:root{--ink:#111827;--mut:#4b5563;--bg:#fff;--soft:#f5f6fb;--acc:#4f46e5;--acc2:#eef2ff;--line:#e5e7eb}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
section{padding:40px 20px}
.top{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px}
.logo{display:flex;gap:8px;align-items:center;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
h1{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.15;margin:.2em 0 .4em}
h2{font-size:1.5rem;margin:0 0 .8em}h3{margin:.2em 0 .4em;font-size:1.1rem}
.eyebrow{color:var(--acc);font-weight:600;margin:0}.lede{font-size:1.1rem;color:var(--mut);max-width:44em}
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:10px;padding:12px 20px;font:600 1rem system-ui,sans-serif;text-decoration:none;cursor:pointer}
.btn.small{padding:8px 14px;font-size:.9rem}.btn.ghost{background:#fff;color:var(--acc);border:1px solid var(--acc)}
.btn:disabled{opacity:.6;cursor:wait}
.demo{margin-top:28px;background:#0f172a;color:#e2e8f0;border-radius:14px;padding:16px;font-size:.95rem;display:grid;gap:12px}
.cue{display:grid;gap:2px}.cue .t{font:12px ui-monospace,monospace;color:#94a3b8}.cue .tr{color:#a5b4fc}
.grid3{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:720px){.grid3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:18px}
.price .amt{font-size:1.8rem;font-weight:700;margin:.1em 0}.price .amt span{font-size:1rem;color:var(--mut)}
.price.hl{background:var(--acc2);border-color:#c7d2fe}
.note{color:var(--mut);font-size:.9rem}
.steps{padding-left:1.2em}.steps li{margin:.4em 0}
.join{background:var(--soft);border-radius:18px}
form label{display:block;font-weight:600;margin:14px 0 6px}
input[type=email],input[type=text]{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff}
fieldset{border:0;padding:0;margin:14px 0 0}legend{font-weight:600;margin-bottom:4px}
label.chk{display:inline-flex;gap:6px;align-items:center;font-weight:400;margin:4px 14px 4px 0}
label.consent{display:flex;align-items:flex-start;margin-top:16px}label.consent input{margin-top:5px}
.req,.opt{font-weight:400;color:var(--mut);font-size:.9rem}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
#msg,#delmsg{min-height:1.4em;font-weight:600}.ok{color:#047857}.warn{color:#b45309}.err{color:#b91c1c}
.row{display:flex;gap:8px}.row input{flex:1}
details{border-bottom:1px solid var(--line);padding:10px 0}summary{cursor:pointer;font-weight:600}
.privacy p{max-width:48em}.foot{color:var(--mut);font-size:.85rem;padding:24px 20px 40px}