/* Jacob Yudin / a small, static personal site. */
:root {
  color-scheme: light;
  --paper: #f5f3ec;
  --ink: #243b2d;
  --text: #3e473e;
  --muted: #63695f;
  --line: #d4d7cb;
  --line-strong: #b6beae;
  --accent: #d2df93;
  --accent-text: #344c22;
  --wash: #eaece1;
  --ticket: #ececde;
  --focus: #486e31;
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", serif;
  --sans: Arial, "Helvetica Neue", Helvetica, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #202b24;
  --ink: #ebeeda;
  --text: #d0d7c6;
  --muted: #aeb9a4;
  --line: #465142;
  --line-strong: #69775e;
  --accent: #c6dc8a;
  --accent-text: #d5e6b5;
  --wash: #2b372c;
  --ticket: #33402f;
  --focus: #d2df93;
}
*, *::before, *::after { box-sizing: border-box; }
html { min-width: 280px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .35s, color .35s;
}
::selection { color: #243b2d; background: #d2df93; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
button, a, summary { touch-action: manipulation; }
button, summary { -webkit-tap-highlight-color: transparent; }
button:not(:disabled) { cursor: pointer; }
button:disabled { cursor: wait; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 6px; border-radius: 2px; }
main:focus { outline: none; }
p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { color: var(--ink); font-weight: 400; }
[hidden] { display: none !important; }
svg { display: block; flex: 0 0 auto; }
.page { width: min(100% - 112px, 1248px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 10; padding: 10px 18px; color: var(--paper); background: var(--ink); transform: translateY(-170%); }
.skip-link:focus { transform: translateY(0); }
.masthead { display: flex; align-items: center; min-height: 90px; gap: 23px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; font-family: var(--serif); color: var(--ink); font-size: 35px; line-height: 1; letter-spacing: -2px; }
.wordmark span { color: var(--muted); }
.masthead-note { font-size: 12px; color: var(--muted); }
.hello-link { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; font-size: 13px; font-weight: 500; color: var(--ink); }
.masthead .hello-link { margin-left: auto; }
.hello-link .arrow { width: 18px; height: 18px; }
.arrow { transition: transform .3s var(--ease), color .2s; }
.hello-link:hover .arrow, .hello-link:focus-visible .arrow { transform: translate(3px,-3px); }
.eyebrow { font-family: var(--mono); font-weight: 400; font-size: 10px; line-height: 1.5; letter-spacing: 1.45px; text-transform: uppercase; color: var(--muted); }
.hero { display: grid; grid-template-columns: minmax(0,1fr) 170px; gap: 36px; align-items: center; padding: 40px 0 43px; }
.hero-name { min-width: 0; }
.hello { margin: 0 0 13px 5px; }
h1 { font-family: var(--serif); font-size: clamp(100px, 13.5vw, 190px); letter-spacing: -.044em; line-height: .97; white-space: normal; }
h1 em { font-weight: 400; }
.ornament { position: relative; width: 158px; justify-self: end; align-self: end; margin: 0 2px 2px 0; }
.mood-static, .mood-button { width: 158px; color: var(--ink); }
.mood-button { display: flex; flex-direction: column; align-items: center; padding: 0; border: 0; background: transparent; }
.flower { width: 142px; height: 142px; margin: 0 auto; transform: rotate(-12deg); transition: transform 1.2s var(--ease); }
.mood-caption { display: inline-flex; align-items: center; gap: 7px; margin-top: 5px; font-size: 10px; color: var(--muted); }
.mood-caption span { font-size: 12px; }
.mood-button:hover .flower, .mood-button:focus-visible .flower { transform: rotate(24deg); }
