/* ==========================================================================
   종이담다 PAPER DAMDA — paperdamda.creatorlink.net 리디자인 복제본
   ========================================================================== */

:root{
  --ink:#202020;
  --ink-soft:#222;
  --sub:#676767;
  --muted:#949fab;
  --line:#e9e6e2;
  --accent:#bfa591;
  --bg:#fff;
  --serif:'Lora',serif;
  --display:'Playfair Display',serif;
  --sans:'Lato','Pretendard','Nanum Gothic',sans-serif;
  --kr:'Pretendard','Nanum Gothic','Apple SD Gothic Neo',sans-serif;
  --header-h:132px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--kr);font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:400}
p{margin:0}
button{font:inherit;cursor:pointer}

.container{width:min(1140px,90%);margin:0 auto}
.text-center{text-align:center}
.section{padding:80px 0 70px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:0 2px 18px rgba(0,0,0,.06)}
.header-inner{
  width:min(1140px,92%);margin:0 auto;
  display:flex;flex-direction:column;align-items:center;
  padding:14px 0 0;position:relative;
}
.brand img{height:44px;width:auto}
.site-nav{display:flex;gap:38px;padding:12px 0 14px}
.site-nav a{
  font-family:var(--kr);font-size:14px;letter-spacing:.02em;color:#4a4a4a;
  padding:6px 2px;position:relative;transition:color .25s;
}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;
  transition:transform .3s ease;
}
.site-nav a:hover{color:var(--ink)}
.site-nav a:hover::after,.site-nav a.is-active::after{transform:scaleX(1)}
.site-nav a.is-active{color:var(--ink)}

.nav-toggle{
  display:none;position:absolute;right:0;top:18px;
  background:none;border:0;padding:8px;
}
.nav-toggle span{display:block;width:22px;height:1.5px;background:#333;margin:5px 0;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;height:min(700px,78vh);overflow:hidden;background:#111}
.hero-slides{position:absolute;inset:0}
.hero-slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.4s ease;transform:scale(1.04);
}
.hero-slide.is-active{opacity:1;animation:heroZoom 9s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.04)}to{transform:scale(1.12)}}
.hero::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.22)}
.hero-caption{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:#fff;padding:0 20px;
}
.hero-caption h1{
  font-family:var(--serif);font-weight:700;font-size:clamp(34px,5.4vw,60px);
  letter-spacing:.02em;text-shadow:0 2px 24px rgba(0,0,0,.3);
}
.hero-caption p{
  margin-top:18px;font-family:var(--kr);font-size:clamp(15px,2vw,22px);
  letter-spacing:.06em;text-shadow:0 2px 18px rgba(0,0,0,.3);
}
.hero-dots{
  position:absolute;left:0;right:0;bottom:28px;z-index:3;
  display:flex;justify-content:center;gap:10px;
}
.hero-dots button{
  width:8px;height:8px;border-radius:50%;border:0;padding:0;
  background:rgba(255,255,255,.45);transition:.3s;
}
.hero-dots button.is-active{background:#fff;width:22px;border-radius:4px}

/* ---------- Section headings ---------- */
.sec-title{
  font-family:var(--sans);font-weight:700;font-size:36px;color:var(--ink-soft);
  letter-spacing:.04em;
}
.sec-sub{
  margin-top:14px;font-size:18px;font-weight:300;color:var(--sub);line-height:1.9;
}
.intro{padding-bottom:20px}

/* ---------- Services ---------- */
.services{padding-top:40px;padding-bottom:60px}
.service-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:36px 24px;
}
.service{text-align:center}
.circle{
  width:min(240px,100%);aspect-ratio:1;margin:0 auto 22px;
  border-radius:50%;overflow:hidden;position:relative;
  box-shadow:0 8px 30px rgba(0,0,0,.08);
}
.circle::after{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:6px solid rgba(255,255,255,.9);pointer-events:none;
}
.circle img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.service:hover .circle img{transform:scale(1.07)}
.service h3{font-family:var(--sans);font-size:20px;font-weight:700;color:var(--ink-soft)}
.service p{margin-top:8px;font-size:16px;color:#999}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Brand story ---------- */
.story{
  position:relative;padding:100px 0;color:#fff;text-align:center;
  background:url('../img/story-bg.jpg') center/cover fixed no-repeat;
}
.story::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.45)}
.story .container{position:relative;z-index:2}
.story-title{font-size:36px;font-weight:700;letter-spacing:.04em}
.story-body{margin-top:38px;display:grid;gap:26px}
.story-body p{font-size:18px;line-height:1.9;color:rgba(255,255,255,.95)}
.story-links{
  margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;
}
.story-links h4{font-size:24px;font-weight:700;margin-bottom:10px}
.story-links a{
  font-size:19px;font-weight:700;letter-spacing:.01em;
  border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:3px;
  transition:border-color .3s,opacity .3s;word-break:break-all;
}
.story-links a:hover{border-color:#fff;opacity:.85}

