:root {
  --navy: #0b1c28;
  --navy-2: #123044;
  --ink: #1c2328;
  --muted: #5b656c;
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --line: #d7cebc;
  --white: #fbf8f2;
  --teal: #2aa7a1;
  --teal-deep: #1c7d78;
  --copper: #d4a056;
  --header: 72px;
  --max: 1180px;
  --serif: "Fraunces", "Apple SD Gothic Neo", serif;
  --sans: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  letter-spacing: -0.01em;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  z-index: 80;
  background: var(--copper);
  color: var(--navy);
  padding: 8px 12px;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 28, 40, 0.92);
  color: var(--white);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 225, 212, 0.12);
}

.header-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  color: var(--copper);
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-en {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
}

.brand-ko {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(251, 248, 242, 0.62);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 12px;
  font-size: 14px;
  color: rgba(251, 248, 242, 0.82);
}

.nav a.is-active,
.nav a:hover {
  color: var(--white);
}

.nav-cta {
  margin-left: 8px;
  border: 1px solid var(--copper);
  color: var(--copper) !important;
  padding: 8px 16px !important;
}

.nav-cta:hover {
  background: var(--copper);
  color: var(--navy) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(231, 225, 212, 0.2);
  background: transparent;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--white);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  align-items: center;
  gap: 24px;
  min-height: calc(100vh - var(--header));
  min-height: calc(100svh - var(--header));
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 64px 0 80px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(231, 225, 212, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 225, 212, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 72%);
}

.hero-inner,
.hero-aside {
  position: relative;
  z-index: 1;
}

.hero-inner {
  width: min(720px, calc(100% - 40px));
  margin-left: max(20px, calc((100% - var(--max)) / 2));
}

.hero-kicker {
  color: var(--copper);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-wordmark {
  display: block;
  margin: 18px 0 16px;
  font-family: var(--serif);
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.hero-headline {
  display: block;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.hero-lead {
  max-width: 38em;
  margin-top: 22px;
  color: rgba(251, 248, 242, 0.78);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-aside {
  display: grid;
  place-items: center;
  padding-right: max(12px, calc((100% - var(--max)) / 2));
}

.nexus-art {
  width: min(420px, 86%);
  opacity: 0.95;
}

.pulse-line {
  stroke-dasharray: 8 10;
  animation: dash 18s linear infinite;
}

.pulse-line.delay {
  animation-duration: 24s;
  animation-direction: reverse;
}

@keyframes dash {
  to {
    stroke-dashoffset: -240;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
}

.btn-primary {
  background: var(--copper);
  color: var(--navy);
}

.btn-primary:hover {
  background: #e0b36e;
}

.btn-ghost {
  border-color: rgba(231, 225, 212, 0.4);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--white);
}

.section {
  padding: 96px 0;
  scroll-margin-top: calc(var(--header) + 12px);
}

.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 140px;
}

.section-label span {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.section-label strong {
  font-size: 14px;
  font-weight: 600;
}

.section-copy h2,
.greeting-body h2,
.section-head h2,
.contact-copy h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.35;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin-bottom: 24px;
}

.eyebrow {
  color: var(--teal-deep);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.about .section-inner {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 48px;
}

.section-copy p + p,
.greeting-body p + p {
  margin-top: 16px;
}

.section-copy p,
.greeting-body p,
.section-lead,
.contact-copy > p {
  color: var(--muted);
  font-size: 17px;
  max-width: 44em;
}

.greeting {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.greeting-layout {
  display: grid;
  grid-template-columns: 180px minmax(0, 1.3fr) minmax(240px, 0.8fr);
  gap: 40px;
  align-items: start;
}

.signoff {
  margin-top: 28px !important;
  color: var(--ink) !important;
  font-weight: 600;
}

.signoff span {
  display: block;
  margin-top: 4px;
  font-weight: 500;
  color: var(--muted);
  font-size: 14px;
}

.greeting-portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-top: 28px;
  border: 1px solid var(--line);
}

.credentials {
  background: var(--navy);
  color: var(--white);
  padding: 28px 24px;
}

.credentials h3 {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}

.credentials ul,
.service-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.credentials li + li,
.service-card li + li {
  margin-top: 10px;
}

.credentials li {
  padding-left: 14px;
  position: relative;
  font-size: 14px;
  line-height: 1.55;
}

.credentials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 1px;
  background: var(--teal);
}

.section-head {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.competency-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.competency-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--teal);
  padding: 28px 24px;
}

