/*
 * Screen-only editorial composition for the four-project portfolio.
 * The content and square-page print composition remain owned by their sources.
 */
@media screen {
  html[data-preview-mode="full"] {
    scroll-padding-top: 0;
  }

  .portfolio-preview {
    --bg: #fff;
    --card: #fff;
    --tx: #17231e;
    --tx2: #5b655f;
    --tx3: #78847d;
    --green: #0b6950;
    --green-soft: #0b6950;
    --green-bg: #f2f5f3;
    --line: #dde4df;
    --line2: #dde4df;
    --maxw: 1200px;
    --editorial-measure: 720px;
    --editorial-rail: 160px;
    --editorial-gap: 32px;
    background: #fff;
    color: var(--tx);
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .wrap {
    width: 100%;
    max-width: var(--maxw);
    padding-inline: 40px;
  }

  .portfolio-preview :is(a, button):focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 4px;
  }

  /* One quiet, fixed navigation bar, shared by every chapter. */
  .portfolio-preview .portfolio-nav {
    background: #fff;
    border-bottom: 1px solid var(--line);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .portfolio-preview .portfolio-nav .wrap {
    max-width: var(--maxw);
    min-height: 64px;
    height: 64px;
    gap: 32px;
  }

  .portfolio-preview .portfolio-nav .logo {
    color: var(--tx);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0;
    text-decoration: none;
  }

  .portfolio-preview .portfolio-nav .logo span {
    margin-left: 8px;
    color: var(--tx2);
    font-size: 12px;
    font-weight: 400;
  }

  .portfolio-preview .portfolio-nav .links {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
  }

  .portfolio-preview .portfolio-nav .links a {
    padding-block: 20px;
    color: var(--tx2);
  }

  .portfolio-preview .portfolio-nav .links a:hover,
  .portfolio-preview .portfolio-nav .links a[aria-current="location"] {
    color: var(--green);
  }

  .portfolio-preview .portfolio-nav .links a::after {
    bottom: 0;
  }

  .portfolio-preview .portfolio-nav .preview-pdf-link {
    color: var(--tx);
    font-weight: 600;
  }

  .portfolio-preview .reading-progress {
    height: 1px;
  }

  /* The opening pairs a compact project index with one real product screen. */
  .portfolio-preview .hero {
    --index-width: 280px;
    --column-gap: 36px;
    width: 100%;
    max-width: 1160px;
    height: auto;
    min-height: 0;
    display: block;
    padding: 112px 40px 48px;
  }

  .portfolio-preview .hero::before,
  .portfolio-preview .hero .eyebrow::before {
    content: none;
  }

  .portfolio-preview .hero-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: start;
    animation: none;
  }

  .portfolio-preview .hero-title {
    padding-top: 0;
  }

  .portfolio-preview .hero .eyebrow {
    margin-bottom: 12px;
    color: var(--tx2);
    font-family: var(--font);
    font-size: 12px;
    letter-spacing: .025em;
    line-height: 1.5;
  }

  .portfolio-preview .hero h1 {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: none;
    margin: 0;
    font-size: 56px;
    font-weight: 750;
    letter-spacing: -.045em;
    line-height: 1.18;
    white-space: nowrap;
  }

  .portfolio-preview .hero-name {
    order: 1;
    display: block;
    margin: 16px 0 0;
    font-size: 23px;
    font-weight: 500;
    letter-spacing: .02em;
    line-height: 1.5;
  }

  .portfolio-preview .hero-about {
    min-width: 0;
    padding-top: 4px;
  }

  .portfolio-preview .hero .sub {
    max-width: none;
    margin: 0 0 18px;
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .hero .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .portfolio-preview .btn,
  .portfolio-preview .hero .meta .btn {
    min-height: 40px;
    padding: 9px 16px;
    border-radius: 4px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--tx);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.6;
    box-shadow: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
  }

  .portfolio-preview .btn:hover {
    color: var(--green);
    border-color: var(--green);
    transform: none;
  }

  .portfolio-preview .btn.primary {
    border-color: var(--green);
    color: #fff;
    background: var(--green);
  }

  .portfolio-preview .btn.primary:hover {
    background: #08543f;
    border-color: #08543f;
    color: #fff;
  }

  .portfolio-preview .print-overview {
    display: none;
  }

  .portfolio-preview .project-exhibit {
    display: grid;
    grid-template-columns: var(--index-width) minmax(0, 1fr);
    gap: var(--column-gap);
    align-items: start;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
    animation: none;
  }

  .portfolio-preview .index-label {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
  }

  .portfolio-preview .index-label span {
    color: var(--tx3);
    font-size: 11px;
    font-weight: 400;
  }

  .portfolio-preview .project-tabs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    counter-reset: portfolio-project;
  }

  .portfolio-preview .project-tab {
    counter-increment: portfolio-project;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 5px 12px;
    width: 100%;
    min-height: 96px;
    margin: 0;
    padding: 20px 24px 20px 12px;
    border: 0;
    border-top: 1px solid var(--line);
    border-left: 3px solid transparent;
    border-radius: 0;
    background: none;
    color: var(--tx);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    transition: color .18s ease, border-color .18s ease;
  }

