/* Local system fonts only. No external font, analytics or image requests. */
:root {
  --paper: #f4f5f0;
  --white: #fff;
  --ink: #192723;
  --muted: #58645f;
  --blue: #2855d9;
  --blue-dark: #1941b1;
  --line: #d6dcd4;
  --dark: #172b29;
  --dark-text: #f1f5ef;
  --dark-muted: #b9c8c0;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1rem; line-height: 1.75; word-break: keep-all; overflow-wrap: anywhere; }
::selection { background: #dce5ff; color: #142955; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .3em; }
button { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
[hidden] { display: none !important; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 3px; }
p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.045em; }
h2 { font-size: clamp(1.75rem, 3.3vw, 2.55rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; }
.wrap { width: min(1184px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; top: .75rem; left: .75rem; padding: .8rem 1.2rem; background: var(--white); color: var(--blue); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 98px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .35rem; text-decoration: none; font-family: var(--mono); font-size: 1.2rem; font-weight: 700; letter-spacing: -.055em; white-space: nowrap; }
.brand-suffix { color: var(--muted); font-weight: 400; }
.site-header nav { display: flex; align-items: center; gap: 2rem; font-size: .86rem; font-weight: 600; }
.site-header nav a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.site-header nav a:hover, .site-footer a:hover { color: var(--blue); text-decoration: underline; }
.nav-cta { gap: .75rem; border-bottom: 1px solid var(--ink); }
.hero { display: grid; grid-template-columns: 1.12fr 1fr; gap: 4rem; align-items: center; padding-block: 80px 78px; }
.eyebrow { font-size: .72rem; font-family: var(--mono); letter-spacing: .07em; font-weight: 600; line-height: 1.65; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: .75rem; color: var(--muted); margin-bottom: 1.9rem; }
.small-star { color: var(--blue); font-size: 1.2rem; }
h1 { font-size: clamp(2.8rem, 4.6vw, 4.25rem); letter-spacing: -.065em; line-height: 1.2; font-weight: 750; }
h1 span { color: var(--blue); }
.hero-intro { color: var(--muted); margin-top: 1.75rem; font-size: 1.05rem; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.5rem; margin-top: 2.1rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 1.6rem; min-height: 52px; padding: .8rem 1.4rem; border: 1px solid transparent; border-radius: 4px; text-decoration: none; font-size: .9rem; font-weight: 650; transition: background .16s; }
.primary { color: var(--white); background: var(--blue); }
.primary:hover { background: var(--blue-dark); }
.text-link { display: inline-flex; align-items: center; flex-wrap: wrap; gap: .5rem; min-height: 44px; font-size: .9rem; font-weight: 600; }
.text-link:hover { color: var(--blue); }
.link-note { margin-top: .65rem; color: var(--muted); font-size: .73rem; }
.platforms { display: flex; flex-wrap: wrap; align-items: center; gap: 1.15rem; margin-top: 2rem; font-family: var(--mono); font-size: .82rem; }
.platform-label { color: var(--muted); font-family: var(--sans); font-size: .72rem; }
.hero-visual { position: relative; min-width: 0; }
.specimen { position: relative; overflow: hidden; min-height: 336px; background-color: #e9ede5; background-image: linear-gradient(#dbe1d7 1px, transparent 1px), linear-gradient(90deg, #dbe1d7 1px, transparent 1px); background-size: 36px 36px; border: 1px solid var(--line); border-radius: 8px 8px 0 0; }
.specimen-top { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; font: .64rem/1.6 var(--mono); letter-spacing: .08em; color: var(--muted); }
.hero-mark { position: relative; z-index: 1; width: 245px; margin: -.4rem auto 1.3rem; }
.orbit { position: absolute; width: 244px; height: 244px; border: 1px solid #bfcbbd; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.orbit-two { width: 300px; height: 300px; }
.crosshair { position: absolute; top: 48%; color: #788974; font: 1.2rem var(--mono); }
.crosshair-left { left: 10%; }
.crosshair-right { right: 10%; }
.specimen-label { position: absolute; bottom: 1rem; right: 1.2rem; font: .65rem var(--mono); letter-spacing: .06em; color: var(--muted); }
