/* 온채(ONCHAE) — 전국 인테리어 브랜드 콘셉트
   디자인: 따뜻한 라이트 + 명조 디스플레이 + 클레이 시그니처 (Findable 다크와 다른 베스포크)
   규칙: transform/opacity만 애니메이션 · prefers-reduced-motion 정지 · keep-all */

@font-face{font-family:"Pretendard";src:url("assets/fonts/Pretendard.subset.woff2") format("woff2");font-weight:45 920;font-style:normal;font-display:swap}
@font-face{font-family:"OnchaeSerif";src:url("assets/fonts/onchae-serif.subset.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}

:root{
  --bg:#f6f1e8; --bg-2:#efe6d7; --surface:#fffdf8; --surface-2:#f3ecdf;
  --ink:#2a2420; --ink-2:#6c6357;
  --line:#e4dac9; --line-2:#d8ccb6;
  --clay:#9c5238; --clay-deep:#8e4d35; --clay-soft:#e7c3b1; --on-clay:#fff7f1;
  --field-border:#8f8676;
  --r:14px; --r-lg:22px; --r-pill:999px;
  --serif:"OnchaeSerif","AppleMyungjo","Nanum Myeongjo","Batang",serif;
  --sans:"Pretendard","Apple SD Gothic Neo",system-ui,"Malgun Gothic",sans-serif;
  --wrap:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 22px 60px -30px rgba(60,40,24,.5);
  --shadow-sm:0 10px 30px -18px rgba(60,40,24,.4);
}

*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
html:where(*){word-break:keep-all}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
:where(h1,h2,h3,h4){font-family:var(--serif);font-weight:400;line-height:1.18;letter-spacing:-.01em;text-wrap:balance;color:var(--ink)}
:where(p,li){text-wrap:pretty}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2.5px solid var(--clay);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--sans);font-size:.74rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--clay)}
.lead{text-wrap:balance}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:.96rem;
  padding:14px 26px;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--clay);color:var(--on-clay);box-shadow:0 14px 30px -14px rgba(142,77,53,.7)}
.btn-primary:hover{background:var(--clay-deep);box-shadow:0 18px 40px -14px rgba(142,77,53,.8)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay)}

/* ── 신뢰 표기(콘셉트) ── */
.concept-flag{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:.7rem;font-weight:600;
  color:var(--ink-2);background:var(--surface-2);border:1px dashed var(--line-2);border-radius:var(--r-pill);padding:4px 11px}

/* ── 내비 ── */
.nav{position:sticky;top:0;z-index:80;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:baseline;gap:9px;font-family:var(--serif);font-size:1.5rem;letter-spacing:.04em}
.brand b{font-weight:400} .brand .en{font-family:var(--sans);font-size:.66rem;font-weight:700;letter-spacing:.28em;color:var(--clay);text-transform:uppercase}
.nav-links{display:flex;gap:26px;margin-left:auto;font-family:var(--sans);font-size:.92rem;font-weight:500;color:var(--ink-2)}
.nav-links a{position:relative;padding:11px 0;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{display:inline-flex;align-items:center;gap:7px;font-family:var(--sans);font-weight:600;font-size:.9rem;color:var(--clay)}
@media(max-width:880px){.nav-links{display:none}}

/* ── 히어로 ── */
.hero{position:relative;padding:clamp(40px,7vw,76px) 0 clamp(48px,8vw,90px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero-copy h1{font-size:clamp(2.5rem,6vw,4.3rem);line-height:1.08}
.hero-copy h1 .accent{color:var(--clay)}
.hero-copy .sub{margin-top:22px;font-size:clamp(1.05rem,2vw,1.24rem);color:var(--ink-2);max-width:30ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px}
.hero-stage{position:relative}
.hero-room{aspect-ratio:4/3.1;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);position:relative;
  background:
    radial-gradient(120% 90% at 22% 8%, rgba(255,247,233,.95), transparent 52%),
    radial-gradient(80% 60% at 85% 30%, rgba(214,178,138,.45), transparent 60%),
    linear-gradient(165deg,#efe2cb 0%,#e2cdab 46%,#c9ab82 100%)}
.hero-room::before{content:"";position:absolute;left:0;right:0;bottom:0;height:34%;
  background:linear-gradient(180deg,transparent,rgba(120,86,52,.22));}
.hero-room .furn{position:absolute;border-radius:14px 14px 4px 4px}
.hero-room .sofa{left:9%;bottom:14%;width:46%;height:24%;background:linear-gradient(160deg,#b4674a,#8e4d35);box-shadow:0 12px 26px -12px rgba(90,50,30,.6);border-radius:18px}
.hero-room .lamp{right:18%;bottom:16%;width:5%;height:40%;background:linear-gradient(180deg,#7a8366,#5f6650);border-radius:6px}
.hero-room .glow{position:absolute;right:13%;bottom:48%;width:16%;height:16%;border-radius:50%;background:radial-gradient(closest-side,rgba(255,236,196,.95),transparent);filter:blur(2px)}
.hero-room .rug{position:absolute;left:6%;bottom:6%;width:54%;height:7%;background:rgba(122,131,102,.4);border-radius:50%;filter:blur(1px)}
.hero-stage .stage-tag{position:absolute;left:14px;bottom:14px;z-index:2}

