding: 1.15rem 0;
}

.skill-group > h3 {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0;
  margin: 0;
  padding-top: 0.25rem;
  text-transform: none;
}

.education-group p {
  font-size: 0.875rem;
}

.skill-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-width: 0;
}

.skill-tokens > li {
  align-items: center;
  display: inline-flex;
  gap: 0.4rem;
  background: color-mix(in srgb, var(--secondary) 65%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 0.3rem;
  font-size: 0.78rem;
  line-height: 1.5;
  padding: 0.25rem 0.55rem;
  overflow-wrap: anywhere;
}

.skill-logos {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
  gap: 0.15rem;
}

.skill-logos img {
  display: block;
  object-fit: contain;
}

[data-theme="dark"] .skill-logos img:is(
  [src$="/rust.svg"], [src$="/flask.svg"], [src$="/langgraph.svg"],
  [src$="/database.svg"], [src$="/code.svg"], [src$="/terminal.svg"],
  [src$="/network.svg"], [src$="/cluster.svg"]
) {
  filter: brightness(0) invert(1);
}

.link::after {
  background: currentColor;
  bottom: -0.02em;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 300ms cubic-bezier(0.2, 0.9, 0.2, 1);
  width: 100%;
}

.link:hover::after,
.link:focus-visible::after {
  transform: scaleX(1);
}


.link.global-shop-link::after {
  background: #58b947;
}


.external-mark {
  font-size: 0.8em;
  margin-left: 0.15rem;
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.2;
}

.metric-cycle {
  min-height: 3.7rem;
}

.metric-entry {
  animation: metric-fade-slide 380ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes metric-fade-slide {
  from {
    opacity: 0;
    transform: translateY(0.3rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  font-size: 0.8125rem;
}

footer {
  margin-top: 2.6rem;
}

.sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.hover-preview {
  background: color-mix(in srgb, var(--bg) 92%, var(--secondary));
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 0.55rem;
  box-shadow: 0 10px 24px color-mix(in srgb, #000000 16%, transparent);
  display: flex;
  flex-direction: column;
  left: var(--preview-x, 1rem);
  max-height: calc(100vh - 1.75rem);
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  top: var(--preview-y, 1rem);
  transform: translate3d(0, 6px, 0) scale(0.992);
  transition:
    opacity 120ms ease-out,
    transform 140ms cubic-bezier(0.2, 0.72, 0.18, 1),
    background-color var(--theme-transition-normal) var(--theme-transition-ease),
    border-color var(--theme-transition-fast) var(--theme-transition-ease),
    box-shadow var(--theme-transition-fast) var(--theme-transition-ease);
  width: min(26.25rem, calc(100vw - 2rem));
  z-index: 30;
}

.hover-preview.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hover-preview-media {
  border-radius: 0.5rem;
  display: block;
  height: auto;
  max-height: min(52vh, 28rem);
  object-fit: contain;
  width: 100%;
  background: var(--secondary);
  transition: background-color var(--theme-transition-fast) var(--theme-transition-ease);
}

@media (hover: none), (pointer: coarse) {
  .hover-preview {
    display: none;
  }
}

@media (max-width: 42rem) {
  .experience-spine-layout {
    gap: 1.25rem;
    grid-template-columns: 4.0625rem minmax(0, 1fr);
    min-height: 24rem;
  }

  .experience-year-block > span { font-size: 2.375rem; }
  .experience-spine > li { padding-left: 1.125rem; padding-bottom: 1.125rem; }
  .experience-spine-role { font-size: 0.875rem; }
  .experience-detail p { font-size: 0.75rem; }

  .intro-layout {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 1.25rem;
  }

  .intro-photo-frame {
    width: 10rem;
  }

  .skill-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.65rem;
  }

  body {
    --page-padding-y: 2.8rem;
    padding: var(--page-padding-y) 1.25rem;
  }

