:root{color-scheme:dark;--bg:#10191d;--mint:#6ae4cb;--ink:#f3f8f6;--muted:#abc3be}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#1b3c36,transparent 55%),var(--bg);color:var(--ink);font:16px/1.55 system-ui,sans-serif}header,footer{max-width:900px;padding:22px;margin:auto;display:flex;justify-content:space-between;gap:16px}a{color:var(--mint)}.brand{font-size:25px;font-weight:800;color:var(--ink);text-decoration:none}main{max-width:760px;margin:38px auto 65px;padding:0 20px}h1{font-size:clamp(32px,7vw,52px);line-height:1.12;letter-spacing:-.035em}h2{font-size:25px;line-height:1.2}.muted,small{color:var(--muted)}.panel,.plan{padding:25px;background:linear-gradient(145deg,#203337,#152226);border:1px solid #3f6258;border-radius:26px;box-shadow:0 18px 50px #0003;margin:18px 0}.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px}.plan{margin:0;display:flex;flex-direction:column}.price{font-size:36px;font-weight:750;margin:20px 0}.price small{font-size:15px;font-weight:400}.plan .button{margin-top:auto}.button,button{font:inherit;font-weight:650;border:1px solid #8cecd5;border-radius:17px;background:linear-gradient(#91edda,#54cdb3);color:#092c22;padding:16px 21px;min-height:52px;box-shadow:0 5px 0 #247f6b;cursor:pointer;text-align:center;text-decoration:none;display:inline-block}.secondary{background:#203438;color:var(--ink);border-color:#4f7169;box-shadow:0 4px 0 #0b1516}.actions{display:grid;gap:14px;margin:22px 0}.actions>*{width:100%}button:disabled{opacity:.5;cursor:wait;box-shadow:none}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1}label{display:block;margin:18px 0}label input[type=checkbox]{width:20px;height:20px;vertical-align:middle;margin-right:8px}details{margin:20px 0;border-top:1px solid #38554d;padding-top:15px}summary{cursor:pointer;color:var(--mint)}.notice{background:#1c3d33;padding:17px;border-radius:16px}.error{color:#ffbdbd}#message{min-height:25px}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav button{flex:1;font-size:14px;padding:12px}.device{padding:20px;border:1px solid #41665a;border-radius:18px;margin:15px 0;overflow-wrap:anywhere}select,input:not([type=checkbox]){width:100%;padding:15px;border:1px solid #5e8176;border-radius:14px;background:#122126;color:var(--ink);font:inherit}footer{font-size:12px;flex-wrap:wrap}.hero{text-align:center;padding:25px 0}.hero .button{min-width:260px}h3{margin:0 0 12px}.back{border:0;background:none;color:var(--mint);box-shadow:none;padding:8px 0;min-height:44px}.badge{font-size:13px;color:var(--mint)}[hidden]{display:none!important}:focus-visible{outline:3px solid #b7ffed;outline-offset:5px}@media(max-width:520px){main{margin-top:12px;padding:0 16px}.plans{grid-template-columns:1fr}.panel,.plan{padding:21px}header{padding:18px}.hero{text-align:left}.hero .button{width:100%;min-width:0}.price{font-size:32px}}