/* ==========================================================================
   Dr. Mark Wernsdorfer — Consultancy
   Editorial / Scholarly Quarterly
   ========================================================================== */

/* ------------------------------------- reset + tokens ------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: light;
  scroll-behavior: smooth;
}

html.dark { color-scheme: dark; }

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, ol, ul, dl, dd {
  margin: 0;
}

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

img, svg { display: block; max-width: 100%; }

button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }

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

:root {
  /* Palette — light (ivory + ink) */
  --paper: #EFEAE0;
  --paper-tint: #E6DFD1;
  --paper-deep: #D9D0BE;
  --ink: #181511;
  --ink-soft: #2C2821;
  --mute: #6F6B62;
  --rule: #1815111A;     /* 10% ink hairline */
  --rule-strong: #18151140;
  --accent: #C8371F;     /* vermilion */
  --accent-hover: #A02810;

  /* Type */
  --serif: "Fraunces", "Iowan Old Style", "Palatino", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Scale — major third, editorial */
  --fs-xs:     0.7rem;   /* labels, metadata */
  --fs-sm:     0.82rem;
  --fs-base:   1rem;
  --fs-md:     1.125rem;
  --fs-lg:     1.35rem;
  --fs-xl:     1.8rem;
  --fs-2xl:    2.35rem;
  --fs-3xl:    3.15rem;
  --fs-4xl:    4.2rem;
  --fs-display:clamp(3.2rem, 10vw, 8.5rem);

  /* Spacing */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-8: 3rem;
  --sp-10: 4.5rem;
  --sp-12: 6rem;
  --sp-16: 9rem;

  /* Layout */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --column-max: 78rem;
  --read-max: 38rem;

  --t-fast: 180ms cubic-bezier(.3,.1,.2,1);
  --t-base: 320ms cubic-bezier(.3,.1,.2,1);
  --t-slow: 620ms cubic-bezier(.3,.1,.2,1);
}

html.dark {
  --paper: #14161A;
  --paper-tint: #1B1E24;
  --paper-deep: #24282F;
  --ink: #ECE6DA;
  --ink-soft: #D3CDC0;
  --mute: #7F7A72;
  --rule: #ECE6DA1F;
  --rule-strong: #ECE6DA40;
  --accent: #E86A4B;
  --accent-hover: #F5825E;
}

/* transition-enabled theme swap */
html.transitions-enabled,
html.transitions-enabled body,
html.transitions-enabled *:not(svg):not(path) {
  transition: background-color var(--t-base),
              color var(--t-base),
              border-color var(--t-base),
              fill var(--t-base);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-base);
  line-height: 1.55;
  font-variant-numeric: oldstyle-nums;
  min-height: 100dvh;
  text-rendering: optimizeLegibility;
}

/* Subtle paper grain — purely decorative, very low opacity, pointer-events:none */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 25% 30%, #00000008 0 1px, transparent 1px),
    radial-gradient(circle at 75% 60%, #00000008 0 1px, transparent 1px);
  background-size: 3px 3px, 5px 5px;
  opacity: .4;
  mix-blend-mode: multiply;
}

html.dark body::before {
  background-image:
    radial-gradient(circle at 25% 30%, #ffffff10 0 1px, transparent 1px),
    radial-gradient(circle at 75% 60%, #ffffff08 0 1px, transparent 1px);
  mix-blend-mode: screen;
}

main, header, footer, section { position: relative; z-index: 1; }

/* ------------------------------------- primitives ----------------------- */

.container {
  max-width: var(--column-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.rule { border: 0; border-top: 1px solid var(--rule-strong); margin: 0; }

.hair { border: 0; border-top: 1px solid var(--rule); margin: 0; }

.muted { color: var(--mute); }

.skip-link {
  position: absolute; top: -100px; left: 1rem;
  background: var(--ink); color: var(--paper);
  padding: .5rem .75rem; font: 500 .8rem/1 var(--mono);
  z-index: 100;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ------------------------------------- type ---------------------------- */

.display, h1.display {
  font-family: var(--serif);
  font-weight: 420;
  font-style: normal;
  font-variation-settings: "opsz" 144, "SOFT" 30, "WONK" 0;
  letter-spacing: -0.03em;
  line-height: 0.92;
  font-size: var(--fs-display);
}