/* ── 섹션 공통 ── */
.section{padding:clamp(54px,9vw,104px) 0}
.section.alt{background:var(--bg-2)}
.sec-head{max-width:62ch;margin-bottom:clamp(28px,4vw,48px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-top:12px}
.sec-head p{margin-top:14px;font-size:1.06rem;color:var(--ink-2)}

/* ── 시그니처: 공간 변신 Before/After ── */
.ba-wrap{display:grid;grid-template-columns:1fr;gap:22px}
.ba-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ba-tabs .seg{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.ba-tabs label{font-family:var(--sans);font-weight:600;font-size:.92rem;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center;
  padding:9px 20px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);cursor:pointer;
  transition:all .2s var(--ease)}
.ba-tabs label:hover{border-color:var(--clay)}
.ba-tabs .seg:checked + label{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.ba{position:relative;aspect-ratio:16/8.4;max-width:980px;margin:0 auto;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);touch-action:none;user-select:none;cursor:ew-resize}
.ba .scene{position:absolute;inset:0}
/* AFTER(완성·따뜻) — 기본, 공간별 변수 */
.ba .after{background:var(--af,linear-gradient(165deg,#efe2cb,#ccad84))}
/* BEFORE(낡음·차갑) — clip으로 좌측만 노출 */
.ba .before{background:var(--bf,linear-gradient(165deg,#9c988e,#6f6c64));
  clip-path:inset(0 calc(100% - var(--x,50%)) 0 0)}
.ba .label{position:absolute;top:14px;z-index:3;font-family:var(--sans);font-weight:700;font-size:.74rem;letter-spacing:.1em;
  color:#fff;background:rgba(18,13,10,.72);padding:5px 12px;border-radius:var(--r-pill);text-shadow:0 1px 2px rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.ba .label.l-before{left:14px} .ba .label.l-after{right:14px}
.ba .handle{position:absolute;top:0;bottom:0;left:clamp(21px,var(--x,50%),calc(100% - 21px));width:2px;background:rgba(255,255,255,.9);
  transform:translateX(-1px);z-index:4;box-shadow:0 0 12px rgba(0,0,0,.3)}
.ba .handle::after{content:"⇄";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:42px;height:42px;border-radius:50%;background:var(--clay);color:#fff;display:grid;place-items:center;font-size:1.05rem;
  box-shadow:0 6px 18px -4px rgba(0,0,0,.5)}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:5}
.ba-note{text-align:center;margin-top:8px;font-size:.86rem;color:var(--ink-2)}
.ba-stage{display:none} .ba-stage.on{display:block}

/* ── 포트폴리오 필터 그리드 ── */
.filter-bar{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-bottom:30px}
.chip{font-family:var(--sans);font-weight:600;font-size:.88rem;color:var(--ink-2);min-height:44px;display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);cursor:pointer;
  transition:all .2s var(--ease)}
.chip:hover{border-color:var(--clay);color:var(--clay)}
.chip[aria-pressed=true]{background:var(--clay);color:var(--on-clay);border-color:var(--clay)}
.port-count{text-align:center;margin-bottom:22px;font-family:var(--sans);font-size:.9rem;color:var(--ink-2)}
.port-count b{color:var(--clay)}
.port-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:opacity .35s var(--ease),transform .35s var(--ease),box-shadow .25s}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case.hide{opacity:0;transform:scale(.96);pointer-events:none;position:absolute;width:0;height:0;overflow:hidden;margin:-1px;padding:0;border:0}
.case .thumb{aspect-ratio:4/3;position:relative;overflow:hidden}
.case .thumb .ph{position:absolute;inset:0}
.case .badge{position:absolute;left:12px;top:12px;z-index:2;font-family:var(--sans);font-size:.68rem;font-weight:700;
  color:#fff;background:rgba(18,13,10,.68);padding:4px 10px;border-radius:var(--r-pill);text-shadow:0 1px 2px rgba(0,0,0,.55);backdrop-filter:blur(4px)}
.case .body{padding:18px 20px 22px}
.case h3{font-size:1.2rem}
.case .meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:7px}
.tag{font-family:var(--sans);font-size:.74rem;font-weight:600;color:var(--ink-2);background:var(--surface-2);
  border:1px solid var(--line);padding:3px 10px;border-radius:var(--r-pill)}
.tag.t-area{color:var(--clay)}
.case .desc{margin-top:12px;font-size:.92rem;color:var(--ink-2)}
@media(max-width:880px){.port-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.port-grid{grid-template-columns:1fr}}

/* ── 공간별 리모델링 범위 ── */
.scope-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.scope-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;
  transition:transform .2s var(--ease),border-color .2s}
.scope-card:hover{transform:translateY(-3px);border-color:var(--clay-soft)}
.scope-card .ic{width:42px;height:42px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;
  font-size:1.3rem;margin-bottom:14px}
.scope-card h3{font-family:var(--sans);font-weight:700;font-size:1.04rem}
.scope-card p{margin-top:6px;font-size:.88rem;color:var(--ink-2)}

