:root {
  --ink: #0b0c0f;
  --ink-soft: #30333a;
  --muted: #6f747c;
  --line: #dedfd8;
  --paper: #fbfbf5;
  --white: #ffffff;
  --lime: #b8f233;
  --lime-deep: #7db20e;
  --steel: #22324a;
  --warm: #f06f42;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(11, 12, 15, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(11, 12, 15, 0.1);
  background: rgba(251, 251, 245, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(var(--max), calc(100% - 40px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--lime);
  color: var(--ink);
  font-size: 16px;
  line-height: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 800;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--ink);
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 12px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.nav-links .nav-cta {
  color: var(--white);
}

.nav-links .nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

main {
  padding-top: 76px;
}

.section {
  padding: 112px 0;
}

.section-tight {
  padding: 78px 0;
}

.band-dark {
  background: var(--ink);
  color: var(--white);
}

.band-white {
  background: var(--white);
}

.band-steel {
  background: var(--steel);
  color: var(--white);
}

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

.grid {
  display: grid;
  gap: 24px;
}

.two-col {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-col {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-center {
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--lime-deep);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.band-dark .eyebrow,
.band-steel .eyebrow {
  color: var(--lime);
}

.display {
  margin: 0;
  max-width: 1030px;
  font-size: clamp(46px, 8vw, 112px);
  line-height: 0.98;
  font-weight: 950;
  letter-spacing: 0;
}

.headline {
  margin: 0;
  max-width: 920px;
  font-size: clamp(34px, 5.2vw, 72px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: 0;
}

.title {
  margin: 0;
  font-size: clamp(28px, 3.5vw, 52px);
  line-height: 1.14;
  font-weight: 950;
  letter-spacing: 0;
}

.lead {
  margin: 24px 0 0;
  max-width: 720px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
  font-weight: 650;
}

.band-dark .lead,
.band-steel .lead,
.band-dark .muted,
.band-steel .muted {
  color: rgba(255, 255, 255, 0.74);
}

.muted {
  color: var(--muted);
}

.hero {
  min-height: calc(100svh - 76px);
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 56px;
  align-items: center;
  padding: 76px 0 42px;
}

.hero-copy {
  min-width: 0;
}

.hero-media {
  min-width: 0;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.hero-media img {
  width: 100%;
  min-height: 470px;
  object-fit: cover;
  border: 1px solid var(--ink);
  box-shadow: var(--shadow);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-weight: 900;
  text-align: center;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.band-dark .button,
.band-steel .button {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.band-dark .button.secondary,
.band-steel .button.secondary {
  border-color: rgba(255, 255, 255, 0.4);
  background: transparent;
  color: var(--white);
}

.scroll-note {
  margin-top: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.scroll-line {
  width: 54px;
  height: 1px;
  background: var(--ink);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  min-height: 188px;
  padding: 32px;
  background: var(--white);
}

.metric strong {
  display: block;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1;
  font-weight: 950;
}

.metric span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-weight: 800;
}

.card {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-body {
  padding: 28px;
}

.card h3 {
  margin: 0;
  font-size: 23px;
  line-height: 1.25;
  font-weight: 950;
}

.card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.number-card {
  position: relative;
  min-height: 320px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}

.number-card .num {
  color: var(--lime);
  font-size: 15px;
  font-weight: 950;
}

.number-card h3 {
  margin: 42px 0 18px;
  font-size: clamp(25px, 2.6vw, 38px);
  line-height: 1.18;
}

.number-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.service-block {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 46px;
  padding: 58px 0;
  border-top: 1px solid var(--line);
}

.service-block:last-child {
  border-bottom: 1px solid var(--line);
}

.service-block h2 {
  margin: 0;
  font-size: clamp(32px, 4.6vw, 64px);
  line-height: 1.06;
  letter-spacing: 0;
}

.service-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(11, 12, 15, 0.12);
  color: var(--ink-soft);
  font-weight: 720;
}

.service-list li::before {
  content: "";
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  margin-top: 10px;
  background: var(--lime);
  border: 1px solid var(--ink);
}

.project-card {
  display: flex;
  min-height: 272px;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
}

