/* WESCAN 진단 시뮬레이터 — scrollytelling + 직접 해보기 (vanilla, 의존성 없음)
   사이트 이식 시 custom.css 토큰(--ws-accent 등)만 있으면 동작 */
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sim{--sim-bg:#111522;--sim-card:#1b2030;--sim-line:rgba(148,163,184,.16);--sim-blue:#3b6cf6;--sim-cyan:#22d3ee;--sim-green:#22c55e;
  background:radial-gradient(60rem 40rem at 85% 20%,rgba(37,99,235,.12),transparent 60%),radial-gradient(50rem 36rem at 5% 70%,rgba(34,197,94,.08),transparent 60%),var(--ws-dark);padding-top:2rem}
.sim-head .lead{margin-inline:auto}
.sim-modes{display:inline-flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:1.8rem}
.sim-modes button,.sim-modes a{font:inherit;font-size:.92rem;font-weight:700;padding:.6rem 1.15rem;border-radius:999px;border:1.5px solid rgba(255,255,255,.28);background:transparent;color:#e2e8f0;cursor:pointer}
.sim-modes [aria-pressed="true"]{background:#5eead4;border-color:#5eead4;color:#06201d}
.sim-modes a{border-style:dashed;color:#94a3b8}
.sim-body{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem,4vw,4rem);margin-top:3rem;position:relative}
.sim-stage{grid-column:2;grid-row:1;position:sticky;top:calc(68px + 4vh);height:calc(92vh - 68px);max-height:780px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr auto auto;gap:.9rem 1.6rem;align-items:center}
.sim-steps{grid-column:1;grid-row:1;list-style:none;margin:0;padding:0}
.sim-step{min-height:80vh;display:flex;flex-direction:column;justify-content:center;opacity:.32;transition:opacity .35s}
.sim-step.on{opacity:1}
.sim-step .k{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--sim-cyan)}
.sim-step h3{font-size:clamp(1.45rem,1.1rem + 1.4vw,2.15rem);line-height:1.35;color:#fff;margin-top:.6rem;letter-spacing:-.02em}
.sim-step p{color:#cbd5e1;margin-top:1rem;max-width:30em;font-size:1.02rem}
.sim-step:first-child{min-height:70vh}.sim-step:last-child{min-height:100vh;justify-content:flex-start;padding-top:22vh}
/* chapter chips (영상 첫 화면의 ①~④ 구성) */
.sim-chap{grid-column:1/-1;display:flex;gap:.4rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.sim-chap li{display:flex;align-items:center;gap:.4rem;font-size:.8rem;font-weight:700;color:#94a3b8;background:var(--sim-card);border:1px solid var(--sim-line);padding:.35rem .7rem .35rem .4rem;border-radius:10px;transition:.3s}
.sim-chap i{font-style:normal;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:.72rem;background:#334155;color:#fff}
.sim-chap li.on{color:#fff;border-color:rgba(94,234,212,.5)}
.sim-chap li.on i,.sim-chap li.done i{background:var(--sim-green)}
.sim-chap li.done{color:#cbd5e1}
/* HUD */
.sim-hud{grid-column:1;grid-row:2;position:relative;align-self:stretch;min-height:300px}
.hud{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:.9rem;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .35s,transform .35s,visibility 0s .35s}
.hud.on{opacity:1;visibility:visible;transform:none;transition:opacity .35s,transform .35s}
.hud [data-at]{opacity:.25;transition:opacity .3s,transform .3s}
.hud [data-at].in{opacity:1}
.tag{align-self:flex-start;font-size:.8rem;font-weight:700;color:#fff;background:#334155;padding:.35rem .8rem;border-radius:8px}
.tag.blue{background:var(--sim-blue)}.tag.green{background:#16a34a}
.pill{align-self:flex-start;font-weight:700;font-size:.92rem;padding:.65rem 1rem;border-radius:10px;background:var(--sim-card);color:#94a3b8}
.pill.ok.in{background:rgba(34,197,94,.14);color:#4ade80}
