/* 온결 인테리어 — 세계관: 따뜻한 회벽, 오크, 테라코타 한 점. Pretendard 굵은체 */
:root{
  --paper:#FAF8F4;--paper-2:#F1EDE6;--line:#E3DDD3;--line-2:#C7BFB2;
  --ink:#1C1B19;--ink-2:#4B4741;--ink-3:#7D776F;
  --clay:#B5563A;--clay-2:#93432B;--clay-soft:#F5E3DC;
  --sans:'Pretendard Variable',Pretendard,-apple-system,"Apple SD Gothic Neo",sans-serif;
  --wrap:1180px;--gutter:clamp(20px,4vw,48px);--ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;word-break:keep-all;line-height:1.62;font-variant-numeric:tabular-nums;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--clay);color:#fff}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}
input,textarea,select,button{font:inherit;color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
h1,h2,h3{font-weight:800;letter-spacing:-.035em;line-height:1.18;text-wrap:balance}
h2{font-size:clamp(27px,3.2vw,42px);margin-bottom:.5em}
h3{font-size:20px}
p{max-width:62ch}
.lead{font-size:clamp(16px,1.3vw,18px);color:var(--ink-2)}
.note{font-size:13px;color:var(--ink-3);margin-top:20px;line-height:1.7}
.sec{padding:clamp(60px,7.5vw,104px) 0}
.sec.alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--clay);color:#fff;padding:15px 24px;font-weight:700;font-size:15px;border:0;border-radius:2px;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease)}
.btn:hover{background:var(--clay-2)}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.8)}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.link{font-weight:700;text-decoration:underline;text-underline-offset:.3em;text-decoration-thickness:1.5px;text-decoration-color:var(--line-2);display:inline-block;margin-top:26px}
.link:hover{text-decoration-color:var(--clay)}

/* 헤더 */
.hd{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:66px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo .mark{width:14px;height:14px;background:var(--clay);box-shadow:inset 0 0 0 4px var(--paper),inset 0 0 0 5px var(--clay)}
.menu{display:flex;gap:26px;font-size:15px;font-weight:600;color:var(--ink-2)}
.menu a{padding:6px 0;border-bottom:2px solid transparent}
.menu a:hover{color:var(--ink)}
.menu a[aria-current=page]{color:var(--ink);border-bottom-color:var(--clay)}
.hd-cta{background:var(--ink);color:#fff;padding:10px 16px;font-size:14px;font-weight:700;border-radius:2px}
.burger{display:none;width:40px;height:40px;border:0;background:none;flex-direction:column;gap:6px;align-items:center;justify-content:center;cursor:pointer}
.burger span{width:22px;height:2px;background:var(--ink);transition:.25s var(--ease)}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;border-top:1px solid var(--line);background:var(--paper)}
.mobile-menu a{padding:16px var(--gutter);border-bottom:1px solid var(--line);font-weight:600}
.mobile-menu a:last-child{background:var(--ink);color:#fff}
.hd.open .mobile-menu{display:flex}
@media(max-width:920px){.menu,.hd-cta{display:none}.burger{display:flex}}

/* 히어로: 풀블리드 사진 + 느린 패럴랙스 */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#2A2724}
.hero-bg{position:absolute;inset:-8% 0 0;will-change:transform}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 2.4s var(--ease)}
body.ready .hero-bg img{transform:none}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,27,25,.05) 30%,rgba(28,27,25,.72) 100%)}
.hero-in{position:relative;z-index:1;padding:clamp(80px,12vw,160px) var(--gutter) clamp(44px,6vw,72px);width:100%}
.display{font-size:clamp(40px,6vw,82px);line-height:1.02;letter-spacing:-.05em;font-weight:800}
.display span{display:block;overflow:hidden}
.display span{transform:translateY(0)}
.display em{font-style:normal;color:#F3C9B8}
.hero .lead{color:#E9E3DA;margin-top:22px;max-width:52ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
@media(max-width:700px){.hero{min-height:78vh}}

