/*
 * 그루 홈 — 사이트 스타일.
 * 값은 전부 디자인 시스템 토큰(css/tokens*.css, scripts/sync_design.sh 가 생성)을 var() 로 부른다.
 * 새 색 · 크기를 여기서 정하지 않는다. 필요하면 groo-design 에서 정한 뒤 가져온다.
 * 서비스 쪽 색(이음 = .theme-hr, 담다 = .theme-desk)은 body 나 섹션에 클래스만 얹는다.
 */
:root {
  --page-max: 1120px;
  --section-y: calc(var(--spacing-x16) * 2);
  --accent: var(--color-bg-neutral-inverted);
  --on-accent: var(--color-fg-neutral-inverted);
  --accent-text: var(--color-fg-neutral);
}
.theme-hr, .theme-desk {
  --accent: var(--color-bg-brand-solid);
  --on-accent: var(--color-static-white);
  --accent-text: var(--color-fg-brand-contrast);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg-layer-default);
  color: var(--color-fg-neutral);
  font-family: var(--font-sans);
  font-size: var(--text-body-lg);
  line-height: var(--text-body-lg--line-height);
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-stroke-focus-ring, var(--color-fg-neutral)); outline-offset: 3px; border-radius: var(--radius-sm); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p { margin: 0; }
.wrap { max-width: var(--page-max); margin: 0 auto; padding: 0 var(--spacing-x8); }
.sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* 글자 — 역할 토큰 */
.display-xl { font-size: var(--text-display-xl); line-height: var(--text-display-xl--line-height); font-weight: var(--text-display-xl--font-weight); letter-spacing: var(--text-display-xl--letter-spacing); text-wrap: balance; }
.display-lg { font-size: var(--text-display-lg); line-height: var(--text-display-lg--line-height); font-weight: var(--text-display-lg--font-weight); letter-spacing: var(--text-display-lg--letter-spacing); text-wrap: balance; }
.display-md { font-size: var(--text-display-md); line-height: var(--text-display-md--line-height); font-weight: var(--text-display-md--font-weight); letter-spacing: var(--text-display-md--letter-spacing); text-wrap: balance; }
.display-sm { font-size: var(--text-display-sm); line-height: var(--text-display-sm--line-height); font-weight: var(--text-display-sm--font-weight); text-wrap: balance; }
.title-lg { font-size: var(--text-title-lg); line-height: var(--text-title-lg--line-height); font-weight: var(--text-title-lg--font-weight); }
.title-md { font-size: var(--text-title-md); line-height: var(--text-title-md--line-height); font-weight: var(--text-title-md--font-weight); }
.lead { font-size: var(--text-title-lg); line-height: 1.6; color: var(--color-fg-neutral-muted); max-width: 40ch; }
.muted { color: var(--color-fg-neutral-muted); }
.eyebrow { font-size: var(--text-label-md); line-height: var(--text-label-md--line-height); font-weight: 700; color: var(--accent-text); margin-bottom: var(--spacing-x3); display: block; }

/* 위 막대 */
nav.top { position: sticky; top: 0; z-index: var(--z-sticky, 20); background: color-mix(in srgb, var(--color-bg-layer-default) 90%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
nav.top.scrolled { border-color: var(--color-stroke-neutral-weak); }
nav.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: var(--spacing-x2_5, 10px); font-weight: 800; font-size: var(--text-title-lg); letter-spacing: -.01em; }
.logo img { height: 30px; width: auto; }
nav.top ul { display: flex; gap: var(--spacing-x8); list-style: none; margin: 0; padding: 0; font-size: var(--text-body-md); font-weight: 500; color: var(--color-fg-neutral-muted); }
nav.top ul a:hover, nav.top ul a[aria-current="page"] { color: var(--color-fg-neutral); }
.nav-cta { font-size: var(--text-label-md); font-weight: 700; padding: var(--spacing-x2) var(--spacing-x4); border-radius: var(--radius-md); background: var(--accent); color: var(--on-accent); }

