.contribution-page{background:#fff}
.contribution-page .site-header{position:fixed}
.contribution-link{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.contribution-link.active{background:linear-gradient(135deg,var(--violet),#7f65ff);color:#fff;box-shadow:0 10px 24px rgba(101,72,245,.22)}
.section-space-sm{padding:70px 0}

.impact-hero{position:relative;min-height:720px;padding:190px 0 120px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 50% 15%,rgba(255,255,255,.98),rgba(247,246,255,.94) 45%,#f3f7ff 100%)}
.impact-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(101,72,245,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(101,72,245,.045) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 90%)}
.impact-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.6}
.orb-one{width:370px;height:370px;left:-100px;top:130px;background:radial-gradient(circle at 65% 35%,rgba(95,199,255,.55),rgba(102,73,245,.08) 68%,transparent)}
.orb-two{width:430px;height:430px;right:-120px;bottom:-80px;background:radial-gradient(circle at 35% 35%,rgba(135,113,255,.4),rgba(61,212,162,.08) 70%,transparent)}
.impact-hero-copy{max-width:960px;margin:auto;position:relative;z-index:2}
.impact-hero h1{font-size:clamp(48px,5.2vw,78px);line-height:1.06;letter-spacing:-.06em;margin:24px 0}
.impact-hero h1 span{background:linear-gradient(90deg,#4f36dc,#765ff5,#359ddf);-webkit-background-clip:text;color:transparent}
.impact-hero p{max-width:770px;margin:0 auto 34px;color:#5f6272;font-size:19px;line-height:1.8}
.impact-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

.principle-strip{position:relative;margin-top:-50px;z-index:4}
.principle-panel{position:relative;display:grid;grid-template-columns:80px 1fr;gap:24px;align-items:center;padding:42px 52px;border-radius:32px;background:#fff;box-shadow:0 24px 70px rgba(39,41,64,.12);border:1px solid rgba(101,72,245,.11);overflow:hidden}
.principle-panel:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-100px;top:-150px;background:radial-gradient(circle,rgba(101,72,245,.16),transparent 70%)}
.principle-mark{font-family:Georgia,serif;font-size:100px;line-height:.8;color:#d8d0ff;align-self:start}
.principle-panel h2{font-size:clamp(28px,3vw,44px);line-height:1.2;letter-spacing:-.045em;margin:13px 0 12px}
.principle-panel p{margin:0;max-width:930px;color:var(--muted);font-size:16px;line-height:1.8}

.summary-note{margin-bottom:20px;color:#7c7e8d;font-size:13px;text-align:center}.summary-note span{display:inline-flex;margin-right:7px;padding:6px 9px;border-radius:999px;background:#f0edff;color:var(--violet);font-weight:800}
.metric-card{height:100%;min-height:150px;padding:28px;border-radius:26px;background:#f8f8fc;border:1px solid #e8e8f0;display:flex;align-items:flex-end;gap:5px;position:relative;overflow:hidden}
.metric-card:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-45px;top:-50px;background:rgba(101,72,245,.07)}
.metric-card small{position:absolute;left:28px;top:25px;font-size:13px;font-weight:800;color:#727584}
.metric-card strong{font-size:54px;line-height:1;color:var(--ink);letter-spacing:-.05em}.metric-card>span{padding-bottom:5px;color:#8d8f9d;font-weight:700}
.metric-card.highlight{background:linear-gradient(135deg,#6548f5,#548ff6);border:0;color:#fff;box-shadow:0 18px 40px rgba(101,72,245,.2)}
.metric-card.highlight small,.metric-card.highlight strong,.metric-card.highlight>span{color:#fff}.metric-card.highlight:after{background:rgba(255,255,255,.12)}

