:root{
  --bg:#ffffff;
  --bg-2:#f5f5f7;
  --card:#f5f5f7;
  --card-2:#ececf0;
  --line:rgba(0,0,0,.08);
  --text:#1d1d1f;
  --muted:#6e6e73;
  --dim:#86868b;
  --faint:#d2d2d7;
  --accent:#009c82;
  --accent-hover:#00876f;
  --dark:#363640;
  --dark-hover:#24242b;
  --accent-2:#009c82;
  --grad:linear-gradient(90deg,#3cc9a8 0%,#009c82 50%,#006b5a 100%);
  --radius:28px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--text);
  font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Segoe UI",sans-serif;
  line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  word-break:keep-all;overflow-wrap:break-word;
}
a{color:inherit;text-decoration:none}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
button{font-family:inherit}

/* ── progress ── */
.progress{position:fixed;inset:56px 0 auto 0;height:3px;z-index:49;pointer-events:none}
.progress span{display:block;height:100%;width:100%;background:var(--grad);transform-origin:0 50%;transform:scaleX(0)}

/* ── nav (윌로형 청록 헤더) ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;height:56px;
  display:flex;align-items:center;gap:20px;padding:0 max(16px,calc((100vw - 1040px)/2));
  background:var(--accent);color:#fff;
}
.brand{font-weight:700;font-size:18px;letter-spacing:-.01em}
.links{display:flex;gap:24px;margin-left:auto;font-size:15px}
.links a{opacity:.88;transition:opacity .2s}
.links a:hover{opacity:1}

.lang{display:flex;border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:3px}
.lang button{
  border:0;background:transparent;color:#fff;cursor:pointer;
  font-size:11px;font-weight:700;letter-spacing:.04em;padding:5px 9px;border-radius:999px;
  transition:background .25s,color .25s;opacity:.9;
}
.lang button:hover{opacity:1}
.lang button[aria-pressed="true"]{background:#fff;color:var(--accent);opacity:1}

.nav-cta{font-size:12px;font-weight:700;background:#fff;color:var(--accent);padding:7px 14px;border-radius:999px;white-space:nowrap}
.nav-cta:hover{background:#eafaf6}
@media (max-width:760px){
  .links{display:none}
  .lang{margin-left:auto}
  .nav{gap:10px}
}

.admin-btn{
  position:fixed;top:68px;right:16px;z-index:55;
  font:600 12px/1 inherit;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;background:var(--text);border:0;
  padding:9px 14px;border-radius:999px;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.18);
  animation:pop .35s var(--ease);
}
.admin-btn:hover{background:#000}
@keyframes pop{from{opacity:0;transform:translateY(-8px) scale(.9)}to{opacity:1;transform:none}}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font:600 16px/1 inherit;padding:14px 24px;border-radius:999px;border:0;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,box-shadow .25s;
}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px -10px rgba(0,156,130,.55)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.ghost{color:var(--accent);background:transparent;padding-left:6px;padding-right:6px}
.btn.ghost::after{content:"›";font-size:20px;margin-top:-2px}
.btn.ghost:hover{text-decoration:underline}
.btn.big{font-size:18px;padding:18px 34px}
.btn.soft{background:var(--card);color:var(--text);font-size:14px;padding:11px 18px}
.btn.soft:hover{background:var(--card-2)}

.eyebrow{font-size:14px;font-weight:600;color:var(--accent-2);letter-spacing:.02em;margin-bottom:12px}

/* ── home (CASE D: 타일 3개) ── */
.home{max-width:1040px;margin:0 auto;padding:calc(52px + 9vh) 16px 10vh}
.home-head{margin-bottom:44px}
.home-head>*{opacity:0;transform:translateY(24px);animation:rise .9s var(--ease) forwards}
.home-title{font-size:clamp(40px,7vw,76px);font-weight:800;letter-spacing:-.04em;line-height:1.05;animation-delay:.08s!important}
.home-sub{font-size:clamp(17px,2vw,20px);color:var(--muted);margin-top:12px;animation-delay:.16s!important}
@keyframes rise{to{opacity:1;transform:none}}

.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tile{display:block;opacity:0;transform:translateY(40px);animation:rise 1s var(--ease) forwards;animation-delay:calc(.3s + var(--i) * .12s)}
.tile-img{height:300px;display:grid;place-items:center;overflow:hidden;position:relative;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.tile:hover .tile-img{transform:translateY(-6px)}
.tile:hover .tile-label{transform:translateY(-6px)}
.tile-label{box-shadow:0 0 0 rgba(0,0,0,0)}
.tile:hover .tile-label{box-shadow:0 22px 40px -22px rgba(0,0,0,.45)}
.tile-label{
  display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  min-height:72px;margin-top:0;padding:18px 24px;
  background:var(--dark);color:#fff;font-weight:700;font-size:21px;letter-spacing:-.01em;line-height:1.3;
  transition:background .3s,transform .6s var(--ease),box-shadow .6s var(--ease);
}
.tile-label::after{
  content:"";flex:none;width:11px;height:11px;border:solid #fff;border-width:3px 3px 0 0;transform:rotate(45deg);
  margin-right:6px;transition:transform .3s var(--ease);
}
.tile:hover .tile-label{background:var(--dark-hover)}
.tile:hover .tile-label::after{transform:translateX(5px) rotate(45deg)}
.tile:active .tile-label{filter:brightness(.92)}
.tile:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.tile-label.accent{background:var(--accent)}
.tile:hover .tile-label.accent{background:var(--accent-hover)}

