:root {
  color-scheme: light;
  --ink: #111418;
  --muted: #657182;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --line: #dfe6ef;
  --night: #0d1118;
  --night-2: #171d27;
  --blue: #2f62f2;
  --max: 1180px;
  --radius: 8px;
  --shadow: 0 26px 70px rgba(15, 23, 42, 0.16);
  font-family:
    "Noto Sans KR", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic",
    system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
  font-size: 15px;
  line-break: keep-all;
  word-break: keep-all;
  overflow-wrap: break-word;
}

body.nav-open {
  overflow: hidden;
}

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

a,
button,
span,
strong,
small,
summary,
li,
h1,
h2,
h3,
p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

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

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-bleed {
  position: relative;
  overflow: hidden;
}

.site-header {
  position: fixed;
  z-index: 40;
  top: 14px;
  left: 50%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(var(--max), calc(100% - 32px));
  min-height: 64px;
  padding: 0 14px 0 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(223, 230, 239, 0.9);
  border-radius: var(--radius);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
  transition:
    background 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  white-space: nowrap;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.site-nav {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #46515f;
  font-size: 13px;
  font-weight: 800;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: var(--radius);
  transition:
    color 160ms ease,
    background 160ms ease;
}

.site-nav a:hover {
  color: var(--blue);
  background: #eef4ff;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  transition:
    transform 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.header-cta {
  color: #fff;
  background: var(--ink);
  font-size: 13px;
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  padding: 148px 0 96px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(13, 17, 24, 0.94), rgba(13, 17, 24, 0.98)),
    var(--night);
}

.hero-media {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-lines {
  position: absolute;
  top: 36px;
  right: max(-240px, -14vw);
  width: 880px;
  opacity: 0.3;
  filter: invert(1);
}

.hero-node {
  position: absolute;
  left: max(-230px, -10vw);
  bottom: -300px;
  width: 640px;
  opacity: 0.13;
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(390px, 0.82fr);
  gap: 72px;
  align-items: center;
}

.eyebrow,
.panel-label {
  margin: 0 0 14px;
  color: #78a5ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: #fff;
  font-size: 52px;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 16px;
  font-size: 32px;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
  line-height: 1.34;
  letter-spacing: 0;
}

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

.hero-lead {
  max-width: 680px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 16px;
}

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

.btn.primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 16px 42px rgba(47, 98, 242, 0.32);
}

.btn.primary:hover {
  background: #214fd2;
}

.btn.secondary {
  color: var(--ink);
  background: #fff;
}

.hero-panel,
.scope-panel,
.metric-strip,
.process-list,
.contact-panel {
  border-radius: var(--radius);
}

.hero-panel {
  padding: 30px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  color: #fff;
  font-size: 24px;
}

.hero-panel p {
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.72);
}

.panel-rows {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.panel-rows div,
.process-list div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.panel-rows div:last-child,
.process-list div:last-child {
  border-bottom: 0;
}

.panel-rows strong {
  color: #fff;
}

.panel-rows span {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.65;
}

.pilot-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.9fr);
  gap: 64px;
  align-items: start;
  padding: 38px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section-copy h2,
.section-head h2 {
  color: var(--ink);
}

.scope-section,
.pilot-section {
  background: var(--soft);
}

.scope-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.9fr);
  gap: 64px;
  padding: 38px;
  background: #fff;
  border: 1px solid var(--line);
}

.scope-panel p {
  margin-bottom: 0;
  font-size: 15px;
}

.scope-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.scope-list li {
  padding: 18px 0;
  color: #222a36;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 900;
}

.case-section {
  background: #fff;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.case-head {
  max-width: var(--max);
}

.section-head.case-head h2 {
  white-space: nowrap;
}

.section-head.split-head {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 72px;
  align-items: end;
  max-width: var(--max);
}

.section-head.split-head > p {
  margin: 0 0 8px;
  font-size: 16px;
}

.case-list {
  display: grid;
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.case-list div {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 150px;
  gap: 28px;
  align-items: center;
  min-height: 112px;
  padding: 24px 26px;
  border-top: 1px solid var(--line);
}

.case-list div:first-child {
  border-top: 0;
}

.case-list strong {
  color: var(--ink);
  font-size: 16px;
}

.case-list p {
  margin: 0;
  font-size: 14px;
}

.case-list span {
  justify-self: end;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.results-section {
  background: #f7f4ed;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
}

.metric-strip div {
  min-height: 154px;
  padding: 26px;
}

.metric-strip div:not(:last-child) {
  border-right: 1px solid var(--line);
}

.metric-strip span {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.metric-strip strong {
  color: var(--ink);
  font-size: 30px;
  line-height: 1.05;
}

.process-list {
  padding: 0;
  border-top: 1px solid var(--line);
}

.process-list div {
  border-bottom-color: var(--line);
}

.process-list strong {
  color: var(--ink);
  font-size: 16px;
}

.process-list span {
  color: var(--muted);
  line-height: 1.7;
}

.contact-section {
  padding: 92px 0;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(13, 17, 24, 0.94), rgba(13, 17, 24, 0.98)),
    url("assets/orbit-lines.png") right center / 760px auto no-repeat,
    var(--night);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  padding: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.contact-panel h2 {
  max-width: 760px;
  color: #fff;
}

.contact-panel p {
  max-width: 680px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.contact-panel .eyebrow {
  color: var(--blue);
  font-size: 12px;
}

.site-footer {
  padding: 38px 0 24px;
  color: #fff;
  background: #080b10;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 28px;
}

.footer-brand img {
  width: 30px;
  height: 30px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  font-weight: 800;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer small,
.footer-bottom span {
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  font-weight: 800;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-layout,
  .section-head.split-head,
  .scope-panel,
  .pilot-layout,
  .case-list div,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 780px;
  }

  .case-list span {
    justify-self: start;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
    min-height: 62px;
    top: 10px;
  }

  .nav-toggle {
    display: inline-block;
    order: 3;
    justify-self: end;
  }

  .site-nav {
    position: fixed;
    inset: 76px 0 auto 0;
    display: none;
    justify-self: stretch;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 22px 60px rgba(16, 19, 22, 0.14);
  }

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

  .site-nav a {
    min-height: 48px;
  }

  .header-cta {
    justify-self: end;
    min-height: 40px;
    padding: 0 14px;
  }

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

  .metric-strip div:nth-child(2) {
    border-right: 0;
  }

  .metric-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .footer-main,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 32px, var(--max));
  }

  .section {
    padding: 74px 0;
  }

  .site-header {
    width: calc(100% - 20px);
    padding-left: 12px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .brand span {
    font-size: 15px;
  }

  .hero {
    padding: 112px 0 76px;
  }

  h1 {
    font-size: 31px;
  }

  h2 {
    font-size: 24px;
  }

  h3 {
    font-size: 18px;
  }

  .hero-lead,
  .scope-panel p,
  .contact-panel p {
    font-size: 14px;
  }

  .section-head.case-head h2 {
    white-space: normal;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .hero-panel,
  .scope-panel,
  .pilot-layout,
  .contact-panel {
    padding: 24px;
  }

  .panel-rows div,
  .process-list div,
  .case-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .metric-strip div {
    min-height: 132px;
    padding: 22px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-strip div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 430px) {
  .header-cta {
    display: none;
  }

  .site-header {
    grid-template-columns: auto 1fr;
  }

  .nav-toggle {
    grid-column: 2;
  }
}