@import "https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Manrope:wght@400;500;600;700;800&display=swap";@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap";:root{color:#13241d;--muted:#65736c;--paper:#fffefa;--line:#dfe6e1;--accent:#146c53;--accent-dark:#0b503c;--headline:"DM Serif Display", Georgia, serif;--green:#176b52;background:#edf5fb;font-family:Manrope,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button{font:inherit}.background{z-index:-2;background-color:#dfeef8;background-position:50%;background-repeat:no-repeat;background-size:cover;position:fixed;inset:0;overflow:hidden}.background:before{content:"";background:linear-gradient(135deg,#0c1c2575,#0a23273b);position:absolute;inset:0}.layout{place-items:center;min-height:100vh;padding:40px 20px;display:grid}.portal{background:var(--paper);border:1px solid #ffffff94;border-radius:16px;width:min(100%,486px);animation:.5s ease-out both rise;overflow:hidden;box-shadow:0 30px 90px #04140d57}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.brand{border-bottom:1px solid var(--line);background:#f7f6f1;align-items:center;gap:15px;padding:25px 30px 23px;display:flex}.brand-logo{color:#fff;background:var(--accent);border-radius:11px;flex:0 0 56px;place-items:center;width:56px;height:56px;font:800 1.1rem Manrope,sans-serif;display:grid;position:relative;overflow:hidden}.brand-logo img{object-fit:contain;z-index:1;background:#fff;width:100%;height:100%;position:absolute;inset:0}.eyebrow{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin:0 0 5px;font:800 .64rem Manrope,sans-serif}h2{letter-spacing:-.02em;margin:0;font-size:clamp(1.12rem,4vw,1.42rem);line-height:1.15}.content{text-align:center;padding:31px 30px 27px}h1{letter-spacing:-.035em;max-width:none;margin:0 0 12px;font:800 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.lock-icon rect{fill:#fff;stroke:#fff}.access-button .lock-icon path{stroke:#fff;stroke-width:2.2px}.notice{color:#9a3d2b;min-height:20px;margin:12px 0 0;font:500 .74rem Manrope,sans-serif}.dialog-backdrop{z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#091c15b3;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.dialog{background:var(--paper);border-radius:13px;width:min(100%,400px);padding:31px;animation:.2s ease-out both rise;position:relative;box-shadow:0 30px 90px #0000004d}.dialog-brand{justify-content:center;margin:2px 0 18px;display:flex}.dialog-logo{background:var(--accent);border:0;border-radius:12px;flex:0 0 58px;width:58px;height:58px}.dialog-logo img{object-fit:contain;z-index:1;background:#fff;width:100%;height:100%;position:absolute;inset:0}.dialog-logo span{z-index:2;font-size:1.05rem;position:relative}.dialog h2{text-align:center;font:400 1.65rem var(--headline);margin:0 0 8px}.dialog-intro{text-align:center;max-width:260px;color:var(--muted);margin:0 auto 24px;font:500 .8rem/1.55 Manrope,sans-serif}.close-button{width:31px;height:31px;color:var(--muted);background:0 0;padding:0;font:400 1.5rem/1 Manrope,sans-serif;position:absolute;top:13px;right:13px}.close-button:hover{color:#13241d;box-shadow:none;background:#edf1ec;transform:none}footer{color:#587296;border-top:1px solid var(--line);justify-content:center;align-items:center;gap:8px;padding:25px 20px 30px;font:500 .78rem/1.5 Manrope,sans-serif;display:flex}footer p{color:#587296;margin:0;font-weight:600}footer a{color:#587296}.page{width:min(100% - 36px,840px);min-height:100vh;margin:0 auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:25px 0;display:flex}.site-name{color:#1d2b32;letter-spacing:-.03em;font-size:1rem;font-weight:700;text-decoration:none}.header-label,.article-meta{color:var(--muted);font-size:.78rem}.article{max-width:720px;margin:0 