.hud-cap{margin-top:auto;font-size:.88rem;color:#e2e8f0;border-left:4px solid var(--sim-cyan);background:var(--sim-card);padding:.55rem .9rem;border-radius:4px 10px 10px 4px}
.hud-cap b{display:block;font-size:.68rem;letter-spacing:.12em;color:var(--sim-cyan)}
.hud-cap small{color:#94a3b8;margin-left:.4rem}
.hud-dev{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--sim-line);max-width:340px}
.hud-dev img{display:block;width:100%}
.hud-dev .pulse{position:absolute;right:14%;bottom:18%;width:18px;height:18px;border-radius:50%;background:#22d3ee;box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:simPulse 1.6s infinite}
@keyframes simPulse{to{box-shadow:0 0 0 22px rgba(34,211,238,0)}}
.hud-start{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:#1f2937;box-shadow:0 0 0 10px #273244,0 0 0 13px #64748b;transition:.4s}
.hud-start span{width:96px;height:96px;border-radius:50%;background:#111827;border:1.5px solid #475569;display:grid;place-items:center;align-content:center;color:#fff;font-weight:700;font-size:.95rem;line-height:1.1;text-align:center}
.hud-start small{display:block;font-weight:500;color:#94a3b8;font-size:.78rem}
.hud.p60 .hud-start{box-shadow:0 0 0 10px #166534,0 0 0 14px #22c55e,0 0 40px 10px rgba(34,197,94,.35)}
.hud-chk{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.hud-chk li{font-size:.9rem;font-weight:700;color:#64748b;background:var(--sim-card);border:1px solid var(--sim-line);border-radius:8px;padding:.5rem .8rem;display:flex;justify-content:space-between;gap:.6rem}
.hud-chk li::after{content:"···";color:#475569}
.hud-chk li.in{color:#4ade80;opacity:1}
.hud-chk li.in::after{content:"✓";color:#4ade80}
.hud-chk.row{grid-template-columns:repeat(3,1fr)}
.hud-chk.row li{font-size:.8rem;justify-content:center}
.hud-chk.row li::after{display:none}.hud-chk.row li.in::before{content:"✓ "}
.hud-scan{display:flex;gap:1.4rem;align-items:center}
.hud-scan .hud-chk.list,.hud-scan .kv{flex:1}
.ring{--p:0;flex:none;width:132px;height:132px;border-radius:50%;display:grid;place-items:center;align-content:center;background:radial-gradient(closest-side,var(--ws-dark) 82%,transparent 83% 100%),conic-gradient(var(--sim-cyan) calc(var(--p)*1%),#273244 0)}
.ring.g{background:radial-gradient(closest-side,var(--ws-dark) 82%,transparent 83% 100%),conic-gradient(var(--sim-green) calc(var(--p)*1%),#273244 0)}
.ring b{font-size:2.1rem;color:#fff;line-height:1}
.ring small{color:#94a3b8;font-size:.75rem;margin-top:.2rem}
.kv{display:grid;gap:.4rem}
.kv p{display:flex;justify-content:space-between;background:var(--sim-card);border-radius:8px;padding:.45rem .8rem;font-size:.86rem;color:#94a3b8}
.kv b{color:#fff}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.kpis div{background:var(--sim-card);border-left:3px solid #e2e8f0;border-radius:6px 12px 12px 6px;padding:.6rem .9rem}
.kpis div:first-child{border-color:var(--sim-cyan)}.kpis div.g{border-color:var(--sim-green)}
.kpis span{display:block;font-size:.76rem;color:#94a3b8}
.kpis b{font-size:1.55rem;color:#fff;font-variant-numeric:tabular-nums}
.kpis small{color:#94a3b8;margin-left:.25rem;font-size:.8rem}
.hud-types{display:grid;gap:.7rem}
.hud-types div{background:var(--sim-card);border:1.5px solid var(--sim-line);border-radius:12px;padding:.85rem 1rem;display:grid;gap:.15rem}
.hud-types .t1.in{border-color:var(--sim-blue)}.hud-types .t2.in{border-color:var(--sim-green)}
.hud-types b{color:#fff}.hud-types span{font-size:.85rem;color:#94a3b8}.hud-types em{font-style:normal;font-size:.8rem;color:#5eead4;font-weight:700}
