/* 간단계산기 웹 공통 스타일 — 앱과 같은 뉴모피즘 팔레트 */
:root {
  --bg: #EDEFF3;
  --card: #F2F4F7;
  --text: #3A4352;
  --muted: #8A93A6;
  --blue: #2F5DA8;
  --plum: #8B3A5C;
  --pink: #C47A93;
  --shadow-light: #FFFFFF;
  --shadow-dark: #C8CED9;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

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

.wrap { max-width: 820px; margin: 0 auto; padding: 0 16px; }

/* 상단 내비게이션 */
header.site { padding: 20px 0 8px; }
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.05rem;
}
.brand img { width: 36px; height: 36px; border-radius: 10px; }
nav.links { display: flex; gap: 8px; flex-wrap: wrap; }
nav.links a {
  color: var(--text); text-decoration: none; font-size: .92rem; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; background: var(--card);
  box-shadow: -2px -2px 6px var(--shadow-light), 2px 2px 6px var(--shadow-dark);
}
nav.links a[aria-current="page"] { color: var(--blue); }

/* 언어 전환 */
.lang { display: flex; gap: 8px; margin: 16px 0 0; }
.lang a {
  font-size: .85rem; text-decoration: none; color: var(--muted);
  padding: 2px 10px; border-radius: 999px; border: 1px solid var(--shadow-dark);
}

main { padding: 8px 0 48px; }

.card {
  background: var(--card); border-radius: 20px; padding: 28px 22px; margin: 24px 0;
  box-shadow: -4px -4px 10px var(--shadow-light), 4px 4px 10px var(--shadow-dark);
}

h1 { font-size: 1.7rem; line-height: 1.3; margin: 0 0 8px; }
h2 { font-size: 1.12rem; margin: 26px 0 6px; color: var(--blue); }
p, li { margin: 6px 0; }
ul { padding-left: 20px; }
.meta { color: var(--muted); font-size: .9rem; margin: 0 0 10px; }
.lead { font-size: 1.05rem; }
.summary {
  border-left: 4px solid var(--blue); padding: 10px 14px; background: #fff; border-radius: 10px;
}

/* 첫 화면 */
.hero { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero img {
  width: 112px; height: 112px; border-radius: 26px; flex: none;
  box-shadow: -4px -4px 10px var(--shadow-light), 4px 4px 10px var(--shadow-dark);
}
.hero .text { flex: 1 1 260px; min-width: 0; }
.badge {
  display: inline-block; margin-top: 8px; padding: 4px 12px; border-radius: 999px;
  background: var(--pink); color: #fff; font-size: .85rem; font-weight: 600;
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 12px; }
.feature {
  background: var(--bg); border-radius: 16px; padding: 16px;
  box-shadow: inset -2px -2px 5px var(--shadow-light), inset 2px 2px 5px var(--shadow-dark);
}
.feature strong { display: block; color: var(--plum); margin-bottom: 2px; }
.feature p { margin: 0; font-size: .95rem; }

footer.site { padding: 24px 0 40px; color: var(--muted); font-size: .85rem; text-align: center; }
footer.site a { color: var(--muted); }