.project-card .tag,
.pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--ink);
  background: var(--lime);
  color: var(--ink);
  font-size: 12px;
  font-weight: 950;
}

.project-card h3 {
  margin: 28px 0 12px;
  font-size: 22px;
  line-height: 1.3;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.answer-panel {
  padding: 34px;
  border: 1px solid var(--ink);
  background: var(--white);
  border-radius: var(--radius);
}

.answer-panel strong {
  display: block;
  margin-bottom: 14px;
  color: var(--lime-deep);
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.answer-panel p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 21px;
  line-height: 1.55;
  font-weight: 780;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
}

.faq-item h3 {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.35;
}

.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
}

.seo-summary {
  display: grid;
  gap: 14px;
  margin-top: 34px;
  padding: 0;
  list-style: none;
}

.seo-summary li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 780;
}

.timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-year {
  font-size: 30px;
  line-height: 1;
  font-weight: 950;
}

.timeline-item h3 {
  margin: 0;
  font-size: 22px;
}

.timeline-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.profile {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 26px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
}

.avatar {
  width: 92px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-size: 22px;
  font-weight: 950;
}

.profile h3 {
  margin: 0;
  font-size: 22px;
}

.profile p {
  margin: 10px 0 0;
  color: var(--muted);
}

.quote-panel {
  padding: 54px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}

.quote-panel p {
  margin: 0;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.16;
  font-weight: 950;
}

.quote-panel span {
  display: block;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.68);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 30px;
  align-items: stretch;
}

.contact-box {
  padding: 36px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
}

.contact-list {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  display: grid;
  gap: 5px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.contact-list span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.contact-list strong,
.contact-list a {
  font-size: 20px;
  line-height: 1.35;
  font-weight: 900;
}

.map-placeholder {
  min-height: 430px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(11, 12, 15, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(11, 12, 15, 0.06) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
  border-radius: var(--radius);
}

.map-pin {
  max-width: 290px;
  padding: 24px;
  border: 1px solid var(--ink);
  background: var(--lime);
  color: var(--ink);
  font-weight: 950;
  text-align: center;
}

.footer {
  padding: 52px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--ink);
  color: var(--white);
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
}

.footer p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 800;
}

.page-hero {
  padding: 128px 0 88px;
  border-bottom: 1px solid var(--line);
}

.page-hero .lead {
  max-width: 780px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 44px;
  align-items: end;
  margin-bottom: 52px;
}

.section-heading .lead {
  margin-top: 0;
  font-size: 19px;
}

.media-strip {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.media-strip img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.mini-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-weight: 780;
}

.cta-band {
  padding: 86px 0;
  background: var(--lime);
  color: var(--ink);
}

.cta-band .container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(32px, 4.6vw, 64px);
  line-height: 1.07;
  letter-spacing: 0;
}

.cta-band p {
  margin: 18px 0 0;
  max-width: 680px;
  color: rgba(11, 12, 15, 0.72);
  font-weight: 760;
}

@media (max-width: 980px) {
  .nav {
    width: min(100% - 28px, var(--max));
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  body.nav-open .nav-links {
    display: flex;
  }

  .nav-links a,
  .nav-cta {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 10px;
    padding: 14px 18px;
  }

  .hero-inner,
  .two-col,
  .service-block,
  .contact-panel,
  .section-heading,
  .cta-band .container,
  .media-strip {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    gap: 34px;
    padding-top: 52px;
  }

  .hero-media img {
    min-height: 340px;
  }

  .metric-row,
  .four-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .three-col {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 84px 0;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .container,
  .hero-inner,
  .footer-inner,
  .nav {
    width: calc(100% - 28px);
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-text small {
    display: none;
  }

  .display {
    font-size: clamp(42px, 17vw, 68px);
  }

  .headline {
    font-size: clamp(32px, 12vw, 50px);
  }

  .lead {
    font-size: 18px;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    min-height: 260px;
  }

  .metric-row,
  .four-col {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: auto;
    padding: 26px;
  }

  .card-body,
  .project-card,
  .profile,
  .contact-box,
  .quote-panel {
    padding: 24px;
  }

  .profile {
    grid-template-columns: 1fr;
  }

  .avatar {
    width: 72px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}