@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&display=swap");

:root {
  color-scheme: light;
  --page: #ffffff;
  --surface: #f6f3fb;
  --ink: #1e1a24;
  --muted: #6a6570;
  --indigo: #38265f;
  --purple: #6f4db6;
  --purple-dark: #563796;
  --lavender: #9071ce;
  --line: #d8d4df;
  --focus: #246bce;
  --radius: 8px;
  --gutter: 20px;
  --ease: 180ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--page); color: var(--ink); font-family: "DM Sans", "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.62; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
button { font: inherit; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 100; left: var(--gutter); top: -4rem; padding: .7rem 1rem; background: var(--focus); color: white; font-weight: 700; }
.skip-link:focus { top: var(--gutter); }
.container { width: min(1280px, calc(100% - (var(--gutter) * 2))); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.site-header__inner { position: relative; min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--indigo); font-size: 1rem; font-weight: 700; letter-spacing: -.025em; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--purple); }
.site-nav { display: none; }
.site-nav a { display: flex; align-items: center; min-height: 48px; border-bottom: 1px solid var(--line); color: var(--indigo); font-size: .94rem; font-weight: 600; text-decoration: none; }
.site-nav a:last-child { border-bottom: 0; }
.site-nav a.is-active, .site-nav a[aria-current="page"] { color: var(--purple); }
.menu-toggle { min-width: 88px; min-height: 44px; display: inline-flex; align-items: center; justify-content: space-between; gap: .65rem; padding: .55rem .7rem; border: 1px solid var(--indigo); border-radius: 6px; color: var(--indigo); background: var(--page); font-family: "DM Mono", monospace; font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; cursor: pointer; }
.menu-toggle__mark, .menu-toggle__mark::before { display: block; width: 13px; height: 1px; background: currentColor; content: ""; transition: transform var(--ease); }
.menu-toggle__mark::before { transform: translateY(-4px); }
.menu-toggle[aria-expanded="true"] .menu-toggle__mark { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__mark::before { transform: rotate(-90deg); }
.site-nav.is-open { position: absolute; top: calc(100% + 1px); left: calc(var(--gutter) * -1); right: calc(var(--gutter) * -1); display: grid; padding: .5rem var(--gutter) 1rem; border-bottom: 1px solid var(--indigo); background: var(--page); }

.hero { padding: 64px 0 80px; }
.hero__grid { display: grid; gap: 40px; }
.hero__copy h1, h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--indigo); letter-spacing: -.048em; line-height: 1.02; }
h1 { max-width: 10.5ch; margin-bottom: 24px; font-size: clamp(3rem, 14vw, 5.5rem); }
h2 { max-width: 16ch; margin-bottom: 0; font-size: clamp(2rem, 8vw, 3.65rem); }
h3 { font-size: clamp(1.45rem, 5vw, 2.25rem); }
.eyebrow, .project-type, .proof-rail__label { margin-bottom: 12px; color: var(--purple); font-family: "DM Mono", monospace; font-size: .72rem; font-weight: 500; letter-spacing: .105em; line-height: 1.4; text-transform: uppercase; }
.lead { max-width: 38rem; margin-bottom: 0; color: var(--muted); font-size: clamp(1.1rem, 4.7vw, 1.35rem); line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; gap: .8rem; padding: .75rem 1rem; border: 1px solid var(--purple); border-radius: var(--radius); background: var(--purple); color: white; font-size: .95rem; font-weight: 700; text-decoration: none; transition: background var(--ease), border-color var(--ease); }
.button:hover { background: var(--purple-dark); border-color: var(--purple-dark); }
.text-link { display: inline-flex; align-items: baseline; gap: .45rem; color: var(--indigo); font-weight: 700; text-decoration: underline; text-decoration-color: var(--lavender); transition: color var(--ease), text-decoration-color var(--ease); }
.text-link:hover { color: var(--purple); text-decoration-color: currentColor; }
.proof-rail { align-self: end; padding: 20px; border-top: 2px solid var(--indigo); background: var(--surface); }
.proof-rail__label { color: var(--indigo); }
.proof-rail ul { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; font-size: 1rem; }
.proof-rail li { padding-bottom: 7px; border-bottom: 1px solid var(--line); }
.proof-rail li::before { padding-right: .65rem; color: var(--lavender); content: "/"; }

