@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f8f6ed;
  --paper-deep: #efecdf;
  --ink: #11130f;
  --muted: #56594f;
  --quiet: #686a60;
  --line: #cbc9bc;
  --accent: #b8ed00;
  --accent-ink: #101409;
  --dark: #191c17;
  --dark-soft: #252a23;
  --content: 1320px;
  --gutter: 28px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

a:focus-visible, summary:focus-visible {
  outline: 3px solid #344600;
  outline-offset: 4px;
  border-radius: 3px;
}

img { max-width: 100%; }

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  letter-spacing: -.065em;
}

.section-shell {
  width: min(var(--content), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.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;
  z-index: 30;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 246, 237, .96);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  min-height: 76px;
}

.wordmark {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
}

.wordmark-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  background: var(--ink);
  color: var(--accent);
  font-size: 17px;
  letter-spacing: -.08em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 38px);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.desktop-nav a, .text-link, .back-to-top { transition: color .18s var(--ease); }
.desktop-nav a:hover, .text-link:hover, .back-to-top:hover { color: #3f5700; }

.header-cta {
  justify-self: end;
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.header-cta:hover { background: var(--ink); color: var(--paper); }
.mobile-nav { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
  align-items: center;
  gap: clamp(38px, 6vw, 76px);
  padding-top: 36px;
  padding-bottom: 46px;
}

.hero-copy { max-width: 690px; }

.eyebrow {
  margin-bottom: 22px;
  color: #51554b;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.5;
}

.eyebrow-divider { padding-inline: 8px; color: #77796e; }

.hero h1 {
  margin-bottom: 20px;
  font-size: clamp(56px, 5.4vw, 76px);
  font-weight: 850;
  line-height: 1.06;
}

.hero-highlight {
  box-decoration-break: clone;
  padding-inline: .035em;
  background: var(--accent);
}

.hero-lede {
  max-width: 520px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 800;
  transition: transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--accent-ink); }
.button-primary:hover { background: #c8ff16; }
.text-link { font-size: 13px; font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }

.hero-samples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 18px;
}

.sample { width: min(100%, 165px); min-width: 0; justify-self: center; margin: 0; }
.sample-bookgolas { transform: translateY(-10px); }
.sample a, .case-visual a { display: block; }

.sample img, .case-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #33372f;
  border-radius: 13px;
  background: var(--dark);
  box-shadow: 8px 9px 0 #e5e0d1;
}

.sample figcaption {
  display: grid;
  gap: 2px;
  margin-top: 12px;
}

.sample figcaption strong { font-size: 12px; font-weight: 850; }
.sample figcaption span { color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .1em; }

.work-section { padding: 24px 0 124px; border-top: 1px solid var(--ink); }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 24px;
}

.section-heading .eyebrow { margin-bottom: 18px; }

h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 3.7vw, 50px);
  font-weight: 820;
  line-height: 1.12;
}

.section-note {
  max-width: 350px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  word-break: keep-all;
}

.case-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) minmax(220px, 280px);
  gap: clamp(18px, 3vw, 38px);
  padding: 20px 0 36px;
  border-top: 1px solid var(--line);
}

.case-card:last-child { border-bottom: 1px solid var(--line); }
.case-number { margin: 0; color: #394b00; font-size: 13px; font-weight: 850; }
.case-copy { min-width: 0; }

.case-meta {
  margin: 0 0 15px;
  color: #4e5148;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.6;
}

.case-meta span { padding-inline: 5px; color: #77796e; }

.case-card h3 {
  margin: 0 0 12px;
  font-size: clamp(28px, 2.8vw, 38px);
  font-weight: 800;
  line-height: 1.2;
}

.case-subtitle { margin: -5px 0 15px; color: #3e4038; font-size: 14px; font-weight: 700; }

.case-summary {
  max-width: 680px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  word-break: keep-all;
}

.case-facts { display: grid; gap: 8px; margin: 0 0 18px; }
.case-facts div { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 12px; }
.case-facts dt { color: #41443a; font-size: 11px; font-weight: 800; }
.case-facts dd { margin: 0; color: var(--muted); font-size: 12px; }

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 19px;
  padding: 0;
  list-style: none;
}

.skill-tags li {
  padding: 5px 9px;
  border: 1px solid #bfc1b3;
  color: #42453c;
  font-size: 10px;
  font-weight: 700;
}

