/* About and résumé compositions. Every rule is screen-only so the existing
   two-page résumé print layout remains the sole authority for PDF output.
   Motion hooks stay visible until the shared script progressively enhances them. */
@media screen {
  .profile-page {
    --profile-ground: #101010;
    --profile-ink: #f7f7f5;
    --profile-copy: #c4c4c1;
    --profile-muted: #a1a19d;
    --profile-rule: #ffffff24;
    --profile-wash: #ffffff09;
    --profile-font: Inter, "Noto Sans TC", "Noto Sans JP", Arial, sans-serif;
    color: var(--profile-ink);
    background: var(--profile-ground);
    font-family: var(--profile-font);
    padding-bottom: clamp(72px, 10vw, 160px);
  }

  :root[data-theme="light"] .profile-page {
    --profile-ground: #f7f7f5;
    --profile-ink: #101010;
    --profile-copy: #43433f;
    --profile-muted: #646460;
    --profile-rule: #10101026;
    --profile-wash: #10101005;
  }

  .profile-page:lang(zh-Hant-TW) { --profile-font: Inter, "Noto Sans TC", Arial, sans-serif; }
  .profile-page:lang(ja) { --profile-font: Inter, "Noto Sans JP", Arial, sans-serif; }
  .profile-page :is(h1, h2, h3, .lede, .eyebrow, .text-link, .btn, dt, dd) {
    font-family: var(--profile-font);
  }
  .profile-page :is(h1, h2, h3) { color: var(--profile-ink); font-weight: 600; }
  .profile-page :is(p, ul, dd) { color: var(--profile-copy); }
  .profile-page :is(strong, b) { color: var(--profile-ink); }
  .profile-page :is(.eyebrow, .muted) { color: var(--profile-muted); }
  .profile-page a { color: var(--profile-ink); }
  .profile-page a:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 5px;
  }
  .profile-page .eyebrow { font-size: 11px; line-height: 1.8; letter-spacing: .1em; }
  .profile-page .text-link {
    font-size: 14px;
    line-height: 1.7;
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: var(--profile-rule);
    text-underline-offset: 6px;
  }
  .profile-page .text-link:hover { text-decoration-color: currentColor; }
  .profile-page .btn-row { gap: 12px 20px; flex-wrap: wrap; }
  .profile-page .btn {
    min-height: 48px;
    padding: 13px 20px;
    font-size: 13px;
    line-height: 1.6;
    white-space: normal;
    text-align: center;
    border: 0;
    border-radius: 4px;
    box-shadow: none;
    background: transparent;
    color: var(--profile-ink);
  }
  .profile-page .btn-primary { background: var(--profile-ink); color: var(--profile-ground); }
  .profile-page .btn-primary:hover { background: var(--profile-copy); color: var(--profile-ground); }
  .profile-page .btn-quiet {
    padding-inline: 0;
    text-decoration: underline;
    text-decoration-color: var(--profile-rule);
    text-underline-offset: 6px;
  }
  .profile-page .btn-quiet:hover { background: transparent; text-decoration-color: currentColor; }

  /* The résumé header uses its original print children in a new screen grid. */
  .profile-page .profile-heading {
    display: grid;
    padding: clamp(64px, 8vw, 124px) 0 54px;
    gap: 24px;
  }
  .profile-page .profile-resume-heading {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    grid-template-areas: "display display" "name actions" "position actions" "contact languages";
    column-gap: 8%;
    padding-top: clamp(64px, 8vw, 124px) !important;
  }
  .profile-page .profile-display {
    grid-area: display;
    margin: 0 0 44px -.045em;
    font-size: clamp(96px, 17.2vw, 248px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -.085em;
    overflow-wrap: normal;
  }
  .profile-page .profile-resume-heading > .eyebrow { display: none; }
  .profile-page .profile-resume-heading h1 {
    grid-area: name;
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.2;
    letter-spacing: -.045em;
    max-width: none;
  }
  .profile-page .profile-resume-heading > .lede {
    grid-area: position;
    font-size: clamp(17px, 1.8vw, 22px);
    line-height: 1.6;
    margin: 0;
    max-width: 45ch;
  }
  .profile-page .contact-line {
    grid-area: contact;
    font-size: 12px;
    line-height: 1.9;
    color: var(--profile-muted);
    overflow-wrap: anywhere;
    margin: 0;
  }
  .profile-page .profile-resume-heading > .btn-row {
    grid-area: actions;
    align-content: start;
    justify-content: flex-end;
    align-items: start;
  }
  .profile-page .pdf-langs {
    grid-area: languages;
    justify-self: end;
    align-self: end;
    font-size: 12px;
    line-height: 1.9;
    margin: 0;
    text-align: right;
    color: var(--profile-muted);
  }

