:root {
  --ink: #141a2f;
  --paper: #f6f4ef;
  --lime: #d9ff63;
  --orange: #ff7044;
  --blue: #b5d6ff;
  --line: rgba(20, 26, 47, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans KR", sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 20px clamp(24px, 5vw, 80px);
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
}
.brand, nav, .eyebrow, .section-label, .meta, .case-number, .tag-list {
  font-family: "DM Mono", monospace;
  letter-spacing: .03em;
}
.brand { font-size: 18px; font-weight: 500; letter-spacing: .1em; }
nav { display: flex; gap: 24px; font-size: 12px; }
nav a:hover, .text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.hero { min-height: 78vh; padding: clamp(72px, 12vw, 170px) clamp(24px, 8vw, 132px) 48px; display: flex; flex-direction: column; justify-content: space-between; }
.eyebrow, .section-label, .meta, .case-number { font-size: 12px; font-weight: 500; }
.hero h1 { font-size: clamp(54px, 9vw, 144px); letter-spacing: -.08em; line-height: .95; margin: 48px 0; max-width: 1050px; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-bottom { align-items: end; display: flex; gap: 32px; justify-content: space-between; }
.hero-bottom p { font-size: clamp(16px, 1.5vw, 20px); max-width: 510px; margin: 0; }
.round-link { align-items: center; border: 1px solid var(--ink); border-radius: 100%; display: flex; flex-direction: column; font-size: 13px; height: 128px; justify-content: center; text-align: center; width: 128px; }
.round-link span { font-size: 22px; line-height: 1.1; }
.round-link:hover { background: var(--lime); }

.intro, .capabilities, .projects, .career-history, .method { padding: clamp(72px, 10vw, 148px) clamp(24px, 8vw, 132px); }
.intro { background: var(--ink); color: var(--paper); display: grid; grid-template-columns: 1fr 3fr; gap: 24px; }
.intro h2 { font-size: clamp(38px, 5.2vw, 80px); line-height: 1.1; letter-spacing: -.06em; margin: 0 0 44px; }
.lead { max-width: 670px; font-size: clamp(17px, 1.7vw, 24px); margin: 0; }

.capabilities { display: grid; grid-template-columns: 1fr 3fr; gap: 24px; }
.capability-list { border-top: 1px solid var(--line); }
.capability-list article { align-items: baseline; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 72px 1fr 1.2fr; gap: 20px; padding: 23px 0; }
.capability-list span { font-family: "DM Mono", monospace; font-size: 12px; }
.capability-list h3 { font-size: 20px; margin: 0; }
.capability-list p { margin: 0; font-size: 15px; }

.projects { background: #ebe7dd; }
.project-heading { align-items: start; display: flex; justify-content: space-between; margin-bottom: 46px; }
.project-heading > p:last-child { margin: 0; max-width: 350px; }
.feature-case { background: var(--ink); color: var(--paper); display: grid; grid-template-columns: .7fr 1.5fr 1.35fr; gap: 30px; min-height: 560px; padding: clamp(26px, 4vw, 58px); position: relative; overflow: hidden; }
.feature-copy { align-self: end; position: relative; z-index: 1; }
.feature-copy .meta { color: var(--lime); }
.feature-copy h2 { font-size: clamp(38px, 4.8vw, 72px); letter-spacing: -.06em; line-height: 1.02; margin: 18px 0; }
.feature-copy > p:not(.meta) { font-size: 16px; max-width: 490px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 24px 0; padding: 0; }
.tag-list li { border: 1px solid currentColor; border-radius: 20px; font-size: 10px; padding: 4px 8px; }
.text-link { color: var(--lime); font-size: 14px; font-weight: 700; }
.system-map { min-height: 420px; position: relative; }
.map-node { background: var(--lime); border-radius: 50%; color: var(--ink); display: grid; font-family: "DM Mono", monospace; font-size: 11px; font-weight: 500; height: 108px; place-items: center; position: absolute; text-align: center; width: 108px; z-index: 1; }
.n1 { left: 3%; top: 14%; }.n2 { left: 43%; top: 2%; }.n3 { right: 1%; top: 30%; }.n4 { left: 30%; bottom: 8%; }.n5 { right: 13%; bottom: 2%; }
.map-line { background: var(--orange); height: 2px; position: absolute; transform-origin: left center; width: 42%; }
.l1 { left: 21%; top: 26%; transform: rotate(-19deg); }.l2 { left: 58%; top: 21%; transform: rotate(26deg); }.l3 { left: 43%; top: 48%; transform: rotate(70deg); }.l4 { left: 47%; top: 75%; transform: rotate(-12deg); }

