:root{
  --bg:#f4efe6;--bg2:#fffdf8;--paper:#fbf7ee;
  --ink:#1f1a14;--ink2:#6a5f52;--line:#e2d9c8;
  --gold:#bb9a65;--gold2:#dcc08a;--navy:#152235;--navy2:#22345a;
  --radius:16px;
  --serif:"Noto Serif KR","Nanum Myeongjo",serif;
  --sans:"Noto Sans KR","Apple SD Gothic Neo",sans-serif;
}
[data-theme="dark"]{
  --bg:#0f1116;--bg2:#171a22;--paper:#1b1e27;
  --ink:#ece4d6;--ink2:#a89d8c;--line:#2a2e3a;
  --gold:#c9a86e;--gold2:#8f7447;--navy:#0f1826;--navy2:#1a2540;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%}

/* ---------- header ---------- */
.logo{display:flex;align-items:center}
.logo img{height:74px;width:auto}

.top{position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top);background:var(--navy);color:#fff;border-bottom:2px solid var(--gold)}
.top .in{max-width:1100px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:16px}
.nav{margin-left:auto;display:flex;gap:6px}
.nav a{padding:11px 18px;border-radius:9px;font-size:17px;color:#d6dce8;font-weight:600}
.nav a.on,.nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.theme{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.12);font-size:18px;margin-left:6px}

/* ---------- hero slider ---------- */
.hero{position:relative;height:clamp(420px,54vw,780px);overflow:hidden;background:#000}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;background-size:cover;background-position:center top}
.slide.on{opacity:1}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,28,.82) 0%,rgba(10,14,28,.45) 45%,rgba(10,14,28,.05) 100%),linear-gradient(0deg,rgba(10,14,28,.85),transparent 45%)}
.slide .in{position:relative;z-index:2;max-width:1100px;margin:0 auto;padding:0 18px;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}
.slide .tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:3px;color:var(--gold2);margin-bottom:14px}
.slide .tag::before{content:"";width:28px;height:1px;background:var(--gold2)}
.slide h1{font-family:var(--serif);font-size:50px;line-height:1.2;font-weight:700;max-width:640px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.slide h1 em{font-style:normal;color:var(--gold2)}
.slide p{margin-top:18px;max-width:560px;font-size:17px;color:#e3e7f0;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.slide .cta{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:10px;font-weight:700;font-size:15px;background:var(--gold);color:#131d31;border:1px solid var(--gold)}
.btn.ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn:hover{filter:brightness(1.08)}
.dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.dots i{width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer}
.dots i.on{background:var(--gold2)}
.promise-list{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:15px;color:#e3e7f0}
.promise-list span::before{content:"✓";color:var(--gold2);font-weight:700;margin-right:10px}
.promise-list small{color:var(--gold2);font-size:12px;margin-left:6px;letter-spacing:1px}

/* ---------- strip ---------- */
.strip{background:var(--navy2);color:#fff}
.strip .in{max-width:1100px;margin:0 auto;padding:16px 18px;display:flex;gap:30px;flex-wrap:wrap;align-items:center}
.strip .st b{font-family:var(--serif);font-size:24px;color:var(--gold2);margin-right:6px}
.strip .st{font-size:13px;color:#c5cde0}
.strip .cont{margin-left:auto;display:flex;align-items:center;gap:12px;padding:8px 14px 8px 8px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.strip .cont .ic{width:38px;height:38px;border-radius:9px;background:var(--gold);display:grid;place-items:center;color:#131d31;font-size:18px}
.strip .cont small{display:block;font-size:11px;color:#9aa6c0}
.strip .cont b{font-family:var(--serif);font-size:15px}

section.wrap{max-width:1100px;margin:0 auto;padding:44px 18px}
.sec-h{display:flex;align-items:baseline;gap:14px;margin-bottom:22px}
.sec-h h2{font-family:var(--serif);font-size:26px}
.sec-h span{color:var(--ink2);font-size:14px}

