/* ===========================================================
   나루 라운지 — 스타일
   스크롤 연출은 네이티브 CSS scroll-driven animation(view())으로 처리한다.
   미지원 브라우저에서는 duration이 0s로 잡혀 "최종 상태"가 그대로 보이므로
   레이아웃이 깨지지 않는다. (JS가 .no-sdt를 붙이면 IO 폴백으로 전환)
   =========================================================== */

:root{
  --ink:        #070a0d;   /* 가장 깊은 밤 */
  --ink-mid:    #0d1319;
  --paper:      #f2efe7;   /* 마지막 섹션의 낮 */
  --jade:       #7fd8bb;   /* 옥빛 — 포인트 */
  --jade-deep:  #2f7f6b;
  --sand:       #d9c9a8;
  --amber:      #e2a25c;
  --fg:         #e8e6e1;
  --fg-dim:     rgba(232,230,225,.58);
  --fg-faint:   rgba(232,230,225,.28);
  --line:       rgba(232,230,225,.14);

  --ko: 'Gowun Batang', serif;
  --en: 'Cormorant Garamond', serif;
  --ui: 'Pretendard Variable', Pretendard, -apple-system, system-ui, sans-serif;

  --pad: clamp(20px, 5vw, 88px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--ink); color:var(--fg);
  font-family:var(--ui); font-weight:350; line-height:1.75;
  letter-spacing:-.01em; overflow-x:hidden;
  transition:background-color 1.1s var(--ease);
}
body[data-theme="mid"]  { background:var(--ink-mid); }
body[data-theme="light"]{ background:var(--paper); }

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select{ font:inherit; color:inherit; }
h1,h2,h3{ font-family:var(--ko); font-weight:700; line-height:1.24; letter-spacing:-.03em; margin:0; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ─────────────  레이어: 3D 캔버스 / 그레인 / 커서 글로우  ───────────── */
.stone-canvas{
  position:fixed; inset:0; width:100%; height:100vh;
  z-index:0; pointer-events:none;
  opacity:0; transition:opacity 1.2s var(--ease);
}
.stone-canvas.is-ready{ opacity:1; }
body[data-theme="light"] .stone-canvas{ opacity:0; }

/* 필름 그레인 — 단색 배경의 밋밋함을 지운다 */
.grain{
  position:fixed; inset:-50%; z-index:90; pointer-events:none; opacity:.2;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
  animation:grain 6s steps(6) infinite;
  mix-blend-mode:overlay;
}
@keyframes grain{
  0%{transform:translate(0,0)} 20%{transform:translate(-4%,3%)} 40%{transform:translate(3%,-5%)}
  60%{transform:translate(-3%,-3%)} 80%{transform:translate(5%,4%)} 100%{transform:translate(0,0)}
}
body[data-theme="light"] .grain{ opacity:.18; mix-blend-mode:multiply; }

.cursor-glow{
  position:fixed; top:0; left:0; width:640px; height:640px; z-index:1;
  margin:-320px 0 0 -320px; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, rgba(127,216,187,.16), rgba(127,216,187,0) 62%);
  mix-blend-mode:screen; opacity:0; transition:opacity .6s;
  will-change:transform;
}
.cursor-glow.is-on{ opacity:1; }

/* ─────────────  오프닝 커튼  ───────────── */
.curtain{
  position:fixed; inset:0; z-index:100; background:var(--ink);
  display:grid; place-items:center;
  transition:opacity .9s var(--ease), visibility .9s;
}
.curtain.is-open{ opacity:0; visibility:hidden; }
.curtain__mark{ text-align:center; animation:markIn 1.2s var(--ease) both; }
.curtain__ko{
  display:block; font-family:var(--ko); font-size:clamp(38px,7vw,72px);
  letter-spacing:.42em; text-indent:.42em; color:var(--fg);
}
.curtain__en{
  display:block; margin-top:14px; font-family:var(--en);
  font-size:12px; letter-spacing:.6em; text-indent:.6em; color:var(--jade);
}
@keyframes markIn{ from{opacity:0; filter:blur(14px); transform:translateY(14px)} to{opacity:1;filter:none;transform:none} }