.cases-section{background:#f7f7fb}
.case-toolbar{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin:-25px 0 38px}
.filter-btn{border:1px solid #e1e2eb;background:#fff;color:#676a79;border-radius:999px;padding:11px 17px;font-size:13px;font-weight:800;transition:.25s}
.filter-btn:hover,.filter-btn.active{border-color:var(--violet);background:#efeaff;color:var(--violet);box-shadow:0 8px 18px rgba(101,72,245,.09)}
.case-list{display:flex;flex-direction:column;gap:24px}
.contribution-case{padding:28px;border-radius:32px;background:#fff;border:1px solid #e3e4ec;box-shadow:0 18px 45px rgba(36,38,58,.06);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.contribution-case:hover{transform:translateY(-4px);border-color:#c4bbff;box-shadow:0 24px 55px rgba(44,45,67,.1)}
.contribution-case.is-hidden{display:none}
.case-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.case-labels{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.case-type,.case-status{display:inline-flex;padding:7px 11px;border-radius:999px;font-size:11px;font-weight:900}
.case-type{background:#f0edff;color:var(--violet)}.case-status{background:#f2f3f7;color:#727584}
.status-progress,.status-ready{background:#fff5dc;color:#a46b00}.status-complete{background:#eaf7ff;color:#2579aa}.status-impact{background:#eaf9f3;color:#238469}
.case-head time{font-size:12px;color:#a0a2ad}
.case-flow{display:grid;grid-template-columns:minmax(190px,1fr) 100px minmax(190px,1fr) minmax(260px,1.4fr);gap:16px;align-items:stretch}
.person-panel,.outcome-panel{border-radius:24px;padding:24px;border:1px solid #ececf3;background:#fafafe;min-width:0}
.person-panel{display:flex;flex-direction:column;align-items:flex-start}.receiver-panel{background:#f8fbff}
.panel-kicker{display:block;color:#8f92a1;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.avatar{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;font-size:14px;font-weight:900;margin-bottom:15px}
.avatar-giver{background:linear-gradient(135deg,#6a4ef2,#8e76ff);color:#fff;box-shadow:0 10px 22px rgba(101,72,245,.2)}
.avatar-receiver{background:linear-gradient(135deg,#53b3f4,#6b70f6);color:#fff;box-shadow:0 10px 22px rgba(77,145,240,.2)}
.person-panel h3{font-size:19px;margin:0 0 7px;letter-spacing:-.035em}.person-panel>p{font-size:13px;color:#858896;margin:0 0 17px;line-height:1.6}
.gift-box{margin-top:auto;padding:14px;border-radius:16px;background:#fff;width:100%;border:1px solid #ececf3}.gift-box small,.gift-box strong{display:block}.gift-box small{color:var(--violet);font-size:10px;font-weight:900;margin-bottom:6px}.gift-box strong{font-size:13px;line-height:1.55}
.connection-rail{position:relative;display:flex;align-items:center;justify-content:center;gap:5px;min-height:180px;color:#777a8a;font-size:11px}
.connection-rail i{font-style:normal;color:var(--violet);font-size:18px}.rail-line{position:absolute;left:5px;right:5px;top:50%;height:2px;background:linear-gradient(90deg,#cfc7ff,#7459f8,#72c0f5);border-radius:999px;transform:translateY(-50%)}
.rail-dot{position:absolute;top:50%;left:0;width:10px;height:10px;border-radius:50%;background:var(--violet);box-shadow:0 0 0 5px rgba(101,72,245,.1);transform:translate(-50%,-50%);animation:railMove 3.2s ease-in-out infinite}
.connection-rail b,.connection-rail i{position:relative;z-index:2;background:#fff;padding:3px}
@keyframes railMove{0%{left:0}50%{left:100%}100%{left:0}}
.outcome-panel{background:linear-gradient(145deg,#fbfbff,#f3f8ff);display:flex;flex-direction:column;justify-content:center}
.outcome-panel p{font-size:17px;line-height:1.75;font-weight:700;color:#3f4253;letter-spacing:-.02em;margin:0 0 20px}
.result-tags{display:flex;gap:8px;flex-wrap:wrap}.result-tags span{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid #e2e6f0;color:#60647b;font-size:11px;font-weight:800}
.empty-state{padding:70px 20px;text-align:center;border-radius:30px;background:#fff;color:#8b8d99}

.operation-section{background:#fff}
.operation-card{border-radius:36px;padding:52px;background:linear-gradient(135deg,#f4f1ff,#f4faff);display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center;border:1px solid #e3dfff}
.operation-copy h2{font-size:clamp(29px,3vw,43px);line-height:1.2;letter-spacing:-.045em;margin:16px 0}.operation-copy p{margin:0;color:var(--muted);line-height:1.8}
.operation-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;position:relative}
.operation-flow:before{content:"";position:absolute;left:9%;right:9%;top:23px;height:2px;background:linear-gradient(90deg,#bdb1ff,#61b9f2);z-index:0}
.operation-flow li{position:relative;z-index:1;text-align:center}.operation-flow span{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;margin:0 auto 12px;background:#fff;color:var(--violet);font-size:11px;font-weight:900;border:1px solid #ddd8ff;box-shadow:0 10px 20px rgba(76,61,165,.08)}.operation-flow b{font-size:12px;display:block}