.display em, .display i {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80;
  color: var(--accent);
}

.h2, section h2 {
  font-family: var(--serif);
  font-weight: 460;
  font-variation-settings: "opsz" 72;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.03;
  letter-spacing: -.02em;
  margin: 0;
}

.h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "opsz" 48;
  font-size: var(--fs-xl);
  line-height: 1.1;
  letter-spacing: -.012em;
}

.eyebrow, .label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 500;
  color: var(--mute);
}

.chapter {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.chapter::before {
  content: "";
  width: 2.2rem; height: 1px;
  background: currentColor;
}

.prose {
  max-width: var(--read-max);
  font-size: var(--fs-md);
  line-height: 1.62;
  color: var(--ink-soft);
}
.prose p + p { margin-top: 1em; }

.lead {
  font-family: var(--serif);
  font-weight: 380;
  font-variation-settings: "opsz" 72;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.32;
  color: var(--ink-soft);
  letter-spacing: -.005em;
  max-width: 52ch;
}

/* Emphasis link — underline-from-left */
a.link {
  position: relative;
  display: inline-block;
  color: var(--ink);
  font-weight: 500;
  padding-bottom: 2px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--t-base), color var(--t-base);
}
a.link:hover, a.link:focus { background-size: 100% 1px; color: var(--accent); }

a.arrow::after {
  content: " →";
  font-family: var(--mono);
  transition: transform var(--t-base);
  display: inline-block;
  margin-left: .35em;
}
a.arrow:hover::after { transform: translateX(4px); }

/* ------------------------------------- buttons ------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  padding: .95em 1.4em;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background var(--t-base), color var(--t-base), border-color var(--t-base), transform var(--t-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover, .btn:focus { background: var(--accent); border-color: var(--accent); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost:hover, .btn--ghost:focus { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.btn--small { padding: .55em 1em; font-size: .72rem; }

/* ------------------------------------- header -------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  padding: var(--sp-4) var(--gutter);
  max-width: var(--column-max);
  margin-inline: auto;
}

.brand {
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "opsz" 36;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: .7rem;
}

.brand__mark {
  width: 28px; height: 28px;
  border: 1.5px solid var(--ink);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: 0;
  color: var(--ink);
  background: transparent;
  transition: background var(--t-base), color var(--t-base);
}
.brand:hover .brand__mark { background: var(--ink); color: var(--paper); }

.brand__name { color: var(--ink); }
.brand__name em { font-style: italic; color: var(--accent); font-weight: 400; }

.site-nav {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
  align-items: center;
}
.site-nav a {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
  padding: .25em 0;
  position: relative;
  transition: color var(--t-fast);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::before {
  content: "§"; color: var(--accent);
  margin-right: .35em;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: var(--sp-4);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  gap: .35em;
}
.lang-switch a { color: var(--mute); padding: .1em .25em; }
.lang-switch a[aria-current="true"] { color: var(--ink); border-bottom: 1px solid var(--accent); }
.lang-switch span { color: var(--rule-strong); }

.theme-toggle {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.theme-toggle:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.theme-toggle svg { width: 15px; height: 15px; }
.theme-toggle .icon-sun { display: none; }
html.dark .theme-toggle .icon-moon { display: none; }
html.dark .theme-toggle .icon-sun { display: block; }

@media (max-width: 820px) {
  .site-nav { display: none; }
}

/* ------------------------------------- masthead / hero ----------------- */

.masthead {
  padding-top: var(--sp-10);
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.masthead__meta {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--sp-4);
  padding-bottom: var(--sp-6);
}

.masthead__meta .label { display: flex; align-items: baseline; gap: .8em; }

.masthead__title {
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-8);
}

.masthead__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.18em; /* allow descenders of serif display type */
}

.masthead__title .line span {
  display: block;
  transform: translateY(110%);
  animation: reveal-up 900ms cubic-bezier(.2,.7,.2,1) forwards;
}
.masthead__title .line:nth-child(2) span { animation-delay: 100ms; }
.masthead__title .line:nth-child(3) span { animation-delay: 200ms; }

