/* Production composition on the shared v3 tokens and components. */
html { scrollbar-color: var(--color-line-strong) var(--color-bg); }
body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
::selection { background: var(--color-accent); color: var(--color-on-accent); }
a, button { -webkit-tap-highlight-color: transparent; }
[id] { scroll-margin-top: 90px; }
.site-header__inner { justify-content: space-between; }
.site-nav { margin-left: auto; }
.site-nav a { white-space: nowrap; }
.theme-control__btn { min-height: 44px; }
html:not(.js) .theme-control { display: none; }
.page-head { max-width: 800px; }
.page-title { overflow-wrap: anywhere; }
/* Ambient studies share the portfolio palette; JS masks all foreground copy. */
.graphic-hero { overflow: hidden; }
.graphic-hero > .container { position: relative; z-index: 1; }
.graphic-hero__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .5fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.graphic-hero__layout .page-head { padding-top: 24px; }
.graphic-hero__layout .page-title { text-wrap: balance; }
.graphic-hero__layout .summary { max-width: 55ch; }
.page-art-space { min-height: 250px; pointer-events: none; }
.ambient-art { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.home-title-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.home-title-row .page-art-space { width: clamp(130px, 19vw, 250px); flex: 0 1 250px; min-width: 0; min-height: 140px; margin-block: -16px; }
.home-title-row .page-title { flex-shrink: 0; }
@media (max-width: 760px) {
  .graphic-hero__layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .graphic-hero__layout .page-art-space { min-height: 150px; }
  .home-title-row .page-art-space { max-width: 42%; min-height: 100px; margin-block: 0; }
}
@media print { .ambient-art, .page-art-space { display: none; } .graphic-hero__layout { display: block; } }
.home-intro { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(230px, .7fr); gap: clamp(32px, 7vw, 100px); align-items: center; }
.home-intro .page-title { font-size: clamp(3.5rem, 7vw, 6rem); }
.home-intro .positioning { font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1.25; margin: 24px 0; }
.home-intro em { color: var(--color-accent); }
.home-intro .summary { max-width: 58ch; }
:root, [data-theme] { --color-adobe: #fa0f00; } /* Adobe brand red, used only for the recognition rule */
.home-note { border-top: 1px solid var(--color-line-strong); padding-top: 24px; }
.home-note--adobe { border-top: 2px solid var(--color-adobe); }
.champion-banner { display: block; margin: 18px 0 6px; border: 1px solid var(--color-line); border-radius: 6px; overflow: hidden; background: #0a0a14; }
.champion-banner img { display: block; width: 100%; height: auto; }
.identity-list { list-style: none; padding: 0; margin: 20px 0 30px; }
.identity-list li { padding: 14px 0; border-bottom: 1px solid var(--color-line); font-family: var(--font-display); font-size: 21px; }
.identity-list li a { color: var(--color-text); border-bottom: 1px solid transparent; }
.identity-list li a:hover { color: var(--color-accent); border-color: currentColor; }
.identity-list li span { display: block; margin-top: 4px; font-family: var(--font-body); font-size: 14px; color: var(--color-text-muted); }
.work-feature { display: grid; grid-template-columns: 1fr 1.2fr; align-items: center; gap: 48px; margin-top: 36px; }
.work-feature h3 { font-size: 32px; }
.work-feature p { margin: 16px 0 24px; }
.work-feature figure { margin: 0; }
.work-feature img { width: 100%; height: auto; }
.home-work-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; margin-top: 48px; }
.home-work-links a { border-top: 1px solid var(--color-line-strong); padding: 24px 0; }
.home-work-links strong { display: block; font-family: var(--font-display); font-size: 23px; margin-bottom: 8px; }
.home-work-links span { color: var(--color-text-muted); font-size: 14px; }
.home-two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,8vw,100px); }
.home-two p, .credential-intro p { max-width: 60ch; margin: 20px 0 28px; }
.migration-note { max-width: 680px; padding: 16px 0 32px; }
.migration-note p { margin: 20px 0; }
.status-label { color: var(--color-accent); font-size: 14px; }
.migration-note .btn { margin-top: 16px; }
.talk-list { padding-top: 0; }
.talk-row { display: grid; grid-template-columns: 210px minmax(0,1fr); gap: 48px; padding: 40px 0; border-top: 1px solid var(--color-line); }
.talk-row h2 { font-size: clamp(24px,2.5vw,32px); max-width: 40ch; }
.talk-row p { max-width: 70ch; margin: 12px 0 20px; }
.talk-row .cluster { margin-top: 24px; gap: 30px; }
.talk-date p { font-family: var(--font-mono); font-size: 13px; }
.talk-event { color: var(--color-accent); }
.writing-next { max-width: 680px; padding-top: 8px; }
.writing-next p { margin: 16px 0 0; }
/* Listing controls: search plus topic, format and year filters, all in place (js/writing-filter.js).
