/* ============================================================
   여백(Yeobaek) 홈스타일링 — style.css
   Luxury minimal / quiet premium. Tokens as CSS variables.
   ============================================================ */

:root{
  /* Colors */
  --wine:#710014;        /* Primary — Deep Wine */
  --wine-hover:#8a0019;
  --gold:#B38F6F;        /* Accent — Warm Taupe/Gold */
  --ivory:#F2F1ED;       /* BG Light */
  --ink:#161616;         /* BG Dark */

  /* Text on light */
  --t-l-1:rgba(22,22,22,.66);
  --t-l-2:rgba(22,22,22,.6);
  --t-l-3:rgba(22,22,22,.55);
  --t-l-4:rgba(22,22,22,.45);
  /* Text on dark */
  --t-d-1:rgba(242,241,237,.82);
  --t-d-2:rgba(242,241,237,.62);
  --t-d-3:rgba(242,241,237,.6);
  --t-d-4:rgba(242,241,237,.4);

  /* Type */
  --sans:'Pretendard',system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --latin:'Outfit',var(--sans);

  /* Layout */
  --maxw:1440px;
  --pad:clamp(20px,5vw,80px);

  /* Easing */
  --e-reveal:cubic-bezier(.16,1,.3,1);
  --e-fill:cubic-bezier(.5,0,.18,1);

  /* z-index */
  --z-loader:9999;
  --z-toast:9998;
  --z-lightbox:9997;
  --z-quick:900;
  --z-header:800;
  --z-menu:700;
}

/* ---------- reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ivory);color:var(--ink);
  font-family:var(--sans);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,video{display:block;max-width:100%}
button{font-family:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:600;letter-spacing:-.01em}
::selection{background:var(--wine);color:var(--ivory)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- utility ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{
  font-family:var(--latin);font-size:clamp(11px,1vw,13px);
  letter-spacing:.32em;text-transform:uppercase;color:var(--gold);
}
.balance{text-wrap:balance}
.pretty{text-wrap:pretty}

/* ---------- keyframes ---------- */
@keyframes ybFill{from{background-position:100% 0}to{background-position:0% 0}}
@keyframes ybFadeIn{from{opacity:0}to{opacity:1}}
@keyframes ybLoaderOut{to{opacity:0;visibility:hidden}}
@keyframes ybpulse{0%,100%{opacity:.35}50%{opacity:1}}

/* ============================================================
   LOADER
   ============================================================ */
#yb-loader{
  position:fixed;inset:0;z-index:var(--z-loader);background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  animation:ybLoaderOut .7s ease 1.9s forwards;
}
#yb-loader .loader-text{
  font-family:var(--latin);font-size:clamp(12px,1.6vw,17px);font-weight:300;
  letter-spacing:.4em;text-transform:uppercase;text-indent:.4em;
  background:linear-gradient(90deg,var(--gold) 50%,rgba(242,241,237,.18) 50%);
  background-size:200% 100%;background-position:100% 0;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:ybFill 1.85s var(--e-fill) .12s forwards;
}
#yb-main{opacity:0;animation:ybFadeIn 1s ease 1.55s forwards}

/* ============================================================
   HEADER
   ============================================================ */
#yb-header{
  position:fixed;top:0;left:0;right:0;z-index:var(--z-header);
  transition:background .5s ease,border-color .5s ease,backdrop-filter .5s ease;
  background:transparent;border-bottom:1px solid transparent;
}
#yb-header.solid{
  background:rgba(242,241,237,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(22,22,22,.08);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:22px var(--pad);
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:baseline;gap:10px}
.logo-mark{font-family:var(--sans);font-weight:600;font-size:24px;letter-spacing:.06em;color:var(--ivory);transition:color .4s}
.logo-sub{font-family:var(--latin);font-weight:300;font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:rgba(242,241,237,.55);transition:color .4s}
#yb-header.solid .logo-mark{color:var(--ink)}
#yb-header.solid .logo-sub{color:rgba(22,22,22,.45)}
.menu-btn{display:flex;align-items:center;gap:14px;background:none;border:none;cursor:pointer;padding:8px 0}
.menu-btn .label{font-family:var(--latin);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--ivory);transition:color .4s}
#yb-header.solid .menu-btn .label{color:var(--ink)}
.burger{display:flex;flex-direction:column;gap:6px;width:28px}
.burger span{display:block;width:28px;height:1.5px;background:var(--ivory);transition:transform .4s ease,background .4s ease}
#yb-header.solid .burger span{background:var(--ink)}
/* open state (menu overlay showing) */
body.menu-open #yb-header .logo-mark,
body.menu-open #yb-header .logo-sub,
body.menu-open #yb-header .menu-btn .label{color:var(--ivory)}
body.menu-open #yb-header .burger span{background:var(--ivory)}
body.menu-open #yb-header .burger span:nth-child(1){transform:translateY(3.75px) rotate(45deg)}
body.menu-open #yb-header .burger span:nth-child(2){transform:translateY(-3.75px) rotate(-45deg)}

