/* Indigo Blue palette from Yevhen_Boiko_CV_02_Indigo_Blue. */
:root {
  --page: #f7f8fc;
  --surface: #ffffff;
  --ink: #282650;
  --body: #242c32;
  --muted: #53616b;
  --accent: #4c50a6;
  --accent-light: #93dce7;
  --line: #dcdfee;
  --soft-accent: #edf0fb;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --gradient: linear-gradient(90deg, #474096 0%, #477acd 55%, #93dce7 100%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { margin: 0; color: var(--body); background: var(--page); font: 1rem/1.7 var(--font); -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; }
body::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--gradient); z-index: 20; }
::selection { background: #dce3fb; color: var(--ink); }
h1, h2, h3, h4, h5, p, figure { margin: 0; }
h1, h2, h3, h4, h5 { color: var(--ink); line-height: 1.15; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a, button, summary { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }
.container { width: min(1200px, calc(100% - 6rem)); margin-inline: auto; }
.section-space { padding-block: 6.5rem; }
.eyebrow { font-size: .8125rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.mono { font-family: var(--mono); font-size: .8125rem; letter-spacing: .01em; }
.accent { color: var(--accent); }
.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; top: -6rem; left: 1rem; z-index: 100; padding: .65rem 1rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; }

/* Navigation remains available without JavaScript or a mobile menu. */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(247,248,252,.96); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; justify-content: space-between; align-items: center; min-height: 5.5rem; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .9rem; color: var(--ink); }
.brand-mark { font-size: 2.1rem; font-weight: 750; letter-spacing: -.09em; line-height: 1; }
.brand-mark span { color: var(--accent); }
.brand-name { font-size: .875rem; font-weight: 650; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(1.2rem, 3vw, 2.75rem); }
nav a { display: inline-flex; align-items: center; gap: .4rem; min-height: 44px; font-size: .875rem; font-weight: 550; }
nav a:hover { color: var(--accent); }

/* Hero: a personal introduction alongside a typographic index of the work. */
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); column-gap: 5.5rem; padding-top: 4.6rem; }
.hero-content > .eyebrow { display: flex; align-items: center; gap: .55rem; }
.location-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 { margin-block: 1.8rem 1.65rem; font-size: clamp(4.7rem, 8vw, 7.1rem); line-height: .92; font-weight: 650; letter-spacing: -.075em; }
.hero-role { color: var(--ink); font-size: clamp(1.1rem, 1.7vw, 1.4rem); font-weight: 650; line-height: 1.5; letter-spacing: -.02em; }
.hero-role span { font-weight: 400; }
.hero-intro { margin-top: 1.35rem; max-width: 32rem; font-size: 1.0625rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1.1rem; padding: .85rem 1.15rem; min-height: 50px; border: 1px solid transparent; border-radius: 4px; font-size: .9375rem; font-weight: 600; transition: background .2s, border-color .2s; }
.button-primary { background: var(--ink); color: white; }
.button-primary:hover { background: #3b3b75; }
.button-secondary { border-color: #cbd2e7; background: transparent; color: var(--ink); }
.button-secondary:hover { border-color: var(--accent); background: white; }
.button-note { font-size: .75rem; letter-spacing: .04em; color: var(--accent); }
.hero-index { align-self: center; position: relative; margin-top: 2.5rem; border-top: 3px solid transparent; border-image: var(--gradient) 1; }
