/* BSA Kit pages — matches the homepage design (design-tokens.css): dark #1a1a1a,
 * orange #FF7A00 -> yellow #FFD400 gradient, sans, two-column product layout.
 * Scoped to products/* pages only. Checkout DOM (Lightning addr, QR, BTCPay form,
 * sats spans) is preserved; only relocated into the buy box and recoloured.
 */
:root {
  --bsa-bg: #1a1a1a;
  --bsa-surface: #2d2d2d;
  --bsa-surface-2: #3a3a3a;
  --bsa-text: #e0e0e0;
  --bsa-muted: #b3b3b3;
  --bsa-border: rgba(255,255,255,.12);
  --bsa-border-strong: rgba(255,255,255,.22);
  --bsa-primary: #FF7A00;
  --bsa-grad: linear-gradient(135deg, #FF7A00 0%, #FFD400 100%);
  --bsa-radius: 12px;
  --bsa-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bsa-bg); }
body { background: var(--bsa-bg); color: var(--bsa-text); font-family: var(--bsa-sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

.bsa-grad { background: var(--bsa-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* page = wide wrapper */
.bsa-page { max-width: 1080px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }

/* two-column grid: content + sticky buy box */
.kit-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
.kit-main { min-width: 0; }

.bsa-eyebrow { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .16em; color: var(--bsa-primary); margin-bottom: 14px; }
.bsa-page h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; line-height: 1.08; letter-spacing: -.015em; margin-bottom: 16px; }
.bsa-page .lede { font-size: 1.2rem; color: var(--bsa-muted); margin-bottom: 8px; max-width: 56ch; }
.bsa-page h2 { font-size: 1.55rem; font-weight: 700; letter-spacing: -.01em; margin: 2.6rem 0 1rem; padding-bottom: .5rem; border-bottom: 1px solid var(--bsa-border); }
.bsa-page h3 { font-size: 1.1rem; font-weight: 600; margin: 1.4rem 0 .4rem; }
.bsa-page p { margin: 0 0 1rem; }
.bsa-page a { color: var(--bsa-primary); text-decoration: none; border-bottom: 1px solid rgba(255,122,0,.3); }
.bsa-page a:hover { border-bottom-color: var(--bsa-primary); }
.bsa-page hr { border: 0; border-top: 1px solid var(--bsa-border); margin: 2.5rem 0; }

/* generic content lists */
.kit-main > ul { list-style: none; padding: 0; display: grid; gap: .6rem; margin: 0 0 1rem; }
.kit-main > ul > li { position: relative; padding-left: 1.5rem; color: var(--bsa-text); }
.kit-main > ul > li::before { content: "—"; position: absolute; left: 0; color: var(--bsa-primary); font-weight: 700; }

/* "what you get" -> two-column cards */
.bsa-includes { margin: 1.4rem 0; }
.bsa-includes h3 { margin-top: 0; }
.bsa-includes ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bsa-includes li { background: var(--bsa-surface); border: 1px solid var(--bsa-border); border-radius: var(--bsa-radius); padding: 16px 18px; margin: 0; font-size: .95rem; color: var(--bsa-muted); line-height: 1.5; }
.bsa-includes li strong { display: block; color: var(--bsa-text); font-weight: 600; font-size: 1.02rem; margin-bottom: .25rem; }
.bsa-includes li strong::before { content: "✓ "; color: var(--bsa-primary); font-weight: 700; }

/* callout */
.bsa-callout { background: var(--bsa-surface); border: 1px solid var(--bsa-border); border-left: 4px solid var(--bsa-primary); border-radius: 0 var(--bsa-radius) var(--bsa-radius) 0; padding: 1.3rem 1.4rem; margin: 1.6rem 0; }
.bsa-callout strong { color: #ffb84d; }
.bsa-callout p { margin: 0 0 .8rem; }
.bsa-callout p:last-child { margin-bottom: 0; }

/* FAQ */
.bsa-faq details { border-bottom: 1px solid var(--bsa-border); padding: 1rem 0; }
.bsa-faq summary { cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.bsa-faq summary::-webkit-details-marker { display: none; }
.bsa-faq summary::after { content: "+"; color: var(--bsa-primary); font-size: 1.3rem; }
.bsa-faq details[open] summary::after { content: "\2013"; }
.bsa-faq details p { color: var(--bsa-muted); margin: .7rem 0 0; }

