:root{
  --paper:#fbf7f1; --linen:#efe6f2; --linen-2:#e4d6ea;
  --ink:#3b2f3f; --ink-soft:#6f6175; --rose:#c76b86; --rose-deep:#a84f6b;
  --gold:#b88a3e; --line:#e6dbe3; --card:#ffffffcc;
  --serif:"Cormorant Garamond","Gowun Batang",Georgia,serif;
  --sans:"Pretendard","Noto Sans KR",-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;word-break:keep-all;overflow-wrap:break-word;background:var(--paper);color:var(--ink);font:16px/1.75 var(--sans);
  background-image:
    radial-gradient(1200px 520px at 85% -10%,#f3e3ec 0,transparent 60%),
    radial-gradient(900px 480px at -10% 10%,#ece4f6 0,transparent 55%);
  background-attachment:fixed}
a{color:var(--rose-deep);text-underline-offset:3px}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* language switch: html[data-l] shows one language */
html[data-l="ko"] .en, html[data-l="en"] .ko{display:none!important}
html[data-l="ko"] .eyebrow{letter-spacing:.08em}

header.top{position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);background:#fbf7f1d9;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;white-space:nowrap;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:600 19px/1 var(--serif);letter-spacing:.02em}
.brand .mark{width:26px;height:26px;border-radius:50%;background:conic-gradient(from 210deg,#f3c6d4,#c76b86,#b88a3e,#f6e3b5,#f3c6d4);box-shadow:inset 0 0 0 3px #fff8}
nav.links{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px}
nav.links a{color:var(--ink-soft);text-decoration:none}
nav.links a:hover{color:var(--ink)}
.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 4px;display:flex;gap:2px}
.lang button{white-space:nowrap;border:0;background:transparent;font:500 12px/1 var(--sans);padding:6px 10px;border-radius:999px;color:var(--ink-soft);cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}

h1,h2,h3{font-variant-numeric:lining-nums;font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:.01em;margin:0}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}

/* hero */
.hero{padding:72px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,64px);margin:14px 0 18px}
.hero p.lead{font-size:18px;color:var(--ink-soft);max-width:30em;margin:0}
.gemrow{display:flex;gap:10px;margin-top:28px}
.gem{display:block;width:46px;height:46px;background-size:100% 1600%;background-repeat:no-repeat;animation:spark 2.6s steps(16) infinite;filter:drop-shadow(0 4px 6px #8a4b6340)}
@keyframes spark{from{background-position:0 0}to{background-position:0 106.6667%}}
@media (prefers-reduced-motion:reduce){.gem{animation:none;background-position:0 80%}}

.feature{position:relative;border-radius:28px;overflow:hidden;box-shadow:0 30px 60px -30px #6b3d5a66,0 0 0 1px #fff inset;background:var(--linen)}
.feature img{width:100%;height:auto;aspect-ratio:880/792;object-fit:cover}
.feature .tag{position:absolute;left:14px;top:14px;background:#fffffff0;border-radius:999px;padding:8px 14px;font-size:13px;color:var(--ink);box-shadow:0 6px 18px -8px #0003}

section{padding:56px 0}
section h2{font-size:clamp(28px,4vw,38px);margin:10px 0 14px}
.muted{color:var(--ink-soft)}

/* app card */
.app{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 20px 50px -35px #6b3d5a55}
.app .icon{width:132px;height:132px;border-radius:30px;box-shadow:0 14px 30px -14px #6b3d5a88}
.app h3{font-size:30px}
.app p{margin:8px 0 16px;color:var(--ink-soft)}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{font-size:13px;padding:6px 12px;border-radius:999px;background:var(--linen);color:var(--ink)}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;text-decoration:none;font-weight:600;font-size:14px;border:1px solid var(--ink);color:var(--ink)}
.btn.primary{background:var(--ink);color:#fff}
.btn.soon{border-style:dashed;color:var(--ink-soft);border-color:var(--ink-soft);cursor:default}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px}
.tile h3{font-size:22px;margin:12px 0 6px}
.tile p{margin:0;color:var(--ink-soft);font-size:15px}
.tile .gem{width:40px;height:40px}

/* documents */
.doc{padding:48px 0 64px}
.doc h1{font-size:clamp(34px,5vw,48px);margin:10px 0 6px}
.doc .meta{color:var(--ink-soft);font-size:14px;margin-bottom:28px}
.doc h2{font-family:var(--sans);font-size:21px;margin:36px 0 10px;padding-top:6px;border-top:1px solid var(--line)}
.doc h2:first-of-type{border-top:0}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.doc th,.doc td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{background:var(--linen);font-weight:600}
.doc tr:last-child td{border-bottom:0}
.doc ul,.doc ol{padding-left:1.3em}
.toc{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 22px;font-size:15px}
.toc ol{margin:6px 0}
.note{background:#fff6f0;border:1px solid #f1d9c8;border-radius:16px;padding:14px 18px;font-size:15px}

.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:8px 0 0;color:var(--ink-soft)}

footer{border-top:1px solid var(--line);padding:30px 0 40px;font-size:14px;color:var(--ink-soft)}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center}
footer a{color:var(--ink-soft)}
footer .sp{margin-left:auto}

@media (max-width:820px){
  .hero{padding:40px 0 20px}
  .hero .wrap{grid-template-columns:1fr;gap:28px}
  .grid3{grid-template-columns:1fr}
  .feature .tag{display:none}
  .app{grid-template-columns:1fr;text-align:left}
  .app .icon{width:96px;height:96px;border-radius:22px}
  nav.links a{display:none}
  nav.links{gap:10px}
  footer .sp{margin-left:0}
}