:root {
  --bg: #0f1117;
  --panel: #171b24;
  --panel-strong: #202633;
  --text: #f7f4ec;
  --muted: #a8adba;
  --line: rgba(247, 244, 236, 0.12);
  --blue: #55b7ff;
  --mint: #56d6ad;
  --rose: #ff7d9b;
  --gold: #f3c766;
  --brand-red: #d20d19;
  --brand-red-dark: #8e0b12;
  --ink: #0f1117;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 64px 64px,
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 64px 64px,
    var(--bg);
  color: var(--text);
  font-family:
    Pretendard,
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(15, 17, 23, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 76px;
  height: 52px;
  padding: 0;
  background: transparent;
  border: 0;
}

.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section {
  padding: 112px clamp(20px, 5vw, 72px);
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 1.06fr);
  align-items: center;
  gap: clamp(34px, 5vw, 74px);
  padding-top: 138px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brand-red);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(46px, 8vw, 104px);
  line-height: 0.96;
  font-weight: 900;
}

.hero-lead {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.75;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  font-weight: 900;
}

.button.primary {
  background: var(--brand-red);
  color: #ffffff;
  border-color: var(--brand-red);
}

.button.secondary {
  color: var(--text);
}

.hero-visual {
  min-height: 560px;
  display: grid;
  align-items: center;
}

.signal-board {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(85, 183, 255, 0.12) 1px, transparent 1px) 0 0 / 42px 42px,
    linear-gradient(rgba(86, 214, 173, 0.12) 1px, transparent 1px) 0 0 / 42px 42px,
    #121722;
  border: 1px solid var(--line);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.36);
}

.visual-logo-card {
  position: absolute;
  z-index: 4;
  top: 70px;
  left: 50%;
  display: grid;
  width: 172px;
  height: 110px;
  place-items: center;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  transform: translateX(-50%);
}

.visual-logo-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.board-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.board-top span {
  width: 9px;
  height: 9px;
  background: var(--brand-red);
}

.board-top span:nth-child(2) {
  background: var(--gold);
}

.board-top span:nth-child(3) {
  background: var(--mint);
}

.board-top strong {
  margin-left: auto;
}

.system-node {
  position: absolute;
  z-index: 2;
  min-width: 132px;
  padding: 15px 17px;
  background: rgba(15, 17, 23, 0.92);
  border: 1px solid var(--line);
}

.system-node small {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.system-node strong {
  font-size: 17px;
}

.node-core {
  top: 238px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 190px;
  background: linear-gradient(135deg, var(--brand-red), var(--brand-red-dark));
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.24);
}

.node-core small {
  color: rgba(255, 255, 255, 0.74);
}

.node-a {
  top: 105px;
  left: 8%;
  border-color: rgba(85, 183, 255, 0.42);
}

.node-b {
  top: 112px;
  right: 10%;
  border-color: rgba(243, 199, 102, 0.42);
}

.node-c {
  bottom: 118px;
  left: 12%;
  border-color: rgba(86, 214, 173, 0.42);
}

.node-d {
  bottom: 102px;
  right: 12%;
  border-color: rgba(255, 125, 155, 0.42);
}

.system-line {
  position: absolute;
  z-index: 1;
  height: 1px;
  background: var(--line);
  transform-origin: left;
}

.line-one {
  top: 240px;
  left: 24%;
  width: 50%;
}

.line-two {
  top: 298px;
  left: 29%;
  width: 44%;
  transform: rotate(23deg);
}

.line-three {
  top: 300px;
  left: 29%;
  width: 44%;
  transform: rotate(-23deg);
}

.metric-strip {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}

.metric-strip span {
  padding: 14px 8px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
  font-weight: 900;
}

.metric-strip span + span {
  border-left: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.wide-heading {
  max-width: 980px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.06;
}

.intro-band {
  background: var(--text);
  color: var(--ink);
}

.intro-band .eyebrow {
  color: var(--brand-red);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(15, 17, 23, 0.18);
}

.mission-grid article {
  min-height: 260px;
  padding: clamp(24px, 4vw, 44px);
  background: var(--text);
}

.mission-grid span,
.product-track span {
  display: inline-block;
  margin-bottom: 42px;
  color: #667085;
  font-weight: 900;
}

