/* studiyo — shared styles */

:root {
  --bg:        #fbfbf9;
  --surface:   #ffffff;
  --border:    #e6e4dd;
  --text:      #17181a;
  --text-dim:  #5f6368;
  --text-mute: #8b8f96;
  --accent:    #17181a;
  --radius:    18px;
  --maxw:      880px;

  --ttmaker:  #16AE67;
  --rolit:    #7B51EF;
  --furnifit: #158173;
  --spotnote: #E83328;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:       #0e0f11;
    --surface:  #17191c;
    --border:   #292c31;
    --text:     #f2f3f5;
    --text-dim: #a9aeb6;
    --text-mute:#767c85;
    --accent:   #f2f3f5;
  }
}
:root[data-theme="dark"] {
  --bg:       #0e0f11;
  --surface:  #17191c;
  --border:   #292c31;
  --text:     #f2f3f5;
  --text-dim: #a9aeb6;
  --text-mute:#767c85;
  --accent:   #f2f3f5;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Apple SD Gothic Neo",
               "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: inherit; }

/* ---------- header ---------- */

.site-head {
  padding: 28px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  font-weight: 800; font-size: 17px; letter-spacing: -0.02em;
  text-decoration: none;
}
.brand span { color: var(--text-mute); font-weight: 600; }
.nav { display: flex; gap: 18px; font-size: 14px; }
.nav a { color: var(--text-dim); text-decoration: none; }
.nav a:hover { color: var(--text); }

/* ---------- hero ---------- */

.hero { padding: 56px 0 64px; }
.hero h1 {
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.25;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 20px;
}
.hero p {
  font-size: clamp(16px, 2.4vw, 18px);
  color: var(--text-dim);
  max-width: 46em;
}
.hero .meta {
  margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  font-size: 13px; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 12px; background: var(--surface);
}

/* ---------- sections ---------- */

section { padding: 8px 0 56px; }
.sec-title {
  font-size: 13px; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--text-mute);
  margin-bottom: 22px;
}

/* ---------- app cards ---------- */

.apps { display: grid; gap: 16px; }

.app {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: start;
}
.app-icon {
  width: 52px; height: 52px; border-radius: 13px;
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 20px;
  background: var(--c, var(--text));
}
.app-icon svg { width: 30px; height: 30px; display: block; }
.app-head {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 4px;
}
.app-head h3 { font-size: 19px; font-weight: 750; letter-spacing: -0.02em; }
.badge {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.02em;
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-mute);
}
.badge.live { color: #fff; background: var(--c); border-color: transparent; }
.app-tagline { color: var(--text-dim); font-size: 15px; }
.app-desc { color: var(--text-dim); font-size: 14.5px; margin-top: 10px; }
.app-links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.store {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 650; text-decoration: none;
  padding: 8px 14px; border-radius: 10px;
  border: 1px solid var(--border); background: transparent; color: var(--text);
}
.store:hover { border-color: var(--text-mute); }
.store svg { width: 15px; height: 15px; fill: currentColor; }
.store.ghost { color: var(--text-mute); }

/* ---------- how ---------- */

.how { display: grid; gap: 14px; }
.how-item {
  border-left: 2px solid var(--border);
  padding: 2px 0 2px 18px;
}
.how-item h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 3px; }
.how-item p { color: var(--text-dim); font-size: 14.5px; }

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--border);
  margin-top: 24px; padding: 32px 0 56px;
  font-size: 14px; color: var(--text-dim);
  display: flex; flex-wrap: wrap; gap: 14px 24px;
  justify-content: space-between; align-items: baseline;
}
.site-foot a { color: var(--text-dim); }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- legal / document pages ---------- */

.doc { padding: 12px 0 72px; max-width: 720px; }
.doc h1 {
  font-size: clamp(26px, 5vw, 34px); font-weight: 800;
  letter-spacing: -0.03em; margin-bottom: 8px;
}
.doc .effective { color: var(--text-mute); font-size: 14px; margin-bottom: 36px; }
.doc h2 {
  font-size: 18px; font-weight: 750; letter-spacing: -0.02em;
  margin: 38px 0 12px; padding-top: 4px;
}
.doc h3 { font-size: 15.5px; font-weight: 700; margin: 22px 0 8px; }
.doc p, .doc li { color: var(--text-dim); font-size: 15px; }
.doc p { margin-bottom: 12px; }
.doc ul, .doc ol { margin: 0 0 14px 20px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--text); font-weight: 650; }
.doc a { color: var(--text); text-underline-offset: 3px; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 40px 0; }

.callout {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 18px; margin: 0 0 28px;
  font-size: 14.5px; color: var(--text-dim);
}