/* 버튼 */
.btns { display: flex; gap: var(--spacing-x3); flex-wrap: wrap; margin-top: var(--spacing-x8); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 var(--spacing-x6); border-radius: var(--radius-lg); font-weight: 700; font-size: var(--text-body-lg); transition: opacity .15s ease, transform .15s ease; }
.btn:hover { opacity: .9; transform: translateY(-1px); }
.btn-solid { background: var(--accent); color: var(--on-accent); }
.btn-weak { background: var(--color-bg-neutral-weak); color: var(--color-fg-neutral); }
.link { font-weight: 700; color: var(--accent-text); display: inline-flex; gap: var(--spacing-x1); align-items: center; }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* 구역 */
section { padding: var(--section-y) 0; }
section.tight { padding: var(--spacing-x16) 0; }
section.alt { background: var(--color-bg-layer-basement); }
.section-head { margin-bottom: var(--spacing-x12); max-width: 720px; }
.section-head .sub { margin-top: var(--spacing-x4); color: var(--color-fg-neutral-muted); font-size: var(--text-title-md); font-weight: 400; max-width: 44ch; }

/* 첫 화면 */
.hero { padding: calc(var(--spacing-x16) * 2) 0 0; }
.hero .mark { height: 72px; width: auto; margin-bottom: var(--spacing-x8); }
.hero h1 { max-width: 14ch; }
.hero .lead { margin-top: var(--spacing-x6); }
.hero-visual { margin-top: var(--spacing-x16); position: relative; }
.hero-visual .phone { position: absolute; right: var(--spacing-x6); bottom: calc(var(--spacing-x8) * -1); width: 200px; }

/* 화면 틀 */
.frame { border: 1px solid var(--color-stroke-neutral-weak); border-radius: var(--radius-xl); overflow: hidden; background: var(--color-bg-layer-default); }
.frame .bar { height: 32px; background: var(--color-bg-neutral-weak); display: flex; align-items: center; gap: 6px; padding: 0 var(--spacing-x4); border-bottom: 1px solid var(--color-stroke-neutral-weak); }
.frame .bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--color-stroke-neutral-weak); display: block; }
.frame .bar span { margin-left: var(--spacing-x3); font-size: var(--text-caption); color: var(--color-fg-neutral-subtle); }
.phone { border: 1px solid var(--color-stroke-neutral-weak); border-radius: var(--radius-2xl); overflow: hidden; background: var(--color-bg-layer-default); }

/* 큰 문장 */
.statement p { font-size: var(--text-display-sm); line-height: 1.6; font-weight: 600; max-width: 46ch; }
.statement p + p { margin-top: var(--spacing-x6); color: var(--color-fg-neutral-muted); font-weight: 400; font-size: var(--text-title-lg); max-width: 40ch; }

/* 서비스 카드 */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-x5); }
.card { border-radius: var(--radius-2xl); padding: var(--spacing-x10); background: var(--color-bg-brand-weak); display: flex; flex-direction: column; gap: var(--spacing-x4); min-height: 340px; transition: transform .2s ease; }
a.card:hover { transform: translateY(-3px); }
.card .tag { font-size: var(--text-label-md); font-weight: 700; color: var(--accent-text); }
.card h3 { font-size: var(--text-display-md); line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }
.card p { color: var(--color-fg-neutral-muted); max-width: 32ch; }
.card .link { margin-top: auto; }
.card.next { background: transparent; border: 1px dashed var(--color-stroke-neutral-solid, var(--color-border-strong)); grid-column: 1 / -1; min-height: 0; padding: var(--spacing-x8) var(--spacing-x10); flex-direction: row; align-items: center; justify-content: space-between; gap: var(--spacing-x6); }
.card.next h3 { font-size: var(--text-title-lg); }
.card.next p { max-width: 52ch; }

/* 세 가지 */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-x5); }
.trio > div { background: var(--color-bg-layer-default); border-radius: var(--radius-xl); padding: var(--spacing-x8); }
.alt .trio > div { background: var(--color-bg-layer-default); }
section:not(.alt) .trio > div { background: var(--color-bg-neutral-weak); }
.trio small { display: block; font-size: var(--text-label-md); font-weight: 700; color: var(--accent-text); margin-bottom: var(--spacing-x3); letter-spacing: .04em; }
.trio b { display: block; font-size: var(--text-title-lg); line-height: 1.4; margin-bottom: var(--spacing-x2); }
.trio p { color: var(--color-fg-neutral-muted); }