  .portfolio-preview .project-tab:first-child {
    border-top-color: transparent;
  }

  .portfolio-preview .project-tab::before {
    content: counter(portfolio-project, decimal-leading-zero);
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: start;
    position: static;
    inset: auto;
    z-index: auto;
    background: none;
    color: var(--tx3);
    font-size: 26px;
    font-weight: 500;
    line-height: 1.2;
    transform: none;
    transition: color .18s ease;
  }

  .portfolio-preview .project-tab[aria-selected="true"] {
    border-left-color: var(--green);
    color: var(--tx);
    background: none;
  }

  .portfolio-preview .project-tab[aria-selected="true"]::before {
    color: var(--green);
    transform: none;
  }

  .portfolio-preview .project-tab strong {
    grid-column: 2;
    display: block;
    font-size: 17px;
    font-weight: 650;
    letter-spacing: -.025em;
    line-height: 1.5;
  }

  .portfolio-preview .tab-context {
    display: none;
  }

  .portfolio-preview .tab-subtitle {
    grid-column: 2;
    display: block;
    margin-top: 0;
    color: var(--tx2);
    font-size: 12px;
    line-height: 1.65;
    text-wrap: balance;
  }

  .portfolio-preview .tab-subtitle .nowrap { white-space: nowrap; }

  .portfolio-preview .project-tab svg {
    display: block;
    right: 3px;
    top: 25px;
    width: 15px;
    height: 15px;
    opacity: .5;
    color: var(--tx2);
    transform: none;
  }

  .portfolio-preview .project-tab[aria-selected="true"] svg {
    opacity: 1;
    color: var(--green);
    transform: none;
  }

  .portfolio-preview .exhibit-stage {
    display: grid;
    perspective: none;
    overflow: visible;
  }

  .portfolio-preview .preview-panel {
    grid-template-rows: auto auto;
    transform: none;
    transition: opacity .18s ease, visibility 0s .18s;
  }

  .portfolio-preview .preview-panel.is-active {
    transform: none;
    transition: opacity .18s ease;
  }

  .portfolio-preview .preview-surface {
    display: grid;
    aspect-ratio: 16 / 9;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 6px;
    background: #fff;
    perspective: none;
  }

  .portfolio-preview .preview-image {
    width: 100%;
    height: 100%;
    display: flex;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    box-shadow: none;
    transform: none;
    transform-style: flat;
    transition: border-color .18s ease;
  }

  .portfolio-preview .preview-image:hover {
    border-color: #b9c9bf;
    box-shadow: none;
    transform: none;
  }

  .portfolio-preview .preview-image img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
  }

  .portfolio-preview .preview-caption {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    min-height: 0;
    padding-top: 16px;
  }

  .portfolio-preview .preview-caption p {
    max-width: 540px;
    color: var(--tx2);
    font-size: 13px;
    line-height: 1.75;
  }

  .portfolio-preview .preview-caption a {
    margin-top: 0;
    font-size: 13px;
    line-height: 1.75;
  }

  .portfolio-preview .preview-zoom {
    right: 12px;
    bottom: 12px;
    border-radius: 4px;
    box-shadow: none;
    font-size: 12px;
  }

  /* Every case is one continuous document, with a local chapter directory. */
  .portfolio-preview > section {
    margin: 0;
    padding: 56px 0 0;
    border-top: 1px solid var(--line);
    scroll-margin-top: 64px;
  }

  .portfolio-preview > section:not(#drama) {
    margin-top: 0;
  }

  .portfolio-preview > section > .wrap {
    display: grid;
    grid-template-columns: var(--editorial-rail) minmax(0, 1fr);
    gap: var(--editorial-gap);
    align-items: start;
  }

  .portfolio-preview .case-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    min-width: 0;
    min-height: 360px;
    padding: 0 20px 24px 0;
    border-right: 1px solid var(--line);
  }

  .portfolio-preview .case-rail-title {
    margin: 0 0 24px;
    color: var(--tx);
    font-size: 17px;
    font-weight: 650;
    letter-spacing: -.015em;
    line-height: 1.6;
    overflow-wrap: anywhere;
    text-wrap: balance;
  }

  .portfolio-preview .case-rail-nav {
    position: static;
    inset: auto;
    z-index: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: auto;
    background: none;
    border: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .portfolio-preview .case-rail-nav a {
    display: block;
    padding: 9px 0 9px 13px;
    border-left: 3px solid transparent;
    color: var(--tx2);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.65;
    /* The legacy screen stylesheet marks every section link as underlined. */
    text-decoration: none !important;
    transition: color .18s ease, border-color .18s ease;
  }

  .portfolio-preview .case-rail-nav a:hover {
    color: var(--green);
  }

  .portfolio-preview .case-rail-nav a:is([aria-current="location"], [aria-current="true"], [aria-current="page"]) {
    color: var(--green);
    border-left-color: var(--green);
    font-weight: 650;
  }