.table-wrap { overflow-x: auto; margin-bottom: 18px; }
table { border-collapse: collapse; width: 100%; min-width: 460px; font-size: 14.5px; }
th, td {
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--border); color: var(--text-dim);
}
th { color: var(--text); font-weight: 650; white-space: nowrap; }

.back {
  display: inline-block; margin-bottom: 28px;
  font-size: 14px; color: var(--text-mute); text-decoration: none;
}
.back:hover { color: var(--text); }

/* ---------- responsive ---------- */

@media (max-width: 560px) {
  .app { grid-template-columns: 44px 1fr; gap: 14px; padding: 20px; }
  .app-icon { width: 44px; height: 44px; border-radius: 11px; }
  .app-icon svg { width: 25px; height: 25px; }
  .hero { padding: 40px 0 48px; }
}

/* ============================================================
   v2 — 스케치 반영: 상단 바 / 중괄호 히어로 / 사업자 정보
   ============================================================ */

:root { --band: #ececea; --band-line: #dedbd4; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --band: #141619; --band-line: #24272c; }
}
:root[data-theme="dark"] { --band: #141619; --band-line: #24272c; }

/* ---------- 상단 바 ---------- */

.bar { border-bottom: 1px solid var(--band-line); background: var(--bg); }
.bar .wrap {
  max-width: 1080px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding-top: 22px; padding-bottom: 22px;
}
.logo {
  font-weight: 800; font-size: 23px; letter-spacing: -0.02em;
  text-decoration: none; color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.logo .br { color: var(--text-mute); font-weight: 700; }
.bar nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.bar nav a { color: var(--text-dim); text-decoration: none; white-space: nowrap; }
.bar nav a:hover { color: var(--text); }
.bar nav a.lang { color: var(--text-mute); font-size: 14px; }

/* ---------- 중괄호 히어로 ---------- */

.band {
  background: var(--band);
  border-bottom: 1px solid var(--band-line);
  padding: 76px 24px 72px;
  text-align: center;
}
.band .inner { max-width: 1080px; margin: 0 auto; }

.hero-line {
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.3; color: var(--text);
}

.hero-slot {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(18px, 5vw, 56px);
  margin: 6px 0;
}
.brace {
  font-size: clamp(56px, 11vw, 104px);
  font-weight: 300; line-height: 1;
  color: var(--text-mute);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  user-select: none;
}
.rotator {
  font-size: clamp(38px, 8.4vw, 76px);
  font-weight: 800; letter-spacing: -0.045em;
  line-height: 1.15; color: var(--text);
  min-width: 5.2em;
  transition: opacity .32s ease, transform .32s ease;
}
.rotator.out { opacity: 0; transform: translateY(-8px); }

.hero-sub {
  margin-top: 30px;
  font-size: clamp(15px, 2.2vw, 19px);
  color: var(--text-dim);
}
.hero-sub b { color: var(--text); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  .rotator { transition: none; }
}

/* ---------- 앱 섹션 ---------- */

.apps-section { padding: 64px 0 24px; }
.apps-section > h2 {
  text-align: center;
  font-size: clamp(19px, 3vw, 25px);
  font-weight: 750; letter-spacing: -0.03em;
  margin-bottom: 36px;
}
.apps-section .wrap-apps { max-width: 760px; margin: 0 auto; }

/* ---------- 사업자 정보 ---------- */

.biz {
  border-top: 1px solid var(--border);
  padding: 30px 0 14px;
  font-size: 13px; line-height: 1.85; color: var(--text-mute);
}
.biz dl {
  display: flex; flex-wrap: wrap; gap: 2px 22px; margin: 0;
}
.biz div { display: flex; gap: 7px; }
.biz dt { font-weight: 600; color: var(--text-mute); }
.biz dd { margin: 0; }
.biz .todo { color: #c2410c; font-weight: 600; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .biz .todo { color: #fb923c; }
}

@media (max-width: 560px) {
  .bar .wrap { padding-top: 16px; padding-bottom: 16px; gap: 12px; }
  .bar nav { gap: 15px; font-size: 13.5px; }
  .logo { font-size: 20px; }
  .band { padding: 52px 20px 48px; }
  .hero-slot { gap: 10px; }
  .rotator { min-width: 4.6em; }
  .apps-section { padding: 44px 0 16px; }
  .biz dl { flex-direction: column; gap: 1px; }
}

/* ---------- 실제 앱 아이콘 ---------- */
.app-icon { background: none; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); position: relative; }
.app-icon img { width: 100%; height: 100%; display: block; border-radius: inherit; }
.app-icon::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(0,0,0,.09); pointer-events: none; }