   Built from the v3 filter bar; hidden until the script runs, so no-JS readers get the plain list. */
.writing-list-band { padding-top: var(--space-6); }
/* Listing rows. The title link stretches over the whole row, so the date, chips, summary and cover
   are one target; Watch on YouTube sits above it. Year marks split the stream into chapters when
   sorted by date (set in the HTML for the default order, recomputed by js/writing-filter.js). */
.writing-list { list-style: none; margin: 0; padding: 0; }
.writing-list > li { position: relative; isolation: isolate; }
.writing-list > li[hidden] { display: none; }
.writing-list > li[data-year-mark]::before {
  content: attr(data-year-mark); display: block; margin: var(--space-8) 0 var(--space-3);
  font: italic 600 clamp(2.25rem, 1.8rem + 1.6vw, 3rem)/1 var(--font-display); letter-spacing: -0.01em;
  color: var(--color-text-faint); font-variant-numeric: lining-nums;
}
.writing-list > li[data-first][data-year-mark]::before, .writing-list > li:first-child[data-year-mark]::before { margin-top: 0; }
.writing-row {
  position: relative; display: grid; grid-template-columns: 176px minmax(0, 1fr) minmax(0, 288px);
  gap: 16px 48px; align-items: start; padding: 36px 0; border-top: 1px solid var(--color-line);
}
.writing-list > li[data-year-mark] .writing-row { border-top-color: var(--color-line-strong); }
.writing-list > li:first-child:not([data-year-mark]) .writing-row, .writing-list > li[data-first]:not([data-year-mark]) .writing-row { border-top-color: transparent; }
.writing-row::before {
  content: ""; position: absolute; inset: 12px -20px; z-index: -1; border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: 0 1px 2px rgba(20, 18, 15, 0.04), 0 8px 24px -12px rgba(20, 18, 15, 0.18);
  opacity: 0; transition: opacity var(--duration-base) var(--ease-standard);
}
.writing-row:hover::before, .writing-row:focus-within::before { opacity: 1; }
.writing-row__meta { display: grid; gap: 12px; justify-items: start; padding-top: 7px; font: 400 13px/1.4 var(--font-mono); color: var(--color-text-faint); }
.writing-row__date { color: var(--color-text-muted); letter-spacing: 0.01em; font-variant-numeric: tabular-nums; }
.writing-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.writing-row__facts { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; margin: 0; font-variant-numeric: tabular-nums; }
.writing-row__has-video { display: inline-flex; align-items: center; gap: 6px; }
.writing-row__has-video::before { content: ""; width: 13px; height: 13px; background: currentColor; -webkit-mask: var(--icon-video) center / contain no-repeat; mask: var(--icon-video) center / contain no-repeat; }
.writing-row h2 { margin: 0; font-size: var(--text-h2); line-height: 1.18; max-width: 32ch; text-wrap: balance; }
.writing-row h2 .nowrap { white-space: nowrap; }
.writing-row__link { color: inherit; text-decoration: none; transition: color var(--duration-fast) var(--ease-standard); }
.writing-row__link::after { content: ""; position: absolute; inset: 12px -20px; z-index: 1; border-radius: var(--radius-lg); }
.writing-row__link:focus-visible { outline: none; }
.writing-row__link:focus-visible::after { outline: 2px solid var(--color-focus); outline-offset: 0; }
.writing-row:hover .writing-row__link, .writing-row__link:focus-visible { color: var(--color-accent); }
.writing-row__talk { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; margin: 14px 0 0; font: 500 12.5px/1.4 var(--font-mono); letter-spacing: 0.02em; }