  .portfolio-preview .case-body {
    min-width: 0;
    width: 100%;
  }

  .portfolio-preview .case-body > .page:not(.first):not(:has(footer)) {
    display: block;
    width: 100%;
    margin: 0;
    padding: 48px 0;
    border: 0;
    border-radius: 0;
    background: #fff;
    box-shadow: none;
    scroll-margin-top: 96px;
  }

  .portfolio-preview .case-body > .page + .page:not(.first):not(:has(footer)) {
    border-top: 1px solid var(--line);
  }

  .portfolio-preview :is(#drama, #advertising, #walk, #toudi) .case-body > .page.case-cover {
    padding-top: 0;
    border-top: 0;
  }

  .portfolio-preview .case-cover :is(.p8grid, .lcol) {
    display: contents;
  }

  .portfolio-preview .sec-head,
  .portfolio-preview .case-head {
    max-width: none;
    padding: 0;
    margin: 0 0 24px;
    border: 0;
  }

  .portfolio-preview .sec-head::before {
    content: none;
  }

  .portfolio-preview .sec-num {
    margin: 0 0 10px;
    color: var(--green);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .015em;
    line-height: 1.6;
  }

  .portfolio-preview .sec-head h2,
  .portfolio-preview .case-head h3 {
    max-width: none;
    margin: 0 0 12px;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -.025em;
    line-height: 1.4;
  }

  .portfolio-preview .case-cover .sec-head h2 {
    margin-bottom: 14px;
    font-size: 38px;
    font-weight: 750;
    letter-spacing: -.035em;
    line-height: 1.3;
  }

  .portfolio-preview .case-cover .title-secondary {
    display: inline-block;
    color: var(--tx2);
    font-size: .58em;
    font-weight: 450;
    letter-spacing: 0;
    white-space: nowrap;
  }

  .portfolio-preview .sec-head .lede,
  .portfolio-preview .case-head > p {
    max-width: var(--editorial-measure);
    margin: 0;
    color: var(--tx2);
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .case-cover .sec-head .lede {
    max-width: 800px;
    font-size: 17px;
  }

  .portfolio-preview .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin: 18px 0 0;
  }

  .portfolio-preview .tag,
  .portfolio-preview .tag.hl {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    color: var(--tx2);
    font-size: 12px;
    letter-spacing: 0;
    line-height: 1.7;
  }

  .portfolio-preview .tag + .tag::before {
    content: "·";
    margin-right: 16px;
    color: #a2ada6;
  }

  .portfolio-preview .prose {
    max-width: var(--editorial-measure);
  }

  .portfolio-preview .prose h3 {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 650;
    line-height: 1.45;
  }

  .portfolio-preview .prose p,
  .portfolio-preview .story-columns p,
  .portfolio-preview .story-result-copy p,
  .portfolio-preview .case-example {
    margin: 0 0 10px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--tx2);
  }

  .portfolio-preview .prose p:last-child {
    margin-bottom: 0;
  }

  .portfolio-preview .case-background.case-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
    gap: 24px 32px;
    margin: 28px 0 0;
    padding: 24px 0 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .case-background.case-facts .case-fact h3 {
    margin: 0 0 10px;
    color: var(--green);
    font-size: 19px;
    font-weight: 650;
    line-height: 1.5;
  }

  .portfolio-preview .case-facts .case-fact p,
  .portfolio-preview .case-facts .case-fact .story-list {
    margin-top: 0;
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .case-fact:nth-child(2) {
    padding-left: 28px;
    border-left: 1px solid var(--line);
  }

  .portfolio-preview .case-fact:nth-child(3) {
    grid-column: 1 / -1;
    max-width: var(--editorial-measure);
  }

  .portfolio-preview .case-facts .case-foundation {
    grid-column: 1 / -1;
    max-width: var(--editorial-measure);
    margin: 0;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .case-foundation h4 {
    margin-bottom: 8px;
    font-size: 17px;
    line-height: 1.6;
  }

  .portfolio-preview .case-cover .case-work {
    display: block;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .case-cover .case-work > h3,
  .portfolio-preview .case-cover .case-work > .prose > h3 {
    margin: 0 0 14px;
    color: var(--tx);
    font-size: 22px;
    font-weight: 650;
    line-height: 1.45;
  }

  /* Actual screens are presented directly, without browser or device furniture. */
  .portfolio-preview .shot,
  .portfolio-preview .prototype-diagram {
    width: 100%;
    max-width: 100%;
    margin: 24px 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    box-shadow: none;
    transform: none;
    transition: none;
  }

  .portfolio-preview .shot:hover,
  .portfolio-preview .page:not(.first):not(:has(footer)) .shot {
    box-shadow: none;
    transform: none;
  }

  .portfolio-preview .shot .bar {
    display: none;
  }

  .portfolio-preview .shot img,
  .portfolio-preview .prototype-diagram img {
    display: block;
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
  }

  .portfolio-preview .case-cover > .case-hero,
  .portfolio-preview #toudi .case-cover > .case-hero {
    max-width: 100%;
    margin: 24px 0 0;
  }