.section { padding: 72px 0; }
.section--tint { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.section--work { border-top: 1px solid var(--line); }
.section-intro { max-width: 700px; margin-bottom: 40px; }
.section-intro--split { display: grid; gap: 20px; max-width: none; }
.section-intro--split > p { max-width: 35rem; margin: 0; color: var(--muted); font-size: 1.06rem; }
.feature-project { display: grid; border-top: 1px solid var(--indigo); }
.feature-project__visual { position: relative; display: block; min-height: 220px; overflow: hidden; background: var(--surface); border-bottom: 1px solid var(--line); }
.feature-project__visual img { height: 100%; min-height: 220px; object-fit: cover; object-position: top left; transition: transform 400ms cubic-bezier(.2,.7,.2,1); }
.feature-project__visual:hover img, .feature-project__visual:focus-visible img { transform: scale(1.015); }
.feature-project__index { position: absolute; left: 14px; top: 14px; display: grid; place-items: center; width: 42px; height: 42px; background: var(--indigo); color: white; font-family: "DM Mono", monospace; font-size: .78rem; }
.feature-project__body { padding: 28px 0 0; }
.feature-project__body h3 { max-width: 22ch; margin-bottom: 18px; }
.feature-project__body > p:not(.project-type):not(.evidence-line) { max-width: 53ch; color: var(--muted); }
.evidence-line { padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--indigo); font-family: "DM Mono", monospace; font-size: .76rem; line-height: 1.65; }
.narrative-grid { display: grid; gap: 28px; }
.narrative-grid__body { max-width: 38rem; color: var(--muted); font-size: 1.1rem; }
.narrative-grid__body .text-link { margin-top: 8px; }
.note-preview-grid { display: grid; gap: 40px; }
.note-preview { border-top: 1px solid var(--indigo); }
.note-preview__image { display: block; aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 18px; border-bottom: 1px solid var(--line); background: var(--surface); }
.note-preview__image img { height: 100%; object-fit: cover; transition: transform 400ms cubic-bezier(.2,.7,.2,1); }
.note-preview__image:hover img, .note-preview__image:focus-visible img { transform: scale(1.02); }
.note-preview h3 { margin-bottom: 10px; font-size: clamp(1.4rem, 5vw, 1.8rem); }
.note-preview h3 a { text-decoration: none; }
.note-preview > p:last-child { max-width: 38rem; margin-bottom: 0; color: var(--muted); }
.section-link { margin-top: 48px; }

.page-hero { padding: 68px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero .lead { margin-top: 24px; }
.page-hero--compact { padding-bottom: 40px; }
.work-index { display: grid; gap: 48px; }
.work-entry { display: grid; gap: 24px; padding-top: 18px; border-top: 1px solid var(--indigo); }
.work-entry__figure { display: block; overflow: hidden; background: var(--surface); }
.work-entry__figure img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; transition: transform 400ms cubic-bezier(.2,.7,.2,1); }
.work-entry__figure:hover img, .work-entry__figure:focus-visible img { transform: scale(1.015); }
.work-entry__content h2 { margin-bottom: 16px; font-size: clamp(1.75rem, 5vw, 2.6rem); }
.work-entry__content > p:not(.project-type) { max-width: 56ch; color: var(--muted); }
.metadata { display: grid; grid-template-columns: 1fr; margin: 24px 0; border-top: 1px solid var(--line); }
.metadata div { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.metadata dt { color: var(--muted); font-family: "DM Mono", monospace; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.metadata dd { margin: 0; color: var(--indigo); font-weight: 600; }
.quiet-note { max-width: 680px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); }
.about-layout { display: grid; gap: 56px; }
.about-copy { max-width: 700px; font-size: 1.08rem; }
.about-copy p { color: var(--muted); }
.about-copy p:first-of-type { color: var(--ink); font-size: 1.2rem; }
.capability-list, .experience-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--indigo); }
.capability-list li, .experience-list li { display: grid; gap: 8px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.capability-list strong, .experience-list strong { color: var(--indigo); font-size: 1.08rem; }
.capability-list span, .experience-list span { color: var(--muted); }
.about-section + .about-section { margin-top: 56px; }
.about-section h2 { margin-bottom: 24px; font-size: clamp(1.65rem, 5vw, 2.25rem); }

