/* Marzolab 브랜드 색: 마스 레드는 포인트, 차콜은 글자와 어두운 영역, 배경은 흰색 계열. */
:root {
  --red: #b3221f;
  --red-deep: #8f1414;
  --red-tint: #fbeeed;
  --charcoal: #1b1e2d;
  --bg: #fafafb;
  --card: #ffffff;
  --ink: #1b1e2d;
  --ink-soft: #4f5262;
  --ink-mute: #8a8c99;
  --line: #e8e8ec;
  --accent: var(--red);
  --radius: 18px;
  --shadow: 0 1px 2px rgba(27, 30, 45, 0.04), 0 4px 16px rgba(27, 30, 45, 0.05);
  color-scheme: light;
}

* { 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;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a { color: var(--accent); text-underline-offset: 3px; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 상단 */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0 14px;
}
.brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
}
.brand img {
  display: block;
  height: 28px;
  width: auto;
  max-width: 100%;
}
.lang {
  display: inline-flex;
  flex: none;
  padding: 3px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 13px;
}
.lang a, .lang span {
  padding: 4px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-soft);
}
.lang [aria-current] {
  background: var(--charcoal);
  color: #fff;
  font-weight: 600;
}

/* 404 */
.hero {
  margin: 28px 0 24px;
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.hero p { margin: 0; color: var(--ink-soft); }

/* 첫 화면과 앱 페이지: 모든 요소는 왼쪽 정렬, 구역 사이 간격은 --rhythm 하나로 맞춘다 */
main { --rhythm: 64px; }
.intro, .app-intro { margin-top: 40px; }
.home-section { margin-top: var(--rhythm); }

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--red);
}
.intro-title {
  margin: 0;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}
.intro-sub {
  margin: 12px 0 0;
  font-size: 16px;
  color: var(--ink-soft);
}

.section-head {
  margin: 0 0 16px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.section-head + .section-sub { margin: -10px 0 16px; }
.section-sub {
  font-size: 15px;
  color: var(--ink-soft);
}

/* 같은 높이로 나란히 놓는 카드 묶음. 좁은 화면에서는 세로로 쌓는다 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.panel {
  border: 1px solid #ededf0;
  border-radius: 12px;
  background: var(--card);
}
.value {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 20px;
}
.value p { margin: 0; }
.value-num {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--red);
}
.value-name {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}
.value .value-ko {
  margin-top: 2px;
  font-size: 13px;
  color: var(--ink-mute);
}
.value .value-summary {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}
.value .value-desc {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
  margin: 0 0 14px;
}

.app-list {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.app-card {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease;
}
.app-card:hover { transform: translateY(-2px); }
.app-card img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  flex: none;
}
.app-card h2, .app-card h3 { margin: 0; font-size: 18px; }
.app-card p { margin: 2px 0 0; color: var(--ink-soft); font-size: 14px; }
.app-card .chev {
  margin-left: auto;
  color: var(--ink-mute);
  font-size: 22px;
}

/* 앱 페이지 */
.app-intro {
  display: flex;
  align-items: center;
  gap: 18px;
}
.app-icon {
  flex: none;
  width: 88px;
  height: 88px;
  border-radius: 22px;
}
.app-name {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.app-tagline {
  margin: 4px 0 0;
  font-size: 16px;
  color: var(--ink-soft);
}
.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.store-soon {
  margin: 0;
  font-size: 14px;
  color: var(--ink-mute);
}

.privacy-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.privacy-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  transform: translateY(-3px);
}
.privacy-note {
  margin: 8px 0 0 17px;
  font-size: 15px;
  color: var(--ink-soft);
}

.feature { padding: 18px 18px 20px; }
.feature h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.feature p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* 앱 화면: 이미지가 하나도 없으면 줄 전체를 숨긴다 */
.shots:not(:has(img)) { display: none; }
/* 큰 화면에서는 네 장이 한 줄에, 좁은 화면에서는 줄 안에서만 옆으로 밀고 한 장씩 멈춘다.
   그림자가 잘리지 않도록 목록을 양옆으로 6px 넓히고 같은 만큼 안쪽 여백을 준다 */
.shot-list {
  display: flex;
  gap: 14px;
  margin: 0 -6px;
  padding: 0 6px 6px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 6px;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.shot-list::-webkit-scrollbar { display: none; }
.shot-list li {
  flex: 0 0 calc((100% - 42px) / 4);
  scroll-snap-align: start;
}
.shot-list figure { margin: 0; }
.shot-list img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 2;
  border: 1px solid rgba(27, 30, 45, 0.06);
  border-radius: 16px;
  background: #f3f2f8;
  box-shadow: 0 1px 2px rgba(27, 30, 45, 0.04), 0 8px 20px rgba(27, 30, 45, 0.07);
}
.shot-list figcaption {
  margin-top: 10px;
  font-size: 13px;
  text-align: center;
  color: var(--ink-mute);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1.5px solid var(--charcoal);
  background: var(--card);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.rows { margin: 0; padding: 0; list-style: none; }
.rows li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.rows li:first-child { border-top: 0; padding-top: 0; }
.rows li:last-child { padding-bottom: 0; }
.rows .k { color: var(--ink-soft); flex: none; }
.rows .v { text-align: right; }
.panel.rows { padding: 14px 18px; }

/* 개인정보처리방침 */
.doc h1 {
  font-size: 24px;
  margin: 24px 0 4px;
  line-height: 1.35;
}
.doc .meta { color: var(--ink-soft); font-size: 14px; margin: 0 0 18px; }
.doc h2 {
  font-size: 17px;
  margin: 0 0 10px;
}
.doc p, .doc ul, .doc table { margin: 0 0 10px; }
.doc p:last-child, .doc ul:last-child, .doc table:last-child { margin-bottom: 0; }
.doc ul { padding-left: 20px; }
.doc li { margin: 3px 0; }
.doc .note { color: var(--ink-soft); font-size: 14px; }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 20px; font-size: 14px; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--red); }
.table-scroll { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 8px 8px 8px 0;
  border-top: 1px solid var(--line);
}
th { color: var(--ink-soft); font-weight: 600; white-space: nowrap; }
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 1px 9px;
  border-radius: 999px;
  background: var(--red-tint);
  color: var(--red-deep);
  vertical-align: 2px;
  margin-left: 6px;
}

/* 아직 정하지 않은 자리: 눈에 띄게 */
.todo {
  background: #fff3b0;
  outline: 1.5px dashed var(--red);
  border-radius: 6px;
  padding: 0 4px;
  color: var(--ink);
}

footer {
  margin: 34px 0 40px;
  color: var(--ink-mute);
  font-size: 13px;
  text-align: center;
}
footer .brand-foot {
  display: block;
  height: 18px;
  width: auto;
  max-width: 100%;
  margin: 0 auto 10px;
}
footer p { margin: 4px 0; }
footer a { color: var(--ink-soft); }

@media (max-width: 600px) {
  main { --rhythm: 52px; }
  .intro { margin-top: 28px; }
  .intro-title { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .shot-list li { flex-basis: 38%; }
  .shot-list img { border-radius: 14px; }
}

@media (max-width: 420px) {
  .brand img { height: 20px; }
  .lang a, .lang span { padding: 4px 10px; }
  .toc ol { columns: 1; }
  .hero h1 { font-size: 23px; }
  .intro-title { font-size: 25px; }
  .app-intro { gap: 14px; }
  .app-icon { width: 72px; height: 72px; border-radius: 18px; }
  .app-name { font-size: 26px; }
  .privacy-line { font-size: 17px; }
}