/* ─────────────  내비게이션  ───────────── */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:18px var(--pad);
  transition:background-color .5s var(--ease), backdrop-filter .5s, border-color .5s, padding .5s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(7,10,13,.62); backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line); padding-top:12px; padding-bottom:12px;
}
body[data-theme="light"] .nav.is-stuck{ background:rgba(242,239,231,.72); border-bottom-color:rgba(7,10,13,.1); }
body[data-theme="light"] .nav{ color:var(--ink); }
.nav__brand{ display:flex; align-items:baseline; gap:12px; }
.nav__ko{ font-family:var(--ko); font-size:21px; letter-spacing:.16em; }
.nav__en{ font-family:var(--en); font-size:10px; letter-spacing:.34em; opacity:.55; }
.nav__links{ display:flex; gap:clamp(16px,2.4vw,34px); font-size:13.5px; letter-spacing:.02em; }
.nav__links a{ position:relative; opacity:.68; transition:opacity .3s; }
.nav__links a::after{
  content:''; position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background:var(--jade); transform:scaleX(0); transform-origin:left;
  transition:transform .45s var(--ease);
}
.nav__links a:hover{ opacity:1; }
.nav__links a:hover::after{ transform:scaleX(1); }
@media (max-width:860px){ .nav__links{ display:none; } }

/* ─────────────  버튼  ───────────── */
.btn{
  --bg:transparent; --bd:currentColor;
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 26px; border:1px solid var(--bd); border-radius:999px;
  font-size:13.5px; letter-spacing:.03em; background:var(--bg);
  position:relative; overflow:hidden; isolation:isolate;
  transition:color .45s var(--ease), border-color .45s var(--ease), transform .45s var(--ease);
  cursor:pointer;
}
.btn::before{
  content:''; position:absolute; inset:0; z-index:-1; background:var(--jade);
  transform:translateY(101%); transition:transform .5s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn:hover::before{ transform:translateY(0); }
.btn--solid{ --bg:var(--jade); --bd:var(--jade); color:var(--ink); font-weight:500; }
.btn--solid::before{ background:var(--fg); }
.btn--solid:hover{ border-color:var(--fg); }
.btn--ghost{ --bd:var(--line); color:var(--fg); }
.btn--ghost:hover{ color:var(--ink); border-color:var(--jade); }
/* 밝은 섹션에서는 테두리가 배경에 묻히므로 반전시킨다 */
body[data-theme="light"] .btn--ghost{ --bd:rgba(7,10,13,.22); color:var(--ink); }
body[data-theme="light"] .btn--ghost::before{ background:var(--ink); }
body[data-theme="light"] .btn--ghost:hover{ color:var(--paper); border-color:var(--ink); }
.btn--wide{ width:100%; padding:17px; }
.nav__cta{ padding:10px 20px; font-size:12.5px; }
@media (max-width:520px){ .nav__cta{ display:none; } }

/* ═══════════════  스크롤 연출 (공통)  ═══════════════ */
@keyframes rise{ from{ opacity:0; transform:translateY(46px); filter:blur(3px); }
                 to  { opacity:1; transform:none;             filter:blur(0); } }
.reveal{
  animation:rise linear both;
  animation-timeline:view();
  animation-range:entry 6% cover 24%;   /* 긴 블록이 오래 흐릿하게 남지 않도록 짧게 */
}
@keyframes wordLit{ from{ opacity:.14 } to{ opacity:1 } }
@keyframes cardIn{
  from{ opacity:0; transform:translateY(84px) rotateX(14deg) scale(.96); }
  to  { opacity:1; transform:none; }
}
.card--reveal{
  transform-origin:50% 100%;
  animation:cardIn linear both;
  animation-timeline:view();
  animation-range:entry 4% cover 30%;
}

