/* ========================================================================
   Agentic Payment Verification — page-specific styles
   Mobile-first, ~320 → 1200+. Header & footer belong to shared.css.
   ======================================================================== */

/*------------------------------------------
  1. Page guard
  ------------------------------------------*/
.apv-page {
  overflow-x: hidden;
}

/*------------------------------------------
  2. Mobile-first base (all widths)
  ------------------------------------------*/

/* Prevent any child blowing out the viewport */
.apv-page img,
.apv-page svg,
.apv-page canvas,
.apv-page video,
.apv-page pre,
.apv-page code,
.apv-page table {
  max-width: 100%;
}

.apv-page pre,
.apv-page code {
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ---- Splash / hero ---- */
.apv-page .pg-splash {
  position: relative;
  overflow: hidden;
  background: #0a0a0a;
  color: #f3f3ef;
  padding: 32px 0 40px;
}

.apv-page .pg-splash .container {
  position: relative;
  z-index: 1;
  padding: 0 16px;
  max-width: var(--content-max, 1120px);
  margin: 0 auto;
}

/* decorative SVG — absolutely positioned, behind the text */
.apv-page .apv-hero-flow {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  pointer-events: none;
  opacity: 0.18;
  width: auto;
  height: 100%;
}

.apv-page .pg-splash .eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8d8d86;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.apv-page .pg-splash .eyebrow-mark {
  width: 24px;
  height: 2px;
  background: #cfcfc8;
  display: inline-block;
}

.apv-page .pg-splash h1 {
  font-size: clamp(1.75rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 16em;
  margin: 0 0 14px;
  color: #f3f3ef;
}

.apv-page .pg-splash .lead {
  max-width: 38rem;
  margin: 0 0 22px;
  color: #a3a39c;
  font-size: 1rem;
  line-height: 1.55;
}

.apv-page .pg-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.apv-page .pg-splash .btn-primary {
  background: #f3f3ef;
  border-color: #f3f3ef;
  color: #111111;
}

.apv-page .pg-splash .btn-primary:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #111111;
}

.apv-page .pg-splash .btn-ghost {
  color: #a3a39c;
  border-color: transparent;
}

.apv-page .pg-splash .btn-ghost:hover {
  color: #f3f3ef;
}

/* ---- Animated SVG nodes (hero flow) ---- */
.apv-hero-flow .hf-node   { opacity: 0; }
.apv-hero-flow .hf-link   { stroke-dasharray: 6 9; stroke-linecap: round; opacity: 0.55; }

.apv-hero-flow.tokens-on .hf-node {
  animation: hfPulse 3.2s ease-in-out infinite;
}
.apv-hero-flow.tokens-on .hf-node:nth-of-type(1) { animation-delay: 0s;   }
.apv-hero-flow.tokens-on .hf-node:nth-of-type(2) { animation-delay: 0.8s; }
.apv-hero-flow.tokens-on .hf-node:nth-of-type(3) { animation-delay: 1.6s; }

.apv-hero-flow.tokens-on .hf-link {
  animation: hfFlow 2.4s linear infinite;
  opacity: 0.9;
}

@keyframes hfFlow  { to { stroke-dashoffset: -60; } }
@keyframes hfPulse {
  0%, 100% { opacity: 0; transform: scale(0.6); }
  50%      { opacity: 1; transform: scale(1);   }
}

/* ---- Breadcrumbs ---- */
.apv-page .breadcrumbs-wrap {
  padding: 14px 16px 0;
}

.apv-page .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.apv-page .breadcrumbs li + li::before {
  content: "/";
  margin: 0 4px;
  color: var(--color-border);
}

.apv-page .breadcrumbs a {
  color: var(--color-accent);
  font-weight: 500;
}

/* ---- Entity-def callout ---- */
.apv-page .entity-def-wrap {
  padding: 16px 16px 0;
}

.apv-page .entity-def-wrap .callout {
  margin: 0;
  max-width: 100%;
  padding: 20px 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: 0 1px 2px rgba(26,26,26,0.04);
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .entity-def-wrap .callout h2 {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.apv-page .entity-def-wrap .callout p {
  margin: 0;
  max-width: 52rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* ---- Main docs layout ---- */
.apv-page .docs-layout {
  padding: 20px 0 40px;
}

.apv-page .docs-layout-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 0 16px;
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ---- Rail / TOC ---- */
.apv-page .docs-rail {
  order: -1;
}

.apv-page .docs-toc {
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 18px 16px;
  box-shadow: 0 1px 2px rgba(26,26,26,0.04);
}

