:root {
  --ink: #181818;
  --paper: #f7f7f3;
  --white: #fff;
  --muted: #a9a9a4;
  --line: rgba(24,24,24,.16);
  --red: #ee392f;
  --orange: #f47b20;
  --max: 1440px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif; font-size: 16px; line-height: 1.65; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.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: 1000; top: 8px; left: 8px; padding: 10px 16px; color: #fff; background: #000; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: absolute; z-index: 20; top: 0; left: 0; width: 100%; height: 110px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px,5vw,76px); color: var(--ink); background: rgba(255,255,255,.98); border-bottom: 1px solid rgba(24,24,24,.15); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 15px; }
.brand-logo { display: block; width: auto; height: 54px; }
.brand-name { font-size: 18px; font-weight: 600; line-height: 1; letter-spacing: -.035em; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: clamp(22px,3vw,48px); font-size: 14px; font-weight: 600; }
.site-nav a { position: relative; }
.site-nav a:not(.nav-contact)::after { content: ""; position: absolute; left: 0; bottom: -7px; width: 100%; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-contact { padding-bottom: 5px; border-bottom: 1px solid rgba(24,24,24,.75); }
.menu-button { display: none; color: var(--ink); background: none; border: 0; padding: 12px; }
.menu-button span:not(.sr-only) { display: block; width: 26px; height: 1px; margin: 6px 0; background: currentColor; }
.hero { position: relative; min-height: 840px; height: 100svh; max-height: 1040px; color: #fff; background: #202020; overflow: hidden; }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slides { background: #282828; }
.hero-slide { background-position: center; background-size: cover; background-repeat: no-repeat; opacity: 0; transform: scale(1.025); transition: opacity 1.25s ease, transform 7.5s ease; }
.hero-slide.is-active { opacity: 1; transform: scale(1.005); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,12,12,.78) 0%, rgba(12,12,12,.5) 36%, rgba(12,12,12,.08) 74%), linear-gradient(0deg, rgba(0,0,0,.2), transparent 50%); }
.hero-grid { display: none; }
.hero-content { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; width: min(92%,var(--max)); height: 100%; margin: 0 auto; padding: 100px 0 40px; }
.eyebrow { display: flex; gap: 28px; margin: 0 0 34px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; opacity: .68; }
.hero h1 { margin: 0; font-size: clamp(50px,5.1vw,82px); font-weight: 500; line-height: 1.14; letter-spacing: -.025em; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-copy { margin: 36px 0 0; font-size: clamp(17px,1.4vw,21px); line-height: 1.7; letter-spacing: -.025em; color: rgba(255,255,255,.8); }
.hero-actions { display: flex; gap: 34px; margin-top: 40px; }
.hero-link { display: inline-flex; align-items: center; gap: 28px; padding-bottom: 7px; border-bottom: 1px solid rgba(255,255,255,.7); font-size: 13px; letter-spacing: .02em; }
.hero-link:hover { border-color: var(--orange); }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 34px; padding: 0 22px; border: 1px solid transparent; font-size: 14px; font-weight: 700; transition: background .25s,color .25s,border .25s,transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: #fff; }
.button-primary:hover { background: #333; }
.button-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.button-ghost:hover { background: #fff; color: var(--ink); }
.hero-index { position: absolute; z-index: 3; right: 5vw; bottom: 68px; display: flex; flex-direction: column; align-items: flex-end; gap: 22px; color: #fff; }
.hero-project { display: flex; align-items: flex-start; gap: 18px; }
.hero-project strong { font-size: 42px; font-weight: 400; line-height: 1; letter-spacing: -.06em; }
.hero-project span { min-width: 132px; padding-top: 3px; font-size: 12px; line-height: 1.5; letter-spacing: .02em; opacity: .82; }
.hero-pagination { display: flex; gap: 14px; }
.hero-pagination button { padding: 5px 0; color: rgba(255,255,255,.55); background: transparent; border: 0; border-bottom: 1px solid transparent; font-size: 11px; letter-spacing: .06em; cursor: pointer; transition: color .25s, border-color .25s; }
.hero-pagination button:hover, .hero-pagination button:focus-visible, .hero-pagination button.is-active { color: #fff; border-color: var(--orange); }
.scroll-cue { position: absolute; z-index: 2; left: 5vw; bottom: 34px; display: flex; align-items: center; gap: 14px; font-size: 9px; letter-spacing: .2em; opacity: .7; }
.scroll-cue i { display: block; width: 70px; height: 1px; background: #fff; transform-origin: left; animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { transform: scaleX(.35); opacity: .4; } 50% { transform: scaleX(1); opacity: 1; } }
.section { width: 100%; padding: clamp(96px,10vw,160px) max(5vw,calc((100vw - var(--max))/2)); }