.index-heading { display: flex; align-items: center; justify-content: space-between; padding-block: 1.5rem; border-bottom: 1px solid var(--line); }
.index-cross { color: var(--accent); font-size: 1.7rem; line-height: 1; font-weight: 300; }
.index-item { display: grid; grid-template-columns: 1.7rem 1fr 1.2rem; gap: .8rem; padding: 1.7rem 0; border-bottom: 1px solid var(--line); }
.index-number { color: var(--accent); font-family: var(--mono); font-size: .8125rem; padding-top: .2rem; }
.index-item h2 { font-size: 1.3125rem; font-weight: 600; letter-spacing: -.035em; }
.index-item p { margin-top: .6rem; font-size: 1rem; line-height: 1.65; color: var(--muted); }
.index-arrow { color: var(--accent); transition: transform .2s; }
.index-item:hover .index-arrow { transform: translate(3px, -3px); }
.index-item:hover h2 { color: var(--accent); }
.index-footnote { margin-top: 1.35rem; font-size: .8125rem; line-height: 1.7; color: var(--muted); }
.hero-bottom { grid-column: 1 / -1; display: grid; grid-template-columns: .8fr 1fr 1.3fr; gap: 2rem; margin-top: 4.5rem; padding-block: 1.6rem; border-block: 1px solid var(--line); }
.hero-bottom p { display: flex; flex-direction: column; gap: .3rem; }
.hero-bottom strong { font-size: 1rem; font-weight: 600; color: var(--ink); }
.hero-bottom span { font-size: .875rem; color: var(--muted); }
.hero-bottom p + p { border-left: 1px solid var(--line); padding-left: 2rem; }

/* Long-form project narratives, with evidence next to each decision. */
.section-heading { display: grid; grid-template-columns: 15rem 1fr; gap: 3rem; margin-bottom: 4rem; }
.section-heading > .eyebrow { padding-top: .45rem; }
.section-heading h2 { font-size: clamp(2.1rem, 3.4vw, 3rem); letter-spacing: -.045em; font-weight: 550; }
.section-heading p:not(.eyebrow) { margin-top: 1rem; max-width: 38rem; }
.case-study { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 3rem; padding-block: 3.5rem 4rem; border-top: 1px solid var(--line); scroll-margin-top: 1rem; }
.case-study:last-child { padding-bottom: 0; }
.case-meta { align-self: start; }
.case-number { display: block; font-family: var(--mono); font-size: .8125rem; color: var(--accent); margin-bottom: 1.2rem; }
.case-meta h3 { font-size: 1.25rem; letter-spacing: -.03em; font-weight: 650; }
.case-meta p { font-size: .875rem; line-height: 1.7; margin-top: .85rem; }
.case-meta .case-dates { color: var(--muted); font-size: .8125rem; margin-top: .6rem; }
.status-tag { display: inline-block; margin-top: 1.2rem; padding: .3rem .6rem; border: 1px solid #d6daf0; color: #4c50a6; border-radius: 3px; font-size: .75rem; font-weight: 550; line-height: 1.5; }
.case-domain { font-size: .8125rem; color: var(--accent); margin-bottom: .9rem; font-weight: 600; }
.case-content h4 { font-size: clamp(1.8rem, 2.7vw, 2.5rem); font-weight: 550; letter-spacing: -.04em; line-height: 1.15; }
.case-lead { margin-top: 1.3rem; font-size: 1.0625rem; line-height: 1.8; }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-block: 2rem 2.25rem; }
.decision-grid h5 { font-size: .875rem; font-weight: 650; margin-bottom: .6rem; }
.decision-grid p { font-size: 1rem; line-height: 1.75; }

/* The architecture sketch uses HTML so labels stay readable on small screens. */
.workflow { background: var(--ink); color: #dde4f5; padding: 1.55rem; border-radius: 7px; }
.workflow-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: center; border-bottom: 1px solid #5b638e; padding-bottom: 1rem; }
.workflow-heading .mono { color: #bbd3f5; }
.workflow-label { font-size: .75rem; color: #c5cce5; }
.flow-main { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.35rem; }
.flow-main li { position: relative; display: flex; flex-direction: column; gap: .25rem; padding: .8rem; border: 1px solid #7b86b2; border-radius: 4px; background: #343865; }
