:root {
  --primary: #6c4dff;
  --primary-soft: #f4f1ff;
  --title: #1f2340;
  --body: #59617c;
  --subtle: #7b819c;
  --surface: #ffffff;
  --background: #fafbff;
  --border: #e9ecf4;
  --warning-bg: #fff4e8;
  --warning-fg: #f4a340;
  --shadow: 0 16px 40px rgba(31, 35, 64, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--background);
  color: var(--body);
  font-family:
    -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR",
    "Segoe UI", sans-serif;
  line-height: 1.65;
}

body {
  padding: 40px 20px 64px;
}

.shell {
  max-width: 880px;
  margin: 0 auto;
}

.hero,
.card,
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 32px;
  margin-bottom: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #9b83ff);
}

h1 {
  margin: 0;
  color: var(--title);
  font-size: 34px;
  line-height: 1.2;
  font-weight: 800;
}

.summary {
  margin: 14px 0 0;
  font-size: 16px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.warning {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--warning-bg);
  color: var(--warning-fg);
  font-size: 14px;
  font-weight: 700;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 24px;
}

.card {
  padding: 18px 20px;
}

.card-label {
  margin: 0 0 6px;
  color: var(--subtle);
  font-size: 13px;
  font-weight: 700;
}

.card-value {
  margin: 0;
  color: var(--title);
  font-size: 15px;
  font-weight: 700;
}

.placeholder {
  color: var(--warning-fg);
  font-weight: 800;
}

.section-list {
  display: grid;
  gap: 14px;
}

.section {
  padding: 24px;
}

h2 {
  margin: 0 0 12px;
  color: var(--title);
  font-size: 20px;
  line-height: 1.35;
  font-weight: 800;
}

p,
li {
  margin: 0;
  font-size: 15px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

ul + p,
p + ul,
p + p {
  margin-top: 10px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--title);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button-link.primary {
  border-color: transparent;
  background: var(--primary);
  color: #fff;
}

.footer {
  margin-top: 24px;
  color: var(--subtle);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 720px) {
  body {
    padding: 20px 14px 40px;
  }

  .hero,
  .section {
    padding: 22px;
    border-radius: 24px;
  }

  h1 {
    font-size: 28px;
  }

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