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
.project-card { min-height: 360px; padding: 34px; display: flex; flex-direction: column; }
.project-card h3 { font-size: clamp(28px, 3vw, 46px); letter-spacing: -.06em; line-height: 1.07; margin: 38px 0 22px; }
.project-card > p:not(.meta) { font-size: 15px; max-width: 420px; margin: 0; }
.project-card .tag-list { margin-top: auto; }
.warm { background: var(--orange); }.blue { background: var(--blue); }.light { background: var(--lime); }.dark { background: #48508f; color: white; }

.career-history { background: var(--paper); }
.career-heading { display: grid; gap: 24px; grid-template-columns: 1fr 3fr; margin-bottom: 70px; }
.career-heading h2 { font-size: clamp(40px, 5.4vw, 84px); letter-spacing: -.065em; line-height: 1.06; margin: 0 0 28px; }
.career-heading div > p { font-size: 17px; margin: 0; max-width: 600px; }
.career-groups { border-top: 1px solid var(--ink); }
.career-group { border-bottom: 1px solid var(--line); padding: 30px 0 0; }
.company-heading { align-items: baseline; display: grid; gap: 22px; grid-template-columns: 72px 1fr auto; padding-bottom: 30px; }
.company-heading > span, .career-list time { font: 500 12px "DM Mono", monospace; letter-spacing: .03em; }
.company-heading h3 { font-size: clamp(25px, 3vw, 42px); letter-spacing: -.05em; line-height: 1.15; margin: 0; }
.company-heading p { color: rgba(20,26,47,.68); font-size: 14px; margin: 4px 0 0; }
.company-heading time { font: 500 12px "DM Mono", monospace; text-align: right; }
.career-group-note { background: var(--ink); color: var(--paper); font-size: 14px; margin: 0 0 16px 94px; padding: 13px 16px; }
.career-list { list-style: none; margin: 0 0 0 94px; padding: 0; }
.career-list li { align-items: baseline; border-top: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 154px 1fr; padding: 16px 0; }
.career-list li:last-child { border-bottom: 0; }
.career-list strong { display: block; font-size: 17px; font-weight: 700; line-height: 1.45; }
.career-list span { color: rgba(20,26,47,.68); display: block; font-size: 13px; margin-top: 2px; }
.career-current { background: var(--lime); margin: 0 -24px; padding: 30px 24px 0; }

.method { display: grid; grid-template-columns: 1fr 3fr; gap: 24px; }
.method ol { border-top: 1px solid var(--line); list-style: none; margin: 0; padding: 0; }
.method li { align-items: baseline; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 72px 1fr 1.5fr; gap: 20px; padding: 28px 0; }
.method li span { font-family: "DM Mono", monospace; font-size: 12px; }.method strong { font-size: 24px; }.method p { font-size: 15px; margin: 0; }
footer { background: var(--ink); color: var(--paper); display: flex; font-family: "DM Mono", monospace; font-size: 11px; justify-content: space-between; padding: 28px clamp(24px, 5vw, 80px); }
footer p { margin: 0; }