.privacy-note { margin: 0; color: #575a50; font-size: 11px; }

.role-flow {
  align-self: center;
  margin: 0;
  padding: 20px;
  border: 1px solid #363a32;
  background: var(--dark);
  color: var(--paper);
}

.role-flow figcaption { display: grid; gap: 4px; margin-bottom: 16px; }
.role-flow figcaption strong { font-size: 13px; }
.role-flow figcaption span { color: #d1d3c8; font-size: 9px; line-height: 1.5; }
.role-flow ol { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }

.role-flow li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  padding: 10px;
  border: 1px solid #4a4e45;
  background: var(--dark-soft);
}

.role-flow li > span { color: var(--accent); font-size: 9px; font-weight: 800; }
.role-flow li div { display: grid; gap: 1px; }
.role-flow li strong { font-size: 11px; }
.role-flow li small { color: #d1d3c8; font-size: 9px; }

.case-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0;
}

.case-visual a { width: min(100%, 222px); }
.case-visual img { border-radius: 12px; }
.case-visual figcaption { color: #4e5148; font-size: 10px; font-weight: 650; text-align: center; }
.case-link { display: inline-block; color: #273500; font-size: 12px; font-weight: 800; text-decoration: underline; text-decoration-color: #748f1e; text-underline-offset: 4px; }
.case-link:hover { color: #536d00; }

.approach-section { padding: 104px 0 96px; background: var(--dark); color: var(--paper); }

.approach-inner {
  display: grid;
  grid-template-columns: minmax(230px, .8fr) minmax(0, 1.2fr);
  column-gap: clamp(36px, 7vw, 100px);
  row-gap: 64px;
}

.approach-heading .eyebrow { color: #d4d8c9; }
.approach-heading h2 { font-size: clamp(38px, 4.4vw, 56px); }
.approach-steps { border-top: 1px solid #565a50; }

.approach-steps article {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid #565a50;
}

.approach-steps article > span { color: var(--accent); font-size: 11px; font-weight: 800; }
.approach-steps h3 { margin: 0 0 3px; font-size: 17px; font-weight: 750; letter-spacing: -.04em; }
.approach-steps p { margin: 0; color: #d1d3c8; font-size: 12px; line-height: 1.7; }

.capabilities {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid #565a50;
}

.capabilities div { padding: 19px 20px 0 0; }
.capabilities p { margin: 0 0 8px; color: var(--accent); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.capabilities span { color: var(--paper); font-size: 12px; line-height: 1.8; }

.contact-section { background: var(--accent); color: var(--accent-ink); }

.contact-inner {
  display: flex;
  min-height: 350px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-block: 68px;
}

.contact-inner .eyebrow { color: #303a12; }
.contact-inner h2 { margin-bottom: 16px; font-size: clamp(40px, 5vw, 62px); }
.contact-copy { max-width: 560px; margin: 0; color: #303a12; font-size: 14px; line-height: 1.8; word-break: keep-all; }
.button-contact { flex: 0 0 auto; background: var(--ink); color: var(--paper); }
.button-contact:hover { background: #30352b; }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  min-height: 90px;
}

.site-footer p { margin: 0; color: var(--muted); font-size: 10px; text-align: center; }
.back-to-top { justify-self: end; color: var(--muted); font-size: 11px; font-weight: 700; }

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-top: 62px;
    padding-bottom: 78px;
  }

  .hero-copy { max-width: 760px; }
  .hero-samples { width: min(100%, 560px); margin-left: auto; }
  .sample { width: min(100%, 180px); }
  .case-card { grid-template-columns: 38px minmax(0, 1fr) minmax(190px, 240px); gap: 20px; }
  .approach-inner { column-gap: 42px; }
}

@media (max-width: 700px) {
  :root { --gutter: 20px; }
  html { scroll-padding-top: 76px; }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    min-height: 66px;
  }

  .wordmark { gap: 8px; font-size: 10px; }
  .wordmark-mark { width: 32px; height: 32px; }
  .desktop-nav { display: none; }
  .header-cta { grid-column: 2; padding: 8px 11px; font-size: 10px; white-space: nowrap; }

  .mobile-nav { position: relative; display: block; grid-column: 3; }
  .mobile-nav summary {
    display: grid;
    min-width: 48px;
    min-height: 40px;
    place-items: center;
    border: 1px solid var(--ink);
    border-radius: 2px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    list-style: none;
  }

  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav nav {
    position: absolute;
    top: 48px;
    right: 0;
    display: grid;
    width: 176px;
    gap: 2px;
    padding: 8px;
    border: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 5px 6px 0 #ded9c8;
  }

