/* Pricing: "Build your plan" (js/pricing.js). A 3D stack of glass layers beside the choices. */
.builder{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:24px 40px;align-items:center;padding:24px;border-radius:28px;border:1px solid color-mix(in srgb,var(--acc) 26%,var(--glass-b));background:radial-gradient(70% 90% at 0% 0%,color-mix(in srgb,var(--acc) 14%,transparent),transparent 65%),linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:border-color .4s}
.b-tower{position:relative;height:330px;perspective:900px;min-width:0}
.b-iso{position:absolute;left:50%;top:60%;width:220px;height:140px;transform-style:preserve-3d;transform:translate(-50%,-50%) rotateX(58deg) rotateZ(-38deg)}
.b-slab{position:absolute;inset:0;border-radius:22px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;color:var(--plat);
  background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.24);
  box-shadow:0 0 0 1px rgba(0,0,0,.3),0 28px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .7s cubic-bezier(.2,1.35,.3,1),opacity .4s}
.b-slab span{transform:rotateZ(38deg);white-space:nowrap}
.b-slab.inst-guitar,.b-slab.inst-piano{background:linear-gradient(135deg,color-mix(in srgb,var(--acc) 55%,transparent),color-mix(in srgb,var(--acc-2) 22%,transparent));border-color:color-mix(in srgb,var(--acc) 75%,transparent);box-shadow:0 0 36px color-mix(in srgb,var(--acc) 35%,transparent),0 28px 40px rgba(0,0,0,.45)}
.b-slab.gift{background:linear-gradient(135deg,rgba(255,181,71,.6),rgba(255,107,90,.25));border-color:rgba(255,181,71,.85);box-shadow:0 0 40px rgba(255,138,76,.45),0 28px 40px rgba(0,0,0,.45)}
.b-slab.off{opacity:0;transform:translateZ(240px)!important}
.b-ctrl{display:grid;gap:18px;min-width:0}
.b-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.b-q{display:grid;gap:8px;min-width:0}
.b-q>span{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--plat-3)}
.b-q .seg{justify-self:start;max-width:100%;flex-wrap:wrap}
.b-q .seg button[aria-pressed="true"]{background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#120c08}
.b-own{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.b-own .b-ds{color:var(--plat-2)}
.b-dur{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.b-d{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:0;padding:12px;border-radius:16px;border:1px solid var(--glass-b2);background:var(--glass);color:var(--plat);font:inherit;text-align:left;cursor:pointer;transition:border-color .25s,background .25s,transform .3s cubic-bezier(.2,1.35,.3,1)}
.b-d:active{transform:scale(.96)}
.b-d b{font-size:14px;font-weight:700}
.b-d .b-dp{font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.b-d .b-ds,.b-d .b-dl{font-size:12px;color:var(--plat-3);line-height:1.3}
.b-d .b-dl{color:var(--gtr-a)}
.b-d[aria-checked="true"]{border-color:var(--acc);background:linear-gradient(160deg,color-mix(in srgb,var(--acc) 24%,transparent),rgba(255,255,255,.03));box-shadow:0 0 24px color-mix(in srgb,var(--acc) 22%,transparent)}
.b-d.closed{opacity:.55}
.b-d.closed .b-ds{color:var(--plat-2)}
.b-price{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.b-price b{font-size:clamp(44px,10vw,64px);font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.b-price span{color:var(--plat-3);font-size:14px}
.b-save{color:var(--acc);font-weight:700;font-size:15px;min-height:0}
.b-save:empty,.b-slots:empty,#b-note:empty,.ticks:empty{display:none}
.b-slots{color:var(--gtr-a);font-weight:700;font-size:14px}
.is-closed .b-price b{text-decoration:line-through;text-decoration-thickness:2px;color:var(--plat-3)}
.b-cta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}
.b-cta .paybtn{background:transparent;border:0;color:var(--plat-2);font:inherit;font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:8px 0;margin:0}
@media (max-width:420px){.builder{padding:18px;border-radius:24px}.b-tower{height:250px}.b-iso{top:66%}.b-iso{width:180px;height:116px}.b-slab{font-size:15px}.b-d{padding:10px}.b-d .b-dp{font-size:15px}}
/* combo offer cards */
.combo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px}
.combo-card{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:22px;border:1px solid color-mix(in srgb,var(--gtr-a) 22%,var(--glass-b));background:radial-gradient(80% 70% at 0% 0%,rgba(255,181,71,.12),transparent 60%),radial-gradient(70% 70% at 100% 100%,rgba(164,139,255,.12),transparent 60%),var(--glass);min-width:0}
.combo-card .btn{margin-top:auto;align-self:flex-start}
.combo-card .ticks{margin:4px 0 6px}
.combo-card.closed{opacity:.6}
.combo-chips{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.combo-chip{padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;color:#120c08;background:linear-gradient(135deg,var(--acc),var(--acc-2))}
.combo-plus{font-weight:800;color:var(--plat-3)}
.combo-price{font-size:clamp(34px,8vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;margin:0}
.combo-sec{padding-top:8px}
.combo-pr{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.combo-per{font-size:15px;font-weight:700;color:var(--plat)}
.combo-cmp{margin:0;color:var(--plat-3);font-size:14px}
.combo-cmp s{text-decoration-thickness:2px;text-decoration-color:var(--gtr-b);font-weight:700;color:var(--plat-2)}
.combo-save{margin:0;align-self:flex-start;padding:6px 12px;border-radius:999px;font-size:14px;font-weight:800;color:#120c08;background:linear-gradient(135deg,var(--gtr-a),var(--gtr-b))}
.b-off{display:inline-block;margin-top:4px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:800;color:#120c08;background:linear-gradient(135deg,var(--gtr-a),var(--gtr-b))}
.combo-extra{margin:0;padding:10px 12px;border-radius:14px;border:1px dashed rgba(255,181,71,.5);color:var(--plat-2);font-size:14px;line-height:1.45}
.combo-extra b{color:var(--gtr-a)}
/* combo = both instruments: warm-to-cool, not guitar orange */
.combo-save{background:linear-gradient(110deg,var(--gtr-a),var(--gtr-b) 30%,var(--pno-a) 65%,var(--pno-b))}
.combo-card{border:1px solid transparent;background:radial-gradient(80% 70% at 0% 0%,rgba(255,181,71,.10),transparent 60%) padding-box,radial-gradient(70% 70% at 100% 100%,rgba(164,139,255,.12),transparent 60%) padding-box,linear-gradient(#141619,#141619) padding-box,linear-gradient(130deg,rgba(255,181,71,.45),rgba(164,139,255,.45),rgba(0,224,255,.45)) border-box}
.combo-extra{border-color:rgba(164,139,255,.45)}
.combo-cmp s{text-decoration-color:var(--pno-a)}