:root {
  --paper: #f1f3ef;
  --paper-2: #e7eae5;
  --paper-3: #dfe3dc;
  --ink: #131611;
  --muted: #6b7068;
  --rule: #c9cec6;
  --proof: #b84c3a;
  --proof-soft: #efdcd6;
  --screen: #20231e;
  --screen-muted: #aab1a7;
  --white: #fbfcfa;
  --max: 1180px;
  --display: "Avenir Next", "Apple SD Gothic Neo", "Noto Sans KR", -apple-system, BlinkMacSystemFont, sans-serif;
  --body: "Apple SD Gothic Neo", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .34;
  background-image: radial-gradient(rgba(19,22,17,.14) .55px, transparent .55px);
  background-size: 5px 5px;
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.35) 64%, transparent 100%);
}

::selection { background: var(--proof-soft); color: var(--ink); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.shell { width: min(calc(100% - 44px), var(--max)); margin-inline: auto; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 13px;
  background: var(--ink);
  color: var(--white);
  font: 700 12px var(--mono);
  transform: translateY(-180%);
  transition: transform .16s ease;
}
.skip-link:focus { transform: translateY(0); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--proof);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(201,206,198,.9);
  background: rgba(241,243,239,.92);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  position: relative;
  display: inline-block;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.055em;
}
.brand::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 48%;
  width: 24px;
  height: 2px;
  background: var(--proof);
  transform: rotate(-7deg);
  transform-origin: center;
  opacity: .9;
}
.nav { display: flex; gap: 28px; color: #535850; font-size: 13px; }
.nav a {
  position: relative;
  padding: 23px 0 20px;
  transition: color .16s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 17px;
  height: 1px;
  background: var(--proof);
  transition: right .18s ease;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { right: 0; }

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(300px, .62fr);
  gap: clamp(48px, 8vw, 108px);
  align-items: end;
  padding-block: 96px 112px;
}
.intro-kicker,
.section-kicker,
.post-category,
.list-category,
.post-folio,
.row-date,
.tool-index,
.footer-revision {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.intro-kicker,
.section-kicker,
.post-category,
.list-category {
  margin: 0 0 13px;
  color: var(--proof);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-wordmark {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(72px, 12vw, 148px);
  line-height: .82;
  letter-spacing: -.085em;
  font-weight: 800;
  text-wrap: balance;
}
.wordmark-final {
  position: relative;
  display: inline-block;
}
.wordmark-final::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -4%;
  top: 51%;
  height: clamp(3px, .32vw, 5px);
  background: var(--proof);
  transform: rotate(-3deg);
  transform-origin: center;
}
.intro-statement {
  max-width: 720px;
  margin: 34px 0 0;
  font-family: var(--display);
  font-size: clamp(24px, 3.1vw, 36px);
  line-height: 1.25;
  letter-spacing: -.04em;
  font-weight: 650;
  text-wrap: balance;
}
.intro-text {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  text-wrap: pretty;
}

.revision-rail {
  padding: 0 0 2px 20px;
  border-left: 2px solid var(--ink);
}
.rail-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
}
.rail-head span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .12em;
}
.rail-head strong {
  color: var(--proof);
  font-size: 22px;
  line-height: 1;
}
.revision-rail dl { margin: 0; }
.revision-rail dl > div {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}
.revision-rail dt {
  font: 700 10px/1.6 var(--mono);
  letter-spacing: .05em;
}
.revision-rail dd {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.rail-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
}
.rail-note span { color: var(--proof); }

