:root {
  color-scheme: light;
  --ink: #172b29;
  --dark: #0d2224;
  --muted: #4d615c;
  --line: #d9e2dd;
  --paper: #f8faf7;
  --mint: #a8e8cb;
  --green: #24634e;
  --gutter: clamp(22px, 5.2vw, 76px);
  font-family: Inter, "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  font-synthesis: none;
  scroll-behavior: smooth;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.65; word-break: keep-all; overflow-wrap: break-word; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.045em; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #39a579; outline-offset: 4px; }
section[id] { scroll-margin-top: 90px; }
.shell { width: min(100% - 2 * var(--gutter), 1240px); margin-inline: auto; }
.section { padding-block: clamp(66px, 8vw, 116px); }
.visually-hidden, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; background: var(--mint); color: var(--dark); padding: 12px 18px; }

.site-header { position: sticky; top: 0; z-index: 10; color: #fff; background: var(--dark); border-bottom: 1px solid #ffffff22; }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-block; font-size: 29px; letter-spacing: -.07em; font-weight: 790; white-space: nowrap; line-height: 1.2; }
.wordmark span { color: var(--mint); }
.header-inner nav { display: flex; align-items: center; gap: clamp(18px, 2.8vw, 42px); font-size: 14px; font-weight: 690; }
.header-inner nav a { padding-block: 10px; }
.header-inner nav a:hover, .footer-inner > a:hover { color: var(--mint); }
.header-inner .header-cta { border: 1px solid #9cd5c070; padding: 9px 14px; }
.header-cta span { margin-left: 6px; color: var(--mint); }
.menu-toggle { border: 1px solid #a8e8cb66; background: transparent; color: #fff; padding: 8px 12px; font-size: 14px; }
.menu-toggle span { margin-left: 5px; }

.hero { position: relative; min-height: clamp(540px, 48vw, 720px); color: white; background: #0e262c; isolation: isolate; }
.hero-image { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, #091f26f5 0%, #0a222ac4 37%, #0a222a45 67%, #0a222a10 100%), linear-gradient(0deg, #0a2027cc 0%, transparent 36%), url("assets/global-city.webp") center 52% / cover no-repeat; }
.hero-inner { display: grid; min-height: inherit; align-content: space-between; }
.hero-copy { padding-block: clamp(78px, 9.3vw, 140px) 62px; max-width: 760px; }
.hero-label { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; color: #c8eee1; font-size: 11px; font-weight: 750; letter-spacing: .15em; }
.hero-label span { width: 16px; height: 1px; background: #a8e8cb88; }
.hero h1 { font-size: clamp(38px, 5.3vw, 76px); font-weight: 820; letter-spacing: -.072em; line-height: 1.18; }
.hero h1 span { color: var(--mint); }
.hero-description { max-width: 540px; margin-top: 26px; font-size: clamp(15px, 1.35vw, 19px); color: #e1eeeb; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; border: 1px solid transparent; padding: 10px 17px; font-weight: 740; font-size: 14px; line-height: 1.45; }
.button span { font-size: 16px; }
.button-mint { color: #11342b; background: var(--mint); }
.button-mint:hover { background: #c7f4df; }
.button-outline { color: #fff; border-color: #e0f5ea9c; background: #0b222748; }
.button-outline:hover { background: #ffffff24; }
.hero-index { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(14px, 3vw, 40px); padding: 18px 0 22px; border-top: 1px solid #e6fff25c; color: #dfede9; font-size: 13px; font-weight: 650; }
.hero-index span + span::before { display: inline-block; width: 4px; height: 4px; margin-right: clamp(12px, 2.8vw, 38px); vertical-align: 3px; border-radius: 50%; background: var(--mint); content: ""; }