.impact-cta{position:relative;padding:120px 0;color:#fff;background:linear-gradient(135deg,#5032d7,#785cf7 55%,#3c9ee8);overflow:hidden}
.impact-cta:before,.impact-cta:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.1)}.impact-cta:before{width:420px;height:420px;left:-140px;top:-190px}.impact-cta:after{width:350px;height:350px;right:-100px;bottom:-170px}.impact-cta .eyebrow{color:#fff}.impact-cta h2{font-size:clamp(34px,4vw,58px);line-height:1.14;letter-spacing:-.05em;margin:18px 0}.impact-cta p{max-width:700px;margin:0 auto 34px;color:rgba(255,255,255,.78);font-size:17px;line-height:1.8}

@media(max-width:1199px){
  .case-flow{grid-template-columns:1fr 80px 1fr}.outcome-panel{grid-column:1/-1}.operation-card{grid-template-columns:1fr}.operation-copy{text-align:center;max-width:720px;margin:auto}
}
@media(max-width:991px){
  .impact-hero{min-height:650px;padding:160px 0 100px}.principle-panel{grid-template-columns:55px 1fr;padding:36px}.principle-mark{font-size:76px}
  .case-flow{grid-template-columns:1fr 68px 1fr}.operation-flow{max-width:700px;margin:auto}
}
@media(max-width:767px){
  .section-space-sm{padding:55px 0}.impact-hero{min-height:620px;padding:145px 0 90px}.impact-hero h1{font-size:41px;line-height:1.12}.impact-hero p{font-size:16px}.impact-actions .btn{width:100%;max-width:300px}
  .principle-strip{margin-top:-34px}.principle-panel{display:block;padding:28px 24px;border-radius:26px}.principle-mark{position:absolute;right:22px;top:18px;font-size:70px;opacity:.55}.principle-panel h2{font-size:28px;padding-right:20px}.principle-panel p{font-size:15px}
  .metric-card{min-height:128px;padding:20px}.metric-card small{left:20px;top:20px}.metric-card strong{font-size:42px}
  .case-toolbar{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin-left:-12px;margin-right:-12px;padding:0 12px 8px}.filter-btn{flex:0 0 auto}
  .contribution-case{padding:20px;border-radius:26px}.case-head{align-items:flex-start}.case-flow{grid-template-columns:1fr;gap:12px}.person-panel,.outcome-panel{padding:20px}.connection-rail{min-height:72px;flex-direction:column}.rail-line{left:50%;right:auto;top:4px;bottom:4px;width:2px;height:auto;transform:translateX(-50%);background:linear-gradient(180deg,#cfc7ff,#7459f8,#72c0f5)}.rail-dot{left:50%;top:0;animation:railMoveVertical 3.2s ease-in-out infinite}.connection-rail b,.connection-rail i{padding:2px 5px}.connection-rail i{transform:rotate(90deg)}
  @keyframes railMoveVertical{0%{top:0}50%{top:100%}100%{top:0}}
  .outcome-panel p{font-size:16px}.operation-card{padding:30px 22px;border-radius:28px;gap:35px}.operation-flow{grid-template-columns:1fr;gap:10px}.operation-flow:before{left:22px;right:auto;top:10px;bottom:10px;width:2px;height:auto;background:linear-gradient(180deg,#bdb1ff,#61b9f2)}.operation-flow li{display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:center;text-align:left}.operation-flow span{margin:0}.operation-flow b{font-size:13px}
  .impact-cta{padding:90px 0}.impact-cta h2{font-size:36px}
}
@media(prefers-reduced-motion:reduce){.rail-dot{animation:none}}

/* v11: contribution page compact cards and in-page request modal */
.impact-hero h1{font-size:clamp(44px,4.7vw,70px)}
.request-context-note{margin-bottom:22px;padding:14px 16px;border-radius:14px;background:#f3f0ff;color:#5d50a8;font-size:14px;line-height:1.65;font-weight:700}