.conversation { position: relative; padding: 1.3rem 1.6rem 1.5rem; background: var(--white); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 8px 8px; box-shadow: 0 14px 30px -22px #172b2950; }
.conversation-heading { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; font-size: .7rem; font-weight: 600; }
.conversation-heading > span:last-child { margin-left: auto; color: var(--muted); font-size: .65rem; font-weight: 400; }
.mini-mark { color: var(--blue); }
.sample-request { margin: .9rem 0; padding-left: 1rem; border-left: 2px solid var(--line); font-size: .9rem; font-weight: 500; }
.sample-reply { display: flex; gap: .9rem; padding-top: .75rem; color: var(--muted); font-size: .78rem; }
.reply-name { font: .65rem/2 var(--mono); color: var(--blue); padding-top: .1rem; }
.method-band { border-block: 1px solid var(--line); }
.method-inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; padding-block: 1.3rem; }
.method-inner p { color: var(--muted); font-size: .85rem; }
.method-inner strong { color: var(--ink); font-weight: 600; }
.method-inner > span { font: .67rem var(--mono); letter-spacing: .08em; color: var(--muted); }
.method-inner b { color: #75866e; margin-inline: .9rem; font-weight: 400; }
.section { padding-block: 84px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2.6rem; }
.section-heading .eyebrow, .request-copy .eyebrow, .closing .eyebrow { color: var(--blue); margin-bottom: 1rem; }
.section-heading > p { font-size: .9rem; color: var(--muted); padding-bottom: .2rem; }
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.work-card { padding: 1.75rem; min-width: 0; }
.work-card + .work-card { border-left: 1px solid var(--line); }
.card-number { font: .62rem var(--mono); letter-spacing: .055em; color: var(--muted); }
.line-icon { width: 44px; height: 44px; color: var(--blue); margin: 2rem 0 1.2rem; }
.work-card p { color: var(--muted); font-size: .9rem; margin-top: 1rem; }
.card-caption { display: block; font-size: .74rem; color: var(--muted); margin-top: 1.6rem; }
.section-note { font-size: .76rem; color: var(--muted); margin-top: 1rem; }
.request-section { color: var(--dark-text); background: var(--dark); padding-block: 80px 60px; }
.request-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; align-items: start; }
.request-copy .eyebrow { color: #b7caff; }
.request-copy h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
.request-copy > p:not(.eyebrow) { margin-top: 1.4rem; color: var(--dark-muted); font-size: .95rem; }
.request-recipe { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-top: 2rem; font-size: .75rem; }
.request-recipe span { border: 1px solid #5a6d62; border-radius: 3px; padding: .35rem .7rem; }
.request-recipe b { color: var(--dark-muted); font-weight: 400; }
.request-copy .request-note, .request-note { font-size: .76rem !important; line-height: 1.8; color: var(--dark-muted); }
.request-copy .request-note { max-width: 340px; }
.examples { min-width: 0; }
.example { border: 1px solid #53675e; border-radius: 5px; padding: 1.15rem 1.4rem; background: #203431; }
.example + .example { margin-top: .8rem; }
.example-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.example h3 { color: #c3d1c8; font-size: .74rem; font-weight: 500; letter-spacing: 0; }
.copy-button { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; border: 1px solid #647970; border-radius: 3px; color: #e2e9e2; background: transparent; min-height: 44px; padding: .4rem .75rem; font-size: .72rem; white-space: nowrap; }
.copy-button:hover { background: #354c46; }
.copy-button:focus-visible { outline-color: #c5d6ff; }
.example > p { margin-top: .8rem; font-size: .95rem; line-height: 1.85; }
.example-kind { display: block; color: #b3c8bc; font-size: .67rem; margin-top: .85rem; }
.copy-status { min-height: 1.8em; margin-top: .6rem; font-size: .75rem; color: #d1ddff; }
.start-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.start-steps li { border-top: 1px solid var(--ink); padding-top: 1.4rem; }
.step-number { font: .75rem var(--mono); color: var(--blue); display: block; margin-bottom: 1.25rem; }
.start-steps h3 { font-size: 1.05rem; }
.start-steps p { color: var(--muted); font-size: .85rem; margin-top: .9rem; }
code { font-family: var(--mono); font-size: .88em; color: var(--ink); background: #e5e9e1; padding: .15em .4em; border-radius: 3px; white-space: nowrap; }
.inline-marker { color: var(--blue); }