[data-theme="dark"] .flower { color: var(--accent); transform: rotate(168deg); }
[data-theme="dark"] .mood-button:hover .flower, [data-theme="dark"] .mood-button:focus-visible .flower { transform: rotate(204deg); }
[data-enhanced="true"] .mood-static { display: none; }
.content-grid { display: grid; grid-template-columns: .86fr 1.3fr; gap: clamp(60px, 8.8vw, 126px); align-items: start; padding-top: 13px; }
.about { padding-top: 37px; }
.about h2 { font-size: clamp(24px, 2.07vw, 30px); letter-spacing: -.9px; line-height: 1.32; max-width: 340px; text-wrap: pretty; }
.about h2 s { color: var(--muted); text-decoration-thickness: 1.5px; text-decoration-color: var(--ink); }
.about h2 em { font-family: var(--serif); font-weight: 400; }
.inline-link { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-decoration-thickness: 1px; text-underline-offset: 4px; transition: text-decoration-color .2s; }
.inline-link:hover, .inline-link:focus-visible { text-decoration-color: var(--ink); }
.bio { max-width: 330px; margin-top: 21px; font-size: 15px; line-height: 1.8; color: var(--muted); }
.consulting-note { margin-top: 15px; }
.aside-note { margin-top: 21px; font-family: var(--serif); font-style: italic; font-size: 23px; color: var(--ink); }
.contact { max-width: 350px; margin-top: 30px; scroll-margin-block: 28px; }
.contact-toggle { display: flex; align-items: center; gap: 27px; min-height: 44px; width: fit-content; padding: 0 2px 0 0; border-bottom: 1px solid var(--line-strong); list-style: none; cursor: pointer; color: var(--ink); }
.contact-toggle::-webkit-details-marker { display: none; }
.contact-toggle::marker { content: ""; }
.contact-toggle .eyebrow { color: var(--ink); }
.contact-toggle:hover, .contact[open] .contact-toggle { border-color: var(--ink); }
.contact-plus { transition: transform .25s var(--ease); }
.plus-vertical { transition: opacity .2s; }
.contact[open] .plus-vertical { opacity: 0; }
.contact-panel { margin-top: 10px; padding: 6px 10px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--wash); }
.contact-panel .email-row { flex-wrap: nowrap; margin-top: 0; gap: 3px; }
.contact-panel .email-link { min-width: 0; }
.contact-panel .copy-button { flex-basis: 36px; width: 36px; height: 44px; margin-left: auto; }
.contact-panel .copy-status { min-height: 0; }
.contact-panel .copy-status:not(:empty) { margin-top: 4px; }
.contact .eyebrow { font-size: 9px; letter-spacing: 1.1px; }
.email-row { display: flex; align-items: center; gap: 6px; margin-top: 4px; }
.email-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 5px; text-decoration-thickness: 1px; transition: text-decoration-color .2s; overflow-wrap: anywhere; }
.email-link:hover { text-decoration-color: var(--ink); }
.copy-button { display: inline-flex; justify-content: center; align-items: center; flex: 0 0 44px; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; color: var(--muted); background: transparent; transition: background .2s, color .2s; }
.copy-button:hover { background: var(--wash); color: var(--ink); }
.copy-status { min-height: 20px; font-size: 11px; line-height: 20px; color: var(--muted); }
.work-stack { min-width: 0; }
.work + .work { margin-top: 25px; }
.work-followup { margin: -7px 36px 18px 43px; max-width: 440px; color: var(--muted); font-size: 11px; line-height: 1.8; text-wrap: pretty; }
.work-followup a { display: inline-block; min-height: 24px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 17px; border-bottom: 1px solid var(--line-strong); }