/* ============================================================
   FULLSCREEN MENU
   ============================================================ */
#yb-menu{
  position:fixed;inset:0;z-index:var(--z-menu);background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(80px,10vw,120px) var(--pad);
  opacity:0;visibility:hidden;transition:opacity .55s ease,visibility .55s ease;
}
#yb-menu.open{opacity:1;visibility:visible}
.menu-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.menu-label{font-family:var(--latin);font-size:11px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold);margin-bottom:clamp(24px,4vw,48px)}
.menu-link{display:flex;align-items:baseline;gap:16px;padding:clamp(6px,.9vw,11px) 0}
.menu-link .no{font-family:var(--latin);font-size:13px;color:var(--gold);font-weight:300}
.menu-link .ko{font-family:var(--sans);font-weight:500;font-size:clamp(24px,4vw,48px);color:var(--ivory);letter-spacing:.01em;transition:color .35s}
.menu-link .en{font-family:var(--latin);font-size:clamp(13px,1.3vw,18px);color:var(--t-d-4);font-weight:300;letter-spacing:.06em}
.menu-link:hover .ko{color:var(--gold)}
.menu-cta{display:flex;gap:32px;margin-top:clamp(28px,4vw,52px);flex-wrap:wrap}
.menu-cta button{background:none;border:none;cursor:pointer;font-family:var(--latin);font-size:13px;letter-spacing:.14em;color:var(--t-d-3);text-transform:uppercase;transition:color .3s}
.menu-cta button:hover{color:var(--gold)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;height:100vh;min-height:640px;overflow:hidden;display:flex;align-items:flex-end;background:var(--ink)}
#yb-herobg{position:absolute;inset:0;z-index:0;overflow:hidden}
#yb-heroimg{width:100%;height:100%;object-fit:cover}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,22,22,.5) 0%,rgba(22,22,22,.12) 42%,rgba(22,22,22,.78) 100%)}
#yb-herocontent{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;width:100%;padding:0 var(--pad) clamp(48px,8vw,96px)}
.hero-eyebrow{margin-bottom:26px}
.hero h1{font-family:var(--sans);font-weight:600;font-size:clamp(38px,7.4vw,104px);line-height:1.02;color:var(--ivory)}
.hero h1 .line-mask{display:block;overflow:hidden;padding-bottom:.04em}
.hero p{margin-top:clamp(20px,2.4vw,34px);max-width:540px;font-size:clamp(15px,1.2vw,18px);line-height:1.85;color:var(--t-d-1);font-weight:300}
#yb-scrollcue{
  position:absolute;right:var(--pad);bottom:clamp(48px,8vw,96px);z-index:1;
  writing-mode:vertical-rl;font-family:var(--latin);font-size:11px;letter-spacing:.34em;
  color:rgba(242,241,237,.5);text-transform:uppercase;background:none;border:none;cursor:pointer;
  padding:8px 2px;display:flex;align-items:center;gap:14px;
}
#yb-scrollcue .tick{width:1px;height:44px;background:rgba(242,241,237,.4)}

/* ============================================================
   STATEMENT (word-fill)
   ============================================================ */
.statement{padding-block:clamp(90px,14vw,220px);background:var(--ivory)}
.statement .inner{max-width:1200px;margin:0 auto;padding-inline:var(--pad)}
.statement .eyebrow{margin-bottom:clamp(28px,4vw,52px)}
.statement p{font-family:var(--sans);font-weight:500;font-size:clamp(24px,3.6vw,52px);line-height:1.42;color:var(--ink)}
.statement .word{display:inline-block;opacity:.18;transition:opacity .18s linear;margin-right:.26em}

