:root {
  --obsidian: #121214;
  --jet: #2a2a2e;
  --ink-mist: #5a5a5e;
  --paper-gray: #b4b0a6;
  --celadon: #5fa296;
  --celadon-deep: #3d7167;
  --persimmon: #e8893a;
  --rice: #fcfaf4;
  --line: rgba(18, 18, 20, 0.14);
  --shadow: rgba(18, 18, 20, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--obsidian);
  background: var(--rice);
  font-family:
    Pretendard,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    Inter,
    system-ui,
    sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 18px 40px;
  background: rgba(252, 250, 244, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  min-width: 128px;
}

.brand-ko {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.05;
}

.brand-en {
  color: var(--ink-mist);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--jet);
  font-size: 15px;
  font-weight: 650;
}

.nav-action {
  padding: 9px 14px;
  color: var(--rice);
  background: var(--obsidian);
  border: 1px solid var(--obsidian);
  border-radius: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(460px, 1.05fr);
  gap: 44px;
  align-items: center;
  min-height: calc(100vh - 132px);
  padding: 52px 40px 34px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--celadon-deep);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 76px;
  font-weight: 950;
  line-height: 0.98;
}

.hero-line {
  max-width: 680px;
  margin: 22px 0 0;
  font-size: 44px;
  font-weight: 850;
  line-height: 1.12;
}

.hero-body {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--jet);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--obsidian);
  border-radius: 4px;
  font-size: 15px;
  font-weight: 800;
}

.button.primary {
  color: var(--rice);
  background: var(--obsidian);
}

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

.ops-panel {
  margin: 0;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 70px var(--shadow);
}

.ops-panel figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-mist);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.ops-panel figcaption strong {
  color: var(--celadon-deep);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
  margin-top: 22px;
}

.metric {
  min-height: 142px;
  padding: 18px;
  background: var(--rice);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.metric-wide {
  grid-row: span 2;
  min-height: 298px;
  color: #ffffff;
  background: var(--obsidian);
}

.metric-label {
  display: block;
  color: var(--paper-gray);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.metric strong {
  display: block;
  margin-top: 28px;
  font-size: 38px;
  font-weight: 850;
  line-height: 1.05;
  overflow-wrap: normal;
}

.metric-wide strong {
  margin-top: 86px;
  font-size: 44px;
}

.metric em {
  display: block;
  margin-top: 10px;
  color: var(--celadon);
  font-style: normal;
  font-weight: 800;
}

.workflow {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.workflow-item {
  display: grid;
  grid-template-columns: 62px 1fr 54px;
  gap: 16px;
  align-items: center;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.time {
  color: var(--ink-mist);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-weight: 800;
}

.task {
  font-weight: 700;
}

.status {
  justify-self: end;
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 850;
}

.status.done {
  color: var(--celadon-deep);
  background: rgba(95, 162, 150, 0.16);
}

.status.review {
  color: #7d3d00;
  background: rgba(232, 137, 58, 0.2);
}

.signal-band {
  display: grid;
  grid-template-columns: 0.65fr 1fr 1.5fr;
  gap: 24px;
  align-items: center;
  padding: 24px 40px;
  color: var(--rice);
  background: var(--obsidian);
}

.signal-band p,
.signal-band strong,
.signal-band span {
  margin: 0;
}

.signal-band p {
  color: var(--paper-gray);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.signal-band strong {
  font-size: 24px;
  font-weight: 900;
}

.signal-band span {
  color: #ece7db;
}

.feature-section,
.case-section,
.pricing-section {
  padding: 92px 40px;
}

.feature-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  gap: 58px;
  border-bottom: 1px solid var(--line);
}

.feature-section h2,
.case-section h2,
.pricing-section h2 {
  max-width: 820px;
  margin: 0;
  font-size: 38px;
  line-height: 1.18;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.feature-list article {
  display: grid;
  grid-template-columns: 52px minmax(92px, 0.35fr) 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.feature-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-list span {
  color: var(--persimmon);
  font-family: "Arial Narrow", Arial, sans-serif;
  font-weight: 900;
}

.feature-list h3 {
  margin: 0;
  font-size: 24px;
}

.feature-list p {
  margin: 0;
  color: var(--jet);
}

.case-section {
  background: #ffffff;
}

.case-section dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 44px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.case-section div {
  padding: 30px;
  background: #ffffff;
}

.case-section dt {
  font-size: 42px;
  font-weight: 900;
}

.case-section dd {
  margin: 8px 0 0;
  color: var(--ink-mist);
}

.pricing-section {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  background: var(--celadon);
}

.pricing-section .eyebrow {
  color: var(--obsidian);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 40px;
  color: var(--paper-gray);
  background: var(--obsidian);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    padding: 16px 22px;
    gap: 16px;
  }

  .nav-links {
    gap: 14px;
    font-size: 14px;
  }

  .nav-links a:not(.nav-action) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 52px 22px 32px;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  h1 {
    font-size: 58px;
  }

  .hero-line {
    font-size: 34px;
  }

  .signal-band,
  .feature-section,
  .pricing-section {
    grid-template-columns: 1fr;
  }

  .feature-section,
  .case-section,
  .pricing-section {
    padding: 68px 22px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
  }

  .nav-links {
    flex: 0 0 auto;
  }

  .nav-action {
    display: none;
  }

  .brand-ko {
    font-size: 19px;
  }

  .hero {
    padding-top: 40px;
    overflow: hidden;
  }

  .hero-copy,
  .ops-panel {
    width: 100%;
    max-width: calc(100vw - 44px);
  }

  h1 {
    font-size: 44px;
  }

  .hero-line,
  .feature-section h2,
  .case-section h2,
  .pricing-section h2 {
    font-size: 28px;
    line-height: 1.22;
  }

  .hero-line,
  .hero-body {
    max-width: 100%;
  }

  .hero-body {
    word-break: break-all;
  }

  .hero-body {
    font-size: 16px;
  }

  .ops-panel {
    padding: 18px;
    max-width: 100%;
    overflow: hidden;
  }

  .ops-panel figcaption,
  .metric-grid,
  .workflow-item,
  .feature-list article,
  .case-section dl,
  .pricing-section,
  .site-footer {
    display: block;
  }

  .ops-panel figcaption strong,
  .workflow-item .task,
  .workflow-item .status {
    display: block;
    margin-top: 6px;
  }

  .metric {
    min-height: 124px;
    margin-top: 12px;
  }

  .metric-wide {
    min-height: 190px;
  }

  .metric strong,
  .metric-wide strong {
    margin-top: 26px;
    font-size: 30px;
  }

  .workflow-item {
    padding: 14px 0;
  }

  .status {
    width: max-content;
  }

  .signal-band {
    padding: 22px;
  }

  .signal-band strong,
  .signal-band span {
    display: block;
    margin-top: 8px;
  }

  .feature-list h3,
  .feature-list p {
    margin-top: 6px;
  }

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

  .pricing-section .button {
    margin-top: 24px;
  }

  .site-footer span:last-child {
    display: block;
    margin-top: 8px;
  }
}