  .profile-page .profile-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 28px;
    padding-block: 18px;
    border-block: 1px solid var(--profile-rule);
    margin-block: 0 12px;
  }
  .profile-page .profile-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 13px;
    text-decoration: none;
    color: var(--profile-copy);
  }
  .profile-page .profile-nav a:hover {
    color: var(--profile-ink);
    text-decoration: underline;
    text-underline-offset: 6px;
  }
  .profile-page .profile-section {
    display: grid;
    padding-block: clamp(64px, 9vw, 128px) 0;
    gap: 44px;
    scroll-margin-top: 112px;
  }
  .profile-page .profile-section-heading {
    display: grid;
    align-items: start;
    justify-content: start;
    border: 0;
    padding: 0;
    gap: 14px;
  }
  .profile-page .profile-section-heading h2 {
    font-size: clamp(36px, 4.7vw, 66px);
    line-height: 1.12;
    letter-spacing: -.055em;
    max-width: 25ch;
  }
  .profile-page .profile-section-number {
    color: var(--profile-muted);
    font-size: 12px;
    letter-spacing: .04em;
  }
  .profile-page .profile-summary {
    grid-template-columns: minmax(0, .7fr) minmax(0, 1.6fr);
    gap: 8%;
  }
  .profile-page .profile-summary > .lede {
    font-size: clamp(20px, 2.2vw, 29px);
    line-height: 1.65;
    margin: 0;
  }

  /* Dates and role titles form a stable left column. Long evidence stays open. */
  .profile-page .profile-role {
    display: grid;
    grid-template-columns: 30px minmax(0, .85fr) minmax(0, 1.45fr);
    gap: 5%;
    padding-block: 34px 42px;
    border-top: 1px solid var(--profile-rule);
    align-items: start;
  }
  .profile-page .profile-role-index {
    color: var(--profile-muted);
    font-size: 12px;
    line-height: 2;
    padding-top: 4px;
  }
  .profile-page .profile-role .role-head { display: block; }
  .profile-page .profile-role .role-head h3 {
    font-size: clamp(23px, 2.4vw, 34px);
    line-height: 1.22;
    letter-spacing: -.035em;
    overflow-wrap: anywhere;
  }
  .profile-page .profile-role .role-head span {
    display: block;
    margin-top: 20px;
    font-size: 12px;
    line-height: 1.9;
    color: var(--profile-muted);
  }
  .profile-page .profile-role ul {
    font-size: 16px;
    line-height: 1.85;
    gap: 18px;
    padding-left: 1.1em;
    color: var(--profile-copy);
  }
  .profile-page .profile-role li { padding-left: .3em; }
  .profile-page .profile-role li::marker { color: var(--profile-muted); font-size: .75em; }
  .profile-page .skills { gap: 0; }
  .profile-page .skills > div {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.45fr);
    gap: 5%;
    padding-block: 26px;
    padding-left: calc(30px + 5%);
    border-top: 1px solid var(--profile-rule);
  }
  .profile-page .skills dt {
    font-size: 19px;
    line-height: 1.6;
    color: var(--profile-ink);
    text-transform: none;
    letter-spacing: -.02em;
    font-weight: 500;
  }
  .profile-page .skills dd { font-size: 16px; line-height: 1.85; }
  .profile-page .next {
    margin-top: clamp(64px, 8vw, 100px);
    padding-top: 32px;
    border-top: 1px solid var(--profile-rule);
    border-radius: 0;
    background: transparent;
  }