/* IntersectionObserver 폴백 (Firefox 등 view() 미지원) */
html.no-sdt .reveal,
html.no-sdt .card--reveal{
  animation:none; opacity:0; transform:translateY(46px);
  transition:opacity .95s var(--ease), transform .95s var(--ease);
  transition-delay:calc(var(--i, 0) * 70ms);
}
html.no-sdt .reveal.in,
html.no-sdt .card--reveal.in{ opacity:1; transform:none; }
html.no-sdt .word{ opacity:1 !important; animation:none; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal,.card--reveal,.word{ animation:none !important; opacity:1 !important; transform:none !important; filter:none !important; }
  .grain,.marquee__track{ animation:none !important; }
}

/* ═══════════════  HERO  ═══════════════ */
.hero{
  position:relative; z-index:3;
  min-height:100svh; padding:120px var(--pad) 56px;
  display:flex; flex-direction:column; justify-content:center; align-items:flex-start;
  max-width:var(--maxw); margin-inline:auto;
}
.hero::after{ /* 아래 섹션으로 자연스럽게 떨어지는 그라데이션 */
  content:''; position:absolute; left:0; right:0; bottom:0; height:30vh; pointer-events:none;
  background:linear-gradient(to bottom, transparent, var(--ink));
}
.hero__eyebrow{
  font-family:var(--en); font-size:12px; letter-spacing:.52em; color:var(--jade);
  margin-bottom:clamp(20px,3.4vh,38px); overflow:hidden;
}
.hero__eyebrow span{ display:inline-block; animation:markIn 1s var(--ease) .9s both; }
.hero__title{
  font-size:clamp(40px, 8.4vw, 118px); line-height:1.14; letter-spacing:-.045em;
  margin-bottom:clamp(22px,3.2vh,34px);
}
.hero__title .line{ display:block; overflow:hidden; padding-bottom:.06em; }
.hero__title .w{ display:inline-block; animation:heroWord 1.35s var(--ease) both; }
.hero__title .line:nth-child(1) .w{ animation-delay:1.05s; }
.hero__title .line:nth-child(2) .w{ animation-delay:1.2s; }
.hero__title .line .w:nth-child(2){ animation-delay:1.28s; }
.hero__title .line .w:nth-child(3){ animation-delay:1.36s; }
.hero__title .line .w:nth-child(4){ animation-delay:1.44s; color:var(--jade); }
@keyframes heroWord{ from{ transform:translateY(112%) rotate(3deg); opacity:0 } to{ transform:none; opacity:1 } }
.hero__sub{
  font-size:clamp(14.5px,1.35vw,17.5px); color:var(--fg-dim); max-width:44ch;
  animation:markIn 1.2s var(--ease) 1.55s both;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:clamp(30px,4.6vh,52px);
  animation:markIn 1.2s var(--ease) 1.75s both; }
.hero__scroll{
  position:absolute; left:var(--pad); bottom:34px;
  display:flex; align-items:center; gap:12px;
  font-family:var(--en); font-size:10.5px; letter-spacing:.42em; color:var(--fg-faint);
  animation:markIn 1.2s var(--ease) 2s both;
}
.hero__scroll i{ display:block; width:64px; height:1px; background:var(--line); position:relative; overflow:hidden; }
.hero__scroll i::after{ content:''; position:absolute; inset:0; background:var(--jade); animation:scrollLine 2.4s var(--ease) infinite; }
@keyframes scrollLine{ 0%{transform:translateX(-100%)} 60%,100%{transform:translateX(100%)} }