.apv-page .docs-toc h2 {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.apv-page .docs-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 1;
}

.apv-page .docs-toc li {
  margin-bottom: 2px;
}

.apv-page .docs-toc a {
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.apv-page .docs-toc a:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}

.apv-page .apv-toc-note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ---- Docs section ---- */
.apv-page .docs-section {
  padding: 24px 0;
}

.apv-page .docs-section + .docs-section {
  border-top: 1px solid var(--color-border);
}

.apv-page .docs-section > .container {
  padding: 0;
  max-width: none;
}

/* ---- Prose ---- */
.apv-page .docs-prose h2 {
  font-size: clamp(1.35rem, 3.2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--color-text);
}

.apv-page .docs-prose h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 20px 0 8px;
  color: var(--color-text);
}

.apv-page .docs-prose p,
.apv-page .docs-prose li {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 12px;
}

.apv-page .docs-prose ul,
.apv-page .docs-prose ol {
  margin: 0 0 16px;
  padding-left: 20px;
}

.apv-page .docs-prose ul li,
.apv-page .docs-prose ol li {
  margin-bottom: 6px;
}

.apv-page .docs-prose strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---- Section flag ---- */
.apv-page .apv-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.apv-page .apv-flag::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-accent);
}

/* ---- Chips ---- */
.apv-page .apv-chiprow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 6px;
}

.apv-page .apv-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.apv-page .apv-chip strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ---- Interactive flow diagram SVG ---- */
.apv-page .apv-diagram-shell {
  margin: 16px 0;
  padding: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.apv-page .apv-diagram-shell figcaption {
  padding: 8px 4px 0;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.apv-page .apv-diagram {
  width: 100%;
  height: auto;
  display: block;
}

/* annotations: visible on touch, hover/focus on pointer */
.apv-page .apv-diagram .apv-annot {
  opacity: 0.05;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

@media (hover: none) {
  .apv-page .apv-diagram .apv-annot { opacity: 0.85; }
}

@media (hover: hover) {
  .apv-page .apv-diagram .apv-node:hover ~ .apv-annot,
  .apv-page .apv-diagram .apv-node:focus ~ .apv-annot,
  .apv-page .apv-diagram .apv-node:hover + .apv-annot,
  .apv-page .apv-diagram .apv-node:focus + .apv-annot {
    opacity: 1;
  }
}

/* ---- Legend ---- */
.apv-page .apv-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.apv-page .apv-legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.apv-page .apv-legend .sw {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid var(--color-border);
}

/* ---- Stage tag ---- */
.apv-page .apv-stage-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---- Integration table — stacked cards on mobile ---- */
.apv-page .table-wrap {
  margin: 16px 0;
}

/* hide horizontal table on mobile; show stacked cards instead */
.apv-page .compare-table {
  display: none;
}

.apv-page .apv-stage-cards {
  display: grid;
  gap: 14px;
  max-width: 100%;
}

.apv-page .apv-stage-card {
  position: relative;
  max-width: 100%;
  min-width: 0;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: 20px 18px 18px;
  box-shadow: 0 1px 2px rgba(26,26,26,0.04), 0 4px 14px rgba(26,26,26,0.05);
  overflow-wrap: break-word;
  word-break: break-word;
  overflow: hidden;
}

.apv-page .apv-stage-card .apv-stage-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
}

.apv-page .apv-stage-card dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.apv-page .apv-stage-card dt {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 3px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(31,75,122,0.12);
}

.apv-page .apv-stage-card dd {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text);
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-stage-card dd code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  background: var(--color-bg);
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  word-break: break-all;
  overflow-wrap: break-word;
}

/* ---- Code blocks ---- */
.apv-page .apv-code {
  margin: 0 0 16px;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #f6f5f1 0%, #f3f2ef 100%);
  box-shadow: 0 1px 2px rgba(26,26,26,0.04);
  overflow: hidden;
}

.apv-page .apv-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, #efece6 0%, #ebe9e4 100%);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  min-width: 0;
}

.apv-page .apv-code-head > span {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-code pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  white-space: pre;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px 18px;
  tab-size: 2;
}

/* ---- Copy button ---- */
.apv-copy {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 36px;
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-surface);
  color: var(--color-accent);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.apv-copy:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.apv-copy.copied {
  border-color: #1e8e5a;
  color: #1e8e5a;
}

.apv-copy .apv-check     { display: none; }
.apv-copy.copied .apv-check   { display: inline; }
.apv-copy.copied .apv-copylbl { display: none; }