  .hover-preview {
    width: min(22rem, calc(100vw - 2rem));
  }
}

@media (max-width: 24rem) {
  .link-panes {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* A touch-friendly section picker takes the place of the desktop tick rail. */
@media (max-width: 42rem), (max-width: 60rem) and (max-height: 34rem) and (pointer: coarse) {
  .section-rail {
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    border-top: 1px solid var(--border);
    bottom: 0;
    display: block;
    left: 0;
    right: 0;
    top: auto;
    transform: none;
  }

  .section-rail-list {
    flex-direction: row;
    gap: 0.15rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding: 0.25rem 0.75rem calc(0.25rem + env(safe-area-inset-bottom));
    scrollbar-width: none;
  }

  .section-rail-list::-webkit-scrollbar { display: none; }
  .section-rail-list > li { flex: 0 0 auto; }

  .section-rail-button {
    color: var(--muted);
    height: auto;
    min-height: 44px;
    padding: 0 0.7rem;
    width: auto;
  }

  .section-rail-button.is-active {
    background: color-mix(in srgb, var(--brand) 12%, var(--bg));
    color: var(--brand);
  }

  .section-rail-tick { display: none; }

  .section-rail-popover,
  .section-rail-button:is(:hover, :focus-visible) .section-rail-popover {
    background: transparent;
    border: 0;
    box-shadow: none;
    color: inherit;
    display: block;
    left: auto;
    opacity: 1;
    overflow: visible;
    padding: 0;
    pointer-events: none;
    position: static;
    top: auto;
    transform: none;
    visibility: visible;
    width: auto;
  }

  .section-rail-popover strong { font-size: 0.8rem; }
  .section-rail-popover > span { display: none; }
  .theme-toggle { min-height: 44px; min-width: 44px; }
  .experience-spine-select { min-height: 44px; width: 100%; }
  .intro-scroll-cue { bottom: 2.5rem; }
  .experience-pin { padding-bottom: calc(3.5rem + env(safe-area-inset-bottom)); }
  .experience-section + .section-block {
    margin-top: calc(clamp(7rem, 18vh, 11rem) - max(0px, (100svh - 28rem) / 2) - 3.5rem - env(safe-area-inset-bottom));
    bottom: calc(-1 * var(--builds-height, 0px) - clamp(7rem, 18vh, 11rem) + max(0px, (100svh - 28rem) / 2) + 3.5rem + env(safe-area-inset-bottom));
  }
  body { padding-bottom: calc(6rem + env(safe-area-inset-bottom)); }
}

@media (max-width: 24rem) {
  .experience-pin > h2 { margin-bottom: 1rem; }
  .experience-spine-layout { display: block; min-height: 0; }
  .experience-year-block { align-items: baseline; display: flex; gap: 0.7rem; margin-bottom: 0.8rem; }
  .experience-year-block > span { font-size: 1.35rem; }
  .experience-year-block > p { margin: 0; max-width: none; }
  .experience-spine > li { padding-bottom: 0.8rem; }
  .experience-detail p { font-size: 0.8125rem; line-height: 1.5; }
}

/* Keep the pinned timeline readable when a phone is held sideways. */
@media (max-width: 60rem) and (max-height: 34rem) and (pointer: coarse) {
  .experience-pin > h2 { margin-bottom: 0.65rem; }
  .experience-spine-layout { gap: 1rem; grid-template-columns: 4.5rem minmax(0, 1fr); min-height: 0; }
  .experience-year-block > span { font-size: 2rem; }
  .experience-year-block > p { margin-top: 0.3rem; }
  .experience-spine > li { padding-bottom: 0.55rem; padding-left: 1rem; }
  .experience-spine-role { font-size: 0.8125rem; }
  .experience-spine-select { min-height: 0; }
  .experience-detail .link { margin: 0.3rem 0 0.15rem; }
  .experience-detail p { font-size: 0.75rem; line-height: 1.35; }
}