:root {
  /* --bg must stay #f5f5f5: the scene videos were colour-graded to exactly this value so they blend into the page. */
  --bg: #f5f5f5;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --faint: #a3a3a3;
  --line: #d9d9d9;
  --card: #ffffff;
  --accent: #1f3a6b;
  --radius: 18px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Quicksand", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 500;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
img, video { display: block; max-width: 100%; }

/* ---------- Scene stage ---------- */
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--bg);
}
.scene-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}
.scene-layer.is-active { opacity: 1; }
.scene-layer video {
  flex: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}
/*
  Outside 16:10–16:9, filling the screen would crop the puppet or push it into the text column,
  so the video box is sized to the clip and its inner edges are feathered: browsers decode the
  #f5f5f5 background a level or so off, and a soft edge hides that where a hard one would show.
*/
@media (min-aspect-ratio: 16/9) {
  .scene-layer video {
    width: calc(100vh * 16 / 9);
    -webkit-mask-image: linear-gradient(to right, #000 94%, transparent);
    mask-image: linear-gradient(to right, #000 94%, transparent);
  }
}
@media (min-width: 1024px) and (max-aspect-ratio: 159/100) {
  .scene-layer video {
    height: calc(100vw * 9 / 16);
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(to bottom, transparent, #000 5%, #000 95%, transparent);
  }
}

/* ---------- Header & nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px var(--gutter);
  color: #fff;
  mix-blend-mode: difference;
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }
.wordmark {
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  margin: 6px 10px 6px auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform .3s var(--ease), width .3s var(--ease);
}
.menu-toggle span:first-child { width: 24px; }
.menu-toggle span:last-child { width: 16px; }
.menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); width: 22px; }
.menu-open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); width: 22px; }

.site-nav {
  position: fixed;
  top: 28px; right: var(--gutter);
  z-index: 30;
  display: flex;
  gap: 32px;
  height: 28px;
  align-items: center;
  color: #fff;
  mix-blend-mode: difference;
}
.site-nav a {
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  position: relative;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after { transform: scaleX(1); }

/* ---------- Sections ---------- */
main { position: relative; z-index: 1; }

.section {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
}
.section-inner {
  width: 50%;
  margin-left: 50%;
  padding: 140px var(--gutter) 120px clamp(16px, 2vw, 32px);
}

.section-title {
  margin: 0 0 32px;
  font-size: clamp(38px, 4.2vw, 68px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.subhead {
  margin: 56px 0 20px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.muted { color: var(--muted); }

/* Hero */
.section--hero .section-inner { text-align: right; }
.hero-hi { margin: 0 0 8px; font-size: clamp(20px, 1.8vw, 28px); }
.hero-title {
  margin: 0;
  /* 4.5vw keeps the longest line ("Clear decisions out.") on one line inside the 50vw column. */
  font-size: clamp(40px, 4.5vw, 88px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.hero-title span { display: block; }
.hero-sub { margin: 24px 0 0 auto; max-width: 46ch; font-size: clamp(16px, 1.25vw, 19px); color: #3a3a3a; }
.hero-meta { margin-top: clamp(32px, 6vh, 80px); }
.hero-name { margin: 0; font-size: clamp(24px, 2.2vw, 34px); font-weight: 700; letter-spacing: -0.02em; }
.hero-role { margin: 4px 0 0; display: flex; justify-content: flex-end; gap: 40px; color: var(--muted); font-size: 17px; }
.hero-stack { margin: 10px 0 0; font-size: 14px; font-weight: 600; color: var(--faint); }

.hero-title span,
.hero-hi,
.hero-sub,
.hero-meta {
  animation: rise .9s var(--ease) both;
}
.hero-sub { animation-delay: .5s; }
.hero-title span:nth-child(1) { animation-delay: .15s; }
.hero-title span:nth-child(2) { animation-delay: .3s; }
.hero-title span:nth-child(3) { animation-delay: .45s; }
.hero-meta { animation-delay: .7s; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

