/* Insights ARTICLE page-type (/insights/<slug>). Prefix: ia-
   Shared by every article under src/pages/insights/. Dark hero → light body
   (prose + sticky sidebar: scroll-spy TOC, key figures, takeaways) → dark
   closing block (product referral OR plain CTA) → footer.
   Behaviour: js/insights-article.js.
   Palette: --ax-ink (#020C10), --ax-ink-2 (#04141B), --ax-mist (#F2F5F6),
   --ax-turquoise, --ax-turquoise-ink (#0B7F74). */

.ia-root { position: relative; background: var(--ax-ink-2); color: #fff; font-family: var(--font-text); overflow: hidden; }
.ia-nav-wrap { position: relative; z-index: 20; margin-bottom: -78px; }

.mono { font-family: 'IBM Plex Mono', monospace; }
.glimmer-edge { height: 2px; background: linear-gradient(to right, transparent, rgba(26,206,188,.75), transparent); }

/* Shared dark-media treatment (masked topo image, washes, scrim) */
.ia-wash1 { position: absolute; inset: 0; mix-blend-mode: multiply; pointer-events: none; }
.ia-wash2 { position: absolute; inset: 0; background: radial-gradient(90% 90% at 88% 12%, rgba(26,206,188,.22), transparent 62%); pointer-events: none; }
.ia-scrim { position: absolute; inset: 0; background:
  linear-gradient(to bottom, #020C10 0%, #020C10 14%, rgba(2,12,16,.72) 22%, rgba(2,12,16,.32) 32%, transparent 44%),
  radial-gradient(115% 100% at 52% 42%, rgba(2,12,16,.12) 0%, rgba(2,12,16,.56) 62%, rgba(2,12,16,.8) 100%); pointer-events: none; }

/* ---------- HERO ---------- */
.ia-hero { position: relative; overflow: hidden;
  background-image: linear-gradient(rgba(26,206,188,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(26,206,188,.05) 1px, transparent 1px);
  background-size: 48px 48px; }
.ia-hero__media { position: absolute; top: 0; right: 1.5%; width: 46%; height: 88%; max-height: 560px; overflow: hidden; pointer-events: none; z-index: 1;
  -webkit-mask-image: radial-gradient(130% 130% at 95% 6%, #000 30%, transparent 78%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 12%);
  mask-image: radial-gradient(130% 130% at 95% 6%, #000 30%, transparent 78%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 12%);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
.ia-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: brightness(1.28) saturate(1.08); }
.ia-hero__media .ia-wash1 { background: linear-gradient(200deg, rgba(4,20,27,0), rgba(2,12,16,.24) 66%, var(--ax-ink) 100%); }
.ia-hero__inner { position: relative; z-index: 2; max-width: 1560px; margin: 0 auto 0 6vw;
  padding: clamp(120px, 16vw, 200px) clamp(24px, 4vw, 56px) clamp(88px, 12vw, 104px); }
.ia-hero__back { font-size: 12px; letter-spacing: .14em; color: rgba(255,255,255,.6); display: inline-flex; align-items: center; gap: 8px; margin-bottom: 30px; }
.ia-hero__back:hover { color: var(--ax-turquoise); }
.ia-hero__back svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.ia-hero__eyebrow { font-size: 12px; letter-spacing: .22em; color: var(--ax-turquoise); margin: 0 0 26px; }
.ia-hero__title { font-family: var(--font-display); font-weight: 300; font-size: clamp(40px, 5.6vw, 68px); line-height: 1; letter-spacing: -.02em; margin: 0; max-width: 16ch; }
.ia-hero__dek { font-weight: 300; font-size: clamp(17px, 2vw, 20px); line-height: 1.6; color: rgba(255,255,255,.82); max-width: 58ch; margin: 26px 0 0; }
.ia-hero__byline { display: flex; align-items: center; gap: 16px; margin-top: 38px; }
.ia-hero__avatar { width: 48px; height: 48px; border-radius: 999px; object-fit: cover; object-position: 50% 22%; border: 1px solid rgba(26,206,188,.4); flex: none; }
.ia-hero__meta { font-size: 12px; letter-spacing: .06em; color: rgba(255,255,255,.7); }
.ia-hero__credit { font-size: 10.5px; letter-spacing: .12em; color: rgba(255,255,255,.42); margin: 26px 0 0; }
.ia-hero__credit a { color: rgba(255,255,255,.62); }