.overline { margin-bottom: 12px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
h2 { font-size: clamp(34px, 4.5vw, 62px); font-weight: 810; }
.section-intro { display: grid; grid-template-columns: 1fr 1fr; align-items: end; column-gap: 42px; margin-bottom: 38px; }
.section-intro > p { max-width: 475px; color: var(--muted); padding-bottom: 3px; font-size: 16px; line-height: 1.75; }
.service-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(18px, 4vw, 56px); row-gap: 37px; }
.service { border-top: 2px solid #b8c9bf; padding: 22px 0 12px; }
.service-label { color: var(--green); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.service h3 { margin-top: 9px; font-size: clamp(22px, 2.05vw, 29px); }
.service > p:not(.service-label) { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.78; }
.service ul { list-style: none; padding: 0; margin-top: 16px; color: #2a423a; font-size: 13px; }
.service li { display: flex; gap: 8px; align-items: baseline; padding-block: 3px; }
.service li::before { content: ""; flex: 0 0 4px; width: 4px; height: 4px; border-radius: 50%; background: #42896b; align-self: flex-start; margin-top: 10px; }
.service > a, .profile-source { display: inline-block; margin-top: 18px; color: var(--green); font-weight: 760; font-size: 13px; }
.service > a:hover, .profile-source:hover { text-decoration: underline; text-underline-offset: 4px; }
.service > a span, .profile-source span { margin-left: 4px; }

.process { background: #e5efe9; }
.process-inner { padding-block: 50px; display: grid; grid-template-columns: minmax(190px, 1fr) 3fr; column-gap: 40px; }
.process h2 { font-size: clamp(23px, 2.5vw, 34px); }
.process ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); list-style: none; padding: 0; gap: 20px; }
.process li { padding-left: 15px; border-left: 1px solid #a6c3b5; }
.process li span { color: var(--green); font-size: 12px; font-weight: 820; }
.process li h3 { font-size: 20px; margin-block: 5px 8px; }
.process li p { font-size: 13px; color: var(--muted); }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 23px; }
.filters button { color: #3c5850; background: transparent; padding: 7px 14px; border: 1px solid #b9cfc3; font-size: 13px; font-weight: 680; }
.filters button:hover { background: #e8f3ed; }
.filters button[aria-pressed="true"] { color: #fff; background: #235444; border-color: #235444; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.case { min-height: 154px; border: 1px solid var(--line); background: #fff; padding: 22px 22px 21px; }
.case-global { background: #e4f0e8; border-color: #d1e2d8; }
.case-label { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 10px; color: var(--green); font-size: 11px; font-weight: 790; }
.case h3 { margin-block: 12px 9px; font-size: clamp(17px, 1.8vw, 23px); }
.case > p:not(.case-label) { color: var(--muted); font-size: 13px; line-height: 1.65; }

.profile { background: #102c2c; color: #eaf3ee; }
.profile-inner { display: grid; grid-template-columns: minmax(205px, 1fr) minmax(0, 1.5fr); gap: clamp(30px, 7vw, 100px); padding-block: clamp(60px, 7.5vw, 105px); }
.profile .overline { color: #a8dfc7; }
.profile-name { border-top: 2px solid #9bd8bd; padding-top: 22px; }
.profile-name h2 { color: #fff; font-size: clamp(45px, 6vw, 78px); }
.profile-name h2 span { color: #b2e4ce; font-size: .45em; letter-spacing: -.03em; vertical-align: 6%; }
.profile-roman { margin-top: 10px; color: #bed9d0; font-size: 15px; }
.profile-body { padding-top: 18px; }
.profile-lead { max-width: 650px; color: #fff; font-size: clamp(20px, 2.4vw, 31px); line-height: 1.4; font-weight: 740; letter-spacing: -.045em; }
.profile-body > p + p { margin-top: 15px; color: #cadfd7; font-size: 15px; line-height: 1.78; }
.career-list { margin-top: 21px; }
.career-list div { display: grid; grid-template-columns: 107px 1fr; gap: 15px; padding: 11px 0; border-top: 1px solid #b9ddcf45; font-size: 13px; }
.career-list dt { color: #b2e6ce; font-weight: 740; }
.career-list dd { color: #e0ece7; }
.profile-source { color: var(--mint); }

