.buy-page{padding-block:clamp(28px,6vw,56px) clamp(40px,7vw,72px);--ct-title: 30px;--ct-lead: 16px;--ct-cta: 16px}@media(min-width:760px){.buy-page{--ct-title: 40px;--ct-lead: 17px;--ct-cta: 17px}}.buy-inner{max-width:560px}.buy-back{display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;padding:8px 14px 8px 12px;font-size:14px;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);text-decoration:none;transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast),transform var(--t-fast)}.buy-back:hover{color:var(--fg-strong);border-color:var(--border-2);background:var(--surface-2)}.buy-back-arrow{font-size:16px;line-height:1}.grant-panel{display:flex;align-items:center;gap:14px;padding:18px 20px;background:var(--grad-soft);border:1px solid rgba(var(--accent-rgb),.35);border-radius:var(--r-lg);box-shadow:var(--glow-soft)}.grant-emoji{font-size:26px;line-height:1}.grant-text{font-size:15px;font-weight:600;color:var(--fg-strong);line-height:1.45}.buy-head{text-align:center}.buy-head .eyebrow{justify-content:center}.buy-title{margin:0 0 12px;font-size:var(--ct-title);font-weight:800;line-height:1.12;letter-spacing:-.02em;text-wrap:balance}.buy-sub{max-width:460px;margin:0 auto;font-size:var(--ct-lead);line-height:1.5;text-wrap:pretty}.buy-card{margin-top:26px;padding:clamp(20px,4vw,32px)}.buy-loading{min-height:120px;display:grid;place-items:center}.buy-card-h{font-weight:700;font-size:16px;color:var(--fg-strong);margin:0 0 16px}.tiers{display:flex;flex-direction:column;gap:10px}.tier{position:relative;display:grid;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:12px;min-height:78px;padding:14px 16px;background:#ffffff0b;border:1px solid var(--border);border-radius:var(--r-md);text-align:left;cursor:pointer;font:inherit;color:var(--fg);-webkit-appearance:none;appearance:none;transition:transform var(--t-fast),border-color var(--t-fast),background var(--t-fast),box-shadow var(--t-fast)}.tier:hover{transform:none;border-color:var(--border-2);background:var(--surface-2)}.tier.is-pop{border-color:rgba(var(--accent-rgb),.55);background:linear-gradient(135deg,rgba(var(--accent-rgb),.12),rgba(var(--cyan-rgb),.05));box-shadow:none}.tier.active{border-color:var(--accent);box-shadow:0 0 0 1px rgba(var(--accent-rgb),.45),var(--glow-soft);transform:none}.t-radio{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.28);display:block;box-shadow:inset 0 0 0 4px transparent}.tier.active .t-radio{border-color:var(--accent);background:var(--accent);box-shadow:inset 0 0 0 4px var(--bg)}.t-meta{min-width:0;display:flex;flex-direction:column;gap:5px}.t-name-row{min-width:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.t-pop{background:rgba(var(--accent-rgb),.18);color:#c9f9d9;border:1px solid rgba(var(--accent-rgb),.25);font-size:11px;font-weight:700;letter-spacing:.02em;padding:3px 12px;border-radius:var(--r-pill);white-space:nowrap}.t-disc{display:none}.t-name{min-width:0;font-size:15px;font-weight:750;color:var(--fg-strong);white-space:normal}.t-price{display:inline-flex;align-items:baseline;gap:3px;font-size:24px;font-weight:800;letter-spacing:-.02em;color:var(--fg-strong);margin-top:0;white-space:nowrap}.t-cur{font-size:14px;font-weight:700;color:var(--muted)}.t-off{color:var(--ok);font-size:13px;line-height:1.25}.promo-row{margin-top:22px}.promo-label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px}.promo-controls{display:flex;gap:8px}.promo-controls .input{flex:1}.promo-apply{width:auto;min-height:48px;padding:0 20px;white-space:nowrap}.promo-msg{font-size:13px;margin-top:8px;min-height:1em;line-height:1.4}.promo-msg.is-ok{color:#6ee7b7}.promo-msg.is-err{color:#fca5a5}.promo-msg.is-muted{color:var(--muted)}.pay-btn{margin-top:22px;min-height:54px;font-size:var(--ct-cta)}.spinner-sm{width:18px;height:18px;margin:0;border-width:2px}.buy-reassure{text-align:center;font-size:13px;margin:12px 0 0}.stepper{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;list-style:none;margin:0 0 22px;padding:6px;border:1px solid var(--border);border-radius:var(--r-md);background:#ffffff09;isolation:isolate}.stepper-item{display:flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:7px 8px;border:1px solid transparent;border-radius:var(--r-md);background:transparent;min-width:0;transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast)}.stepper-item:after{display:none}.stepper-dot{flex:none;width:28px;height:24px;display:grid;place-items:center;border-radius:var(--r-sm);font-family:var(--font-mono);font-size:11px;font-weight:800;line-height:1;color:var(--muted);background:#ffffff0e;border:1px solid var(--border);box-shadow:none;transition:color var(--t-fast),background var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast)}.stepper-lbl{min-width:0;font-size:12px;font-weight:760;line-height:1;color:var(--muted);white-space:nowrap;transition:color var(--t-fast)}.stepper-item.is-current{background:rgba(var(--accent-rgb),.12);border-color:rgba(var(--accent-rgb),.28)}.stepper-item.is-current .stepper-dot{color:#eafff1;background:rgba(var(--accent-rgb),.2);border-color:rgba(var(--accent-rgb),.38)}.stepper-item.is-current .stepper-lbl{color:var(--fg-strong)}.stepper-item.is-current .stepper-dot{box-shadow:none}.stepper-item.is-done .stepper-dot{color:var(--accent-hi);background:rgba(var(--accent-rgb),.14);border-color:rgba(var(--accent-rgb),.4)}.stepper-item.is-done .stepper-lbl{color:#e8f2eec7}.stepper-item.is-done:after{background:rgba(var(--accent-rgb),.4)}.step-panel{display:none}.step-panel.is-active{display:block}.step-lead{margin:-4px 0 18px;font-size:14px;line-height:1.5}.step-nav{display:flex;gap:10px;margin-top:22px}.step-nav .btn{min-height:48px}.step-back{flex:0 0 auto;width:auto;padding:0 18px}.step-next{flex:1}.step-nav-single{margin-top:14px}.step-nav-single .step-back{flex:1}@media(max-width:430px){.buy-page{padding-block-start:20px}.buy-card{padding:18px}.stepper{margin-bottom:18px}.stepper-item{flex-direction:column;gap:5px;min-height:50px;padding:7px 4px}.stepper-dot{width:30px;height:22px;font-size:10.5px}.stepper-lbl{font-size:10.5px}.step-panel.is-active{padding:16px}.step-nav{flex-direction:column-reverse;gap:8px}.step-nav .btn,.step-back,.step-next{width:100%;min-height:48px;padding-inline:16px}.promo-controls{flex-direction:column}.promo-apply{width:100%}}.order-summary{margin:0 0 22px;padding:4px 0;display:flex;flex-direction:column;gap:2px}.summary-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--border)}.summary-row dt{color:var(--muted);font-size:14px}.summary-row dd{margin:0;font-weight:600;color:var(--fg);font-size:15px;text-align:right}.summary-total{border-bottom:none;padding-top:14px}.summary-total dt{color:var(--fg-strong);font-weight:700;font-size:15px}.summary-total dd{color:var(--fg-strong);font-weight:800;font-size:20px}.step-panel .pay-btn{margin-top:0}