.grade{display:flex;gap:1.2rem;align-items:center}
.grade i{font-style:normal;width:96px;height:96px;flex:none;border-radius:50%;background:#16a34a;color:#fff;font-size:2.6rem;font-weight:700;display:grid;place-items:center}
.grade b{font-size:1.9rem;color:#fff;display:block;line-height:1.2}
.grade small{color:#94a3b8}.grade p{margin-top:.35rem;color:var(--sim-cyan);font-weight:700;font-size:1.1rem}
.grade em{font-style:normal}
.ai{background:var(--sim-card);border-radius:12px;padding:.9rem 1rem}
.ai b{color:#fff}.ai p{color:#cbd5e1;font-size:.92rem;margin-top:.3rem}
.certs{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.cert-card{display:block;position:relative;border-radius:12px;overflow:hidden;border:2px solid var(--sim-blue);transition:transform .2s,box-shadow .2s}
.cert-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.cert-card img{display:block;width:100%;height:auto;border-radius:10px}
.cert-label{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,.92) 0%,rgba(0,0,0,.85) 70%,transparent 100%);padding:.7rem .8rem;color:#fff}
.cert-label b{display:block;font-size:.9rem;font-weight:700;margin-bottom:.2rem}
.cert-label em{display:block;font-style:normal;color:#5eead4;font-size:.75rem;font-weight:600}
/* phone */
.sim-phone{grid-column:2;grid-row:2/4;width:clamp(200px,16.5vw,255px);aspect-ratio:540/1042;border-radius:34px;padding:9px;background:#05070c;box-shadow:0 0 0 1.5px #3b4252,0 40px 90px -20px rgba(0,0,0,.7);align-self:center}
.sim-screen{position:relative;width:100%;height:100%;border-radius:26px;overflow:hidden;background:#141a26}
.sim-screen .scr{position:absolute;left:0;top:0;width:100%;height:auto;opacity:0;transition:opacity .35s}
.sim-screen .scr.on{opacity:1}
/* controls */
.sim-ctrl{grid-column:1;grid-row:3;display:flex;gap:.5rem;align-items:center}
.sim-ctrl button{font:inherit;font-weight:700;border-radius:999px;cursor:pointer;border:1.5px solid rgba(255,255,255,.28);background:transparent;color:#e2e8f0;padding:.6rem 1rem;min-height:44px}
.sim-ctrl .act{background:var(--ws-accent);border-color:var(--ws-accent);color:#fff;padding-inline:1.4rem}
.sim-ctrl button:disabled{opacity:.35;cursor:default}
.sim-bar{grid-column:1/-1;grid-row:4;height:3px;background:#273244;border-radius:3px;overflow:hidden}
.sim-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,#22d3ee,#22c55e);transition:width .2s}
.sim-label{grid-column:1/-1;font-size:.76rem;color:#94a3b8;margin-top:-.3rem}
.sim-cap{display:none}
.sim-video{margin:4rem auto 0;max-width:880px}
.sim-video video{width:100%;border-radius:var(--ws-radius);background:#000;display:block;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.sim-video figcaption{font-size:.82rem;color:#94a3b8;margin-top:.7rem;text-align:center}
:focus-visible{outline:3px solid #5eead4;outline-offset:2px}
/* 직접 해보기 모드: 버튼으로 진행, 스크롤 구간 접힘 */
.sim-stage{scroll-margin-top:84px}
.sim.is-try .sim-stage{position:relative;top:0;height:auto;min-height:620px}
.sim.is-try .sim-step{display:none;min-height:0;opacity:1}
.sim.is-try .sim-step.on{display:block}
.sim.is-try .sim-body{align-items:center}
.sim:not(.is-try) .sim-ctrl .prev,.sim:not(.is-try) .sim-ctrl .next{display:inline-flex}
/* mobile */
@media (max-width:900px){
  .sim-body{display:block;margin-top:2rem}