.mission-grid h3,
.values-list h3,
.culture-grid h3 {
  font-size: 24px;
}

.mission-grid p,
.values-list p,
.principles-copy p,
.culture-grid p,
.contact-section p {
  color: #6b7280;
  line-height: 1.75;
}

.values-section {
  border-bottom: 1px solid var(--line);
}

.values-list,
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.values-list article,
.culture-grid article {
  min-height: 220px;
  padding: 28px;
  background: var(--panel);
}

.values-list article:nth-child(1) {
  border-top: 4px solid var(--blue);
}

.values-list article:nth-child(2) {
  border-top: 4px solid var(--mint);
}

.values-list article:nth-child(3) {
  border-top: 4px solid var(--gold);
}

.values-list article:nth-child(4) {
  border-top: 4px solid var(--rose);
}

.values-list p,
.culture-grid p {
  color: var(--muted);
}

.principles-section {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
  background: #f4f0e8;
  color: var(--ink);
}

.principles-copy {
  position: sticky;
  top: 110px;
}

.principles-copy .eyebrow,
.products-section .eyebrow {
  color: var(--brand-red);
}

.principle-rows {
  border-top: 1px solid rgba(15, 17, 23, 0.18);
}

.principle-rows article {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(15, 17, 23, 0.18);
}

.principle-rows strong {
  font-size: 20px;
}

.principle-rows span {
  color: #596070;
  line-height: 1.8;
}

.business-section {
  background: #121722;
  border-bottom: 1px solid var(--line);
}

.business-head {
  max-width: 980px;
  margin-bottom: 46px;
}

.business-head p:last-child {
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.78;
}

.business-showcase {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
}

.featured-business {
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 4vw, 44px);
  background:
    linear-gradient(135deg, rgba(210, 13, 25, 0.22), rgba(18, 23, 34, 0.6)),
    var(--panel);
  border: 1px solid rgba(210, 13, 25, 0.34);
}

.featured-business small {
  color: var(--rose);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.featured-business h3 {
  max-width: 560px;
  margin: 28px 0 18px;
  font-size: clamp(30px, 4.3vw, 54px);
  line-height: 1.08;
}

.featured-business p {
  color: var(--muted);
  line-height: 1.85;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
  border: 1px solid var(--line);
}

.workflow span {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 12px 8px;
  background: rgba(15, 17, 23, 0.82);
  color: var(--text);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.business-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.business-cards article {
  min-height: 258px;
  padding: 28px;
  background: var(--panel);
}

.business-cards span {
  display: inline-block;
  margin-bottom: 38px;
  color: var(--brand-red);
  font-weight: 900;
}

.business-cards h3 {
  font-size: 24px;
}

.business-cards p {
  color: var(--muted);
  line-height: 1.75;
}

.solution-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.solution-proof article {
  min-height: 132px;
  padding: 24px;
  background: rgba(15, 17, 23, 0.72);
}

.solution-proof strong {
  display: block;
  margin-bottom: 14px;
  color: var(--brand-red);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.solution-proof span {
  color: #d9dce2;
  line-height: 1.7;
}

.projects-section {
  border-bottom: 1px solid var(--line);
}

.project-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.project-filter button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.project-filter button.active,
.project-filter button:hover {
  background: var(--brand-red);
  color: #ffffff;
  border-color: var(--brand-red);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.project-grid article {
  min-height: 112px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.project-grid article.is-hidden {
  display: none;
}

.project-grid article:hover {
  transform: translateY(-3px);
  background: var(--panel-strong);
}

.project-grid small {
  display: block;
  margin-bottom: 14px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.project-grid strong {
  font-size: 18px;
  line-height: 1.45;
}

.products-section {
  background: var(--text);
  color: var(--ink);
}

.product-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  gap: 1px;
  overflow-x: auto;
  background: rgba(15, 17, 23, 0.18);
  border: 1px solid rgba(15, 17, 23, 0.18);
}

.product-track article {
  min-height: 330px;
  padding: 28px;
  background: var(--text);
}

.product-track h3 {
  font-size: 30px;
}

.product-track p {
  color: #596070;
  line-height: 1.75;
}

.culture-section {
  border-bottom: 1px solid var(--line);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
  background: #121722;
}

.contact-section h2 {
  max-width: 680px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  padding: 15px 16px;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--mint);
}

.contact-form button {
  min-height: 52px;
  border: 0;
  background: var(--brand-red);
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer strong {
  color: var(--text);
}

