:root {
  --bronze: #b67e4e;
  --bronze-muted: #c99763;
  --bronze-burnished: #9c6a43;
  --bronze-deep: #6c472f;
  --bronze-edge: #5a3b28;
  --black: #111110;
  --surface: #1a1917;
  --deep-black: #080808;
  --warm-white: #f5f2ed;
  --light-silver: #e6e3de;
  --muted-text: #bdb8b0;
  --border: rgba(201, 151, 99, 0.28);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--warm-white);
  background: var(--black);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 15% 10%, rgba(182, 126, 78, 0.12), transparent 34%),
    radial-gradient(circle at 90% 36%, rgba(108, 71, 47, 0.16), transparent 28%),
    linear-gradient(160deg, #111110 0%, #080808 72%);
  color: var(--warm-white);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  pointer-events: none;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--warm-white);
  color: var(--black);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  min-height: 92px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(230, 227, 222, 0.12);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand-name {
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 22px;
  letter-spacing: 0.9px;
}

.brand-tagline {
  color: var(--bronze-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2.4px;
}

.site-nav {
  display: flex;
  gap: 24px;
  color: var(--light-silver);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.2px;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--bronze-muted);
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, 0.65fr);
  align-items: stretch;
  gap: 34px;
  min-height: 660px;
  padding: 72px 0 76px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--bronze-muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2.8px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Arial Black", Impact, Pretendard, sans-serif;
  font-size: clamp(58px, 8.2vw, 116px);
  line-height: 0.92;
  letter-spacing: -5px;
  text-wrap: balance;
  word-break: keep-all;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.hero-description {
  max-width: 650px;
  margin: 34px 0 0;
  color: var(--light-silver);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.8;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.2px;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--bronze);
  color: var(--deep-black);
  box-shadow: 0 14px 34px rgba(182, 126, 78, 0.2);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--bronze-muted);
}

.button-secondary {
  border-color: rgba(230, 227, 222, 0.24);
  background: rgba(245, 242, 237, 0.04);
  color: var(--warm-white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--bronze-burnished);
  background: rgba(182, 126, 78, 0.08);
}

.hero-panel {
  align-self: center;
  min-height: 460px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(245, 242, 237, 0.075), rgba(245, 242, 237, 0.018)),
    var(--surface);
  box-shadow: var(--shadow);
}

.status-badge,
.card-status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border: 1px solid rgba(201, 151, 99, 0.42);
  border-radius: 999px;
  color: var(--bronze-muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.3px;
}

.panel-index {
  margin: 76px 0 14px;
  color: var(--bronze-muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1.8px;
}

.hero-panel h2 {
  margin: 0;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(37px, 4vw, 54px);
  line-height: 0.98;
  letter-spacing: -2.2px;
}

.hero-panel > p:not(.panel-index) {
  margin: 24px 0 0;
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.75;
  word-break: keep-all;
}

.panel-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 52px;
  padding-top: 18px;
  border-top: 1px solid rgba(230, 227, 222, 0.12);
  color: var(--bronze-muted);
  font-size: 13px;
  font-weight: 900;
}

.system-section {
  padding: 88px 0 104px;
  border-top: 1px solid rgba(230, 227, 222, 0.12);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 0.28fr);
  align-items: end;
  gap: 50px;
  margin-bottom: 42px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -20px;
}

.section-heading h2 {
  max-width: 800px;
  margin: 0;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: -2.8px;
  word-break: keep-all;
}

.section-heading > p:last-child {
  margin: 0 0 6px;
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.75;
  word-break: keep-all;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.system-card {
  position: relative;
  min-height: 310px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(230, 227, 222, 0.12);
  border-radius: 28px;
  background: rgba(245, 242, 237, 0.035);
}

.system-card::after {
  position: absolute;
  right: -50px;
  bottom: -80px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(201, 151, 99, 0.12);
  border-radius: 50%;
  content: "";
}

.system-card-active {
  border-color: rgba(182, 126, 78, 0.52);
  background:
    radial-gradient(circle at 86% 90%, rgba(182, 126, 78, 0.13), transparent 32%),
    rgba(182, 126, 78, 0.055);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--bronze-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.4px;
}

.card-status {
  min-height: 23px;
  border-color: rgba(230, 227, 222, 0.15);
  color: var(--muted-text);
  letter-spacing: 1px;
}

.card-status.active {
  border-color: rgba(201, 151, 99, 0.44);
  color: var(--bronze-muted);
}

.system-card h3 {
  margin: 58px 0 0;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(31px, 4vw, 48px);
  line-height: 0.94;
  letter-spacing: -1.8px;
}

.system-card h3 small {
  color: var(--bronze-muted);
  font-size: 0.62em;
  letter-spacing: -0.4px;
}

.system-card p {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 22px 0 0;
  color: var(--muted-text);
  font-size: 14px;
  line-height: 1.7;
  word-break: keep-all;
}

.system-card > a {
  position: relative;
  z-index: 2;
  display: inline-flex;
  gap: 10px;
  margin-top: 22px;
  color: var(--bronze-muted);
  font-size: 13px;
  font-weight: 900;
}

.contact-section {
  margin-bottom: 80px;
  padding: 70px;
  border: 1px solid var(--border);
  border-radius: 34px;
  background: var(--warm-white);
  color: var(--black);
}

.contact-section .eyebrow {
  color: var(--bronze-deep);
}

.contact-section h2 {
  max-width: 800px;
  margin: 0;
  font-family: "Arial Black", Impact, sans-serif;
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -2.6px;
  word-break: keep-all;
}

.contact-section > p:last-child {
  max-width: 730px;
  margin: 24px 0 0;
  color: #5c5750;
  font-size: 15px;
  line-height: 1.75;
  word-break: keep-all;
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  width: min(1180px, calc(100% - 40px));
  min-height: 150px;
  margin: 0 auto;
  padding: 38px 0;
  border-top: 1px solid rgba(230, 227, 222, 0.12);
  color: var(--muted-text);
}

.site-footer div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer strong {
  color: var(--warm-white);
  font-family: "Arial Black", Impact, sans-serif;
  font-size: 19px;
  letter-spacing: 0.7px;
}

.site-footer span {
  color: var(--bronze-muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 2px;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
}

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

  .hero-copy {
    min-height: 520px;
  }

  .hero-panel {
    min-height: 400px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-heading .eyebrow {
    margin-bottom: 0;
  }

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

@media (max-width: 640px) {
  .site-header {
    width: min(100% - 28px, 1180px);
    min-height: 78px;
  }

  .brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tagline {
    font-size: 8px;
  }

  .site-nav a:first-child {
    display: none;
  }

  .site-nav {
    font-size: 10px;
  }

  main {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    gap: 20px;
    padding: 34px 0 54px;
  }

  .hero-copy {
    min-height: 470px;
  }

  .hero h1 {
    font-size: clamp(48px, 15.2vw, 68px);
    line-height: 0.94;
    letter-spacing: -3.4px;
  }

  .hero-description {
    margin-top: 26px;
    font-size: 16px;
    line-height: 1.7;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-panel {
    min-height: 390px;
    padding: 26px;
    border-radius: 26px;
  }

  .panel-index {
    margin-top: 58px;
  }

  .system-section {
    padding: 72px 0 80px;
  }

  .system-card {
    min-height: 290px;
    padding: 24px;
    border-radius: 24px;
  }

  .system-card h3 {
    margin-top: 48px;
  }

  .contact-section {
    margin-bottom: 52px;
    padding: 42px 24px;
    border-radius: 26px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    width: min(100% - 28px, 1180px);
  }
}

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

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