/* THE HELD · 소개/후원 공용 화면 결 (2026-09-24 다시 그림)
   기준: 앱 첫 화면 결 — 종이 아이보리 · 남색 잉크 · 포인트 #DEE9F5 · 고운바탕 제목 */
:root{
  --paper:#FBFAF6;--paper-2:#F4F2EA;--ink:#2E3450;--ink-2:#3E4360;--muted:#6B7085;--soft:#8D92A6;
  --accent:#DEE9F5;--accent-2:#EEF4FA;--accent-deep:#B9CDE3;--gold:#C9A84C;
  --line:rgba(62,67,96,.14);--line-2:rgba(62,67,96,.08);
  --serif:"Gowun Batang","Noto Serif KR",Georgia,"Batang",serif;
  --sans:"Noto Sans KR","Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --r:20px;--r-s:12px;--shadow:0 12px 40px rgba(46,52,80,.08);--shadow-s:0 4px 16px rgba(46,52,80,.06);
  --gutter:clamp(18px,4.5vw,64px);--wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15.5px/1.9 var(--sans);word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.38;text-wrap:balance}
h1{font-size:clamp(34px,5vw,60px)}
h2{font-size:clamp(26px,3.4vw,42px)}
h3{font-family:var(--serif);font-weight:700;font-size:21px;line-height:1.55;letter-spacing:-.01em}
h4{font-size:15px;font-weight:700}
p+p{margin-top:14px}
.wrap{width:min(var(--wrap),calc(100% - var(--gutter)*2));margin-inline:auto}
.narrow{max-width:760px}
.center{text-align:center}
.center .narrow{margin-inline:auto}
.muted{color:var(--muted)}
.small{font-size:13px}
.serif{font-family:var(--serif)}
.wide{display:inline}
.skip{position:absolute;top:-90px;left:15px;padding:12px 20px;background:var(--ink);color:var(--paper);z-index:50;border-radius:8px}
.skip:focus{top:10px}
:where(a,summary,button,input):focus-visible{outline:3px solid var(--ink);outline-offset:4px;border-radius:6px}

/* ── 헤더 ─────────────────────────── */
.top{position:sticky;top:0;z-index:40;background:rgba(251,250,246,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.wordmark{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:-.01em;white-space:nowrap}
.wordmark img{width:28px;height:auto}
.wordmark small{font:10px/1 var(--sans);letter-spacing:.22em;color:var(--soft);font-weight:600;margin-left:2px}
.nav{display:flex;align-items:center;gap:4px;font-size:13px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav::-webkit-scrollbar{display:none}
.nav a{text-decoration:none;padding:8px 10px;border-radius:999px;white-space:nowrap;color:var(--ink-2)}
.nav a:hover{background:var(--accent-2)}
.nav .cta{background:var(--ink);color:var(--paper);padding:8px 14px;margin-left:6px}
.nav .cta:hover{background:var(--ink-2)}
.nav .home{border:1px solid var(--line);margin-left:2px}

