:root{color-scheme:light;--ink:#152c2b;--muted:#5c6d69;--paper:#f6f7f2;--line:#d6ded5;--green:#135747;--green-soft:#e0f0e5;--amber:#87521d;--amber-soft:#fff0d9;--white:#fff;--radius:20px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.6}a{color:var(--green);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #267e72;outline-offset:4px}.skip{position:absolute;top:8px;left:16px;transform:translateY(-160%);background:white;padding:8px 16px;z-index:5}.skip:focus{transform:none}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.topbar{border-bottom:1px solid var(--line)}.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0}.brand{font-size:21px;font-weight:760;text-decoration:none;letter-spacing:-.7px}.brand span{color:#65966b}.back{font-size:14px}.hero{padding:56px 0 28px;max-width:840px}.eyebrow{font-size:12px;font-weight:730;letter-spacing:1.3px;text-transform:uppercase;color:var(--green);margin:0 0 18px}.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #abc3af;border-radius:100px;font-size:12px;letter-spacing:.2px;padding:5px 12px;margin-bottom:20px;background:#edf3e9;color:var(--green)}h1{font-size:clamp(32px,4.5vw,52px);letter-spacing:-1.8px;line-height:1.12;margin:0 0 20px;max-width:870px;font-weight:740}h2{font-size:23px;letter-spacing:-.6px;line-height:1.3;margin:0 0 12px}h3{margin:0 0 10px;font-size:18px}.lead{font-size:18px;color:var(--muted);max-width:730px;margin:0 0 20px}.controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0 28px}.controls-label{font-size:14px;font-weight:650;margin-right:4px}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--green);border-radius:9px;background:var(--green);color:#fff;padding:10px 17px;font-weight:650;line-height:1.4;text-decoration:none;min-height:44px}.button:hover{background:#0b4336}.button.secondary{background:transparent;color:var(--ink);border-color:#a9b9ad}.button.secondary:hover{background:#e9efe5}.button[aria-pressed=true]{box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--green)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h2{font-size:18px;margin:0}.status-pill{font-size:12px;font-weight:700;padding:4px 9px;border-radius:100px;white-space:nowrap}.status-pill.before{background:var(--amber-soft);color:var(--amber)}.status-pill.after{background:var(--green-soft);color:var(--green)}.browserbar{display:flex;align-items:center;gap:8px;background:#f4f5f1;border-bottom:1px solid #e2e7e0;padding:12px 15px;color:#697b72;font-size:12px}.dots{display:flex;gap:4px}.dots i{width:6px;height:6px;background:#c1cdc2;border-radius:50%}.address{margin-left:7px;overflow-wrap:anywhere}.app-preview{background:#fff;padding:22px;min-height:300px}.app-preview.empty{padding:0}.mini-nav{font-size:12px;color:#6e8276;margin-bottom:22px;display:flex;justify-content:space-between;gap:10px}.mini-nav strong{color:#305348}.app-preview h3{font-size:22px;line-height:1.3;letter-spacing:-.5px}.tiny{font-size:12px;color:var(--muted);margin:0}.mini-notice{background:#f0f7ed;color:#2b6545;border-left:3px solid #7daa69;font-size:12px;padding:9px 11px;margin:0 0 18px}.class-row{display:flex;justify-content:space-between;gap:10px;border:1px solid #dfe6dc;border-radius:10px;margin-top:15px;padding:13px;font-size:13px}.class-row span{display:block;font-size:11px;color:#637467}.class-time{color:var(--green);font-weight:700;align-self:center}.panel-foot{padding:16px 20px;border-top:1px solid var(--line);background:#fcfdf9;min-height:76px;font-size:13px}.panel-foot p{margin:0}.check-line{display:flex;gap:8px;align-items:flex-start;color:var(--green);font-weight:650}.check-line.error{color:var(--amber)}.explain{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:36px 0;margin-top:12px}.explain p{font-size:15px;margin:0;color:var(--muted)}.success-criteria{border-top:1px solid var(--line);padding-top:25px;margin-bottom:42px;font-size:15px;color:var(--muted)}.success-criteria strong{color:var(--ink)}.other-demo{padding:24px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:14px}.footer{padding:30px 0 38px;font-size:12px;color:var(--muted)}.demo-form{display:grid;gap:15px;margin-top:18px}.field label{display:block;font-size:12px;font-weight:650;margin-bottom:6px}.field input{width:100%;padding:10px 12px;border:1px solid #bbc8bd;border-radius:7px;background:#fff;color:var(--ink);font-size:14px;min-height:43px}.form-message{font-size:13px;min-height:25px;margin:12px 0 0}.form-message.success{color:var(--green)}.form-message.error{color:var(--amber)}.stored-record{font-size:12px;line-height:1.5;padding-top:6px;color:var(--muted);overflow-wrap:anywhere}.storage-warning{font-size:14px;background:var(--amber-soft);border:1px solid #e3c7a1;padding:12px 15px;border-radius:9px;margin-bottom:20px}.demo-link-card{padding:28px;display:flex;flex-direction:column;align-items:flex-start;gap:16px}.demo-number{font-size:12px;font-weight:700;color:var(--green);letter-spacing:1px}.demo-link-card p{color:var(--muted);margin:0}.demo-link-card h2{margin:0}.demo-link-card .button{margin-top:auto}.card-grid{margin:10px 0 38px}.demo-note{max-width:750px;color:var(--muted);font-size:14px}.verification{font-size:13px;color:var(--muted);margin:14px 0 0}.app-preview.form-preview{min-height:380px}.form-preview .mini-nav{margin-bottom:18px}.form-preview h3{font-size:20px}.hero.compact{padding-top:42px}
.panel{display:flex;flex-direction:column}.app-preview{flex:1}
@media(max-width:720px){.wrap{width:calc(100% - 32px)}.topbar .wrap{padding:18px 0}.hero{padding-top:36px}h1{letter-spacing:-1px}.lead{font-size:16px}.grid,.explain{grid-template-columns:1fr}.grid{gap:16px}.explain{gap:24px;padding:28px 0}.panel-head{padding:15px 16px}.app-preview{padding:18px;min-height:270px}.other-demo{align-items:flex-start;flex-direction:column}.controls-label{width:100%}.card-grid{gap:18px}.demo-link-card{padding:24px}.footer{padding-top:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}