/* Hanjin case study */
.case-hero { background: var(--ink); color: var(--paper); min-height: 82vh; padding: clamp(72px, 12vw, 170px) clamp(24px, 8vw, 132px) clamp(56px, 8vw, 110px); }
.case-kicker { color: var(--lime); font: 500 12px "DM Mono", monospace; letter-spacing: .05em; margin: 48px 0 16px; }
.case-hero h1 { font-size: clamp(58px, 9vw, 144px); letter-spacing: -.08em; line-height: .93; margin: 0; }
.case-hero h1 em { color: var(--lime); font-style: normal; }
.case-hero-summary { align-items: end; display: flex; gap: 48px; justify-content: space-between; margin-top: clamp(64px, 12vw, 160px); }
.case-hero-summary > p { font-size: clamp(17px, 1.7vw, 24px); margin: 0; max-width: 630px; }
.case-hero-summary dl { display: grid; gap: 14px; margin: 0; min-width: min(100%, 330px); }
.case-hero-summary dl div { border-top: 1px solid rgba(246,244,239,.35); display: grid; gap: 6px; padding-top: 9px; }
.case-hero-summary dt { color: var(--lime); font: 500 10px "DM Mono", monospace; letter-spacing: .05em; }.case-hero-summary dd { margin: 0; font-size: 13px; }
.case-section { display: grid; gap: 24px; grid-template-columns: 1fr 3fr; padding: clamp(76px, 11vw, 160px) clamp(24px, 8vw, 132px); }
.case-section-body h2 { font-size: clamp(40px, 5.5vw, 86px); letter-spacing: -.065em; line-height: 1.06; margin: 0 0 42px; }
.case-section-body > .lead { font-size: clamp(17px, 1.7vw, 24px); max-width: 780px; }
.case-context { background: #ebe7dd; }.case-process { background: var(--paper); }.case-solution { background: #c8e1ff; }.case-output { background: var(--ink); color: var(--paper); }
.insight-grid, .solution-grid, .deliverable-grid { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); margin-top: 60px; }
.insight-grid article { border-top: 2px solid var(--ink); padding-top: 14px; }.insight-grid span, .process-list span { font: 500 12px "DM Mono", monospace; }.insight-grid h3 { font-size: 22px; margin: 16px 0 8px; }.insight-grid p { font-size: 15px; margin: 0; }
.process-list { border-top: 1px solid var(--line); list-style: none; margin: 56px 0 0; padding: 0; }.process-list li { border-bottom: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 72px 1fr; padding: 25px 0; }.process-list strong { font-size: 24px; }.process-list p { margin: 8px 0 0; }
.flow-board { align-items: stretch; display: flex; gap: 7px; margin: 58px 0 22px; overflow-x: auto; padding-bottom: 8px; }.flow-board article { background: var(--ink); color: var(--paper); display: flex; flex: 1 0 170px; flex-direction: column; justify-content: space-between; min-height: 200px; padding: 18px; }.flow-board span { color: var(--lime); font: 500 11px "DM Mono", monospace; }.flow-board strong { font: 500 13px "DM Mono", monospace; }.flow-board p { font-size: 13px; margin: 0; }.flow-board i { align-self: center; font-size: 22px; font-style: normal; }
.solution-grid { grid-template-columns: repeat(2, 1fr); }.solution-grid article { border-top: 1px solid rgba(20,26,47,.45); padding-top: 13px; }.solution-grid h3 { font-size: 24px; margin: 0 0 10px; }.solution-grid p { margin: 0; }
.deliverable-grid { grid-template-columns: repeat(2, 1fr); }.deliverable-grid article { border: 1px solid rgba(246,244,239,.35); min-height: 160px; padding: 20px; }.deliverable-grid span { color: var(--lime); font: 500 13px "DM Mono", monospace; }.deliverable-grid p { font-size: 16px; margin: 34px 0 0; }.case-closing { font-size: clamp(18px, 2vw, 28px); margin: 70px 0 34px; max-width: 850px; }.case-back { color: var(--paper); }

@media (max-width: 760px) {
  nav { gap: 12px; font-size: 10px; }.hero { min-height: 72vh; }.hero-bottom, .project-heading { align-items: start; flex-direction: column; }.round-link { height: 96px; width: 96px; }
  .intro, .capabilities, .method, .career-heading { grid-template-columns: 1fr; gap: 40px; }.capability-list article, .method li { grid-template-columns: 44px 1fr; }.capability-list article p, .method li p { grid-column: 2; }
  .feature-case { grid-template-columns: 1fr; }.feature-copy { align-self: auto; }.system-map { min-height: 360px; }.project-grid { grid-template-columns: 1fr; }
  .career-heading { margin-bottom: 46px; }.company-heading { align-items: start; grid-template-columns: 40px 1fr; }.company-heading time { grid-column: 2; text-align: left; }.career-group-note, .career-list { margin-left: 40px; }.career-list li { gap: 5px; grid-template-columns: 1fr; }.career-current { margin: 0 -24px; }
  footer { flex-direction: column; gap: 14px; }
  .case-hero-summary, .case-section { display: block; }.case-hero-summary dl { margin-top: 48px; }.case-section-body { margin-top: 40px; }.insight-grid, .solution-grid, .deliverable-grid { grid-template-columns: 1fr; margin-top: 40px; }.process-list li { grid-template-columns: 44px 1fr; }.flow-board { margin-top: 40px; }
}