  .portfolio-preview .shot .cap {
    display: block;
    padding: 12px 16px;
    border-top: 1px solid var(--line);
    background: #fff;
    color: var(--tx2);
    font-size: 13px;
    line-height: 1.75;
  }

  .portfolio-preview .shot .cap b {
    display: inline;
    margin-right: 10px;
    color: var(--green);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0;
    line-height: inherit;
    white-space: normal;
  }

  .portfolio-preview .image-expand {
    display: block;
    width: 100%;
    padding: 0;
    border-radius: 0;
    background: #fff;
  }

  .portfolio-preview .image-expand img,
  .portfolio-preview .image-expand:hover img {
    filter: none;
  }

  .portfolio-preview .image-expand .zoom-label {
    border-radius: 4px;
    box-shadow: none;
    font-size: 12px;
  }

  .portfolio-preview .shot-grid,
  .portfolio-preview .p3grid,
  .portfolio-preview #walk .p9 .shot-grid,
  .portfolio-preview #toudi .toudi-pair {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 24px;
    margin: 24px 0;
  }

  .portfolio-preview .shot-grid > .shot,
  .portfolio-preview .p3grid .shot,
  .portfolio-preview #toudi .toudi-pair .shot {
    margin: 0;
  }

  .portfolio-preview .p3grid .span {
    grid-column: auto;
  }

  .portfolio-preview #walk .p9 .shot-grid > div:not(.shot) {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  /* A narrow text column accompanies a dominant, fully legible desktop screen. */
  .portfolio-preview .editorial-step,
  .portfolio-preview #toudi .toudi-session-step {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 24px 0;
    margin: 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .editorial-step:first-child,
  .portfolio-preview #toudi .toudi-session-step:first-child {
    border-top: 0;
    padding-top: 0;
  }

  .portfolio-preview .editorial-copy {
    min-width: 0;
    padding-top: 3px;
  }

  .portfolio-preview .editorial-copy h3,
  .portfolio-preview .editorial-copy h4,
  .portfolio-preview #toudi .toudi-session-step h4 {
    margin: 0 0 12px;
    color: var(--tx);
    font-size: 18px;
    font-weight: 650;
    line-height: 1.55;
  }

  .portfolio-preview .editorial-copy p,
  .portfolio-preview #toudi .toudi-session-step p {
    margin: 0 0 10px;
    color: var(--tx2);
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .editorial-copy p:last-child {
    margin-bottom: 0;
  }

  .portfolio-preview .editorial-copy h3 {
    font-size: 20px;
    line-height: 1.5;
  }

  .portfolio-preview .editorial-copy h4:not(:first-child) {
    margin-top: 24px;
  }

  .portfolio-preview .editorial-step > .shot,
  .portfolio-preview .editorial-step > figure,
  .portfolio-preview #toudi .toudi-session-step > .shot {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .portfolio-preview .editorial-steps,
  .portfolio-preview #toudi .toudi-session-steps {
    display: block;
    margin: 24px 0 0;
  }

  /* Keep previous source structures readable while they adopt paired markup. */
  .portfolio-preview #advertising .ad-authoring-intake {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin: 24px 0;
  }

  .portfolio-preview #advertising .ad-authoring-intake > .ad-step-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .portfolio-preview #advertising .ad-authoring-intake > .shot {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }

  .portfolio-preview #advertising .ad-authoring-main,
  .portfolio-preview #advertising .ad-exploration-steps {
    display: block;
    margin: 24px 0 0;
  }

  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    gap: 8px 24px;
    margin: 0;
    padding: 24px 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > h4,
  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > p {
    grid-column: 1;
  }

  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > .shot {
    grid-column: 2;
    grid-row: 1 / 3;
    margin: 0;
  }

  .portfolio-preview #advertising .ad-media-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    margin: 24px 0;
  }

  .portfolio-preview #advertising .ad-media-pair .shot {
    width: 100%;
    max-width: 390px;
    margin: 16px auto;
  }

  .portfolio-preview #advertising :is(.ad-step-copy, .ad-authoring-step, .ad-media-step, .ad-exploration-step) h4 {
    font-size: 18px;
    font-weight: 650;
    line-height: 1.55;
  }

  .portfolio-preview #advertising :is(.ad-step-copy, .ad-authoring-step, .ad-media-step, .ad-exploration-step) p {
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .story-evaluation-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 24px;
    align-items: start;
    margin-top: 24px;
  }

  .portfolio-preview .story-evaluation-layout > .shot,
  .portfolio-preview .story-evaluation-layout > .prose {
    margin: 0;
  }

  .portfolio-preview .story-evaluation-layout .prose h3 {
    margin: 0 0 12px;
    font-size: 20px;
    line-height: 1.5;
  }

  .portfolio-preview .story-evaluation-layout .prose h3:not(:first-child) {
    margin-top: 24px;
  }

  .portfolio-preview .walk-results > .editorial-step {
    grid-template-columns: minmax(0, 1fr) 240px;
  }

  .portfolio-preview .walk-results > .editorial-step > .editorial-copy {
    grid-column: 2;
    grid-row: 1;
  }