/* ---------- BODY ---------- */
.ia-body-wrap { background: var(--ax-mist); color: var(--ax-ink-2); }
.ia-body { max-width: 1180px; margin: 0 auto; padding: clamp(48px, 7vw, 72px) clamp(24px, 4vw, 56px) clamp(72px, 10vw, 100px); display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: clamp(40px, 5vw, 72px); align-items: start; }

/* Prose */
.ia-prose { max-width: 720px; }
.ia-prose p { font-size: 17px; line-height: 1.78; color: rgba(4,20,27,.76); margin: 0 0 26px; font-weight: 300; text-wrap: pretty; }
.ia-prose h2 { font-family: var(--font-display); font-weight: 300; font-size: clamp(26px, 3.4vw, 32px); line-height: 1.18; margin: 60px 0 20px; color: var(--ax-ink-2); }
.ia-prose h2 .mono { font-size: 13px; letter-spacing: .2em; color: var(--ax-turquoise-ink); display: block; margin-bottom: 12px; font-weight: 400; }
.ia-prose h3 { font-family: var(--font-display); font-weight: 300; font-size: 23px; line-height: 1.25; margin: 44px 0 14px; color: var(--ax-ink-2); }
.ia-prose h3 .num { font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: .2em; color: var(--ax-turquoise-ink); display: block; margin-bottom: 10px; }
.ia-prose a { color: var(--ax-turquoise-ink); text-decoration: underline; text-underline-offset: 3px; }
.ia-prose strong { color: var(--ax-ink-2); font-weight: 600; }
.ia-prose ul { margin: 0 0 26px; padding: 0; list-style: none; }
.ia-prose li { position: relative; padding-left: 30px; margin-bottom: 14px; font-size: 16.5px; line-height: 1.7; color: rgba(4,20,27,.76); font-weight: 300; }
.ia-prose li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 12px; border: 1.5px solid var(--ax-turquoise-ink); border-radius: 999px; }
.ia-source { margin-top: 44px; padding-top: 26px; border-top: 1px solid rgba(4,20,27,.14); font-size: 14.5px; color: rgba(4,20,27,.55); }
.ia-prose .ia-fn { font-size: .78em; vertical-align: super; text-decoration: none; }
.ia-refs { margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(4,20,27,.12); }
.ia-refs__label { font-size: 11px; letter-spacing: .18em; color: rgba(4,20,27,.49); margin: 0 0 16px; }
.ia-refs ol { margin: 0; padding-left: 22px; font-size: 13.5px; line-height: 1.75; color: rgba(4,20,27,.6); }
.ia-refs a { color: var(--ax-turquoise-ink); text-decoration: underline; text-underline-offset: 3px; }

.ia-pullquote { margin: 44px 0; padding: 8px 0 8px 34px; border-left: 2px solid var(--ax-turquoise-ink); }
.ia-pullquote p { font-family: var(--font-display); font-weight: 300; font-size: clamp(23px, 3vw, 29px); line-height: 1.32; color: var(--ax-ink-2); margin: 0; }
.ia-pullquote cite { display: block; margin-top: 20px; font-family: 'IBM Plex Mono', monospace; font-style: normal; font-size: 12px; letter-spacing: .14em; color: var(--ax-turquoise-ink); }

.ia-callout { margin: 40px 0; border: 1px solid rgba(26,206,188,.5); border-radius: 10px; padding: 30px 32px; background: #fff; box-shadow: 0 1px 2px rgba(4,20,27,.06); }
.ia-callout__label { font-size: 12px; letter-spacing: .16em; color: var(--ax-turquoise-ink); margin: 0 0 14px; }
.ia-callout p { font-size: 17px; line-height: 1.65; color: rgba(4,20,27,.78); margin: 0; font-weight: 300; }
.ia-callout strong { color: var(--ax-turquoise-ink); font-weight: 500; }

