/* ============================================================
   landing-pages.css — 랜딩 보조 페이지(소개/개인정보/약관) 공용 스타일
   landing.html 의 디자인 토큰·nav·footer 를 발췌해 시각 일치.
   ※ landing.html 의 인라인 CSS 와는 별개(원본은 손대지 않음).
   ============================================================ */

/* ---------- 디자인 토큰 (light) ---------- */
:root {
  --white: #ffffff;
  --warm-white: #f6f5f4;
  --warm-dark: #31302e;
  --ink: rgba(0, 0, 0, 0.95);
  --gray-500: #615d59;
  --gray-300: #a39e98;
  --blue: #0075de;
  --blue-active: #005bab;
  --focus: #097fe8;
  --badge-bg: #f2f9ff;
  --badge-text: #097fe8;
  --border: 1px solid rgba(0, 0, 0, 0.1);
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", "Apple Garamond", serif;

  --surface-card: #fff;
  --on-accent: #fff;
  --surface-2: #f3f1ee;
  --nav-bg: rgba(255, 255, 255, 0.85);
  --selection: #cfe6ff;
  --fill-subtle: rgba(0, 0, 0, 0.05);
  --fill-subtle-2: rgba(0, 0, 0, 0.07);
  --tint-brown: #f5efe6;
  --brown: #523410;
}

/* ---------- 디자인 토큰 (dark) ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --white: #08090a;
    --surface-card: #161719;
    --surface-2: #101113;
    --warm-white: #101113;
    --warm-dark: #16171a;
    --ink: #f7f8f8;
    --gray-500: #9b9ba4;
    --gray-300: #6c6e79;
    --on-accent: #f7f8f8;
    --blue: #5e6ad2;
    --blue-active: #6872e0;
    --focus: #8a93ff;
    --badge-bg: rgba(94, 106, 210, 0.16);
    --badge-text: #aab2ff;
    --border: 1px solid rgba(255, 255, 255, 0.09);
    --nav-bg: rgba(8, 9, 10, 0.72);
    --selection: rgba(94, 106, 210, 0.35);
    --fill-subtle: rgba(255, 255, 255, 0.06);
    --fill-subtle-2: rgba(255, 255, 255, 0.09);
    --brown: #c9a87a;
    --tint-brown: rgba(201, 168, 122, 0.14);
  }
  .light-logo { display: none !important; }
  .dark-logo { display: block !important; }
}
/* 라이트 기본: dark 로고 숨김. .brand-logo 보다 높은 특정성으로 규칙 순서와 무관하게 적용 */
.brand-logo.dark-logo { display: none; }

/* ---------- reset / base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--selection); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-size: 15px; font-weight: 600;
  line-height: 1.33; cursor: pointer; border: 1px solid transparent;
  border-radius: 4px; padding: 10px 18px; transition: all .14s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: var(--on-accent); }
.btn-primary:hover { background: var(--blue-active); }
.btn-primary:active { transform: scale(0.96); }

/* ---------- 상단 nav ---------- */
nav.topnav {
  position: sticky; top: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer; }
.brand-logo { height: 40px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink); transition: color .14s; }
.nav-links a:hover { color: var(--blue); }
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: 26px; }
.nav-kakao { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); font-size: 14px; font-weight: 600; text-decoration: none; transition: color .14s ease; }
.nav-kakao:hover { color: var(--blue); }
.nav-kakao .ico-kakao { width: 16px; height: 16px; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; }

/* ---------- 본문 (legal / prose) ---------- */
.legal { padding: 56px 0 80px; }
/* 소개 페이지: 본문 컬럼을 페이지 중앙으로 (텍스트는 좌측 정렬 유지). footer/nav 의 .wrap 은 .legal 밖이라 영향 없음 */
.legal-narrow > .wrap { max-width: 824px; }
.legal .eyebrow {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 600; letter-spacing: .4px;
  text-transform: uppercase; color: var(--badge-text);
  background: var(--badge-bg); border-radius: 9999px; padding: 5px 12px;
  margin-bottom: 18px;
}
.legal h1 {
  font-size: 38px; font-weight: 700; line-height: 1.2;
  letter-spacing: -0.4px; color: var(--ink);
}
.legal .meta { margin-top: 12px; font-size: 14px; color: var(--gray-500); }

.prose { margin-top: 36px; max-width: 760px; }
.prose section { margin-top: 36px; }
.prose h2 {
  font-size: 21px; font-weight: 700; line-height: 1.35;
  color: var(--ink); margin-bottom: 14px;
  padding-bottom: 10px; border-bottom: var(--border);
}
.prose h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin: 22px 0 8px; }
.prose p { font-size: 15.5px; line-height: 1.75; color: var(--gray-500); margin: 10px 0; }
.prose ul, .prose ol { margin: 10px 0 10px 22px; }
.prose li { font-size: 15.5px; line-height: 1.75; color: var(--gray-500); margin: 6px 0; }
.prose strong { color: inherit; font-weight: inherit; }
.prose a:not(.btn) { color: var(--blue); }
.prose a:not(.btn):hover { text-decoration: underline; }
.prose .lead { font-size: 17px; line-height: 1.7; color: var(--ink); }
.prose img { border-radius: 12px; border: var(--border); margin: 28px 0; }
.prose img + em, .prose figcaption { display: block; margin-top: -16px; font-size: 13.5px; color: var(--gray-300); text-align: center; }
.prose table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; }
.prose th, .prose td {
  text-align: left; padding: 10px 12px;
  border: var(--border); color: var(--gray-500); line-height: 1.6;
}
.prose th { color: var(--ink); font-weight: 600; background: var(--surface-2); }