/* ── 왜 온채(신뢰·규모) ── */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:26px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}
.stat .n{font-family:var(--serif);font-size:clamp(2rem,4vw,2.9rem);color:var(--clay);line-height:1}
.stat .l{margin-top:10px;font-family:var(--sans);font-size:.9rem;color:var(--ink-2)}
.answer-box{max-width:70ch;margin:34px auto 0;background:var(--surface);border-left:3px solid var(--clay);
  border-radius:0 var(--r) var(--r) 0;padding:20px 24px;font-size:1.02rem;color:var(--ink);box-shadow:var(--shadow-sm)}
@media(max-width:780px){.why-grid{grid-template-columns:repeat(2,1fr)}}

/* ── 전국 쇼룸 ── */
.region-bar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:26px}
.shroom-count{text-align:center;margin-bottom:20px;font-size:.9rem;color:var(--ink-2)}
.shroom-count b{color:var(--clay)}
.shroom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.shroom{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;
  transition:opacity .3s,transform .3s,border-color .2s}
.shroom.hide{display:none}
.shroom:hover{border-color:var(--clay-soft);transform:translateY(-3px)}
.shroom .rg{font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--clay);text-transform:uppercase}
.shroom h3{font-family:var(--sans);font-weight:700;font-size:1.1rem;margin-top:6px}
.shroom .addr{margin-top:8px;font-size:.88rem;color:var(--ink-2)}
.shroom .tel{margin-top:12px;display:inline-flex;align-items:center;gap:6px;padding:4px 0;font-family:var(--sans);font-weight:600;font-size:.9rem;color:var(--ink)}
@media(max-width:880px){.shroom-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.shroom-grid{grid-template-columns:1fr}}

/* ── 상담 예약 폼 ── */
.book{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,52px);align-items:start}
.book-copy h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.book-copy ul{list-style:none;margin-top:22px;display:grid;gap:14px}
.book-copy li{display:flex;gap:11px;font-size:1rem;color:var(--ink-2)}
.book-copy li::before{content:"✓";color:var(--clay);font-weight:800}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--sans);font-weight:600;font-size:.86rem;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:.96rem;color:var(--ink);
  background:var(--bg);border:1px solid var(--field-border);border-radius:10px;padding:12px 14px;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--clay);box-shadow:0 0 0 3px rgba(156,82,56,.22)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-2);opacity:1}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.84rem;color:var(--ink-2);margin:6px 0 18px}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--clay)}
.form .btn-primary{width:100%;justify-content:center}
.form-ok{display:none;text-align:center;padding:14px;margin-top:14px;background:var(--surface-2);border-radius:10px;
  color:var(--clay);font-weight:600}
.form-ok.show{display:block}
@media(max-width:780px){.book{grid-template-columns:1fr}.field-row{grid-template-columns:1fr}}

/* ── FAQ ── */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--sans);font-weight:600;font-size:1.02rem;
  display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--clay);font-size:1.3rem;transition:transform .25s var(--ease)}
.faq[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 22px 20px;color:var(--ink-2);font-size:.96rem}

/* ── 푸터 ── */
.foot{background:var(--ink);color:#d9cfc0;padding:clamp(44px,6vw,72px) 0 36px;font-family:var(--sans)}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot .brand{color:#fff} .foot .brand .en{color:var(--clay-soft)}
.foot h4{font-family:var(--sans);font-weight:700;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#a99e8d;margin-bottom:14px}
.foot a,.foot p{font-size:.9rem;color:#c8bdac;line-height:2}
.foot a:hover{color:#fff}
.foot .legal{grid-column:1/-1;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:.78rem;color:#9a9182;line-height:1.8}
@media(max-width:780px){.foot .wrap{grid-template-columns:1fr 1fr}}

/* ── 모바일 액션바 ── */
.actionbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;grid-template-columns:repeat(3,1fr);
  background:color-mix(in srgb,var(--ink) 96%,transparent);backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.1)}
.actionbar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:11px 0;color:#e7ddcd;
  font-family:var(--sans);font-size:.72rem;font-weight:600}
.actionbar a + a{border-left:1px solid rgba(255,255,255,.1)}
.actionbar a .ic{font-size:1.15rem}
@media(max-width:880px){.actionbar{display:grid}body{padding-bottom:60px}}

/* ── reveal ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:active{transform:none}
}

/* ── 실사진(codex 생성 콘셉트, name-first: 그라데이션 폴백 위에) ── */
.hero-room>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}

/* ── 브랜드 엠블럼(logo-craft) ── */
.brand-mark{width:27px;height:27px;border-radius:8px;flex-shrink:0;align-self:center}
.foot .brand-mark{width:24px;height:24px}

/* ── 교차검증 보강(독립 심사 2차) ── */
@media(max-width:760px){.hero .wrap{grid-template-columns:1fr}}
section[id]{scroll-margin-top:84px}
.ba:focus-within .handle::after{box-shadow:0 6px 18px -4px rgba(0,0,0,.5),0 0 0 4px rgba(156,82,56,.65)}