:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Noto Sans KR", sans-serif;
  background: #080a0d;
  color: #f5f7f9;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% 10%, rgba(252, 76, 2, 0.17), transparent 34rem), #080a0d;
}
a { color: inherit; text-decoration: none; }

.site-header, .site-footer, main {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #242b34;
}
.site-header nav, .site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  color: #9aa4b0;
  font-size: 14px;
  font-weight: 700;
}
.site-header nav a:hover, .site-footer nav a:hover { color: #fff; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-style: italic;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.brand img { width: 38px; height: 38px; border-radius: 10px; }

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 72px;
  align-items: center;
  padding: 72px 0 96px;
  overflow: hidden;
}
.hero-copy { min-width: 0; }
.eyebrow {
  margin: 0 0 20px;
  color: #fc4c02;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.17em;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 28px;
  font-size: clamp(48px, 6.7vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.065em;
  word-break: keep-all;
  overflow-wrap: break-word;
}
h2 {
  margin-bottom: 44px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.055em;
}
.lead {
  max-width: 620px;
  margin-bottom: 32px;
  color: #b3bbc6;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.7;
  word-break: keep-all;
}
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill-row span {
  padding: 10px 14px;
  border: 1px solid #2b333d;
  border-radius: 999px;
  background: rgba(18, 23, 30, 0.82);
  color: #d7dce3;
  font-size: 14px;
  font-weight: 800;
}
.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
  align-self: end;
  height: 650px;
}
.hero-art::before {
  position: absolute;
  inset: 60px 0 0;
  border-radius: 50%;
  background: #fc4c02;
  filter: blur(90px);
  opacity: 0.18;
  content: "";
}
.hero-art img {
  position: relative;
  width: min(430px, 100%);
  height: auto;
  object-fit: contain;
  object-position: top center;
  filter: drop-shadow(0 42px 48px rgba(0, 0, 0, 0.48));
}
.section { padding: 112px 0; border-top: 1px solid #242b34; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-grid article {
  min-height: 250px;
  padding: 30px;
  border: 1px solid #27303a;
  border-radius: 24px;
  background: linear-gradient(145deg, #141920, #0e1217);
}
.feature-grid strong { color: #fc4c02; font-size: 14px; letter-spacing: 0.08em; }
.feature-grid h3 { margin: 54px 0 14px; font-size: 23px; letter-spacing: -0.035em; }
.feature-grid p, .fact-list span, .document .summary, .document li, .document p {
  color: #aeb6c0;
  line-height: 1.75;
}
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.fact-list p {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  margin: 0;
  padding: 24px 0;
  border-bottom: 1px solid #242b34;
}
.fact-list b { color: #fff; }
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px 40px;
  padding: 48px 0 64px;
  border-top: 1px solid #242b34;
}
.site-footer p { margin: 8px 0 0; color: #798390; font-size: 14px; }
.site-footer .copyright { grid-column: 1 / -1; }

.document-shell { background: #f6f7f9; color: #16191e; }
.document-shell .site-header { border-color: #dfe3e8; }
.document-shell .site-header nav { color: #636b76; }
.document-shell .site-header nav a:hover { color: #111318; }
.document {
  width: min(760px, calc(100% - 40px));
  min-width: 0;
  margin: 0 auto;
  padding: 72px 0 100px;
}
.document p, .document li, .document a {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.document h1 { margin-bottom: 12px; font-size: clamp(38px, 7vw, 56px); line-height: 1.12; }
.document h2 { margin: 48px 0 14px; font-size: 23px; letter-spacing: -0.035em; }
.document .meta { color: #747c87; }
.document .summary {
  margin: 26px 0 42px;
  padding: 22px 24px;
  border: 1px solid #dde1e6;
  border-radius: 18px;
  background: #fff;
  font-size: 17px;
}
.document a { color: #d83f00; text-decoration: underline; text-underline-offset: 3px; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.support-card { padding: 24px; border: 1px solid #dde1e6; border-radius: 18px; background: #fff; }
.support-card h2 { margin-top: 0; }
.document-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #dfe3e8;
  color: #747c87;
  font-size: 14px;
}

@media (max-width: 780px) {
  .site-header { min-height: 72px; }
  .site-header nav a:first-child { display: none; }
  .document-shell .site-header nav { display: none; }
  .hero { min-height: 0; grid-template-columns: minmax(0, 1fr); gap: 46px; padding: 72px 0 0; }
  .hero h1 { font-size: clamp(42px, 13vw, 58px); letter-spacing: -0.055em; }
  .hero .lead { font-size: 18px; line-height: 1.62; }
  .hero-art { height: 560px; }
  .document .summary { width: 100%; }
  .feature-grid, .split-section, .support-grid { grid-template-columns: 1fr; }
  .section { padding: 82px 0; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer .copyright { grid-column: 1; }
}

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