/* who are you again? — 소개 사이트 공통 스타일 */
:root {
  --blue: #4a78b0;
  --blue-dark: #2f5688;
  --blue-soft: #eaf1fa;
  --ink: #1f2933;
  --muted: #5b6672;
  --line: #dbe4ef;
  --bg: #ffffff;
  --radius: 18px;
  --max: 1040px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-dark); }
.hand { font-family: "Gaegu", "Apple SD Gothic Neo", sans-serif; font-weight: 700; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* 상단 바 */
.top { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav { display: flex; align-items: center; gap: 14px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--blue-dark); }
.lang { border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; }

/* 앱스토어 버튼 */
.store {
  display: inline-flex; align-items: center; gap: 10px;
  background: #111; color: #fff; text-decoration: none;
  padding: 12px 22px; border-radius: 14px; font-weight: 600; font-size: 16px;
}
.store:hover { background: #333; }
.store svg { width: 22px; height: 22px; fill: #fff; }
.note { color: var(--muted); font-size: 14px; margin-top: 10px; }

/* 첫 화면 */
.hero { background: linear-gradient(180deg, var(--blue-soft), #fff); padding: 56px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: center; }
.hero .eyebrow { color: var(--blue); font-size: 24px; margin: 0; }
.hero h1 { font-size: 48px; line-height: 1.15; margin: 6px 0 16px; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero p.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.hero .shot { max-width: 300px; margin: 0 auto; border-radius: 26px; box-shadow: 0 18px 40px rgba(47, 86, 136, .18); }

/* 섹션 */
section { padding: 56px 0; }
section h2 { font-size: 34px; text-align: center; margin: 0 0 8px; }
section .sub { text-align: center; color: var(--muted); margin: 0 0 32px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .num { color: var(--blue); font-size: 28px; line-height: 1; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 760px; margin: 0 auto; }
.compare .old { background: #f5f6f8; }
.compare .new { background: var(--blue-soft); border-color: #c9d9ee; }
.compare ol { margin: 8px 0 0; padding-left: 20px; color: var(--muted); }

.roles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 760px; margin: 0 auto; }
.roles figure { margin: 0; text-align: center; }
.roles img { border-radius: 50%; aspect-ratio: 1; object-fit: cover; width: 100%; border: 3px solid #fff; box-shadow: 0 4px 14px rgba(0,0,0,.08); }
.roles figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }

.gallery { display: flex; gap: 14px; overflow-x: auto; padding: 4px 4px 14px; scroll-snap-type: x mandatory; }
.gallery img { width: 200px; flex: 0 0 auto; border-radius: 18px; scroll-snap-align: start; border: 1px solid var(--line); }

.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: 8px 0 0; }

.guides-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.guides-list a.card { text-decoration: none; color: var(--ink); }
.guides-list a.card:hover { border-color: var(--blue); }

.cta { text-align: center; background: var(--blue-soft); border-radius: 28px; padding: 40px 20px; }
.cta img { width: 160px; margin: 0 auto 12px; border-radius: 50%; }

/* 안내 글 */
.article { max-width: 720px; margin: 0 auto; padding: 40px 16px 56px; }
.article .crumbs { font-size: 14px; color: var(--muted); }
.article .crumbs a { color: var(--muted); }
.article h1 { font-size: 34px; line-height: 1.3; margin: 10px 0 8px; }
.article .meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.article h2 { font-size: 24px; margin: 36px 0 8px; }
.article h3 { font-size: 19px; margin: 24px 0 6px; }
.article p, .article li { font-size: 17px; }
.article .box { background: var(--blue-soft); border-radius: var(--radius); padding: 18px 20px; margin: 24px 0; }
.article .box p { margin: 0 0 12px; }
.article table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0; }
.article th, .article td { border: 1px solid var(--line); padding: 10px; text-align: left; vertical-align: top; }
.article th { background: #f5f8fc; }
.article .inline-shot { max-width: 260px; margin: 20px auto; border-radius: 20px; border: 1px solid var(--line); }
.table-scroll { overflow-x: auto; }

/* 바닥 */
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer a { color: var(--muted); }

/* 휴대폰 */
@media (max-width: 760px) {
  .hero { padding: 36px 0 24px; }
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 36px; }
  .hero .shot { max-width: 240px; }
  section { padding: 40px 0; }
  section h2 { font-size: 28px; }
  .steps, .compare, .guides-list { grid-template-columns: 1fr; }
  .roles { grid-template-columns: repeat(2, 1fr); }
  .gallery img { width: 160px; }
  .nav .hide-sm { display: none; }
  .article h1 { font-size: 28px; }
}

/* 실제 앱 화면 + 출처 */
.real-shot { margin: 24px auto; text-align: center; }
.real-shot .inline-shot { margin: 0 auto; }
.real-shot figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.5; }
.real-shot video.inline-shot { width: 260px; max-width: 100%; height: auto; display: block; background: #000; }
.hero-video { margin: 0; text-align: center; }
.hero-video video.shot { width: 300px; max-width: 100%; height: auto; display: block; margin: 0 auto; background: #000; }
.hero-video figcaption { font-size: 12px; color: var(--muted); margin-top: 10px; line-height: 1.5; max-width: 300px; margin-left: auto; margin-right: auto; }
@media (max-width: 760px) { .hero-video video.shot { width: 240px; } }