/* 선과면 건축사사무소 — 건축사사무소 (P5 텍스트 프로젝트 인덱스) · 흑백 미니멀, 큰 여백 */
:root {
  --ink: #111111;
  --mid: #6B6B6B;
  --hair: #D9D9D6;
  --bg: #FAFAF8;
  --pad: clamp(18px, 6vw, 88px);
  --serif: 'Hahmlet', 'Noto Serif KR', serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 300 15.5px/1.85 'Noto Sans KR', -apple-system, 'Malgun Gothic', sans-serif; word-break: keep-all; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 300; letter-spacing: -0.03em; }
figure { margin: 0; }

/* 머리 */
.mast { display: flex; justify-content: space-between; align-items: baseline; padding: 28px var(--pad); }
.mast__name { font-family: var(--serif); font-weight: 600; font-size: 19px; letter-spacing: -0.02em; }
.mast__name span { font-weight: 300; margin-left: 6px; color: var(--mid); font-size: 14px; }
.mast__nav { display: flex; gap: 28px; font-size: 14px; }
.mast__nav a { color: var(--mid); }
.mast__nav a:hover { color: var(--ink); }

/* 소개 */
.intro { display: grid; grid-template-columns: 1.6fr 1fr; gap: 64px; align-items: end; padding: 120px var(--pad) 96px; }
.intro h1 { font-size: clamp(34px, 4.6vw, 64px); line-height: 1.28; }
.intro__side p { margin: 0 0 22px; color: #333; }
.intro__contact { font-weight: 400; line-height: 2; }
.intro__contact a { border-bottom: 1px solid var(--hair); }
.intro__contact a:hover { border-color: var(--ink); }

.lead-pic { padding: 0 var(--pad); }
.lead-pic img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: grayscale(1) contrast(1.04); }
figcaption { margin-top: 12px; font-size: 13px; color: var(--mid); }
figcaption span { color: var(--ink); font-weight: 500; margin-right: 10px; }

/* 블록 공통 */
.block { padding: 140px var(--pad) 0; }
.block__head { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: baseline; margin-bottom: 48px; }
.block h2 { font-size: 40px; }
.block__head p { margin: 0; color: var(--mid); max-width: 34em; }

/* 필터 */
.filter { display: flex; flex-wrap: wrap; gap: 4px 22px; margin-bottom: 18px; }
.filter button { font: inherit; font-size: 14px; background: none; border: 0; padding: 4px 0; color: var(--mid); cursor: pointer; border-bottom: 1px solid transparent; }
.filter button i { font-style: normal; font-size: 11px; vertical-align: 4px; margin-left: 1px; }
.filter button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); font-weight: 400; }

/* 프로젝트 인덱스 */
.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.index li { display: grid; grid-template-columns: 90px 2.2fr 1.3fr 1.5fr 90px 80px; gap: 16px; align-items: baseline; padding: 17px 0; border-bottom: 1px solid var(--hair); font-size: 15px; transition: padding .2s; }
.index li[hidden] { display: none; }
.index li:not(.index__hd):hover { padding-left: 12px; background: #F1F1EE; }
.index li > span:first-child { font-variant-numeric: tabular-nums; color: var(--mid); }
.index b { font-family: var(--serif); font-weight: 400; font-size: 19px; letter-spacing: -0.02em; }
.index li > span:nth-child(5) { text-align: right; font-variant-numeric: tabular-nums; }
.index em { font-style: normal; font-size: 12px; text-align: right; color: var(--ink); }
.index em::before { content: "●"; font-size: 7px; vertical-align: 2px; margin-right: 5px; }
.index__hd { font-size: 12px !important; color: var(--mid); padding: 10px 0 !important; }
.index__hd span:nth-child(5) { text-align: right; }

/* 대표 작업 */
.feature { display: grid; grid-template-columns: 1.7fr 1fr; gap: 56px; padding: 140px var(--pad) 0; align-items: end; }
.feature__pic img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: grayscale(1); }
.feature__k { font-family: var(--serif); font-size: 22px; margin: 0 0 16px; font-weight: 400; }
.feature__txt p { margin: 0; color: #333; }
.feature dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 24px; margin: 28px 0 0; padding-top: 20px; border-top: 1px solid var(--hair); font-size: 14px; }
.feature dt { color: var(--mid); }
.feature dd { margin: 0; }