/* Numbered list (used in callouts and the product referral) */
.ia-numlist { display: flex; flex-direction: column; gap: 18px; }
.ia-numlist__item { display: flex; gap: 16px; align-items: baseline; }
.ia-num { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; letter-spacing: .14em; color: var(--ax-turquoise-ink); flex: none; }
.ia-numlist__item p { font-size: 16.5px; line-height: 1.65; color: rgba(4,20,27,.78); margin: 0; font-weight: 300; }

/* Sidebar */
.ia-side { display: flex; flex-direction: column; gap: 20px; }
.ia-toc { position: sticky; top: 96px; z-index: 2; background: var(--ax-mist); padding-bottom: 10px; }
.ia-toc__label { font-size: 11px; letter-spacing: .18em; color: rgba(4,20,27,.49); margin: 0 0 16px; }
.ia-toc__rail { position: relative; padding-left: 18px; }
.ia-toc__line { position: absolute; left: 0; top: 6px; bottom: 6px; width: 1px; background: rgba(4,20,27,.14); }
.ia-toc__fill { position: absolute; left: 0; top: 6px; width: 1px; height: 0; background: var(--ax-turquoise-ink); transition: height .12s linear; }
.ia-tocl { display: flex; gap: 9px; align-items: baseline; font-size: 13.5px; font-weight: 300; line-height: 1.4; color: rgba(4,20,27,.55); padding: 7px 0; transition: color .18s ease; }
.ia-tocl .mono { font-size: 10.5px; letter-spacing: .14em; color: rgba(4,20,27,.35); transition: color .18s ease; }
.ia-tocl.tocs { padding-left: 0; }
.ia-tocl:hover { color: var(--ax-turquoise-ink); }
.ia-tocl.on { color: var(--ax-turquoise-ink); font-weight: 500; }
.ia-tocl.on .mono { color: var(--ax-turquoise-ink); }
.ia-tocl .ia-tocl__q { color: var(--ax-turquoise-ink); margin-right: 8px; }

.ia-side__label { font-size: 11px; letter-spacing: .18em; color: rgba(4,20,27,.49); border-top: 1px solid rgba(4,20,27,.12); padding-top: 22px; margin: 0; }
.ia-side__note { font-size: 14.5px; font-weight: 300; line-height: 1.6; color: rgba(4,20,27,.64); margin: 14px 0 0; }

.ia-fig { border: 1px solid rgba(4,20,27,.12); border-radius: 10px; padding: 24px 22px; background: #fff; transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease; }
.ia-fig:hover { border-color: rgba(26,206,188,.9); box-shadow: 0 0 0 1px rgba(26,206,188,.35), 0 14px 34px rgba(4,20,27,.1); transform: translateY(-4px); }
.ia-fig--accent { background: rgba(26,206,188,.06); box-shadow: 0 0 0 1px rgba(26,206,188,.3), 0 14px 34px rgba(4,20,27,.1); }
.ia-fig__stat { font-family: var(--font-display); font-weight: 300; font-size: 46px; line-height: 1; color: var(--ax-ink-2); }
.ia-fig--accent .ia-fig__stat { color: var(--ax-turquoise-ink); }
.ia-fig__unit { font-size: 24px; color: var(--ax-turquoise-ink); }
.ia-fig__desc { font-size: 14px; font-weight: 300; color: rgba(4,20,27,.64); margin: 12px 0 0; line-height: 1.5; }
.ia-fig--accent .ia-fig__desc { color: rgba(4,20,27,.76); }
.ia-fig__label { font-size: 11px; letter-spacing: .18em; color: rgba(4,20,27,.55); margin: 0 0 14px; }
.ia-fig__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ia-chip { font-size: 13px; font-weight: 500; color: var(--ax-ink-2); border: 1px solid rgba(4,20,27,.16); border-radius: 999px; padding: 6px 13px; }
.ia-fig__note { font-size: 14px; font-weight: 300; color: rgba(4,20,27,.7); margin: 14px 0 0; line-height: 1.5; }
.ia-fig__steps { display: flex; flex-direction: column; }
.ia-fig__step { display: flex; gap: 14px; align-items: baseline; padding: 14px 0; border-top: 1px solid rgba(4,20,27,.12); }
.ia-fig__step:last-child { border-bottom: 1px solid rgba(4,20,27,.12); }
.ia-fig__step-title { font-size: 15px; font-weight: 500; color: var(--ax-ink-2); }
.ia-fig__step-desc { font-size: 13px; font-weight: 300; color: rgba(4,20,27,.62); margin: 3px 0 0; line-height: 1.5; }

