/* oli — portfolio theme. Ink on paper, hairline grid, drawn-in motion. */
:root {
  --ink: #0b0b0b;
  --paper: #ffffff;
  --muted: #6b7280;
  --line: rgb(11 11 11 / .12);
  --grid-line: rgb(11 11 11 / .06);
  --cell: 64px;
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1440px;
  --font-display: var(--gh-font-heading, "Cal Sans", "Inter Tight", system-ui, sans-serif);
  --font-head: var(--gh-font-heading, "Inter Tight", system-ui, sans-serif);
  --font-body: var(--gh-font-body, "Inter", system-ui, sans-serif);
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .1, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f5f5f4;
    --paper: #0b0b0b;
    --muted: #9ca3af;
    --line: rgb(255 255 255 / .14);
    --grid-line: rgb(255 255 255 / .07);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
code { font-family: var(--font-mono); font-size: .9em; }

.grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--cell) var(--cell);
  mask-image: linear-gradient(to bottom, #000 0, #000 70%, transparent 100%);
}

.caption {
  font: 500 12px/1.4 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.link { transition: opacity .2s; }
.link:hover { opacity: .6; }
.chip {
  font: 500 12px/1 var(--font-mono);
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  white-space: nowrap;
}

/* Header / footer */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px var(--gutter);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.site-mark { color: var(--ink); }
.nav { display: flex; gap: clamp(14px, 3vw, 32px); list-style: none; margin: 0; padding: 0; flex-wrap: wrap; justify-content: flex-end; }
.nav .is-current { color: var(--ink); }
.site-footer {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 28px var(--gutter);
  border-top: 1px solid var(--line);
}

/* Hero */
.hero {
  min-height: calc(100svh - 64px);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 var(--gutter) clamp(32px, 6vh, 72px);
  max-width: var(--max); margin: 0 auto;
}
.hero-top { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 1vh; }
.hero-name {
  margin: 0;
  font: 400 min(15vw, 24svh)/.86 var(--font-display);
  letter-spacing: -.045em;
  overflow-wrap: anywhere;
}
.hero-name .ch { display: inline-block; }
.rule { display: block; height: 1px; background: var(--ink); margin: clamp(20px, 3vh, 36px) 0; transform-origin: left; }
.hero-bottom { display: grid; grid-template-columns: minmax(0, 34rem) auto; justify-content: space-between; align-items: end; gap: 24px; }
.hero-lede { margin: 0; font: 500 clamp(19px, 2vw, 26px)/1.35 var(--font-head); letter-spacing: -.01em; }
.hero-cta { color: var(--ink); }

/* Sections */
.section, .page-head, .article {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(56px, 10vh, 120px) var(--gutter) 0;
}
.section-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding-bottom: 18px;
}
.section-title { margin: 0; font: 600 clamp(32px, 5vw, 64px)/1 var(--font-head); letter-spacing: -.03em; }
.ticks {
  flex: 1; height: 9px; align-self: center; margin-left: 24px;
  background: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 16px);
}
.empty { padding: 32px 0; border-top: 1px solid var(--line); }

/* Work list */
.work-list, .post-list { list-style: none; margin: 0; padding: 0; counter-reset: work; }
.work-row { counter-increment: work; border-top: 1px solid var(--line); }
.work-row:last-child { border-bottom: 1px solid var(--line); }
.work-link {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  grid-template-areas: "num main year" "num thumb thumb";
  gap: 8px 24px;
  padding: clamp(20px, 3vw, 32px) 0;
  position: relative;
}
.work-num { grid-area: num; padding-top: .7em; font-variant-numeric: tabular-nums; }
.work-num::before { content: counter(work, decimal-leading-zero); }
.work-main { grid-area: main; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.work-title {
  font: 400 clamp(30px, 5.4vw, 76px)/1 var(--font-display);
  letter-spacing: -.035em;
  transition: transform .5s var(--ease);
}
.work-excerpt { max-width: 40rem; color: var(--muted); }
.work-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.work-year { grid-area: year; padding-top: .7em; }
.work-thumb {
  grid-area: thumb;
  aspect-ratio: 4 / 3; overflow: hidden; background: var(--line); margin-top: 12px;
}
.work-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
@media (hover: hover) {
  .work-link:hover .work-title { transform: translateX(12px); }
  .work-link:hover .work-thumb img { transform: scale(1.03); }
}
@media (min-width: 900px) {
  .work-link {
    grid-template-columns: 72px minmax(0, 1fr) 300px 64px;
    grid-template-areas: "num main thumb year";
    align-items: start;
  }
  .work-thumb { margin-top: 0; }
  .work-year { text-align: right; }
}