/* ---- Inline syntax highlight tokens ---- */
.apv-code code .tok-kw  { color: #8a3b8f; font-weight: 600; }
.apv-code code .tok-str { color: #1e6f3f; }
.apv-code code .tok-com { color: #7a7468; font-style: italic; }
.apv-code code .tok-num { color: #a5601a; }

/* ---- "What this proves" callout ---- */
.apv-page .apv-prove {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 8px;
  margin: 0 0 16px;
  max-width: 100%;
  min-width: 0;
  padding: 14px 18px;
  background: linear-gradient(180deg, #eef6f0 0%, #e6f2ec 100%);
  border: 1px solid #cfe4d6;
  border-left: 3px solid #1e8e5a;
  border-radius: var(--radius-card);
  color: #2f5d44;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-prove strong {
  color: #14563a;
  font-weight: 700;
  white-space: normal;
}

/* ---- Step-by-step flow ---- */
.apv-page .apv-flow {
  position: relative;
  margin: 20px 0 4px;
}

.apv-page .apv-flow::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, #1f4b7a, #e5e2dc);
  display: none;
}

.apv-page .apv-step {
  position: relative;
  max-width: 100%;
  min-width: 0;
  margin: 0 0 16px;
  padding: 20px 18px 18px;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  box-shadow: 0 1px 2px rgba(26,26,26,0.04), 0 6px 20px rgba(26,26,26,0.06);
  overflow-wrap: break-word;
  word-break: break-word;
  overflow: hidden;
}

/* step number badge */
.apv-page .apv-step::before {
  content: attr(data-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1f4b7a 0%, #2a6298 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  box-shadow: 0 2px 6px rgba(31,75,122,0.35);
}

.apv-page .apv-step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--color-text);
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-step p {
  margin: 0 0 12px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-playrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}

.apv-page .apv-playrow .apv-status {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* ---- Scroll reveal — visible by default, only animate if JS present ---- */
.js .apv-page .apv-reveal,
.js .apv-page .apv-step {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.js .apv-page .apv-reveal.in-view,
.js .apv-page .apv-step.in-view {
  opacity: 1;
  transform: none;
}

/* ---- 3D panel ---- */
.apv-page .apv-3d {
  position: relative;
  margin: 16px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #0a0a0a;
  color: #f3f3ef;
  overflow: hidden;
}

.apv-page .apv-3d-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 220px;
  width: 100%;
  overflow: hidden;
}

.apv-page .apv-3d canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.apv-page .apv-3d-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.apv-page .apv-3d[data-3d-ready="true"] .apv-3d-fallback {
  display: none;
}

.apv-page .apv-3d-note {
  position: absolute;
  left: 10px;
  bottom: 10px;
  max-width: 78%;
  padding: 6px 10px;
  background: rgba(10,10,10,.72);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  font-size: 0.7rem;
  line-height: 1.4;
  color: #a3a39c;
}

.apv-page .apv-3d-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid rgba(255,255,255,.12);
}

.apv-page .apv-3d-controls .apv-3d-fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  border: 0;
  padding: 0;
}

.apv-page .apv-3d-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 6px 14px;
  border: 1.5px solid rgba(255,255,255,.25);
  border-radius: var(--radius-button);
  background: transparent;
  color: #f3f3ef;
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.apv-page .apv-3d-toggle:hover {
  border-color: #fff;
}

.apv-page .apv-3d-toggle.is-on-without {
  background: rgba(179,38,30,.18);
  border-color: #b3261e;
}

.apv-page .apv-3d-toggle.is-on-with {
  background: rgba(30,142,90,.2);
  border-color: #1e8e5a;
}

.apv-page .apv-3d-toggle .apv-3d-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.apv-page .apv-3d-toggle[data-mode="without"] .apv-3d-dot { background: #b3261e; }
.apv-page .apv-3d-toggle[data-mode="with"]    .apv-3d-dot { background: #1e8e5a; }

.apv-page .apv-3d-status {
  font-size: 0.8125rem;
  color: #a3a39c;
}

.apv-page .apv-3d-status .st {
  color: #cfcfc8;
  font-weight: 600;
}

.apv-page .apv-3d-transport {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.apv-page .apv-3d-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 6px;
  background: rgba(255,255,255,.04);
  color: #cfcfc8;
  cursor: pointer;
  min-height: 36px;
  transition: background .15s, border-color .15s, color .15s;
}

.apv-page .apv-3d-btn:hover:not(:disabled) {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}