  .portfolio-preview .walk-results > .editorial-step > .shot {
    grid-column: 1;
    grid-row: 1;
  }

  .portfolio-preview .case-evaluation {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .result-followup {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .result-followup > .shot,
  .portfolio-preview .result-followup > .story-result-copy {
    margin: 0;
  }

  /* Tables carry results and their definitions together, without metric tiles. */
  .portfolio-preview .product-table {
    width: 100%;
    max-width: 100%;
    margin: 24px 0 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    table-layout: fixed;
    font-size: 15px;
    line-height: 1.75;
    color: var(--tx2);
  }

  .portfolio-preview .product-table th,
  .portfolio-preview .product-table td {
    padding: 14px 16px;
    border: 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
  }

  .portfolio-preview .product-table tr > * + * {
    border-left: 1px solid var(--line);
  }

  .portfolio-preview .product-table thead th {
    border-top: 0;
    background: var(--green-bg);
    color: var(--tx);
    font-size: 14px;
    font-weight: 600;
  }

  .portfolio-preview .product-table tbody th {
    color: var(--tx);
    font-weight: 600;
  }

  .portfolio-preview .product-table tbody tr:last-child > * {
    border-bottom: 0;
  }

  .portfolio-preview .product-table th:first-child {
    width: 25%;
  }

  .portfolio-preview .decision-table th:last-child,
  .portfolio-preview .interaction-table th:last-child {
    width: 28%;
  }

  .portfolio-preview .result-table th:nth-child(2) {
    width: 31%;
  }

  .portfolio-preview .product-table strong {
    color: var(--green);
    font-size: 16px;
    font-weight: 650;
  }

  .portfolio-preview .metric-context {
    max-width: var(--editorial-measure);
    margin: 10px 0 0;
    color: var(--tx2);
    font-size: 12px;
    line-height: 1.75;
  }

  .portfolio-preview .walk-metrics {
    margin-top: 28px;
  }

  .portfolio-preview .story-list {
    max-width: var(--editorial-measure);
    margin: 10px 0 16px;
    padding-left: 1.3em;
    color: var(--tx2);
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .story-list li + li {
    margin-top: 7px;
  }

  .portfolio-preview .story-note,
  .portfolio-preview .support-note {
    max-width: var(--editorial-measure);
    margin-top: 24px;
    color: var(--tx2);
    font-size: 14px;
    line-height: 1.75;
  }

  .portfolio-preview .story-columns,
  .portfolio-preview #advertising .ad-role-points,
  .portfolio-preview #advertising .ad-design-points,
  .portfolio-preview #toudi .toudi-points,
  .portfolio-preview #toudi .toudi-principles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin: 24px 0;
  }

  .portfolio-preview .story-columns h4,
  .portfolio-preview .story-result-copy h4,
  .portfolio-preview #advertising .ad-role-points h4,
  .portfolio-preview #advertising .ad-design-points h4,
  .portfolio-preview #toudi .toudi-points h4,
  .portfolio-preview #toudi .toudi-principles h4 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 650;
    line-height: 1.55;
  }

  .portfolio-preview #advertising .ad-role-points p,
  .portfolio-preview #advertising .ad-design-points p,
  .portfolio-preview #toudi .toudi-points p,
  .portfolio-preview #toudi .toudi-principles p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .flow,
  .portfolio-preview .case-cover .case-work .flow {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 16px 0 0;
  }

  .portfolio-preview .flow .step,
  .portfolio-preview .flow .step:first-child,
  .portfolio-preview .flow .step:last-child {
    min-width: 0;
    padding: 4px 18px;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .portfolio-preview .flow .step:first-child {
    padding-left: 0;
  }

  .portfolio-preview .flow .step + .step {
    border-left: 1px solid var(--line);
  }

  .portfolio-preview .flow .step .sn {
    font-family: var(--font);
    font-size: 24px;
    font-weight: 500;
    line-height: 1.3;
  }

  .portfolio-preview .flow .step h4 {
    margin: 10px 0 8px;
    font-size: 16px;
    font-weight: 650;
    line-height: 1.55;
  }

  .portfolio-preview .flow .step p {
    color: var(--tx2);
    font-size: 14px;
    line-height: 1.75;
  }

  .portfolio-preview .page:not(.first):not(:has(footer)) :is(.dec, .tool, .layer, .flow .step) {
    background: none;
    box-shadow: none;
  }

  .portfolio-preview .story-evolution {
    margin-top: 24px;
  }

  .portfolio-preview .story-evolution .evo-item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview .evo-item .yr {
    color: var(--green);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.75;
  }

  .portfolio-preview .evo-item h4 {
    font-size: 20px;
    line-height: 1.5;
  }

  .portfolio-preview .evo-item p,
  .portfolio-preview .layer p,
  .portfolio-preview .tool p {
    max-width: var(--editorial-measure);
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .layer,
  .portfolio-preview .tool,
  .portfolio-preview .dec {
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    padding: 24px 0;
    box-shadow: none;
  }