.competency-en {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 10px;
}

.competency-card p + p {
  color: var(--muted);
  font-size: 15px;
  margin: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px 24px 32px;
  min-height: 100%;
}

.service-index {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--copper);
  margin: 0 0 14px;
}

.service-visual {
  background: var(--navy);
  border: 1px solid var(--navy);
  padding: 28px 24px 32px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.service-visual svg {
  width: 100%;
  height: auto;
}

.service-visual-kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}

.service-visual-copy {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(251, 248, 242, 0.86);
}

.service-card h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 20px;
}

.service-card li {
  font-size: 14px;
  padding-left: 12px;
  position: relative;
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
}

.insights {
  background: var(--navy);
  color: var(--white);
}

.insights .section-label span,
.insights .eyebrow {
  color: var(--copper);
}

.insights .section-lead {
  color: rgba(251, 248, 242, 0.7);
}

.insight-list {
  display: grid;
  gap: 1px;
  background: rgba(231, 225, 212, 0.16);
  border: 1px solid rgba(231, 225, 212, 0.16);
}

.insight-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: 100%;
  text-align: left;
  background: #102433;
  border: 0;
  padding: 28px 24px;
  cursor: pointer;
}

.insight-card:hover {
  background: #153044;
}

.insight-card .tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.insight-card h3 {
  font-size: 20px;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.insight-card p {
  color: rgba(251, 248, 242, 0.68);
  font-size: 14px;
}

.insight-card .more {
  font-size: 13px;
  color: var(--copper);
  white-space: nowrap;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.contact-meta {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
}

.contact-meta div {
  display: grid;
  gap: 2px;
}

.contact-meta dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.contact-meta dd {
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 28px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.contact-form input:not([type="checkbox"]),
.contact-form select,
.contact-form textarea {
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 11px 12px;
  outline: none;
  font-size: 16px;
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}

.contact-form select {
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 3px), calc(100% - 11px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

.contact-form input:not([type="checkbox"]):focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--teal-deep);
}

.contact-form .is-error {
  border-color: #b42318;
}

.contact-form .btn {
  width: 100%;
  min-height: 48px;
  touch-action: manipulation;
  -webkit-appearance: none;
  appearance: none;
}

.check {
  display: flex !important;
  align-items: flex-start;
  gap: 8px;
  font-weight: 500 !important;
  color: var(--muted);
}

.check input {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  accent-color: var(--teal-deep);
  -webkit-appearance: checkbox;
  appearance: checkbox;
}

.check a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-note {
  margin: 0;
  font-size: 14px;
  color: #8a3b16;
}

.form-note.is-success {
  color: var(--teal-deep);
}

.google-form-frame {
  position: absolute;
  width: 0;
  height: 0;
  border: 0;
  visibility: hidden;
}

.site-footer {
  background: #08141c;
  color: rgba(251, 248, 242, 0.72);
  padding: 40px 0 32px;
  font-size: 14px;
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.footer-brand {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  color: rgba(251, 248, 242, 0.42);
  font-size: 12px;
}

.modal {
  width: min(640px, calc(100% - 32px));
  border: 0;
  padding: 0;
  background: transparent;
}

.modal::backdrop {
  background: rgba(8, 20, 28, 0.72);
}

.modal-wide {
  width: min(760px, calc(100% - 32px));
}

.modal-panel {
  background: var(--paper);
  color: var(--ink);
  padding: 32px 28px 36px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
}

.modal-panel h2 {
  font-size: 26px;
  letter-spacing: -0.03em;
  margin: 8px 0 16px;
}

.privacy-copy h3 {
  margin: 22px 0 8px;
  font-size: 16px;
}

.privacy-copy p {
  color: var(--muted);
}

.in-iframe .hero {
  min-height: 640px;
}

.in-iframe .site-header {
  position: sticky;
}

@media (max-width: 980px) {
  .hero,
  .about .section-inner,
  .greeting-layout,
  .section-head,
  .contact-layout,
  .insight-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding: 48px 0 36px;
  }

  .hero-inner {
    margin-left: 20px;
    width: calc(100% - 40px);
  }

  .hero-aside {
    padding: 0 20px 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-2);
    padding: 12px 16px 20px;
    border-bottom: 1px solid rgba(231, 225, 212, 0.12);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a,
  .nav-cta {
    margin: 0;
    padding: 12px 8px !important;
    border: 0;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .competency-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .insight-card .more {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .pulse-line {
    animation: none;
  }
}

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}