.flow-main li + li::before { content: "→"; position: absolute; left: -1.13rem; top: 42%; color: #afc5f0; font-size: .875rem; }
.flow-main strong { font-size: .9375rem; color: white; font-weight: 600; }
.flow-main li > span:last-child { font-size: .8125rem; line-height: 1.5; }
.node-order { font: .75rem/1.4 var(--mono); color: #adbde1; margin-bottom: .35rem; }
.flow-divider { display: flex; justify-content: space-between; gap: 1rem; margin-block: 1rem; color: #c9d6f2; font-size: .8125rem; }
.flow-branches { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.branch { display: flex; flex-direction: column; gap: .4rem; padding: .8rem; border: 1px solid #7888b4; background: #343865; border-radius: 4px; }
.branch > span { font: .8125rem/1.5 var(--mono); color: #c9d6f2; }
.branch strong { display: flex; align-items: center; gap: .4rem; font-size: .8125rem; font-weight: 500; color: #b2c8f5; }
.branch-dot { width: 5px; height: 5px; border-radius: 50%; background: #b2c8f5; flex: 0 0 auto; }
.branch.is-retrying { border-color: #d9b57f; background: #41425d; }
.branch.is-retrying strong { color: #f5d3a1; }
.branch.is-retrying .branch-dot { background: #f5d3a1; }
.flow-result { display: flex; align-items: center; gap: .75rem; font-size: .8125rem; padding-block: 1rem; border-bottom: 1px solid #5b638e; }
.flow-result > span:first-child { color: var(--accent-light); }
.flow-result strong { margin-left: auto; color: #d3e9fc; padding: .35rem .6rem; border: 1px solid #7e9bc9; border-radius: 3px; font-weight: 500; }
.retry-note { padding: .85rem 1rem; margin-top: 1rem; border-left: 2px solid #e4bb82; background: #3e436c; color: #e8e8ee; font-size: .875rem; line-height: 1.7; }
.retry-note strong { color: #ffddb0; }
.workflow-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem 1.3rem; justify-content: space-between; margin-top: 1rem; }
.workflow-bottom > span { font-size: .75rem; line-height: 1.7; color: #c6d1e9; flex: 1 1 230px; }
.state-symbol { color: var(--accent-light); font-size: 1rem; vertical-align: -.06em; margin-right: .3rem; }
.workflow-toggle { cursor: pointer; border: 1px solid #8c9dc7; border-radius: 3px; padding: .6rem .7rem; background: transparent; color: #d5e7fa; font-size: .8125rem; min-height: 44px; }
.workflow-toggle:hover { background: #464e80; }
.workflow-toggle:focus-visible { outline-color: #b8def7; }
.workflow figcaption { font-size: .75rem; line-height: 1.7; color: #c0cce6; margin-top: 1rem; }

.outcome { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; margin-top: 1.25rem; padding: 1.4rem 1.5rem; border-radius: 5px; }
.outcome-teal { background: var(--soft-accent); }
.outcome-number { color: var(--ink); font-size: 2.5rem; letter-spacing: -.06em; line-height: 1.1; font-weight: 550; }
.outcome-number > span { color: var(--accent); font-weight: 400; }
.outcome-number small { display: block; font-size: .875rem; font-weight: 450; color: var(--muted); letter-spacing: 0; margin-top: .5rem; }
.outcome p { font-size: 1rem; line-height: 1.7; }
.outcome p strong { color: var(--ink); font-weight: 600; }
.case-details { margin-top: 1.5rem; border-bottom: 1px solid var(--line); }
.case-details summary { display: flex; align-items: center; gap: 1rem; justify-content: space-between; min-height: 56px; padding-block: .85rem; cursor: pointer; list-style: none; font-size: 1rem; color: var(--ink); font-weight: 550; line-height: 1.6; }
.case-details summary::-webkit-details-marker { display: none; }
.case-details summary > span { color: var(--accent); font-size: 1.25rem; transition: transform .2s; }
.case-details[open] summary > span { transform: rotate(45deg); }