/* Writing list */
.post-row { border-top: 1px solid var(--line); }
.post-row:last-child { border-bottom: 1px solid var(--line); }
.post-link {
  display: grid; grid-template-columns: 140px minmax(0, 1fr) auto; gap: 8px 24px; align-items: baseline;
  padding: 22px 0;
}
.post-title { font: 600 clamp(19px, 2vw, 26px)/1.25 var(--font-head); letter-spacing: -.015em; }
.post-link:hover .post-title { opacity: .6; }
@media (max-width: 640px) {
  .post-link { grid-template-columns: 1fr; }
  .post-read { display: none; }
  .hero-bottom { grid-template-columns: 1fr; }
}

/* About */
.about-body { max-width: 46rem; font-size: clamp(18px, 1.6vw, 21px); }

/* Contact (inverted) */
.contact {
  margin-top: clamp(80px, 14vh, 160px);
  padding: clamp(64px, 12vh, 140px) var(--gutter);
  background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; gap: 24px;
}
.contact .caption { color: color-mix(in srgb, var(--paper) 55%, transparent); }
.contact-title { margin: 0; font: 400 clamp(44px, 9vw, 136px)/.92 var(--font-display); letter-spacing: -.04em; max-width: 14ch; }
.contact-email { font: 600 clamp(20px, 2.6vw, 34px)/1.2 var(--font-head); border-bottom: 1px solid currentColor; align-self: flex-start; overflow-wrap: anywhere; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px 28px; list-style: none; margin: 16px 0 0; padding: 0; }
.contact-links a { color: var(--paper); }

/* Pages + articles */
.page-title { margin: 12px 0 0; font: 400 clamp(44px, 8vw, 120px)/.92 var(--font-display); letter-spacing: -.04em; overflow-wrap: anywhere; }
.page-head .hero-lede { margin-top: 20px; max-width: 40rem; }
.page-head .work-meta { margin-top: 20px; }
.article-image { margin: 0 auto; max-width: var(--max); padding: 0 var(--gutter); }
.article-image figcaption { margin-top: 10px; }
.article-body { max-width: 44rem; margin: 0 auto; padding: clamp(40px, 6vh, 72px) 0 0; }
.article .page-head { padding-left: 0; padding-right: 0; }

/* Ghost content */
.gh-content > * + * { margin-top: 1.4em; }
.gh-content h2 { font: 600 clamp(26px, 3vw, 36px)/1.15 var(--font-head); letter-spacing: -.02em; margin-top: 2em; }
.gh-content h3 { font: 600 22px/1.25 var(--font-head); margin-top: 1.8em; }
.gh-content a { border-bottom: 1px solid currentColor; }
.gh-content a:hover { opacity: .6; }
.gh-content blockquote { margin-left: 0; padding-left: 20px; border-left: 2px solid var(--ink); font: 500 22px/1.4 var(--font-head); }
.gh-content pre { padding: 18px; overflow-x: auto; background: var(--line); font: 14px/1.6 var(--font-mono); }
.gh-content :not(pre) > code { padding: 1px 5px; background: var(--line); border-radius: 4px; }
.gh-content hr { border: 0; height: 1px; background: var(--line); margin: 3em 0; }
.gh-content figcaption { margin-top: 10px; font: 13px/1.4 var(--font-mono); color: var(--muted); text-align: center; }
.kg-width-wide { position: relative; width: 85vw; max-width: 1200px; left: 50%; transform: translateX(-50%); }
.kg-width-full { position: relative; width: 100vw; left: 50%; transform: translateX(-50%); }
.kg-width-wide img, .kg-width-full img { width: 100%; }