  /* About: a text portrait, followed by evidence and a chronological sidebar. */
  .profile-page .profile-about-heading { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 20px; }
  .profile-page .profile-about-heading > .eyebrow { grid-column: 1 / -1; }
  .profile-page .profile-about-display {
    grid-column: 1 / -1;
    font-size: clamp(50px, 8.9vw, 128px);
    line-height: 1.1;
    letter-spacing: -.068em;
    max-width: none;
    margin: 12px 0 36px;
    text-wrap: initial;
  }
  .profile-page .profile-heading-line { display: block; }
  .profile-page .profile-heading-line + .profile-heading-line { padding-left: 6%; }
  .profile-page .profile-about-heading > .lede {
    grid-column: 6 / -1;
    font-size: clamp(19px, 2.1vw, 28px);
    line-height: 1.65;
    max-width: 46ch;
    margin: 0;
  }
  .profile-page .profile-about-heading > .btn-row { grid-column: 6 / -1; margin-top: 12px; }
  .profile-page .profile-story { gap: 44px; }
  .profile-page .profile-prose-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 9%;
    align-items: start;
  }
  .profile-page .profile-copy { gap: 24px; }
  .profile-page .profile-prose-grid p {
    font-size: 17px;
    line-height: 1.9;
    margin: 0;
    max-width: 62ch;
  }
  .profile-page .profile-prose-grid .lede { font-size: clamp(20px, 2vw, 26px); line-height: 1.7; }
  .profile-page .profile-timeline { padding-top: 4px; }
  .profile-page .profile-timeline-label { margin: 0 0 24px; font-size: 11px; color: var(--profile-muted); }
  .profile-page .profile-timeline ol { display: grid; list-style: none; margin: 0; padding: 0; }
  .profile-page .profile-timeline li {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 24px;
    padding-block: 26px;
    border-top: 1px solid var(--profile-rule);
  }
  .profile-page .profile-timeline-date { font-size: 11px; line-height: 1.8; color: var(--profile-muted); white-space: nowrap; }
  .profile-page .profile-timeline h3 { font-size: 21px; line-height: 1.4; letter-spacing: -.025em; margin-bottom: 12px; }
  .profile-page .profile-timeline p { font-size: 14px; line-height: 1.8; }
  .profile-page .profile-timeline > .text-link { display: inline-block; margin-top: 18px; }
  .profile-page .profile-principle-list { display: grid; }
  .profile-page .profile-principle {
    display: grid;
    grid-template-columns: 30px minmax(0, .9fr) minmax(0, 1.4fr);
    gap: 5%;
    align-items: start;
    padding-block: 38px 44px;
    border-top: 1px solid var(--profile-rule);
  }
  .profile-page .profile-principle-number { font-size: 12px; line-height: 2; color: var(--profile-muted); }
  .profile-page .profile-principle h3 { font-size: clamp(24px, 3vw, 40px); line-height: 1.22; letter-spacing: -.045em; }
  .profile-page .profile-principle-copy p { font-size: 17px; line-height: 1.85; margin: 0 0 22px; }
  .profile-page [data-profile-section="collaboration"] .profile-section-heading h2 { max-width: 21ch; }
  .profile-page [data-profile-section="next"] { margin-top: 40px; border-top: 1px solid var(--profile-rule); }
  .profile-page [data-profile-section="next"] .profile-section-heading h2 { font-size: clamp(44px, 6vw, 84px); }