@media (max-width: 980px) {
  .hero,
  .principles-section,
  .business-showcase,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 500px;
  }

  .mission-grid,
  .values-list,
  .culture-grid,
  .business-cards,
  .solution-proof,
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .principles-copy {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 14px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: rgba(15, 17, 23, 0.96);
    border: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 14px;
  }

  .section {
    padding: 86px 18px;
  }

  .hero {
    padding-top: 112px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  h2 {
    font-size: clamp(32px, 10vw, 48px);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 440px;
  }

  .signal-board {
    min-height: 430px;
  }

  .system-node {
    min-width: 112px;
    padding: 12px;
  }

  .system-node strong {
    font-size: 14px;
  }

  .node-core {
    top: 192px;
  }

  .node-a {
    top: 88px;
    left: 5%;
  }

  .node-b {
    top: 88px;
    right: 5%;
  }

  .node-c {
    bottom: 105px;
    left: 6%;
  }

  .node-d {
    bottom: 105px;
    right: 6%;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }

  .metric-strip span + span {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .mission-grid,
  .values-list,
  .culture-grid,
  .business-cards,
  .solution-proof,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .featured-business {
    min-height: auto;
  }

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

  .principle-rows article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer {
    flex-direction: column;
  }
}

/* Brand refresh based on the 20260731 company profile and logo drafts. */
:root {
  --paper: #f5f5f2;
  --charcoal: #37393d;
}

.site-header {
  background: rgba(249, 249, 247, 0.92);
  border-bottom: 1px solid rgba(15, 17, 23, 0.1);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--brand-red) 0 72%, var(--charcoal) 72% 100%);
}

.site-nav a {
  color: #5f6368;
}

.site-nav a:hover {
  color: var(--brand-red);
}

.nav-toggle {
  border-color: rgba(15, 17, 23, 0.16);
  color: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  border-bottom: 1px solid rgba(15, 17, 23, 0.12);
}

.hero::after {
  content: "";
  position: absolute;
  right: -11vw;
  bottom: -8vw;
  width: 36vw;
  height: 24vw;
  min-width: 260px;
  min-height: 180px;
  background: var(--brand-red);
  clip-path: polygon(28% 0, 100% 0, 72% 100%, 0 100%);
  opacity: 0.08;
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-lead {
  color: #596070;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.hero-tags span {
  padding: 9px 12px;
  background: #ffffff;
  border-left: 4px solid var(--brand-red);
  color: var(--charcoal);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 10px 30px rgba(15, 17, 23, 0.06);
}

.button.secondary {
  color: var(--ink);
  border-color: rgba(15, 17, 23, 0.18);
}

.brand-board {
  background:
    linear-gradient(90deg, rgba(15, 17, 23, 0.035) 1px, transparent 1px) 0 0 / 52px 52px,
    linear-gradient(rgba(15, 17, 23, 0.035) 1px, transparent 1px) 0 0 / 52px 52px,
    #ffffff;
  border-color: rgba(15, 17, 23, 0.12);
}

.brand-slice {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.slice-top {
  top: 46px;
  left: 0;
  width: 54%;
  height: 128px;
  background: var(--brand-red);
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
}

.slice-bottom {
  right: 0;
  bottom: 0;
  width: 48%;
  height: 116px;
  background: var(--charcoal);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
}

.visual-logo-card {
  top: 138px;
  width: 88px;
  height: 122px;
  opacity: 0.92;
  z-index: 2;
  pointer-events: none;
}

.visual-logo-card img {
  object-position: center top;
}

.board-top {
  z-index: 6;
  background: #ffffff;
  border-bottom: 1px solid rgba(15, 17, 23, 0.12);
  color: #8b8f98;
}

.system-node {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid rgba(15, 17, 23, 0.14);
  box-shadow: 0 16px 38px rgba(15, 17, 23, 0.12);
}

.system-node small {
  color: #8b8f98;
}

.node-core {
  top: 282px;
  z-index: 5;
  background: linear-gradient(135deg, var(--brand-red), var(--brand-red-dark));
  color: #ffffff;
}