/* ---------- Estimate / contact ---------- */
.estimate{padding-bottom:80px}
.contact{margin-top:42px;display:grid;grid-template-columns:1fr 1.35fr;gap:50px;align-items:start}
.contact-info p{font-size:13px;color:#999;line-height:2.1}
.contact-form{display:grid;gap:16px}
.contact-form label{display:grid;gap:7px;font-size:13px;color:#8b8b8b}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form input[type=text],
.contact-form input[type=tel],
.contact-form input[type=email],
.contact-form textarea{
  font:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--line);background:#fcfbfa;border-radius:2px;
  padding:11px 13px;transition:border-color .25s,background .25s;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
}
.contact-form textarea{resize:vertical}
.agree{display:flex!important;flex-direction:row;align-items:center;gap:8px}
.agree input{accent-color:var(--accent)}
.btn{
  justify-self:start;background:var(--ink);color:#fff;border:0;border-radius:2px;
  padding:13px 40px;font-size:14px;letter-spacing:.06em;transition:background .3s;
}
.btn:hover{background:var(--accent)}
.form-note{font-size:12px;color:var(--accent)}

/* ---------- Portfolio ---------- */
.portfolio-head{padding:70px 0 10px}
.portfolio-head .num{
  font-family:'Montserrat',sans-serif;font-size:12px;font-weight:500;
  color:var(--accent);letter-spacing:.2em;display:block;margin-bottom:12px;
}
.port-title{font-family:'Cutive Mono',monospace;font-size:36px;color:#121212;letter-spacing:.06em}
.works{padding-top:40px;padding-bottom:20px}
.gallery-sec{padding-top:30px}

.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:44px 26px}
.work{cursor:pointer}
.work .thumb{position:relative;overflow:hidden;background:#f4f2f0;aspect-ratio:1}
.work .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.work .thumb::after{
  content:"";position:absolute;inset:0;background:rgba(0,0,0,0);transition:background .4s;
}
.work:hover .thumb img{transform:scale(1.06)}
.work:hover .thumb::after{background:rgba(0,0,0,.12)}
.work h5{
  margin:15px 0 0;font-family:var(--display);font-size:18px;font-weight:400;color:var(--ink);
}
.work p{margin-top:6px;font-size:13px;color:var(--muted)}
.work.is-hidden{display:none}

.more-wrap{margin-top:56px;text-align:center}
.btn-ghost{
  background:none;border:1px solid var(--line);color:#6d6d6d;
  padding:12px 34px;font-size:13px;letter-spacing:.05em;border-radius:2px;
  transition:border-color .3s,color .3s;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost[disabled]{opacity:.45;cursor:default}

/* ---------- Strip carousel ---------- */
.strip{overflow:hidden;padding:20px 0;background:#fff}
.strip-track{display:flex;gap:14px;width:max-content;animation:marquee 38s linear infinite}
.strip-track img{height:280px;width:auto;object-fit:cover;flex:0 0 auto}
.strip:hover .strip-track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:44px 0 52px;text-align:center}
.foot-nav{display:flex;justify-content:center;gap:28px;flex-wrap:wrap}
.foot-nav a{font-size:13px;color:#6d6d6d;transition:color .25s}
.foot-nav a:hover{color:var(--accent)}
.copy{margin-top:22px;font-family:var(--sans);font-size:11px;letter-spacing:.08em;color:#b1b1b1}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(15,15,15,.94);
  display:flex;align-items:center;justify-content:center;
}
.lightbox[hidden]{display:none}
.lightbox img{max-width:86vw;max-height:80vh;object-fit:contain}
.lightbox .lb-cap{
  position:absolute;bottom:34px;left:0;right:0;text-align:center;
  color:#e8e8e8;font-size:14px;letter-spacing:.04em;
}
.lightbox button{
  position:absolute;background:none;border:0;color:#fff;opacity:.7;transition:opacity .2s;
}
.lightbox button:hover{opacity:1}
.lb-close{top:22px;right:28px;font-size:34px;line-height:1}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);font-size:52px;line-height:1;padding:0 18px}
.lb-prev{left:12px}
.lb-next{right:12px}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .work-grid{grid-template-columns:repeat(3,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr);gap:40px 30px}
  .contact{grid-template-columns:1fr;gap:32px}
  .story{background-attachment:scroll}
}
@media (max-width:768px){
  :root{--header-h:70px}
  .header-inner{flex-direction:row;justify-content:space-between;padding:12px 0}
  .brand img{height:36px}
  .nav-toggle{display:block;position:static}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;gap:0;padding:0;overflow:hidden;max-height:0;
    transition:max-height .35s ease;border-top:1px solid var(--line);
  }
  .site-nav.is-open{max-height:280px}
  .site-nav a{padding:14px 20px;border-bottom:1px solid var(--line);font-size:15px}
  .site-nav a::after{display:none}
  .section{padding:56px 0 48px}
  .sec-title{font-size:27px}
  .sec-sub{font-size:15px}
  .work-grid{grid-template-columns:repeat(2,1fr);gap:26px 14px}
  .work h5{font-size:15px}
  .story{padding:70px 0}
  .story-title{font-size:27px}
  .story-body p{font-size:15px}
  .story-links{grid-template-columns:1fr;gap:26px;margin-top:40px}
  .story-links h4{font-size:19px}
  .story-links a{font-size:16px}
  .row2{grid-template-columns:1fr}
  .strip-track img{height:170px}
  .port-title{font-size:27px}
  .lb-prev,.lb-next{font-size:38px;padding:0 8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

@media (max-width:400px){
  .sec-sub{font-size:14px}
  .story-body p{font-size:14px}
  .contact-info p{font-size:12px}
}