.pagination { display: flex; justify-content: space-between; padding: 32px 0; font: 500 12px/1.4 var(--font-mono); text-transform: uppercase; color: var(--muted); }

/* Motion — only when JS is on and motion is allowed; content is visible otherwise */
@media (prefers-reduced-motion: no-preference) {
  .js .draw-in, .js .reveal, .js .split .ch {
    opacity: 0; transform: translateY(18px);
    transition: opacity .8s var(--ease), transform .9s var(--ease);
    transition-delay: var(--o, 0s);
  }
  .js .split .ch { transform: translateY(.35em); transition-delay: calc(.3s + var(--n) * 60ms); }
  .js .reveal { transition-delay: calc(var(--n, 0) * 70ms); }
  .js .draw-line { transform: scaleX(0); transition: transform 1.2s var(--ease) var(--o, 0s); }
  .js .is-in .draw-in, .js .draw-in.is-in, .js .reveal.is-in, .js .is-in .ch { opacity: 1; transform: none; }
  .js .draw-line.is-in { transform: scaleX(1); }
}

/* ---------- Feature sections (Experience, Skills): big title + outlined box + content ---------- */
:root { --line-strong: rgb(11 11 11 / .32); }
@media (prefers-color-scheme: dark) { :root { --line-strong: rgb(255 255 255 / .3); } }

.feature {
  display: grid;
  grid-template-columns: minmax(260px, 400px) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 96px);
  align-items: center;
  padding: clamp(80px, 14vh, 160px) var(--gutter) 0;
  max-width: none;
}
.feature-side { position: relative; z-index: 1; }
.feature-title {
  margin: 0 0 0 clamp(0px, 3vw, 56px);
  font: 400 clamp(64px, 8.5vw, 150px)/.86 var(--font-display);
  letter-spacing: -.05em;
  hyphens: auto; -webkit-hyphens: auto;
  max-width: 4.6em;
}
.feature-box {
  position: relative;
  margin-top: 10px;
  min-height: clamp(180px, 28vh, 300px);
  padding: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 64px);
  border: 1px solid var(--line-strong);
  border-bottom: 0;
}
.feature-box p { margin: 0; max-width: 22rem; color: var(--muted); font-size: 15px; }
/* line running off to the left edge from the box's bottom-left corner */
.feature-box::before {
  content: ""; position: absolute; bottom: 0; right: 100%;
  width: 100vw; height: 1px; background: var(--line-strong);
}
/* tail from the bottom-right corner out to a dot */
.box-tail {
  position: absolute; bottom: 0; left: 100%;
  width: clamp(120px, 40vw, 640px); height: 1px; background: var(--line-strong);
  transform-origin: left;
}
.box-tail::after {
  content: ""; position: absolute; right: -2px; top: -2px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--muted);
}
.feature-body { min-width: 0; position: relative; z-index: 2; }

@media (prefers-reduced-motion: no-preference) {
  .js .draw-box .box-tail { transform: scaleX(0); transition: transform 1.4s var(--ease) .5s; }
  .js .draw-box.is-in .box-tail { transform: scaleX(1); }
}

