/* ===========================================================
   상업공간인테리어 — commercialdesign.ajjun.com
   Design system: ivory / charcoal base, single terracotta accent
   (Hermès 무드: 절제된 색, 소재감, 넓은 여백, 세리프 헤드라인)
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;600;700&display=swap');

:root{
  --ivory:#F7F4EE;
  --paper:#FFFFFF;
  --charcoal:#1C1A17;
  --charcoal-70:rgba(28,26,23,.72);
  --charcoal-40:rgba(28,26,23,.4);
  --stone:#8C877D;
  --line:#E3DFD4;
  --accent:#9C4A22;
  --accent-soft:#C97A4B;
  --serif:'Noto Serif KR', 'Nanum Myeongjo', serif;
  --sans:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Pretendard','Malgun Gothic',sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur-fast:.25s;
  --dur-slow:.7s;
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ivory);
  color:var(--charcoal);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;letter-spacing:-.01em}

.container{max-width:1240px;margin:0 auto;padding:0 24px}
@media(min-width:768px){.container{padding:0 40px}}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;background:var(--charcoal);color:var(--paper);
  padding:14px 20px;
}
.skip-link:focus{left:12px;top:12px}

.eyebrow{
  display:block;font-size:.8rem;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.h1{font-size:clamp(2.1rem,5vw,3.4rem)}
.h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.section-head{max-width:640px;margin:0 0 48px}
.section-head p{color:var(--charcoal-70);margin-top:14px;font-size:1.05rem}

/* ---------- 버튼 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;font-size:.95rem;letter-spacing:.02em;
  border-radius:2px;transition:transform var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);
  white-space:nowrap;
}
.btn-solid{background:var(--charcoal);color:var(--paper)}
.btn-solid:hover{background:var(--accent);transform:translateY(-2px)}
.btn-line{border:1px solid currentColor}
.btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.cta-group{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 이미지 플레이스홀더 (실사진 교체 전 임시 영역) ---------- */
.img-placeholder{
  position:relative;overflow:hidden;aspect-ratio:var(--ar,4/3);
  background:
    repeating-linear-gradient(135deg,#EFEBE2 0 2px,#F7F4EE 2px 16px);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.img-placeholder::before{
  content:'';position:absolute;inset:14px;border:1px solid var(--stone);opacity:.35;
}
.img-placeholder::after{
  content:'';position:absolute;width:14px;height:14px;top:14px;left:14px;
  border-top:2px solid var(--accent);border-left:2px solid var(--accent);
}
.ph-label{
  position:relative;z-index:1;text-align:center;color:var(--charcoal-70);
  font-size:.8rem;line-height:1.6;padding:0 20px;
}
.ph-label b{display:block;font-family:var(--serif);font-size:1rem;color:var(--charcoal);margin-bottom:4px}
.img-placeholder img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}

/* ---------- 헤더 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);
  transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-solid{background:rgba(247,244,238,.96);backdrop-filter:blur(6px);border-color:var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.08em;color:var(--paper)}
.site-header.is-solid .logo,
.site-header.on-dark .logo{color:inherit}
.site-header.on-dark:not(.is-solid) .logo{color:var(--paper)}
.main-nav{display:none;gap:32px;font-size:.9rem;letter-spacing:.04em}
.site-header.on-dark:not(.is-solid) .main-nav a,
.site-header.on-dark:not(.is-solid) .header-cta .btn-line{color:var(--paper)}
.main-nav a{position:relative;padding:4px 0;transition:color var(--dur-fast)}
.main-nav a:hover{color:var(--accent)}
.nav-space{position:relative}
.nav-space-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:var(--paper);border:1px solid var(--line);min-width:180px;
  padding:10px 0;opacity:0;visibility:hidden;transition:opacity var(--dur-fast) var(--ease);
  box-shadow:0 18px 40px rgba(28,26,23,.12);
}
.nav-space:hover .nav-space-menu,.nav-space:focus-within .nav-space-menu{opacity:1;visibility:visible}
.nav-space-menu a{display:block;padding:10px 20px;color:var(--charcoal);font-size:.88rem}
.nav-space-menu a:hover{background:var(--ivory);color:var(--accent)}
.header-cta{display:none;gap:10px}
.header-cta .btn{padding:11px 18px;font-size:.85rem}
.hamburger{display:flex;flex-direction:column;gap:5px;width:26px;padding:6px 0}
.hamburger span{height:2px;background:currentColor;transition:transform var(--dur-fast) var(--ease),opacity var(--dur-fast)}
.site-header.on-dark:not(.is-solid) .hamburger{color:var(--paper)}
@media(min-width:1024px){
  .main-nav{display:flex}
  .header-cta{display:flex}
  .hamburger{display:none}
}