.case-details summary:hover { color: var(--accent); }
.details-body { padding: .25rem 0 1.5rem; }
.details-body p + p { margin-top: 1rem; }
.tech-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.25rem 0 0; }
.tech-list li { font-size: .75rem; color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: .25rem .55rem; }
.case-result { display: flex; gap: 1rem; align-items: flex-start; margin-top: 1.5rem; padding: 1.1rem 0; }
.result-marker { color: var(--accent); font-size: 1.5rem; line-height: 1.3; }
.case-result p { font-size: 1rem; line-height: 1.75; }
.case-result strong { color: var(--ink); font-weight: 600; }

.import-model { border: 1px solid var(--line); border-radius: 5px; background: white; overflow: hidden; }
.import-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; padding: 1.1rem 1.35rem; border-bottom: 1px solid var(--line); }
.import-head .mono { color: var(--accent); }
.small-label { font-size: .75rem; color: var(--muted); }
.import-row { display: grid; grid-template-columns: 1.5rem 6.5rem 1fr; gap: .75rem; align-items: baseline; padding: 1.1rem 1.35rem; border-bottom: 1px solid var(--line); }
.import-index { font: .75rem var(--mono); color: var(--accent); }
.import-row h5 { font-size: .9375rem; font-weight: 600; }
.import-row p { font-size: 1rem; line-height: 1.7; }
.import-preview { padding: 1.3rem; background: #f0f2fb; }
.import-preview strong { display: block; color: var(--ink); font-size: .9375rem; font-weight: 600; }
.import-preview div > span { display: block; margin-top: .35rem; font-size: .8125rem; color: var(--muted); }
.import-preview ul { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .45rem 1.1rem; }
.import-preview li { font-size: .8125rem; color: #4d509b; }
.import-preview li::before { content: "✓"; margin-right: .35rem; }
.research-method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-block: 1px solid var(--line); padding-block: 1.5rem; }
.method-step { padding-right: 1.2rem; }
.method-step + .method-step { padding-inline: 1.2rem; border-left: 1px solid var(--line); }
.method-step:last-child { padding-right: 0; }
.method-label { font-size: .75rem; color: var(--accent); }
.method-step h5 { font-size: 1rem; line-height: 1.35; margin-block: .75rem; font-weight: 600; }
.method-step p { font-size: 1rem; line-height: 1.7; }

/* Experience reads as a timeline, with contract overlaps kept explicit. */
.experience-section { background: #eff1f9; border-block: 1px solid var(--line); }
.experience-layout { display: grid; grid-template-columns: 20rem minmax(0, 1fr); gap: 5rem; }
.experience-intro h3 { font-size: 1.5rem; font-weight: 550; line-height: 1.3; letter-spacing: -.03em; }
.experience-intro p { margin-block: 1.2rem 1.5rem; }
.text-link { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; font-size: .9375rem; font-weight: 550; color: var(--accent); text-decoration: underline; text-underline-offset: .3em; text-decoration-color: #aebde5; }
.text-link:hover { color: var(--ink); text-decoration-color: currentColor; }
.timeline { border-left: 1px solid #cdd5ea; padding-left: 1.75rem; }
.timeline-item { display: grid; grid-template-columns: 7.7rem minmax(0, 1fr); gap: 1.5rem; position: relative; padding-bottom: 2.25rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -2rem; top: .42rem; width: 7px; height: 7px; background: #f1f3fb; border: 1.5px solid var(--accent); border-radius: 50%; }
.timeline-date { font-size: .8125rem; color: var(--muted); padding-top: .1rem; }
.timeline-item h3 { font-size: 1.125rem; font-weight: 650; letter-spacing: -.02em; }
.timeline-role { font-size: .875rem; color: var(--ink); margin-top: .4rem; font-weight: 500; }
.timeline-item div > p:not(.timeline-role) { font-size: 1rem; line-height: 1.75; margin-top: .65rem; }