/* 사례 목록 높이를 기존 대비 약 50% 가까이 압축 */
.contribution-case{padding:18px 20px;border-radius:26px}
.case-head{margin-bottom:10px}
.case-flow{grid-template-columns:minmax(190px,1fr) 100px minmax(190px,1fr) minmax(260px,1.4fr);gap:12px}
.person-panel,.outcome-panel{padding:14px 16px;border-radius:19px}
.person-panel{display:grid;grid-template-columns:40px minmax(0,1fr);grid-template-rows:auto auto auto;column-gap:11px;align-content:center;align-items:center}
.person-panel .panel-kicker{grid-column:1/-1;margin-bottom:8px}
.avatar{grid-column:1;grid-row:2/4;width:38px;height:38px;border-radius:13px;font-size:11px;margin:0}
.person-panel h3{grid-column:2;grid-row:2;font-size:16px;margin:0 0 3px}
.person-panel>p{grid-column:2;grid-row:3;font-size:11px;margin:0;line-height:1.4}
.gift-box{grid-column:1/-1;margin-top:9px;padding:9px 11px;border-radius:13px}
.gift-box small{margin-bottom:3px}.gift-box strong{font-size:12px;line-height:1.42}
.panel-kicker{font-size:9px;margin-bottom:8px}
.connection-rail{min-height:112px;overflow:visible}
.rail-line{left:12px;right:12px;overflow:visible}
.rail-dot{left:8px;z-index:3}
.connection-rail b,.connection-rail i{padding:3px 5px;border-radius:6px}
@keyframes railMove{0%,100%{left:8px}50%{left:calc(100% - 8px)}}
.outcome-panel p{font-size:14px;line-height:1.55;margin:0 0 10px}
.result-tags{gap:6px}.result-tags span{padding:6px 8px;font-size:10px}

@media(max-width:1199px){
  .case-flow{grid-template-columns:1fr 76px 1fr}
}
@media(max-width:767px){
  .impact-hero h1{font-size:36px}
  .contribution-case{padding:16px;border-radius:23px}
  .case-flow{gap:8px}
  .person-panel,.outcome-panel{padding:13px 14px}
  .connection-rail{min-height:58px}
  .rail-line{top:8px;bottom:8px;left:50%;right:auto}
  .rail-dot{top:8px;left:50%}
  @keyframes railMoveVertical{0%,100%{top:8px}50%{top:calc(100% - 8px)}}
}


/* v12: 기여·연결 사이의 선과 화살표를 제거하고 움직이는 볼만 표시 */
.connection-rail{
  display:grid;
  grid-template-columns:auto minmax(34px,1fr) auto;
  align-items:center;
  justify-content:stretch;
  gap:9px;
  min-height:112px;
  overflow:visible;
}
.connection-rail b{
  position:relative;
  z-index:2;
  padding:0;
  background:transparent;
  color:#777a8a;
  font-size:12px;
  font-weight:900;
  white-space:nowrap;
}
.connection-track{
  position:relative;
  width:100%;
  height:24px;
  min-width:34px;
  overflow:visible;
}
.connection-track .rail-dot{
  position:absolute;
  top:50%;
  left:8px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--sky));
  box-shadow:0 0 0 5px rgba(101,72,245,.11),0 5px 13px rgba(101,72,245,.25);
  transform:translate(-50%,-50%);
  animation:railMoveBallOnly 2.7s ease-in-out infinite;
}
.connection-rail .rail-line,
.connection-rail i{display:none!important}
@keyframes railMoveBallOnly{
  0%,100%{left:8px}
  50%{left:calc(100% - 8px)}
}

@media(max-width:767px){
  .connection-rail{
    grid-template-columns:auto minmax(70px,1fr) auto;
    flex-direction:initial;
    min-height:42px;
    gap:10px;
    padding:0 8px;
  }
  .connection-track{height:24px}
  .connection-track .rail-dot{
    top:50%;
    left:8px;
    animation:railMoveBallOnly 2.7s ease-in-out infinite;
  }
}

/* v13: 공개 절차 01~05 순차 활성화 */
.operation-flow li{
  opacity:1;
  transform:translateY(0) scale(.98);
  transition:transform .38s ease,color .38s ease;
}
.operation-flow li.is-active span{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg,var(--violet),var(--sky));
  box-shadow:0 12px 26px rgba(101,72,245,.28),
             0 0 0 7px rgba(101,72,245,.08);
  transform:scale(1.08);
}
.operation-flow li.is-active{
  opacity:1;
  transform:translateY(-5px) scale(1);
}
.operation-flow li.is-active span{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg,var(--violet),var(--sky));
  box-shadow:0 12px 26px rgba(101,72,245,.28),0 0 0 7px rgba(101,72,245,.08);
  transform:scale(1.08);
}
.operation-flow li.is-active b{
  color:var(--ink);
  font-weight:900;
}

@media(max-width:767px){
  .operation-flow li.is-active{
    transform:translateX(5px) scale(1);
  }
}

@media(prefers-reduced-motion:reduce){
  .operation-flow li,
  .operation-flow li span,
  .operation-flow li b{
    transition:none!important;
  }
  .operation-flow li.is-active{
    transform:none;
  }
}