.mobile-menu{border:0;padding:0;width:100%;height:100%;max-width:100%;max-height:100%;background:var(--ivory)}
.mobile-menu::backdrop{background:rgba(28,26,23,.4)}
.mobile-menu-inner{padding:24px;display:flex;flex-direction:column;height:100%}
.mobile-menu-close{align-self:flex-end;font-size:1.6rem;padding:8px}
.mobile-menu-nav{display:flex;flex-direction:column;gap:2px;margin:20px 0;font-family:var(--serif);font-size:1.4rem}
.mobile-menu-nav a{padding:16px 4px;border-bottom:1px solid var(--line)}
.mobile-menu-sub{display:flex;flex-direction:column;padding-left:14px;font-family:var(--sans);font-size:.95rem}
.mobile-menu-sub a{padding:10px 4px;border-bottom:none;color:var(--charcoal-70)}
.mobile-menu-cta{margin-top:auto;display:flex;gap:12px}
.mobile-menu-cta .btn{flex:1}

/* ---------- 히어로 ---------- */
.hero{position:relative;height:100svh;min-height:520px;display:flex;align-items:flex-end;overflow:hidden}
.hero .img-placeholder{position:absolute;inset:0;aspect-ratio:auto;border:0}
.hero-content{position:relative;z-index:2;color:var(--paper);padding-bottom:88px;width:100%}
.hero-content .h1{color:var(--paper)}
.hero-sub{margin:18px 0 30px;font-size:1.1rem;color:rgba(255,255,255,.88);max-width:480px}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,26,23,.05) 0%,rgba(28,26,23,.55) 100%);z-index:1}
.hero.hero-inner{height:64vh;min-height:420px}

/* ---------- 다음 이야기 유도 스트립 (v3) ---------- */
.next-peek{
  position:relative;height:110px;overflow:hidden;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,var(--ivory),#EFEAE0);
  cursor:pointer;
}
.next-peek span{
  font-family:var(--serif);font-size:.95rem;letter-spacing:.06em;color:var(--charcoal-70);
  display:flex;align-items:center;gap:10px;transition:transform var(--dur-fast) var(--ease),color var(--dur-fast);
}
.next-peek:hover span{transform:translateY(-3px);color:var(--accent)}
.next-peek span::after{content:'↓';font-size:1.1rem}

/* ---------- 섹션 공통 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--paper)}

/* ---------- 카테고리 카드 (SPACE) ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line)}
.cat-card{position:relative;background:var(--paper);overflow:hidden;display:block}
.cat-card .img-placeholder{border:0;aspect-ratio:3/4;transition:transform var(--dur-slow) var(--ease)}
.cat-card:hover .img-placeholder{transform:scale(1.045)}
.cat-card-label{
  position:absolute;left:20px;right:20px;bottom:20px;color:var(--paper);z-index:2;
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  font-family:var(--serif);font-size:1.2rem;
}
.cat-card-label em{font-style:normal;font-size:.72rem;letter-spacing:.1em;color:rgba(255,255,255,.85);border-bottom:1px solid var(--accent-soft);padding-bottom:2px}
.cat-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.6) 100%);z-index:1}
@media(min-width:640px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.cat-grid{grid-template-columns:repeat(5,1fr)}}

/* ---------- 캐러셀(키워드/후기 공용) ---------- */
.carousel{position:relative}
.carousel-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;scrollbar-width:none;
}
.carousel-track::-webkit-scrollbar{display:none}
.carousel-track > *{scroll-snap-align:start;flex:0 0 78%}
@media(min-width:640px){.carousel-track > *{flex:0 0 46%}}
@media(min-width:1024px){.carousel-track > *{flex:0 0 30%}}
.carousel-nav{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.carousel-nav button{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:border-color var(--dur-fast),color var(--dur-fast);
}
.carousel-nav button:hover{border-color:var(--accent);color:var(--accent)}