.index-label { font-size: 10px; line-height: 1.5; font-family: var(--mono); color: var(--muted); }
.work-list { list-style: none; padding: 0; margin: 0; }
.work-item { border-bottom: 1px solid var(--line); }
.work-item:last-child { border-bottom: none; }
.work-link, .work-item-current { display: grid; grid-template-columns: 31px minmax(0,1fr) 24px; gap: 12px; padding: 17px 0 19px; }
.work-link { position: relative; isolation: isolate; }
.work-link::before { content: ""; position: absolute; z-index: -1; inset: 6px -12px; border-radius: 3px; background: var(--wash); opacity: 0; transition: opacity .25s; }
.work-link:hover::before, .work-link:focus-visible::before { opacity: 1; }
.work-number { padding-top: 1px; font-family: var(--mono); font-size: 10px; color: var(--muted); line-height: 1.6; }
.work-body { min-width: 0; }
.work-category { display: flex; align-items: center; flex-wrap: wrap; column-gap: 7px; color: var(--muted); font-size: 9px; font-family: var(--mono); letter-spacing: .4px; line-height: 1.7; text-transform: uppercase; }
.category-divider { color: var(--line-strong); margin: 0 2px; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 1px; border-radius: 50%; background: var(--accent-text); }
.work h3 { margin-top: 5px; font-family: var(--serif); font-size: 30px; line-height: 1.15; letter-spacing: -.25px; }
.work-body > p:not(.work-category) { margin-top: 7px; max-width: 440px; font-size: 13px; line-height: 1.65; color: var(--muted); text-wrap: pretty; }
.work-body cite { font-style: normal; }
.work-link > .arrow { align-self: center; color: var(--muted); width: 20px; height: 20px; }
.work-link:hover > .arrow, .work-link:focus-visible > .arrow { color: var(--ink); transform: translate(3px, -3px); }
.work-item-current { padding-top: 21px; padding-bottom: 16px; }
.work-item-current .work-body { grid-column: 2 / -1; }
.project-conversation { display: inline-flex; align-items: center; gap: 9px; min-height: 32px; margin-top: 4px; padding-top: 2px; color: var(--ink); font-size: 10px; font-weight: 500; }
.project-conversation span { display: inline-block; transition: transform .3s var(--ease); }
.project-conversation:hover span { transform: translate(2px,-2px); }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 36px; margin-top: 31px; padding: 24px 0 28px; border-top: 1px solid var(--line-strong); }
.patent-note { display: flex; align-items: center; gap: 24px; max-width: 570px; }
.patent-note > p { max-width: 415px; font-size: 11px; line-height: 1.8; color: var(--muted); }
.patent-links { display: inline-flex; align-items: center; gap: 7px; margin-left: 2px; white-space: nowrap; }
.patent-links a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; padding-block: 6px; }
.patent-links a:hover { text-decoration-color: var(--ink); }
.tickets { position: relative; flex: 0 0 92px; height: 57px; }
.ticket { position: absolute; top: 7px; left: 7px; display: flex; width: 75px; height: 40px; align-items: center; justify-content: space-between; padding: 0 9px; border: 1px solid var(--line-strong); border-radius: 3px; background: var(--ticket); color: var(--muted); transform: rotate(-13deg); transition: transform .45s var(--ease); }
.ticket span { width: 31px; font: 7px/1.4 var(--mono); letter-spacing: .25px; }
.ticket b { border-left: 1px dashed var(--line-strong); padding-left: 7px; font: 12px/27px var(--serif); }
.ticket-back { transform: translate(8px,-4px) rotate(13deg); background: var(--paper); }
.patent-note:hover .ticket-front { transform: translate(-3px,2px) rotate(-19deg); }
