/* Lightning Version B · product-first story.
   Builds on css/version-c.css (Meadow tokens, components, dark mode). Only B's own parts live here. */

/* ---------- hero ---------- */
.b-hero{padding:84px 0 40px;text-align:center}
.b-hero .eyebrow{justify-content:center}
.b-hero h1{margin:22px auto 0;font-size:clamp(44px,6.4vw,84px);line-height:.98;letter-spacing:-.045em}
.b-hero h1 span{display:block}
.b-hero-lead{max-width:36em;margin:22px auto 0;color:var(--ink2);font-size:19px;line-height:1.6}
.b-private{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:22px auto 0;color:var(--ink);font:700 14px/1.3 var(--body)}
.b-private li{display:flex;align-items:center;gap:8px}
.b-private li::before{content:"";flex:none;width:20px;height:20px;border-radius:50%;background:var(--check-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='m6 10.5 2.6 2.5L14 7.5' fill='none' stroke='%230B8A5F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.b-hero .c-hero-actions{margin-top:30px}

/* ---------- where your money lives ---------- */
.b-sources{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:16px;align-items:stretch}
.b-source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.b-source{display:flex;flex-direction:column;padding:20px;background:var(--paper)}
.b-source span{color:var(--muted);font:800 11px/1.3 var(--body);letter-spacing:.08em;text-transform:uppercase}
.b-source b{margin-top:14px;font:800 24px/1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.b-source b small{margin-left:4px;color:var(--muted);font:700 11px var(--body);letter-spacing:0}
.b-source p{margin-top:auto;padding-top:12px;color:var(--ink2);font-size:13px;font-weight:600;line-height:1.4}
.b-source.other{border-style:dashed;border-color:var(--border);background:transparent;box-shadow:none}
.b-source.other b{color:var(--muted)}
.b-picture{display:flex;flex-direction:column;padding:28px;background:var(--action);color:var(--action-ink);border-color:var(--action)}
.b-picture .label{display:flex;align-items:center;gap:10px;font:800 21px/1 var(--display);letter-spacing:-.02em}
.b-picture .label img{width:auto;height:28px}
.b-picture ol{display:grid;gap:0;margin-top:22px}
.b-picture li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-top:1px solid color-mix(in srgb,currentColor 16%,transparent);font-size:14px;font-weight:600}
.b-picture li b{font:800 20px/1 var(--display);letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.b-picture li small{display:block;margin-top:3px;opacity:.72;font-size:12px;font-weight:600}
.b-picture li.lead b{font-size:30px}
.b-picture .kept{margin-top:auto;padding-top:14px;opacity:.8;font-size:13px;font-weight:600}
:root:not([data-theme="dark"]) .b-picture li small,:root:not([data-theme="dark"]) .b-picture .kept{color:#B8D3E6;opacity:1}

/* ---------- balance bridge ---------- */
.b-bridge{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:40px;align-items:center}
.b-bridge-copy h2{margin-top:16px;font-size:clamp(32px,4vw,46px);line-height:1.06}
.b-bridge-copy>p{margin-top:16px;max-width:30em;color:var(--ink2);font-size:17px;line-height:1.65}
.b-steps-down{margin-top:26px;padding:8px 22px;background:var(--card)}
.b-steps-down li{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;font-weight:600}
.b-steps-down li:last-child{border-bottom:0}
.b-steps-down li b{font:800 18px/1 var(--display);font-variant-numeric:tabular-nums;white-space:nowrap}
.b-steps-down li.minus b{color:var(--rose)}
.b-steps-down li.total{margin:4px -22px -8px;padding:18px 22px;border-radius:0 0 var(--radius) var(--radius);background:var(--tint-green)}
.b-steps-down li.total span{font-weight:800}
.b-steps-down li.total b{color:var(--meadow-dark);font-size:28px}

/* ---------- behaviour story extras ---------- */
.b-quote{margin-top:28px;padding:18px 22px;border-left:4px solid var(--meadow);border-radius:0 16px 16px 0;background:var(--card)}
.b-quote blockquote{font:800 18px/1.35 var(--display);letter-spacing:-.02em}
.b-quote figcaption{margin-top:8px;color:var(--muted);font-size:13px;font-weight:700}
.b-lightning-line{margin-top:10px;max-width:33em;color:var(--ink2);font-size:16px;line-height:1.6}

/* ---------- calculator ---------- */
.b-calc .c-calc-input{gap:0}
.b-calc .field-label{display:block;margin-top:22px;color:var(--muted);font:800 11px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase}
.b-calc .c-calc-input>label.q{max-width:22ch}
.b-rate{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.b-rate button{min-height:36px;padding:0 15px;border:1px solid var(--border);border-radius:99px;background:var(--field);color:var(--ink2);font:700 13px/1 var(--body);cursor:pointer}
.b-rate button:hover{border-color:var(--meadow);color:var(--meadow-dark)}
.b-rate button[aria-pressed="true"]{border-color:var(--action);background:var(--action);color:var(--action-ink)}
.b-calc .c-calc-result p.key{font-size:17px;line-height:1.5;font-weight:600}
.b-calc .c-calc-result p.key b{font-weight:800}

/* ---------- how wealth grows ---------- */
.b-grow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch}
.b-grow article{padding:26px;background:var(--paper)}
.b-grow .n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--action);color:var(--action-ink);font:800 16px/1 var(--display)}
.b-grow h3{margin-top:16px;font-size:22px;line-height:1.15}
.b-grow p{margin-top:8px;color:var(--ink2);font-size:15px}
.b-grow .arrow{align-self:center;color:var(--meadow-dark);font:800 24px/1 var(--display)}
.b-grow article:last-child{background:var(--tint-green)}

/* ---------- FAQ ---------- */
.b-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.b-faq details{padding:0 22px;border:1px solid var(--card-line);border-radius:18px;background:var(--card);box-shadow:var(--shadow-card)}
.b-faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:62px;cursor:pointer;list-style:none;font:800 17px/1.3 var(--display);letter-spacing:-.015em}
.b-faq summary::-webkit-details-marker{display:none}
.b-faq summary::after{content:"";flex:none;width:10px;height:10px;margin-right:4px;border-right:2px solid var(--meadow-dark);border-bottom:2px solid var(--meadow-dark);transform:translateY(-3px) rotate(45deg);transition:transform .2s}
.b-faq details[open] summary::after{transform:translateY(2px) rotate(-135deg)}
.b-faq details p{padding:0 0 20px;color:var(--ink2);font-size:15px;line-height:1.6}
.b-faq .placeholder{color:var(--muted);font-style:italic}
.b-founder{display:flex;align-items:center;gap:16px;max-width:760px;margin:28px auto 0;padding:18px 22px;border-radius:18px;background:var(--card);border:1px solid var(--card-line)}
.b-founder .c-avatar{width:48px;height:48px}
.b-founder p{color:var(--ink2);font-size:15px;line-height:1.5}
.b-founder b{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .b-sources,.b-bridge{grid-template-columns:1fr}
  .b-grow{grid-template-columns:1fr}.b-grow .arrow{justify-self:center;transform:rotate(90deg)}
  .b-faq{grid-template-columns:1fr}
}
@media (max-width:640px){
  .b-hero{padding-top:56px}
  .b-hero-lead{font-size:16px}
  .b-private{flex-direction:column;align-items:center;gap:8px}
  .b-source-grid{grid-template-columns:1fr 1fr}
  .b-source b{font-size:20px}
  .b-picture{padding:22px}
  .b-founder{flex-direction:column;text-align:center}
}