/* ==========================================================================
   Apiro — sub-pages: how it works, docs, pricing, whitepaper
   ========================================================================== */

/* ---------- Prose ---------- */
.prose { color: var(--ink-2); font-size: 1.02rem; line-height: 1.75; }
.prose > * + * { margin-top: 1.05em; }
.prose h2 { margin-top: 2.4em; font-size: clamp(1.5rem, 2.8vw, 2rem); color: var(--ink); scroll-margin-top: calc(var(--header-h) + 24px); }
.prose h3 { margin-top: 2em; font-size: clamp(1.12rem, 1.8vw, 1.3rem); color: var(--ink); scroll-margin-top: calc(var(--header-h) + 24px); }
.prose h2 + *, .prose h3 + * { margin-top: 0.7em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose strong { color: var(--ink); }
.prose .code, .prose .table-wrap, .prose .callout { margin-top: 1.5em; margin-bottom: 0.4em; }
.prose hr { border: 0; height: 1px; background: var(--border); margin-block: 2.6em; }
.prose blockquote { padding-left: 18px; border-left: 3px solid var(--violet); color: var(--ink); font-style: normal; }
/* Long inline code (endpoint paths, field names) must wrap on narrow screens */
.prose :not(pre) > code, .doc-section :not(pre) > code, h1 code, h2 code, h3 code { white-space: normal; overflow-wrap: anywhere; }

/* ---------- Flow diagram (how it works) ---------- */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; counter-reset: flow; }
.flow-step { position: relative; padding: 18px 16px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.flow-step::before {
  counter-increment: flow; content: counter(flow, decimal-leading-zero);
  display: block; margin-bottom: 10px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--link);
}
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -10px; z-index: 1;
  width: 8px; height: 8px; border-top: 2px solid var(--ink-3); border-right: 2px solid var(--ink-3);
  transform: translateY(-50%) rotate(45deg);
}
.flow-step h3 { font-size: 0.98rem; }
.flow-step p { margin-top: 6px; font-size: 0.85rem; color: var(--ink-2); }
.flow-step--accent { border: 1.5px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-brand) border-box; }
@media (max-width: 980px) {
  .flow { grid-template-columns: 1fr; }
  .flow-step:not(:last-child)::after { top: auto; bottom: -11px; right: 50%; transform: translateX(50%) rotate(135deg); }
}

/* ---------- Verdict scale ---------- */
.verdict-scale { display: grid; grid-template-columns: 25fr 20fr 25fr 30fr; gap: 4px; margin-top: 8px; }
.verdict-scale > div { padding: 14px 14px 12px; border-radius: 10px; min-width: 0; }
.verdict-scale .v-crit { background: var(--crit-bg); color: var(--crit); }
.verdict-scale .v-high { background: var(--high-bg); color: var(--high); }
.verdict-scale .v-warn { background: var(--warn-bg); color: var(--warn); }
.verdict-scale .v-ok { background: var(--ok-bg); color: var(--ok); }
.verdict-scale b { display: block; font-family: var(--font-mono); font-size: 0.85rem; overflow-wrap: anywhere; }
.verdict-scale span { font-family: var(--font-mono); font-size: 0.75rem; opacity: 0.85; }
@media (max-width: 640px) { .verdict-scale { grid-template-columns: 1fr 1fr; } }

.score-model { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.formula {
  padding: 20px; border-radius: var(--radius); background: var(--code-bg); border: 1px solid var(--code-border);
  font-family: var(--font-mono); font-size: 0.92rem; line-height: 1.9; color: var(--code-ink); overflow-x: auto;
}
.formula .tk-com { display: block; }
@media (max-width: 900px) { .score-model { grid-template-columns: 1fr; } }