.writing-row__talk a { display: inline-flex; align-items: center; gap: 6px; color: var(--color-accent); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--color-accent) 35%, transparent); text-underline-offset: 4px; }
.writing-row__talk a::before { content: ""; width: 13px; height: 13px; flex: none; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='5.2' y='1.2' width='5.6' height='8.6' rx='2.8' fill='none' stroke='black' stroke-width='1.5'/%3E%3Cpath d='M3 7.6a5 5 0 0 0 10 0M8 12.6v2.2' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Crect x='5.2' y='1.2' width='5.6' height='8.6' rx='2.8' fill='none' stroke='black' stroke-width='1.5'/%3E%3Cpath d='M3 7.6a5 5 0 0 0 10 0M8 12.6v2.2' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.writing-row__talk a:hover { text-decoration-color: currentColor; }
.writing-row__talk span { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border: 1px solid color-mix(in srgb, var(--color-topic-work) 40%, transparent); border-radius: var(--radius-pill); color: var(--color-topic-work); font-size: 11.5px; }
.writing-row__summary { margin: 12px 0 0; max-width: 60ch; font-size: 1rem; line-height: 1.62; color: var(--color-text-muted); }
.writing-row__actions { margin: 14px 0 0; }
.writing-row__yt {
  position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin: -12px 0;
  font: 500 12.5px/1 var(--font-mono); letter-spacing: 0.02em; color: var(--color-text-muted);
  text-decoration: underline; text-decoration-color: var(--color-line-strong); text-underline-offset: 5px;
  transition: color var(--duration-fast) var(--ease-standard), text-decoration-color var(--duration-fast) var(--ease-standard);
}
.writing-row__yt::before { content: ""; width: 14px; height: 14px; background: currentColor; -webkit-mask: var(--icon-video) center / contain no-repeat; mask: var(--icon-video) center / contain no-repeat; }
.writing-row__yt:hover { color: var(--color-accent); text-decoration-color: currentColor; }
.writing-row__media { display: block; margin-top: 4px; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-line); background: var(--color-surface); }
.writing-row__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1); }
.writing-row:hover .writing-row__media img { transform: scale(1.03); }
/* Most covers are diagrams on white; in dark mode they sit back until the row is in focus. */
:root[data-theme="dark"] .writing-row__media img { filter: brightness(0.82); transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1), filter var(--duration-base) var(--ease-standard); }
:root[data-theme="dark"] .writing-row:hover .writing-row__media img, :root[data-theme="dark"] .writing-row:focus-within .writing-row__media img { filter: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .writing-row__media img { filter: brightness(0.82); transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1), filter var(--duration-base) var(--ease-standard); }
  :root:not([data-theme]) .writing-row:hover .writing-row__media img, :root:not([data-theme]) .writing-row:focus-within .writing-row__media img { filter: none; }
}
@media (max-width: 1023px) {
  .writing-row { grid-template-columns: 150px minmax(0, 1fr); gap: 16px 36px; }
  .writing-row__media { grid-column: 2; max-width: 360px; }
}
@media (max-width: 760px) {
  .writing-list > li[data-year-mark]::before { margin-top: var(--space-7); }
  .writing-row { grid-template-columns: minmax(0, 1fr) 112px; gap: 14px 16px; padding: 28px 0; }
  .writing-row::before, .writing-row__link::after { inset: 8px -12px; }
  .writing-row__meta { grid-column: 1; grid-row: 1; gap: 10px; padding-top: 0; }
