:root {
  --graphite: #232a31;
  --graphite-deep: #171c21;
  --gold: #b79a5b;
  --gold-light: #d1ba86;
  --gold-ink: #806a3d;
  --ink: #222222;
  --muted: #5f6569;
  --line: #c9cccf;
  --warm: #f3f1ec;
  --white: #ffffff;
  --font-body: "Manrope", sans-serif;
  --font-heading: "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.025em;
}
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.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;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: 84px;
  padding: 0 clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 54px);
  background: rgba(35, 42, 49, 0.97);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  transition: height 0.25s ease, box-shadow 0.25s ease;
}
.site-header.scrolled {
  height: 72px;
  box-shadow: 0 8px 30px rgba(23, 28, 33, 0.18);
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: max-content;
  line-height: 1;
}
.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.brand-copy { display: grid; gap: 7px; }
.brand-copy strong {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.brand-copy small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.2vw, 36px);
  font-size: 14px;
  font-weight: 600;
}
.site-nav a { position: relative; white-space: nowrap; }
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); }
.nav-cta {
  padding: 11px 17px;
  color: var(--graphite-deep);
  background: var(--gold);
  border: 1px solid var(--gold);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.nav-cta:hover { background: var(--gold-light); border-color: var(--gold-light); }
.header-actions { display: flex; align-items: center; }
.language-switcher {
  display: flex;
  align-items: center;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.language-switcher button {
  border: 0;
  padding: 6px 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: color 0.2s ease, background 0.2s ease;
}
.language-switcher button:hover,
.language-switcher button:focus-visible { color: var(--white); }
.language-switcher button[aria-pressed="true"] {
  background: var(--gold);
  color: var(--graphite-deep);
}
.menu-toggle {
  display: none;
  padding: 8px;
  border: 0;
  background: none;
  color: var(--white);
}
.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 26px;
  height: 1px;
  margin: 6px;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 760px;
  padding-top: 84px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(430px, 0.95fr);
  grid-template-rows: 1fr auto;
  grid-template-areas: "content visual" "trust trust";
  background: var(--warm);
}
.hero-content {
  grid-area: content;
  align-self: center;
  padding: 96px clamp(40px, 7vw, 126px) 92px clamp(24px, 8vw, 140px);
}
.eyebrow,
.section-label,
.approach-kicker {
  margin-bottom: 24px;
  color: var(--gold-ink);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 830px;
  margin-bottom: 28px;
  color: var(--graphite);
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.06;
}
.hero h1 em {
  color: var(--gold-ink);
  font-style: normal;
}
.hero-lead {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.7;
}
.hero-actions {
  margin-top: 38px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  min-width: 220px;
  padding: 15px 19px;
  font-size: 14px;
  font-weight: 700;
}
.button-primary {
  background: var(--graphite);
  color: var(--white);
  border: 1px solid var(--graphite);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.button-primary i { color: var(--gold); font-style: normal; }
.button-primary:hover { background: var(--graphite-deep); border-color: var(--graphite-deep); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  color: var(--graphite);
  font-size: 14px;
  font-weight: 700;
}
.text-link i { color: var(--gold); font-style: normal; }
.hero-visual {
  grid-area: visual;
  position: relative;
  min-height: 570px;
  overflow: hidden;
  background: var(--graphite);
}
.hero-image,
.hero-visual-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-image { object-fit: cover; object-position: center; }
.hero-visual-shade {
  background: linear-gradient(180deg, rgba(23, 28, 33, 0.08), rgba(23, 28, 33, 0.58));
}
.hero-caption {
  position: absolute;
  right: 28px;
  bottom: 26px;
  left: 28px;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-heading);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.trust-band {
  grid-area: trust;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 clamp(24px, 8vw, 140px);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-band div {
  min-height: 112px;
  padding: 28px clamp(20px, 3vw, 46px);
  display: flex;
  align-items: center;
  gap: 20px;
  border-left: 1px solid var(--line);
}
.trust-band div:last-child { border-right: 1px solid var(--line); }
.trust-band strong {
  color: var(--gold-ink);
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.trust-band span {
  color: var(--graphite);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.section { padding: clamp(96px, 10vw, 150px) clamp(24px, 8vw, 140px); }
.section-intro {
  margin-bottom: 66px;
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: clamp(34px, 6vw, 100px);
}
.section-label { color: var(--gold-ink); }
.section-label.light { color: var(--gold-light); }
.section-intro h2,
.about h2,
.approach h2,
.contact h2 {
  margin-bottom: 24px;
  color: var(--graphite);
  font-size: clamp(36px, 4.2vw, 60px);
  line-height: 1.12;
}
.section-intro > div > p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.services { background: var(--warm); }
.service-list { border-top: 1px solid var(--line); }
.service-card {
  min-height: 230px;
  padding: 36px 28px;
  display: grid;
  grid-template-columns: 64px minmax(260px, 1.15fr) minmax(260px, 0.85fr);
  gap: clamp(24px, 4vw, 68px);
  align-items: start;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.service-card:hover { background: rgba(255, 255, 255, 0.66); }
.service-number {
  color: var(--gold-ink);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.service-card h3 {
  margin-bottom: 16px;
  color: var(--graphite);
  font-size: clamp(23px, 2.1vw, 31px);
  line-height: 1.25;
}
.service-card p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
}
.service-card ul {
  margin: 3px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  list-style: none;
  color: var(--graphite);
  font-size: 14px;
  font-weight: 600;
}
.service-card li {
  padding-left: 18px;
  position: relative;
}
.service-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.approach {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(70px, 10vw, 160px);
  background: var(--graphite);
  color: var(--white);
}
.approach-heading { align-self: start; position: sticky; top: 120px; }
.approach-kicker { margin-bottom: 18px; }
.approach-kicker { color: var(--gold-light); }
.approach h2 { color: var(--white); }
.process { margin: 0; padding: 0; list-style: none; }
.process li {
  min-height: 160px;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.process li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.18); }
.process li > span {
  color: var(--gold-light);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.process h3 {
  margin-bottom: 10px;
  color: var(--white);
  font-size: 23px;
}
.process p { max-width: 650px; margin-bottom: 0; color: rgba(255, 255, 255, 0.64); }