  .portfolio-preview #advertising .ad-optimization,
  .portfolio-preview #advertising .ad-evaluation {
    max-width: var(--editorial-measure);
    margin-top: 32px;
  }

  .portfolio-preview #advertising .ad-optimization h3,
  .portfolio-preview #advertising .ad-evaluation h3 {
    font-size: 22px;
    line-height: 1.45;
  }

  .portfolio-preview #advertising .ad-optimization ol {
    margin-top: 12px;
    padding-left: 1.4em;
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview #toudi .toudi-fill-flow {
    gap: 24px;
    margin: 24px 0;
  }

  .portfolio-preview #toudi .toudi-fill-flow li,
  .portfolio-preview #toudi .toudi-fill-flow p {
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview #toudi .toudi-fill-flow li {
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .portfolio-preview #toudi .toudi-fill-flow strong {
    font-size: 17px;
    line-height: 1.6;
  }

  .portfolio-preview .project-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: 14px;
    line-height: 1.75;
    overflow-wrap: anywhere;
  }

  .portfolio-preview .project-links a:not(.btn) {
    color: var(--green);
    text-underline-offset: 5px;
  }

  .portfolio-preview footer {
    margin-top: 16px;
    padding: 48px 0;
    border-top: 1px solid var(--line);
    background: #fff;
    text-align: left;
  }

  .portfolio-preview footer .big {
    font-size: 26px;
    line-height: 1.45;
  }

  .portfolio-preview footer p {
    max-width: var(--editorial-measure);
    margin: 0 0 24px;
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview footer .fine {
    margin-top: 28px;
    font-family: var(--font);
    font-size: 12px;
    letter-spacing: 0;
  }
}

@media screen and (max-width: 1100px) {
  .portfolio-preview {
    --editorial-rail: 144px;
    --editorial-gap: 28px;
  }

  .portfolio-preview .wrap {
    padding-inline: 28px;
  }

  .portfolio-preview .hero {
    --index-width: 248px;
    --column-gap: 28px;
    padding-inline: 28px;
  }

  .portfolio-preview .hero-intro {
    gap: 36px;
  }

  .portfolio-preview .hero h1 {
    font-size: 48px;
  }

  .portfolio-preview .project-tab {
    padding-left: 8px;
    grid-template-columns: 30px minmax(0, 1fr);
    column-gap: 8px;
  }

  .portfolio-preview .project-tab strong {
    font-size: 16px;
  }

  .portfolio-preview .portfolio-nav .links {
    gap: 20px;
  }
}

@media screen and (max-width: 1000px) {
  .portfolio-preview .editorial-step,
  .portfolio-preview #toudi .toudi-session-step,
  .portfolio-preview .story-evaluation-layout,
  .portfolio-preview .walk-results > .editorial-step,
  .portfolio-preview .result-followup,
  .portfolio-preview #advertising .ad-authoring-intake,
  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .portfolio-preview .editorial-copy,
  .portfolio-preview #toudi .toudi-session-step > div:not(.shot) {
    max-width: var(--editorial-measure);
  }

  .portfolio-preview #advertising .ad-authoring-intake > .ad-step-copy,
  .portfolio-preview #advertising .ad-authoring-intake > .shot,
  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > h4,
  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > p,
  .portfolio-preview #advertising :is(.ad-authoring-step, .ad-exploration-step):not(.editorial-step) > .shot {
    grid-column: 1;
    grid-row: auto;
  }

  .portfolio-preview #advertising .ad-authoring-intake > .ad-step-copy {
    grid-row: 1;
  }

  .portfolio-preview .story-evaluation-layout > .prose {
    max-width: var(--editorial-measure);
  }

  .portfolio-preview .walk-results > .editorial-step > .editorial-copy,
  .portfolio-preview .walk-results > .editorial-step > .shot {
    grid-column: 1;
    grid-row: auto;
  }

  .portfolio-preview .story-columns,
  .portfolio-preview #advertising .ad-role-points,
  .portfolio-preview #advertising .ad-design-points,
  .portfolio-preview #toudi .toudi-points,
  .portfolio-preview #toudi .toudi-principles {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    max-width: var(--editorial-measure);
  }
}

@media screen and (max-width: 800px) {
  .portfolio-preview .portfolio-nav .logo span {
    display: none;
  }

  .portfolio-preview .portfolio-nav .wrap {
    gap: 22px;
  }

  .portfolio-preview .portfolio-nav .links {
    min-width: 0;
    overflow-x: auto;
    gap: 20px;
    scrollbar-width: none;
  }

  .portfolio-preview .portfolio-nav .links::-webkit-scrollbar {
    display: none;
  }

  .portfolio-preview .portfolio-nav .links a {
    flex-shrink: 0;
  }

  .portfolio-preview .hero {
    padding-top: 104px;
    padding-bottom: 40px;
  }

  .portfolio-preview .hero-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .portfolio-preview .hero h1 {
    white-space: normal;
  }