.timeline-item div > p.timeline-note { font-size: .8125rem; color: var(--muted); }
.toolbox { margin-top: 3.5rem; padding-top: 1.75rem; border-top: 1px solid #d5dced; display: grid; grid-template-columns: 15rem 1fr; gap: 3rem; }
.toolbox .eyebrow { padding-top: .2rem; }
.toolbox div { display: flex; flex-wrap: wrap; gap: .75rem 1.4rem; }
.toolbox div span { color: var(--ink); font-size: .9375rem; }

.project-list { border-top: 1px solid var(--line); }
.project-item { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 3rem; align-items: start; padding-block: 1.85rem; border-bottom: 1px solid var(--line); }
.project-kind { color: var(--accent); font-size: .8125rem; }
.project-kind span { display: block; color: var(--muted); margin-top: .4rem; font-size: .75rem; }
.project-item h3 { font-size: 1.35rem; letter-spacing: -.03em; font-weight: 550; }
.project-item p { margin-top: .65rem; font-size: 1rem; max-width: 43rem; }
.project-featured { padding-block: 2.4rem; }
.project-featured h3 { font-size: 1.65rem; }
.project-featured .text-link { margin-top: .8rem; }
.projects-github { margin-top: 1.4rem; }
.background-note { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.background-note p { color: var(--ink); font-weight: 550; margin-top: .75rem; }
.background-note div > span:last-child { display: block; font-size: .875rem; color: var(--muted); margin-top: .3rem; }

.contact-section { background: var(--ink); border-top: 4px solid transparent; border-image: var(--gradient) 1; color: #d7def0; padding-block: 5rem; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.contact-section .eyebrow { color: #b2c7f8; }
.contact-section h2 { margin-top: 1.5rem; color: white; font-size: clamp(2.5rem, 4vw, 3.75rem); font-weight: 500; letter-spacing: -.045em; }
.contact-section h2 span { color: #93dce7; }
.contact-inner > div > p:not(.eyebrow) { margin-top: 1.3rem; }
.contact-actions { align-self: center; padding-top: 2rem; }
.contact-email { display: flex; justify-content: space-between; gap: .75rem; padding-block: 1rem; border-bottom: 1px solid #636f9e; color: white; font-size: clamp(1.15rem, 2vw, 1.75rem); font-weight: 450; letter-spacing: -.025em; overflow-wrap: anywhere; }
.contact-email span { color: var(--accent-light); }
.contact-links { display: flex; flex-wrap: wrap; gap: 2rem; margin-top: 1.25rem; }
.contact-links a, .contact-downloads a { display: inline-flex; align-items: center; min-height: 44px; font-size: .9375rem; }
.contact-downloads { display: flex; flex-wrap: wrap; gap: 1.75rem; margin-top: 1.1rem; color: #c1d5fb; }
.contact-section a:hover { color: #b9e2f7; }
.contact-section a:focus-visible { outline-color: #b9e2f7; }
.site-footer { background: #202044; color: #c6cfe8; font-size: .8125rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1.5rem; min-height: 5rem; padding-block: .8rem; }
.footer-inner a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-inner a:hover { color: white; }
.site-footer a:focus-visible { outline-color: #b9e2f7; }

@media (min-width: 1100px) {
  .case-meta { position: sticky; top: 7.5rem; }
}
@media (max-width: 1100px) {
  .hero { gap: 3rem; }
  .section-heading, .case-study, .toolbox { grid-template-columns: 12rem minmax(0, 1fr); gap: 2rem; }
  .project-item { grid-template-columns: 12rem minmax(0, 1fr); gap: 2rem; }
  .experience-layout { grid-template-columns: 16rem minmax(0, 1fr); gap: 3rem; }
  .timeline-item { grid-template-columns: 1fr; gap: .6rem; }
  .decision-grid { gap: 1.4rem; }
  .outcome { grid-template-columns: 1fr; gap: 1rem; }
  .outcome-number small { display: inline; margin-left: .4rem; }
}
@media (max-width: 850px) {
  .container { width: calc(100% - 3rem); }