.apv-page .apv-3d-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.apv-page .apv-3d-play {
  background: #1e8e5a;
  border-color: #1e8e5a;
  color: #fff;
  font-weight: 600;
}

.apv-page .apv-3d-play:hover:not(:disabled) {
  background: #25a56a;
  border-color: #25a56a;
  color: #fff;
}

.apv-page .apv-3d-reset {
  background: transparent;
}

.apv-page .apv-3d-steps {
  list-style: none;
  padding: 0;
  margin: 10px 10px 0;
  display: grid;
  gap: 4px;
  font-size: 0.8125rem;
  color: #a3a39c;
}

.apv-page .apv-3d-steps li {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
  transition: background .2s, border-color .2s, color .2s;
}

.apv-page .apv-3d-steps li strong {
  color: #cfcfc8;
  font-weight: 600;
}

.apv-page .apv-3d-steps li.is-current {
  background: rgba(30,142,90,.14);
  border-color: rgba(30,142,90,.4);
  color: #f3f3ef;
}

.apv-page .apv-3d-steps li.is-current strong { color: #25a56a; }

.apv-page .apv-3d-steps li.is-done {
  background: rgba(74,144,217,.08);
  border-color: rgba(74,144,217,.2);
}

.apv-page .apv-3d-steps li.is-done strong { color: #4a90d9; }

.apv-page .apv-3d-steps li.is-skipped {
  opacity: 0.4;
  text-decoration: line-through;
  background: transparent;
  border-color: rgba(255,255,255,.05);
}

/* ---- Use-case cards grid ---- */
.apv-page .apv-usecase {
  display: grid;
  gap: 16px;
  margin: 0 0 16px;
  grid-template-columns: 1fr;
  max-width: 100%;
}

.apv-page .apv-uc-card {
  position: relative;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  padding: 22px 20px 20px;
  box-shadow: 0 1px 2px rgba(26,26,26,0.04), 0 6px 20px rgba(26,26,26,0.06);
  overflow-wrap: break-word;
  word-break: break-word;
  overflow: hidden;
}

.apv-page .apv-uc-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--color-text);
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-uc-card > p {
  margin: 0 0 14px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-uc-meta {
  margin: 0 0 16px;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--color-border);
}

.apv-page .apv-uc-meta li {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-uc-meta strong {
  color: var(--color-accent);
  font-weight: 700;
}

/* ---- Accordion FAQ ---- */
.apv-page .apv-accordion {
  margin: 20px 0 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 1px 2px rgba(26,26,26,0.04);
  max-width: 100%;
}

.apv-page details.apv-acc {
  border-bottom: 1px solid var(--color-border);
}

.apv-page details.apv-acc:last-of-type {
  border-bottom: 0;
}

.apv-page .apv-acc summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 48px 18px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.4;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: background-color 0.15s ease;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-acc summary:hover {
  background: var(--color-bg);
}

.apv-page .apv-acc summary::-webkit-details-marker { display: none; }

.apv-page .apv-acc summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -7px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.apv-page .apv-acc[open] summary::after {
  transform: rotate(-135deg) translateY(-2px);
}

.apv-page .apv-acc summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.apv-page .apv-acc .apv-acc-body {
  padding: 0 20px 18px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 46rem;
  overflow-wrap: break-word;
  word-break: break-word;
}

.apv-page .apv-acc .apv-acc-body p {
  margin: 0 0 10px;
}

.apv-page .apv-acc .apv-acc-body p:last-child { margin: 0; }

.apv-page .apv-acc .apv-acc-body code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  word-break: break-all;
}

/* ---- CTA section ---- */
.apv-page .apv-cta {
  margin: 0;
  padding: 28px 18px;
  background: #0a0a0a;
  color: #f3f3ef;
  border-radius: var(--radius-card);
}

.apv-page .apv-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #f3f3ef;
}

.apv-page .apv-cta p {
  margin: 0 0 20px;
  max-width: 34rem;
  color: #a3a39c;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.apv-page .apv-cta .pg-actions .btn-primary {
  background: #f3f3ef;
  border-color: #f3f3ef;
  color: #111;
}

.apv-page .apv-cta .pg-actions .btn-primary:hover {
  background: #fff;
  border-color: #fff;
}

.apv-page .apv-cta .pg-actions .btn-ghost {
  color: #a3a39c;
  border-color: rgba(255,255,255,.2);
}

.apv-page .apv-cta .pg-actions .btn-ghost:hover {
  color: #fff;
  border-color: rgba(255,255,255,.5);
}