@keyframes reveal-up {
  to { transform: translateY(0); }
}

.masthead__strip {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-4);
  align-items: start;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--rule-strong);
}

.masthead__strip .col-lede { grid-column: span 7; }
.masthead__strip .col-cta  { grid-column: span 5; display: flex; justify-content: flex-end; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }

@media (max-width: 760px) {
  .masthead__strip .col-lede, .masthead__strip .col-cta { grid-column: span 12; }
  .masthead__strip .col-cta { justify-content: flex-start; }
}

/* ------------------------------------- TOC / editorial ----------------- */

.contents {
  padding-block: var(--sp-10);
  border-bottom: 1px solid var(--rule);
}

.contents__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--sp-8);
}
@media (max-width: 760px) { .contents__grid { grid-template-columns: 1fr; gap: var(--sp-4);} }

.contents__header .eyebrow { margin-bottom: var(--sp-2); display: inline-block; }

.contents__list dl {
  display: grid;
  grid-template-columns: 2.5rem minmax(0,1fr) auto;
  align-items: baseline;
  gap: 0 var(--sp-5);
  row-gap: 0;
}
.contents__list dt, .contents__list dd {
  border-top: 1px solid var(--rule);
  padding: 1.1rem 0;
}
.contents__list dt.__no-border, .contents__list dd.__no-border { border-top: 0; }

.contents__list dt {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--mute);
  letter-spacing: .02em;
}

.contents__list dd.title {
  font-family: var(--serif);
  font-weight: 450;
  font-variation-settings: "opsz" 48;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  letter-spacing: -.01em;
  color: var(--ink);
}

.contents__list dd.page {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--mute);
  letter-spacing: .08em;
  text-align: right;
  min-width: 3rem;
}

.contents__list a {
  display: contents;
}
.contents__list a:hover dd.title { color: var(--accent); }
.contents__list a:hover dd.page  { color: var(--accent); }

/* ------------------------------------- section frame ------------------ */

.section {
  padding-block: var(--sp-12);
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--sp-8);
  margin-bottom: var(--sp-10);
}
@media (max-width: 760px) { .section__head { grid-template-columns: 1fr; gap: var(--sp-4); } }

.section__head .chapter { align-self: start; }

.section__head h2 { max-width: 18ch; }

/* ------------------------------------- services grid ------------------ */

.offer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
@media (max-width: 1000px) { .offer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px)  { .offer-grid { grid-template-columns: 1fr; } }

.offer {
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-height: 17rem;
  position: relative;
  transition: background var(--t-base);
}

.offer:hover { background: var(--paper-tint); }

.offer__num {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  color: var(--accent);
}
.offer__title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 36;
  font-weight: 480;
  font-size: 1.45rem;
  line-height: 1.12;
  letter-spacing: -.008em;
}
.offer__body {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
}
.offer__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--rule);
}
.offer__foot a {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.offer__foot a:hover { color: var(--accent); }

/* decorative corner bracket */
.offer::before, .offer::after {
  content: "";
  position: absolute;
  width: 9px; height: 9px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0;
  transition: opacity var(--t-base);
}
.offer::before { top: 6px; left: 6px; border-width: 1px 0 0 1px; }
.offer::after  { bottom: 6px; right: 6px; border-width: 0 1px 1px 0; }
.offer:hover::before, .offer:hover::after { opacity: 1; }

/* ------------------------------------- portfolio list ----------------- */

.works {
  display: grid;
  gap: 0;
}

.work {
  display: grid;
  grid-template-columns: 5rem 1fr 14rem;
  gap: var(--sp-5);
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--rule-strong);
  align-items: baseline;
  transition: padding var(--t-base);
}
.work:last-child { border-bottom: 1px solid var(--rule-strong); }

.work__year {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  color: var(--mute);
  letter-spacing: .04em;
  white-space: nowrap;
  padding-top: .35em;
}

.work__title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 72;
  font-weight: 450;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  letter-spacing: -.014em;
  line-height: 1.04;
  margin-bottom: .45em;
  transition: color var(--t-base);
}
.work__desc { color: var(--ink-soft); max-width: 54ch; font-size: var(--fs-md); line-height: 1.55; }

