* { box-sizing: border-box; }
body { font-family: Helvetica, Arial, sans-serif; margin: 0; background: #0f141b; color: #eef2f6; }
header { padding: 18px 16px 10px; background: linear-gradient(135deg,#123,#0a6b2d); }
header h1 { margin: 0; font-size: 24px; }
header p { margin: 4px 0 0; opacity: .85; }
main { padding: 14px 16px 30px; max-width: 560px; margin: 0 auto; }
.demo { background: #3a2b00; color: #ffd97a; border: 1px solid #8a6d1a; padding: 8px 10px; border-radius: 8px; font-size: 13px; }
.grid { display: grid; gap: 10px; }
.card { display: block; background: #1b2430; border: 1px solid #2c3a4b; border-radius: 10px; padding: 14px; color: inherit; text-decoration: none; }
.card span { display: block; opacity: .7; font-size: 13px; margin-top: 3px; }
.paybox { background: #1b2430; border: 1px solid #2c3a4b; border-radius: 10px; padding: 14px; margin-bottom: 14px; }
.paybox input { width: 100%; padding: 10px; margin: 6px 0 10px; font-size: 18px; border-radius: 8px; border: 1px solid #2c3a4b; background: #0f141b; color: #fff; }
button, .wa { background: #0a6b2d; color: #fff; border: 0; border-radius: 8px; padding: 11px 16px; font-size: 15px; cursor: pointer; text-decoration: none; display: inline-block; margin: 4px 6px 4px 0; }
button:hover { filter: brightness(1.15); }
section { background: #141b24; border: 1px solid #223041; border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; }
section h3 { margin: 0 0 8px; font-size: 15px; }
.row { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid #223041; }
.row.small { font-size: 13px; opacity: .85; }
.optin input { width: 100%; padding: 9px; margin: 4px 0; border-radius: 8px; border: 1px solid #2c3a4b; background: #0f141b; color: #fff; }
.consent { display: block; font-size: 12.5px; opacity: .9; margin: 8px 0; }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: #141b24; border: 1px solid #2c3a4b; border-radius: 12px; padding: 18px; max-width: 420px; width: 100%; }
.modal table { width: 100%; border-collapse: collapse; margin: 10px 0; }
.modal td { padding: 6px 4px; border-bottom: 1px solid #223041; }
footer { padding: 16px; text-align: center; font-size: 12.5px; opacity: .65; }
footer a { color: #7fd49a; }