.boundary { display: flex; align-items: start; gap: 1.4rem; margin-top: 3.3rem; padding: 1.75rem 2rem; background: #e8ede3; border: 1px solid #cfd8c8; border-radius: 5px; }
.boundary-symbol { color: var(--blue); font-size: 2.1rem; line-height: 1; }
.boundary h3 { font-size: 1rem; margin-bottom: .65rem; }
.boundary p { color: var(--muted); font-size: .82rem; }
.boundary p + p { margin-top: .5rem; }
.boundary .text-link { color: var(--ink); font-size: .8rem; margin-top: .7rem; }
.boundary .link-note { margin-top: 0; font-size: .7rem; }
.closing { padding: 2.5rem 0 3rem; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.closing h2 { font-size: clamp(1.65rem, 2.7vw, 2.1rem); }
.closing p:not(.eyebrow) { font-size: .9rem; color: var(--muted); margin-top: .8rem; }
.closing .button { flex-shrink: 0; }
.site-footer { border-top: 1px solid var(--line); padding-block: 1.75rem; display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; color: var(--muted); font-size: .72rem; }
.footer-brand { display: flex; align-items: center; gap: .4rem; }
.footer-separator { padding-inline: .5rem; color: #677460; }
.site-footer nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.error-page { min-height: 80vh; display: grid; align-content: center; gap: 1.25rem; max-width: 720px; }
.error-page .button { justify-self: start; }
@media (min-width: 1500px) { .hero { padding-block: 105px; } }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 48px); }
  .hero { gap: 2rem; padding-block: 56px; }
  h1 { font-size: 3.1rem; }
  .hero-intro { font-size: .93rem; }
  .hero-mark { width: 215px; margin-top: .25rem; }
  .specimen { min-height: 308px; }
  .orbit-two { width: 270px; height: 270px; }
  .request-layout { gap: 2.5rem; }
  .work-card { padding: 1.4rem; }
  .work-card h3 { font-size: 1.08rem; }
  .section-heading { align-items: start; }
  .start-steps { gap: 1.5rem; }
  .site-footer { align-items: start; flex-direction: column; gap: .5rem; }
}
@media (max-width: 760px) {
  .site-header { min-height: 80px; gap: .8rem; flex-wrap: wrap; padding-block: .8rem; }
  .brand { font-size: 1rem; }
  .brand img { width: 32px; }
  .site-header nav { gap: 1rem; font-size: .75rem; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; gap: 2.75rem; padding-block: 44px; }
  .hero-copy > .eyebrow { margin-bottom: 1.4rem; }
  h1 { font-size: clamp(2.65rem, 8vw, 4rem); }
  .hero-intro { font-size: 1rem; }
  .hero-visual { width: min(480px, 100%); justify-self: center; }
  .platforms { gap: 1rem; margin-top: 1.4rem; }
  .specimen { min-height: 306px; }
  .hero-mark { width: 218px; }
  .method-inner { gap: .4rem; }
  .method-inner > span { font-size: .58rem; }
  .section { padding-block: 56px; }
  .section-heading { flex-direction: column; gap: 1rem; margin-bottom: 1.8rem; }
  .work-grid { grid-template-columns: 1fr; }
  .work-card { padding: 1.5rem; }
  .work-card + .work-card { border-left: 0; border-top: 1px solid var(--line); }
  .line-icon { margin: 1.25rem 0 1rem; }
  .work-card h3 { font-size: 1.25rem; }
  .card-caption { margin-top: 1rem; }
  .request-section { padding-block: 56px 38px; }
  .request-layout { grid-template-columns: 1fr; gap: 2rem; }
  .request-copy .request-note { max-width: none; }
  .request-copy h2 br { display: none; }
  .request-recipe { margin-top: 1.2rem; }
  .start-steps { grid-template-columns: 1fr; gap: 1.5rem; }
  .start-steps li { display: flex; gap: 1.1rem; padding-top: 1.25rem; }
  .step-number { padding-top: .25rem; }
  .start-steps p { margin-top: .6rem; }
  .boundary { padding: 1.4rem; gap: .8rem; margin-top: 2rem; }
  .boundary-symbol { font-size: 1.5rem; }
  .closing { flex-direction: column; align-items: start; gap: 1.5rem; padding-block: 2rem; }
  .site-footer nav { column-gap: 1.3rem; row-gap: .1rem; }
}
@media (max-width: 400px) {
  .wrap { width: calc(100% - 32px); }
  .site-header nav { gap: .85rem; }
  .site-header { align-items: start; }
  .conversation { padding: 1.1rem; }
  .conversation-heading > span:last-child { margin-left: 0; }
  .hero-copy > .eyebrow { font-size: .64rem; gap: .4rem; }
  .hero-actions { gap: 1rem; }
  .example { padding: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media (forced-colors: active) {
  .button, .example, .boundary { border: 1px solid ButtonText; }
  :focus-visible { outline-color: Highlight; }
}