.scroll-cue {
  position: absolute;
  bottom: 32px;
  right: var(--gutter);
  width: 26px; height: 42px;
  border: 2px solid var(--ink);
  border-radius: 14px;
}
.scroll-cue span {
  position: absolute;
  left: 50%; top: 8px;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--ink);
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* Work */
.works { list-style: none; margin: 0; padding: 0; }
.works > li { border-bottom: 1px solid var(--line); }
.works summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  font-size: clamp(20px, 1.9vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
  transition: transform .3s var(--ease), color .2s;
}
.works summary::-webkit-details-marker { display: none; }
.works summary:hover { transform: translateX(6px); }
.works summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 6px; }
.folder { width: 28px; height: 28px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; }
.works details[open] .folder { fill: var(--ink); }
.work-year { margin-left: auto; font-size: 15px; font-weight: 600; color: var(--faint); }
.work-body { padding: 0 0 24px 44px; color: #3a3a3a; font-size: 17px; }
.work-body p { margin: 0 0 12px; max-width: 56ch; }
.work-stats b { color: var(--ink); }
.work-link { display: inline-block; margin-top: 8px; font-weight: 700; color: var(--accent); text-decoration: none; }
.work-link:hover { text-decoration: underline; }
.work-link + .work-link { margin-left: 20px; }
.inline-link { font-weight: 700; color: var(--accent); text-decoration: none; white-space: nowrap; }
.inline-link:hover { text-decoration: underline; }

.shots {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 16px 0 4px;
  padding: 0;
  max-width: 640px;
}
.shots a { display: block; text-decoration: none; font-size: 13px; font-weight: 700; color: var(--accent); }
.shots img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: top left;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .12);
  margin-bottom: 8px;
  transition: transform .3s var(--ease);
}
.shots a:hover img { transform: translateY(-3px); }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; padding: 0; }
.tags li {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  background: rgba(255, 255, 255, .6);
}

/* Journey */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 10px; bottom: 10px;
  border-left: 2px dashed var(--faint);
}
.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  column-gap: 16px;
  padding: 12px 0;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -27px; top: 19px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--ink);
}
.timeline li:first-child::before { background: var(--ink); }
.tl-year { grid-row: span 2; font-size: 15px; font-weight: 700; color: var(--muted); padding-top: 4px; }
.tl-org { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
.tl-role { color: var(--muted); font-size: 16px; }

.wordmarks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
}
/* A credibility bar of names. Text, not logos: these are other organisations' trademarks. */
.wordmarks li {
  padding: 8px 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .7);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 17px;
  font-weight: 700;
  color: #8d8d8d;
  letter-spacing: -0.01em;
  transition: color .2s, box-shadow .2s;
}
.wordmarks li:hover { color: var(--ink); box-shadow: inset 0 0 0 1px #b9b9b9; }

/* Talks & writing */
.talks { list-style: none; margin: 0; padding: 0; }
.talks li { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.talks li:first-child { padding-top: 0; }
.talk-when { font-size: 14px; font-weight: 700; color: var(--muted); }
.talk-title { font-size: clamp(19px, 1.7vw, 24px); font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
.talk-what { color: #3a3a3a; font-size: 16px; max-width: 56ch; }
.talks .work-link { margin-top: 2px; justify-self: start; }
.articles { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 28px; }
.articles li { break-inside: avoid; padding: 0 0 12px; }
.articles a { font-weight: 600; font-size: 16px; line-height: 1.35; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .3s var(--ease); }
.articles a::after { content: " ↗"; color: var(--accent); }
.articles a:hover { background-size: 100% 1px; }
.teach { margin: 0; font-size: 17px; color: #3a3a3a; max-width: 56ch; }

/* About */
.lead { margin: -8px 0 40px; font-size: 19px; color: #3a3a3a; max-width: 52ch; }
.stack {
  position: relative;
  width: min(300px, 78vw);
  aspect-ratio: 300 / 360;
  touch-action: pan-y;
}
.card {
  position: absolute;
  inset: 0;
  margin: 0;
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .12), 0 2px 6px rgba(0, 0, 0, .06);
  overflow: hidden;
  transition: transform .5s var(--ease), opacity .4s;
  user-select: none;
  -webkit-user-select: none;
}
.card.is-top { cursor: grab; }
.card.is-dragging { transition: none; cursor: grabbing; }
.card--photo img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.card--fact {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
  padding: 28px;
}
.fact-k { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.fact-v { font-size: 17px; color: #3a3a3a; }
.card--quote {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  background: var(--ink);
  color: #fff;
}
.card--quote p { margin: 0; font-size: 21px; font-weight: 600; line-height: 1.35; letter-spacing: -0.01em; }
.card--quote cite { font-style: normal; font-size: 14px; color: #bdbdbd; }
.stack-next {
  margin-top: 24px;
  padding: 8px 0;
  border: 0;
  background: none;
  font: inherit;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
}
.stack-next:hover { text-decoration: underline; }
.tags--skills { margin-top: 28px; }