/* 숫자 */
.facts{padding:0}
.facts-in{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.facts-in div{padding:30px 22px 30px 0;border-right:1px solid var(--line);font-size:14px;color:var(--ink-3)}
.facts-in div:last-child{border-right:0}
.facts-in div+div{padding-left:22px}
.facts-in b{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-.04em;color:var(--ink);line-height:1.1;margin-bottom:6px}
@media(max-width:760px){.facts-in{grid-template-columns:1fr 1fr}.facts-in div{border:0;border-bottom:1px solid var(--line);padding:22px 0}.facts-in div+div{padding-left:0}.facts-in div:nth-child(odd){padding-right:16px}}

/* 시공 전후 슬라이더 */
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ba-grid.cases{grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:900px){.ba-grid,.ba-grid.cases{grid-template-columns:1fr}}
.ba{background:var(--paper-2)}
.ba-stage{position:relative;aspect-ratio:4/3;overflow:hidden;user-select:none;touch-action:pan-y;background:#ddd}
.ba-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba-before-wrap{position:absolute;inset:0;width:50%;overflow:hidden}
.ba-before-wrap img{width:calc(100% / var(--p,.5) * 1);max-width:none}
.ba-handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.15);pointer-events:none}
.ba-handle span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.25);display:grid;place-items:center}
.ba-handle span::before,.ba-handle span::after{content:"";position:absolute;top:50%;width:0;height:0;border:6px solid transparent}
.ba-handle span::before{left:9px;border-right-color:var(--ink);transform:translateY(-50%)}
.ba-handle span::after{right:9px;border-left-color:var(--ink);transform:translateY(-50%)}
.ba-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;-webkit-appearance:none}
.ba-range::-webkit-slider-thumb{-webkit-appearance:none;width:60px;height:100%}
.ba-tag{position:absolute;bottom:10px;font-size:11px;font-weight:700;letter-spacing:.04em;padding:5px 9px;background:rgba(28,27,25,.72);color:#fff;pointer-events:none}
.ba-tag.l{left:10px}.ba-tag.r{right:10px}
.ba-meta{padding:14px 2px 6px;display:flex;justify-content:space-between;gap:12px;align-items:baseline;flex-wrap:wrap}
.ba-meta b{font-size:16px;letter-spacing:-.02em}
.ba-meta span{font-size:13px;color:var(--ink-3)}
.case.single .single-ph{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.case.single img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.case.single:hover img{transform:scale(1.03)}
.case.hide{display:none}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.chips button{border:1.5px solid var(--line-2);background:transparent;padding:9px 14px;font-size:14px;font-weight:600;border-radius:2px;cursor:pointer;color:var(--ink-2)}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 진행 과정 요약 */
.process-in{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,5vw,80px);align-items:start}
.steps{list-style:none;counter-reset:s;border-top:2px solid var(--ink)}
.steps li{counter-increment:s;display:grid;grid-template-columns:1.2fr 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.steps li b{font-size:17px}
.steps li b::before{content:counter(s) ". ";color:var(--clay)}
.steps li span{font-size:14px;color:var(--ink-3)}
@media(max-width:820px){.process-in{grid-template-columns:1fr}.steps li{grid-template-columns:1fr;gap:4px}}

/* 견적 CTA 줄 */
.est-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;border:1px solid var(--ink);padding:clamp(24px,3.5vw,40px)}
.est-cta h2{margin-bottom:8px}

/* 서브 페이지 머리 */
.ph{padding:clamp(48px,6vw,80px) 0 clamp(28px,4vw,48px)}
.crumb{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumb span{margin:0 8px}
.ph h1{font-size:clamp(32px,4.4vw,56px);letter-spacing:-.04em}
.ph .lead{margin-top:18px}

