:root {
  color: #fff7db;
  background: #0c1016;
  font-family: Pretendard, "Noto Sans KR", "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% -8%, rgb(54 135 96 / 30%) 0, transparent 34rem),
    radial-gradient(circle at 90% 10%, rgb(62 111 164 / 20%) 0, transparent 30rem),
    linear-gradient(180deg, #111820, #0c1016 34rem);
}

a { color: inherit; }

.shell {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgb(177 220 192 / 18%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #82e3a4;
  font-weight: 900;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  image-rendering: pixelated;
  box-shadow: 0 0 0 2px #080b10, 0 0 0 3px rgb(255 255 255 / 20%);
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 14px;
}

.topbar nav a {
  color: #bfc8bc;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

header.hero { padding: 48px 0 26px; }

.eyebrow {
  color: #82e3a4;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
}

h1 {
  margin: 10px 0 14px;
  font-size: clamp(32px, 8vw, 52px);
  line-height: 1.12;
}

.lead {
  max-width: 680px;
  margin: 0;
  color: #c8d1c6;
  font-size: 18px;
  line-height: 1.75;
}

.date { color: #7f8c83; font-size: 14px; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.card,
section.content,
.notice {
  border: 1px solid rgb(177 220 192 / 18%);
  border-radius: 16px;
  background: rgb(23 29 37 / 90%);
  box-shadow: inset 0 1px rgb(255 226 174 / 8%);
}

.card {
  display: block;
  padding: 22px;
  text-decoration: none;
}

.card strong { display: block; color: #82e3a4; font-size: 18px; }
.card span { display: block; margin-top: 7px; color: #bfc8bc; line-height: 1.55; }

section.content {
  margin-top: 14px;
  padding: 24px;
}

h2 { margin: 0 0 11px; color: #ffd66b; font-size: 21px; }
h3 { margin: 22px 0 8px; color: #e8f3e9; font-size: 17px; }
p, li { color: #c8d1c6; font-size: 16px; line-height: 1.75; }
ul, ol { padding-left: 23px; }
li + li { margin-top: 6px; }

.notice {
  margin-top: 18px;
  padding: 18px 20px;
  color: #dac9ad;
}

.notice.warning {
  border-color: #967638;
  background: #28251a;
}

.action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 0 18px;
  border: 0;
  border-radius: 10px;
  color: #0d1912;
  background: #82e3a4;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
}

.action[aria-disabled="true"] {
  color: #829088;
  background: #283039;
  cursor: not-allowed;
}

table {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  color: #dce7dd;
}

th, td { padding: 12px; border: 1px solid rgb(177 220 192 / 18%); text-align: left; }
th { color: #82e3a4; background: #202833; }

footer {
  margin-top: 34px;
  color: #758078;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 620px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .topbar nav { justify-content: flex-start; }
  .cards { grid-template-columns: 1fr; }
  section.content { padding: 19px; }
  th, td { padding: 9px 7px; font-size: 14px; }
}