.work__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .55em;
  margin-top: var(--sp-3);
}
.work__tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35em .65em;
  border: 1px solid var(--rule-strong);
  color: var(--mute);
  border-radius: 0;
}

.work__meta {
  text-align: right;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--mute);
  line-height: 1.7;
}
.work__meta strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .64rem;
  margin-top: .6em;
}
.work__meta strong:first-child { margin-top: 0; }

.work:hover .work__title { color: var(--accent); }

/* video facade — click to load YouTube iframe (GDPR-friendly) */
.work__video {
  display: block;
  width: 100%;
  max-width: 36rem;
  margin-top: var(--sp-4);
  aspect-ratio: 16 / 9;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background: var(--paper-deep);
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
}
.work__video img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-base), filter var(--t-base);
  filter: saturate(.9) contrast(1.02);
}
.work__video:hover img { transform: scale(1.02); filter: none; }
.work__video::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,0) 60%, rgba(0,0,0,.45) 100%);
}
.work__video .play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  display: grid; place-items: center;
  transition: transform var(--t-base), background var(--t-base);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
  z-index: 2;
}
.work__video:hover .play { transform: translate(-50%, -50%) scale(1.08); background: var(--accent-hover); }
.work__video .play svg { width: 24px; height: 24px; fill: currentColor; margin-left: 3px; }
.work__video .v-label {
  position: absolute;
  bottom: var(--sp-3);
  left: var(--sp-3);
  right: var(--sp-3);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #F2EBDE;
  text-shadow: 0 1px 3px rgba(0,0,0,.5);
  z-index: 2;
}
.work__video iframe {
  width: 100%; height: 100%;
  border: 0;
  display: block;
}
.work__video[data-playing="true"] { cursor: default; }
.work__video[data-playing="true"] > :not(iframe) { display: none; }

@media (max-width: 900px) {
  .work { grid-template-columns: 4rem 1fr; }
  .work__meta { grid-column: 2; text-align: left; margin-top: var(--sp-3); }
}
@media (max-width: 560px) {
  .work { grid-template-columns: 1fr; gap: var(--sp-2); }
  .work__meta { grid-column: 1; }
}

/* ------------------------------------- marquee / partners ------------- */

.partners {
  padding-block: var(--sp-10);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.partners__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--rule);
}

.partners__head h3 {
  font-family: var(--serif);
  font-weight: 450;
  font-variation-settings: "opsz" 48;
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  letter-spacing: -.012em;
  margin: 0;
}

.marquee {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 72s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__item {
  flex: 0 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .8rem;
  min-width: 14rem;
  border-right: 1px solid var(--rule);
}

.marquee__item img {
  height: 40px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.05);
  opacity: .65;
  transition: filter var(--t-base), opacity var(--t-base);
}
html.dark .marquee__item img { filter: grayscale(1) invert(.9) contrast(.95); opacity: .55; }

.marquee__item:hover img {
  filter: none;
  opacity: 1;
}
.marquee__item small {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ------------------------------------- pull quote --------------------- */

.pullquote {
  padding-block: var(--sp-12);
  border-bottom: 1px solid var(--rule);
  text-align: left;
  max-width: 52rem;
}
.pullquote__mark {
  font-family: var(--serif);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  font-size: 6rem;
  line-height: 0.6;
  color: var(--accent);
  display: block;
  margin-bottom: var(--sp-4);
}
.pullquote blockquote {
  font-family: var(--serif);
  font-weight: 380;
  font-variation-settings: "opsz" 72;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.22;
  letter-spacing: -.014em;
  color: var(--ink);
}
.pullquote cite {
  display: block;
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--rule);
  font-style: normal;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}
.pullquote cite b { color: var(--ink); font-weight: 500; margin-right: .5em; }

/* ------------------------------------- references grid --------------- */

.refs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
}
@media (max-width: 760px) { .refs { grid-template-columns: 1fr; } }