.ia-sq { border-left: 2px solid var(--ax-turquoise-ink); padding: 4px 0 4px 20px; margin-top: 28px; }
.ia-sq .mono { display: block; font-size: 10.5px; letter-spacing: .18em; color: rgba(4,20,27,.42); margin-bottom: 12px; }
.ia-sq h4 { font-family: var(--font-display); font-weight: 300; font-size: 19px; line-height: 1.25; color: var(--ax-ink-2); margin: 0 0 8px; }
.ia-sq p { font-size: 15px; font-weight: 300; line-height: 1.6; color: rgba(4,20,27,.78); margin: 0; text-wrap: pretty; }

.ia-side__cta { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-size: 13px; font-weight: 500; color: var(--ax-black); background: var(--ax-turquoise); border-radius: 999px; padding: 13px 22px; box-shadow: none; margin-top: 4px; }
.ia-side__cta svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* ---------- CASE STUDY: OUTCOMES BAND (dark) ---------- */
.ia-outcomes { background: var(--ax-ink); }
.ia-outcomes__inner { max-width: 1560px; margin: 0 auto 0 6vw; padding: clamp(44px, 7vw, 64px) clamp(24px, 4vw, 56px) clamp(48px, 8vw, 68px); }
.ia-outcomes__label { font-size: 10.5px; letter-spacing: .18em; color: var(--ax-turquoise); margin: 0 0 36px; }
.ia-outcomes__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; }
.ia-outcome__stat { font-family: var(--font-display); font-weight: 300; font-size: clamp(34px, 3vw, 48px); line-height: 1; color: var(--ax-turquoise); }
.ia-outcome__desc { font-weight: 300; font-size: 14px; line-height: 1.55; color: rgba(255,255,255,.76); margin: 12px 0 0; text-wrap: pretty; }

/* ---------- CASE STUDY: AT A GLANCE (sidebar) ---------- */
.ia-glance { margin: 14px 0 0; }
.ia-fact { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 12px 0; border-top: 1px solid rgba(4,20,27,.12); }
.ia-fact dt { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; letter-spacing: .14em; color: rgba(4,20,27,.45); padding-top: 3px; }
.ia-fact dd { margin: 0; font-size: 14.5px; font-weight: 300; line-height: 1.55; color: rgba(4,20,27,.8); }

/* ---------- CLOSING: PRODUCT REFERRAL ---------- */
.ia-product { position: relative; overflow: hidden; background: var(--ax-ink); color: #fff; }
.ia-product__media { position: absolute; top: 0; right: 1.5%; width: 30%; height: 80%; max-height: 560px; overflow: hidden; pointer-events: none;
  -webkit-mask-image: radial-gradient(110% 120% at 100% 4%, #000 18%, transparent 66%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 30%);
  mask-image: radial-gradient(110% 120% at 100% 4%, #000 18%, transparent 66%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 30%);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
.ia-product__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: brightness(1.62) saturate(1.2); }
.ia-product__media .ia-wash1 { background: linear-gradient(200deg, rgba(4,20,27,.34), rgba(2,12,16,.4) 66%, var(--ax-ink) 100%); }
.ia-product__inner { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: clamp(72px, 10vw, 104px) clamp(24px, 4vw, 56px); }
.ia-product__eyebrow { font-size: 12px; letter-spacing: .22em; color: var(--ax-turquoise); margin: 0 0 26px; }
.ia-product__grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); gap: clamp(40px, 5vw, 64px); align-items: start; }
.ia-product__title { font-family: var(--font-display); font-weight: 300; font-size: clamp(32px, 4.4vw, 42px); line-height: 1.08; letter-spacing: -.01em; margin: 0; max-width: 22ch; }
.ia-product__title .hl { color: var(--ax-turquoise); text-shadow: 0 0 32px rgba(26,206,188,.6); }
.ia-product__lead { font-weight: 300; font-size: 18px; line-height: 1.65; color: rgba(255,255,255,.78); max-width: 52ch; margin: 22px 0 0; }
.ia-product__sub { font-weight: 300; font-size: 15.5px; line-height: 1.6; color: rgba(255,255,255,.58); max-width: 50ch; margin: 20px 0 0; }
.ia-product__btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.ia-product__aside-label { font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.45); margin: 0 0 18px; }
.ia-product__list { display: flex; flex-direction: column; }
.ia-product__item { display: flex; gap: 16px; align-items: baseline; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.12); }
.ia-product__item:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.ia-product__item .ia-num { color: var(--ax-turquoise); }
.ia-product__item-title { font-size: 15.5px; font-weight: 500; }
.ia-product__item-desc { font-size: 13.5px; font-weight: 300; color: rgba(255,255,255,.6); margin: 4px 0 0; line-height: 1.5; }