.kw-slide{display:block}
.kw-slide .img-placeholder{aspect-ratio:4/5;transition:transform var(--dur-slow) var(--ease)}
.kw-slide:hover .img-placeholder{transform:scale(1.03)}
.kw-slide-title{margin-top:16px;font-family:var(--serif);font-size:1.1rem;display:flex;align-items:center;gap:10px}
.kw-slide-title span{font-size:.75rem;color:var(--stone)}

.review-card{
  background:var(--paper);border:1px solid var(--line);padding:28px;min-height:220px;
  display:flex;flex-direction:column;justify-content:space-between;
}
.review-card .eyebrow{margin-bottom:16px}
.review-card p{font-size:.98rem;color:var(--charcoal-70)}
.review-card footer{margin-top:20px;font-size:.82rem;color:var(--stone)}

/* ---------- 프로젝트 갤러리 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gallery-item{cursor:zoom-in;position:relative}
.gallery-item .img-placeholder{transition:transform var(--dur-slow) var(--ease)}
.gallery-item:hover .img-placeholder{transform:scale(1.03)}
.gallery-item:nth-child(3n+1){grid-column:span 2}
.gallery-item:nth-child(3n+1) .img-placeholder{aspect-ratio:16/9}
.gallery-item:not(:nth-child(3n+1)) .img-placeholder{aspect-ratio:3/4}
@media(min-width:768px){.gallery-grid{grid-template-columns:repeat(4,1fr)}.gallery-item:nth-child(3n+1){grid-column:span 2}}

.lightbox{border:0;padding:0;background:transparent;max-width:92vw;max-height:92vh;width:auto}
.lightbox::backdrop{background:rgba(20,18,16,.92)}
.lightbox-inner{position:relative}
.lightbox .img-placeholder{width:min(1100px,90vw);aspect-ratio:3/2;border:0}
.lightbox-close{position:absolute;top:-46px;right:0;color:var(--paper);font-size:1rem;letter-spacing:.05em;padding:8px}

/* ---------- 에디토리얼 스토리 (v3 신규) ---------- */
.editorial{display:flex;flex-direction:column;gap:0}
.editorial-media{position:sticky;top:var(--header-h);aspect-ratio:4/5}
.editorial-copy{padding:40px 0}
.editorial-block{padding:56px 0;border-top:1px solid var(--line)}
.editorial-block:first-child{border-top:0}
.editorial-block .eyebrow{margin-bottom:10px}
.editorial-block p{color:var(--charcoal-70);font-size:1.02rem;max-width:46ch}
@media(min-width:1024px){
  .editorial{flex-direction:row;gap:64px;align-items:flex-start}
  .editorial-media{flex:0 0 44%}
  .editorial-copy{flex:1;padding:0}
}

/* ---------- 가로 스크롤 슬라이더 (상가/카페) ---------- */
.hscroll{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:8px}
.hscroll::-webkit-scrollbar{display:none}
.hscroll > *{scroll-snap-align:start;flex:0 0 82%}
.hscroll .img-placeholder{aspect-ratio:4/3;transition:transform var(--dur-slow) var(--ease)}
.hscroll > *:hover .img-placeholder{transform:scale(1.03)}
@media(min-width:768px){.hscroll > *{flex:0 0 56%}}
@media(min-width:1024px){.hscroll > *{flex:0 0 40%}}

/* ---------- Before/After 슬라이더 ---------- */
.before-after{position:relative;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line)}
.ba-layer{position:absolute;inset:0}
.ba-after{clip-path:inset(0 0 0 var(--ba-pos,50%))}
.ba-tag{position:absolute;top:16px;font-size:.72rem;letter-spacing:.1em;background:rgba(28,26,23,.75);color:var(--paper);padding:6px 12px;z-index:3}
.ba-tag.before{left:16px}
.ba-tag.after{right:16px}
.ba-handle{
  position:absolute;top:0;bottom:0;left:var(--ba-pos,50%);width:2px;background:var(--paper);z-index:3;
  transform:translateX(-1px);pointer-events:none;
}
.ba-handle::after{
  content:'';position:absolute;top:50%;left:50%;width:38px;height:38px;border-radius:50%;
  background:var(--paper);transform:translate(-50%,-50%);border:1px solid var(--accent);
}
.ba-range{
  position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:4;
  -webkit-appearance:none;appearance:none;
}