/* ---------- Signal detail rows ---------- */
.signal-detail {
  display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr); gap: 20px clamp(28px, 5vw, 64px);
  padding-block: clamp(36px, 5vw, 56px); border-top: 1px solid var(--border);
  scroll-margin-top: var(--header-h);
}
.signal-detail:first-child { border-top: 0; padding-top: 0; }
.signal-detail-head .signal-index { font-size: 0.8rem; }
.signal-detail-head h3 { margin-top: 8px; font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.signal-detail-head .signal-code { display: inline-block; margin-top: 10px; font-size: 0.8rem; }
.thresholds { display: grid; gap: 8px; margin-top: 20px; }
.thresholds div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 10px 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); font-size: 0.86rem; }
.thresholds dt { color: var(--ink-2); }
.thresholds dd { margin: 0; font-family: var(--font-mono); font-weight: 600; color: var(--ink); text-align: right; }
.signal-detail-body > p { color: var(--ink-2); }
.signal-detail-body > p + p { margin-top: 12px; }
.evidence { margin-top: 20px; padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.evidence-title { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; margin-bottom: 12px; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); }
.evidence-title span { text-transform: none; letter-spacing: 0; }
.evidence .bar { grid-template-columns: 120px minmax(0, 1fr) 64px; }
.evidence .bar + .bar { margin-top: 0; }
.bar--crit .bar-fill { background: var(--crit-solid); }
.bar--muted .bar-fill { background: var(--border-strong); }
.bar--muted span:first-child { font-style: italic; }
.evidence-foot { margin-top: 12px; font-size: 0.82rem; color: var(--ink-3); }
.callout--highlight {
  border: 1.5px solid transparent;
  background: linear-gradient(var(--bg-tint), var(--bg-tint)) padding-box, var(--grad-brand) border-box;
}
.tiered { display: grid; gap: 8px; }
.tiered div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; align-items: baseline; font-size: 0.9rem; color: var(--ink-2); }
@media (max-width: 860px) { .signal-detail { grid-template-columns: 1fr; } }
@media (max-width: 480px) {
  .evidence .bar { grid-template-columns: 84px minmax(0, 1fr) 54px; }
  .tiered div { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- Annotated example ---------- */
.annotated { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(20px, 3vw, 36px); align-items: start; }
.annotated .code { position: sticky; top: calc(var(--header-h) + 16px); }
.notes { display: grid; gap: 12px; counter-reset: note; }
.note { padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.note h3 { display: flex; align-items: center; gap: 10px; font-size: 1rem; }
.note h3::before {
  counter-increment: note; content: counter(note);
  display: grid; place-items: center; flex: none; width: 24px; height: 24px; border-radius: 50%;
  font-family: var(--font-mono); font-size: 0.75rem; color: #fff; background: var(--grad-button);
}
.note p { margin-top: 8px; font-size: 0.92rem; color: var(--ink-2); }
@media (max-width: 960px) { .annotated { grid-template-columns: 1fr; } .annotated .code { position: static; } }

/* ---------- Roadmap ---------- */
.roadmap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.roadmap-item { display: flex; flex-direction: column; gap: 10px; padding: 22px; border-radius: var(--radius); border: 1px dashed var(--border-strong); background: var(--surface); }
.roadmap-item h3 { font-size: 1.05rem; }
.roadmap-item p { font-size: 0.92rem; color: var(--ink-2); }
@media (max-width: 1000px) { .roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .roadmap { grid-template-columns: 1fr; } }

.limits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 900px) { .limits { grid-template-columns: 1fr; } }

