/* player0.dev 정적 사이트 스타일.
   외부 폰트·CDN·스크립트를 쓰지 않는다. 시스템 폰트와 순수 CSS만 쓴다. */

:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --fg: #1b1b19;
  --muted: #5d5d57;
  --line: #e3e2dd;
  --link: #2f5d50;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "Noto Sans KR", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

a {
  color: var(--link);
}

a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a {
  margin-left: 16px;
}

.site-nav a:first-child {
  margin-left: 0;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.hero {
  text-align: center;
  padding: 24px 0 8px;
}

.hero-logo {
  width: 160px;
  height: 160px;
}

.hero h1 {
  margin: 16px 0 8px;
  font-size: 2rem;
  letter-spacing: -0.01em;
}

.lead {
  margin: 0 auto;
  max-width: 34em;
  color: var(--muted);
}

.card {
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.card h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

.card p {
  margin-bottom: 0;
}

.card p + p {
  margin-top: 12px;
}

.links span {
  margin: 0 8px;
  color: var(--muted);
}

.prose h1 {
  font-size: 1.9rem;
  margin-bottom: 8px;
}

.prose h2 {
  margin-top: 36px;
  font-size: 1.3rem;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.prose h3 {
  margin-top: 26px;
  font-size: 1.05rem;
}

.prose ul {
  padding-left: 22px;
}

.prose li {
  margin: 6px 0;
}

.prose code {
  padding: 1px 5px;
  border-radius: 4px;
  background: #f0efeb;
  font-size: 0.92em;
}

.prose a {
  word-break: break-word;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 20px 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 4px 0;
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .hero-logo {
    width: 120px;
    height: 120px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }
}