:root{
  --bg:#faf7f4; --bg2:#fff; --ink:#251c18; --ink2:#6d5b52; --line:#e8ddd4;
  --accent:#a8563a; --accent2:#c4765a; --ok:#2f6b4f; --shadow:0 8px 28px rgba(60,36,24,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,sans-serif;
  line-height:1.6; -webkit-text-size-adjust:100%;
}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{line-height:1.3;margin:0 0 .4em}
.site{display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:14px 20px;max-width:1080px;margin:0 auto;font-size:14px;color:var(--ink2)}
.site nav{display:flex;gap:16px}
.brand{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.02em}
main{max-width:1080px;margin:0 auto;padding:0 20px 60px}

/* hero */
.hero{padding:26px 0 6px;text-align:center}
.hero h1{font-size:clamp(26px,5vw,40px);letter-spacing:-.03em;font-weight:800}
.hero .sub{color:var(--ink2);font-size:15px;margin:0 0 22px}
.drop{
  background:var(--bg2); border:2px dashed var(--line); border-radius:var(--radius);
  padding:34px 18px; cursor:pointer; transition:.18s; max-width:520px; margin:0 auto;
}
.drop:hover,.drop.over{border-color:var(--accent2); background:#fff8f4; transform:translateY(-1px)}
.drop-icon{font-size:30px;color:var(--accent2);line-height:1}
.drop-main{font-weight:700;font-size:17px;margin-top:6px}
.drop-sub{color:var(--ink2);font-size:13px}
.samples{margin:16px 0 6px;font-size:13px;color:var(--ink2)}
.sample{margin:0 4px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font:inherit;font-size:13px;cursor:pointer}
.sample:hover{border-color:var(--accent2)}
.privacy{font-size:12.5px;color:var(--ink2);margin:14px auto 0;max-width:520px}

/* work */
.work{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:24px;margin-top:14px;align-items:start}
.stage{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.compare{position:relative;aspect-ratio:4/5;background:#efe7e1;border-radius:12px;overflow:hidden;user-select:none}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block}
#after{clip-path:inset(0 0 0 50%)}
.divider{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;opacity:.9;
  box-shadow:0 0 10px rgba(0,0,0,.35);transform:translateX(-1px);pointer-events:none}
#split{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.badge{position:absolute;left:10px;top:10px;background:rgba(0,0,0,.55);color:#fff;
  font-size:12px;padding:4px 9px;border-radius:999px}
.spinner{position:absolute;inset:auto 0 14px;margin:0 auto;width:max-content;background:rgba(0,0,0,.6);
  color:#fff;padding:6px 14px;border-radius:999px;font-size:13px}
.stage-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn{flex:1;min-width:120px;padding:12px 16px;border-radius:12px;border:0;background:var(--accent);
  color:#fff;font:inherit;font-weight:700;cursor:pointer;transition:.15s;text-align:center}
.btn:hover{background:#93472f}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:600}
.btn.ghost:hover{border-color:var(--accent2);background:#fff8f4}
.note{font-size:13px;color:var(--ink2);margin:10px 2px 0;min-height:1.4em}

/* panel */
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.panel h2{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2);margin:4px 0 10px}
.presets{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:18px}
.preset{padding:10px 8px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font:inherit;font-size:13.5px;cursor:pointer;text-align:center;color:var(--ink)}
.preset[aria-pressed="true"]{border-color:var(--accent);background:#fff3ec;color:var(--accent);font-weight:700}
.slider{display:block;font-size:13.5px;color:var(--ink2);margin:0 0 12px}
.slider input{width:100%;margin-top:6px;accent-color:var(--accent)}
.license{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink2)}
.license .pill{display:inline-block;background:#eef4ef;color:var(--ok);padding:2px 8px;border-radius:999px;font-size:12px}

/* cards & price */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:44px 0}
.cards div{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:16px}
.cards h3{font-size:15px}
.cards p{margin:0;color:var(--ink2);font-size:13.5px}
.pricebox{display:flex;justify-content:space-between;align-items:center;gap:20px;
  background:linear-gradient(180deg,#fff,#fdf3ee);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.pricebox h2{font-size:19px}
.pricebox h2 span{color:var(--accent)}
.pricebox ul{margin:8px 0 0;padding-left:18px;color:var(--ink2);font-size:14px}
.pricebox .btn{flex:0 0 auto;min-width:160px}
footer.site{border-top:1px solid var(--line);padding:22px 20px 40px;font-size:12.5px;flex-wrap:wrap}

/* toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;
  background:#2a1d17;color:#fff;padding:10px 18px;border-radius:999px;font-size:13.5px;
  transition:.22s;pointer-events:none;z-index:50}
#toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:820px){
  .work{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr;margin:28px 0}
  .pricebox{flex-direction:column;align-items:stretch;text-align:left}
  .compare{aspect-ratio:3/4}
}