.billing-toggle-wrap { display: flex; align-items: center; justify-content: center; gap: var(--sp-3); margin-bottom: var(--sp-10); }
.billing-label { font-size: 0.88rem; font-weight: 700; color: var(--muted); transition: color 250ms; }
.billing-label.active { color: var(--text); }
.toggle-switch { width: 52px; height: 28px; border-radius: var(--r-full); background: linear-gradient(135deg, var(--pri), var(--sec)); position: relative; cursor: pointer; border: none; flex-shrink: 0; }
.toggle-switch__thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; position: absolute; top: 3px; left: 3px; transition: left 250ms cubic-bezier(.16,1,.3,1); box-shadow: var(--shadow-xs); }
.toggle-switch.yearly .toggle-switch__thumb { left: 27px; }
.save-badge { padding: 4px 10px; border-radius: var(--r-full); background: rgba(0,194,168,.1); border: 1px solid rgba(0,194,168,.2); color: #007c69; font-size: 0.75rem; font-weight: 700; opacity: 0.4; transition: opacity 250ms; }
.save-badge.show { opacity: 1; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); align-items: start; }
.p-card { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow); position: relative; transition: transform 250ms, box-shadow 250ms; }
.p-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.p-card.featured { border-color: rgba(108,99,255,.3); transform: translateY(-8px); box-shadow: 0 28px 70px rgba(108,99,255,.14); }
.p-card__tier { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: var(--sp-2); }
.p-card__price { font-size: 3rem; font-weight: 900; letter-spacing: -0.05em; line-height: 1; }
.p-card__price em { font-style: normal; font-size: 1rem; font-weight: 700; color: var(--muted); vertical-align: super; margin-right: 2px; }
.p-card__per { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.p-card__note { font-size: 0.75rem; color: var(--muted); margin-bottom: var(--sp-5); }
.p-card__desc { font-size: 0.88rem; color: var(--muted); line-height: 1.7; padding-bottom: var(--sp-5); border-bottom: 1px solid var(--line); margin-bottom: var(--sp-5); }
.p-card__feat-head { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: var(--sp-3); }
.p-feat-list { display: grid; gap: var(--sp-2); }
.p-feat-row { display: flex; gap: var(--sp-3); align-items: flex-start; font-size: 0.88rem; }
.p-feat-chk { color: var(--sec); font-weight: 900; flex-shrink: 0; }
.p-feat-x { color: var(--muted); flex-shrink: 0; }
.p-feat-row span { color: var(--muted); }
@media (max-width: 1024px) { .pricing-grid { grid-template-columns: 1fr; } .p-card.featured { transform: none; } }
.addon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.addon-card { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: var(--sp-5); display: flex; gap: var(--sp-4); align-items: flex-start; }
.addon-card__icon { width: 40px; height: 40px; border-radius: var(--r-sm); background: linear-gradient(135deg, rgba(108,99,255,.1), rgba(0,194,168,.08)); border: 1px solid rgba(108,99,255,.14); display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0; }
.addon-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.addon-card p { font-size: 0.8rem; color: var(--muted); line-height: 1.6; margin-bottom: var(--sp-2); }
.addon-card__price { font-size: 0.8rem; font-weight: 700; color: var(--pri); }
@media (max-width: 1024px) { .addon-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .addon-grid { grid-template-columns: 1fr; } }
.faq-item { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-sm); overflow: hidden; }
.faq-item__q { display: flex; justify-content: space-between; align-items: center; padding: var(--sp-4) var(--sp-5); cursor: pointer; font-size: 0.94rem; font-weight: 700; gap: var(--sp-3); user-select: none; }
.faq-item__arrow { font-size: 0.75rem; color: var(--muted); transition: transform 250ms, color 250ms; flex-shrink: 0; }
.faq-item__a { display: none; padding: 0 var(--sp-5) var(--sp-4); font-size: 0.9rem; color: var(--muted); line-height: 1.75; }
.faq-item.open .faq-item__a { display: block; }
.faq-item.open .faq-item__arrow { transform: rotate(180deg); color: var(--pri); }


/* ============================================================
   Responsive Enhancement Pack
   ============================================================ */
@media (max-width: 768px) {
  .billing-toggle-wrap { flex-wrap: wrap; gap: var(--sp-2); }
  .p-card { padding: 22px; }
  .p-card__price { font-size: 2.4rem; }
}