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
  background: var(--white);
}
.about-lead {
  max-width: 760px;
  color: var(--graphite);
  font-size: clamp(19px, 1.9vw, 25px);
  line-height: 1.65;
}
.about-copy > p:last-child { max-width: 710px; margin-bottom: 0; color: var(--muted); }
.company-facts {
  margin: 0;
  border-top: 3px solid var(--gold);
  border-bottom: 1px solid var(--line);
}
.company-facts div {
  padding: 23px 0;
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 24px;
  border-top: 1px solid var(--line);
}
.company-facts div:first-child { border-top: 0; }
.company-facts dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.company-facts dd {
  margin: 0;
  color: var(--graphite);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
}
.company-facts dd span { color: var(--gold-ink); font-family: var(--font-heading); letter-spacing: 0.05em; }

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(390px, 0.8fr);
  gap: clamp(70px, 10vw, 160px);
  align-items: end;
  background: var(--graphite-deep);
  color: var(--white);
}
.contact h2 { margin-bottom: 0; color: var(--white); }
.contact h2 em { color: var(--gold-light); font-style: normal; }
.contact-card {
  padding: 34px;
  border-top: 3px solid var(--gold);
  background: rgba(255, 255, 255, 0.045);
}
.contact-card > p { color: rgba(255, 255, 255, 0.68); }
.email-link {
  width: 100%;
  margin-top: 24px;
  padding: 0 0 7px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  border: 0;
  border-bottom: 1px solid rgba(183, 154, 91, 0.55);
  background: transparent;
  color: var(--gold-light);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 600;
  text-align: left;
}
.email-link:hover { color: var(--white); }
.contact-card address {
  margin-top: 30px;
  padding-top: 26px;
  display: grid;
  gap: 5px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-style: normal;
}
.contact-card address strong { font-family: var(--font-heading); letter-spacing: 0.08em; }
.contact-card address span { color: var(--gold-light); font-size: 14px; }
.contact-card address small { margin-top: 6px; color: rgba(255, 255, 255, 0.52); line-height: 1.65; }

