/*
  Insights: the homepage carousel, the /insights listing and the article
  pages. Built only from the site's own tokens (v2.css, dark.css), so it
  follows the live theme: serif headlines, iris accents, soft 8px corners
  and pill controls. Pages are generated by scripts/build-insights.mjs.
*/
.ins-feature__title, .ins-card__title, .ins-model__label { margin: 0; }
.ins-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; }
.ins-page main { display: block; }

/* Shared bits */
.ins-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font: 600 0.74rem/1.4 var(--sans); letter-spacing: 0.04em; color: var(--muted); }
.ins-meta__cat { font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.66rem; color: var(--copper); text-decoration: none; position: relative; z-index: 2; padding: 4px 0; }
.ins-meta__cat:hover { text-decoration: underline; text-underline-offset: 3px; }
.ins-meta__flag { color: var(--rose); font-weight: 500; }
.ins-draft { display: inline-flex; align-self: start; width: max-content; font: 700 0.6rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--rose); border: 1px dashed rgba(213, 177, 168, .6); border-radius: 99px; padding: 6px 10px; }
.ins-round { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line); display: inline-grid; place-items: center; color: var(--ink); font-size: 1.1rem; transition: background .25s, color .25s, border-color .25s; }
.ins-round:hover:not(:disabled) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ins-round:disabled { opacity: .35; cursor: default; }

/* Homepage carousel */
.ins-home { padding: clamp(70px, 10vw, 140px) var(--g) clamp(60px, 8vw, 110px); background: var(--paper-2); border-top: 1px solid var(--line); }
.ins-home__head { display: flex; justify-content: space-between; align-items: end; gap: 24px var(--g); flex-wrap: wrap; margin-bottom: clamp(32px, 4vw, 52px); }
.ins-home__intro { margin-top: 16px; }
.ins-carousel__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; gap: 16px; overscroll-behavior-x: contain; }
.ins-carousel__track::-webkit-scrollbar { display: none; }
.ins-carousel.is-enhanced .ins-carousel__track { gap: 0; }
.ins-slide { flex: 0 0 100%; scroll-snap-align: start; min-width: 0; }
.ins-carousel:not(.is-enhanced) .ins-slide { flex-basis: min(88%, 1100px); }
.ins-feature { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.ins-feature__art { display: block; border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--night); }
.ins-feature__art img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.ins-feature:hover .ins-feature__art img { transform: scale(1.025); }
.ins-feature__body { display: grid; gap: 16px; justify-items: start; padding-right: 4px; }
.ins-feature__title { font: 400 clamp(1.9rem, 1.2rem + 2vw, 3.2rem)/1.02 var(--serif); letter-spacing: -0.015em; color: var(--ink); }
.ins-feature__title a { text-decoration: none; }
.ins-feature__title a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.ins-feature__excerpt { color: var(--ink-body); max-width: 34em; }
.ins-feature__cta { margin-top: 6px; }
.ins-carousel__controls { display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap; margin-top: clamp(24px, 3vw, 36px); padding-top: 20px; border-top: 1px solid var(--line); }
.ins-carousel__controls[hidden] { display: none; }
.ins-carousel__pos { font: 700 0.74rem/1 var(--sans); letter-spacing: 0.16em; color: var(--muted); margin-left: 8px; font-variant-numeric: tabular-nums; }
.ins-carousel__pos [data-pos] { color: var(--ink); }
.ins-dots { display: flex; gap: 2px; margin-left: auto; }
.ins-dot { width: 44px; height: 44px; display: grid; place-items: center; }
.ins-dot::before { content: ''; width: 28px; height: 3px; border-radius: 3px; background: var(--line); transition: background .3s, width .3s var(--ease); }
.ins-dot:hover::before { background: var(--muted); }
.ins-dot[aria-current="true"]::before { background: var(--signal); width: 40px; }