/* ---------- 로고 이미지 (마스크라 글자색을 따라가 다크 모드에서 자동 반전) ---------- */
.logo { display: inline-flex; align-items: center; line-height: 0; }
.logo-mark {
  display: block; height: 28px; aspect-ratio: 1024 / 519;
  background: var(--text);
  -webkit-mask: url(/assets/logo.png) center / contain no-repeat;
          mask: url(/assets/logo.png) center / contain no-repeat;
}
@media (max-width: 560px) { .logo-mark { height: 24px; } }

/* ============================================================
   v3 — ttmaker 톤: 회색 그라디언트 · 알약 버튼
   ============================================================ */

:root {
  --grad-band:  linear-gradient(135deg, #f4f4f2 0%, #ebebe9 55%, #dfdfdc 100%);
  --grad-card:  linear-gradient(180deg, #ffffff 0%, #f7f7f5 100%);
  --grad-pill:  linear-gradient(180deg, #f6f6f4 0%, #e9e9e6 100%);
  --grad-pill-hover: linear-gradient(180deg, #f1f1ef 0%, #e2e2df 100%);
  --shadow-pill: 0 1px 2px rgba(0,0,0,.07), 0 3px 8px rgba(0,0,0,.05);
  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --grad-band:  linear-gradient(135deg, #1b1d21 0%, #15171a 55%, #101114 100%);
    --grad-card:  linear-gradient(180deg, #1b1d21 0%, #16181b 100%);
    --grad-pill:  linear-gradient(180deg, #2c2f35 0%, #23262b 100%);
    --grad-pill-hover: linear-gradient(180deg, #33363d 0%, #282b31 100%);
    --shadow-pill: 0 1px 2px rgba(0,0,0,.4), 0 3px 8px rgba(0,0,0,.25);
    --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.2);
  }
}
:root[data-theme="dark"] {
  --grad-band:  linear-gradient(135deg, #1b1d21 0%, #15171a 55%, #101114 100%);
  --grad-card:  linear-gradient(180deg, #1b1d21 0%, #16181b 100%);
  --grad-pill:  linear-gradient(180deg, #2c2f35 0%, #23262b 100%);
  --grad-pill-hover: linear-gradient(180deg, #33363d 0%, #282b31 100%);
  --shadow-pill: 0 1px 2px rgba(0,0,0,.4), 0 3px 8px rgba(0,0,0,.25);
  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.2);
}

/* 그라디언트는 세 군데만: 히어로 밴드, 카드 면, 알약 버튼 */
.band { background: var(--grad-band); }

.app {
  background: var(--grad-card);
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

/* 알약 버튼 — 테두리 없이 면과 음영으로 */
.store {
  border: 0;
  border-radius: 999px;
  padding: 9px 17px;
  background: var(--grad-pill);
  box-shadow: var(--shadow-pill);
  transition: transform .15s ease, background .15s ease;
}
.store:hover { background: var(--grad-pill-hover); transform: translateY(-1px); }
.store:active { transform: translateY(0); }
.store.ghost { color: var(--text-dim); }

.badge { border: 0; }
.badge:not(.live) { background: var(--grad-pill); }

.callout {
  background: var(--grad-card);
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

@media (prefers-reduced-motion: reduce) { .store { transition: none; } .store:hover { transform: none; } }

/* ============================================================
   v4 — 버튼 평면화 + 보완 10가지
   ============================================================ */

body { font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
       "Apple SD Gothic Neo", "Segoe UI", "Noto Sans KR", sans-serif; }

:root { --pill: #ededeb; --pill-hover: #e1e1de; --bar-bg: rgba(251,251,249,.78); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --pill: #26292e; --pill-hover: #31353b; --bar-bg: rgba(14,15,17,.72); }
}
:root[data-theme="dark"] { --pill: #26292e; --pill-hover: #31353b; --bar-bg: rgba(14,15,17,.72); }

/* 버튼: 그라디언트·그림자·떠오름 없이, 올리면 면만 조금 진해진다 */
.store {
  background: var(--pill); box-shadow: none;
  transition: background .15s ease;
}
.store:hover, .store:active { background: var(--pill-hover); transform: none; }
.badge:not(.live) { background: var(--pill); }

/* 7. 상단 바 고정 */
.bar {
  position: sticky; top: 0; z-index: 20;
  background: var(--bar-bg);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
          backdrop-filter: saturate(160%) blur(14px);
}
html { scroll-padding-top: 84px; }

