/* ==========================================================
   큰나무 에이전시 — 캐릭터 갤러리 디자인 시스템
   Palette: 로고(코랄·틸·옐로우) × 갤러리 화이트
   ========================================================== */
:root{
  --coral:#EE6A4D;
  --coral-deep:#D8543A;
  --teal:#177E89;
  --teal-deep:#0F5E67;
  --yellow:#F2C94C;
  --ink:#22333B;
  --paper:#FAF9F6;
  --card:#FFFFFF;
  --line:#E5E1D8;
  --muted:#5F6E74;
  --font-display:'Hahmlet',serif;
  --font-body:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --maxw:1180px;
  --radius:14px;
  --shadow:0 10px 30px rgba(34,51,59,.09);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  word-break:keep-all;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}

.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- 스크롤 등장 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 헤더 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(250,249,246,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.site-header.scrolled{border-bottom-color:var(--line)}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 22px;
  display:flex;align-items:center;justify-content:space-between;height:72px;
}
.logo img{height:42px;width:auto;mix-blend-mode:multiply}
.gnb{display:flex;align-items:center;gap:34px}
.gnb a{font-weight:600;font-size:.98rem;color:var(--ink);position:relative;padding:6px 0}
.gnb a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--coral);transition:width .25s}
.gnb a:hover::after,.gnb a[aria-current="page"]::after{width:100%}
.btn-cta{
  display:inline-block;background:var(--coral);color:#fff!important;
  padding:11px 22px;border-radius:999px;font-weight:700;font-size:.95rem;
  box-shadow:0 4px 14px rgba(238,106,77,.35);transition:transform .2s,background .2s;
}
.btn-cta:hover{background:var(--coral-deep);transform:translateY(-2px)}
.btn-cta::after{display:none}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;position:relative;z-index:300}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px auto;transition:.3s}

@media (max-width:860px){
  .nav-toggle{display:block}
  .gnb{
    position:fixed;inset:0;background:var(--paper);
    flex-direction:column;justify-content:center;gap:30px;
    opacity:0;pointer-events:none;transition:opacity .25s;z-index:250;
  }
  .gnb.open{opacity:1;pointer-events:auto}
  .gnb a{font-size:1.35rem;font-family:var(--font-display)}
  body.nav-open{overflow:hidden}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------- 뮤지엄 라벨 (시그니처) ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--teal);font-weight:700;font-size:.82rem;letter-spacing:.18em;
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal)}
.label-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);
}
.label-title{font-family:var(--font-display);font-weight:600;font-size:1.25rem;line-height:1.4}
.label-meta{color:var(--muted);font-size:.86rem;margin-top:6px;letter-spacing:.02em}
.label-meta em{font-style:normal;color:var(--coral);font-weight:600}

/* ---------- 히어로 ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(34,51,59,.55) 0%,rgba(34,51,59,.08) 45%,rgba(34,51,59,0) 70%);
}
.hero-label{
  position:relative;z-index:2;margin:0 auto;width:100%;max-width:var(--maxw);
  padding:0 22px 64px;
}
.hero-card{
  max-width:640px;background:var(--paper);border-radius:var(--radius);
  padding:38px 40px;box-shadow:0 24px 60px rgba(0,0,0,.25);
  border-left:5px solid var(--coral);
}
.hero-card .eyebrow{margin-bottom:10px}
.hero-card h1{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.75rem,4.6vw,2.9rem);line-height:1.28;letter-spacing:-.01em;
}
.hero-card h1 .accent{color:var(--coral)}
.hero-card p{margin-top:16px;color:var(--muted);font-size:1.02rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn-ghost{
  display:inline-block;padding:11px 22px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1.5px solid var(--ink);color:var(--ink);transition:background .2s,color .2s;
}
.btn-ghost:hover{background:var(--ink);color:#fff}
@media (max-width:640px){
  .hero{min-height:78vh}
  .hero-card{padding:28px 24px}
}

/* ---------- 섹션 공통 ---------- */
.section{padding:96px 0}
.section-head{max-width:720px;margin-bottom:52px}
.section-head h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.35;letter-spacing:-.01em;
}
.section-head .lead{margin-top:14px;color:var(--muted);font-size:1.04rem}
.section-alt{background:#F3F1EA}
@media (max-width:640px){.section{padding:64px 0}}

/* ---------- 전시 서문 (인트로) ---------- */
.intro-quote{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.3rem,3vw,1.9rem);line-height:1.6;max-width:840px;
}
.intro-quote strong{color:var(--teal);font-weight:700}
.intro-sub{margin-top:22px;color:var(--muted);max-width:640px}

/* ---------- 서비스 카드 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(34,51,59,.14)}
.service-card figure{aspect-ratio:4/3;overflow:hidden}
.service-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.service-card:hover figure img{transform:scale(1.05)}
.service-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.service-no{color:var(--coral);font-weight:800;font-size:.8rem;letter-spacing:.12em}
.service-body h3{font-family:var(--font-display);font-size:1.18rem;font-weight:600;margin-top:6px}
.service-body p{color:var(--muted);font-size:.93rem;margin-top:10px;flex:1}
.service-more{margin-top:16px;font-weight:700;font-size:.88rem;color:var(--teal)}
@media (max-width:1000px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.service-grid{grid-template-columns:1fr}}

