/* PlacePad 소개 사이트 — 공용 스타일 (앱 색감: 크림 #FFF8F0 / 브라운 #8B7355) */
:root {
  --cream: #fff8f0;
  --brown: #8b7355;
  --brown-dark: #6f5b42;
  --ink: #3a342c;
  --muted: #8a8275;
  --line: #e8ddcd;
  --card: #fffdf9;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brown-dark); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 22px; }

/* ── 상단 바 ── */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 248, 240, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 58px;
}
.brand { font-weight: 800; letter-spacing: 1px; color: var(--brown-dark); text-decoration: none; font-size: 18px; }
.nav-links { display: flex; align-items: center; }
.nav-sections a { margin-left: 18px; text-decoration: none; color: var(--ink); font-size: 15px; }
.nav-sections a:hover { color: var(--brown); }
.lang { margin-left: 16px; padding-left: 14px; border-left: 1px solid var(--line); white-space: nowrap; }
.lang a { margin-left: 8px; text-decoration: none; font-size: 13px; color: var(--muted); }
.lang a:hover { color: var(--brown-dark); }
.lang a.on { color: var(--brown-dark); font-weight: 700; }

/* ── 히어로 ── */
.hero { text-align: center; padding: 72px 0 40px; }
.hero .pin { font-size: 46px; }
.hero h1 { font-size: 44px; letter-spacing: 3px; margin: 12px 0 6px; color: var(--brown-dark); }
.hero .tag { font-size: 20px; color: var(--brown); margin: 0 0 14px; }
.hero p { max-width: 560px; margin: 0 auto 26px; color: var(--muted); }

.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brown-dark); color: #fff; text-decoration: none;
  padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 15px;
  opacity: .55; cursor: default;
}
.badge small { font-weight: 400; opacity: .85; }

/* ── 섹션 ── */
section { padding: 46px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 27px; color: var(--brown-dark); margin: 0 0 6px; }
section .sub { color: var(--muted); margin: 0 0 28px; }

/* 기능 그리드 */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feat {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 20px;
}
.feat .ico { font-size: 26px; }
.feat h3 { margin: 8px 0 4px; font-size: 17px; }
.feat p { margin: 0; color: var(--muted); font-size: 15px; }

/* 사용법 스텝 */
.steps { counter-reset: step; display: grid; gap: 14px; }
.step {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px;
}
.step::before {
  counter-increment: step; content: counter(step);
  flex: 0 0 34px; height: 34px; border-radius: 50%;
  background: var(--brown); color: #fff; font-weight: 700;
  display: grid; place-items: center;
}
.step h3 { margin: 2px 0 4px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── 푸터 ── */
footer { border-top: 1px solid var(--line); padding: 34px 0 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; align-items: center; }
footer a { text-decoration: none; }

/* ── 개인정보처리방침 문서 ── */
.doc { padding: 40px 0 60px; }
.doc h1 { font-size: 30px; color: var(--brown-dark); margin-bottom: 4px; }
.doc .eff { color: var(--muted); margin-top: 0; }
.doc h2 { font-size: 19px; color: var(--brown-dark); margin: 30px 0 6px; }
.doc p, .doc li { color: var(--ink); }
.doc ul { padding-left: 20px; }
.callout {
  background: #f3ece0; border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 18px; margin: 18px 0;
}

@media (max-width: 620px) {
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  .nav-links a { margin-left: 12px; font-size: 14px; }
}