/* ---------- Experience timeline ---------- */
.timeline {
  --col: clamp(150px, 15vw, 210px);
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 12px;
  mask-image: linear-gradient(to right, #000 85%, transparent);
}
.tl-grid {
  display: grid;
  grid-auto-columns: var(--col);
  grid-template-rows: auto 56px auto;
  width: max-content;
  position: relative;
}
.tl-axis {
  grid-row: 2; grid-column: 1 / -1;
  position: relative;
  border-top: 1px solid var(--line-strong);
  margin-top: 28px;
}
.tl-axis::before { /* ruler ticks */
  content: ""; position: absolute; left: 0; right: 0; top: -5px; height: 5px;
  background: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 24px);
}
.tl-year {
  grid-row: 2; align-self: end;
  padding: 0 0 6px 6px;
  font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.tl-year.now { color: var(--ink); }
.tl-card {
  grid-column: span 2;
  position: relative;
  padding: 0 24px 0 16px;
  border-left: 1px solid var(--line-strong);
}
.tl-card.top { grid-row: 1; padding-bottom: 24px; margin-bottom: -28px; }
.tl-card.bottom { grid-row: 3; padding-top: 0; }
.tl-card.top::after, .tl-card.bottom::before { /* small foot on the axis */
  content: ""; position: absolute; left: -3px; width: 5px; height: 5px; background: var(--ink);
}
.tl-card.top::after { bottom: 25px; }
.tl-card.bottom::before { top: -3px; }
.tl-dates { font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.tl-company { margin: 10px 0 4px; font: 600 22px/1.15 var(--font-head); letter-spacing: -.02em; }
.tl-role { font-size: 13px; color: var(--muted); }
.tl-desc { margin: 14px 0 0; font-size: 14px; line-height: 1.55; max-width: 18rem; }
.tl-desc + .tl-desc { margin-top: 8px; }

/* readable fallback (no JS) and phones: a vertical list */
.timeline-src h2, .timeline-src h3 { font: 600 22px/1.15 var(--font-head); margin: 28px 0 4px; }
.timeline-src p { margin: 0 0 6px; font-size: 15px; }
@media (max-width: 800px) {
  .timeline { overflow: visible; mask-image: none; }
  .tl-grid { display: block; width: auto; border-left: 1px solid var(--line-strong); margin-left: 4px; }
  .tl-axis, .tl-year { display: none; }
  .tl-card { border-left: 0; padding: 0 0 32px 20px; margin: 0; }
  .tl-card.top::after, .tl-card.bottom::before { top: 3px; bottom: auto; left: -3px; }
}

/* ---------- Skills table ---------- */
.skills-wrap.has-portrait { display: grid; grid-template-columns: minmax(0, 1fr) clamp(160px, 18vw, 260px); gap: clamp(24px, 4vw, 64px); align-items: center; }
.skills {
  display: grid;
  grid-template-columns: clamp(110px, 12vw, 160px) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}
.skills > * { margin: 0 !important; border-top: 1px solid var(--line); }
.skills > h2, .skills > h3, .skills > h4 {
  grid-column: 1;
  padding: 18px 12px 0 0;
  font: 500 10.5px/1.4 var(--font-mono) !important; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.skills > ul, .skills > p {
  grid-column: 2;
  display: flex; flex-wrap: wrap; gap: 4px 22px;
  list-style: none; padding: 12px 0;
  font: 400 clamp(16px, 1.45vw, 20px)/2 var(--font-head);
}
.skills > ul li { margin: 0; }
.portrait { margin: 0; position: relative; }
.portrait::before { /* dot halo */
  content: ""; position: absolute; inset: -18%; z-index: -1;
  background: radial-gradient(circle, var(--line-strong) 1px, transparent 1.4px) 0 0 / 10px 10px;
  mask-image: radial-gradient(closest-side, #000 30%, transparent);
}
.portrait img { filter: grayscale(1) contrast(1.05); mask-image: linear-gradient(to bottom, #000 75%, transparent); }

@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .feature-title { margin-left: 0; }
  .feature-box { min-height: 0; }
  .box-tail { display: none; }
  .skills-wrap.has-portrait { grid-template-columns: 1fr; }
  .portrait { max-width: 200px; }
}
@media (max-width: 560px) {
  .skills { grid-template-columns: 1fr; }
  .skills > h2, .skills > h3, .skills > h4 { grid-column: 1; padding-top: 16px; }
  .skills > ul, .skills > p { grid-column: 1; border-top: 0; padding-top: 4px; }
}

/* ---------- Nav: underline the section in view ---------- */
.nav a { position: relative; padding-bottom: 6px; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav a.is-current { color: var(--ink); }
.nav a.is-current::after { transform: scaleX(1); }