/* ---------- Docs layout ---------- */
.page-hero--compact { padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 44px); }
.page-hero--compact h1 { max-width: none; }
.base-url { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 22px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.base-url .label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3); }
.doc-layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: clamp(32px, 5vw, 64px); padding-block: clamp(32px, 5vw, 56px) clamp(64px, 8vw, 110px); }
.doc-sidebar { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; max-height: calc(100vh - var(--header-h) - 48px); overflow-y: auto; scrollbar-width: thin; }
@media (min-width: 961px) { .doc-toc[open] > summary { display: none !important; } }
.doc-toc > summary {
  display: block; list-style: none; cursor: pointer;
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  font-weight: 600; font-size: 0.92rem;
}
.doc-toc > summary::-webkit-details-marker { display: none; }
.doc-toc > summary::after { content: "▾"; float: right; color: var(--ink-3); }
.doc-nav-group + .doc-nav-group { margin-top: 22px; }
.doc-nav-group h2 { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; }
.doc-nav-group ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 1px; }
.doc-nav-group a {
  position: relative; display: block; padding: 6px 10px; border-radius: 8px;
  color: var(--ink-2); font-size: 0.9rem; text-decoration: none;
}
.doc-nav-group a:hover { color: var(--ink); background: var(--bg-tint); }
.doc-nav-group a.is-active { color: var(--ink); background: var(--bg-tint); font-weight: 600; }
.doc-nav-group a.is-active::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 2px; border-radius: 2px; background: var(--grad-brand); }
.doc-nav-group code { font-size: 0.8em; background: none; border: 0; padding: 0; }

.doc-content { min-width: 0; max-width: 820px; }
.doc-section { scroll-margin-top: calc(var(--header-h) + 20px); padding-top: 12px; }
.doc-section + .doc-section { margin-top: clamp(44px, 6vw, 64px); padding-top: clamp(44px, 6vw, 64px); border-top: 1px solid var(--border); }
.doc-section > h2 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); }
.doc-section h3 { margin-top: 32px; font-size: 1.1rem; scroll-margin-top: calc(var(--header-h) + 20px); }
.doc-section > p, .doc-section > ul, .doc-section > ol { margin-top: 12px; color: var(--ink-2); }
.doc-section > ul, .doc-section > ol { padding-left: 1.2em; }
.doc-section li + li { margin-top: 6px; }
.doc-section .code, .doc-section .table-wrap, .doc-section .callout, .doc-section .verdict-scale { margin-top: 16px; }

.endpoint-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; margin-top: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.method-badge { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700; padding: 3px 8px; border-radius: 6px; }
.method-badge--get { background: var(--ok-bg); color: var(--ok); }
.method-badge--post { background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--link); }
.endpoint-path { font-family: var(--font-mono); font-size: 0.92rem; font-weight: 600; color: var(--ink); overflow-wrap: anywhere; }
.endpoint-head .badge { margin-left: auto; }

@media (max-width: 960px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-sidebar { position: static; max-height: none; overflow: visible; }
  .doc-toc > summary { display: block; }
  .doc-toc[open] > summary { border-radius: 12px 12px 0 0; }
  .doc-toc .doc-nav { padding: 16px 14px; border: 1px solid var(--border); border-top: 0; border-radius: 0 0 12px 12px; background: var(--surface); }
}

/* ---------- Pricing page ---------- */
.why-flat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.meter-compare { display: grid; gap: 12px; }
.meter { padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.meter h3 { font-size: 1rem; }
.meter p { margin-top: 6px; font-size: 0.92rem; color: var(--ink-2); }
.meter--good { border: 1.5px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad-brand) border-box; }
@media (max-width: 900px) { .why-flat { grid-template-columns: 1fr; } }

/* ---------- Whitepaper ---------- */
.paper-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); padding-block: clamp(32px, 5vw, 56px) clamp(64px, 8vw, 110px); }
.paper { max-width: 740px; min-width: 0; }
.paper .prose > h2:first-child { margin-top: 0; }
.paper-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-3); }
.paper-abstract { padding: 22px 24px; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--border); }
.paper-abstract h2 { margin-top: 0 !important; font-size: 1rem; font-family: var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.read-progress { position: fixed; top: var(--header-h); left: 0; right: 0; z-index: 49; height: 2px; background: transparent; pointer-events: none; }
.read-progress span { display: block; height: 100%; width: 0; background: var(--grad-brand); }
@media (max-width: 960px) {
  .paper-layout { grid-template-columns: 1fr; gap: 24px; }
}