/* 견적 계산기 */
.est-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,56px);align-items:start}
.est-form{border:1px solid var(--line);background:#fff;padding:clamp(20px,3vw,28px)}
.field{display:block;margin-bottom:18px}
.field>span{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:9px;color:var(--ink-2)}
.field output{font-weight:700;color:var(--ink)}
.field input[type=range]{width:100%;accent-color:var(--clay)}
.field input[type=text],.field input[type=tel],.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid var(--line-2);background:#fff;font-size:15px;border-radius:2px}
.field textarea{min-height:100px;resize:vertical}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1.5px solid var(--ink);border-radius:2px;overflow:hidden}
.seg button{border:0;background:transparent;padding:11px 6px;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--ink-2);border-right:1.5px solid var(--ink)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--ink);color:#fff}
.est-out{position:sticky;top:86px}
.out-label{font-size:14px;color:var(--ink-3)}
.out-main{font-size:clamp(34px,4.2vw,56px);font-weight:800;letter-spacing:-.045em;line-height:1.1;margin-top:6px}
.out-main .unit{font-size:18px;margin-left:6px;font-weight:600;color:var(--ink-2);letter-spacing:0}
.out-sub{font-size:14px;color:var(--ink-3);margin-top:8px}
.breakdown{width:100%;border-collapse:collapse;margin-top:22px;border-top:2px solid var(--ink)}
.breakdown td{padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.breakdown td:last-child{text-align:right;font-weight:600;white-space:nowrap}
.breakdown td small{display:block;font-weight:400;font-size:12px;color:var(--ink-3)}
.breakdown tr.total td{font-weight:800;background:var(--clay-soft)}
.est-out .btn{margin-top:22px;width:100%}
@media(max-width:860px){.est-grid{grid-template-columns:1fr}.est-out{position:static}}

/* 타임라인 */
.timeline{list-style:none;border-top:2px solid var(--ink)}
.timeline li{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}
.timeline .when{font-size:14px;font-weight:700;color:var(--clay)}
.timeline h3{margin-bottom:8px}
.timeline p{color:var(--ink-2);font-size:15px}
@media(max-width:700px){.timeline li{grid-template-columns:1fr;gap:6px}}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.two-ph{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ph-slot{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.ph-slot img{width:100%;height:100%;object-fit:cover}
.rules{border-top:2px solid var(--ink);margin-top:10px}
.rules>div{padding:18px 0;border-bottom:1px solid var(--line)}
.rules h3{font-size:18px;margin-bottom:4px}
.rules p{font-size:14.5px;color:var(--ink-2)}
@media(max-width:820px){.two{grid-template-columns:1fr}.two-ph{grid-template-columns:1fr}}

/* 문의 밴드 */
.contact{background:var(--ink);color:#fff;padding:clamp(64px,8vw,110px) 0}
.contact-in{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,5vw,80px);align-items:start}
.contact h2{color:#fff}
.contact .lead{color:#CFC9BF}
.contact .tel{margin-top:26px;font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-.03em}
.contact .addr{margin-top:14px;font-size:14px;color:#CFC9BF;line-height:1.8}.contact .addr b{color:#fff}
.form{background:var(--paper);color:var(--ink);padding:clamp(22px,3vw,32px)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form .field>span{display:block}
.form .btn{width:100%;margin-top:4px}
.form .done{margin-top:12px;padding:12px 14px;background:var(--clay-soft);font-weight:600;font-size:14px}
.form .note{margin-top:10px}
@media(max-width:860px){.contact-in{grid-template-columns:1fr}}
@media(max-width:520px){.row{grid-template-columns:1fr}}

/* 푸터 */
.ft{padding:36px 0 44px;font-size:13px;color:var(--ink-3)}
.ft-in{display:grid;grid-template-columns:1fr auto;gap:24px}
.ft-name{font-weight:800;font-size:16px;color:var(--ink);margin-bottom:8px}
.ft p{line-height:1.8}
.ft-links{display:flex;gap:18px;flex-wrap:wrap}
.ft-note{grid-column:1/-1;padding-top:14px;border-top:1px solid var(--line);font-size:12px}
@media(max-width:700px){.ft-in{grid-template-columns:1fr}}
.fab{position:fixed;right:16px;bottom:16px;z-index:40;display:none;gap:8px}
.fab a{background:var(--clay);color:#fff;padding:12px 16px;font-weight:700;font-size:14px;border-radius:2px;box-shadow:0 6px 20px rgba(28,27,25,.25)}
@media(max-width:860px){.fab{display:flex}}.fab{transition:opacity .25s,transform .25s}.fab.hide{opacity:0;pointer-events:none;transform:translateY(16px)}

/* 등장 */
.rv{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.hero-bg img{transform:none;transition:none}}