/* Contact */
.section--contact .section-inner { margin-left: 52%; width: 48%; }
.end-sub { margin: -24px 0 28px; font-size: clamp(18px, 1.6vw, 23px); color: var(--muted); max-width: 40ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.cta-btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s var(--ease);
}
.cta-btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.cta-btn:hover { transform: translateY(-2px); }
.dd-note { margin-left: 10px; font-size: 13px; font-weight: 600; color: var(--faint); white-space: nowrap; }
.contact { margin: 0; }
.contact dt { font-size: 15px; color: var(--muted); margin-top: 22px; }
.contact dd { margin: 2px 0 0; font-size: clamp(22px, 2vw, 30px); font-weight: 700; letter-spacing: -0.015em; overflow-wrap: anywhere; }
.contact dd a { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 2px no-repeat; transition: background-size .3s var(--ease); }
.contact dd a:hover { background-size: 100% 2px; }
.contact .socials { display: flex; gap: 12px; margin-top: 8px; }
.contact .socials a {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  transition: transform .2s var(--ease);
}
.contact .socials a:hover { transform: translateY(-3px); }
.socials svg { width: 22px; height: 22px; fill: currentColor; }


/* ---------- Mobile & tablet ---------- */
@media (max-width: 1023px) {
  .stage { top: auto; height: 50vh; height: 50svh; }
  .scene-layer { align-items: flex-end; justify-content: center; }
  /* Mobile clips are 720×744: fit the box to the clip inside the bottom half and feather the edges. */
  .scene-layer video {
    width: min(100%, calc(50vh * 720 / 744));
    width: min(100%, calc(50svh * 720 / 744));
    height: auto;
    aspect-ratio: 720 / 744;
    object-position: center bottom;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent), linear-gradient(to bottom, transparent, #000 6%);
    -webkit-mask-composite: source-in;
    mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent), linear-gradient(to bottom, transparent, #000 6%);
    mask-composite: intersect;
  }

  .menu-toggle { display: block; }
  .site-nav {
    inset: 0;
    top: 0; right: 0;
    height: auto;
    z-index: 25;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
    padding: var(--gutter);
    background: var(--bg);
    color: var(--ink);
    mix-blend-mode: normal;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
  }
  .site-nav a { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; }
  .menu-open .site-nav { opacity: 1; visibility: visible; }

  .section { align-items: flex-start; padding-bottom: 50svh; }
  .section-inner,
  .section--contact .section-inner {
    width: auto;
    margin: 0;
    padding: 96px var(--gutter) 32px;
  }
  /* Keeps text legible where it scrolls over the fixed puppet. */
  .section:not(.section--hero) .section-inner {
    margin: 0 8px;
    padding: 96px calc(var(--gutter) - 8px) 28px;
    border-radius: 0 0 24px 24px;
    background: linear-gradient(to bottom, rgba(245, 245, 245, .95) calc(100% - 28px), rgba(245, 245, 245, 0));
  }
  /* Contact must fit above the close-up puppet in the bottom half. */
  .section--contact .section-title { margin-bottom: 20px; }
  .end-sub { margin: -12px 0 20px; }
  .contact dt { margin-top: 12px; font-size: 14px; }
  .contact dd { font-size: 20px; }
  .section--hero .section-inner { text-align: left; }
  .hero-role { justify-content: flex-start; gap: 16px; }
  .hero-meta { margin-top: 28px; }
  .scroll-cue { display: none; }
  .work-body { padding-left: 0; }
  .shots { grid-template-columns: 1fr 1fr; }
  .articles { columns: 1; }
  .timeline li { grid-template-columns: 1fr; }
  .tl-year { grid-row: auto; padding-top: 0; }
  .stack { margin: 0 auto; }
  .stack-next { display: block; margin: 20px auto 0; }
  .hero-sub { margin-right: 0; font-size: 16px; }
  /* The stack line would sit over the puppet here; the About section lists the same tools. */
  .hero-stack { display: none; }
  .hero-role { flex-wrap: wrap; gap: 2px 16px; }
  .cta-btn { flex: 1 1 auto; text-align: center; padding: 12px 20px; }
  .cta { margin-bottom: 2px; }
  .section--contact .section-title { font-size: clamp(30px, 8vw, 38px); }
  .end-sub { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
}