:root {
  --sky: #64bdf2;
  --sky-deep: #2187ca;
  --sun: #ffb52d;
  --ink: #172536;
  --muted: #5d6f82;
  --cloud: #ffffff;
  --paper: #f8fcff;
  --line: #d9e9f4;
  --mint: #dff7ec;
  --warning: #fff4d3;
  --shadow: 0 18px 50px rgba(25, 89, 130, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(255, 181, 45, 0.16), transparent 24rem),
    linear-gradient(180deg, #eef9ff 0, #fff 36rem);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.7;
  word-break: keep-all;
}

a { color: inherit; }

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand img {
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(33, 135, 202, 0.2);
}

.brand small {
  margin-left: 4px;
  color: var(--sky-deep);
  font-size: 0.72em;
  letter-spacing: 0;
}

nav { display: flex; gap: 24px; }

nav a {
  color: #42566a;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] { color: var(--sky-deep); }

main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 72px;
  padding: 56px 0 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--sky-deep);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 1.03;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.2;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.16rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.chips span {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: #3b6079;
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-art {
  position: relative;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 48px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.hero-art img {
  display: block;
  width: 100%;
  border-radius: 30px;
}

.hero-art p {
  margin: 20px 0 0;
  text-align: center;
  font-weight: 800;
}

.sun {
  position: absolute;
  z-index: 1;
  top: -35px;
  right: -22px;
  color: var(--sun);
  font-size: 5rem;
  filter: drop-shadow(0 6px 10px rgba(219, 141, 0, 0.22));
}

.section {
  padding: 112px 0;
  border-top: 1px solid var(--line);
}

.integration {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 72px;
  align-items: center;
}

.integration > div:first-child p:last-child {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.08rem;
}

code {
  padding: 0.15em 0.45em;
  border-radius: 0.45em;
  background: #e9f6ff;
  color: #146ea8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  word-break: break-all;
}

.data-card {
  padding: 32px;
  border: 1px solid #c6eadb;
  border-radius: 28px;
  background: var(--mint);
  box-shadow: 0 16px 38px rgba(43, 128, 94, 0.1);
}

.data-card ul,
.policy-content ul { padding-left: 1.2em; }

.data-card li + li,
.policy-content li + li { margin-top: 7px; }

.note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(45, 130, 97, 0.2);
  color: #356a56;
  font-size: 0.9rem;
  font-weight: 700;
}

.promise { text-align: center; }

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 46px;
  text-align: left;
}

.promise-grid article {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
}

.promise-grid span {
  color: var(--sun);
  font-size: 1.6rem;
  font-weight: 950;
}

.promise-grid h3 { margin-top: 40px; }

.promise-grid p { color: var(--muted); }

.english-summary {
  margin: 80px 0 112px;
  padding: 54px;
  border-radius: 32px;
  background: var(--ink);
  color: white;
}

.english-summary .eyebrow { color: #86d4ff; }

.english-summary p:last-child {
  max-width: 850px;
  margin-bottom: 0;
  color: #c7d6e4;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 30px;
  padding: 44px 0 58px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

footer p { margin-bottom: 0; }

.footer-links {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.footer-links a { font-weight: 700; }

.copyright { grid-column: 1 / -1; }

.policy-page { max-width: 880px; }

.policy-title { padding: 92px 0 50px; }

.policy-title h1 { font-size: clamp(2.7rem, 6vw, 4.6rem); }

.policy-title > p:last-child { color: var(--muted); }

.policy-callout {
  margin-bottom: 56px;
  padding: 26px 30px;
  border: 1px solid #c6eadb;
  border-radius: 22px;
  background: var(--mint);
}

.policy-callout p { margin: 8px 0 0; }

.policy-content section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.policy-content h2 {
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.policy-content p,
.policy-content li { color: #41566a; }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  min-width: 140px;
  padding: 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th { background: #eef8fd; }

.draft-warning {
  padding: 18px 20px;
  border: 1px solid #f0d886;
  border-radius: 16px;
  background: var(--warning);
  color: #725b14;
  font-size: 0.9rem;
  font-weight: 700;
}

.contact-list { list-style: none; padding-left: 0 !important; }

.english-policy {
  margin-bottom: 80px;
  padding: 32px !important;
  border: 0 !important;
  border-radius: 22px;
  background: #f0f7fb;
}

.english-policy p { margin-bottom: 0; }

@media (max-width: 820px) {
  .site-header {
    padding: 14px 0;
    align-items: flex-start;
  }

  nav { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }

  nav a { font-size: 0.78rem; }

  .hero {
    grid-template-columns: 1fr;
    gap: 58px;
    padding-top: 72px;
  }

  .hero-art { width: min(520px, 100%); margin: 0 auto; }

  .integration { grid-template-columns: 1fr; gap: 36px; }

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

@media (max-width: 560px) {
  .site-header,
  main,
  footer { width: min(100% - 28px, 1120px); }

  .site-header { display: block; }

  nav { margin-top: 16px; justify-content: flex-start; }

  h1 { font-size: 3.1rem; }

  .hero { min-height: auto; padding-bottom: 74px; }

  .hero-art { padding: 16px; border-radius: 28px; }

  .hero-art img { border-radius: 20px; }

  .section { padding: 76px 0; }

  .english-summary { padding: 30px; }

  footer { display: block; }

  .footer-links { margin: 22px 0; flex-direction: column; gap: 8px; }

  .policy-title { padding-top: 64px; }

  .policy-callout { padding: 22px; }

  .policy-content section { padding: 34px 0; }
}

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