.ref {
  border-top: 2px solid var(--ink);
  padding-top: var(--sp-4);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--sp-3);
}
.ref__name {
  font-family: var(--serif);
  font-variation-settings: "opsz" 36;
  font-weight: 500;
  font-size: var(--fs-md);
  line-height: 1.2;
}
.ref__aff {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: -.3em;
}
.ref__quote {
  font-style: italic;
  font-family: var(--serif);
  font-variation-settings: "opsz" 24;
  font-weight: 380;
  font-size: var(--fs-md);
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ------------------------------------- about / profile ---------------- */

.profile {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--sp-8);
  align-items: start;
}
@media (max-width: 860px) { .profile { grid-template-columns: 1fr; } }

.profile__image {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--paper-deep);
  overflow: hidden;
  border: 1px solid var(--rule-strong);
}
.profile__image img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.05) saturate(.85);
}
.profile__image::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 80%, var(--paper) 100%);
  mix-blend-mode: multiply;
}

.profile__caption {
  position: absolute;
  bottom: var(--sp-3);
  left: var(--sp-3);
  right: var(--sp-3);
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper);
  mix-blend-mode: difference;
  pointer-events: none;
}

.profile__body p + p { margin-top: 1.2em; }

.credentials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: var(--sp-6);
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
@media (max-width: 540px) { .credentials { grid-template-columns: 1fr; } }

.credential {
  padding: var(--sp-4);
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.credential__num {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--accent);
}
.credential__value {
  font-family: var(--serif);
  font-variation-settings: "opsz" 36;
  font-weight: 500;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -.01em;
  line-height: 1;
}
.credential__label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mute);
  text-transform: uppercase;
  margin-top: .3em;
}

/* ------------------------------------- timeline ----------------------- */

.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.timeline__row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--sp-6);
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.timeline__row:first-child { border-top: 1px solid var(--rule-strong); }
.timeline__row:last-child { border-bottom: 1px solid var(--rule-strong); }

.timeline__year {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: .06em;
  color: var(--mute);
  padding-top: .3em;
}
.timeline__title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 36;
  font-weight: 480;
  font-size: var(--fs-lg);
  letter-spacing: -.008em;
  line-height: 1.18;
  margin-bottom: .3em;
}
.timeline__org {
  font-family: var(--mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: .6em;
  display: block;
}
.timeline__desc {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
  max-width: 58ch;
}

@media (max-width: 620px) {
  .timeline__row { grid-template-columns: 1fr; gap: var(--sp-2); }
}

/* ------------------------------------- contact ------------------------ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  padding: var(--sp-6);
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.contact-card__label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--mute);
}
.contact-card__value {
  font-family: var(--serif);
  font-variation-settings: "opsz" 48;
  font-weight: 480;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  letter-spacing: -.01em;
  word-break: break-word;
}
.contact-card__note {
  margin-top: auto;
  padding-top: var(--sp-3);
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--mute);
  letter-spacing: .06em;
}
.contact-card a { display: inline-flex; }
.contact-card:hover .contact-card__value { color: var(--accent); }

.imprint {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 44rem;
}
.imprint dt { font-family: var(--mono); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--mute); margin-top: 1em; }
.imprint dt:first-child { margin-top: 0; }
.imprint dd { margin-left: 0; }

/* ------------------------------------- filters (projects) ------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  padding-block: var(--sp-4);
  margin-bottom: var(--sp-8);
}
.filter {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35em .8em;
  color: var(--mute);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-fast);
}
.filter:hover { color: var(--ink); }
.filter[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); }

/* ------------------------------------- footer ------------------------ */

.site-footer {
  padding-block: var(--sp-10);
  border-top: 1px solid var(--rule-strong);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: var(--sp-8);
}
@media (max-width: 760px) { .site-footer__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 440px) { .site-footer__inner { grid-template-columns: 1fr; } }

.site-footer h4 {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--mute);
  margin: 0 0 var(--sp-3) 0;
  font-weight: 500;
}
.site-footer ul { display: grid; gap: .55em; }
.site-footer a { color: var(--ink-soft); transition: color var(--t-fast); }
.site-footer a:hover { color: var(--accent); }

.site-footer__colophon {
  margin-top: var(--sp-8);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--mute);
  letter-spacing: .08em;
  flex-wrap: wrap;
}

