:root {
  --ink: #071a39;
  --paper: #fff9ea;
  --cyan: #15c9e8;
  --line: #17365f;
  --white: #fff;
  --soft: #e7f8fb;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    linear-gradient(rgba(7, 26, 57, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 26, 57, 0.05) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: Inter, Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.65;
}
a {
  color: inherit;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  background: var(--paper);
  border-bottom: 4px solid var(--ink);
}
.brand,
.bar nav a {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 900;
}
.brand {
  gap: 12px;
  padding: 10px 20px;
}
.brand img {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 3px solid var(--ink);
}
.bar nav {
  display: flex;
  align-items: stretch;
}
.bar nav a {
  padding: 0 20px;
  border-left: 4px solid var(--ink);
}
.bar nav a:hover,
.bar nav a:focus-visible {
  background: var(--cyan);
}
.language {
  display: flex;
  align-items: center;
  border-left: 4px solid var(--ink);
  padding: 8px 12px;
}
.language select {
  min-height: 48px;
  max-width: 190px;
  border: 3px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  padding: 6px 34px 6px 10px;
}
.language select:focus-visible,
.button:focus-visible,
a:focus-visible {
  outline: 4px solid var(--cyan);
  outline-offset: 2px;
}
main {
  max-width: 1100px;
  margin: auto;
  padding: 64px 24px 90px;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: center;
}
.tag {
  display: inline-block;
  padding: 7px 12px;
  border: 3px solid var(--ink);
  background: var(--cyan);
  font-weight: 900;
}
.hero h1 {
  font-size: clamp(3.4rem, 9vw, 7.5rem);
  line-height: 0.86;
  letter-spacing: -0.06em;
  margin: 22px 0;
}
.hero p {
  font-size: 1.15rem;
  max-width: 680px;
}
.icon {
  width: min(100%, 380px);
  border: 5px solid var(--ink);
  border-radius: 36px;
  box-shadow: 16px 16px 0 var(--cyan);
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 900;
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--cyan);
}
.button.secondary {
  background: var(--white);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 70px;
}
.card {
  background: var(--white);
  border: 4px solid var(--ink);
  padding: 24px;
  box-shadow: 8px 8px 0 var(--ink);
}
.card strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.ticket {
  margin-top: 54px;
  background: var(--soft);
  border: 4px solid var(--ink);
  padding: 28px;
}
.doc {
  max-width: 900px;
}
.doc h1 {
  font-size: clamp(2.7rem, 8vw, 5.4rem);
  line-height: 0.95;
  margin: 0 0 20px;
  overflow-wrap: anywhere;
}
.doc h2 {
  margin-top: 34px;
  padding: 10px 14px;
  border: 3px solid var(--ink);
  background: var(--cyan);
  font-size: 1.25rem;
}
.doc .updated {
  display: inline-block;
  padding: 7px 11px;
  background: var(--white);
  border: 3px solid var(--ink);
  font-weight: 800;
}
.footer {
  border-top: 4px solid var(--ink);
  padding: 24px;
  text-align: center;
  background: var(--paper);
}
@media (max-width: 820px) {
  .bar {
    position: static;
    display: block;
  }
  .bar nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .bar nav a {
    justify-content: center;
    min-height: 52px;
    border-top: 4px solid var(--ink);
  }
  .bar nav a:first-child {
    border-left: 0;
  }
  .language {
    grid-column: 1/-1;
    border-left: 0;
    border-top: 4px solid var(--ink);
    justify-content: center;
  }
  .language select {
    width: min(100%, 360px);
    max-width: none;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 3.7rem;
  }
  .doc h1 {
    font-size: clamp(2rem, 10vw, 3.1rem);
    letter-spacing: -0.04em;
    overflow-wrap: normal;
    word-break: normal;
  }
  .icon {
    max-width: 260px;
    order: -1;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  main {
    padding: 36px 16px 70px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}