@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css');
@import url('https://fonts.bunny.net/css?family=cabinet-grotesk:500,700');

/* Butler Obsidian Concierge — landing 정적 페이지용
   단일 진실 소스: /Users/ted/side_projects/butler/DESIGN.md */
:root {
  --bg: #0A0A0B;
  --surface: #17171A;
  --surface-elev: #1F1F23;
  --border: #2A2A2F;
  --text-primary: #F2F2F4;
  --text-secondary: #8B8B92;
  --text-muted: #5C5C62;
  --accent: #6E8FFF;
  --accent-press: #5577E5;
  --accent-on: #FFFFFF;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #FAFAF9;
    --surface: #FFFFFF;
    --surface-elev: #F2F2F0;
    --border: #E5E5E3;
    --text-primary: #1A1A1B;
    --text-secondary: #6B6B70;
    --text-muted: #9A9A9F;
    --accent: #3A5BD9;
    --accent-press: #2A47B8;
    --accent-on: #FFFFFF;
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Pretendard Variable', Pretendard, -apple-system, system-ui, sans-serif;
  line-height: 1.55;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  /* 한글 — 단어 중간 끊김 방지. 단어 단위 줄바꿈, 너무 긴 단어만 break. */
  word-break: keep-all;
  overflow-wrap: break-word;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
h1 { font-family: 'Cabinet Grotesk', sans-serif; font-weight: 500; font-size: 32px; line-height: 1.15; letter-spacing: -0.02em; margin: 8px 0 16px; }
h2 { font-family: 'Cabinet Grotesk', sans-serif; font-weight: 500; font-size: 20px; margin: 40px 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 13px; margin: 24px 0 6px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
p, li { font-size: 15px; }
ul { padding-left: 1.2em; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-press); text-decoration: underline; }
.muted { color: var(--text-secondary); font-size: 13px; }
.btn {
  display: inline-block; padding: 14px 22px; border-radius: 12px;
  background: var(--accent); color: var(--accent-on);
  text-decoration: none; font-weight: 500; transition: background 0.15s ease-out;
}
.btn:hover { background: var(--accent-press); text-decoration: none; color: var(--accent-on); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 20px; margin: 16px 0;
}
header.brand { display: flex; align-items: center; gap: 8px; padding-top: 8px; }
header.brand .logo { font-family: 'Cabinet Grotesk', sans-serif; font-weight: 700; font-size: 18px; color: var(--text-primary); letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: 8px; }
header.brand .logo::before {
  content: ""; display: inline-block;
  width: 10px; height: 10px; border-radius: 2px; background: var(--accent);
}
footer { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }
code { font-family: 'Geist Mono', ui-monospace, monospace; font-size: 0.92em; }