  /* CJK titles need a wider rhythm and smaller display sizes than Latin text. */
  .profile-page:lang(zh-Hant-TW) .profile-about-display,
  .profile-page:lang(ja) .profile-about-display { font-size: clamp(40px, 6.8vw, 96px); line-height: 1.28; letter-spacing: -.055em; }
  .profile-page:lang(zh-Hant-TW) .profile-section-heading h2,
  .profile-page:lang(ja) .profile-section-heading h2 { font-size: clamp(30px, 3.9vw, 54px); line-height: 1.4; letter-spacing: -.045em; }
  .profile-page:lang(zh-Hant-TW) .profile-role .role-head h3,
  .profile-page:lang(ja) .profile-role .role-head h3 { font-size: clamp(23px, 2.1vw, 30px); line-height: 1.5; }
  .profile-page:lang(zh-Hant-TW) .profile-principle h3,
  .profile-page:lang(ja) .profile-principle h3 { font-size: clamp(24px, 2.5vw, 35px); line-height: 1.5; }
  .profile-page:lang(zh-Hant-TW) .profile-display { letter-spacing: -.075em; }
  .profile-page:lang(ja) .profile-display { font-size: clamp(70px, 14vw, 200px); letter-spacing: -.07em; }
}

@media screen and (max-width: 1000px) {
  .profile-page .profile-resume-heading { column-gap: 5%; }
  .profile-page .profile-role { grid-template-columns: 24px minmax(0, .9fr) minmax(0, 1.35fr); gap: 4%; }
  .profile-page .profile-role ul { font-size: 15px; }
  .profile-page .profile-prose-grid { gap: 6%; }
  .profile-page .profile-timeline li { grid-template-columns: 1fr; gap: 10px; }
  .profile-page .profile-about-heading > .lede,
  .profile-page .profile-about-heading > .btn-row { grid-column: 4 / -1; }
}

@media screen and (max-width: 720px) {
  .profile-page .profile-heading { padding-top: 54px; padding-bottom: 36px; }
  .profile-page .profile-resume-heading {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "display" "name" "position" "contact" "actions" "languages";
    gap: 20px;
    padding-top: 54px !important;
  }
  .profile-page .profile-display { font-size: clamp(72px, 18vw, 130px); margin-bottom: 22px; }
  .profile-page:lang(ja) .profile-display { font-size: clamp(56px, 15vw, 108px); }
  .profile-page .profile-resume-heading h1 { font-size: clamp(28px, 7vw, 40px); }
  .profile-page .profile-resume-heading > .btn-row { justify-content: flex-start; padding-top: 12px; }
  .profile-page .pdf-langs { justify-self: start; text-align: left; }
  .profile-page .profile-nav { gap: 2px 22px; padding-block: 12px; }
  .profile-page .profile-section { gap: 30px; padding-top: 64px; scroll-margin-top: 100px; }
  .profile-page .profile-summary { grid-template-columns: minmax(0, 1fr); }
  .profile-page .profile-role { grid-template-columns: 22px minmax(0, 1fr); gap: 24px 18px; padding-block: 28px 38px; }
  .profile-page .profile-role ul { grid-column: 2; font-size: 16px; gap: 16px; }
  .profile-page .profile-role .role-head h3 { font-size: 26px; }
  .profile-page .profile-role .role-head span { margin-top: 14px; }
  .profile-page .skills > div { grid-template-columns: minmax(0, 1fr); gap: 12px; padding-left: 0; }
  .profile-page .skills dt { font-size: 20px; }
  .profile-page .profile-about-heading { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .profile-page .profile-about-heading > :is(.eyebrow, .profile-about-display, .lede, .btn-row) { grid-column: 1; }
  .profile-page .profile-about-display { font-size: clamp(42px, 8.4vw, 64px); line-height: 1.13; letter-spacing: -.06em; margin: 4px 0 14px; }
  .profile-page .profile-heading-line + .profile-heading-line { padding-left: 4%; }
  .profile-page:lang(zh-Hant-TW) .profile-about-display,
  .profile-page:lang(ja) .profile-about-display { font-size: clamp(34px, 6.7vw, 48px); line-height: 1.35; letter-spacing: -.055em; }
  .profile-page .profile-prose-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .profile-page .profile-timeline li { grid-template-columns: 112px minmax(0, 1fr); gap: 18px; }
  .profile-page .profile-timeline h3 { font-size: 20px; }
  .profile-page .profile-principle { grid-template-columns: 22px minmax(0, 1fr); gap: 20px 18px; padding-block: 28px 38px; }
  .profile-page .profile-principle-copy { grid-column: 2; }
  .profile-page .profile-principle h3 { font-size: 28px; }
  .profile-page .profile-principle-copy p { font-size: 16px; }
  .profile-page [data-profile-section="next"] { margin-top: 30px; }
}