/* ===== BUY BOX (right column) ===== */
.kit-buybox { position: sticky; top: 24px; background: var(--bsa-surface); border: 1px solid var(--bsa-border); border-radius: var(--bsa-radius); padding: 26px; }
.bsa-price { display: flex; align-items: baseline; gap: .5rem; margin-bottom: 2px; }
.bsa-price .usd { font-size: 3rem; font-weight: 800; letter-spacing: -.02em; line-height: 1; background: var(--bsa-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.bsa-price .sats { font-size: .9rem; color: var(--bsa-muted); font-variant-numeric: tabular-nums; }
.bsa-price .sats::before { content: "\2248 "; opacity: .6; }
.kit-price-sub { font-size: .78rem; color: var(--bsa-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 20px; }

.bsa-btn { display: block; width: 100%; text-align: center; font-family: var(--bsa-sans); font-weight: 700; font-size: 1rem; padding: 15px; border-radius: 10px; border: 0; cursor: pointer; text-decoration: none; margin-bottom: 12px; transition: transform .12s ease, box-shadow .2s ease; }
.bsa-btn-card { background: var(--bsa-grad); color: #1a1a1a; box-shadow: 0 8px 26px rgba(255,150,0,.28); }
.bsa-btn-card:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(255,150,0,.4); }
.bsa-btn-card:disabled { opacity: .6; cursor: progress; transform: none; }

.kit-or { display: flex; align-items: center; gap: 12px; color: var(--bsa-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; margin: 4px 0 12px; }
.kit-or::before, .kit-or::after { content: ""; flex: 1; height: 1px; background: var(--bsa-border); }

/* Lightning option (collapsible) */
.bsa-checkout { border: 1px solid var(--bsa-border); border-radius: 10px; overflow: hidden; }
.bsa-checkout > summary { cursor: pointer; list-style: none; padding: 14px; font-weight: 600; text-align: center; color: var(--bsa-text); }
.bsa-checkout > summary::-webkit-details-marker { display: none; }
.bsa-checkout[open] > summary { border-bottom: 1px solid var(--bsa-border); }
.bsa-checkout .ln-body { padding: 16px; }
.bsa-checkout code { background: rgba(255,122,0,.12); color: #ffb84d; padding: 3px 7px; border-radius: 6px; font-size: .85em; word-break: break-all; }
.bsa-checkout img { display: block; max-width: 100%; height: auto; border-radius: 8px; margin: 12px 0; }
.bsa-checkout .ln-after { font-size: .82rem; color: var(--bsa-muted); }
.bsa-checkout .ln-after a { color: var(--bsa-primary); }
.bsa-fallback { margin-top: 12px; }
.bsa-fallback summary { cursor: pointer; color: var(--bsa-muted); font-size: .82rem; }
.bsa-btn-secondary { display: inline-block; margin-top: 8px; background: transparent; color: var(--bsa-text); border: 1px solid var(--bsa-border-strong); border-radius: 8px; padding: 8px 14px; font-family: var(--bsa-sans); cursor: pointer; }
.bsa-btn-secondary:hover { border-color: var(--bsa-primary); color: var(--bsa-primary); }

.kit-reassure { font-size: .78rem; color: var(--bsa-muted); line-height: 1.5; margin-top: 16px; text-align: center; }
.kit-paid { background: rgba(76,175,80,.12); border: 1px solid #4caf50; color: #cdebcf; border-radius: 10px; padding: 14px; margin-bottom: 16px; font-size: .92rem; }

.bsa-meta { color: var(--bsa-muted); font-size: .9rem; line-height: 1.5; }
.bsa-meta a { color: var(--bsa-primary); }
.bsa-footer-line { color: var(--bsa-muted); font-size: .85rem; margin: 2.5rem 0 0; }
.bsa-footer-line.brand { margin-top: .5rem; color: var(--bsa-primary); }

@media (max-width: 820px) {
  .kit-grid { grid-template-columns: 1fr; gap: 28px; }
  .kit-buybox { position: static; order: -1; }
  .bsa-includes ul { grid-template-columns: 1fr; }
  .bsa-price .usd { font-size: 2.6rem; }
}