  .sim-stage{position:sticky;top:68px;z-index:5;height:auto;max-height:none;background:var(--ws-dark);margin-inline:calc(-1*clamp(1.25rem,4vw,2.5rem));padding:.8rem clamp(1.25rem,4vw,2.5rem) .6rem;grid-template-columns:1fr auto;grid-template-rows:auto auto auto auto auto;gap:.55rem .9rem;border-bottom:1px solid var(--sim-line);box-shadow:0 18px 30px -18px rgba(0,0,0,.6)}
  .sim-chap{display:none}
  .sim-hud{grid-column:1;grid-row:1;min-height:auto}
  .sim-phone{grid-column:2;grid-row:1;width:122px;border-radius:20px;padding:5px;align-self:start}
  .sim-screen{border-radius:16px}
  .sim-cap{display:block;grid-column:1/-1;grid-row:2;min-height:7.6em}
  .sim-cap .k{font-size:.68rem;font-weight:700;letter-spacing:.1em;color:var(--sim-cyan)}
  .sim-cap h3{font-size:1.08rem;line-height:1.35;color:#fff;margin-top:.15rem}
  .sim-cap p{font-size:.8rem;color:#cbd5e1;margin-top:.3rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .sim-ctrl{grid-column:1/-1;grid-row:3}
  .sim-ctrl .act{flex:1}
  .sim-ctrl button{padding:.45rem .9rem;font-size:.86rem;min-height:42px}
  .sim-bar{grid-row:4}
  .sim-label{grid-row:5;font-size:.64rem;margin:0;line-height:1.4}
  .sim-step{min-height:58vh;align-items:center;justify-content:center;padding:0}
  .sim-step>*{visibility:hidden;height:0;margin:0;overflow:hidden}
  .sim-step::after{content:"스크롤하면 다음 단계로 ↓";font-size:.78rem;color:#475569;letter-spacing:.04em}
  .sim-step:last-child::after{content:""}
  .sim-step:first-child{min-height:30vh}.sim-step:last-child{min-height:62vh;padding-top:0}
  .hud{gap:.45rem;justify-content:flex-start}
  .hud-cap{display:none}
  .hud-dev{max-width:200px}
  .hud-start{width:92px;height:92px;box-shadow:0 0 0 6px #273244,0 0 0 8px #64748b}
  .hud.p60 .hud-start{box-shadow:0 0 0 6px #166534,0 0 0 9px #22c55e,0 0 26px 6px rgba(34,197,94,.35)}
  .hud-start span{width:62px;height:62px;font-size:.76rem}
  .ring{width:84px;height:84px}.ring b{font-size:1.3rem}.ring small{font-size:.6rem}
  .hud-scan{gap:.55rem;align-items:flex-start;flex-direction:column}
  .hud[data-hud="7"] .hud-scan{flex-direction:row;align-items:center}
  .hud[data-hud="7"] .hud-chk.row,.hud[data-hud="9"] .hud-chk.row{display:none}
  .hud-chk{gap:.28rem}.hud-chk li{font-size:.72rem;padding:.28rem .5rem}
  .hud-chk.row{grid-template-columns:1fr}
  .hud-scan .hud-chk.list{display:grid;grid-template-columns:1fr 1fr;width:100%}
  .kv{gap:.25rem}.kv p{font-size:.68rem;padding:.2rem .45rem}
  .kpis{gap:.35rem}.kpis div{padding:.3rem .5rem}.kpis b{font-size:1.02rem}.kpis span{font-size:.64rem}.kpis small{font-size:.66rem}
  .hud-types div{padding:.5rem .65rem}.hud-types b{font-size:.86rem}.hud-types span,.hud-types em{font-size:.7rem}
  .grade{gap:.7rem}.grade i{width:58px;height:58px;font-size:1.6rem}.grade b{font-size:1.2rem}.grade p{font-size:.88rem}
  .ai{padding:.5rem .65rem}.ai p{font-size:.76rem}
  .certs{grid-template-columns:1fr 1fr;gap:.35rem}
  .cert-card{border-width:1.5px}
  .cert-card img{max-width:100%;height:auto;object-fit:contain}
  .cert-label{padding:.3rem .4rem}
  .cert-label b{font-size:.7rem;margin-bottom:.1rem;line-height:1.2}
  .cert-label em{font-size:.6rem;line-height:1.2}
  .tag{font-size:.68rem;padding:.22rem .5rem}
  .pill{font-size:.76rem;padding:.4rem .65rem}
  .sim.is-try .sim-stage{position:relative;top:0}
  .sim.is-try .sim-step,.sim.is-try .sim-step.on{display:none}
  .sim-video{margin-top:2.5rem}
}
@media (max-width:900px) and (max-height:700px){.sim-label{display:none}.sim-cap p{-webkit-line-clamp:2}}
@media (prefers-reduced-motion:reduce){
  .sim *,.sim *::before,.sim *::after{transition:none!important;animation:none!important}
}