/* 온담 세무회계 — 블루그레이, 숫자 강조 (P6 신뢰 근거 + 상담) */
:root {
  --ink: #1C2830; --sub: #55656F; --bg: #FFFFFF; --tint: #EEF2F4; --line: #D6DEE2;
  --blue: #34526A; --blue-d: #22394B; --steel: #8FA4B2;
  --sans: 'IBM Plex Sans KR', -apple-system, 'Malgun Gothic', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.7 var(--sans); word-break: keep-all; overflow-wrap: break-word; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.3; letter-spacing: -0.02em; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* 버튼 */
.btn { white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1.5px solid var(--blue-d); border-radius: 4px; background: var(--blue-d); color: #fff; font: 600 15px/1 var(--sans); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--blue); }
.btn--ghost { background: transparent; color: var(--blue-d); }
.btn--ghost:hover { background: var(--tint); }
.btn--sm { min-height: 38px; padding: 0 16px; font-size: 14px; }
.btn--light { background: #fff; color: var(--blue-d); border-color: #fff; font-family: var(--mono); font-size: 17px; }
.btn--light:hover { background: var(--tint); }
.btn--line { background: transparent; border-color: rgba(255,255,255,.5); }
.btn--line:hover { background: rgba(255,255,255,.08); }

/* 헤더 */
.hd { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.hd__in { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: baseline; gap: 6px; text-decoration: none; }
.logo__mark { font-weight: 700; font-size: 22px; color: var(--blue-d); letter-spacing: -0.03em; }
.logo__sub { font-size: 14px; color: var(--sub); }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 15px; color: var(--sub); }
.nav a:hover { color: var(--ink); }

/* 히어로 */
.hero { padding: 64px 0 56px; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { margin: 0 0 18px; font-size: 14px; font-weight: 500; color: var(--blue); }
.hero h1 { font-size: 46px; font-weight: 700; }
.lead { margin: 22px 0 30px; font-size: 17px; color: var(--sub); max-width: 34em; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.figs { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0; margin: 40px 0 0; border-top: 1px solid var(--line); padding-top: 22px; }
.figs div { padding-right: 32px; margin-right: 32px; border-right: 1px solid var(--line); }
.figs div:last-child { border: 0; margin: 0; padding: 0; }
.figs dt { font-size: 13px; color: var(--sub); }
.figs dd { margin: 4px 0 0; font-size: 15px; color: var(--sub); }
.figs b { font: 600 32px/1.1 var(--mono); color: var(--blue-d); letter-spacing: -0.03em; }
.hero__photo { position: relative; margin: 0; }
.hero__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; filter: saturate(.85); }
.due { position: absolute; left: -32px; bottom: 32px; display: grid; gap: 2px; padding: 18px 22px; background: #fff; border-left: 4px solid var(--blue); box-shadow: 0 10px 30px rgba(28,40,48,.14); }
.due__label { font-size: 13px; color: var(--sub); }
.due__d { font: 600 34px/1.1 var(--mono); color: var(--blue-d); }
.due__what { font-size: 14px; font-weight: 500; }

/* 공지 */
.notice { width: calc(100% - 48px); max-width: 1112px; padding-left: 0 !important; padding-right: 0 !important; display: flex; align-items: baseline; gap: 16px; padding-top: 18px; padding-bottom: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.notice p { margin: 0; font-size: 15px; color: var(--sub); }
.tag { flex: none; font: 600 12px/1 var(--mono); padding: 6px 8px; background: var(--tint); color: var(--blue-d); border-radius: 2px; }

/* 섹션 공통 */
.sec { padding: 96px 0; }
.sec--tint { background: var(--tint); }
.sec__head { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: end; margin-bottom: 48px; }
.sec__head h2, .sec h2 { font-size: 32px; font-weight: 700; }
.sec__head p { margin: 0; color: var(--sub); }

/* 업무 분야 — 표처럼 정돈된 2열 목록 */
.work { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; border-top: 2px solid var(--ink); }
.work li { display: grid; grid-template-columns: 52px 1fr; column-gap: 8px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.work__no { grid-row: span 2; font: 600 15px/1.9 var(--mono); color: var(--steel); }
.work h3 { font-size: 20px; font-weight: 600; }
.work p { margin: 6px 0 0; font-size: 15px; color: var(--sub); }

/* 세무 일정 */
.cal { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
.cal__intro p { margin: 14px 0 28px; color: var(--sub); }
.cal__intro img { aspect-ratio: 3 / 2; object-fit: cover; border-radius: 4px; filter: saturate(.85); }
.cal__list { list-style: none; margin: 0; padding: 0; background: #fff; border-radius: 4px; }
.cal__list li { display: grid; grid-template-columns: 92px 28px 1fr; align-items: baseline; gap: 8px; padding: 22px 28px; border-bottom: 1px solid var(--line); }
.cal__list li:last-child { border: 0; }
.cal__list time { font: 600 26px/1 var(--mono); color: var(--blue-d); letter-spacing: -0.03em; }
.cal__dow { font-size: 14px; color: var(--sub); }
.cal__list b { display: block; font-weight: 600; }
.cal__list small { display: block; margin-top: 2px; font-size: 14px; color: var(--sub); }