.apv-page .apv-cta-links {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(255,255,255,.14);
  list-style: none;
  display: grid;
  gap: 8px;
  max-width: 34rem;
}

.apv-page .apv-cta-links li {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #a3a39c;
}

.apv-page .apv-cta-links a {
  color: #cfcfc8;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.apv-page .apv-cta-links a:hover {
  color: #fff;
}

/* ---- Visually hidden ---- */
.apv-page .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}


/* ====================================================================
   RESPONSIVE BREAKPOINTS (mobile-first, enhance upward)
   ==================================================================== */

/* ---- 480 px — small tablets / large phones ---- */
@media (min-width: 480px) {
  .apv-page .pg-splash {
    padding: 40px 0 48px;
  }

  .apv-page .pg-splash .container {
    padding: 0 20px;
  }

  .apv-page .pg-splash h1 {
    font-size: 2rem;
  }

  .apv-page .apv-hero-flow {
    opacity: 0.25;
  }

  .apv-page .breadcrumbs-wrap {
    padding: 16px 20px 0;
  }

  .apv-page .entity-def-wrap {
    padding: 18px 20px 0;
  }

  .apv-page .docs-layout-inner {
    padding: 0 20px;
  }

  .apv-page .docs-toc ol {
    columns: 2;
  }

  .apv-page .apv-cta {
    padding: 32px 24px;
  }

  .apv-page .apv-3d-controls .apv-3d-status {
    margin-left: auto;
  }
}

/* ---- 640 px — show the actual table, hide stacked cards ---- */
@media (min-width: 640px) {
  .apv-page .compare-table {
    display: table;
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    table-layout: auto;
  }

  .apv-page .compare-table thead {
    display: table-header-group;
  }

  .apv-page .compare-table tbody {
    display: table-row-group;
  }

  .apv-page .compare-table tr {
    display: table-row;
  }

  .apv-page .compare-table th {
    text-align: left;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    padding: 10px 14px;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
  }

  .apv-page .compare-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
    line-height: 1.5;
    vertical-align: top;
  }

  .apv-page .compare-table td:first-child {
    white-space: nowrap;
  }

  .apv-page .apv-stage-cards {
    display: none;
  }

  .apv-page .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ---- 768 px — tablet / small desktop ---- */
@media (min-width: 768px) {
  .apv-page .pg-splash {
    padding: 56px 0 64px;
  }

  .apv-page .pg-splash h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
  }

  .apv-page .pg-splash .lead {
    font-size: 1.0625rem;
  }

  .apv-page .apv-hero-flow {
    opacity: 0.35;
    width: 46%;
  }

  /* side rail + content */
  .apv-page .docs-layout-inner {
    grid-template-columns: 220px 1fr;
    gap: 32px;
    padding: 0 24px;
  }

  .apv-page .docs-rail {
    order: 0;
  }

  .apv-page .docs-toc {
    position: sticky;
    top: 80px;
    border-radius: var(--radius-card);
  }

  .apv-page .docs-toc ol {
    columns: 1;
  }

  .apv-page .docs-toc a {
    font-size: 0.8125rem;
  }

  .apv-page .docs-section {
    padding: 28px 0;
  }

  /* flow timeline visible */
  .apv-page .apv-flow {
    padding-left: 32px;
  }

  .apv-page .apv-flow::before {
    display: block;
  }

  .apv-page .apv-step {
    padding: 18px 20px;
  }

  .apv-page .apv-step::before {
    position: absolute;
    left: -42px;
    top: 14px;
    margin-bottom: 0;
  }

  .apv-page .apv-usecase {
    grid-template-columns: repeat(2, 1fr);
  }

  .apv-page .apv-cta {
    padding: 40px 32px;
  }

  .breadcrumbs-wrap,
  .entity-def-wrap {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* ---- 1024 px — desktop ---- */
@media (min-width: 1024px) {
  .apv-page .docs-layout-inner {
    grid-template-columns: 260px 1fr;
    gap: 36px;
  }

  .apv-page .apv-hero-flow {
    opacity: 0.45;
  }

  .apv-page .apv-usecase {
    grid-template-columns: repeat(3, 1fr);
  }

  .apv-page .table-wrap {
    overflow-x: visible;
  }
}


/* ====================================================================
   Reduced motion
   ==================================================================== */
@media (prefers-reduced-motion: reduce) {
  .apv-hero-flow .hf-node,
  .apv-hero-flow .hf-link,
  .apv-page .apv-step,
  .apv-page .apv-reveal {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .apv-page .apv-flow::before { transition: none; }
  .apv-canvas-wrap { display: none; }
}