.intent-strip { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: center; padding: 26px max(5vw,calc((100vw - var(--max))/2)); color: #fff; background: var(--ink); }
.intent-strip p { display: flex; flex-direction: column; margin: 0; }
.intent-strip p span { color: rgba(255,255,255,.58); font-size: 12px; }
.intent-strip nav { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 9px; }
.intent-strip a { padding: 8px 13px; border: 1px solid rgba(255,255,255,.26); font-size: 13px; transition: .2s; }
.intent-strip a:hover { color: var(--ink); background: var(--orange); border-color: var(--orange); }
.section-kicker { margin: 0 0 34px; font-size: 11px; font-weight: 800; letter-spacing: .19em; }
.section-kicker::before { content: ""; display: inline-block; width: 28px; height: 1px; margin: 0 12px 3px 0; background: var(--orange); }
.statement-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(50px,9vw,140px); align-items: start; }
.statement h2, .section-head h2, .process h2, .insight h2 { margin: 0; font-size: clamp(38px,4.3vw,64px); font-weight: 500; line-height: 1.18; letter-spacing: -.045em; }
.statement-copy { max-width: 600px; }
.statement-copy p { color: #686866; }
.statement-copy .lead { margin-top: 0; color: var(--ink); font-size: clamp(19px,1.8vw,25px); line-height: 1.65; font-weight: 550; letter-spacing: -.03em; }
.facts { display: grid; grid-template-columns: repeat(3,1fr); margin: 54px 0 0; border-top: 1px solid var(--ink); }
.facts div { padding: 18px 12px 0 0; }
.facts div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.facts dt { margin-bottom: 8px; font-size: 10px; letter-spacing: .15em; color: #888; }
.facts dd { margin: 0; font-size: 14px; font-weight: 700; }
.services { background: #fff; }
.section-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 60px; }
.section-head .section-kicker { margin-bottom: 18px; }
.section-head > p { margin: 0 0 8px; color: #747472; }
.service-list { border-top: 1px solid var(--ink); }
.service-item { display: grid; grid-template-columns: 70px 1fr 1.25fr 30px; gap: 28px; align-items: center; min-height: 136px; border-bottom: 1px solid var(--line); transition: padding .25s,background .25s; }
.service-item:hover { padding: 0 18px; background: #f6f6f3; }
.service-no { font-size: 12px; color: #8a8a84; font-weight: 700; }
.service-item h3 { margin: 0; font-size: clamp(20px,1.8vw,26px); font-weight: 600; letter-spacing: -.03em; }
.service-item h3 small { display: inline-block; margin-left: 8px; padding: 4px 7px; color: #171717; background: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .06em; vertical-align: middle; }
.service-item p { max-width: 610px; margin: 0; color: #6d6d69; }
.service-arrow { font-size: 23px; }
.projects { color: var(--ink); background: #f1f1ec; }
.inverse .section-kicker, .inverse > p { color: #71716d; }
.project-groups { display: grid; grid-template-columns: 1.65fr .85fr; gap: clamp(30px,4vw,64px); }
.project-group { min-width: 0; }
.group-title { display: flex; align-items: end; justify-content: space-between; min-height: 76px; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--ink); }
.group-title span { color: #787872; font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.group-title h3 { margin: 0; font-size: clamp(22px,2vw,30px); font-weight: 500; letter-spacing: -.035em; }
.private-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.public-grid { display: grid; gap: 18px; }
.project-card { position: relative; min-height: 390px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; color: var(--ink); background: #e8e8e3; border: 0; transition: opacity .28s ease; }
.project-card:hover { opacity: .94; }
.project-info { position: relative; z-index: 3; min-height: 154px; padding: 24px 26px 26px; background: rgba(255,255,255,.94); border-top: 1px solid #d8d8d2; }
.project-info > span { font-size: 10px; letter-spacing: .16em; color: #777771; font-weight: 700; }
.project-info h4 { margin: 7px 0 8px; font-size: clamp(21px,1.8vw,27px); font-weight: 600; letter-spacing: -.035em; }
.project-info p { margin: 0; color: #6a6a66; font-size: 14px; line-height: 1.65; }
.project-photo { position: absolute; z-index: 1; inset: 0 0 154px; width: 100%; height: calc(100% - 154px); object-fit: cover; object-position: center; transition: transform .55s ease; }
.project-card:hover .project-photo { transform: scale(1.025); }
.competition-card { min-height: 390px; }
.competition-card .project-photo { object-position: 52% center; }
.project-note { margin: 18px 0 0; color: #858580; font-size: 12px; text-align: right; }
.process { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.process-list li { display: grid; grid-template-columns: 66px 1fr; gap: 24px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.process-list > li > span { padding-top: 3px; color: #85857f; font-size: 12px; font-weight: 700; }
.process-list h3 { margin: 0 0 6px; font-size: 20px; font-weight: 600; letter-spacing: -.025em; }
.process-list p { margin: 0; color: #71716d; }