.contact { display: grid; grid-template-columns: minmax(205px, 1fr) minmax(0, 1.52fr); column-gap: clamp(28px, 7vw, 95px); align-items: start; }
.contact-intro > p:not(.overline) { margin-top: 17px; max-width: 380px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.form-panel { border-top: 2px solid #91b7a4; padding-top: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form label { display: block; margin-bottom: 14px; color: #243e35; font-weight: 760; font-size: 13px; }
form label span[aria-hidden] { color: #3e8064; }
.optional { margin-left: 4px; color: #5b6c64; font-weight: 510; font-size: 11px; }
input, select, textarea { display: block; width: 100%; min-width: 0; min-height: 44px; border: 1px solid #b9c9c1; border-radius: 0; padding: 10px 11px; margin-top: 5px; color: var(--ink); background: #fff; font-weight: 500; font-size: 14px; }
input::placeholder, textarea::placeholder { color: #566761; }
textarea { resize: vertical; }
.form-action, .result-actions { display: flex; flex-wrap: wrap; gap: 10px 13px; align-items: center; }
.form-action > span { color: var(--muted); font-size: 12px; }
.button-dark { background: #174c3d; color: #fff; }
.button-dark:hover { background: #27634e; }
.button-light { color: #174c3d; background: #e9f4ed; border-color: #b8d4c6; }
.button-light:hover { background: #d5ebdf; }
.brief-result { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 20px; }
.brief-result h3 { font-size: 22px; }
.brief-result textarea { margin-block: 11px 12px; }
.brief-status { margin-top: 8px; color: #235444; font-size: 13px; }

.site-footer { background: var(--dark); color: #e0ede9; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding-block: 28px; }
.footer-inner .wordmark { font-size: 25px; }
.footer-inner p { color: #c3d9d2; font-size: 12px; margin-top: 6px; }
.footer-inner > a { color: #d9e9e3; font-size: 13px; white-space: nowrap; }

@media (max-width: 930px) {
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-inner { grid-template-columns: 1fr; row-gap: 25px; }
  .hero-image { background-position: center, center, 63% center; }
}
@media (max-width: 680px) {
  .header-inner { position: relative; min-height: 62px; flex-wrap: wrap; gap: 10px 14px; padding-block: 11px; }
  .wordmark { font-size: 25px; }
  .header-inner nav { width: 100%; flex-wrap: wrap; gap: 4px 16px; padding-bottom: 6px; }
  .menu-toggle:not([hidden]) { display: inline-block; }
  .menu-toggle:not([hidden]) + nav[data-open="false"] { display: none; }
  .header-inner nav a { padding-block: 7px; }
  .header-inner .header-cta { padding: 6px 8px; }
  .hero { min-height: 515px; }
  .hero-image { background-image: linear-gradient(90deg, #0b242ce8, #0b2229a0 65%, #0b22296b), linear-gradient(0deg, #0a2027cc 0%, transparent 50%), url("assets/global-city.webp"); background-position: center, center, 62% center; }
  .hero-copy { padding-block: 74px 42px; }
  .hero-label { font-size: 9px; letter-spacing: .11em; margin-bottom: 22px; }
  .hero-description { margin-top: 20px; }
  .hero-actions { gap: 8px; margin-top: 24px; }
  .hero-actions .button { min-height: 44px; padding-inline: 11px; font-size: 12px; gap: 8px; }
  .hero-index { gap: 9px; padding-block: 14px 17px; font-size: 11px; }
  .hero-index span + span::before { margin-right: 9px; }
  .section-intro, .profile-inner, .contact { grid-template-columns: 1fr; row-gap: 18px; }
  .section-intro { margin-bottom: 25px; }
  .section-intro > p { font-size: 14px; }
  .service-list, .case-grid { grid-template-columns: 1fr; }
  .service-list { row-gap: 20px; }
  .service { padding-top: 16px; }
  .process ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case { min-height: auto; padding: 18px; }
  .profile-body { padding-top: 3px; }
  .contact { row-gap: 26px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  input, select, textarea { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
}