.notes-list { display: grid; gap: 48px; }
.note-row { display: grid; gap: 22px; padding-top: 18px; border-top: 1px solid var(--indigo); }
.note-row__visual { display: block; overflow: hidden; aspect-ratio: 16 / 9; background: var(--surface); }
.note-row__visual img { height: 100%; object-fit: cover; transition: transform 400ms cubic-bezier(.2,.7,.2,1); }
.note-row__visual:hover img, .note-row__visual:focus-visible img { transform: scale(1.015); }
.note-row h2 { margin-bottom: 14px; font-size: clamp(1.7rem, 6vw, 2.45rem); }
.note-row h2 a { text-decoration: none; }
.note-row p:not(.project-type) { max-width: 55ch; color: var(--muted); }
.note-article { padding: 64px 0 72px; }
.note-article__header { max-width: 780px; margin-bottom: 48px; }
.note-article__header h1 { max-width: 13ch; }
.note-article__header .lead { margin-top: 20px; }
.note-figure { margin: 0 0 48px; border-top: 1px solid var(--indigo); border-bottom: 1px solid var(--line); background: var(--surface); }
.note-figure img { max-height: min(70vw, 680px); object-fit: contain; }
.note-figure img[data-replayable] { cursor: pointer; }
.note-figure figcaption { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; padding: 12px 0; color: var(--muted); font-family: "DM Mono", monospace; font-size: .74rem; }
.gif-replay { flex-shrink: 0; border: 0; padding: 0; background: none; color: var(--indigo); font: inherit; font-weight: 700; text-decoration: underline; text-decoration-color: var(--lavender); cursor: pointer; transition: color var(--ease), text-decoration-color var(--ease); }
.gif-replay:hover { color: var(--purple); text-decoration-color: currentColor; }
.note-content { display: grid; gap: 42px; max-width: 740px; }
.note-content h2 { max-width: none; margin-bottom: 14px; font-size: clamp(1.6rem, 5vw, 2.15rem); }
.note-content p, .note-content li { color: var(--muted); }
.note-content ul { padding-left: 1.2rem; }
.note-content li + li { margin-top: 8px; }
.note-facts { display: grid; gap: 0; border-top: 1px solid var(--indigo); }
.note-facts div { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.note-facts dt { color: var(--muted); font-family: "DM Mono", monospace; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.note-facts dd { margin: 0; color: var(--indigo); font-weight: 500; }
.back-link { margin-top: 16px; }

.site-footer { border-top: 1px solid var(--indigo); }
.site-footer__inner { display: grid; gap: 10px; padding: 24px 0 32px; color: var(--muted); font-family: "DM Mono", monospace; font-size: .72rem; letter-spacing: .03em; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.site-footer a { color: var(--indigo); }

@media (min-width: 768px) {
  :root { --gutter: 32px; }
  .site-header__inner { min-height: 76px; }
  .menu-toggle { display: none; }
  .site-nav { display: flex; align-items: stretch; align-self: stretch; gap: 26px; }
  .site-nav a { position: relative; min-height: auto; border: 0; color: var(--muted); }
  .site-nav a::after { position: absolute; right: 0; bottom: 21px; left: 0; height: 1px; background: var(--purple); content: ""; transform: scaleX(0); transform-origin: left; transition: transform var(--ease); }
  .site-nav a:hover, .site-nav a.is-active, .site-nav a[aria-current="page"] { color: var(--indigo); }
  .site-nav a:hover::after, .site-nav a.is-active::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
  .hero { padding: 112px 0 128px; }
  .hero__grid { grid-template-columns: minmax(0, 8fr) minmax(220px, 4fr); align-items: end; gap: 48px; }
  .proof-rail { margin-bottom: 6px; }
  .section { padding: 104px 0; }
  .section-intro--split { grid-template-columns: minmax(0, 7fr) minmax(250px, 4fr); align-items: end; gap: 48px; }
  .feature-project { grid-template-columns: minmax(0, 7fr) minmax(290px, 5fr); gap: 48px; }
  .feature-project__visual { min-height: 410px; border-bottom: 0; }
  .feature-project__visual img { min-height: 410px; }
  .feature-project__body { align-self: center; padding: 30px 0; }
  .narrative-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 9%; }
  .note-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
  .page-hero { padding: 112px 0 72px; }
  .work-entry { grid-template-columns: minmax(0, 7fr) minmax(270px, 5fr); gap: 48px; }
  .work-entry__content { align-self: center; }
  .metadata { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metadata div:nth-child(odd) { padding-right: 18px; }
  .metadata div:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--line); }
  .about-layout { grid-template-columns: minmax(0, 7fr) minmax(260px, 4fr); gap: 9%; }
  .about-aside { padding-top: 10px; }
  .note-row { grid-template-columns: minmax(0, 5fr) minmax(280px, 5fr); gap: 48px; }
  .note-row__content { align-self: center; }
  .note-article { padding-top: 104px; }
  .note-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .note-facts div { padding-right: 18px; }
  .note-facts div + div { padding-left: 18px; border-left: 1px solid var(--line); }
  .site-footer__inner { grid-template-columns: 1fr auto auto; align-items: center; }
}