/* ============================================================
   FEATURE + STATS
   ============================================================ */
.feature{padding-bottom:clamp(80px,11vw,160px);background:var(--ivory);overflow:hidden}
.feature-media{position:relative;aspect-ratio:16/8;overflow:hidden}
.feature-media img{width:100%;height:120%;object-fit:cover;margin-top:-10%}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:clamp(20px,3vw,48px);margin-top:clamp(48px,6vw,88px);padding-top:clamp(36px,4vw,56px);border-top:1px solid rgba(22,22,22,.12)}
.stat .num{font-family:var(--latin);font-weight:300;font-size:clamp(38px,4.4vw,64px);color:var(--ink);line-height:1;white-space:nowrap}
.stat .num .suffix{color:var(--wine);font-size:.5em;margin-left:.04em}
.stat .cap{margin-top:10px;font-size:13px;color:var(--t-l-3)}

/* ============================================================
   SERVICES (sticky image swap)
   ============================================================ */
.services{background:var(--ink);color:var(--ivory);padding-block:clamp(70px,9vw,130px);overflow:visible}
.services .head{margin-bottom:clamp(40px,6vw,80px)}
.services .head .eyebrow{margin-bottom:20px}
.services h2{font-family:var(--sans);font-weight:600;font-size:clamp(28px,4.4vw,58px);line-height:1.12}
.services-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,90px);align-items:start}
.svc-sticky{position:sticky;top:10vh;height:80vh;border-radius:2px;overflow:hidden}
.svc-sticky img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .7s var(--e-reveal)}
.svc-sticky img.active{opacity:1}
.svc-list{display:flex;flex-direction:column}
.svc-item{padding-block:clamp(40px,9vw,96px);border-bottom:1px solid rgba(242,241,237,.15)}
.svc-item:last-child{border-bottom:none}
.svc-item .top{display:flex;align-items:baseline;gap:16px;margin-bottom:18px}
.svc-item .no{font-family:var(--latin);font-weight:300;font-size:clamp(28px,3vw,44px);color:rgba(242,241,237,.35);transition:color .5s}
.svc-item.active .no{color:var(--gold)}
.svc-item h3{font-family:var(--sans);font-weight:600;font-size:clamp(24px,2.6vw,38px)}
.svc-item p{font-size:clamp(15px,1.1vw,17px);line-height:1.9;color:var(--t-d-2);font-weight:300;max-width:460px}
.svc-inline{display:none;margin-top:24px;aspect-ratio:16/11;overflow:hidden}
.svc-inline img{width:100%;height:100%;object-fit:cover}

/* ============================================================
   ABOUT
   ============================================================ */
.about{padding-block:clamp(80px,11vw,160px);background:var(--ivory);overflow:hidden}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:clamp(40px,6vw,90px);align-items:center}
.about-photo{position:relative;aspect-ratio:4/5;overflow:hidden;max-width:460px}
.about-photo img{width:100%;height:122%;object-fit:cover;margin-top:-11%}
.about .eyebrow{margin-bottom:22px}
.about h2{font-family:var(--sans);font-weight:600;font-size:clamp(26px,3.6vw,46px);line-height:1.28;color:var(--ink)}
.about h2 .name{position:relative;color:var(--wine);white-space:nowrap}
.about h2 .name .hl{position:absolute;left:0;bottom:.04em;height:.1em;width:100%;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 1s var(--e-reveal) .3s}
.about h2.hl-on .name .hl{transform:scaleX(1)}
.about .lead{margin-top:28px;max-width:520px;font-size:clamp(16px,1.35vw,20px);line-height:1.7;color:var(--ink);font-weight:400}
.about .body{margin-top:16px;max-width:520px;font-size:clamp(15px,1.1vw,16px);line-height:1.95;color:var(--t-l-2);font-weight:300}
.about .sign{display:flex;align-items:center;gap:16px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(22,22,22,.14)}
.about .sign .col{display:flex;flex-direction:column;gap:5px}
.about .sign .nm{display:flex;align-items:baseline;gap:10px}
.about .sign .nm b{font-family:var(--sans);font-weight:600;font-size:19px;color:var(--ink)}
.about .sign .nm .en{font-family:var(--latin);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--t-l-4)}
.about .sign .role{font-family:var(--latin);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.about .cred{margin-top:20px;font-size:13px;color:var(--t-l-3);font-weight:300}