/* ═══════════════  MARQUEE  ═══════════════ */
.marquee{
  position:relative; z-index:3; overflow:hidden;
  border-block:1px solid var(--line); padding:20px 0;
  background:rgba(7,10,13,.4); backdrop-filter:blur(6px);
}
.marquee__track{ display:flex; gap:34px; width:max-content; animation:slide 34s linear infinite; }
.marquee__track span{ font-family:var(--ko); font-size:clamp(18px,2.2vw,30px); white-space:nowrap; opacity:.82; }
.marquee__track i{ color:var(--jade); font-style:normal; font-size:22px; }
@keyframes slide{ to{ transform:translateX(-50%) } }

/* ═══════════════  섹션 공통  ═══════════════ */
section{ position:relative; z-index:3; }
.about,.programs,.schedule,.space,.leads,.membership,.faq,.join{
  padding:clamp(96px,14vh,190px) var(--pad);
  max-width:var(--maxw); margin-inline:auto;
}
.sec-head{ margin-bottom:clamp(48px,7vh,86px); max-width:820px; }
.sec-head__label,.about__label,.join__label{
  font-family:var(--en); font-size:11.5px; letter-spacing:.44em; color:var(--jade);
  margin-bottom:20px;
}
.sec-head__title{ font-size:clamp(30px,4.8vw,62px); }
.sec-head__desc{ margin-top:22px; color:var(--fg-dim); font-size:clamp(14px,1.2vw,16.5px); max-width:46ch; }

/* 문장이 스크롤에 따라 한 줄씩 밝아진다 — 단어마다 자기 view timeline을 갖는다 */
.bigtext,.quote p,.join__title{ font-family:var(--ko); letter-spacing:-.035em; }
.word{
  display:inline-block; opacity:.14;
  animation:wordLit linear both;
  animation-timeline:view();
  animation-range:entry 26% cover 46%;
}

/* ═══════════════  ABOUT  ═══════════════ */
.bigtext{ font-size:clamp(23px,3.5vw,50px); line-height:1.55; max-width:clamp(320px,54vw,800px); }
.about__facts{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:clamp(24px,3vw,52px);
  margin-top:clamp(60px,9vh,120px); padding-top:44px; border-top:1px solid var(--line);
}
.fact b{ display:block; font-family:var(--ko); font-size:clamp(34px,4vw,54px); color:var(--jade); line-height:1; margin-bottom:16px; }
.fact span{ color:var(--fg-dim); font-size:14px; line-height:1.7; }

/* ═══════════════  PROGRAMS  ═══════════════ */
.cards{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:clamp(14px,1.6vw,22px); perspective:1400px;
}
.card{
  position:relative; padding:clamp(28px,2.6vw,40px); border:1px solid var(--line);
  border-radius:6px; background:rgba(232,230,225,.024);
  backdrop-filter:blur(3px); overflow:hidden;
  transition:border-color .55s var(--ease), background-color .55s var(--ease), transform .55s var(--ease);
}
.card::before{ /* hover 시 위에서 내려오는 옥빛 */
  content:''; position:absolute; inset:0;
  background:linear-gradient(160deg, rgba(127,216,187,.16), transparent 58%);
  opacity:0; transition:opacity .6s var(--ease);
}
.card:hover{ border-color:rgba(127,216,187,.42); background:rgba(232,230,225,.05); transform:translateY(-6px); }
.card:hover::before{ opacity:1; }
.card>*{ position:relative; }
.card__no{ font-family:var(--en); font-size:12px; letter-spacing:.3em; color:var(--fg-faint); }
.card__en{ font-family:var(--en); font-style:italic; font-size:15px; color:var(--jade); margin-top:26px; }
.card__ko{ font-size:clamp(23px,2.2vw,30px); margin:6px 0 18px; }
.card__desc{ color:var(--fg-dim); font-size:14.5px; line-height:1.85; }
.card__meta{
  display:flex; justify-content:space-between; gap:12px; margin-top:30px; padding-top:18px;
  border-top:1px solid var(--line); font-size:12.5px; letter-spacing:.04em; color:var(--fg-faint);
}
.card__meta span:first-child{ color:var(--sand); }