  .hero { gap: 2rem; }
  .hero h1 { font-size: clamp(4.4rem, 9vw, 6rem); }
  .hero-intro { font-size: 1rem; }
  .index-item { grid-template-columns: 1.5rem 1fr 1rem; gap: .5rem; }
  .index-item p br { display: none; }
  .hero-bottom { gap: 1rem; }
  .hero-bottom p + p { padding-left: 1rem; }
  .section-heading, .case-study { grid-template-columns: 1fr; gap: 1.75rem; }
  .section-heading { margin-bottom: 3rem; }
  .case-meta { display: grid; grid-template-columns: 2rem 1fr auto; gap: .25rem 1rem; align-items: start; }
  .case-number { grid-row: 1 / 4; margin: .2rem 0 0; }
  .case-meta h3 { grid-column: 2; }
  .case-meta .case-dates { grid-column: 3; grid-row: 1; margin-top: .1rem; }
  .case-meta p:not(.case-dates) { grid-column: 2; margin-top: .4rem; }
  .case-meta .status-tag { grid-column: 3; grid-row: 2; margin-top: .35rem; justify-self: start; }
  .case-content h4 { font-size: 2.15rem; }
  .outcome { grid-template-columns: auto 1fr; gap: 1.5rem; }
  .outcome-number small { display: block; margin-left: 0; }
  .experience-layout { grid-template-columns: 1fr; gap: 2.75rem; }
  .experience-intro { max-width: 37rem; }
  .timeline-item { grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1.2rem; }
  .toolbox { grid-template-columns: 1fr; gap: 1rem; }
  .project-item { grid-template-columns: 8rem minmax(0, 1fr); gap: 1.5rem; }
  .contact-inner { gap: 2rem; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 6rem; }
  .container { width: calc(100% - 2.5rem); }
  .section-space { padding-block: 4rem; }
  .header-inner { min-height: 4.5rem; gap: 1rem; }
  .brand-name { display: none; }
  nav { gap: 1.15rem; }
  nav a { font-size: .875rem; }
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; gap: 0; }
  .hero h1 { font-size: clamp(4.5rem, 19vw, 6.3rem); margin-block: 1.5rem; }
  .hero-role { font-size: 1.2rem; }
  .hero-intro { max-width: 34rem; }
  .hero-actions { gap: .6rem; }
  .button { padding-inline: 1rem; font-size: .875rem; gap: .75rem; }
  .hero-index { margin-top: 3rem; }
  .index-heading { padding-block: 1.1rem; }
  .index-item { padding-block: 1.15rem; grid-template-columns: 1.6rem 1fr 1rem; gap: .6rem; }
  .index-item h2 { font-size: 1.15rem; }
  .index-item p { margin-top: .4rem; }
  .index-footnote { display: none; }
  .hero-bottom { grid-template-columns: 1fr 1fr; margin-top: 2rem; padding-block: 1.25rem; gap: 1.2rem; }
  .hero-bottom p + p { padding-left: 0; border: 0; }
  .hero-bottom p:last-child { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 1rem; }
  .hero-bottom strong { font-size: .9375rem; }
  .hero-bottom span { font-size: .8125rem; }
  .section-heading { gap: 1.15rem; margin-bottom: 2rem; }
  .section-heading h2 { font-size: 2.2rem; }
  .case-study { padding-block: 2.25rem 3rem; gap: 1.75rem; }
  .case-meta { grid-template-columns: 1.5rem 1fr; gap: .2rem .75rem; }
  .case-meta .case-dates { grid-column: 2; grid-row: auto; }
  .case-meta p:not(.case-dates) { grid-column: 2; }
  .case-meta .status-tag { grid-column: 2; grid-row: auto; margin-top: .5rem; }
  .case-content h4 { font-size: 1.85rem; }
  .case-content h4 br { display: none; }
  .case-lead { font-size: 1rem; }
  .decision-grid { grid-template-columns: 1fr; margin-block: 1.5rem; gap: 1.5rem; }
  .workflow { padding: 1.1rem; }
  .workflow-heading { flex-wrap: wrap; gap: .35rem; }
  .flow-main { grid-template-columns: 1fr; gap: 1.25rem; margin-top: 1.1rem; }
  .flow-main li { display: grid; grid-template-columns: 1.5rem 1fr; gap: .15rem .5rem; }
  .flow-main .node-order { grid-row: 1 / 3; margin: .1rem 0 0; }
  .flow-main li > span:last-child { grid-column: 2; }
  .flow-main li + li::before { content: "↓"; top: -1.4rem; left: 50%; }