/* 하는 일 */
.practice { display: grid; grid-template-columns: 1.6fr 1fr; gap: 72px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: n; border-top: 1px solid var(--ink); }
.steps li { counter-increment: n; display: grid; grid-template-columns: 44px 170px 1fr 90px; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--hair); align-items: baseline; }
.steps li::before { content: counter(n, decimal-leading-zero); font-size: 13px; color: var(--mid); font-variant-numeric: tabular-nums; }
.steps b { font-family: var(--serif); font-weight: 400; font-size: 18px; }
.steps span { color: #333; font-size: 14.5px; }
.steps small { text-align: right; color: var(--mid); font-size: 13px; }
.practice__pic img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; filter: grayscale(1); }
.fee { margin: 36px 0 0; max-width: 40em; color: var(--mid); font-size: 14.5px; }

/* 사무소 */
.block--office { display: grid; grid-template-columns: 1fr 2fr; column-gap: 64px; }
.block--office .block__head { display: block; margin: 0; }
.office { margin: 0; border-top: 1px solid var(--ink); }
.office > div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--hair); }
.office dt { color: var(--mid); font-size: 14px; }
.office dd { margin: 0; font-weight: 400; }
.ex { font-size: 11px; border: 1px solid var(--ink); padding: 0 5px; margin-left: 6px; vertical-align: 2px; font-weight: 400; }
.news { grid-column: 2; margin-top: 64px; }
.news h3 { font-size: 22px; margin-bottom: 14px; }
.news ul { list-style: none; margin: 0; padding: 0; }
.news li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid var(--hair); font-size: 14.5px; }
.news time { color: var(--mid); font-variant-numeric: tabular-nums; }

/* 상담 */
.contact { margin: 160px var(--pad) 0; padding: 72px 0 96px; border-top: 1px solid var(--ink); }
.contact h2 { font-size: clamp(34px, 4vw, 56px); }
.contact__lead { max-width: 40em; margin: 24px 0 48px; color: #333; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact dl { margin: 0; display: grid; grid-template-columns: 90px 1fr; gap: 14px 20px; }
.contact dt { color: var(--mid); font-size: 14px; }
.contact dd { margin: 0; font-weight: 400; }
.contact dd a { border-bottom: 1px solid var(--hair); }
.contact dd a[href^="tel"] { font-family: var(--serif); font-size: 26px; border: 0; line-height: 1.3; }
.contact__btn { display: inline-block; margin-top: 52px; font-family: var(--serif); font-size: 22px; padding-bottom: 6px; border-bottom: 2px solid var(--ink); }
.contact__btn:hover { opacity: .6; }

.foot { padding: 28px var(--pad) 40px; font-size: 12.5px; color: var(--mid); display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--hair); }
.foot p { margin: 0; }
.dock { display: none; }

@media (max-width: 900px) {
  .intro, .feature, .practice, .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .intro { padding: 72px var(--pad) 64px; }
  .block__head { grid-template-columns: 1fr; gap: 12px; }
  .block--office { grid-template-columns: 1fr; }
  .block--office .block__head { margin-bottom: 28px; }
  .news { grid-column: 1; }
  .index li { grid-template-columns: 56px 1fr auto; gap: 2px 12px; }
  .index__hd { display: none !important; }
  .index li > span:nth-child(3), .index li > span:nth-child(4) { grid-column: 2; font-size: 13px; color: var(--mid); }
  .index li > span:nth-child(3) { grid-row: 2; }
  .index li > span:nth-child(4) { grid-row: 3; }
  .index li > span:nth-child(5) { grid-column: 3; grid-row: 1; font-size: 13px; color: var(--mid); }
  .index em { grid-column: 3; grid-row: 2; }
  .practice__pic { max-width: 360px; }
  .steps li { grid-template-columns: 36px 1fr auto; }
  .steps span { grid-column: 2 / -1; grid-row: 2; }
  .steps small { grid-column: 3; grid-row: 1; white-space: nowrap; }
  .steps li { row-gap: 6px; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .mast { padding: 20px var(--pad); }
  .mast__nav { display: none; }
  .intro { padding-top: 48px; }
  .lead-pic img { aspect-ratio: 4 / 3; }
  .block, .feature { padding-top: 96px; }
  .block h2 { font-size: 30px; }
  .index b { font-size: 17px; }
  .office > div { grid-template-columns: 88px 1fr; }
  .news li { grid-template-columns: 1fr; gap: 2px; }
  .contact { margin-top: 110px; padding-bottom: 72px; }
  .contact dl { grid-template-columns: 76px 1fr; }
  .contact__btn { font-size: 19px; }
  .foot { flex-direction: column; gap: 6px; padding-bottom: 96px; }
  .dock { display: grid; grid-template-columns: repeat(3, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--ink); padding-bottom: env(safe-area-inset-bottom); }
  .dock a { display: flex; align-items: center; justify-content: center; min-height: 54px; color: #fff; font-size: 15px; font-weight: 400; border-left: 1px solid #333; }
  .dock a:first-child { border-left: 0; }
}