/* ============================================================
   Brokkrpay — site-wide styles (shared by all pages)
   ============================================================ */
:root {
  --forge:       #E5762D;
  --forge-deep:  #C85F1E;
  --gold:        #D4A256;
  --forge-tint:  #FBEBDD;
  --bp-glow:     0,195,154;   /* accent glow rgb triple — overridden by Tweaks */
}
html { scroll-behavior: smooth; }
body.lh { background: var(--bone); overflow-x: hidden; }
* { -webkit-tap-highlight-color: transparent; }

/* Travelling token on the flow rail */
@keyframes bp-travel {
  0%   { left: 0%;   opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.bp-token { animation: bp-travel 3.4s var(--ease) infinite; }
.bp-bar { transition: width 1s var(--ease); }

/* Scroll reveal — only below-the-fold elements get .rv (start hidden) */
.rv { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--rv-delay, 0ms); }
.rv.rv-in { opacity: 1; transform: none; }

/* Nav links */
.navlink { position: relative; transition: color var(--d-default) var(--ease); }
.navlink:hover { color: var(--fg-1); }
.navlink::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1.5px;
  background: var(--fg-1); transform: scaleX(0); transform-origin: left;
  transition: transform var(--d-default) var(--ease);
}
.navlink:hover::after { transform: scaleX(1); }
.navlink-active { color: var(--fg-1) !important; }
.navlink-active::after { transform: scaleX(1); background: var(--liquid); }
.nav-over-dark .navlink:hover { color: var(--on-ink-1) !important; }
.nav-over-dark .navlink::after { background: var(--on-ink-1); }

/* Buttons — NB: 'background' is deliberately NOT transitioned. A transitioned
   background freezes when its value comes from a CSS var that changes (e.g. the
   accent Tweak), so accent swaps wouldn't repaint. Accent hovers use filter. */
.btn { transition: filter var(--d-default) var(--ease), transform var(--d-micro) var(--ease), box-shadow var(--d-default) var(--ease), border-color var(--d-default) var(--ease), color var(--d-default) var(--ease); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-forge:hover { filter: brightness(1.07); }
.btn-dark:hover { background: var(--ink-3); }
.btn-ghost:hover { background: var(--bone-3); }
.btn-ghostDark:hover { background: rgba(255,255,255,0.06); }
.btn:active { filter: brightness(0.95); }

/* Cards */
.lift-card { transition: transform var(--d-default) var(--ease), box-shadow var(--d-default) var(--ease); }
.lift-card:hover { transform: translateY(-3px); box-shadow: var(--float); }
.serve-card { transition: transform var(--d-default) var(--ease), box-shadow var(--d-default) var(--ease), border-color var(--d-default) var(--ease); }
.serve-card:hover { transform: translateY(-3px); box-shadow: var(--float); border-color: var(--liquid); }
.footlink { transition: color var(--d-micro) var(--ease); }
.footlink:hover { color: var(--liquid); }

/* Docs side-nav links */
.doclink { transition: color var(--d-micro) var(--ease), border-color var(--d-micro) var(--ease); }
.doclink:hover { color: var(--fg-1); }

/* Range slider (pricing calculator) */
.bp-range { -webkit-appearance: none; appearance: none; height: 6px; border-radius: 999px;
  background: var(--bone-3); outline: none; cursor: pointer; }
.bp-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px;
  border-radius: 999px; background: var(--liquid); border: 3px solid var(--paper);
  box-shadow: 0 1px 4px rgba(11,18,32,.25); cursor: pointer; transition: transform var(--d-micro) var(--ease); }
.bp-range::-webkit-slider-thumb:hover { transform: scale(1.08); }
.bp-range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 999px; background: var(--liquid);
  border: 3px solid var(--paper); box-shadow: 0 1px 4px rgba(11,18,32,.25); cursor: pointer; }

/* Responsive */
@media (max-width: 920px) {
  .nav-links { display: none !important; }
  .g-collapse { grid-template-columns: 1fr !important; }
  .docs-grid { grid-template-columns: 1fr !important; }
  .foot-grid { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  section [style*="grid-template-columns: 1.04fr"],
  section [style*="grid-template-columns: 1.05fr"],
  section [style*="grid-template-columns: 0.92fr"],
  section [style*="grid-template-columns: repeat(3, 1fr)"],
  section [style*="grid-template-columns: repeat(4, 1fr)"],
  section [style*="grid-template-columns: 1fr 1fr"],
  section [style*="grid-template-columns: repeat(2, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bp-token { animation: none; display: none; }
  html { scroll-behavior: auto; }
}

/* Tweaks: editorial serif headlines */
.head-serif h1, .head-serif h2 { font-family: var(--ff-display) !important; font-weight: 500 !important; letter-spacing: -0.02em !important; }
/* Tweaks: hide ambient sparks */
.no-sparks canvas { display: none !important; }
/* Tweaks: suppress transitions during a token swap so var-based backgrounds repaint instantly */
.tw-instant, .tw-instant * { transition: none !important; }