.site-footer .brand__name { font-size: var(--fs-lg); display: block; margin-bottom: var(--sp-3); }
.site-footer .lede { color: var(--ink-soft); font-size: var(--fs-sm); max-width: 32ch; }

/* ------------------------------------- form --------------------------- */

.form {
  display: grid;
  gap: var(--sp-4);
  max-width: 36rem;
}

.form__field {
  display: grid;
  gap: .3rem;
}
.form label {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}
.form input, .form textarea {
  font: inherit;
  font-size: var(--fs-md);
  font-family: var(--serif);
  font-variation-settings: "opsz" 24;
  padding: .7rem 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  color: var(--ink);
  border-radius: 0;
  transition: border-color var(--t-base);
}
.form input:focus, .form textarea:focus {
  outline: 0;
  border-bottom-color: var(--accent);
}
.form textarea { resize: vertical; min-height: 7rem; }

/* ------------------------------------- mobile bottom nav -------------- */

.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-top: 1px solid var(--rule-strong);
  padding: .6rem env(safe-area-inset-right) calc(.6rem + env(safe-area-inset-bottom)) env(safe-area-inset-left);
}
.mobile-nav ul {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}
.mobile-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: .4rem 0;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
}
.mobile-nav a[aria-current="page"] { color: var(--accent); }
.mobile-nav svg { width: 18px; height: 18px; }

@media (max-width: 820px) {
  .mobile-nav { display: block; }
  body { padding-bottom: 4.5rem; }
}

/* ------------------------------------- reveal ------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms cubic-bezier(.2,.6,.2,1),
              transform 700ms cubic-bezier(.2,.6,.2,1);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .masthead__title .line span { opacity: 1; transform: none; animation: none; }
  .marquee__track { animation: none; }
}

/* ------------------------------------- misc utilities ----------------- */

.u-flow > * + * { margin-top: var(--sp-4); }
.u-flow-lg > * + * { margin-top: var(--sp-6); }
.u-right { text-align: right; }
.u-center { text-align: center; }
.u-hide { display: none !important; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  align-items: center;
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .6rem;
  list-style: none;
  padding: 0; margin: 0;
}
.inline-list li {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .35em .7em;
  border: 1px solid var(--rule-strong);
  color: var(--mute);
}

.checklist { display: grid; gap: .6em; margin-top: var(--sp-3); }
.checklist li {
  padding-left: 1.8em;
  position: relative;
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
}
.checklist li::before {
  content: "§";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 1em;
  font-weight: 500;
}

.dot { color: var(--rule-strong); }

/* Process row */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
@media (max-width: 760px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 440px) { .process { grid-template-columns: 1fr; } }

.process__step {
  padding: var(--sp-5);
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-height: 11rem;
}
.process__num {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--accent);
}
.process__title {
  font-family: var(--serif);
  font-variation-settings: "opsz" 36;
  font-weight: 480;
  font-size: 1.3rem;
  letter-spacing: -.005em;
  line-height: 1.15;
}
.process__desc {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.5;
}
.process__meta {
  margin-top: auto;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .1em;
  color: var(--mute);
  text-transform: uppercase;
}

/* large closing CTA */
.closing {
  padding-block: var(--sp-12);
  text-align: left;
}
.closing h2 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  max-width: 18ch;
  margin-bottom: var(--sp-5);
}
.closing .cta-row { margin-top: var(--sp-6); }

/* vertical margin label */
.margin-label {
  position: absolute;
  top: 50%;
  left: calc(var(--gutter) * -0.6);
  transform: rotate(-90deg) translateY(-50%);
  transform-origin: left top;
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rule-strong);
  pointer-events: none;
  white-space: nowrap;
}
@media (max-width: 1200px) { .margin-label { display: none; } }

/* breadcrumb */
.breadcrumb {
  display: flex;
  gap: .5em;
  padding: var(--sp-3) 0;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mute);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current="page"] { color: var(--ink); }
.breadcrumb li + li::before { content: "/"; margin-right: .5em; color: var(--rule-strong); }

/* Print — approximate */
@media print {
  .site-header, .mobile-nav, .site-footer, .marquee { display: none; }
  body { background: white; color: black; }
}