/* ═══════════════  SCHEDULE  ═══════════════ */
.table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
.table{ width:100%; min-width:760px; border-collapse:collapse; }
.table th,.table td{ padding:22px 14px; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); }
.table thead th{
  font-family:var(--en); font-weight:400; font-size:12px; letter-spacing:.3em;
  color:var(--fg-faint); padding-bottom:14px;
}
.table tbody th{
  font-family:var(--en); font-weight:300; font-size:clamp(17px,1.7vw,24px);
  color:var(--jade); letter-spacing:.04em; white-space:nowrap; width:96px;
}
.table td b{ display:block; font-family:var(--ko); font-weight:400; font-size:15.5px; letter-spacing:-.02em; }
.table td span{ display:block; margin-top:6px; font-size:11.5px; color:var(--fg-faint); letter-spacing:.04em; }
.table td{ transition:background-color .4s; }
.table td:hover:not(.is-off):not(.is-open){ background:rgba(127,216,187,.06); }
.table .is-off,.table .is-open{ color:var(--fg-faint); }
.table .is-off span{ opacity:.5; }
.schedule__note{ margin-top:34px; font-size:13px; color:var(--fg-faint); }

/* ═══════════════  SPACE (사진 자리는 프로시저럴 그라데이션)  ═══════════════ */
.gallery{
  display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(10px,1.2vw,18px);
  grid-auto-rows:minmax(180px,auto);
}
.shot{
  position:relative; margin:0; min-height:230px; border-radius:6px; overflow:hidden;
  border:1px solid var(--line); display:flex; align-items:flex-end;
  /* 실제 사진을 넣을 때: .shot[data-shot="river"]{ --img:url(img/river.jpg) } */
  background-image:var(--img, var(--proc)); background-size:cover; background-position:center;
  transition:transform .8s var(--ease);
}
.shot::after{ content:''; position:absolute; inset:0; background:linear-gradient(to top, rgba(7,10,13,.86), transparent 62%); }
.shot:hover{ transform:scale(1.014); }
.shot--tall{ grid-row:span 2; grid-column:span 2; }
.shot--wide{ grid-column:span 2; }
.shot[data-shot="river"] { --proc:radial-gradient(120% 90% at 20% 15%, #1d3b3c, transparent 60%), linear-gradient(200deg,#0f1c24,#16333a 52%,#0a1114); }
.shot[data-shot="tea"]   { --proc:radial-gradient(100% 80% at 78% 20%, #4a3a25, transparent 62%), linear-gradient(160deg,#1a1410,#2a2016 60%,#0d0b09); }
.shot[data-shot="lounge"]{ --proc:radial-gradient(110% 90% at 30% 80%, #2a2b3a, transparent 60%), linear-gradient(20deg,#101318,#22242e 55%,#0b0d11); }
.shot[data-shot="sound"] { --proc:radial-gradient(90% 120% at 65% 30%, #23414a, transparent 58%), linear-gradient(140deg,#0c1418,#1a3038 50%,#080c0f); }
.shot figcaption{ position:relative; z-index:1; padding:clamp(20px,2vw,30px); }
.shot figcaption b{ display:block; font-family:var(--ko); font-weight:400; font-size:18px; }
.shot figcaption span{ display:block; margin-top:6px; font-size:12.5px; color:var(--fg-dim); }
@media (max-width:860px){
  .gallery{ grid-template-columns:repeat(2,1fr); }
  .shot--tall,.shot--wide{ grid-column:span 2; grid-row:auto; }
}
.quote{
  margin:clamp(70px,10vh,130px) 0 0; padding-left:clamp(16px,2.4vw,34px);
  border-left:1px solid var(--jade-deep); max-width:clamp(300px,46vw,660px);
}
.quote p{ font-size:clamp(20px,2.7vw,36px); line-height:1.6; }
.quote cite{ display:block; margin-top:24px; font-style:normal; font-size:12.5px; letter-spacing:.16em; color:var(--fg-faint); }