/* ---------- volume cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.vol{position:relative;height:270px;border-radius:var(--radius);overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;isolation:isolate;transition:transform .2s,box-shadow .2s;border:1px solid rgba(255,255,255,.08);
  background:radial-gradient(120% 90% at 100% 0%,rgba(187,154,101,.35),transparent 55%),linear-gradient(160deg,#243a63 0%,#152235 55%,#0e1727 100%)}
.vol .cv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.vol::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,12,24,.95) 25%,rgba(8,12,24,.35) 65%,transparent);z-index:-1}
.vol::after{content:attr(data-no);position:absolute;top:-18px;right:6px;font-family:var(--serif);font-size:150px;font-weight:700;line-height:1;color:rgba(255,255,255,.05);z-index:-1;pointer-events:none}
.vol:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.3)}
.vol .no{font-family:var(--serif);font-size:12px;letter-spacing:3px;color:var(--gold2)}
.vol h3{font-family:var(--serif);font-size:22px;line-height:1.25;margin-top:6px}
.vol .range{font-size:13px;color:#c5cde0;margin-top:4px}
.vol .era{position:absolute;top:14px;left:14px;font-size:11px;padding:4px 10px;border-radius:20px;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.18)}
.vol .badge{position:absolute;top:14px;right:14px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;background:var(--gold);color:#131d31}
.vol .badge.soon{background:rgba(255,255,255,.12);color:#dfe4ee;border:1px solid rgba(255,255,255,.25)}
.vol .bar{height:5px;background:rgba(255,255,255,.15);border-radius:4px;overflow:hidden;margin-top:14px}
.vol .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold2),var(--gold))}
.vol .meta{display:flex;justify-content:space-between;font-size:12px;color:#c5cde0;margin-top:6px}
.vol.soon{opacity:.75}


/* why cards */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.why div{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:22px}
.why b{display:block;font-family:var(--serif);font-size:18px;margin-bottom:8px}
.why b::before{content:"";display:block;width:28px;height:3px;background:var(--gold);margin-bottom:12px}
.why p{font-size:14px;color:var(--ink2)}

/* ---------- toc ---------- */
.toc{max-width:760px;margin:0 auto;padding:40px 20px 80px}
.toc .cover{height:200px;border-radius:var(--radius);background:radial-gradient(120% 90% at 100% 0%,rgba(187,154,101,.35),transparent 55%),linear-gradient(160deg,#243a63,#152235 55%,#0e1727);position:relative;overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;margin-bottom:26px}
.toc .cover::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,12,24,.6),transparent)}
.toc .cover .cv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.toc .cover *{position:relative}
.toc .cover .k{font-size:12px;letter-spacing:3px;color:var(--gold2)}
.toc .cover h1{font-family:var(--serif);font-size:30px}
.toc .cover .sub{color:#c5cde0;font-size:14px;margin-top:4px}
.toc ol{list-style:none;display:flex;flex-direction:column;gap:6px}
.toc li a{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:14px 16px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;transition:border-color .15s,transform .15s}
.toc li a:hover{border-color:var(--gold);transform:translateX(4px)}
.toc li .n{font-family:var(--serif);color:var(--gold);font-size:20px}
.toc li b{font-family:var(--serif);font-weight:600;font-size:16px}
.toc li .r{font-size:12px;color:var(--ink2)}
.toc li.soon a{opacity:.45;pointer-events:none}
.toc li.soon .r::after{content:" · 준비중"}

/* ---------- book reader ---------- */
body.reading{overflow:hidden;height:100vh;height:100dvh;display:flex;flex-direction:column}
body.reading .top{flex:none}
.book-wrap{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;background:var(--bg)}
.book-head{flex:none;max-width:860px;width:100%;margin:0 auto;padding:16px 24px 0;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.book-head .vt{font-size:11px;letter-spacing:3px;color:var(--gold)}
.book-head h1{font-family:var(--serif);font-size:22px;font-weight:700}
.book-head .ref{font-size:12px;color:var(--ink2);margin-left:auto}
.book{position:relative;flex:1;max-width:860px;width:100%;margin:12px auto 0;background:var(--paper);border:1px solid var(--line);border-radius:16px 16px 0 0;box-shadow:0 20px 50px rgba(0,0,0,.12);overflow:hidden;perspective:1800px}
.book::before{content:"";position:absolute;inset:0 0 0 0;background:linear-gradient(90deg,rgba(0,0,0,.05),transparent 3%,transparent 97%,rgba(0,0,0,.05));pointer-events:none;z-index:3}
.viewport{position:absolute;inset:0;padding:30px 44px 14px;overflow:hidden}
.pages{will-change:transform;font-family:var(--serif);font-size:var(--fs,18px);line-height:1.95;color:var(--ink)}
.pages p{margin:0 0 1.15em;text-indent:1em}