@media (min-width: 1100px) {
  :root { --gutter: 48px; }
  h1 { font-size: clamp(4.2rem, 7.3vw, 6.5rem); }
  .hero__grid { grid-template-columns: minmax(0, 8fr) minmax(270px, 3fr); }
  .feature-project { gap: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .note-preview__image img, .note-row__visual img { visibility: hidden; }
  .note-preview__image::after, .note-row__visual::after { display: grid; height: 100%; place-items: center; padding: 1rem; color: var(--muted); content: "Animated visualization"; font-family: "DM Mono", monospace; font-size: .76rem; text-align: center; }
}

/* --- Experience timeline (About) --- */
.timeline { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--indigo); }
.timeline__item { display: grid; gap: 10px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.timeline__period { margin: 0; color: var(--purple); font-family: "DM Mono", monospace; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.timeline__body h3 { margin-bottom: 4px; font-size: clamp(1.3rem, 4.5vw, 1.7rem); }
.timeline__org { margin-bottom: 14px; color: var(--muted); font-size: .98rem; font-weight: 600; }
.timeline__body ul { margin: 0; padding-left: 1.15rem; }
.timeline__body li { max-width: 62ch; color: var(--muted); }
.timeline__body li + li { margin-top: 8px; }

/* --- Skill groups (About) --- */
.skill-groups { display: grid; gap: 0; border-top: 1px solid var(--indigo); }
.skill-group { padding: 24px 0; border-bottom: 1px solid var(--line); }
.skill-group h3 { margin-bottom: 14px; font-size: 1.05rem; letter-spacing: -.01em; }
.skill-group ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.skill-group li { padding: 5px 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--page); color: var(--muted); font-size: .88rem; line-height: 1.45; }
.section--tint .skill-group li { background: var(--page); }

/* --- Practice cards (Home) --- */
.practice-grid { display: grid; gap: 0; border-top: 1px solid var(--indigo); }
.practice-card { padding: 24px 0; border-bottom: 1px solid var(--line); }
.practice-card__step { margin-bottom: 10px; color: var(--lavender); font-family: "DM Mono", monospace; font-size: .74rem; letter-spacing: .1em; }
.practice-card h3 { margin-bottom: 10px; font-size: clamp(1.25rem, 4.5vw, 1.55rem); }
.practice-card p:last-child { max-width: 44ch; margin-bottom: 0; color: var(--muted); font-size: .98rem; }

/* --- Compact work list (Work) --- */
.work-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--indigo); }
.work-list__item { display: grid; gap: 14px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.work-list__meta .project-type { margin-bottom: 6px; }
.work-list__tools { margin: 0; color: var(--muted); font-family: "DM Mono", monospace; font-size: .72rem; letter-spacing: .06em; }
.work-list__body h3 { margin-bottom: 12px; font-size: clamp(1.3rem, 4.5vw, 1.75rem); }
.work-list__body > p { max-width: 58ch; color: var(--muted); }
.work-list__status { padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-family: "DM Mono", monospace; font-size: .74rem; line-height: 1.7; }
.work-list__status .text-link { font-family: "DM Sans", "Helvetica Neue", Arial, sans-serif; font-size: .88rem; }

/* --- Contact panel (all pages) --- */
.contact-section { border-top: 1px solid var(--line); }
.contact-panel { display: grid; gap: 28px; padding: 32px 0 0; border-top: 2px solid var(--indigo); }
.contact-panel h2 { margin-bottom: 16px; font-size: clamp(1.75rem, 6vw, 2.8rem); }
.contact-panel > div > p:last-child { max-width: 48ch; margin-bottom: 0; color: var(--muted); font-size: 1.06rem; }
.contact-panel__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }

@media (min-width: 768px) {
  .about-layout > .about-section + .about-section { margin-top: 0; }
  .timeline__item { grid-template-columns: minmax(150px, 2fr) minmax(0, 9fr); gap: 48px; padding: 36px 0; }
  .skill-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; }
  .practice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; }
  .work-list__item { grid-template-columns: minmax(170px, 3fr) minmax(0, 9fr); gap: 48px; padding: 36px 0; }
  .contact-panel { grid-template-columns: minmax(0, 7fr) minmax(240px, 4fr); align-items: start; gap: 9%; }
  .contact-panel__actions { justify-content: flex-end; }
}

@media (min-width: 1100px) {
  .practice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: 32px; }
  .skill-groups { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}