  .mobile-nav nav a { padding: 10px; font-size: 12px; font-weight: 650; }
  .mobile-nav nav a:hover { background: var(--paper-deep); }

  .hero { gap: 36px; padding-top: 62px; padding-bottom: 72px; }
  .eyebrow { margin-bottom: 17px; font-size: 9px; }
  .hero h1 { margin-bottom: 18px; font-size: clamp(34px, 9.7vw, 56px); line-height: 1.12; }
  .hero-lede { max-width: 480px; margin-bottom: 22px; font-size: 15px; }
  .hero-actions { gap: 16px; }
  .button { min-height: 46px; padding-inline: 15px; font-size: 12px; }
  .text-link { font-size: 12px; }
  .hero-samples { gap: 13px; }
  .sample { width: auto; }
  .sample-bookgolas { transform: translateY(-12px); }
  .sample img { border-radius: 10px; box-shadow: 5px 6px 0 #e5e0d1; }
  .sample figcaption { margin-top: 9px; }
  .sample figcaption strong { font-size: 10px; }
  .sample figcaption span { font-size: 7px; letter-spacing: .07em; }

  .work-section { padding: 68px 0 82px; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading .eyebrow { margin-bottom: 14px; }
  h2 { font-size: clamp(36px, 10vw, 48px); }
  .section-note { max-width: 500px; margin-top: 17px; font-size: 12px; }
  .case-card { grid-template-columns: 30px minmax(0, 1fr); gap: 11px; padding: 27px 0 32px; }
  .case-number { font-size: 11px; }
  .case-meta { margin-bottom: 12px; font-size: 8px; }
  .case-card h3 { margin-bottom: 10px; font-size: clamp(25px, 7vw, 33px); }
  .case-subtitle { font-size: 12px; }
  .case-summary { margin-bottom: 17px; font-size: 13px; line-height: 1.8; }
  .case-facts { gap: 7px; margin-bottom: 15px; }
  .case-facts div { grid-template-columns: 42px minmax(0, 1fr); gap: 8px; }
  .case-facts dt { font-size: 10px; }
  .case-facts dd { font-size: 11px; line-height: 1.6; }
  .skill-tags { gap: 6px; margin-bottom: 15px; }
  .skill-tags li { padding: 4px 8px; font-size: 9px; }
  .privacy-note { font-size: 10px; line-height: 1.6; }
  .role-flow { grid-column: 2; padding: 16px; }
  .case-visual { grid-column: 2; justify-content: start; margin-top: 8px; }
  .case-visual a { width: min(100%, 222px); }

  .approach-section { padding: 76px 0 70px; }
  .approach-inner { grid-template-columns: 1fr; row-gap: 32px; }
  .approach-heading h2 { font-size: clamp(36px, 9vw, 48px); }
  .approach-steps article { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; padding: 16px 0; }
  .approach-steps h3 { font-size: 15px; }
  .approach-steps p { font-size: 11px; }
  .capabilities { grid-template-columns: 1fr; }
  .capabilities div { display: grid; grid-template-columns: 72px 1fr; gap: 10px; padding: 13px 0; border-bottom: 1px solid #565a50; }
  .capabilities p { margin: 1px 0 0; }
  .capabilities span { font-size: 11px; }

  .contact-inner { min-height: 0; flex-direction: column; align-items: flex-start; gap: 25px; padding-block: 62px; }
  .contact-inner h2 { margin-bottom: 13px; font-size: clamp(36px, 9.5vw, 48px); }
  .contact-copy { font-size: 12px; }
  .site-footer { grid-template-columns: 1fr auto; gap: 12px; min-height: 84px; padding-block: 16px; }
  .site-footer p { grid-column: 1 / -1; grid-row: 2; font-size: 9px; text-align: left; }
  .site-footer .back-to-top { grid-column: 2; grid-row: 1; }
}

@media (max-width: 360px) {
  :root { --gutter: 17px; }
  .header-inner { gap: 6px; }
  .wordmark { gap: 6px; font-size: 9px; }
  .wordmark-mark { width: 30px; height: 30px; }
  .header-cta { padding-inline: 9px; font-size: 9px; }
  .mobile-nav summary { min-width: 44px; }
  .hero h1 { font-size: 34px; }
  .hero-samples { gap: 10px; }
  .sample figcaption span { letter-spacing: .03em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}