.pages h3{font-family:var(--serif);font-size:1.05em;margin:1.6em 0 .8em;color:var(--navy2);text-align:center;letter-spacing:2px}
.pages .sec:first-child h3{margin-top:0}
[data-theme="dark"] .pages h3{color:var(--gold)}
.pages blockquote{margin:1.1em 0;padding:12px 18px;border-left:3px solid var(--gold);background:rgba(187,154,101,.09);text-indent:0}
.pages .cite{font-family:var(--sans);font-size:.7em;color:var(--ink2);margin-left:6px;white-space:nowrap}
.pages .prophecy{background:linear-gradient(transparent 62%,rgba(201,153,46,.32) 62%);border-bottom:1px solid var(--gold);cursor:help}
.pages .gen{display:inline-block;font-family:var(--sans);font-size:.72em;padding:1px 10px;margin:0 4px;border:1px solid var(--gold);border-radius:20px;color:var(--gold);text-indent:0}
.pages .ch{text-align:center;text-indent:0;margin:1.6em 0 1.6em;padding-top:.6em}
.pages .ch:first-child{margin-top:0;padding-top:0;border-top:0}
.pages .ch span{display:block;font-family:var(--sans);font-size:.7em;letter-spacing:3px;color:var(--gold)}
.pages .ch b{display:block;font-size:1.5em;font-weight:700;margin:4px 0}
.pages .ch small{display:block;font-family:var(--sans);font-size:.72em;color:var(--ink2)}
.pages .note{font-family:var(--sans);font-size:.82em;line-height:1.7;color:var(--ink2);text-indent:0;padding:10px 14px;margin:0 0 1.3em;border:1px dashed var(--line);border-radius:10px}
.pages .note b{color:var(--gold);font-weight:700;margin-right:6px}
.pages .end{margin-top:2.5em;text-align:center;text-indent:0;color:var(--ink2);font-family:var(--sans);font-size:.85em}
.pages .end b{display:block;font-family:var(--serif);font-size:1.3em;color:var(--ink);margin:6px 0 14px}
.pages .end a{display:inline-block;padding:10px 20px;border-radius:10px;background:var(--navy);color:#fff;font-weight:700}
[data-theme="dark"] .pages .end a{background:var(--gold);color:#131d31}

.hit{position:absolute;top:0;bottom:0;width:22%;z-index:4;cursor:pointer}
body.scroll-mode .hit{display:none}
.viewport.in-r{animation:inR .2s ease-out}
.viewport.in-l{animation:inL .2s ease-out}
@keyframes inR{from{transform:translateX(28px);opacity:.2}to{transform:none;opacity:1}}
@keyframes inL{from{transform:translateX(-28px);opacity:.2}to{transform:none;opacity:1}}
body.scroll-mode .viewport{overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:40px}
body.scroll-mode .book{user-select:text;-webkit-user-select:text}
.book{user-select:none;-webkit-user-select:none}
.hit.l{left:0}.hit.r{right:0}
.pageno{font-size:12px;color:#c5cde0;font-family:var(--serif);letter-spacing:2px;padding:0 10px;white-space:nowrap}

.book-bar{flex:none;max-width:860px;width:100%;margin:0 auto;background:var(--navy);color:#fff;display:flex;align-items:center;gap:4px;padding:8px 10px;border-radius:0 0 16px 16px}
.book-bar button,.book-bar a{padding:9px 13px;border-radius:9px;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.book-bar button:hover,.book-bar a:hover{background:rgba(255,255,255,.12)}
.book-bar .sp{flex:1}
.book-bar .nav-btn{background:rgba(255,255,255,.08)}
.book-bar .nav-btn[disabled]{opacity:.3;pointer-events:none}
.book-bar .prog{height:3px;background:rgba(255,255,255,.15);border-radius:2px;position:absolute;left:0;right:0;top:0}
.book-bar{position:relative}
.book-bar .prog i{display:block;height:100%;background:var(--gold2);transition:width .3s}

