:root{
  --bg:#0b0b0c; --bg2:#121214; --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.18);
  --ink:#ededea; --dim:#9a9a96; --faint:#5f5f5c; --light:#efe3c2;
  --sans:"Inter Tight","Noto Sans KR",system-ui,sans-serif;
  --kr:"Noto Sans KR",system-ui,sans-serif;
  --serif:"Noto Serif KR",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(16px,4vw,48px); --max:1320px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--kr);font-weight:300;
  line-height:1.8;-webkit-text-size-adjust:100%;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:1px solid var(--light);outline-offset:3px}

/* 세로 격자선 — 페이지 전체를 관통하는 4열 그리드 */
.grid-lines{position:fixed;inset:0;z-index:0;pointer-events:none;
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:repeat(4,1fr)}
.grid-lines i{border-left:1px solid var(--line)}
.grid-lines i:last-child{border-right:1px solid var(--line)}
@media (max-width:720px){.grid-lines{grid-template-columns:repeat(2,1fr)}.grid-lines i:nth-child(n+3){display:none}.grid-lines i:nth-child(2){border-right:1px solid var(--line)}}

.wrap{position:relative;z-index:1}
.box{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}

/* 헤더 */
header{position:sticky;top:0;z-index:30;background:rgba(11,11,12,.78);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.brand{font-family:var(--sans);font-weight:500;font-size:.95rem;letter-spacing:.02em}
.brand span{color:var(--faint)}
.nav ul{display:flex;gap:clamp(14px,2.6vw,34px);list-style:none;margin:0;padding:0}
.nav a{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);transition:color .25s}
.nav a:hover,.nav a:focus-visible{color:var(--ink)}
.nav a b{color:var(--faint);font-weight:400;margin-right:6px}
@media (max-width:860px){.nav ul li.opt{display:none}}
@media (max-width:520px){.nav ul{gap:12px}.nav a b{display:none}}

/* 히어로 */
.hero{position:relative;min-height:calc(100svh - 60px);display:grid;grid-template-rows:auto 1fr auto;
  padding-block:28px 32px}
.hero-top,.hero-bot{display:flex;justify-content:space-between;gap:16px;position:relative;z-index:2}
.orb{position:absolute;z-index:1;right:-160px;top:50%;translate:0 -50%;
  width:min(78vw,820px);aspect-ratio:1;border-radius:50%;
  background:
    radial-gradient(circle at 36% 34%,#fffaf0 0%,#f2e6c6 12%,#b9ab88 30%,#5b5444 52%,#1d1b17 70%,transparent 71%);
  filter:saturate(.8);opacity:.92;animation:breathe 9s ease-in-out infinite}
.orb::after{content:"";position:absolute;inset:-18%;border-radius:50%;
  background:radial-gradient(circle,rgba(239,227,194,.18) 0%,rgba(239,227,194,.05) 45%,transparent 66%)}
.grain{position:fixed;inset:0;z-index:0;opacity:.1;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes breathe{50%{opacity:1;scale:1.015}}
@media (prefers-reduced-motion:reduce){.orb{animation:none}}
.hero-mid{position:relative;z-index:2;align-self:center;padding-block:40px}
.hero h1{font-family:var(--sans);font-weight:500;font-size:clamp(3.4rem,13.5vw,12.5rem);
  line-height:.86;letter-spacing:-.045em;margin:0}
.hero h1 em{font-style:normal;color:var(--light)}
.hero .ko{font-family:var(--serif);font-size:clamp(1.05rem,2.4vw,1.5rem);margin:34px 0 6px;letter-spacing:.04em}
.hero .en{color:var(--dim);font-family:var(--sans);font-size:clamp(.88rem,1.6vw,1rem);margin:0}
.cross{position:absolute;z-index:2;width:15px;height:15px;color:var(--dim)}
.cross::before,.cross::after{content:"";position:absolute;background:currentColor}
.cross::before{left:7px;top:0;width:1px;height:15px}.cross::after{top:7px;left:0;height:1px;width:15px}

/* 섹션 공통 */
section{position:relative;border-bottom:1px solid var(--line);padding-block:clamp(64px,10vw,140px)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;
  border-bottom:1px solid var(--line2);padding-bottom:18px;margin-bottom:clamp(36px,6vw,72px)}
.sec-head h2{font-family:var(--sans);font-weight:500;font-size:clamp(2rem,6vw,4.4rem);line-height:1;
  letter-spacing:-.035em;margin:0}
.sec-head h2 span{color:var(--faint)}
.sec-head .n{font-family:var(--sans);font-size:clamp(1.4rem,3vw,2.2rem);color:var(--faint);font-weight:300}
.cols{display:grid;grid-template-columns:repeat(4,1fr);gap:0 var(--pad)}
@media (max-width:720px){.cols{grid-template-columns:1fr}}

/* 여는 글 */
.statement{grid-column:2/5;font-family:var(--serif);font-size:clamp(1.25rem,2.8vw,2.05rem);line-height:1.75;
  letter-spacing:-.005em;margin:0}
.statement b{font-weight:400;color:var(--light)}
.side{grid-column:1;margin:0;padding-top:.6em}
.intro-note{grid-column:2/4;color:var(--dim);font-size:.95rem;margin-top:48px}
@media (max-width:720px){.statement,.side,.intro-note{grid-column:1}.side{margin-bottom:22px}}

