:root {
  --ink: #173f3a;
  --ink-soft: #43645f;
  --paper: #fffaf0;
  --paper-deep: #f5eedf;
  --white: #ffffff;
  --accent: #ff8b62;
  --accent-soft: #ffe3d7;
  --lime: #c9dc8e;
  --line: rgba(23, 63, 58, 0.15);
  --shadow: 0 24px 70px rgba(23, 63, 58, 0.11);
  --radius-lg: 34px;
  --radius-md: 22px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(201, 220, 142, 0.36), transparent 27rem),
    radial-gradient(circle at 92% 32%, rgba(255, 139, 98, 0.16), transparent 25rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
}

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

.site-header {
  width: min(calc(100% - 32px), var(--max));
  margin: 18px auto 0;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 250, 240, 0.82);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 12px;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand img { width: 36px; height: 36px; }

.nav { display: flex; align-items: center; gap: 8px; }

.nav a {
  padding: 8px 12px;
  color: var(--ink-soft);
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover,
.nav a:focus-visible { background: var(--paper-deep); color: var(--ink); outline: none; }

.nav .language-link {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.45);
}

main { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 54px;
  padding: 84px 0 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7.4vw, 92px);
  line-height: 1.03;
  letter-spacing: -0.075em;
  font-weight: 850;
}

.accent { color: var(--accent); }

.hero-copy {
  max-width: 660px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.72;
  letter-spacing: -0.025em;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  font-weight: 750;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

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

.button:hover,
.button:focus-visible { transform: translateY(-2px); box-shadow: 0 9px 24px rgba(23, 63, 58, 0.16); outline: none; }

.hero-orbit {
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero-orbit::before { inset: 16%; border: 1px dashed rgba(23, 63, 58, 0.28); }
.hero-orbit::after { width: 18%; aspect-ratio: 1; right: 8%; top: 19%; background: var(--accent); box-shadow: -210px 170px 0 -7px var(--lime); }

.orbit-card {
  width: 56%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 36%;
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
  text-align: center;
  transform: rotate(-7deg);
}

.orbit-card span { display: block; font-weight: 850; font-size: clamp(24px, 4vw, 46px); line-height: 1.1; letter-spacing: -0.055em; }
.orbit-card small { display: block; margin-top: 12px; color: rgba(255, 250, 240, 0.68); letter-spacing: 0.12em; }

.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 42px; }
.section h2 { margin-bottom: 16px; font-size: clamp(34px, 5vw, 62px); line-height: 1.08; letter-spacing: -0.065em; }
.section-intro { color: var(--ink-soft); font-size: 18px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { min-height: 285px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.55); }
.card-number { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 54px; border-radius: 50%; background: var(--accent-soft); color: #a93e1d; font-weight: 800; }
.card h3 { margin-bottom: 12px; font-size: 24px; letter-spacing: -0.045em; }
.card p { margin-bottom: 0; color: var(--ink-soft); }

.manifesto {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 52px;
  padding: 54px;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.manifesto .eyebrow { color: rgba(255, 250, 240, 0.58); }
.manifesto h2 { margin: 0; }
.principles { display: grid; gap: 22px; }
.principle { padding-bottom: 22px; border-bottom: 1px solid rgba(255, 250, 240, 0.18); }
.principle:last-child { padding-bottom: 0; border-bottom: 0; }
.principle strong { display: block; margin-bottom: 6px; font-size: 18px; }
.principle p { margin: 0; color: rgba(255, 250, 240, 0.7); }

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 42px;
  border-radius: var(--radius-lg);
  background: var(--lime);
}
.contact-panel h2 { margin-bottom: 8px; }
.contact-panel p { margin-bottom: 0; color: var(--ink-soft); }

.site-footer {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 42px 0 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-underline-offset: 4px; }

.page-hero { max-width: 780px; padding: 100px 0 64px; }
.page-hero h1 { font-size: clamp(44px, 7vw, 76px); }
.page-hero p { color: var(--ink-soft); font-size: 18px; }
.document { max-width: 800px; padding: 0 0 110px; }
.document section { padding: 30px 0; border-top: 1px solid var(--line); }
.document h2 { font-size: 26px; letter-spacing: -0.045em; }
.document ul { padding-left: 20px; }
.document .notice { padding: 22px; border-radius: 18px; background: var(--accent-soft); }
.meta { color: var(--ink-soft); font-size: 14px; }

@media (max-width: 820px) {
  .site-header { align-items: flex-start; }
  .nav a:not(.language-link):not([href^="mailto:"]) { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 70px; }
  .hero-orbit { width: min(82vw, 430px); margin: 0 auto; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .card-number { margin-bottom: 32px; }
  .manifesto { grid-template-columns: 1fr; padding: 34px 26px; }
  .contact-panel { align-items: flex-start; flex-direction: column; padding: 34px 26px; }
  .site-footer { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}