/* ---------- genealogy ---------- */
.gen-wrap{max-width:1100px;margin:0 auto;padding:40px 18px 80px}
.gen-wrap h1{font-family:var(--serif);font-size:30px}
.gen-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:24px 0 32px}
.gen-card{padding:16px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:border-color .15s}
.gen-card.on{border-color:var(--gold);box-shadow:0 0 0 2px rgba(201,153,46,.25)}
.gen-card .k{font-size:12px;color:var(--gold);letter-spacing:2px}
.gen-card b{display:block;font-family:var(--serif);font-size:17px;margin:4px 0}
.gen-card span{font-size:13px;color:var(--ink2)}
.tree-box{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:22px;overflow:hidden;scroll-margin-top:110px}
.tree-box h2{font-family:var(--serif);font-size:22px;margin-bottom:4px}
.tree-box .d{color:var(--ink2);font-size:14px;margin-bottom:18px}
.tree{display:flex;flex-direction:column;align-items:stretch;font-family:var(--serif)}
.node{position:relative;padding-left:var(--d,0);display:flex;flex-wrap:wrap;align-items:center;gap:0 10px}
.node .p{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;margin:3px 0;border:1px solid var(--line);border-radius:30px;background:var(--bg);font-size:15px}
.node .p .age{font-family:var(--sans);font-size:11px;color:var(--ink2)}
.node .p.line{border-color:var(--gold);background:linear-gradient(90deg,rgba(201,153,46,.2),transparent);font-weight:700}
.node .p.line::before{content:"✦";color:var(--gold);font-size:11px}
.node .note{font-family:var(--sans);font-size:12px;color:var(--ink2);line-height:1.5;flex:1 1 160px;min-width:0}
@media(max-width:640px){.node .note{flex-basis:100%;padding:0 0 6px 14px}}
.legend{display:flex;gap:16px;font-size:13px;color:var(--ink2);margin-top:16px}
.legend i{display:inline-block;width:14px;height:14px;border-radius:50%;vertical-align:-2px;margin-right:6px;border:1px solid var(--gold);background:linear-gradient(90deg,rgba(201,153,46,.5),transparent)}

footer{border-top:1px solid var(--line);padding:30px 18px;text-align:center;color:var(--ink2);font-size:13px}
body.reading footer{display:none}

@media(max-width:640px){
  .top .in{padding:8px 14px;gap:8px}
  .logo img{height:44px}
  .nav a{padding:8px 9px;font-size:14px}
  .theme{width:34px;height:34px;font-size:15px;margin-left:0}
  .hero{height:auto;min-height:0}
  .slide{position:relative;display:none}
  .slide.on{display:block}
  .slide .in{padding:46px 20px 56px}
  .slide h1{font-size:30px}
  .slide p{font-size:15px}
  .promise-list{font-size:14px}
  .btn{padding:12px 18px;font-size:14px}
  .dots{bottom:14px}
  .strip .in{padding:12px 16px;gap:16px}
  .strip .st b{font-size:20px}
  .strip .cont{margin-left:0;width:100%}
  section.wrap{padding:30px 16px}
  .sec-h h2{font-size:22px}
  .grid{grid-template-columns:1fr;gap:12px}
  .vol{height:auto;min-height:0;padding:48px 16px 16px}
  .vol::after{font-size:96px;top:-6px}
  .vol h3{font-size:19px;margin-top:4px}
  .vol .range{font-size:12px}
  .vol .bar{margin-top:12px}
  .toc{padding:16px 14px 60px}
  .toc .cover{height:150px;padding:16px}
  .toc .cover h1{font-size:24px}
  .toc li a{padding:12px 12px;grid-template-columns:34px 1fr}
  .toc li .r{grid-column:2;font-size:11px}

  .book{border-radius:0;margin-top:0;border-left:0;border-right:0}
  .book-head{padding:10px 14px 0;gap:8px}
  .book-head h1{font-size:17px}
  .book-head .ref{display:none}
  .viewport{padding:16px 18px 8px}
  .pages{font-size:calc(var(--fs,18px) - 1px);line-height:1.85}
  .book-bar{border-radius:0;padding:6px 6px calc(6px + env(safe-area-inset-bottom,0px))}
  .book-bar .lbl{display:none}
  .book-bar{gap:0}
  .book-bar button,.book-bar a{padding:10px 9px;font-size:14px;white-space:nowrap}
  .book-bar .nav-btn{padding:10px 13px;font-size:16px}
  .book-bar .pageno{font-size:11px;padding:0 4px;letter-spacing:0}
  .gen-wrap{padding:24px 14px 60px}
  .gen-list{grid-template-columns:1fr;gap:10px}
  .tree-box{padding:14px}
  .node .p{font-size:14px;padding:6px 12px}
  .node{--step:18px}
  footer{font-size:12px;padding:22px 14px}
}