/* 기능 줄 */
.feat { display: grid; grid-template-columns: 1fr 1.25fr; gap: var(--spacing-x16); align-items: center; padding: calc(var(--spacing-x16) * 1.25) 0; }
.feat.flip .copy { order: 2; }
.feat h2 { font-size: var(--text-display-md); line-height: 1.25; font-weight: 700; letter-spacing: -.02em; margin-bottom: var(--spacing-x4); text-wrap: balance; }
.feat .sub { color: var(--color-fg-neutral-muted); margin-bottom: var(--spacing-x5); }
.pts { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--spacing-x2_5, 10px); }
.pts li { padding-left: var(--spacing-x6); position: relative; color: var(--color-fg-neutral-muted); }
.pts li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.feat .visual { position: relative; }
.feat .visual .phone { position: absolute; right: calc(var(--spacing-x5) * -1); bottom: calc(var(--spacing-x8) * -1); width: 170px; }

/* 맺음 */
.end { text-align: center; }
.end .btns { justify-content: center; }
.end h2 { margin: 0 auto; max-width: 720px; }
.center-head { text-align: center; margin-left: auto; margin-right: auto; }
.center-head .sub { margin-left: auto; margin-right: auto; }

/* 바닥 — groo-design Footer 스펙(specs/components/footer.md) 짜임 */
footer { border-top: 1px solid var(--color-stroke-neutral-weak); }
footer .ft { max-width: 1040px; margin: 0 auto; padding: var(--spacing-x10) var(--spacing-x8); display: flex; flex-direction: column; gap: var(--spacing-x10); }
footer .ft-nav { display: flex; flex-wrap: wrap; gap: var(--spacing-x8); align-items: flex-start; }
footer .ft-brand { flex: 1; min-width: 120px; display: flex; flex-direction: column; gap: var(--spacing-x2); }
footer .ft-brand p { font-size: var(--text-t3); line-height: var(--text-t3--line-height); color: var(--color-fg-neutral-subtle); max-width: 40ch; }
footer .ft-map { display: flex; flex-wrap: wrap; gap: var(--spacing-x8); }
footer .ft-col { min-width: 100px; display: flex; flex-direction: column; gap: var(--spacing-x4); }
footer .ft-h { font-size: var(--text-t3); line-height: var(--text-t3--line-height); font-weight: 500; color: var(--color-fg-neutral-muted); }
footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--spacing-x4); }
footer .ft-col a { font-size: var(--text-t5); line-height: 22px; font-weight: 500; transition: color .15s ease; }
footer .ft-col a:hover { color: var(--color-fg-neutral-subtle); }
footer .ft-info { display: flex; flex-direction: column; gap: var(--spacing-x4); padding-top: var(--spacing-x10); border-top: 1px solid var(--color-stroke-neutral-weak); }
footer .ft-policy a { display: inline-flex; align-items: center; gap: var(--spacing-x1); font-size: var(--text-t4); line-height: var(--text-t4--line-height); font-weight: 500; color: var(--color-fg-neutral-muted); }
footer .ft-policy svg { width: 12px; height: 12px; flex: none; }
footer .ft-note { font-size: var(--text-t3); line-height: var(--text-t3--line-height); color: var(--color-fg-neutral-subtle); }
footer .ft-copy { font-size: var(--text-t4); line-height: var(--text-t4--line-height); font-weight: 500; color: var(--color-fg-neutral-muted); }
@media (max-width: 1279px) { footer .ft { padding: var(--spacing-x10) var(--spacing-x6); } }

/* 나타나기 */
.rv { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } .btn, a.card { transition: none; } }