/* ---------- 레퍼런스 ---------- */
.ref-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.ref-item figure{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.ref-item figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ref-item:hover figure img{transform:scale(1.04)}
.ref-item .label-card{margin:-38px 20px 0;position:relative}
@media (max-width:760px){.ref-grid{grid-template-columns:1fr}}

/* ---------- 현장 릴스 ---------- */
.reel-row{
  display:grid;grid-auto-flow:column;grid-auto-columns:min(240px,62vw);
  gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.reel-row::-webkit-scrollbar{height:8px}
.reel-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.reel{scroll-snap-align:start}
.reel video{
  width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow);background:#e8e5dd;
}
.reel figcaption{margin-top:10px;font-size:.86rem;color:var(--muted);text-align:center}

/* ---------- 철학 ---------- */
.philosophy{position:relative;overflow:hidden}
.philosophy .tree-bg{
  position:absolute;right:-60px;bottom:-40px;width:min(420px,55vw);
  opacity:.1;pointer-events:none;
}
.phil-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:1}
.phil-quote{
  font-family:var(--font-display);font-size:clamp(1.25rem,2.6vw,1.7rem);
  line-height:1.7;font-weight:500;
}
.phil-quote .accent{color:var(--coral)}
.phil-list{margin-top:30px;display:grid;gap:16px}
.phil-list li{display:flex;gap:14px;align-items:flex-start}
.phil-list .dot{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:.8rem;color:#fff;background:var(--teal);
  margin-top:2px;
}
.phil-list p strong{display:block}
.phil-list p span{color:var(--muted);font-size:.93rem}
.phil-figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
@media (max-width:860px){.phil-grid{grid-template-columns:1fr}}

/* ---------- 숫자 밴드 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.stats .num{font-family:var(--font-display);font-size:clamp(2rem,5vw,3rem);font-weight:700;color:var(--teal)}
.stats .num em{font-style:normal;color:var(--coral)}
.stats .cap{color:var(--muted);font-size:.94rem;margin-top:4px}
@media (max-width:560px){.stats{grid-template-columns:1fr;gap:28px}}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 40px 22px 0;
  font-weight:700;font-size:1.02rem;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;font-weight:400;color:var(--coral);transition:transform .25s;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .faq-a{padding:0 0 24px;color:var(--muted)}

/* ---------- CTA 밴드 ---------- */
.cta-band{background:var(--teal);color:#fff;text-align:center;padding:88px 22px}
.cta-band .eyebrow{color:var(--yellow)}
.cta-band .eyebrow::before{background:var(--yellow)}
.cta-band h2{font-family:var(--font-display);font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:600;line-height:1.4}
.cta-band p{margin-top:14px;opacity:.85;max-width:560px;margin-left:auto;margin-right:auto}
.cta-band .hero-actions{justify-content:center;margin-top:30px}
.cta-band .btn-ghost{border-color:#fff;color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--teal)}

/* ---------- 페이지 히어로 (서브페이지) ---------- */
.page-hero{padding:170px 0 70px;border-bottom:1px solid var(--line)}
.page-hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,4.5vw,2.8rem);letter-spacing:-.01em}
.page-hero .lead{margin-top:14px;color:var(--muted);max-width:640px;font-size:1.05rem}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-grid figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-grid h2{font-family:var(--font-display);font-size:1.7rem;font-weight:600;line-height:1.4}
.about-grid .body{margin-top:16px;color:var(--muted)}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:860px){.principle-grid{grid-template-columns:1fr}}
.timeline{max-width:760px;margin-top:10px}
.timeline li{
  display:grid;grid-template-columns:110px 1fr;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.timeline .year{font-family:var(--font-display);font-weight:700;color:var(--teal);font-size:1.1rem}
.timeline p span{color:var(--muted);display:block;font-size:.93rem}

/* ---------- Services 페이지 ---------- */
.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:72px 0;border-bottom:1px solid var(--line)}
.svc-detail:last-of-type{border-bottom:0}
.svc-detail figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.svc-detail figure img{aspect-ratio:4/3;object-fit:cover;width:100%}
.svc-detail.flip figure{order:2}
.svc-detail h2{font-family:var(--font-display);font-size:1.6rem;font-weight:600;margin-top:4px}
.svc-detail .body{margin-top:14px;color:var(--muted)}
.svc-points{margin-top:20px;display:grid;gap:10px}
.svc-points li{display:flex;gap:10px;font-size:.96rem}
.svc-points li::before{content:"✦";color:var(--coral);flex:0 0 auto}
@media (max-width:820px){
  .svc-detail{grid-template-columns:1fr;gap:26px;padding:52px 0}
  .svc-detail.flip figure{order:0}
}

