:root {
  --ink: #f7f3ea;
  --ink-dark: #17171b;
  --muted: #aaa69e;
  --muted-dark: #625e57;
  --bg: #0a0a0d;
  --bg-soft: #111115;
  --panel: #151519;
  --paper: #f3efe7;
  --gold: #c9a45c;
  --gold-light: #e3ca92;
  --line: rgba(201, 164, 92, 0.24);
  --line-soft: rgba(247, 243, 234, 0.12);
  --max: 1180px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif KR", Georgia, serif;
  --sans: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.75 var(--sans);
  word-break: keep-all;
  overflow-wrap: break-word;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 10%, rgba(201,164,92,.10), transparent 28rem),
    linear-gradient(135deg, #0a0a0d 0%, #0c0c10 56%, #09090b 100%);
}
a { color: inherit; text-decoration-color: rgba(201,164,92,.6); text-underline-offset: .28em; }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 5px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--paper); color: var(--ink-dark); }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(10,10,13,.84);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; flex: 0 0 auto; }
.brand-mark { width: 31px; height: 28px; object-fit: contain; }
.brand-word { width: 126px; height: auto; display: block; }
.menu-button { display: none; border: 1px solid var(--line); color: var(--ink); background: transparent; padding: .55rem .75rem; font: inherit; }
.nav-list { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); list-style: none; margin: 0; padding: 0; }
.nav-list a { color: var(--muted); text-decoration: none; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--ink); }

.eyebrow { margin: 0 0 1rem; color: var(--gold-light); font-size: .76rem; font-weight: 650; letter-spacing: .18em; text-transform: uppercase; }
.hero { min-height: calc(100svh - 74px); display: grid; align-items: center; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); align-items: center; gap: clamp(2rem, 7vw, 7rem); padding-block: clamp(4rem, 10vh, 8rem); }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(3.5rem, 8vw, 7.8rem); font-weight: 500; letter-spacing: -.065em; line-height: .93; }
.hero-kicker { margin: 1.5rem 0 0; max-width: 41rem; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.principles { margin-top: clamp(2.2rem, 6vh, 4.5rem); border-top: 1px solid var(--line-soft); }
.principle { display: grid; grid-template-columns: 3.5rem 7rem 1fr; align-items: baseline; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line-soft); }
.principle strong { font-family: var(--serif); font-size: 1.35rem; font-weight: 500; }
.principle span { color: var(--muted); font-size: .9rem; }
.principle .number { color: var(--gold); font: 500 .72rem/1 var(--sans); letter-spacing: .12em; }
.hero-emblem { position: relative; min-height: 560px; display: grid; place-items: center; }
.hero-emblem::before, .hero-emblem::after { content: ""; position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.hero-emblem::before { width: min(34vw, 450px); aspect-ratio: 1; }
.hero-emblem::after { width: min(42vw, 555px); aspect-ratio: 1; border-color: rgba(247,243,234,.07); }
.hero-emblem img { width: min(25vw, 330px); position: relative; z-index: 1; filter: drop-shadow(0 28px 50px rgba(0,0,0,.48)); animation: breathe 7s ease-in-out infinite; }
.hero-note { position: absolute; right: 0; bottom: 3rem; z-index: 2; color: var(--muted); font-size: .72rem; letter-spacing: .12em; writing-mode: vertical-rl; }
@keyframes breathe { 50% { transform: translateY(-10px); } }

.section { padding-block: clamp(5rem, 11vw, 9rem); border-top: 1px solid var(--line-soft); }
.section-grid { display: grid; grid-template-columns: minmax(180px, .32fr) minmax(0, 1fr); gap: clamp(2.5rem, 8vw, 8rem); }
.section-index { color: var(--gold); font-size: .76rem; letter-spacing: .14em; }
.section-title { margin: 0; max-width: 760px; font-family: var(--serif); font-size: clamp(2.4rem, 5.5vw, 5.4rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.05; }
.section-lead { max-width: 760px; margin: 2rem 0 0; color: var(--muted); font-size: clamp(1.02rem, 1.6vw, 1.28rem); }
.company-statement { margin-top: 4rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.statement-item { background: var(--bg); padding: clamp(1.5rem, 3.5vw, 3rem); }
.statement-item span { display: block; color: var(--gold); font-size: .72rem; letter-spacing: .12em; margin-bottom: 1.2rem; }
.statement-item p { margin: 0; font-size: 1.08rem; }