/* ---------- CLOSING: PLAIN CTA ---------- */
.ia-cta { position: relative; overflow: hidden; text-align: center; background: var(--ax-ink); color: #fff; }
.ia-cta__media { position: absolute; top: 0; right: 1.5%; width: 42%; height: 80%; max-height: 560px; overflow: hidden; pointer-events: none;
  -webkit-mask-image: radial-gradient(130% 130% at 95% 6%, #000 30%, transparent 78%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 12%);
  mask-image: radial-gradient(130% 130% at 95% 6%, #000 30%, transparent 78%), linear-gradient(to left, transparent 0, #000 14%), linear-gradient(to right, transparent 0, #000 12%);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
.ia-cta__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: brightness(1.62) saturate(1.2); }
.ia-cta__media .ia-wash1 { background: linear-gradient(200deg, rgba(4,20,27,0), rgba(2,12,16,.24) 66%, var(--ax-ink) 100%); }
.ia-cta__inner { position: relative; z-index: 2; padding: clamp(80px, 11vw, 110px) clamp(24px, 5vw, 40px); }
.ia-cta__eyebrow { font-size: 12px; letter-spacing: .22em; color: var(--ax-turquoise); margin: 0 0 22px; }
.ia-cta__title { font-family: var(--font-display); font-weight: 300; font-size: clamp(32px, 4.4vw, 44px); line-height: 1.1; margin: 0 auto; text-shadow: 0 0 40px rgba(26,206,188,.25); max-width: 24ch; }
.ia-cta__title .hl { color: var(--ax-turquoise); text-shadow: 0 0 32px rgba(26,206,188,.6); }
.ia-cta__lead { font-weight: 300; font-size: 18px; line-height: 1.65; color: rgba(255,255,255,.78); max-width: 56ch; margin: 22px auto 0; }
.ia-cta__btns { display: flex; justify-content: center; margin-top: 36px; }

/* ---------- BUTTONS ---------- */
.ia-btn { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; border-radius: var(--r-pill); padding: 15px 30px; transition: border-color .2s ease, background .2s ease; }
.ia-btn--primary { color: var(--ax-black); background: var(--ax-turquoise); box-shadow: none; }
.ia-btn--ghost { color: #fff; border: 1px solid rgba(26,206,188,.45); }
.ia-btn--ghost:hover { border-color: rgba(26,206,188,.95); background: rgba(26,206,188,.1); }
.ia-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* ---------- REVEAL ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .ia-body { grid-template-columns: minmax(0,1fr); }
  .ia-toc { position: static; }
  .ia-sq { margin-top: 28px !important; }
}
@media (max-width: 900px) {
  .ia-product__grid { grid-template-columns: minmax(0,1fr); gap: 40px; }
}
@media (max-width: 820px) { .ia-outcomes__grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 34px; } }
@media (max-width: 520px) { .ia-outcomes__grid { grid-template-columns: minmax(0,1fr); } }