@media screen and (max-width: 380px) {
  .profile-page .profile-timeline li { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .profile-page .profile-heading-line + .profile-heading-line { padding-left: 0; }
  .profile-page .profile-about-display { font-size: 39px; }
  .profile-page:lang(zh-Hant-TW) .profile-about-display,
  .profile-page:lang(ja) .profile-about-display { font-size: 32px; }
}

/* Chinese screen typography has its own scale and near-zero tracking.
   Root + design + page specificity defeats the older shared CJK rules without
   changing English, Japanese, print styles, or motion's resting transforms. */
@media screen {
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page {
    --profile-font: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
    letter-spacing: 0;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-about-display {
    font-size: clamp(40px, 5.8vw, 84px);
    font-weight: 500;
    line-height: 1.32;
    letter-spacing: .005em;
    text-wrap: initial;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-display {
    font-size: clamp(88px, 13.5vw, 200px);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: .01em;
    margin-left: 0;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-resume-heading h1 {
    font-size: clamp(30px, 3.2vw, 46px);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: -.01em;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-section-heading h2 {
    font-size: clamp(30px, 3.4vw, 48px);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: .01em;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page [data-profile-section="next"] .profile-section-heading h2 {
    font-size: clamp(38px, 5.2vw, 72px);
    letter-spacing: 0;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-role .role-head h3 {
    font-size: clamp(22px, 1.9vw, 28px);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0;
    overflow-wrap: normal;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-principle h3 {
    font-size: clamp(24px, 2.3vw, 33px);
    font-weight: 500;
    line-height: 1.45;
    letter-spacing: .01em;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-timeline h3 { font-weight: 500; letter-spacing: 0; }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .skills dt { letter-spacing: 0; }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page :is(.profile-role ul, .skills dd, .profile-prose-grid p, .profile-principle-copy p) {
    font-family: var(--profile-font);
    font-size: 17px;
    line-height: 1.8;
    letter-spacing: 0;
  }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-prose-grid .lede { font-size: clamp(20px, 2vw, 26px); line-height: 1.75; }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-summary > .lede { line-height: 1.75; }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page :is(.eyebrow, .profile-timeline-label, .profile-timeline-date) { font-size: 12px; letter-spacing: .02em; }
  :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-nav a { font-size: 14px; }

  @media(max-width:720px) {
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-about-display { font-size: clamp(32px, 7.8vw, 48px); }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-display { font-size: clamp(80px, 17vw, 122px); }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-resume-heading h1 { font-size: clamp(28px, 6.6vw, 38px); }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-section-heading h2 { font-size: clamp(30px, 5.6vw, 38px); }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page [data-profile-section="next"] .profile-section-heading h2 { font-size: 38px; }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-role .role-head h3 { font-size: 24px; }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-principle h3 { font-size: 26px; }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page :is(.profile-role ul, .skills dd, .profile-prose-grid p, .profile-principle-copy p) { font-size: 16px; }
    :root[data-design="motion03"]:lang(zh-Hant-TW) .profile-page .profile-prose-grid .lede { font-size: 20px; }
  }
}