/* 다운로드 타일 */
.t-dl{background:linear-gradient(150deg,#00b394,#006b5a);color:#fff}
.t-dl::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.22),transparent 55%)}
.t-dl-icon{width:96px;height:96px;stroke-width:1.5;transition:transform .5s var(--ease)}
.tile:hover .t-dl-icon{animation:drop 1s var(--ease) infinite}
@keyframes drop{0%{transform:translateY(-6px)}50%{transform:translateY(8px)}100%{transform:translateY(-6px)}}

/* 사용법 타일 */
.t-how{background:#eef1f2}
.mini-win{width:62%;background:#fff;border-radius:10px;box-shadow:0 14px 30px -12px rgba(0,0,0,.25);padding:22px;transition:transform .6s var(--ease)}
.mini-win>i{display:block;height:8px;border-radius:3px;background:#e1e5e6;margin-bottom:9px}
.mini-win .l1{width:42%;height:10px;background:var(--accent);margin-bottom:15px}
.mini-win .l3{width:78%;margin-bottom:20px}
.mini-bar{height:6px;background:#e1e5e6;border-radius:3px;overflow:hidden}
.mini-bar i{display:block;height:100%;width:35%;background:var(--accent);border-radius:3px;transition:width 1.2s var(--ease)}
.tile:hover .mini-win{transform:scale(1.05)}
.tile:hover .mini-bar i{width:100%}

/* 프로그램 정보 타일 */
.t-info{background:#1f2a2e}
.t-chart{width:72%}
.t-chart path,.t-chart circle{fill:none}
.t-chart .pt{fill:#3cc9a8}
.t-chart .c1{stroke-dasharray:260;stroke-dashoffset:0;transition:stroke-dashoffset 0s}
.tile:hover .t-chart .c1{animation:draw 1.2s var(--ease)}
@keyframes draw{from{stroke-dashoffset:260}to{stroke-dashoffset:0}}

@media (max-width:860px){
  .tiles{grid-template-columns:1fr;gap:28px}
  .tile-img{height:180px}
  .tile-label{font-size:20px;min-height:68px}
  .home{padding-top:calc(52px + 6vh)}
}

/* ── statement scrub ── */
.statement{max-width:1040px;margin:0 auto;padding:18vh 16px}
.scrub{font-size:clamp(28px,4.6vw,56px);font-weight:700;letter-spacing:-.03em;line-height:1.25}
.scrub .w{color:var(--faint);transition:color .25s}
.scrub .w.on{color:var(--text)}

/* ── sections ── */
.section{max-width:1040px;margin:0 auto;padding:14vh 16px}
.section-head{margin-bottom:56px}
.section-head h2,.download h2{font-size:clamp(34px,6vw,64px);font-weight:800;letter-spacing:-.035em;line-height:1.1}

.reveal{opacity:0;transform:translateY(48px) scale(.98);transition:opacity 1s var(--ease) var(--d,0s),transform 1s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{
  background:var(--card);border-radius:var(--radius);padding:36px;
  position:relative;overflow:hidden;min-height:250px;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),background .5s;
}
.card:hover{transform:translateY(-4px);background:#fff;box-shadow:0 20px 50px -20px rgba(0,0,0,.18),0 0 0 1px var(--line)}
.card-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:56px;
  background:#fff;color:var(--accent);box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.card-icon svg{width:26px;height:26px}
.card h3{font-size:24px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.card p{color:var(--muted);font-size:17px}
.card.wide{grid-column:1/-1;min-height:0}
.spec{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:26px}
.spec dt{font-size:13px;color:var(--dim);margin-bottom:6px}
.spec dd{font-size:16px;font-weight:600}
@media (max-width:760px){
  .grid{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr 1fr}
  .card{padding:28px}
  .card-icon{margin-bottom:36px}
}