/* ═══════════════  LEADS  ═══════════════ */
.leads__grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:clamp(26px,3vw,50px); }
.lead__face{
  aspect-ratio:3/4; border-radius:6px; margin-bottom:26px; border:1px solid var(--line);
  background-image:var(--img, var(--proc)); background-size:cover; background-position:center;
  filter:saturate(.5) contrast(1.02); transition:filter .7s var(--ease), transform .7s var(--ease);
}
.lead:hover .lead__face{ filter:saturate(1); transform:translateY(-5px); }
/* 사진이 들어가기 전까지 쓰는 인물 자리 — 머리 위치에 옅은 빛을 둬 초상처럼 읽히게 한다 */
.lead__face[data-face="1"]{ --proc:radial-gradient(26% 20% at 50% 32%, rgba(255,246,230,.13), transparent 72%), radial-gradient(72% 56% at 50% 26%, #6b5b45, transparent 66%), linear-gradient(180deg,#3a3226,#14110d); }
.lead__face[data-face="2"]{ --proc:radial-gradient(26% 20% at 50% 32%, rgba(230,255,248,.13), transparent 72%), radial-gradient(72% 56% at 50% 26%, #3f7a70, transparent 66%), linear-gradient(180deg,#1d3230,#0c1413); }
.lead__face[data-face="3"]{ --proc:radial-gradient(26% 20% at 50% 32%, rgba(235,240,255,.13), transparent 72%), radial-gradient(72% 56% at 50% 26%, #4a5578, transparent 66%), linear-gradient(180deg,#232a3d,#0d1017); }
.lead h3{ font-size:21px; letter-spacing:.08em; }
.lead__role{ margin:8px 0 16px; font-family:var(--en); font-style:italic; font-size:14px; color:var(--jade); }
.lead__bio{ color:var(--fg-dim); font-size:14px; line-height:1.85; }

/* ═══════════════  MEMBERSHIP  ═══════════════ */
.plans{ display:grid; grid-template-columns:repeat(auto-fit,minmax(275px,1fr)); gap:clamp(14px,1.6vw,22px); align-items:start; }
.plan{
  position:relative; padding:clamp(30px,2.8vw,44px); border:1px solid var(--line); border-radius:6px;
  transition:border-color .5s var(--ease), background-color .5s var(--ease);
}
.plan:hover{ border-color:rgba(127,216,187,.4); }
.plan--best{ background:rgba(127,216,187,.05); border-color:rgba(127,216,187,.34); }
.plan__badge{
  position:absolute; top:-11px; left:clamp(30px,2.8vw,44px);
  padding:4px 14px; border-radius:999px; background:var(--jade); color:var(--ink);
  font-size:11px; letter-spacing:.06em; font-weight:600;
}
.plan h3{ font-size:22px; letter-spacing:.06em; }
.plan__price{ font-family:var(--ko); font-size:clamp(30px,3.2vw,42px); margin:16px 0 4px; letter-spacing:-.03em; }
.plan__price em{ font-family:var(--ui); font-style:normal; font-size:14px; color:var(--fg-faint); margin-left:6px; letter-spacing:0; }
.plan__for{ color:var(--fg-dim); font-size:13.5px; padding-bottom:26px; border-bottom:1px solid var(--line); }
.plan ul{ margin:26px 0 32px; display:grid; gap:13px; }
.plan li{ position:relative; padding-left:20px; font-size:14px; color:var(--fg-dim); }
.plan li::before{ content:''; position:absolute; left:0; top:.62em; width:7px; height:1px; background:var(--jade); }
.plan .btn{ width:100%; }