.node-a {
  z-index: 5;
}

.node-b {
  z-index: 5;
}

.node-c {
  z-index: 5;
}

.node-d {
  bottom: 124px;
  z-index: 5;
}

.line-one {
  top: 284px;
}

.line-two {
  top: 342px;
}

.line-three {
  top: 344px;
}

.node-core small {
  color: rgba(255, 255, 255, 0.74);
}

.metric-strip {
  z-index: 6;
  border-color: rgba(15, 17, 23, 0.1);
}

.metric-strip span {
  background: #ffffff;
  color: #596070;
}

.metric-strip span + span {
  border-left-color: rgba(15, 17, 23, 0.1);
}

.intro-band,
.products-section {
  background: #ffffff;
}

.mission-grid article,
.product-track article {
  background: #ffffff;
}

.company-section {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  background: var(--charcoal);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.company-section::after {
  content: "";
  position: absolute;
  top: 0;
  right: -8vw;
  width: 34vw;
  height: 100%;
  background: var(--brand-red);
  clip-path: polygon(34% 0, 100% 0, 66% 100%, 0 100%);
}

.company-statement,
.company-metrics {
  position: relative;
  z-index: 1;
}

.company-statement p:last-child {
  max-width: 760px;
  color: #d9dce2;
  font-size: 18px;
  line-height: 1.8;
}

.company-metrics {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.24);
}

.company-metrics article {
  min-height: 132px;
  padding: 26px;
  background: rgba(15, 17, 23, 0.4);
}

.company-metrics strong {
  display: block;
  margin-bottom: 10px;
  color: #ffffff;
  font-size: 42px;
}

.company-metrics span {
  color: #d9dce2;
  font-weight: 800;
}

.capabilities-section {
  background: #ffffff;
  color: var(--ink);
  border-bottom: 1px solid rgba(15, 17, 23, 0.12);
}

.capability-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(15, 17, 23, 0.14);
  border: 1px solid rgba(15, 17, 23, 0.14);
}

.capability-map article {
  min-height: 310px;
  padding: 28px;
  background: #ffffff;
  position: relative;
  overflow: hidden;
}

.capability-map article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 9px;
  background: linear-gradient(90deg, var(--brand-red) 0 62%, var(--charcoal) 62% 100%);
}

.capability-map h3 {
  margin-top: 34px;
  font-size: 30px;
}

.capability-map p {
  color: #596070;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .company-section {
    grid-template-columns: 1fr;
  }

  .capability-map {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-nav {
    background: rgba(249, 249, 247, 0.98);
    border-color: rgba(15, 17, 23, 0.12);
  }

  .capability-map {
    grid-template-columns: 1fr;
  }

  .company-section::after {
    opacity: 0.18;
  }

  .visual-logo-card {
    top: 126px;
    width: 70px;
    height: 96px;
  }

  .node-core {
    top: 230px;
  }

  .node-d {
    bottom: 118px;
  }

  .slice-bottom {
    height: 92px;
  }
}

/* 100% viewport typography polish for Korean section titles. */
h1,
h2,
h3,
.button,
.site-nav a {
  word-break: keep-all;
  overflow-wrap: normal;
}

h1 {
  max-width: 760px;
  font-size: clamp(44px, 5.8vw, 76px);
  line-height: 1.08;
}

h2 {
  max-width: 1080px;
  font-size: clamp(32px, 3.7vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading {
  max-width: 1080px;
}

.wide-heading {
  max-width: 1080px;
}

.company-statement h2,
.principles-copy h2,
.business-head h2,
.contact-section h2 {
  max-width: 760px;
}

.mission-grid h3,
.values-list h3,
.culture-grid h3,
.business-cards h3 {
  font-size: clamp(21px, 1.8vw, 26px);
  line-height: 1.3;
}

.capability-map h3,
.product-track h3 {
  font-size: clamp(24px, 2.2vw, 30px);
  line-height: 1.22;
}

.featured-business h3 {
  max-width: 600px;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.2;
}

@media (max-width: 980px) {
  h1 {
    max-width: 680px;
    font-size: clamp(42px, 8vw, 64px);
  }

  h2 {
    max-width: 760px;
    font-size: clamp(32px, 6vw, 46px);
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: clamp(36px, 11vw, 52px);
    line-height: 1.12;
  }

  h2 {
    font-size: clamp(28px, 8vw, 38px);
    line-height: 1.2;
  }

  .mission-grid h3,
  .values-list h3,
  .culture-grid h3,
  .business-cards h3 {
    font-size: 22px;
  }
}