.insight { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 9vw; background: #e5e5e0; }
.insight-copy { max-width: 470px; }
.insight-copy p { color: #666; }
.text-link { display: inline-flex; gap: 40px; margin-top: 30px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); font-weight: 800; }
.contact { color: var(--ink); background: #efefea; border-top: 1px solid var(--line); }
.contact .section-kicker::before { background: var(--orange); }
.contact-top { display: flex; justify-content: space-between; align-items: start; }
.contact-top > p:last-child { margin: 0; color: #6f6f6a; }
.contact h2 { margin: 60px 0 66px; font-size: clamp(36px,4.4vw,64px); font-weight: 500; line-height: 1.18; letter-spacing: -.045em; }
.contact h2 em { color: #686863; font-style: normal; font-weight: 400; }
.contact-actions { display: flex; align-items: center; gap: 36px; }
.contact-phone { display: inline-flex; align-items: center; gap: 16px; margin: 0 0 34px; font-size: clamp(27px,3.4vw,48px); font-weight: 560; letter-spacing: -.035em; }
.contact-phone span { padding: 5px 9px; color: var(--ink); background: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.contact-phone i { font-size: .48em; font-style: normal; }
.button-light { background: transparent; color: var(--ink); border-color: var(--ink); }
.button-light:hover { background: var(--ink); color: #fff; }
.contact-actions p { margin: 0; font-size: 13px; color: #777771; }
.site-footer { display: grid; grid-template-columns: 1.3fr 1fr 1fr; align-items: end; gap: 30px; padding: 52px 5vw; color: var(--ink); background: #f7f7f3; border-top: 1px solid var(--line); font-size: 11px; letter-spacing: .11em; }
.footer-brand { display: flex; align-items: center; gap: 13px; letter-spacing: -.025em; font-size: 15px; font-weight: 600; }
.footer-logo-mark { display: block; width: auto; height: 42px; object-fit: contain; }
.site-footer p { margin: 5px 0; color: #777771; }
.site-footer > div:last-child { text-align: right; }
.site-footer a { display: inline-block; margin-bottom: 8px; }
@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: none; transform: none; }
}
@media (max-width: 900px) {
  .intent-strip { grid-template-columns: 1fr; gap: 18px; }
  .intent-strip nav { justify-content: flex-start; }
  .site-header { height: 92px; }
  .brand { gap: 12px; }
  .brand-logo { height: 46px; }
  .brand-name { font-size: 17px; }
  .menu-button { display: block; position: relative; z-index: 3; }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 26px; color: #fff; font-size: 24px; background: rgba(20,20,20,.98); transform: translateY(-102%); transition: transform .35s ease; }
  .site-nav a:not(.nav-contact)::after { background: #fff; }
  .site-nav .nav-contact { border-color: rgba(255,255,255,.75); }
  .menu-button[aria-expanded="true"] { position: fixed; top: 10px; right: 18px; color: #fff; }
  .site-nav.is-open { transform: translateY(0); }
  .nav-contact { margin-top: 12px; }
  .hero { min-height: 760px; }
  .hero-slide { background-position: 62% center; }
  .hero-content { width: 90%; }
  .hero-index { right: 5vw; bottom: 46px; }
  .hero-project { display: none; }
  .statement-grid, .process, .insight { grid-template-columns: 1fr; }
  .statement-grid, .process, .insight { gap: 52px; }
  .service-item { grid-template-columns: 48px 1fr 26px; padding: 25px 0; }
  .service-item p { grid-column: 2/4; }
  .service-arrow { grid-column: 3; grid-row: 1; }
  .project-groups { grid-template-columns: 1fr; }
  .competition-card { min-height: 500px; }
  .process-title br { display: none; }
  .contact-top { display: block; }
  .contact-top > p:last-child { margin-top: 30px; }
}
@media (max-width: 640px) {
  .intent-strip { padding: 25px 6vw; }
  .brand-logo { height: 42px; }
  .brand-name { font-size: 15px; }
  .hero { min-height: 700px; }
  .hero h1 { font-size: clamp(44px,13vw,60px); line-height: 1.16; letter-spacing: -.02em; }
  .eyebrow span:last-child { display: none; }
  .hero-copy br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; width: min(100%,310px); }
  .button { justify-content: space-between; }
  .section { padding: 88px 6vw; }
  .statement h2, .section-head h2, .process h2, .insight h2 { font-size: 36px; }
  .facts { grid-template-columns: 1fr; }
  .facts div { padding: 15px 0; border-bottom: 1px solid var(--line); }
  .facts div + div { padding-left: 0; border-left: 0; }
  .section-head { display: block; }
  .section-head > p { margin-top: 26px; }
  .service-item { gap: 14px; }
  .service-item p { font-size: 14px; }
  .private-grid { grid-template-columns: 1fr; }
  .group-title { align-items: start; flex-direction: column; gap: 8px; }
  .project-card, .competition-card { min-height: 390px; }
  .contact h2 { margin: 40px 0 46px; font-size: clamp(34px,9.5vw,43px); }
  .contact-actions { align-items: stretch; flex-direction: column; }
  .contact-phone { flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .site-footer > div:last-child { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}