.patent-note:hover .ticket-back { transform: translate(12px,-7px) rotate(18deg); }
.signoff { flex-shrink: 0; color: var(--muted); font-size: 11px; }
.signoff span { color: var(--ink); }
.error-page { width: min(100% - 48px, 1000px); margin: 0 auto; padding-top: 55px; }
.error-page .eyebrow { margin-top: 110px; }
.error-page h1 { font-size: clamp(62px, 11vw, 150px); margin: 25px 0 32px; white-space: normal; }
.error-page > p:not(.eyebrow) { color: var(--muted); max-width: 42ch; }
.error-page .hello-link { margin: 26px 0 80px; }

@media (min-width: 1650px) {
  .page { padding-top: 16px; }
  .hero { padding-top: 65px; padding-bottom: 68px; }
  .footer { margin-top: 58px; }
}
@media (max-width: 1100px) {
  .page { width: calc(100% - 80px); }
  .hero { gap: 24px; grid-template-columns: minmax(0, 1fr) 142px; }
  h1 { font-size: 13.8vw; }
  .ornament, .mood-button, .mood-static { width: 135px; }
  .flower { width: 118px; height: 118px; }
  .content-grid { grid-template-columns: .85fr 1.2fr; gap: 62px; }
  .work h3 { font-size: 27px; }
  .contact { margin-top: 32px; }
  .email-row { gap: 0; }
  .email-link { font-size: 11px; }
}
@media (max-width: 800px) {
  .page { width: calc(100% - 56px); }
  .masthead { min-height: 84px; }
  .hero { padding-top: 46px; padding-bottom: 46px; grid-template-columns: minmax(0, 1fr) 105px; gap: 20px; }
  h1 { font-size: 13.6vw; }
  .ornament, .mood-button, .mood-static { width: 102px; }
  .flower { width: 88px; height: 88px; }
  .mood-caption { font-size: 9px; gap: 3px; white-space: nowrap; }
  .content-grid { gap: 40px; grid-template-columns: .8fr 1.2fr; }
  .about h2 { font-size: 23px; line-height: 1.35; }
  .bio { font-size: 13px; }
  .aside-note { font-size: 21px; }
  .contact .eyebrow { font-size: 8px; letter-spacing: .7px; }
  .email-link { font-size: 10px; }
  .email-row { flex-wrap: wrap; }
  .copy-button { flex-basis: 32px; width: 32px; height: 36px; }
  .section-heading .eyebrow { font-size: 9px; letter-spacing: .7px; }
  .index-label { font-size: 9px; }
  .work-link, .work-item-current { grid-template-columns: 20px minmax(0,1fr) 16px; gap: 8px; }
  .work-followup { margin-left: 28px; margin-right: 24px; font-size: 10px; }
  .work h3 { font-size: 25px; }
  .work-category { font-size: 8px; letter-spacing: .1px; column-gap: 4px; }
  .work-body > p:not(.work-category) { font-size: 11px; }
  .work-link > .arrow { width: 16px; height: 16px; }
  .footer { align-items: flex-end; gap: 20px; margin-top: 30px; }
  .patent-note { gap: 12px; }
  .patent-note > p { font-size: 10px; }
  .signoff { font-size: 10px; }
  .tickets { flex-basis: 80px; }
}
@media (max-width: 640px) {
  .page { width: calc(100% - 48px); }
  .masthead { min-height: 77px; gap: 17px; }
  .wordmark { font-size: 31px; min-width: 31px; }
  .masthead-note { font-size: 10px; }
  .hello-link { font-size: 11px; gap: 7px; }
  .hello-link .arrow { width: 16px; height: 16px; }
  .hero { position: relative; grid-template-columns: 1fr; padding: 44px 0 39px; }
  .hello { margin: 0 0 13px 2px; font-size: 9px; }
  h1 { font-size: clamp(71px, 17.8vw, 113px); letter-spacing: -.042em; }
  .ornament { position: absolute; top: 18px; right: -5px; width: 40px; margin: 0; }
  .mood-button, .mood-static { width: 44px; min-height: 44px; }
  .flower { width: 34px; height: 34px; }
  .mood-caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
  .content-grid { grid-template-columns: 1fr; gap: 36px; padding-top: 0; }
  .about { padding-top: 0; }
  .about h2 { max-width: 350px; font-size: 25px; letter-spacing: -.7px; line-height: 1.36; }