/* ============================================================
   SIGNATURE full-bleed
   ============================================================ */
.signature{position:relative;height:clamp(460px,80vh,760px);overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
.signature .bg{position:absolute;inset:0;z-index:0}
.signature .bg img{width:100%;height:100%;object-fit:cover}
.signature .bg::after{content:"";position:absolute;inset:0;background:rgba(22,22,22,.5)}
.signature .inner{position:relative;z-index:1;padding-inline:var(--pad)}
.signature .eyebrow{margin-bottom:24px}
.signature h2{font-family:var(--sans);font-weight:600;font-size:clamp(30px,5.6vw,80px);line-height:1.12;color:var(--ivory)}
.signature p{margin:26px auto 0;max-width:560px;font-size:clamp(15px,1.2vw,18px);line-height:1.85;color:var(--t-d-1);font-weight:300}

/* ============================================================
   PORTFOLIO (pinned horizontal)
   ============================================================ */
.portfolio{position:relative;background:var(--ivory)}
.pf-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;padding-block:clamp(48px,7vh,110px)}
.pf-head{max-width:var(--maxw);margin:0 auto;width:100%;padding:0 var(--pad);display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:clamp(24px,3vw,44px)}
.pf-head .eyebrow{margin-bottom:16px}
.pf-head h2{font-family:var(--sans);font-weight:600;font-size:clamp(26px,4vw,54px);line-height:1.1}
.pf-head .hint{font-family:var(--latin);font-size:11px;letter-spacing:.2em;color:var(--t-l-4);text-transform:uppercase}
.pf-track{display:flex;gap:clamp(16px,2vw,30px);padding:0 var(--pad);will-change:transform;cursor:pointer}
.pf-card{flex:0 0 auto;width:min(64vw,940px)}
.pf-card .thumb{aspect-ratio:3/2;overflow:hidden}
.pf-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--e-reveal)}
.pf-card:hover .thumb img{transform:scale(1.04)}
.pf-card .meta{display:flex;justify-content:space-between;align-items:baseline;margin-top:16px}
.pf-card .meta h3{font-size:clamp(17px,1.4vw,21px);font-weight:500}
.pf-card .meta .tag{font-family:var(--latin);font-size:11px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}