/* 1. 히어로 중괄호를 로고의 괄호 모양으로 */
.brace {
  display: block; flex: none;
  height: clamp(74px, 14vw, 132px); aspect-ratio: 140 / 400;
  background: var(--text);
  font-size: 0;
}
.brace-l { -webkit-mask: url(/assets/brace-l.png) center / contain no-repeat; mask: url(/assets/brace-l.png) center / contain no-repeat; }
.brace-r { -webkit-mask: url(/assets/brace-r.png) center / contain no-repeat; mask: url(/assets/brace-r.png) center / contain no-repeat; }

/* 2·3·4. 카드 2열, 한 줄 소개만, 앱 색을 한쪽 모서리에 옅게 */
.apps-section .wrap-apps { max-width: 1000px; }
.app {
  background:
    radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--c) 9%, transparent) 0%, transparent 60%),
    var(--grad-card);
  padding: 26px;
}
.app-tagline { font-size: 15.5px; line-height: 1.55; }
.app-links { margin-top: 18px; }
@media (min-width: 860px) {
  .apps-section .apps { grid-template-columns: 1fr 1fr; gap: 18px; }
  .apps-section .app { align-content: start; }
}

/* 6. 스크롤 등장 */
.reveal-on .reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal-on .reveal.in { opacity: 1; transform: none; }

/* 8. 사업자 정보 정렬 */
.biz dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3px 32px; }
.biz div { display: grid; grid-template-columns: 9.5em 1fr; gap: 0; }
.biz dt { font-weight: 600; }
.biz dd { color: var(--text-dim); }
:lang(en) .biz div { grid-template-columns: 15em 1fr; }
@media (max-width: 700px) {
  .biz dl { grid-template-columns: 1fr; }
  .biz div, :lang(en) .biz div { grid-template-columns: 9.5em 1fr; }
}

/* 10. 지원·방침 페이지도 같은 톤 */
.doc { margin: 0 auto; padding-top: 44px; }
.table-wrap {
  background: var(--grad-card); border-radius: 16px;
  box-shadow: var(--shadow-card); padding: 6px 8px;
}
.table-wrap tr:last-child td { border-bottom: 0; }
.doc h2 { padding-top: 22px; border-top: 1px solid var(--border); }
.doc h1 + .effective + h2, .doc .callout + h2 { border-top: 0; padding-top: 4px; }
.back {
  background: var(--pill); border-radius: 999px; padding: 7px 14px;
  color: var(--text-dim); transition: background .15s ease;
}
.back:hover { background: var(--pill-hover); }
.doc .apps .app { transition: background-color .15s ease; }

/* 카드 안 배치: 버튼 줄은 아이콘 아래까지 카드 폭을 다 쓴다 (세 개가 한 줄에 들어가도록) */
.apps-section .app { column-gap: 16px; row-gap: 3px; align-items: center; }
.apps-section .app > div:last-child { display: contents; }
.apps-section .app-icon { grid-row: 1 / span 2; align-self: center; }
.apps-section .app-head { grid-column: 2; margin-bottom: 0; align-self: end; }
.apps-section .app-tagline { grid-column: 2; align-self: start; }
.apps-section .app-links { grid-column: 1 / -1; margin-top: 18px; }

/* 앱 격자가 있는 페이지는 본문 폭을 넓혀 카드 한 장에 버튼 세 개가 한 줄로 들어가게 */
.wrap:has(.apps-section) { max-width: 1080px; }

/* 방침 목록의 앱 카드: 랜딩 카드와 같은 정렬 (문서용 h3 여백이 끼어들어 어긋나던 것 제거) */
.doc .apps { gap: 14px; }
.doc .apps .app { align-items: center; padding: 20px 22px; column-gap: 16px; }
.doc .apps .app-head { margin: 0; }
.doc .apps .app-head h3 { margin: 0; font-size: 18px; }
.doc .apps .app-tagline { margin-top: 2px; font-size: 14.5px; }
.doc .apps .app:hover { background-color: var(--pill); }
@media (min-width: 700px) { .doc .apps { grid-template-columns: 1fr 1fr; } }

/* 히어로 괄호와 글씨 맞춤: 괄호 높이를 글자 크기에 묶고(로고의 비율과 같게), 간격을 좁힌다 */
.hero-slot { font-size: clamp(38px, 8.4vw, 76px); gap: .3em; margin: .12em 0; }
.hero-slot .rotator { font-size: 1em; min-width: 4.5em; line-height: 1.2; }
.hero-slot .brace { font-size: 1em; height: 1.4em; }
@media (max-width: 560px) { .hero-slot { gap: .2em; } .hero-slot .rotator { min-width: 4.3em; } }