/* 도서 */
.books{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--pad)}
@media (max-width:900px){.books{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.books{grid-template-columns:1fr}}
.book{display:flex;flex-direction:column;gap:20px}
.cover{position:relative;aspect-ratio:7/10;background:var(--bg2);border:1px solid var(--line);overflow:hidden}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.book:hover .cover img{transform:scale(1.03)}
.cover.blank{display:grid;place-items:center;text-align:center;
  background:radial-gradient(circle at 50% 42%,rgba(239,227,194,.16),transparent 55%),var(--bg2)}
.cover.blank strong{font-family:var(--sans);font-weight:500;font-size:clamp(1.8rem,3.4vw,2.6rem);letter-spacing:-.03em;display:block;line-height:1.1}
.cover.blank span{display:block;margin-top:10px}
.book .row{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:10px}
.book h3{font-family:var(--sans);font-weight:500;font-size:clamp(1.3rem,2.2vw,1.7rem);letter-spacing:-.02em;margin:0;line-height:1.3}
.book .sub{color:var(--dim);margin:2px 0 0;font-size:.92rem}
.book p.desc{color:var(--dim);font-size:.93rem;margin:0}
.meta{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:.72rem;color:var(--faint);letter-spacing:.02em;line-height:2}
.meta b{color:var(--dim);font-weight:400;display:inline-block;min-width:8.5em}
.state{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;padding:3px 10px;border:1px solid var(--line2);border-radius:99px;color:var(--dim)}
.state.on{color:var(--bg);background:var(--light);border-color:var(--light)}
.label-note{margin-top:48px;color:var(--dim);font-size:.9rem;border-left:1px solid var(--light);padding-left:18px;max-width:62ch}

/* 스튜디오 */
.studio-band{display:grid;grid-template-columns:1fr 1fr;gap:var(--pad);align-items:end}
@media (max-width:820px){.studio-band{grid-template-columns:1fr}}
.studio-band .big{font-family:var(--sans);font-weight:500;font-size:clamp(2.4rem,7vw,6rem);line-height:.92;letter-spacing:-.045em;margin:0}
.studio-band .big span{color:var(--light)}
.list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line2)}
.list li{display:grid;grid-template-columns:3.2em 1fr auto;gap:12px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.list li .k{font-family:var(--mono);font-size:.72rem;color:var(--faint)}
.list li .t{font-size:1.02rem}
.list li .t small{display:block;color:var(--dim);font-size:.85rem}
.list li .l{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--dim);text-align:right}
.cta{display:inline-flex;align-items:center;gap:14px;margin-top:40px;padding:16px 22px;border:1px solid var(--line2);
  font-family:var(--mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;transition:background .3s,color .3s,border-color .3s}
.cta:hover,.cta:focus-visible{background:var(--light);color:var(--bg);border-color:var(--light)}
.cta i{font-style:normal;transition:translate .3s}.cta:hover i{translate:4px 0}
.cta.solid{background:var(--light);color:var(--bg);border-color:var(--light)}
.cta.solid:hover{background:transparent;color:var(--light)}
.ctas{display:flex;flex-wrap:wrap;gap:12px}.ctas .cta{margin-top:0}

/* 백서 */
.parts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line2)}
@media (max-width:900px){.parts{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.parts{grid-template-columns:1fr}}
.part{padding:26px 22px 30px 0;border-bottom:1px solid var(--line)}
.part .num{font-family:var(--sans);font-size:3rem;font-weight:300;line-height:1;color:var(--faint);letter-spacing:-.04em}
.part h4{font-family:var(--sans);font-weight:500;font-size:1.05rem;margin:18px 0 8px;letter-spacing:-.01em}
.part p{margin:0;color:var(--dim);font-size:.88rem;line-height:1.75}
.wp-quote{font-family:var(--serif);font-size:clamp(1.1rem,2.4vw,1.6rem);line-height:1.8;max-width:34ch;margin:0 0 48px}

/* 명상·출판사·문의 */
.pairs{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--pad)}
@media (max-width:720px){.pairs{grid-template-columns:1fr}}
.pair{border-top:1px solid var(--line2);padding-top:20px}
.pair h3{font-family:var(--sans);font-weight:500;font-size:1.3rem;margin:0 0 10px;letter-spacing:-.015em}
.pair p{color:var(--dim);margin:0 0 16px;font-size:.94rem}
.pub{display:grid;grid-template-columns:1fr 1fr;gap:var(--pad);align-items:start}
@media (max-width:720px){.pub{grid-template-columns:1fr}}
.pub-name{font-family:var(--sans);font-weight:500;font-size:clamp(3rem,10vw,8rem);line-height:.9;letter-spacing:-.05em;margin:0}
.pub-etym{margin-top:18px}
.pub-story{font-family:var(--serif);font-size:clamp(1.02rem,2vw,1.25rem);line-height:1.95;margin:0;color:var(--ink)}
.pub-story b{font-weight:400;color:var(--light)}
.mail{font-family:var(--sans);font-weight:500;font-size:clamp(1.8rem,6.5vw,5.4rem);letter-spacing:-.04em;line-height:1;
  display:inline-block;border-bottom:1px solid var(--line2);padding-bottom:8px;transition:color .3s,border-color .3s;word-break:break-all}
.mail:hover,.mail:focus-visible{color:var(--light);border-color:var(--light)}

footer{padding-block:40px calc(40px + env(safe-area-inset-bottom,0px))}
.foot{display:grid;grid-template-columns:repeat(4,1fr);gap:24px var(--pad);color:var(--faint);font-size:.8rem;line-height:1.9}
@media (max-width:720px){.foot{grid-template-columns:1fr}}
.foot .big{grid-column:1/-1;font-family:var(--sans);font-weight:500;font-size:clamp(2rem,9vw,9rem);letter-spacing:-.05em;line-height:.9;color:var(--ink);margin:40px 0 0}

/* 등장 효과 */
.rv{opacity:0;translate:0 26px;transition:opacity 1s cubic-bezier(.2,.7,.2,1),translate 1s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;translate:0 0}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;translate:none;transition:none}}
.hero-wrap{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}