/* ---------- 갤러리 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.filter-btn{
  border:1.5px solid var(--line);background:var(--card);border-radius:999px;
  padding:9px 20px;font-weight:600;font-size:.92rem;color:var(--muted);transition:.2s;
}
.filter-btn:hover{border-color:var(--teal);color:var(--teal)}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:#fff}
.works{columns:3;column-gap:22px}
.work{break-inside:avoid;margin-bottom:22px;display:block}
.work figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#e8e5dd}
.work figure img{width:100%;transition:transform .4s}
.work:hover figure img{transform:scale(1.03)}
.work .w-label{padding:12px 6px 4px}
.work .w-title{font-family:var(--font-display);font-weight:600;font-size:1rem}
.work .w-meta{color:var(--muted);font-size:.82rem;margin-top:2px;letter-spacing:.02em}
.work.hidden{display:none}
@media (max-width:960px){.works{columns:2}}
@media (max-width:560px){.works{columns:1}}
.room-head{margin:56px 0 24px;display:flex;align-items:baseline;gap:14px}
.room-head .room-no{font-family:var(--font-display);color:var(--coral);font-weight:700;letter-spacing:.08em;font-size:.9rem}
.room-head h2{font-family:var(--font-display);font-weight:600;font-size:1.4rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:52px;align-items:start}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-info .label-card{margin-bottom:18px}
.contact-info a{color:var(--teal);font-weight:600}
.form{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:560px){.form-row{grid-template-columns:1fr}}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}
.field label .req{color:var(--coral)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.98rem;background:var(--card);color:var(--ink);
  transition:border-color .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.field textarea{min-height:150px;resize:vertical}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.consent-box{
  background:var(--card);border:1.5px solid var(--line);border-radius:10px;padding:16px 18px;
  font-size:.93rem;
}
.consent-box label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-weight:600}
.consent-box input{margin-top:4px;accent-color:var(--coral);width:17px;height:17px;flex:0 0 auto}
.consent-detail{margin-top:12px;color:var(--muted);font-size:.86rem;display:none}
.consent-box.open .consent-detail{display:block}
.consent-toggle{background:none;border:0;color:var(--teal);font-weight:700;font-size:.86rem;text-decoration:underline;padding:0}
.consent-detail table{width:100%;border-collapse:collapse;margin-top:8px}
.consent-detail th,.consent-detail td{border:1px solid var(--line);padding:7px 10px;text-align:left;font-size:.84rem}
.consent-detail th{background:var(--paper);white-space:nowrap}
.form-submit{
  background:var(--coral);color:#fff;border:0;border-radius:999px;
  padding:16px;font-size:1.05rem;font-weight:800;transition:background .2s;
}
.form-submit:hover{background:var(--coral-deep)}
.form-submit:disabled{background:var(--muted);cursor:wait}
.form-msg{display:none;border-radius:10px;padding:16px 18px;font-size:.95rem;font-weight:600}
.form-msg.ok{display:block;background:#E7F4EF;color:#12694A;border:1.5px solid #BEE3D3}
.form-msg.err{display:block;background:#FDEEEA;color:#B03A22;border:1.5px solid #F5CBBF}
.form-msg a{text-decoration:underline}

/* ---------- 법적 페이지 ---------- */
.legal{max-width:820px;padding-bottom:40px}
.legal h2{font-family:var(--font-display);font-size:1.25rem;font-weight:600;margin:40px 0 12px}
.legal p,.legal li{color:var(--muted);font-size:.96rem;margin-bottom:8px}
.legal ol,.legal ul{padding-left:22px;margin-bottom:10px}
.legal ol li{list-style:decimal}
.legal ul li{list-style:disc}
.legal table{width:100%;border-collapse:collapse;margin:12px 0}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;text-align:left;font-size:.9rem}
.legal th{background:#F3F1EA;white-space:nowrap}
.legal .effective{margin-top:36px;font-weight:700;color:var(--ink)}

/* ---------- 푸터 ---------- */
.site-footer{background:var(--ink);color:#C9D2D6;padding:64px 0 84px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .f-logo{
  font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:#fff;
}
.footer-brand .f-slogan{color:var(--yellow);margin-top:6px;font-weight:600}
.footer-info{margin-top:18px;line-height:1.9}
.footer-links{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.footer-links a{transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-links .privacy-link{font-weight:800;color:#fff}
.footer-bottom{
  max-width:var(--maxw);margin:44px auto 0;padding:26px 22px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom .credit a{color:var(--yellow);font-weight:700}
.footer-bottom .credit a:hover{text-decoration:underline}

/* ---------- Floating 액션 ---------- */
.fab-group{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:150;align-items:flex-end}
.fab{
  display:grid;place-items:center;width:52px;height:52px;border-radius:50%;
  box-shadow:0 4px 14px rgba(0,0,0,.22);transition:transform .2s;
}
.fab:hover{transform:translateY(-3px)}
.fab svg{width:24px;height:24px}
.fab-insta{background:#fff;border:1px solid var(--line);color:var(--ink)}
.fab-contact{
  width:auto;border-radius:999px;padding:0 22px;height:52px;
  background:var(--coral);color:#fff;font-weight:800;font-size:.95rem;
  display:flex;align-items:center;gap:8px;
}

/* ---------- 유틸 ---------- */
.mt-40{margin-top:40px}
.center{text-align:center}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
  padding:10px 18px;z-index:999;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}