/* turtlesteadi.com 공통 스타일 */
:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #1d2330; --muted: #6b7385; --line: #e3e6ec;
  --accent: #f38020; --accent-soft: #fff3e8; --ok: #1a8d5f;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161b; --card: #1d2027; --text: #e8eaef; --muted: #9aa2b2; --line: #2e323c;
    --accent-soft: #2a2118; --ok: #3fbf8a;
  }
}
:root[data-theme="dark"] {
  --bg: #14161b; --card: #1d2027; --text: #e8eaef; --muted: #9aa2b2; --line: #2e323c;
  --accent-soft: #2a2118; --ok: #3fbf8a;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text); line-height: 1.65;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}
main { max-width: 860px; margin: 0 auto; padding: 28px 16px 64px; }
a { color: var(--accent); }

.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 1.15rem; }
.brand img { width: 32px; height: 32px; }
.lang-switch {
  margin-left: auto; color: var(--muted); text-decoration: none; font-size: .85rem; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; background: var(--card);
}
.lang-switch:hover { color: var(--accent); border-color: var(--accent); }

h1 { font-size: 2.1rem; line-height: 1.3; margin: 0 0 10px; letter-spacing: -0.02em; }
.lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 36px; }
h2 { font-size: 1.2rem; margin: 40px 0 14px; display: flex; align-items: center; gap: 10px; }
h2::before { content: ""; width: 5px; height: 1.1em; border-radius: 3px; background: var(--accent); }

/* 서비스 카드 */
.services { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.service {
  display: flex; gap: 18px; align-items: center; text-decoration: none; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px;
  transition: border-color .15s, transform .15s;
}
.service:hover { border-color: var(--accent); transform: translateY(-2px); }
.service img { width: 64px; height: 64px; flex: none; }
.service b { display: block; font-size: 1.15rem; margin-bottom: 2px; }
.service div > span { color: var(--muted); font-size: .95rem; }
.service .go { margin-left: auto; color: var(--accent); font-weight: 700; white-space: nowrap; }

/* 원칙 */
.principles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.principles li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.principles b { display: block; margin-bottom: 4px; }
.principles li > span { color: var(--muted); font-size: .92rem; }

/* 글 페이지 (개인정보처리방침) */
.doc ul { padding-left: 1.2em; }
.doc li { margin: 6px 0; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0 8px; }

.site-foot {
  margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; color: var(--muted); font-size: .85rem;
}
.site-foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--accent); }
.site-foot p { margin: 0; }

/* 한국어/영어 중 하나만 보여요 */
html[lang="ko"] [data-lang="en"], html:not([lang="ko"]) [data-lang="ko"] { display: none; }

@media (max-width: 520px) {
  h1 { font-size: 1.7rem; }
  .service { flex-wrap: wrap; }
  .service .go { margin-left: 0; }
}