.portfolio-preview { margin-top: 4rem; border-top: 1px solid var(--line-soft); }
.project-row { display: grid; grid-template-columns: 3rem minmax(210px, .8fr) minmax(0, 1.4fr) auto; align-items: center; gap: 2rem; padding: 1.65rem 0; border-bottom: 1px solid var(--line-soft); text-decoration: none; }
.project-row:hover { color: inherit; background: linear-gradient(90deg, transparent, rgba(201,164,92,.055), transparent); }
.project-row .num { color: var(--gold); font-size: .72rem; }
.project-row h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.35rem, 2.2vw, 2rem); font-weight: 500; }
.project-row p { margin: 0; color: var(--muted); font-size: .9rem; }
.status { display: inline-flex; align-items: center; min-height: 2rem; padding: .3rem .68rem; border: 1px solid var(--line); color: var(--gold-light); font-size: .7rem; letter-spacing: .06em; white-space: nowrap; }
.status.pending { color: var(--ink); border-color: var(--line-soft); }
.text-link { display: inline-flex; gap: .65rem; align-items: center; margin-top: 2rem; color: var(--gold-light); text-decoration: none; font-weight: 650; }
.text-link::after { content: "↗"; }

.ip-panel { margin-top: 4rem; display: grid; grid-template-columns: .85fr 1.15fr; border: 1px solid var(--line); }
.ip-count { padding: clamp(2rem, 5vw, 4rem); display: flex; align-items: baseline; gap: 1rem; background: var(--gold); color: var(--ink-dark); }
.ip-count strong { font: 500 clamp(4.5rem, 9vw, 8rem)/.8 var(--serif); }
.ip-count span { font-weight: 700; }
.ip-copy { padding: clamp(2rem, 5vw, 4rem); }
.ip-copy h3 { margin: 0 0 1rem; font: 500 clamp(1.5rem, 3vw, 2.5rem)/1.25 var(--serif); }
.ip-copy p { color: var(--muted); margin: .7rem 0; }
.ip-status-list { margin: 1.8rem 0; border-top: 1px solid var(--line-soft); }
.ip-status-list p { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: .85rem 0; margin: 0; border-bottom: 1px solid var(--line-soft); }
.ip-status-list strong { color: var(--gold-light); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.ip-status-list span { color: var(--ink); }
.ip-copy .ip-note { font-size: .82rem; line-height: 1.65; }

.ceo-layout { display: grid; grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.portrait-frame {
  background: var(--paper);
  position: relative;
  overflow: hidden;
  border-radius: 5rem 5rem 2rem 2rem;
  box-shadow: 0 30px 80px rgba(0,0,0,.32);
}
.portrait-frame::after { content: ""; position: absolute; inset: auto 0 0; height: 20%; background: linear-gradient(transparent, rgba(243,239,231,.9)); pointer-events: none; }
.portrait-frame img { display: block; width: 100%; }
.ceo-name { margin: 2.5rem 0 .3rem; font: 500 1.7rem/1.3 var(--serif); }
.ceo-role { color: var(--gold-light); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.ceo-copy p { color: #d5d0c7; }

.contact-band { padding-block: clamp(4rem, 8vw, 7rem); background: var(--paper); color: var(--ink-dark); }
.contact-inner { display: flex; justify-content: space-between; gap: 3rem; align-items: end; }
.contact-band h2 { margin: 0; max-width: 700px; font: 500 clamp(2.5rem, 6vw, 6rem)/1 var(--serif); letter-spacing: -.05em; }
.contact-band a { color: var(--ink-dark); font-weight: 700; text-decoration-color: var(--gold); white-space: nowrap; }

.page-hero { padding-block: clamp(5rem, 11vw, 9rem) clamp(3rem, 7vw, 6rem); }
.page-hero h1 { margin: 0; font: 500 clamp(3.4rem, 8vw, 7.5rem)/.95 var(--serif); letter-spacing: -.055em; }
.page-hero p { max-width: 720px; margin: 2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.content-section { padding-bottom: clamp(5rem, 10vw, 9rem); }
.project-list { border-top: 1px solid var(--line-soft); }
.project-detail { display: grid; grid-template-columns: 3.5rem minmax(210px, .7fr) minmax(0, 1.2fr); gap: clamp(1.5rem, 5vw, 5rem); padding: clamp(2rem, 4vw, 3.5rem) 0; border-bottom: 1px solid var(--line-soft); }
.project-detail .num { color: var(--gold); font-size: .72rem; }
.project-detail h2 { margin: 0 0 .65rem; font: 500 clamp(1.8rem, 3vw, 2.8rem)/1.15 var(--serif); }
.project-kind { color: var(--muted); font-size: .85rem; }
.project-description { margin: 0 0 1.2rem; color: #d6d1c8; }
.project-points { list-style: none; margin: 1.5rem 0; padding: 0; border-top: 1px solid var(--line-soft); }
.project-points li { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--line-soft); }
.project-points strong { color: var(--gold-light); font-size: .82rem; }
.project-points span { color: var(--muted); font-size: .9rem; }
.process-flow { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.5rem 0; }
.process-flow span { display: inline-flex; align-items: center; gap: .45rem; color: #d6d1c8; font-size: .76rem; }
.process-flow span:not(:last-child)::after { content: "→"; color: var(--gold); }
.project-meta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.project-meta a { color: var(--gold-light); }