/* 질문·답변 — 대화 형식 */
.chat { display: grid; gap: 14px; max-width: 820px; margin-left: auto; }
.chat p { margin: 0; padding: 18px 22px; border-radius: 4px; font-size: 16px; }
.chat__q { justify-self: start; max-width: 80%; background: var(--tint); font-weight: 500; }
.chat__q::before { content: "Q. "; font-family: var(--mono); color: var(--blue); }
.chat__a { justify-self: end; max-width: 88%; background: var(--blue-d); color: #fff; margin-bottom: 18px !important; }
.chat__a::before { content: "A. "; font-family: var(--mono); color: var(--steel); }

/* 검토 단계 */
.sec--dark { background: var(--blue-d); color: #fff; }
.way { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 64px; align-items: center; }
.way h2 { grid-column: 1; }
.way__steps { grid-column: 1; list-style: none; margin: 16px 0 0; padding: 0; counter-reset: s; }
.way__steps li { counter-increment: s; display: grid; grid-template-columns: 48px 120px 1fr; align-items: baseline; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.way__steps li::before { content: "0" counter(s); font: 600 14px/1 var(--mono); color: var(--steel); }
.way__steps b { font-size: 18px; font-weight: 600; }
.way__steps span { color: rgba(255,255,255,.75); font-size: 15px; }
.way__img { grid-column: 2; grid-row: 1 / span 2; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 4px; opacity: .92; }

/* 오시는 길 */
.visit { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.addr { margin: 20px 0 22px; font-size: 19px; font-weight: 500; }
.addr small { font-size: 15px; font-weight: 400; color: var(--sub); }
.visit__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.park { margin: 22px 0 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: 15px; color: var(--sub); }
.hours { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.hours th, .hours td { padding: 15px 0; border-bottom: 1px solid var(--line); text-align: left; }
.hours th { width: 90px; font-weight: 500; color: var(--sub); }
.hours td { font: 500 18px/1.4 var(--mono); }
.hours td.ko { font: 500 16px/1.4 var(--sans); }
.hours td small { font: 400 13px var(--sans); color: var(--sub); margin-left: 6px; }
.reach { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 8px; }
.reach li { display: grid; grid-template-columns: 56px 1fr; font-size: 16px; }
.reach span { color: var(--sub); font-size: 14px; }
.reach a { font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--line); justify-self: start; }

/* 마무리 */
.cta { background: var(--ink); color: #fff; padding: 56px 0; }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta p { margin: 0; font-size: 24px; font-weight: 600; }
.ft { padding: 36px 0 40px; font-size: 13px; color: var(--sub); background: var(--tint); }
.ft p { margin: 0 0 4px; }
.nw { white-space: nowrap; }
.dock { display: none; }

/* 태블릿 */
@media (max-width: 960px) {
  .nav { display: none; }
  .hd__in { justify-content: space-between; }
  .hero__grid, .cal, .visit, .way { grid-template-columns: 1fr; gap: 40px; }
  .hero__photo { order: -1; }
  .hero__photo img { aspect-ratio: 16 / 10; }
  .due { position: relative; left: auto; bottom: auto; width: fit-content; margin: -44px 0 0 16px; }
  .hero__text { padding-top: 24px; }
  .way__img { grid-column: 1; grid-row: auto; }
  .sec__head { grid-template-columns: 1fr; gap: 12px; }
  .chat { margin-left: 0; }
}

/* 모바일 */
@media (max-width: 640px) {
  body { font-size: 15.5px; padding-bottom: 64px; }
  .wrap { padding: 0 20px; }
  .hd__in { height: 58px; }
  .hero { padding: 20px 0 44px; }
  .hero h1 { font-size: 31px; }
  .lead { font-size: 16px; margin: 16px 0 24px; }
  .hero__btns .btn { flex: 1 1 100%; }
  .figs { grid-template-columns: repeat(3, 1fr); margin-top: 30px; }
  .figs div { padding-right: 10px; margin-right: 10px; }
  .figs b { font-size: 24px; }
  .figs dd { font-size: 13px; }
  .due { position: relative; left: auto; bottom: auto; width: fit-content; margin: -36px 0 0 12px; padding: 12px 16px; }
  .due__d { font-size: 26px; }
  .notice { flex-direction: column; gap: 8px; width: calc(100% - 40px); padding-top: 18px; padding-bottom: 18px; }
  .sec { padding: 64px 0; }
  .sec__head h2, .sec h2 { font-size: 26px; }
  .sec__head { margin-bottom: 28px; }
  .work { grid-template-columns: 1fr; }
  .work li { grid-template-columns: 40px 1fr; padding: 20px 0; }
  .work h3 { font-size: 18px; }
  .cal__list li { grid-template-columns: 70px 22px 1fr; padding: 18px; gap: 6px; }
  .cal__list time { font-size: 20px; }
  .chat__q, .chat__a { max-width: 100% !important; }
  .way__steps li { grid-template-columns: 36px 80px 1fr; }
  .way__steps b { font-size: 16px; }
  .way__steps span { font-size: 14px; }
  .cta p { font-size: 20px; }
  .cta__btns { width: 100%; }
  .cta .btn { flex: 1 1 auto; }
  .dock { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: repeat(3, 1fr); background: var(--blue-d); box-shadow: 0 -4px 16px rgba(0,0,0,.15); }
  .dock a { display: flex; align-items: center; justify-content: center; height: 58px; color: #fff; font-weight: 600; font-size: 15px; text-decoration: none; border-right: 1px solid rgba(255,255,255,.15); }
  .dock a:last-child { border: 0; }
}