/* ---------- 소개(about) 그리드 ---------- */
.feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 18px; margin-top: 28px;
}
.feature-card {
  background: var(--surface-card); border: var(--border);
  border-radius: 12px; padding: 22px;
}
.feature-card h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.feature-card p { font-size: 14.5px; line-height: 1.7; color: var(--gray-500); }

/* ---------- footer ---------- */
footer { background: var(--warm-white); border-top: var(--border); padding: 64px 0 40px; margin-top: 72px; }
.foot-grid { display: grid; grid-template-columns: 3fr 1fr 1fr; gap: 40px; }
.foot-brand .foot-logo { height: 40px; }
.foot-brand p { font-size: 14px; color: var(--gray-500); margin-top: 12px; max-width: 30ch; line-height: 1.55; }
.foot-col h5 { font-size: 13px; font-weight: 600; letter-spacing: 0.4px; text-transform: uppercase; color: var(--gray-300); margin-bottom: 16px; }
.foot-col a { display: block; font-size: 14px; color: var(--gray-500); padding: 6px 0; transition: color .14s; }
.foot-col a:hover { color: var(--blue); }
.foot-bottom { border-top: var(--border); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.foot-bottom p { font-size: 13px; color: var(--gray-300); }
.foot-bottom .fb-links { display: flex; gap: 20px; }
.foot-bottom .fb-links a { font-size: 13px; color: var(--gray-500); }
.foot-bottom .fb-links a:hover { color: var(--blue); }

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: grid; place-items: center; }
}
@media (max-width: 820px) {
  .wrap { padding: 0 20px; }
  .legal h1 { font-size: 30px; }
  .feature-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

/* ---------- 블로그(blog) ---------- */
/* 칼럼 본문 양쪽 정렬(justify) — 오른쪽 끝을 가지런하게 (블로그 글 전용, 다른 .prose 페이지 무영향) */
.prose-justify p,
.prose-justify li,
.prose-justify .lead { text-align: justify; }
/* 블로그 칼럼: 리드 문단도 일반 본문과 동일 형식(소제목만 강조, 나머지 본문은 한 형식으로 통일) */
.prose-justify .lead { font-size: 15.5px; line-height: 1.75; color: var(--gray-500); }
/* 소제목(H2) 위에 충분한 여백 — 앞 문단과 붙지 않게 */
.prose-justify h2 { margin-top: 52px; }
.blog-back { display: inline-block; font-size: 14px; color: var(--gray-500); margin-bottom: 20px; transition: color .14s; }
.blog-back:hover { color: var(--blue); }

/* 검색 + 카테고리 필터 툴바 */
.blog-toolbar { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.blog-search {
  width: 100%; max-width: 420px;
  font-family: var(--font); font-size: 15px; color: var(--ink);
  background: var(--surface-card); border: var(--border); border-radius: 9999px;
  padding: 11px 18px; transition: border-color .14s ease;
}
.blog-search::placeholder { color: var(--gray-300); }
.blog-search:focus { outline: none; border-color: var(--blue); }
.blog-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.blog-chip {
  font-family: var(--font); font-size: 14px; font-weight: 500; color: var(--gray-500);
  background: var(--fill-subtle); border: 1px solid transparent; border-radius: 9999px;
  padding: 7px 15px; cursor: pointer; transition: all .14s ease;
}
.blog-chip:hover { color: var(--ink); }
.blog-chip.active { background: var(--blue); color: var(--on-accent); }

/* 가로 행 리스트 */
.blog-list { display: flex; flex-direction: column; margin-top: 28px; border-top: var(--border); }
.blog-row { display: block; padding: 24px 8px; border-bottom: var(--border); transition: background .14s ease; }
.blog-row:hover { background: var(--fill-subtle); }
.blog-row-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; margin-bottom: 8px; }
.blog-row-date { color: var(--gray-300); }
.blog-row-cat { color: var(--badge-text); background: var(--badge-bg); font-weight: 600; border-radius: 9999px; padding: 3px 10px; }
.blog-row-title { font-size: 21px; font-weight: 700; line-height: 1.4; color: var(--ink); margin-bottom: 6px; }
.blog-row-desc { font-size: 15px; line-height: 1.65; color: var(--gray-500); margin-bottom: 10px; }
.blog-row-more { font-size: 14px; font-weight: 600; color: var(--blue); }
.blog-empty { margin-top: 32px; text-align: center; color: var(--gray-500); font-size: 15px; }

.blog-cta { margin-top: 48px; padding: 28px; background: var(--surface-2); border: var(--border); border-radius: 14px; text-align: center; }
.blog-cta p { font-size: 15.5px; line-height: 1.6; color: var(--ink); margin-bottom: 16px; }
.blog-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-ghost { background: var(--fill-subtle); color: var(--ink); }
.btn-ghost:hover { background: var(--fill-subtle-2); }
.btn-win { background: var(--ink); color: var(--white); } /* Windows 다운로드 — macOS(파랑)와 구분되는 잉크 채움 */
.btn-win:hover { opacity: .88; }

@media (max-width: 820px) {
  .blog-row { padding: 20px 4px; }
  .blog-row-title { font-size: 18px; }
}