:root{color-scheme:light;--green:#144a38;--muted:#527566;--cream:#faf7ed;--line:#dce3db}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--green);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
header,main,footer{max-width:900px;margin:auto;padding:28px}
header{display:flex;justify-content:space-between;gap:24px;align-items:center;border-bottom:1px solid var(--line);padding-top:30px;padding-bottom:26px}
.brand{font-size:23px;font-weight:850;font-style:italic;letter-spacing:-.06em;text-decoration:none;line-height:1.15;white-space:nowrap}
.brand span{display:block;font-size:12px;font-style:normal;letter-spacing:.02em;font-weight:450;margin-top:7px}
nav{display:flex;gap:24px;font-size:14px}
a{color:var(--green);text-underline-offset:4px}
h1,h2,h3{line-height:1.12;letter-spacing:-.04em}
h1{font-size:clamp(42px,8.5vw,76px);margin:16px 0 28px;font-weight:750}
h2{margin-top:44px;font-size:28px;font-weight:720}
h3{font-size:21px;margin:0 0 8px;letter-spacing:-.025em}
p{margin:18px 0}
.hero{padding:65px 0 60px}
.hero h1{font-size:clamp(60px,11vw,104px);letter-spacing:-.065em;line-height:1.01}
.intro{font-size:21px;line-height:1.6;max-width:610px;color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700}
.card{background:#fff;border-radius:28px;padding:32px;margin:32px 0}
.card h2{margin:10px 0 18px}
.card .eyebrow{margin-top:0}
.button{display:inline-block;border:0;border-radius:100px;padding:14px 24px;background:var(--green);color:white;text-decoration:none;font:inherit;font-weight:650;cursor:pointer;text-align:center}
.secondary{background:#e9eee8;color:var(--green)}
.text-link{font-weight:650;font-size:15px}
.code{font:700 clamp(22px,6vw,34px)/1.5 ui-monospace,monospace;letter-spacing:.04em;overflow-wrap:anywhere;user-select:all}
.muted,footer{color:var(--muted);font-size:14px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin:28px 0}
.challenge-types{padding:10px 0 45px}
.challenge-types h2{max-width:500px;margin:12px 0 28px;font-size:34px}
.type-row{display:flex;align-items:center;gap:24px;border-top:1px solid var(--line);padding:26px 0}
.type-row p{font-size:15px;color:var(--muted);margin:0}
.type-row>div{flex:1}
.number{font-size:12px;color:var(--muted);font-weight:700;align-self:flex-start;padding-top:5px}
.pill{font-size:12px;white-space:nowrap;border:1px solid var(--line);border-radius:99px;padding:5px 12px}
.invitation-card{background:var(--green);color:#fff}
.invitation-card .eyebrow,.invitation-card .muted{color:#dce8df}
.privacy-note{padding:25px 0 60px;max-width:650px}
.privacy-note h2{margin-top:20px}
.privacy-note p{color:var(--muted)}
.policy-summary{background:#fff;border-radius:24px;padding:24px 28px;margin:30px 0}
.policy-summary h2{font-size:22px;margin:0 0 12px}
.policy-summary ul{padding-left:21px;margin:0}
.policy-summary li{font-size:16px}
.policy-updated{font-size:14px;color:var(--muted)}
.policy-main{max-width:800px}
li{margin:10px 0}
footer{border-top:1px solid var(--line);padding-bottom:45px}
footer p{margin:5px 0}
.footer-brand{font-size:13px;letter-spacing:.15em;font-weight:800;color:var(--green)}
.footer-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:18px}
a:focus-visible,button:focus-visible{outline:3px solid #b06e22;outline-offset:5px}
.draft{padding:18px;border:2px solid #bf8837;border-radius:16px;background:#fff8de}
@media(max-width:560px){header,main,footer{padding-left:24px;padding-right:24px}header{gap:12px}.brand{font-size:21px}nav{gap:16px;font-size:13px}.hero{padding-top:44px;padding-bottom:38px}.intro{font-size:18px}.type-row{gap:15px;align-items:flex-start}.pill{display:none}.card{padding:26px}.challenge-types h2{font-size:30px}.policy-summary{padding:22px}.actions{gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Public-launch download and Android interest panel. */
.download-area{margin:25px 0 16px}
.app-store-link{display:inline-block;line-height:0;border-radius:12px}
.app-store-link img{display:block;width:200px;max-width:100%;height:auto}
.availability{font-size:14px;color:var(--muted);line-height:1.5;margin:9px 0 0}
.android-interest{background:#e5ebdf;border-radius:21px;padding:18px 22px;max-width:610px;margin:16px 0 0}
.android-interest h2{font-size:21px;letter-spacing:-.025em;line-height:1.3;margin:0 0 2px}
.android-interest p{font-size:16px;line-height:1.5;margin:0 0 4px}
.android-interest a{font-size:16px;line-height:1.5;font-weight:700}
@media(max-width:560px){.android-interest{padding:17px 18px;border-radius:20px}.hero{padding-bottom:34px}}