/* ── install (sticky visual + steps) ── */
.install{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start}
.install-visual{position:sticky;top:calc(50vh - 190px)}
.win{
  background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 30px 80px -30px rgba(0,90,75,.28),0 2px 6px rgba(0,0,0,.04);
}
.win-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.win-bar span{margin-left:10px;font-size:12px;color:var(--dim)}
.dot{width:11px;height:11px;border-radius:50%;display:inline-block}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.win-body{padding:48px 36px 40px;text-align:center}
.win-icon{
  width:86px;height:86px;margin:0 auto 24px;border-radius:24px;display:grid;place-items:center;
  background:var(--grad);color:#fff;transition:transform .5s var(--ease);
}
.win-icon svg{width:42px;height:42px;stroke-width:2}
.win-icon.bump{animation:bump .5s var(--ease)}
@keyframes bump{40%{transform:scale(.85) rotate(-6deg)}}
.win-step{font-size:13px;color:var(--accent-2);font-weight:600;margin-bottom:6px}
.win-title{font-size:24px;font-weight:700;letter-spacing:-.02em;margin-bottom:30px;min-height:36px}
.bar{height:6px;border-radius:3px;background:var(--card-2);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .8s var(--ease)}
.pips{display:flex;justify-content:center;gap:8px;margin-top:22px}
.pips i{width:8px;height:8px;border-radius:50%;background:var(--faint);transition:background .3s,width .3s}
.pips i.on{background:var(--text);width:22px;border-radius:4px}

.steps{list-style:none}
.step{
  min-height:62vh;display:flex;flex-direction:column;justify-content:center;
  opacity:.22;transition:opacity .5s var(--ease);
}
.step.active{opacity:1}
.step-num{font-size:15px;font-weight:700;color:var(--accent);margin-bottom:10px}
.step h3{font-size:clamp(26px,3.4vw,36px);font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.step p{font-size:18px;color:var(--muted);max-width:440px}
.step b{color:var(--text);font-weight:600}
@media (max-width:860px){
  .install{grid-template-columns:1fr;gap:0}
  .install-visual{top:68px;z-index:2}
  .win-body{padding:24px 20px}
  .win-icon{width:56px;height:56px;border-radius:16px;margin-bottom:12px}
  .win-icon svg{width:28px;height:28px}
  .win-title{font-size:19px;margin-bottom:16px;min-height:0}
  .pips{margin-top:14px}
  .step{min-height:55vh}
}

/* ── download ── */
.download{background:var(--bg-2);padding:16vh 16px 18vh;text-align:center}
.download h2{margin-bottom:48px}
.dl-card{
  max-width:560px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:52px 32px;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.25);position:relative;overflow:hidden;
}
.dl-card::after{
  content:"";position:absolute;inset:auto -30% -60% -30%;height:80%;
  background:radial-gradient(ellipse at center,rgba(0,156,130,.10),transparent 65%);pointer-events:none;
}
.dl-icon{width:72px;height:72px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;background:rgba(0,156,130,.09);color:var(--accent)}
.dl-icon svg{width:34px;height:34px;stroke-width:2}
.dl-card h3{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:22px}
.file-meta{display:flex;justify-content:center;gap:28px;margin-bottom:34px;flex-wrap:wrap}
.file-meta dt{font-size:12px;color:var(--dim)}
.file-meta dd{font-size:15px;font-weight:600}
.dl-card .btn{position:relative;z-index:1}
.dl-note{position:relative;z-index:1;margin-top:16px;font-size:13px;color:var(--dim)}

.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:28px 16px;text-align:center;font-size:12px;color:var(--dim)}
.footer p{display:inline-block;cursor:default;user-select:none;-webkit-user-select:none}

/* ── admin modal ── */
.modal{
  position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px;
  background:rgba(245,245,247,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  animation:fade .25s ease;
}
@keyframes fade{from{opacity:0}}
.modal-card{
  width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;
  background:#fff;border-radius:24px;padding:32px;position:relative;
  box-shadow:0 40px 100px -30px rgba(0,0,0,.35),0 0 0 1px var(--line);
  animation:pop .35s var(--ease);
}
.modal-card h3{font-size:22px;font-weight:700;margin-bottom:20px}
.modal-close{position:absolute;top:16px;right:18px;width:32px;height:32px;border-radius:50%;border:0;background:var(--card);color:var(--muted);font-size:20px;cursor:pointer}
.modal-close:hover{background:var(--card-2)}
.login{display:flex;gap:10px;flex-wrap:wrap}
.login input{
  flex:1;min-width:180px;font:16px inherit;color:var(--text);background:var(--card);
  border:1px solid transparent;border-radius:14px;padding:13px 16px;outline:none;
}
.login input:focus{border-color:var(--accent);background:#fff}
.err{width:100%;font-size:13px;color:#d70015;min-height:18px}

.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.stat{background:var(--card);border-radius:18px;padding:18px}
.stat span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.stat b{font-size:32px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat.dl b{color:var(--accent)}
.table-title{font-size:13px;color:var(--muted);margin-bottom:8px}
.table-wrap{border:1px solid var(--line);border-radius:16px;overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:10px 16px;text-align:right}
th:first-child,td:first-child{text-align:left}
th{font-weight:600;color:var(--dim);font-size:12px;background:var(--card)}
tbody tr+tr td{border-top:1px solid var(--line)}
.stat-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}