@media (max-width: 960px) {
  :root { --section-y: calc(var(--spacing-x16) * 1.25); }
  nav.top ul { display: none; }
  .hero { padding-top: var(--spacing-x16); }
  .hero .mark { height: 56px; }
  .display-xl { font-size: var(--text-display-lg); line-height: var(--text-display-lg--line-height); letter-spacing: var(--text-display-lg--letter-spacing); }
  .display-lg, .feat h2 { font-size: var(--text-display-md); line-height: var(--text-display-md--line-height); }
  .statement p { font-size: var(--text-title-lg); }
  .statement p + p { font-size: var(--text-title-md); }
  .cards, .trio { grid-template-columns: 1fr; }
  .card { padding: var(--spacing-x8) var(--spacing-x6); min-height: 280px; }
  .card.next { flex-direction: column; align-items: flex-start; padding: var(--spacing-x6); }
  .feat { grid-template-columns: 1fr; gap: var(--spacing-x10); padding: var(--spacing-x16) 0; }
  .feat.flip .copy { order: 0; }
  .hero-visual .phone, .feat .visual .phone { display: none; }
  .wrap { padding: 0 var(--spacing-x6); }
}

/* 그루 이야기 — 굵은 첫 문장 + 사진 띠 */
.statement p b { color: var(--color-fg-neutral); font-weight: 700; }
.statement p:first-of-type { color: var(--color-fg-neutral-subtle); font-weight: 500; }
.statement p:first-of-type b { color: var(--color-fg-neutral); }
.strip { overflow-x: auto; scrollbar-width: none; padding: var(--spacing-x4) 0 var(--section-y); }
.strip::-webkit-scrollbar { display: none; }
.strip-track { display: flex; align-items: center; justify-content: center; gap: var(--spacing-x4); width: max-content; min-width: 100%; padding: 0 var(--spacing-x8); margin: 0 auto; }
.strip img { width: 230px; height: 230px; object-fit: cover; border-radius: var(--radius-xl); flex: none; }
.strip img.tall { height: 320px; }

/* 서비스 줄 — 큰 사진 + 설명 */
.svc-list { display: grid; gap: 0; }
.svc { display: grid; grid-template-columns: 1fr 1.15fr; gap: var(--spacing-x16); align-items: stretch; padding: var(--spacing-x16) 0; border-top: 1px solid var(--color-stroke-neutral-weak); }
.svc:first-child { border-top: 0; padding-top: 0; }
.svc.flip .copy { order: 2; }
.svc .copy { display: flex; flex-direction: column; justify-content: space-between; gap: var(--spacing-x4); }
.svc .tile { width: 56px; height: 56px; border-radius: var(--radius-lg); border: 1px solid var(--color-stroke-neutral-weak); background: var(--color-bg-brand-weak, var(--color-bg-neutral-weak)); display: grid; place-items: center; }
.svc .tile img { height: 28px; width: auto; }
.svc .tag { font-size: var(--text-label-md); font-weight: 700; color: var(--accent-text); margin-top: auto; }
.svc h3 { font-size: var(--text-display-md); line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }
.svc h3 a:hover { text-decoration: underline; text-underline-offset: 6px; }
.svc .desc { color: var(--color-fg-neutral-muted); max-width: 46ch; }
.svc .chips { list-style: none; margin: var(--spacing-x2) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--spacing-x2); }
.svc .chips li { font-size: var(--text-label-md); font-weight: 500; padding: var(--spacing-x1_5, 6px) var(--spacing-x3); border-radius: var(--radius-full); background: var(--color-bg-brand-weak, var(--color-bg-neutral-weak)); color: var(--accent-text); }
.svc .photo { display: block; border-radius: var(--radius-r6, 24px); overflow: hidden; min-height: 360px; background: var(--color-bg-neutral-weak); }
.svc .photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
a.photo:hover img { transform: scale(1.03); }
.svc.next { --accent-text: var(--color-fg-neutral-muted); }
.svc.next .tile { background: var(--color-bg-neutral-weak); }
@media (prefers-reduced-motion: reduce) { .svc .photo img { transition: none; } }
@media (max-width: 960px) {
  .strip-track { justify-content: flex-start; }
  .strip img { width: 170px; height: 170px; } .strip img.tall { height: 240px; }
  .svc { grid-template-columns: 1fr; gap: var(--spacing-x8); padding: var(--spacing-x10) 0; }
  .svc.flip .copy { order: 0; }
  .svc .photo { min-height: 0; width: 100%; aspect-ratio: 16 / 10; order: -1; }
  .svc .tag { margin-top: 0; }
}
.svc > * { min-width: 0; }
.svc .photo img { display: block; }