  .writing-row__media { grid-column: 2; grid-row: 1; max-width: none; margin-top: 0; border-radius: var(--radius-md); }
  .writing-row__body { grid-column: 1 / -1; }
  .writing-row h2 { font-size: 1.375rem; }
  .writing-row__summary { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; line-clamp: 4; overflow: hidden; }
}
@media (prefers-reduced-motion: reduce) {
  .writing-row::before, .writing-row__link, .writing-row__media img, .writing-row__yt { transition: none; }
  .writing-row:hover .writing-row__media img { transform: none; }
}
.writing-filter { margin-bottom: var(--space-7); gap: 12px; }
.writing-filter[hidden] { display: none; }
.writing-filter__search { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.writing-filter__field { position: relative; flex: 1 1 320px; max-width: 560px; }
.writing-filter__field svg { position: absolute; left: 14px; top: 50%; width: 16px; height: 16px; transform: translateY(-50%); fill: none; stroke: var(--color-text-faint); stroke-width: 1.6; pointer-events: none; }
.writing-filter input[type="search"] {
  width: 100%; min-height: 44px; padding: 10px 40px 10px 40px;
  font: 400 15px/1.4 var(--font-body); color: var(--color-text);
  background: var(--color-bg); border: 1px solid var(--color-line-strong); border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-standard);
}
.writing-filter input[type="search"]::placeholder { color: var(--color-text-faint); }
.writing-filter input[type="search"]:hover { border-color: var(--color-text-faint); }
.writing-filter input[type="search"]:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-color: var(--color-text); }
.writing-filter__key { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font: 500 11px/1 var(--font-mono); color: var(--color-text-faint); border: 1px solid var(--color-line-strong); border-radius: var(--radius-sm); padding: 4px 6px; pointer-events: none; }
.writing-filter__field:focus-within .writing-filter__key { display: none; }
.writing-filter .filter-bar__label { flex-basis: 64px; }
.writing-filter .chip { min-height: 36px; }
.writing-filter .chip__n { font-size: 11px; opacity: .6; margin-left: 2px; }
.writing-filter .chip.is-zero { opacity: .45; }
.writing-filter .filter-bar__count { margin-left: 0; }
@media (max-width: 760px) {
  .writing-filter { padding: 14px 0 14px 16px; gap: 10px; }
  .writing-filter__search { padding-right: 16px; }
  .writing-filter .filter-bar__row { flex-wrap: nowrap; }
  .writing-filter .filter-bar__label { flex: 0 0 52px; }
  .writing-filter .filter-bar__row > .cluster { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding: 2px 16px 2px 2px; }
  .writing-filter .filter-bar__row > .cluster::-webkit-scrollbar { display: none; }
}
.writing-empty { margin-bottom: var(--space-6); }
.writing-empty[hidden] { display: none; }
.credential-list { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; }
.credential-row { display: grid; grid-template-columns: 80px minmax(0,1fr); gap: 24px; padding: 28px 0; border-top: 1px solid var(--color-line); }
.credential-row img { width: 80px; height: 80px; object-fit: contain; background: var(--color-diagram-ground); border-radius: 6px; padding: 6px; }
.credential-mark { position: relative; width: 80px; height: 80px; display: grid; place-items: center; border: 1px solid var(--color-line); border-radius: 6px; background: var(--color-bg-alt); }
.credential-mark span { font-size: 11px; text-align: center; padding: 4px; color: var(--color-text-muted); }
.credential-mark img { position: absolute; inset: 0; visibility: hidden; }
.credential-mark img[data-loaded] { visibility: visible; }