  .bio { max-width: 355px; margin-top: 15px; font-size: 14px; line-height: 1.8; }
  .aside-note { margin-top: 13px; font-size: 23px; }
  .contact { margin-top: 26px; }
  .contact .eyebrow { font-size: 9px; letter-spacing: .9px; }
  .email-row { margin-top: 1px; }
  .email-link { font-size: 12px; }
  .copy-button { width: 44px; height: 44px; flex-basis: 44px; margin-left: 5px; }
  .copy-status { min-height: 0; }
  .copy-status:not(:empty) { margin-top: 3px; }
  .section-heading { padding-bottom: 15px; }
  .section-heading .eyebrow { font-size: 9px; letter-spacing: 1.05px; }
  .work-link, .work-item-current { grid-template-columns: 24px minmax(0,1fr) 20px; gap: 9px; padding: 21px 0 23px; }
  .work-item-current { padding-top: 23px; padding-bottom: 18px; }
  .work-followup { margin-top: -11px; margin-left: 33px; margin-right: 29px; margin-bottom: 20px; font-size: 11px; }
  .work + .work { margin-top: 21px; }
  .work-number { font-size: 10px; }
  .work-category { font-size: 8px; letter-spacing: .4px; column-gap: 6px; }
  .work h3 { font-size: 29px; margin-top: 6px; letter-spacing: -.35px; }
  .work-body > p:not(.work-category) { font-size: 12px; line-height: 1.75; margin-top: 7px; }
  .project-conversation { min-height: 40px; margin-top: 4px; font-size: 11px; }
  .work-link > .arrow { width: 19px; height: 19px; }
  .work-link::before { inset-inline: -10px; }
  .footer { flex-direction: column; align-items: flex-start; gap: 21px; padding: 25px 0 26px; margin-top: 19px; }
  .patent-note { gap: 18px; }
  .patent-note > p { font-size: 10px; line-height: 1.9; max-width: none; }
  .tickets { flex-basis: 76px; margin-left: -5px; }
  .ticket { width: 67px; padding-inline: 7px; }
  .ticket b { padding-left: 5px; }
  .signoff { align-self: flex-end; font-size: 10px; }
}
@media (max-width: 360px) {
  .page { width: calc(100% - 36px); }
  .masthead { gap: 10px; }
  .masthead-note { font-size: 9px; max-width: 125px; }
  .hello-link { font-size: 10px; }
  h1 { font-size: 17.5vw; }
  .hero { padding-top: 40px; }
  .about h2 { font-size: 23px; }
  .aside-note { font-size: 21px; }
  .work h3 { font-size: 26px; }
  .work-category { font-size: 7.5px; }
  .section-heading .eyebrow { font-size: 8px; letter-spacing: .75px; }
  .index-label { font-size: 8px; }
  .email-link { font-size: 11px; }
  .patent-note { gap: 14px; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-name { animation: settle-in .7s var(--ease) both; }
  .ornament { animation: settle-in .8s .06s var(--ease) both; }
  .content-grid { animation: settle-in .8s .1s var(--ease) both; }
  .footer { animation: settle-in .8s .15s var(--ease) both; }
  @keyframes settle-in { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
  .status-dot { background: CanvasText; }
  .work-link::before { display: none; }
  .ticket { border-color: CanvasText; }
}
@media print {
  :root, :root[data-theme="dark"] { color-scheme: light; --paper: #fff; --ink: #000; --text: #222; --muted: #444; --line: #ccc; --line-strong: #aaa; }
  .page { width: 100%; }
  .masthead { min-height: 54px; }
  .hero { padding: 25px 0; }
  h1 { font-size: 100px; }
  .ornament, .copy-button, .copy-status, .skip-link, .contact-plus { display: none !important; }
  .content-grid { grid-template-columns: .85fr 1.2fr; gap: 45px; }
  .about { padding-top: 28px; }
  .about h2 { font-size: 23px; }
  .work-link, .work-item-current { padding-block: 15px; }
  .work-item { break-inside: avoid; }
  .footer { break-inside: avoid; margin-top: 20px; }
  * { animation: none !important; transition: none !important; }
}