auto;padding:76px 0 54px}h1,h2,p{margin-top:0}.article h1,.challenge-panel h1{letter-spacing:-.035em;margin-bottom:20px;font:500 clamp(2.25rem,7vw,3.55rem)/1.08 Newsreader,Georgia,serif}.standfirst{color:#48585d;max-width:680px;margin-bottom:24px;font-size:1.12rem;line-height:1.7}.article-meta{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:10px;padding:16px 0 32px;display:flex}.article h2{letter-spacing:-.02em;margin:32px 0 10px;font-size:1.22rem;line-height:1.4}.article p,.article li{color:#435258;font-size:.98rem;line-height:1.78}.article ul{padding-left:22px}.article li{margin:8px 0;padding-left:4px}.takeaway{border-left:4px solid var(--green);background:#e9f2ed;border-radius:3px;margin:35px 0 24px;padding:22px 24px 8px}.takeaway h2{margin-top:0}.disclaimer{color:var(--muted)!important;font-size:.82rem!important}.challenge-panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;width:min(100%,540px);margin:86px auto 70px;padding:38px;box-shadow:0 18px 50px #18302814}.challenge-panel h1{margin-bottom:12px;font-size:clamp(1.9rem,6vw,2.55rem)}.challenge-copy{color:#526268;margin-bottom:23px;font-size:.94rem;line-height:1.65}.challenge{border-top:1px solid var(--line);padding-top:17px}.challenge-instruction{color:#42534c;margin-bottom:14px;font-size:.9rem}.timer{color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:16px;font-size:.82rem}.tile-grid{grid-template-columns:repeat(3,1fr);gap:10px;max-width:360px;margin:0 auto;display:grid}.tile{aspect-ratio:1;color:#1d2b32;cursor:pointer;background:#f5f8f6;border:1px solid #cdd9d2;border-radius:12px;place-items:center;width:100%;padding:0;font-size:0;transition:background .15s,border-color .15s,transform .15s,box-shadow 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21px}}.not-found-page{flex-direction:column;display:flex}.not-found{text-align:left;max-width:620px;margin:0 auto;padding:110px 0 80px}.not-found h1{letter-spacing:-.03em;color:#1d2b32;margin:0 0 18px;font:500 clamp(2rem,6vw,3rem)/1.1 Newsreader,Georgia,serif}.not-found-copy{color:#435258;margin:0 0 28px;font-size:1.02rem;line-height:1.75}.not-found-link{color:#fff;letter-spacing:-.01em;background:#0d223d;border-radius:7px;padding:12px 20px;font:800 .9rem Manrope,sans-serif;text-decoration:none;transition:background .2s,transform .2s;display:inline-block}.not-found-link:hover{background:#173657;transform:translateY(-1px)}.loading-gate{text-align:left}.loading-gate h1{margin-bottom:14px}.loading-gate .challenge-copy strong{color:#13241d;font-weight:800}.progress-track{background:#e5ece7;border-radius:999px;width:100%;height:8px;margin:18px 0 10px;position:relative;overflow:hidden}.progress-bar{background:linear-gradient(90deg,#176b52,#2fa87e);border-radius:999px;width:0%;height:100%;transition:width .35s ease-out}.progress-label{color:var(--muted);letter-spacing:.02em;font-variant-numeric:tabular-nums;margin:0 0 22px;font:600 .78rem Manrope,sans-serif}.loading-spinner{gap:6px;margin-bottom:22px;display:inline-flex}.loading-spinner span{background:var(--green);opacity:.35;border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite both spinner-pulse}.loading-spinner span:nth-child(2){animation-delay:.15s}.loading-spinner span:nth-child(3){animation-delay:.3s}@keyframes spinner-pulse{0%,80%,to{opacity:.35;transform:scale(.85)}40%{opacity:1;transform:scale(1)}}.loading-tip{color:#3e5249;border-left:3px solid var(--green);background:#f1f6f3;border-radius:4px;margin:0;padding:14px 16px;font:500 .85rem/1.55 Manrope,sans-serif}.loading-tip strong{color:var(--accent);margin-right:4px;font-weight:800}@media 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