/* ---------- 5단계 프로세스 ---------- */
.process{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
.process-step{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid var(--line)}
.process-step b{font-family:var(--serif);font-size:1.6rem;color:var(--accent)}
.process-step h3{font-size:1.05rem;margin-bottom:6px}
.process-step p{color:var(--charcoal-70);font-size:.95rem;margin:0}
@media(min-width:1024px){
  .process{grid-template-columns:repeat(5,1fr);border-top:0}
  .process-step{grid-template-columns:1fr;border-bottom:0;border-left:1px solid var(--line);padding:0 24px}
}

/* ---------- 현장사진 4장 ---------- */
.site-photos{display:grid;grid-template-columns:1fr;gap:16px}
.site-photos .img-placeholder{aspect-ratio:4/3;cursor:zoom-in;transition:transform var(--dur-slow) var(--ease)}
.site-photos a:hover .img-placeholder{transform:scale(1.03)}
@media(min-width:640px){.site-photos{grid-template-columns:repeat(2,1fr)}}

/* ---------- 본문 콘텐츠 ---------- */
.prose{max-width:760px}
.prose p{color:var(--charcoal-70);margin:0 0 22px;font-size:1.02rem}
.prose h2{margin:48px 0 18px}
.prose h2:first-child{margin-top:0}

/* ---------- CTA ---------- */
.cta-block{position:relative;padding:120px 0;overflow:hidden;color:var(--paper)}
.cta-block .img-placeholder{position:absolute;inset:0;aspect-ratio:auto;border:0;z-index:0}
.cta-block .hero-scrim{z-index:1}
.cta-block-inner{position:relative;z-index:2;text-align:center;max-width:560px;margin:0 auto}
.cta-block .h2{color:var(--paper);margin-bottom:10px}
.cta-block p{color:rgba(255,255,255,.85);margin-bottom:32px}
.cta-block .cta-group{justify-content:center}

/* ---------- 신뢰 메시지 ---------- */
.trust-lines{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-lines li{padding:26px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:1.15rem}
.trust-lines li:last-child{border-bottom:0}

/* ---------- 상담 채널 ---------- */
.channels{display:grid;grid-template-columns:1fr;gap:2px;background:var(--line)}
.channel{background:var(--paper);padding:32px}
.channel .eyebrow{margin-bottom:14px}
.channel p{color:var(--charcoal-70);font-size:.94rem;margin:0 0 20px}
@media(min-width:768px){.channels{grid-template-columns:repeat(3,1fr)}}

/* ---------- Footer ---------- */
.site-footer{background:var(--charcoal);color:rgba(247,244,238,.82);padding:72px 0 32px}
.footer-grid{display:grid;gap:48px;grid-template-columns:1fr}
.footer-biz b{display:block;color:var(--paper);font-family:var(--serif);font-size:1.1rem;margin-bottom:14px}
.footer-biz p{margin:0 0 6px;font-size:.88rem;line-height:1.8}
.footer-sitemap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.footer-sitemap h4{color:var(--paper);font-size:.8rem;letter-spacing:.08em;margin:0 0 14px;font-weight:600}
.footer-sitemap li{margin-bottom:9px;font-size:.88rem}
.footer-sitemap a:hover{color:var(--accent-soft)}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(247,244,238,.14);font-size:.78rem;color:rgba(247,244,238,.5)}
@media(min-width:768px){.footer-grid{grid-template-columns:1.2fr 2fr}.footer-sitemap{grid-template-columns:repeat(4,1fr)}}

/* ---------- 모바일 고정 CTA ---------- */
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;
  border-top:1px solid var(--line);background:var(--paper);
}
.mobile-cta-bar a{flex:1;text-align:center;padding:16px 0;font-size:.9rem}
.mobile-cta-bar a:first-child{border-right:1px solid var(--line);color:var(--charcoal)}
.mobile-cta-bar a:last-child{background:var(--charcoal);color:var(--paper)}
body{padding-bottom:56px}
@media(min-width:1024px){.mobile-cta-bar{display:none}body{padding-bottom:0}}

/* ---------- 스크롤 리빌 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 접근성: 모션 축소 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}