/* ============================================================
   BEFORE & AFTER
   ============================================================ */
.ba{padding-block:clamp(80px,11vw,160px);background:var(--ink);color:var(--ivory);overflow:hidden}
.ba-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:clamp(36px,5vw,64px)}
.ba-head .eyebrow{margin-bottom:20px}
.ba-head h2{font-family:var(--sans);font-weight:600;font-size:clamp(26px,4vw,52px);line-height:1.2;color:var(--ivory)}
.ba-head p{max-width:360px;font-size:15px;line-height:1.85;color:var(--t-d-3);font-weight:300}
.ba-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(12px,1.4vw,20px)}
.ba figure{margin:0}
.ba-compare{position:relative;aspect-ratio:4/3;overflow:hidden;touch-action:none;user-select:none;cursor:ew-resize}
.ba-compare video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.ba-compare video.before{clip-path:inset(0 50% 0 0)}
.ba-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:rgba(242,241,237,.92);transform:translateX(-1px);pointer-events:none}
.ba-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:rgba(242,241,237,.95);color:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.ba-tag{position:absolute;bottom:14px;font-family:var(--latin);font-size:11px;letter-spacing:.18em;padding:5px 12px;border-radius:100px;pointer-events:none}
.ba-tag.before{left:14px;color:var(--ivory);background:rgba(22,22,22,.55)}
.ba-tag.after{right:14px;color:var(--ink);background:rgba(242,241,237,.88)}
.ba figcaption{display:flex;justify-content:space-between;align-items:baseline;margin-top:16px}
.ba figcaption .t{font-size:clamp(16px,1.4vw,19px);font-weight:500}
.ba figcaption .d{font-family:var(--latin);font-size:12px;letter-spacing:.1em;color:rgba(242,241,237,.5)}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{padding-block:clamp(80px,11vw,160px);background:var(--ivory);color:var(--ink);overflow:hidden}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(40px,6vw,96px)}
.contact .eyebrow{margin-bottom:24px}
.contact h2{font-family:var(--sans);font-weight:600;font-size:clamp(30px,4.8vw,66px);line-height:1.12}
.contact .desc{margin-top:26px;max-width:440px;font-size:clamp(15px,1.1vw,17px);line-height:1.85;color:var(--t-l-2);font-weight:300}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn-line{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border:1px solid rgba(22,22,22,.2);background:none;cursor:pointer;font-size:14px;letter-spacing:.02em;transition:border-color .3s,color .3s}
.btn-line:hover{border-color:var(--wine);color:var(--wine)}
.contact form{display:flex;flex-direction:column;gap:22px}
.field{display:flex;flex-direction:column;gap:10px}
.field span{font-size:13px;letter-spacing:.06em;color:var(--t-l-3)}
.field input,.field textarea{background:none;border:none;border-bottom:1px solid rgba(22,22,22,.2);padding:12px 0;color:var(--ink);font-size:16px;font-family:inherit;outline:none;transition:border-color .3s}
.field input:focus,.field textarea:focus{border-bottom-color:var(--wine)}
.field textarea{resize:vertical}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t-l-3);line-height:1.6}
.agree input{margin-top:3px;accent-color:var(--wine)}
.agree a{color:var(--wine);text-decoration:underline}
.submit{margin-top:6px;background:var(--wine);color:var(--ivory);border:none;padding:18px;font-size:15px;font-weight:500;letter-spacing:.04em;cursor:pointer;transition:background .3s}
.submit:hover{background:var(--wine-hover)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:var(--ivory);padding-block:clamp(56px,7vw,96px) 40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(32px,4vw,64px);align-items:start}
.footer .brand{display:flex;align-items:baseline;gap:10px;margin-bottom:20px}
.footer .brand b{font-family:var(--sans);font-weight:600;font-size:26px;letter-spacing:.06em}
.footer .brand .en{font-family:var(--latin);font-weight:300;font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:rgba(242,241,237,.45)}
.footer .desc{font-size:14px;line-height:1.8;color:var(--t-d-3);font-weight:300;max-width:280px}
.socials{display:flex;gap:12px;margin-top:24px}
.socials a{width:40px;height:40px;border:1px solid rgba(242,241,237,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.3s}
.socials a:hover{background:var(--ivory);color:var(--ink)}
.foot-h{font-family:var(--latin);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:20px}
.sitemap{display:flex;flex-direction:column;gap:12px;font-size:15px;color:rgba(242,241,237,.7)}
.sitemap a{transition:color .3s}
.sitemap a:hover{color:var(--gold)}
.biz-btn{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:320px;background:none;border:none;cursor:pointer;padding:0;text-align:left}
.biz-btn .foot-h{margin-bottom:0}
.biz-icon{display:inline-block;transition:transform .4s ease;font-size:18px;color:rgba(242,241,237,.5)}
.biz-panel{overflow:hidden;transition:max-height .5s ease,opacity .4s ease;max-height:0;opacity:0}
.biz-panel.open{max-height:320px;opacity:1}
.biz-panel.open ~ .biz-icon,
.biz-btn.open .biz-icon{transform:rotate(45deg)}
.biz-panel .body{font-size:13.5px;line-height:2;color:var(--t-d-3);font-weight:300;padding-top:18px;max-width:340px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:clamp(40px,5vw,72px);padding-top:28px;border-top:1px solid rgba(242,241,237,.13)}
.copyright{font-family:var(--latin);font-size:12px;letter-spacing:.04em;color:rgba(242,241,237,.45)}
.foot-links{display:flex;gap:24px;font-size:13px;color:var(--t-d-3)}
.foot-links a{transition:color .3s}
.foot-links a:hover{color:var(--gold)}
.foot-links a strong{font-weight:500}

/* ============================================================
   QUICK MENU
   ============================================================ */
#yb-quick{position:fixed;right:clamp(14px,2vw,28px);bottom:clamp(16px,2.5vw,36px);z-index:var(--z-quick);display:flex;flex-direction:column;gap:10px;opacity:0;pointer-events:none;transition:opacity .4s ease}
#yb-quick.show{opacity:1;pointer-events:auto}
.quick-btn{width:clamp(56px,5vw,68px);height:clamp(56px,5vw,68px);border-radius:50%;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;transition:transform .3s}
.quick-btn:hover{transform:translateY(-3px)}
.quick-btn .lbl{font-family:var(--latin);font-size:9px;letter-spacing:.1em;font-weight:500}
.quick-kakao{background:var(--wine);color:var(--ivory);box-shadow:0 10px 30px rgba(113,0,20,.35)}
.quick-top{background:var(--ink);color:var(--ivory);border:1px solid rgba(242,241,237,.18);box-shadow:0 10px 30px rgba(22,22,22,.3)}