  .portfolio-preview .hero-about {
    max-width: 680px;
    padding-top: 0;
  }

  .portfolio-preview .hero-name {
    margin-top: 12px;
    font-size: 22px;
  }

  .portfolio-preview .project-exhibit {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    margin-top: 28px;
    padding-top: 24px;
  }

  .portfolio-preview .project-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
  }

  .portfolio-preview .project-tab {
    min-height: 86px;
    padding-block: 16px;
  }

  .portfolio-preview .project-tab:nth-child(2) {
    border-top-color: transparent;
  }

  .portfolio-preview .project-tab svg {
    top: 21px;
  }

  .portfolio-preview > section {
    padding-top: 36px;
  }

  .portfolio-preview > section > .wrap {
    display: block;
  }

  .portfolio-preview .case-rail {
    position: sticky;
    top: 64px;
    z-index: 8;
    min-height: 0;
    padding: 12px 0 0;
    margin-top: -12px;
    margin-bottom: 28px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: #fff;
  }

  .portfolio-preview .case-rail-title {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
  }

  .portfolio-preview .case-rail-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 22px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .portfolio-preview .case-rail-nav::-webkit-scrollbar {
    display: none;
  }

  .portfolio-preview .case-rail-nav a {
    flex: 0 0 auto;
    margin: 0;
    padding: 8px 0 10px;
    border-left: 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .portfolio-preview .case-rail-nav a:is([aria-current="location"], [aria-current="true"], [aria-current="page"]) {
    border-bottom-color: var(--green);
  }

  .portfolio-preview .case-body > .page:not(.first):not(:has(footer)) {
    padding-block: 36px;
    scroll-margin-top: 166px;
  }

  .portfolio-preview .case-cover .sec-head h2 {
    font-size: 34px;
  }

  .portfolio-preview .case-fact:nth-child(2) {
    padding-left: 24px;
  }

  .portfolio-preview .flow,
  .portfolio-preview .case-cover .case-work .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .portfolio-preview .flow .step,
  .portfolio-preview .flow .step:first-child,
  .portfolio-preview .flow .step:last-child {
    padding: 0;
    border: 0;
  }

  .portfolio-preview .flow .step .sn {
    font-size: 22px;
  }

  .portfolio-preview .product-table th,
  .portfolio-preview .product-table td {
    padding: 12px;
  }
}

@media screen and (max-width: 640px) {
  .portfolio-preview .wrap {
    padding-inline: 20px;
  }

  .portfolio-preview .portfolio-nav .wrap {
    display: block;
    height: auto;
    min-height: 94px;
    padding-block: 10px 0;
  }

  .portfolio-preview .portfolio-nav .logo {
    display: block;
    font-size: 14px;
    line-height: 1.8;
  }

  .portfolio-preview .portfolio-nav .logo span {
    display: inline;
    font-size: 11px;
  }

  .portfolio-preview .portfolio-nav .links {
    gap: 22px;
    padding: 4px 0 0;
    font-size: 12px;
  }

  .portfolio-preview .portfolio-nav .links a {
    padding: 10px 0 12px;
  }

  .portfolio-preview .portfolio-nav .links a:last-child {
    margin-left: 0;
  }

  .portfolio-preview .hero {
    padding: 126px 20px 36px;
  }

  .portfolio-preview .hero h1 {
    max-width: none;
    margin: 0;
    font-size: clamp(34px, 9vw, 44px);
    line-height: 1.2;
  }

  .portfolio-preview .hero .eyebrow {
    margin-bottom: 10px;
  }

  .portfolio-preview .hero-name {
    font-size: 20px;
  }

  .portfolio-preview .hero .sub {
    font-size: 15px;
    line-height: 1.75;
  }

  .portfolio-preview .project-tabs {
    gap: 0 12px;
  }

  .portfolio-preview .project-tab {
    grid-template-columns: 25px minmax(0, 1fr);
    column-gap: 7px;
    min-height: 96px;
    padding: 15px 4px 15px 7px;
  }

  .portfolio-preview .project-tab::before {
    font-size: 22px;
  }

  .portfolio-preview .project-tab strong {
    font-size: 14px;
    line-height: 1.55;
  }

  .portfolio-preview .tab-subtitle {
    font-size: 12px;
    line-height: 1.55;
  }

  .portfolio-preview .project-tab svg {
    display: none;
  }

  .portfolio-preview .preview-surface {
    aspect-ratio: 16 / 10;
  }

  .portfolio-preview .preview-caption {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding-top: 14px;
  }

  .portfolio-preview .preview-caption a {
    justify-self: start;
  }

  .portfolio-preview .preview-zoom {
    right: 8px;
    bottom: 8px;
    padding: 6px 8px;
    opacity: 1;
    transform: none;
  }

  .portfolio-preview > section {
    padding-top: 28px;
    scroll-margin-top: 94px;
  }

  .portfolio-preview .case-rail {
    top: 94px;
  }

  .portfolio-preview .case-body > .page:not(.first):not(:has(footer)) {
    padding-block: 32px;
    scroll-margin-top: 186px;
  }

  .portfolio-preview .case-cover .sec-head h2 {
    font-size: 30px;
    line-height: 1.35;
  }

