.support-band{--sb-bg: #221c15;--sb-ink: #f3ecdd;--sb-ink-soft: #d9cfbc;--sb-muted: #a89a82;--sb-kicker: #b08d57;margin:clamp(34px,6vw,64px) 0 0;padding:clamp(40px,6.5vw,76px) 20px;background:var(--sb-bg);color:var(--sb-ink)}.support-band-inner{max-width:640px;margin:0 auto;text-align:center}.support-kicker{margin:0 0 12px;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--sb-kicker)}.support-heading{margin:0 0 10px;font-family:var(--font-serif, Georgia, serif);font-size:clamp(1.7rem,3.6vw,2.4rem);line-height:1.12;color:var(--sb-ink)}.support-sub{margin:0 auto;max-width:46ch;font-size:1rem;line-height:1.55;color:var(--sb-ink-soft)}.support-band .bf-support{--paper: #2c251d;--paper-soft: #322a21;--ink: #f3ecdd;--ink-soft: #d9cfbc;--muted: #a89a82;--rule-strong: rgba(243, 236, 221, .22);--text-inverse: #221c15}.support-band .bf-seg:hover{color:var(--sb-ink)}.support-band .bf-cap.success,.support-band .bf-cap.error{color:#d9b27c}.bf-support{width:100%;max-width:460px;margin:18px auto 0;display:flex;flex-direction:column;align-items:center;gap:16px}.bf-toggle{position:relative;display:inline-flex;padding:4px;background:var(--paper);border:1px solid var(--rule-strong);border-radius:var(--radius-pill, 999px)}.bf-toggle-glow{position:absolute;top:4px;bottom:4px;left:0;width:0;border-radius:var(--radius-pill, 999px);background:var(--accent);box-shadow:0 7px 18px color-mix(in srgb,var(--accent) 36%,transparent);transition:transform .34s cubic-bezier(.34,1.36,.64,1),width .34s cubic-bezier(.34,1.36,.64,1);z-index:0}.bf-seg{position:relative;z-index:1;border:0;background:transparent;padding:9px 15px;font-family:var(--font-sans, Inter, sans-serif);font-size:.8rem;font-weight:800;letter-spacing:.01em;color:var(--ink-soft);border-radius:var(--radius-pill, 999px);cursor:pointer;white-space:nowrap;transition:color .22s ease}.bf-seg:hover{color:var(--ink)}.bf-seg.is-active{color:#fff}.bf-stage{width:100%;perspective:1500px}.bf-stage-inner{transform-origin:center top;transition:transform .22s cubic-bezier(.4,0,.2,1)}.bf-support.is-flipping .bf-stage-inner{transform:rotateX(-90deg)}.bf-panel{display:none}.bf-panel.is-active{display:flex;flex-direction:column;align-items:center}.bf-form{display:flex;gap:10px;width:100%;max-width:430px}.bf-form input{flex:1;min-width:0;min-height:46px;padding:0 17px;font:inherit;font-family:var(--font-sans, Inter, sans-serif);font-size:.95rem;color:var(--ink);background:var(--paper-soft);border:1px solid var(--rule-strong);border-radius:var(--radius-pill, 999px);box-shadow:inset 0 1px 2px #11100e0f;outline:none;transition:border-color .17s ease,box-shadow .17s ease}.bf-form input::placeholder{color:var(--muted);opacity:1}.bf-form input:focus{border-color:var(--accent);box-shadow:inset 0 1px 2px #11100e0f,0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.bf-form button{min-height:46px;padding:0 22px;font:inherit;font-family:var(--font-sans, Inter, sans-serif);font-size:.92rem;font-weight:800;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-pill, 999px);cursor:pointer;white-space:nowrap;box-shadow:0 10px 24px color-mix(in srgb,var(--accent) 24%,transparent),inset 0 1px #ffffff1f;transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}.bf-form button:hover{transform:translateY(-1px);filter:brightness(1.1);box-shadow:0 14px 30px color-mix(in srgb,var(--accent) 30%,transparent),inset 0 1px #ffffff24}.bf-form.is-busy button{opacity:.6;cursor:progress}.bf-cap{margin:12px 0 0;font-family:var(--font-sans, Inter, sans-serif);font-size:.78rem;line-height:1.5;color:var(--muted);text-align:center;max-width:380px}.bf-cap.success,.bf-cap.error{color:var(--accent);font-weight:700}body[data-theme=night] .bf-cap.success,body[data-theme=night] .bf-cap.error{color:color-mix(in srgb,var(--c-brass, #b08d57) 82%,var(--text, #f3ecdd))}.bf-oneoff{display:grid;gap:9px;width:100%;max-width:430px;margin:0}.bf-oneoff-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}.oneoff-amounts{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center}.oneoff-chip{min-height:42px;padding:0 15px;font:inherit;font-weight:800;color:var(--ink);background:var(--paper);border:1px solid var(--rule-strong);border-radius:var(--radius-pill, 999px);cursor:pointer;transition:color .15s ease,background .15s ease,border-color .15s ease}.oneoff-chip:hover{border-color:var(--accent)}.oneoff-chip.is-active{color:var(--text-inverse, #fff);background:var(--ink);border-color:var(--ink)}.oneoff-custom{display:inline-flex;align-items:center;gap:1px;padding-left:11px;background:var(--paper);border:1px solid var(--rule-strong);border-radius:var(--radius-pill, 999px)}.oneoff-custom:focus-within{border-color:var(--accent)}.oneoff-cur{color:var(--muted);font-weight:700}.oneoff-custom input{width:66px;min-height:40px;padding:0 10px 0 2px;border:0;background:transparent;font:inherit;font-weight:700;color:var(--ink);outline:none;-moz-appearance:textfield;appearance:textfield}.oneoff-custom input::placeholder{color:var(--muted);font-weight:600}.oneoff-custom input::-webkit-outer-spin-button,.oneoff-custom input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.oneoff-go{min-height:44px;padding:0 22px;font:inherit;font-weight:800;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-pill, 999px);cursor:pointer;box-shadow:0 10px 24px color-mix(in srgb,var(--accent) 24%,transparent),inset 0 1px #ffffff1f;transition:transform .16s ease,filter .16s ease}.oneoff-go:hover{transform:translateY(-1px);filter:brightness(1.06)}.oneoff-go:disabled{opacity:.6;cursor:progress}@media(prefers-reduced-motion:reduce){.bf-stage-inner,.bf-toggle-glow,.bf-seg{transition:none}}@media(max-width:560px){.bf-form{flex-direction:column}.bf-toggle{width:100%}.bf-seg{flex:1;padding-inline:8px}.bf-oneoff-row{flex-direction:column;align-items:stretch}.oneoff-go{width:100%}}