/* ============================================================
   LIGHTBOX
   ============================================================ */
#yb-lightbox{position:fixed;inset:0;z-index:var(--z-lightbox);background:rgba(14,14,14,.95);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s ease;display:flex;align-items:center;justify-content:center;padding:clamp(20px,6vw,90px)}
#yb-lightbox.open{opacity:1;visibility:visible}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--ivory);cursor:pointer;opacity:.6;transition:opacity .35s}
.lb-btn:hover{opacity:1}
.lb-close{top:clamp(20px,3vw,34px);right:clamp(20px,3vw,40px);width:44px;height:44px}
.lb-prev{left:clamp(12px,3vw,44px);top:50%;transform:translateY(-50%);width:56px;height:56px}
.lb-next{right:clamp(12px,3vw,44px);top:50%;transform:translateY(-50%);width:56px;height:56px}
#yb-lb-img{max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 40px 90px rgba(0,0,0,.55)}
#yb-lb-count{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-family:var(--latin);font-size:12px;letter-spacing:.2em;color:rgba(242,241,237,.7)}

/* ============================================================
   TOAST
   ============================================================ */
#yb-toast{position:fixed;left:50%;bottom:40px;z-index:var(--z-toast);background:var(--wine);color:var(--ivory);padding:16px 28px;border-radius:100px;font-size:14px;letter-spacing:.01em;box-shadow:0 20px 50px rgba(0,0,0,.35);pointer-events:none;transition:all .5s var(--e-reveal);transform:translateX(-50%) translateY(24px);opacity:0}
#yb-toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ============================================================
   REVEAL (entrance) base states
   ============================================================ */
[data-anim]{will-change:opacity,transform}
[data-anim="up"]{opacity:0;transform:translateY(52px);transition:opacity 1.05s var(--e-reveal),transform 1.15s var(--e-reveal)}
[data-anim="left"]{opacity:0;transform:translateX(-72px);transition:opacity 1.05s var(--e-reveal),transform 1.15s var(--e-reveal)}
[data-anim="right"]{opacity:0;transform:translateX(72px);transition:opacity 1.05s var(--e-reveal),transform 1.15s var(--e-reveal)}
[data-anim="scale"]{opacity:0;transform:scale(.9);transition:opacity 1.05s var(--e-reveal),transform 1.15s var(--e-reveal)}
[data-anim="img"]{opacity:0;transform:scale(1.14);transition:opacity 1.05s var(--e-reveal),transform 1.5s var(--e-reveal)}
[data-anim="line"]{transform:translateY(115%);transition:transform 1.1s var(--e-reveal)}
[data-anim="line-wrap"]{opacity:0;transform:translateY(40px);transition:opacity 1.05s var(--e-reveal),transform 1.15s var(--e-reveal)}
[data-anim="wipe"]{clip-path:inset(0 100% 0 0);transition:clip-path 1.3s cubic-bezier(.7,0,.2,1)}
[data-anim].shown{opacity:1;transform:none}
[data-anim="wipe"].shown{clip-path:inset(0 0 0 0)}

/* ============================================================
   MOBILE (single breakpoint)
   ============================================================ */
@media (max-width:767px){
  [data-hide-mobile]{display:none!important}
  .svc-sticky{display:none}
  .services-grid{grid-template-columns:1fr!important}
  .svc-inline{display:block}
  .about-photo{max-width:none;margin:0 auto}
  #yb-quick{gap:8px}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important}
  [data-anim]{opacity:1!important;transform:none!important;clip-path:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   MOBILE SLIDER (portfolio + services) — controls below content
   ============================================================ */
.slider-ctrl{display:none}

@media (max-width:767px){
  /* ---- slider control bar ---- */
  .slider-ctrl{
    display:flex;align-items:center;justify-content:center;gap:14px;
    margin-top:18px;padding-inline:var(--pad);
  }
  .portfolio .slider-ctrl{color:var(--ink)}
  .services .slider-ctrl{color:var(--ivory)}
  .s-arrow{
    width:38px;height:38px;flex:0 0 38px;border-radius:50%;
    border:1px solid currentColor;background:none;color:inherit;
    display:flex;align-items:center;justify-content:center;
    opacity:.65;cursor:pointer;transition:opacity .3s;-webkit-tap-highlight-color:transparent;
  }
  .s-arrow:active{opacity:1}
  .s-dots{display:flex;align-items:center;gap:7px}
  .s-dots button{
    width:16px;height:2px;border:none;padding:0;background:currentColor;
    opacity:.28;cursor:pointer;transition:width .3s,opacity .3s;
  }
  .s-dots button.active{opacity:1;width:26px}