/* ── 공통 조각 ─────────────────────── */
.eyebrow{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.2em;font-weight:700;color:var(--soft);margin-bottom:18px;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);flex:none}
.eyebrow.plain::before{display:none}
.center .eyebrow{justify-content:center}
.lead{font:clamp(17px,1.6vw,21px)/1.8 var(--serif);color:var(--ink-2)}
.body{font-size:15px;color:var(--ink-2)}
.desc{font-size:14.5px;color:var(--muted)}
.section{padding-block:clamp(64px,9vw,120px)}
.section+.section{padding-top:0}
.head{max-width:780px;margin-bottom:clamp(30px,4vw,52px)}
.head h2{margin-bottom:18px}
.head .desc{font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 22px;border-radius:999px;text-decoration:none;font-size:14px;font-weight:600;border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;font-family:inherit;transition:transform .15s ease,background .15s ease}
.btn:hover{background:var(--ink-2);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--accent-2)}
.btn.soft{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn.soft:hover{background:var(--accent-deep)}
.textlink{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:13.5px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--ink)}
.textlink:hover{color:var(--muted);border-color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--accent-2);border:1px solid var(--line-2);font-size:12px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.chip.dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.card{background:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:26px 24px;box-shadow:var(--shadow-s)}
.card.soft{background:linear-gradient(160deg,#fff,var(--accent-2));border-color:var(--line-2)}
.card.tint{background:var(--accent);border-color:transparent;box-shadow:none}
.card.dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.card.dark .desc,.card.dark .muted{color:rgba(251,250,246,.72)}
.card.dark .eyebrow{color:var(--accent)}
.num{display:block;font:700 13px/1 var(--serif);letter-spacing:.12em;color:var(--soft);margin-bottom:14px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split.top{align-items:start}
.band{background:var(--ink);color:var(--paper)}
.band .eyebrow{color:var(--accent)}
.band .desc,.band .muted{color:rgba(251,250,246,.74)}
.band .body{color:rgba(251,250,246,.9)}
.band .textlink{border-color:var(--paper)}
.band-soft{background:linear-gradient(180deg,var(--accent-2),var(--accent))}
.ribbon{background:var(--accent);text-align:center;padding:14px var(--gutter);font-size:12.5px;letter-spacing:.06em;font-weight:600;color:var(--ink-2)}
.ribbon span{margin:0 14px;color:var(--soft)}
.quote{font:clamp(18px,1.9vw,24px)/1.75 var(--serif);padding-left:22px;border-left:3px solid var(--accent-deep);color:var(--ink)}
.quote cite{display:block;font:12px/1.6 var(--sans);font-style:normal;letter-spacing:.06em;color:var(--muted);margin-top:12px}
.band .quote{border-color:var(--accent)}
.band .quote cite{color:var(--accent)}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 6px;font-size:13px;font-weight:600;color:var(--ink-2)}
.flow i{font-style:normal;color:var(--soft)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;counter-reset:st}
.steps li{position:relative;padding:20px 18px 18px;border-radius:var(--r-s);background:#fff;border:1px solid var(--line-2)}
.steps li b{display:block;font:700 11px/1 var(--sans);letter-spacing:.18em;color:var(--soft);margin-bottom:10px}
.steps li b::before{content:counter(st,decimal-leading-zero) "  ";counter-increment:st;color:var(--gold)}
.steps li span{display:block;font-size:14px;line-height:1.7}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:14px 0;font-weight:600;font-size:15px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font:300 22px/1 var(--serif);color:var(--soft);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details .inner{padding:0 0 22px;font-size:14.5px;color:var(--ink-2)}
.band details,.band details:last-of-type{border-color:rgba(251,250,246,.22)}
.band summary::after{color:var(--accent)}
.toc{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-top:30px}
.toc a{display:flex;gap:10px;align-items:baseline;padding:12px 14px;border-radius:var(--r-s);background:rgba(255,255,255,.7);border:1px solid var(--line-2);text-decoration:none;font-size:13px;font-weight:600}
.toc a:hover{background:#fff;box-shadow:var(--shadow-s)}
.toc a b{font:700 12px/1 var(--serif);color:var(--gold);letter-spacing:.06em}

/* ── 히어로 ────────────────────────── */
.hero{position:relative;overflow:hidden;padding-block:clamp(56px,8vw,110px) clamp(40px,6vw,80px)}
.hero::before{content:"";position:absolute;inset:auto -10% -30% auto;width:min(720px,80vw);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(222,233,245,.95),rgba(222,233,245,.3) 45%,transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero h1{margin:8px 0 22px}
.hero .lead{margin-bottom:18px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-art{position:relative;text-align:center}
.hero-art img{width:min(100%,380px);margin-inline:auto;filter:drop-shadow(0 20px 40px rgba(46,52,80,.12))}
.hero-art figcaption{margin-top:16px;font:16px/1.7 var(--serif);color:var(--ink-2)}

/* ── 푸터 ─────────────────────────── */
.foot{background:var(--ink);color:var(--paper);padding-block:56px 40px;margin-top:clamp(40px,6vw,80px)}
.foot .wrap{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:end}
.foot .wordmark{color:var(--paper);font-size:24px}
.foot .wordmark small{color:var(--accent)}
.foot p{font-size:13px;color:rgba(251,250,246,.72);margin-top:12px}
.foot .en{font-size:10px;letter-spacing:.18em;line-height:2;color:var(--accent);text-align:right}
.foot .links{display:flex;gap:18px;justify-content:flex-end;margin-top:10px}
.foot .links a{font-size:12.5px;color:var(--paper);text-decoration:none;border-bottom:1px solid rgba(251,250,246,.5);padding-bottom:2px}
.foot .bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(251,250,246,.16);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11.5px;color:rgba(251,250,246,.55)}
.foot .bottom a{color:inherit}
.foot .biz{display:block;margin-top:10px;font-size:11px;line-height:1.8;color:rgba(251,250,246,.5);overflow-wrap:anywhere}.foot .biz a{color:inherit}

/* ── 반응형 ────────────────────────── */
@media(max-width:960px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{order:-1}.hero-art img{width:min(70%,260px)}
}
@media(max-width:640px){
  body{font-size:15px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .top .wrap{flex-wrap:wrap;min-height:56px;padding-block:8px}
  .nav{width:100%;margin-inline:calc(var(--gutter)*-1);padding-inline:var(--gutter);width:calc(100% + var(--gutter)*2)}
  .wide{display:none}
  .card{padding:22px 18px}
  .hero-art img{width:min(64%,220px)}
  .hero .actions .btn{width:100%}
  .foot .wrap{grid-template-columns:1fr}
  .foot .en,.foot .links{text-align:left;justify-content:flex-start}
  .ribbon span{margin:0 6px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
@media print{.top,.skip,.btn,.textlink,.toc{display:none}.band,.card.dark{background:#fff;color:var(--ink)}.section{padding-block:28px}}