.notice-list { border-top: 1px solid var(--line-soft); }
.notice-item { display: grid; grid-template-columns: 8rem 1fr auto; gap: 2rem; align-items: center; padding: 1.6rem 0; border-bottom: 1px solid var(--line-soft); text-decoration: none; }
.notice-item time, .notice-item span { color: var(--muted); font-size: .82rem; }
.notice-item h2 { margin: 0; font: 500 1.3rem/1.4 var(--serif); }
.empty-notice { padding: 4rem 0; color: var(--muted); border-bottom: 1px solid var(--line-soft); }
.article { max-width: 820px; margin-inline: auto; padding-block: clamp(4rem, 9vw, 8rem); }
.article .back { color: var(--gold-light); font-size: .85rem; }
.article h1 { margin: 3rem 0 1rem; font: 500 clamp(2.5rem, 6vw, 5rem)/1.08 var(--serif); letter-spacing: -.04em; }
.article-meta { color: var(--muted); padding-bottom: 2rem; border-bottom: 1px solid var(--line-soft); }
.article-body { padding-top: 2rem; color: #d8d3ca; }
.article-body h2 { margin-top: 2.8rem; color: var(--ink); font: 500 1.7rem/1.4 var(--serif); }
.article-body a { color: var(--gold-light); }
.policy-summary { margin: 2rem 0; padding: 1.5rem; border-left: 3px solid var(--gold); background: var(--panel); }
.article-body li { margin: .55rem 0; }
.data-row { padding: 1.2rem 0; border-bottom: 1px solid var(--line-soft); }
.data-row strong { display: block; color: var(--ink); margin-bottom: .35rem; }

.privacy-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); }
.privacy-card { min-height: 260px; padding: clamp(1.5rem, 4vw, 3rem); background: var(--bg); text-decoration: none; display: flex; flex-direction: column; }
.privacy-card:hover { background: var(--panel); color: inherit; }
.privacy-card h2 { margin: 0; font: 500 clamp(1.6rem, 3vw, 2.6rem)/1.2 var(--serif); }
.privacy-card p { color: var(--muted); }
.privacy-card .card-bottom { margin-top: auto; display: flex; justify-content: space-between; gap: 1rem; color: var(--gold-light); font-size: .82rem; }
.not-found { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.not-found strong { display: block; font: 500 clamp(6rem, 18vw, 14rem)/.8 var(--serif); color: var(--gold); opacity: .8; }
.not-found h1 { font: 500 clamp(2rem, 4vw, 3.4rem)/1.2 var(--serif); }

.site-footer { padding-block: 3rem; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: .82rem; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; justify-content: end; }
.footer-links a { text-decoration: none; }
.footer-brand { color: var(--ink); font-weight: 650; letter-spacing: .08em; }
.footer-note { margin: .5rem 0 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .menu-button { display: block; }
  .site-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; background: #0d0d11; border-bottom: 1px solid var(--line-soft); }
  .site-nav.is-open { display: block; }
  .nav-list { width: min(calc(100% - 2.5rem), var(--max)); margin: auto; padding: 1.2rem 0 1.5rem; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a { display: block; padding: .85rem 0; font-size: .9rem; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-emblem { min-height: 370px; grid-row: 1; }
  .hero-emblem::before { width: 300px; }
  .hero-emblem::after { width: 365px; }
  .hero-emblem img { width: 220px; }
  .hero-note { right: 1rem; bottom: 1rem; }
  .section-grid, .ceo-layout { grid-template-columns: 1fr; }
  .company-statement, .ip-panel { grid-template-columns: 1fr; }
  .project-row { grid-template-columns: 2.5rem 1fr auto; gap: 1rem; }
  .project-row p { grid-column: 2 / -1; }
  .project-detail { grid-template-columns: 2.5rem 1fr; }
  .project-detail > :last-child { grid-column: 2; }
  .contact-inner { display: block; }
  .contact-band a { display: inline-block; margin-top: 2rem; }
}

@media (max-width: 580px) {
  .shell { width: min(calc(100% - 2rem), var(--max)); }
  .brand-word { width: 108px; }
  .hero-grid { padding-top: 2.8rem; }
  .hero-emblem { min-height: 290px; }
  .hero-emblem::before { width: 235px; }
  .hero-emblem::after { width: 285px; }
  .hero-emblem img { width: 170px; }
  .principle { grid-template-columns: 2rem 5.5rem 1fr; gap: .7rem; }
  .principle strong { font-size: 1.1rem; }
  .principle span { font-size: .8rem; }
  .project-row { grid-template-columns: 2rem 1fr; }
  .project-row .status { grid-column: 2; justify-self: start; }
  .project-row p { grid-column: 2; }
  .project-detail { grid-template-columns: 1fr; }
  .project-detail > :last-child { grid-column: auto; }
  .project-detail .num { display: none; }
  .portrait-frame { border-radius: 3.5rem 3.5rem 1.5rem 1.5rem; }
  .privacy-list { grid-template-columns: 1fr; }
  .notice-item { grid-template-columns: 1fr auto; gap: .5rem 1rem; }
  .notice-item time { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}