  .portfolio-preview .sec-head h2,
  .portfolio-preview .case-head h3 {
    font-size: 26px;
    line-height: 1.4;
  }

  .portfolio-preview .case-cover .sec-head .lede {
    font-size: 16px;
  }

  .portfolio-preview .tags {
    gap: 5px 12px;
    margin-top: 14px;
  }

  .portfolio-preview .tag + .tag::before {
    margin-right: 12px;
  }

  .portfolio-preview .case-background.case-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
    margin-top: 24px;
    padding-top: 22px;
  }

  .portfolio-preview .case-fact:nth-child(2) {
    padding-left: 0;
    border-left: 0;
  }

  .portfolio-preview .case-fact:nth-child(3) {
    grid-column: auto;
  }

  .portfolio-preview .case-cover .case-work {
    margin-top: 24px;
  }

  .portfolio-preview .shot .cap {
    padding: 11px 12px;
    font-size: 13px;
  }

  .portfolio-preview .shot .cap b {
    display: block;
    margin: 0 0 4px;
    font-size: 13px;
  }

  .portfolio-preview .editorial-step,
  .portfolio-preview #toudi .toudi-session-step {
    gap: 16px;
    padding-block: 24px;
  }

  .portfolio-preview #advertising .ad-media-pair {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .portfolio-preview #advertising .ad-media-pair .shot {
    max-width: 390px;
  }

  .portfolio-preview .product-table {
    font-size: 14px;
    line-height: 1.7;
  }

  .portfolio-preview .product-table th,
  .portfolio-preview .product-table td {
    padding: 11px 9px;
  }

  .portfolio-preview .product-table thead th {
    font-size: 13px;
  }

  .portfolio-preview .product-table strong {
    font-size: 14px;
  }

  .portfolio-preview .product-table th:first-child {
    width: 27%;
  }

  .portfolio-preview .result-table th:nth-child(2) {
    width: 31%;
  }

  .portfolio-preview .story-evolution .evo-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .portfolio-preview .evo-item .yr br {
    display: none;
  }

  .portfolio-preview #toudi .toudi-fill-flow {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .portfolio-preview footer {
    margin-top: 0;
    padding-block: 36px;
  }
}

@media screen {
  .portfolio-preview #advertising .ad-design-context {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin: 22px 0 26px;
    padding: 20px 0;
    border-block: 1px solid var(--line);
  }
  .portfolio-preview #advertising .ad-design-context h4 {
    margin: 0 0 8px;
    font-size: 17px;
    line-height: 1.5;
  }
  .portfolio-preview #advertising .ad-design-context p {
    margin: 0;
    color: var(--tx2);
    font-size: 15px;
    line-height: 1.75;
  }
  .portfolio-preview #advertising .ad-quality-results {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin: 26px 0 12px;
  }
  .portfolio-preview #advertising .ad-quality-card {
    padding: 20px 22px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--green-bg);
  }
  .portfolio-preview #advertising .ad-quality-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 17px;
    font-weight: 650;
  }
  .portfolio-preview #advertising .ad-quality-label span { font-size: 12px; font-weight: 400; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-value { margin: 10px 0; color: var(--green); font-size: 40px; line-height: 1.2; font-weight: 650; font-variant-numeric: tabular-nums; }
  .portfolio-preview #advertising .ad-quality-value small { margin-left: 8px; font-size: 17px; font-weight: 400; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-card p { margin: 0 0 14px; font-size: 13px; line-height: 1.7; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-breakdown { display: flex; gap: 24px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-breakdown b { margin-left: 7px; color: var(--tx); font-variant-numeric: tabular-nums; }
  .portfolio-preview #advertising .ad-post-result-note { margin: 12px 0 0; font-size: 13px; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-targets { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 20px; padding: 18px 0; margin-top: 24px; border-block: 1px solid var(--line); }
  .portfolio-preview #advertising .ad-quality-targets h4 { margin: 0 0 5px; font-size: 16px; }
  .portfolio-preview #advertising .ad-quality-targets p { margin: 0; font-size: 12px; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-targets span { display: block; font-size: 13px; color: var(--tx2); }
  .portfolio-preview #advertising .ad-quality-targets b { display: block; margin-top: 4px; font-size: 21px; font-variant-numeric: tabular-nums; }
  .portfolio-preview #advertising .ad-quality-targets small { font-size: 13px; font-weight: 400; color: var(--tx2); }
}
@media screen and (max-width: 680px) {
  .portfolio-preview #advertising .ad-design-context { grid-template-columns: 1fr; gap: 16px; }
  .portfolio-preview #advertising .ad-quality-results { grid-template-columns: 1fr; gap: 12px; }
  .portfolio-preview #advertising .ad-quality-targets { grid-template-columns: 1fr 1fr; gap: 16px; }
  .portfolio-preview #advertising .ad-quality-targets > :first-child { grid-column: 1 / -1; }
}

@media screen and (prefers-reduced-motion: reduce) {
  .portfolio-preview *,
  .portfolio-preview *::before,
  .portfolio-preview *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}