:root{--background:#f7f8fa;--foreground:#111827;--muted:#667085;--card:#ffffff;--border:#e5e7eb;--brand:#171717;--success:#16803c;--error:#b42318;--warning:#b54708}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.nav{height:72px;justify-content:space-between}.logo,.nav{display:flex;align-items:center}.logo img{height:28px;width:auto}.btn{border:0;border-radius:12px;padding:13px 18px;cursor:pointer;font-weight:700;display:inline-block;text-align:center;transition:opacity .15s}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-dark{background:#111827;color:white}.btn-light{background:white;border:1px solid var(--border)}.btn-danger{background:#b42318;color:white}.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px}.card h2{font-size:18px;margin:0 0 12px}.hero{padding:90px 0 70px;text-align:center}.hero h1{font-size:clamp(44px,8vw,76px);line-height:.98;letter-spacing:-.06em;max-width:800px;margin:0 auto 22px}.hero p{max-width:650px;margin:0 auto 30px;color:var(--muted);font-size:20px;line-height:1.5}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.profile{max-width:620px;margin:50px auto}.avatar{width:88px;height:88px;border-radius:50%;background:#e5e7eb;display:grid;place-items:center;font-size:30px;font-weight:800;margin-bottom:18px;overflow:hidden}.social-links{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.social-link{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:1px solid var(--border);font-size:13px;font-weight:700;transition:background .15s}.social-link:hover{background:#f3f4f6}.amounts{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:10px;gap:10px;margin:18px 0}.amount{border:1px solid var(--border);background:white;border-radius:12px;padding:13px;cursor:pointer;font-weight:700;transition:all .15s}.amount.active,.amount:hover{border-color:#111827}.amount.active{background:#111827;color:white}.input{width:100%;border:1px solid var(--border);border-radius:12px;padding:13px;margin-top:8px;background:white;transition:border-color .15s}.input:focus{outline:none;border-color:#111827}.label{display:block;font-size:14px;font-weight:700;margin-top:16px}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23667085' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.muted{color:var(--muted)}.dashboard-layout{display:flex;min-height:calc(100vh - 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