.section {
  padding-block: 82px 102px;
  border-top: 1px solid var(--rule);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}
.section-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -.06em;
  font-weight: 700;
}
.section-head > p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.featured-post {
  display: grid;
  grid-template-columns: 84px minmax(0, 1.15fr) minmax(300px, .85fr);
  gap: 28px;
  align-items: stretch;
  padding-bottom: 62px;
}
.post-folio {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5px 0 4px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .06em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.post-cover,
.row-cover {
  position: relative;
  overflow: hidden;
  color: rgba(251,252,250,.94);
  background: var(--screen);
}
.post-cover {
  display: flex;
  align-items: flex-end;
  min-height: 390px;
  padding: 24px;
  border-radius: 3px;
  transition: transform .18s ease;
}
a.post-cover:hover { transform: translateY(-4px); }
.post-cover::before,
.row-cover::before,
.article-cover::before {
  position: absolute;
  inset: auto 8% 7% auto;
  color: rgba(255,255,255,.08);
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -.08em;
  line-height: .8;
  pointer-events: none;
}
.cover-deploy { background-color: #20231e; }
.cover-deploy::before { content: "PUSH"; font-size: clamp(88px, 10vw, 150px); }
.cover-code { background-color: #29312f; }
.cover-code::before { content: "{ }"; font-size: clamp(74px, 9vw, 126px); }
.cover-llm { background-color: #353631; }
.cover-llm::before { content: "4b"; font: 800 clamp(74px, 9vw, 126px)/.8 var(--mono); }
.cover-nas { background-color: #2b332f; }
.cover-nas::before { content: "NAS"; font-size: clamp(70px, 8vw, 110px); }
.cover-gear { background-color: #332f2b; }
.cover-gear::before { content: "HW"; font-size: clamp(74px, 9vw, 126px); }
.post-cover::after,
.row-cover::after,
.article-cover::after {
  content: "";
  position: absolute;
  left: 0;
  top: 17%;
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,.2);
  box-shadow: 0 56px 0 rgba(255,255,255,.08), 0 112px 0 rgba(255,255,255,.08);
}
.cover-micro,
.row-cover > span,
.article-cover > span {
  position: relative;
  z-index: 2;
  font: 700 10px/1.4 var(--mono);
  letter-spacing: .08em;
}
.cover-micro::before,
.row-cover > span::before,
.article-cover > span::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 9px;
  vertical-align: middle;
  background: var(--proof);
}

.featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 0;
}
.featured-copy h3,
.post-row h3,
.tool-feature h3,
.compact-list h3 {
  font-family: var(--display);
  letter-spacing: -.045em;
  text-wrap: balance;
}
.featured-copy h3 {
  margin: 0;
  font-size: clamp(31px, 3.7vw, 48px);
  line-height: 1.17;
  font-weight: 700;
}
.featured-copy h3 a,
.post-row h3 a {
  background-image: linear-gradient(var(--proof), var(--proof));
  background-repeat: no-repeat;
  background-size: 0 2px;
  background-position: 0 100%;
  transition: background-size .22s ease;
}
.featured-copy h3 a:hover,
.post-row h3 a:hover { background-size: 100% 2px; }
.featured-copy > p:not(.post-category) {
  max-width: 52ch;
  margin: 18px 0 26px;
  color: var(--muted);
  font-size: 14px;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: #81867e;
  font: 500 10px/1.4 var(--mono);
  letter-spacing: .03em;
}

.secondary-posts { border-top: 1px solid var(--ink); }
.post-row {
  display: grid;
  grid-template-columns: 84px 205px 1fr;
  gap: 28px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.row-date {
  align-self: stretch;
  display: flex;
  align-items: flex-start;
  padding-top: 2px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.4;
}
.row-cover {
  display: flex;
  align-items: flex-end;
  min-height: 128px;
  padding: 15px;
  border-radius: 2px;
  transition: transform .16s ease;
}
a.row-cover:hover { transform: translateX(4px); }
.post-row h3 {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.25;
  font-weight: 650;
}
.row-copy > p:not(.post-category) {
  max-width: 62ch;
  margin: 10px 0 15px;
  color: var(--muted);
  font-size: 13px;
}
.post-row.is-note { opacity: .72; }