/* ═══════════════  FAQ  ═══════════════ */
.faq__list{ border-top:1px solid var(--line); }
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{
  list-style:none; cursor:pointer; padding:28px 44px 28px 0; position:relative;
  font-family:var(--ko); font-size:clamp(16px,1.7vw,21px); letter-spacing:-.02em;
  transition:color .4s;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:''; position:absolute; right:8px; top:50%; width:13px; height:1px;
  background:var(--jade); box-shadow:0 0 0 0 var(--jade);
  transition:transform .45s var(--ease);
}
.faq summary::before{
  content:''; position:absolute; right:8px; top:50%; width:13px; height:1px; background:var(--jade);
  transform:rotate(90deg); transition:transform .45s var(--ease), opacity .45s;
}
.faq details[open] summary::before{ transform:rotate(0deg); opacity:0; }
.faq summary:hover{ color:var(--jade); }
.faq details p{
  padding:0 clamp(30px,8vw,120px) 30px 0; color:var(--fg-dim); font-size:14.5px; line-height:1.9;
  animation:rise .6s var(--ease) both; animation-timeline:auto;
}

/* ═══════════════  JOIN (밝은 섹션)  ═══════════════ */
.join{
  background:var(--paper); color:var(--ink); text-align:center;
  max-width:none; padding-inline:var(--pad);
}
.join__label{ color:var(--jade-deep); }
.join__title{ font-size:clamp(28px,4.6vw,60px); max-width:16ch; margin-inline:auto; letter-spacing:-.04em; }
.join .word{ opacity:.16; }
.join__sub{ margin-top:24px; color:rgba(7,10,13,.6); font-size:15px; }
.join__form{
  display:grid; grid-template-columns:1fr 1fr; gap:14px;
  max-width:520px; margin:clamp(44px,6vh,68px) auto 0; text-align:left;
}
.field{ display:block; }
.field--wide{ grid-column:1/-1; }
.field span{ display:block; font-size:12px; letter-spacing:.1em; color:rgba(7,10,13,.5); margin-bottom:8px; }
.field input,.field select{
  width:100%; padding:14px 16px; border:1px solid rgba(7,10,13,.16); border-radius:4px;
  background:transparent; color:var(--ink); font-size:15px;
  transition:border-color .4s, background-color .4s;
}
.field input::placeholder{ color:rgba(7,10,13,.28); }
.field input:focus,.field select:focus{ outline:none; border-color:var(--jade-deep); background:rgba(255,255,255,.6); }
.join__form .btn{ grid-column:1/-1; }
.join .btn--solid{ --bg:var(--ink); --bd:var(--ink); color:var(--paper); }
.join .btn--solid::before{ background:var(--jade-deep); }
.join__msg{ grid-column:1/-1; min-height:22px; font-size:13.5px; color:var(--jade-deep); text-align:center; }
.join__msg[data-state="err"]{ color:#b4472f; }
@media (max-width:560px){ .join__form{ grid-template-columns:1fr; } }

/* ═══════════════  FOOTER  ═══════════════ */
.footer{
  position:relative; z-index:3; background:var(--paper); color:var(--ink);
  padding:clamp(60px,8vh,90px) var(--pad) 40px; border-top:1px solid rgba(7,10,13,.1);
}
.footer__brand{ display:flex; align-items:baseline; gap:16px; margin-bottom:clamp(40px,6vh,64px); }
.footer__ko{ font-family:var(--ko); font-size:clamp(34px,5vw,62px); letter-spacing:.3em; text-indent:.3em; }
.footer__en{ font-family:var(--en); font-size:11px; letter-spacing:.42em; color:var(--jade-deep); }
.footer__cols{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:32px; }
.footer__cols b{ display:block; font-size:12px; letter-spacing:.16em; margin-bottom:12px; color:rgba(7,10,13,.45); font-weight:500; }
.footer__cols p{ font-size:14px; line-height:1.85; color:rgba(7,10,13,.78); }
.footer__fine{ margin-top:clamp(44px,6vh,70px); font-size:11.5px; color:rgba(7,10,13,.36); letter-spacing:.02em; }