.credential-row h3 { margin-bottom: 12px; }
.credential-row p { margin: 4px 0; }
.credential-row .text-link { margin-top: 10px; }
.compact-footer { padding: 28px 0; border-top: 1px solid var(--color-line); background: var(--color-bg); }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; font-size: 13px; }
.footer-row p { margin: 0; }
.footer-row p span { margin-left: 18px; }
.footer-row nav { display: flex; gap: 24px; }
.footer-row a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: underline; text-underline-offset: 5px; }
.portfolio-jumps { max-width: 1200px; margin: 0 auto; padding: 16px var(--pad); display: flex; flex-wrap: wrap; gap: 12px 28px; border-block: 1px solid var(--color-line); }
.portfolio-jumps a { display: inline-flex; min-height: 44px; align-items: center; color: var(--color-text-muted); }
.portfolio-jumps a:hover { color: var(--color-accent); }
.portfolio-page .hero { min-height: auto; padding-top: 80px; padding-bottom: 70px; }
.portfolio-page .scroll-progress { position: absolute; bottom: 0; left: 0; width: 0; height: 1px; background: var(--color-accent); pointer-events: none; }
.portfolio-page .hero-grid { display: block; }
.portfolio-page .hero h1 { font-size: clamp(44px,6vw,76px); }
.portfolio-page .project-meta { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); margin: 16px 0; letter-spacing: .02em; }
.portfolio-page .project-meta::after { content: none; }
.portfolio-page .method-line, .portfolio-page .arc { color: var(--color-text-muted); }
.portfolio-page .frame { padding: 0; }
.portfolio-page .frame figcaption { padding: 16px; }
.portfolio-page .proof-links a,
.portfolio-page .hero-links a,
.portfolio-page .repo-callout-links a,
.portfolio-page .repo-callout-url { min-height: 44px; display: inline-flex; align-items: center; }
.portfolio-page .diagram-deck { box-shadow: none; }
.portfolio-page .deck-tab { min-height: 44px; }
.portfolio-page .deck-label, .portfolio-page .deck-position { color: var(--color-text-muted); }
.portfolio-page .lightbox { background: var(--color-bg); }
.portfolio-page .chapter { isolation: isolate; }
.portfolio-page .chapter::before { background: linear-gradient(180deg,color-mix(in srgb,var(--accent) var(--band-tint-strong),transparent),transparent 70%); }
.portfolio-page .chapter::after { content: none; }
html:not(.js) .portfolio-page .deck-pane,
html:not(.js) .portfolio-page .deck-pane[hidden] { display: block !important; margin-bottom: 32px; }
html:not(.js) #gantt,
html:not(.js) .deck-tabs, html:not(.js) .replay, html:not(.js) [data-replay], html:not(.js) [data-carousel] { display: none; }
@media(max-width:1023px) { html.js .site-header .nav-toggle { margin-left: auto; } .site-nav { margin-left: 0; } .home-work-links { grid-template-columns: repeat(2,1fr); } }
@media(max-width:760px) {
 .home-intro,.work-feature,.home-two { grid-template-columns: 1fr; gap: 36px; }
 .home-work-links { grid-template-columns: 1fr; gap: 0; margin-top: 32px; }
 .home-note { max-width: 100%; }
 .credential-list { grid-template-columns: 1fr; }
 .talk-row { grid-template-columns: 1fr; gap: 12px; padding: 32px 0; }
 .talk-date p { margin: 0; }
 .talk-date span { display: inline-block; margin-top: 4px; }
 .footer-row { align-items: flex-start; flex-direction: column; gap: 12px; }
 .footer-row p span { display: block; margin: 6px 0 0; }
 .credential-row { gap: 18px; grid-template-columns: 64px minmax(0,1fr); }
 .credential-row img { width: 64px; height: 64px; }
 .credential-mark { width: 64px; height: 64px; }
 .portfolio-page .hero { padding-block: 48px; }
}