  /* ---- portfolio as slider ---- */
  #portfolio .pf-sticky{padding-block:40px;padding-inline:var(--pad)}
  #portfolio .pf-head{padding:0;margin-bottom:16px}
  #portfolio .pf-track{padding:0;gap:0;overflow:hidden;cursor:default}
  #portfolio .pf-card{width:100%}
  #portfolio .pf-card .thumb img{transition:none}

  /* ---- services as slider ---- */
  .services-grid{display:block}
  .svc-list{display:flex;flex-direction:row;gap:0;overflow:hidden}
  .svc-item{
    flex:0 0 100%;max-width:100%;display:flex;flex-direction:column;
    padding-block:0;padding-inline:0;border-bottom:none;
  }
  .svc-item .svc-inline{display:block;order:-1;margin-top:0;margin-bottom:14px;aspect-ratio:4/3;border-radius:4px}
  .svc-item .top{margin-bottom:10px}
  .svc-item p{max-width:none}
}

/* ============================================================
   MOBILE COMPACT SCALE (app-like) — overrides, keep desktop intact
   ============================================================ */
@media (max-width:767px){
  .eyebrow{font-size:10px !important;letter-spacing:.24em}

  /* Hero */
  .hero{min-height:560px}
  .hero h1{font-size:32px}
  .hero p{font-size:14px;margin-top:16px;line-height:1.7}
  .hero-eyebrow{margin-bottom:14px}
  #yb-herocontent{padding-bottom:40px}

  /* Statement */
  .statement{padding-block:52px}
  .statement .eyebrow{margin-bottom:20px}
  .statement p{font-size:20px;line-height:1.4}

  /* Feature + stats */
  .feature{padding-bottom:44px}
  .stats{grid-template-columns:1fr 1fr;gap:18px 14px;margin-top:30px;padding-top:24px}
  .stat .num{font-size:30px}
  .stat .cap{font-size:11px;margin-top:5px}

  /* Services */
  .services{padding-block:44px}
  .services .head{margin-bottom:22px}
  .services h2{font-size:22px}
  .svc-item h3{font-size:20px}
  .svc-item .no{font-size:24px}
  .svc-item p{font-size:14px;line-height:1.75}

  /* About */
  .about{padding-block:46px}
  .about-grid{gap:22px}
  .about h2{font-size:22px;line-height:1.32}
  .about .lead{font-size:15px;margin-top:16px}
  .about .body{font-size:14px;margin-top:12px;line-height:1.8}
  .about .sign{margin-top:20px;padding-top:18px}
  .about .cred{font-size:12px;margin-top:14px}

  /* Signature */
  .signature{height:auto;min-height:320px;padding-block:60px}
  .signature h2{font-size:30px}
  .signature p{font-size:14px;margin-top:14px}

  /* Portfolio head */
  .pf-head h2{font-size:24px}

  /* Before & After */
  .ba{padding-block:46px}
  .ba-head{margin-bottom:22px}
  .ba-head h2{font-size:22px}
  .ba-grid{gap:34px}
  .ba figcaption{margin-top:14px}
  .ba-head p{font-size:13px}
  .ba figcaption .t{font-size:15px}
  .ba figcaption .d{font-size:11px}

  /* Contact */
  .contact{padding-block:46px}
  .contact h2{font-size:26px}
  .contact .desc{font-size:14px;margin-top:16px}
  .contact form{gap:16px}
  .field span{font-size:12px}
  .field input,.field textarea{font-size:15px;padding:10px 0}
  .submit{padding:15px;font-size:14px}

  /* Footer compact */
  .footer{padding-block:44px 28px}
  .footer-grid{gap:22px}
  .footer .brand b{font-size:22px}
  .footer .desc{font-size:13px}
  .foot-bottom{margin-top:26px;padding-top:18px}
  .copyright{font-size:11px}
  .foot-links{font-size:12px;gap:18px}

  /* Quick menu slightly smaller */
  #yb-quick{right:14px;bottom:16px}
}