footer {
  min-height: 118px;
  padding: 26px clamp(24px, 5vw, 80px);
  display: flex;
  align-items: center;
  gap: 34px;
  background: #11161a;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
}
footer p { margin-bottom: 0; }
footer p:nth-child(2) { margin-right: auto; }
.footer-brand { display: flex; align-items: center; gap: 11px; color: var(--white); }
.footer-brand img { width: 36px; height: 36px; object-fit: contain; }
.footer-brand strong { font-family: var(--font-heading); font-size: 13px; letter-spacing: 0.1em; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
body[data-lang="ko"] { font-family: "Noto Sans KR", sans-serif; word-break: keep-all; }
body[data-lang="ko"] h1,
body[data-lang="ko"] h2,
body[data-lang="ko"] h3,
body[data-lang="ko"] .brand-copy strong,
body[data-lang="ko"] .footer-brand strong { font-family: "Noto Sans KR", sans-serif; letter-spacing: -0.02em; }

@media (max-width: 1180px) {
  .site-nav { gap: 20px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: minmax(0, 1.12fr) minmax(390px, 0.88fr); }
  .service-card { grid-template-columns: 50px 1fr; }
  .service-card ul { grid-column: 2; grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .site-header { height: 76px; padding: 0 22px; }
  .site-header.scrolled { height: 70px; }
  .brand-logo { width: 42px; height: 42px; }
  .brand-copy small { display: none; }
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    margin: 0;
    padding: 120px 28px 44px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    background: rgba(23, 28, 33, 0.99);
    font-family: var(--font-heading);
    font-size: 26px;
    transform: translateX(100%);
    transition: transform 0.28s ease;
  }
  .site-nav.open { transform: none; }
  .site-nav a:not(.nav-cta) { display: block; }
  .nav-cta { margin-top: 6px; font-size: 18px; }
  .header-actions { margin-left: auto; z-index: 2; }
  .language-switcher { position: relative; z-index: 2; }
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .hero {
    min-height: 0;
    padding-top: 76px;
    grid-template-columns: 1fr;
    grid-template-rows: auto 420px auto;
    grid-template-areas: "content" "visual" "trust";
  }
  .hero-content { padding: 90px 42px 80px; }
  .hero-visual { min-height: 420px; }
  .trust-band { padding: 0 24px; }
  .trust-band div { padding: 24px 18px; }
  .section-intro { grid-template-columns: 1fr; gap: 10px; }
  .approach,
  .about,
  .contact { grid-template-columns: 1fr; gap: 60px; }
  .approach-heading { position: static; }
  .company-facts { max-width: 680px; }
}

@media (max-width: 640px) {
  .site-header { padding: 0 14px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-logo { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 11px; letter-spacing: 0.08em; }
  .language-switcher button { padding: 5px 6px; font-size: 10px; }
  .menu-toggle { padding: 4px; }
  .menu-toggle > span:not(.sr-only) { width: 23px; }
  .hero { grid-template-rows: auto 310px auto; }
  .hero-content { padding: 72px 24px 64px; }
  .hero h1 { font-size: 40px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .button { width: 100%; min-width: 0; }
  .hero-visual { min-height: 310px; }
  .trust-band { padding: 0 24px; grid-template-columns: 1fr; }
  .trust-band div { min-height: 82px; padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .trust-band div:last-child { border-right: 0; border-bottom: 0; }
  .section { padding: 82px 24px; }
  .section-intro { margin-bottom: 46px; }
  .section-intro h2,
  .about h2,
  .approach h2,
  .contact h2 { font-size: 36px; }
  .service-card { padding: 30px 0; grid-template-columns: 42px 1fr; gap: 20px; }
  .service-card h3 { font-size: 24px; }
  .service-card ul { grid-column: 2; grid-template-columns: 1fr; }
  .process li { grid-template-columns: 44px 1fr; gap: 15px; }
  .company-facts div { grid-template-columns: 1fr; gap: 7px; }
  .contact-card { padding: 28px 22px; }
  footer { align-items: flex-start; flex-direction: column; gap: 16px; }
  footer p:nth-child(2) { margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}