  .flow-divider { font-size: .8125rem; }
  .flow-branches { gap: .4rem; }
  .branch { padding: .6rem .45rem; }
  .branch > span, .branch strong { font-size: .75rem; }
  .branch strong { gap: .25rem; }
  .flow-result { flex-wrap: wrap; gap: .5rem; }
  .flow-result strong { margin-left: 1rem; }
  .outcome { grid-template-columns: 1fr; gap: 1rem; padding: 1.2rem; }
  .outcome-number { font-size: 2.35rem; }
  .outcome-number small { display: inline; margin-left: .4rem; }
  .case-details summary { font-size: 1rem; }
  .import-head { padding: 1rem; }
  .import-row { grid-template-columns: 1.25rem 1fr; gap: .4rem .5rem; padding: 1rem; }
  .import-row p { grid-column: 2; }
  .import-preview { padding: 1rem; }
  .research-method { grid-template-columns: 1fr; padding: 0; border-bottom: 0; }
  .method-step, .method-step + .method-step, .method-step:last-child { padding: 1.15rem 0; border: 0; border-bottom: 1px solid var(--line); }
  .method-step h5 { margin-block: .45rem; }
  .timeline { padding-left: 1.35rem; }
  .timeline-item { grid-template-columns: 1fr; gap: .55rem; padding-bottom: 2rem; }
  .timeline-item::before { left: -1.6rem; }
  .project-item { grid-template-columns: 1fr; gap: .7rem; padding-block: 1.5rem; }
  .project-kind { grid-column: 1; }
  .project-kind br { display: none; }
  .project-kind span { display: inline; margin-left: .5rem; }
  .project-item > div:nth-child(2) { grid-column: 1; }
  .project-featured h3 { font-size: 1.4rem; }
  .background-note { grid-template-columns: 1fr; gap: 1.75rem; margin-top: 2.5rem; }
  .contact-section { padding-block: 3.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .contact-section h2 { font-size: 2.7rem; }
  .contact-actions { padding-top: 0; }
  .contact-email { font-size: 1.35rem; }
  .desktop-break { display: none; }
  .footer-alias { display: none; }
  .footer-inner { font-size: .75rem; }
}
@media (max-width: 359px) {
  .container { width: calc(100% - 2rem); }
  nav { gap: .75rem; }
  .brand-mark { font-size: 1.9rem; }
  .flow-branches { grid-template-columns: 1fr; }
  .branch { flex-direction: row; justify-content: space-between; padding: .55rem .75rem; }
  .contact-email { font-size: 1.15rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  @page { margin: 16mm; }
  body { color: #222; background: white; font-size: 10pt; }
  .container { width: 100%; }
  .site-header, .hero-index, .hero-actions, .workflow-toggle, .contact-downloads, .site-footer, .skip-link { display: none !important; }
  .hero, .section-heading, .case-study, .experience-layout, .contact-inner { display: block; }
  .hero { padding-top: 0; }
  .hero h1 { font-size: 42pt; line-height: 1; margin-block: 0 12pt; }
  .hero h1 br { display: none; }
  .hero-role { font-size: 14pt; }
  .hero-intro { max-width: none; font-size: 10pt; }
  .hero-bottom { margin-top: 18pt; padding-block: 12pt; }
  .section-space { padding-block: 20pt; }
  .section-heading { margin-bottom: 18pt; }
  .section-heading h2 { font-size: 24pt; margin-top: 8pt; }
  .case-study { padding-block: 18pt; }
  .case-meta { position: static; margin-bottom: 16pt; }
  .case-number { display: none; }
  .case-content h4 { font-size: 20pt; }
  .case-content p, .timeline-item p { font-size: 10pt; }
  .workflow, .import-model, .research-method, .outcome, .timeline-item, .project-item { break-inside: avoid; }
  .workflow, .contact-section, .experience-section { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .contact-section { padding-block: 20pt; }
  .contact-section h2 { font-size: 26pt; }
  .contact-actions { padding-top: 12pt; }
  .contact-email { font-size: 16pt; }
  .experience-intro { margin-bottom: 18pt; }
  .background-note { margin-top: 20pt; }
}