.tool-feature {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) 330px;
  gap: 30px;
  align-items: stretch;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: background .18s ease;
}
.tool-feature:hover { background: rgba(231,234,229,.72); }
.tool-index {
  padding: 30px 0;
  color: var(--proof);
  font-size: 11px;
  letter-spacing: .08em;
}
.tool-feature-copy {
  padding: 30px 0 34px;
}
.tool-feature h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
  font-weight: 700;
}
.tool-feature-copy > p:not(.post-category) {
  max-width: 58ch;
  margin: 14px 0 23px;
  color: var(--muted);
  font-size: 14px;
}
.text-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
}
.text-link > span { color: var(--proof); }
.tool-preview {
  align-self: stretch;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 18px 0;
  border-left: 1px solid #3b4038;
  background: var(--screen);
  color: var(--white);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.tool-preview > div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 92px;
  padding: 16px;
  border-right: 1px solid rgba(255,255,255,.1);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.tool-preview span { color: var(--screen-muted); font-size: 9px; letter-spacing: .08em; }
.tool-preview strong { margin-top: 13px; font-size: 20px; font-weight: 650; }
.tool-preview-result {
  grid-column: 1 / -1;
  min-height: 120px !important;
  border-bottom: 0 !important;
}
.tool-preview-result strong {
  display: inline;
  color: #fff;
  font-size: 42px;
  letter-spacing: -.06em;
}
.tool-preview-result small { margin-left: 5px; color: var(--screen-muted); }

.compact-list { border-top: 1px solid var(--ink); }
.compact-list article {
  display: grid;
  grid-template-columns: 84px minmax(280px, .95fr) 1.05fr;
  gap: 28px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}
.compact-list h3 {
  margin: 2px 0 0;
  font-size: 20px;
  line-height: 1.25;
  font-weight: 650;
}
.compact-list p { margin: 0; color: var(--muted); font-size: 13px; }
.list-category { display: block; margin: 0; font-size: 9px; }
.list-state {
  color: var(--muted);
  font: 600 9px/1.5 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.list-state::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border: 1px solid var(--proof);
  vertical-align: -1px;
}

.site-footer { border-top: 1px solid var(--rule); }
.footer-inner {
  min-height: 154px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 11px;
}
.site-footer strong { color: var(--ink); font-family: var(--display); font-size: 15px; }
.site-footer p { margin: 5px 0 0; }
.footer-revision { letter-spacing: .06em; }

.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;
}
[hidden] { display: none !important; }

@media (max-width: 980px) {
  .intro { grid-template-columns: 1fr; gap: 48px; }
  .revision-rail { max-width: 620px; }
  .featured-post { grid-template-columns: 60px 1fr; }
  .featured-copy { grid-column: 2; padding-top: 4px; }
  .post-folio { grid-row: 1 / span 2; }
  .post-cover { min-height: 340px; }
  .post-row { grid-template-columns: 60px 180px 1fr; gap: 22px; }
  .tool-feature { grid-template-columns: 60px 1fr; }
  .tool-preview { grid-column: 2; margin: 0 0 30px; max-width: 520px; }
  .compact-list article { grid-template-columns: 60px 1fr; }
  .compact-list article > p { grid-column: 2; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 60px; }
  .nav { gap: 15px; font-size: 12px; }
  .nav a { padding-block: 20px 17px; }
  .nav a:nth-child(3) { display: none; }

  .intro { padding-block: 66px 78px; }
  .hero-wordmark { font-size: clamp(60px, 20vw, 98px); line-height: .84; }
  .intro-statement { margin-top: 28px; font-size: 24px; }
  .intro-text { font-size: 15px; }
  .revision-rail { padding-left: 16px; }

  .section { padding-block: 62px 76px; }
  .section-head { align-items: start; flex-direction: column; margin-bottom: 30px; }
  .section-head h2 { font-size: 38px; }

  .featured-post { grid-template-columns: 1fr; gap: 22px; }
  .post-folio { display: none; }
  .post-cover { min-height: 260px; }
  .featured-copy { grid-column: auto; }
  .featured-copy h3 { font-size: 32px; }

  .post-row { grid-template-columns: 1fr; gap: 15px; }
  .row-date { min-height: 0; }
  .row-cover { min-height: 190px; }

  .tool-feature { grid-template-columns: 1fr; gap: 0; }
  .tool-index { padding: 20px 0 0; }
  .tool-feature-copy { padding-top: 12px; }
  .tool-preview { grid-column: auto; margin-bottom: 24px; }

  .compact-list article { grid-template-columns: 1fr; gap: 8px; }
  .compact-list article > p { grid-column: auto; margin-top: 4px; }

  .footer-inner {
    min-height: 132px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}