/* Listing */
.ins-listing { padding: 130px var(--g) clamp(70px, 9vw, 130px); }
.ins-listing__head { max-width: 52rem; margin-bottom: clamp(36px, 5vw, 64px); }
.ins-listing__title { font: 400 clamp(2.8rem, 1.6rem + 3.8vw, 5.6rem)/0.98 var(--serif); letter-spacing: -0.02em; color: var(--ink); margin-bottom: 22px; }
.ins-filters { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ins-filters[hidden] { display: none; }
.ins-filters .switch button { border-color: var(--line); }
.ins-filters .switch button:hover { border-color: var(--ink); }
.ins-filters .switch [aria-pressed="true"] { border-color: var(--ink); }
.ins-search input { width: min(320px, 100%); min-height: 44px; padding: 0 18px 0 42px; border-radius: 99px; border: 1px solid var(--line); background: var(--card) no-repeat 16px 50% / 16px 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a395b4' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");
  color: var(--ink); font: 500 0.95rem/1 var(--sans); }
.ins-search input::placeholder { color: var(--muted); }
.ins-search input:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-color: transparent; }
.ins-count { font: 700 0.68rem/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 22px 0; }
.ins-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.ins-cards[hidden] { display: none; }
.ins-cards__item[hidden] { display: none; }
.ins-card { position: relative; height: 100%; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s, border-color .4s; }
.ins-card:hover { transform: translateY(-4px); border-color: rgba(169, 150, 255, .45); box-shadow: 0 24px 40px -22px rgba(143, 120, 255, .35); }
.ins-card:focus-within { border-color: var(--signal); }
.ins-card__art { aspect-ratio: 16 / 9; overflow: hidden; background: var(--night); }
.ins-card__art img { width: 100%; height: 100%; object-fit: cover; }
.ins-card__body { display: flex; flex-direction: column; gap: 12px; padding: 20px 22px 24px; flex: 1; }
.ins-card__title { font: 400 clamp(1.45rem, 1.2rem + 0.6vw, 1.8rem)/1.08 var(--serif); color: var(--ink); letter-spacing: -0.01em; }
.ins-card__link { text-decoration: none; }
.ins-card__link::after { content: ''; position: absolute; inset: 0; z-index: 1; border-radius: 8px; }
.ins-card__link:focus-visible { outline: none; }
.ins-card__link:focus-visible::after { outline: 2px solid var(--cobalt); outline-offset: -2px; }
.ins-card__excerpt { font-size: 0.92rem; color: var(--ink-body); }
.ins-card__more { margin-top: auto; padding-top: 6px; font: 700 0.66rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet); }
.ins-card:hover .arrow { transform: translateX(4px); }
.ins-empty { padding: clamp(40px, 6vw, 80px) 0; display: grid; gap: 20px; justify-items: start; border-top: 1px solid var(--line); }
.ins-empty[hidden] { display: none; }
.ins-empty p { font: italic 400 clamp(1.5rem, 1rem + 1.4vw, 2.4rem)/1.2 var(--serif); color: var(--muted); }

/* Article */
.ins-progress { position: fixed; z-index: 60; top: 0; left: 0; right: 0; height: 3px; pointer-events: none; }
.ins-progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--signal), var(--rose)); transform: scaleX(0); transform-origin: 0 50%; }
.ins-article__head { display: grid; gap: 18px; justify-items: start; padding: 116px var(--g) 0; max-width: calc(1200px + 2 * var(--g)); margin: 0 auto; }
.ins-back { font: 700 0.68rem/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); text-decoration: none; padding: 12px 0; }
.ins-back:hover { color: var(--ink); }
.ins-eyebrow { font: 700 0.66rem/1.5 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet); max-width: 60em; }
.ins-article__title { font: 400 clamp(2.6rem, 1.4rem + 3.8vw, 5.4rem)/0.98 var(--serif); letter-spacing: -0.02em; color: var(--ink); max-width: 15em; text-wrap: balance; }
.ins-article__dek { font: 500 clamp(1.1rem, 0.95rem + 0.6vw, 1.45rem)/1.4 var(--sans); color: var(--ink-body); max-width: 38em; }
.ins-byline { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px 24px; flex-wrap: wrap; padding: 16px 0; border-top: 1px solid var(--line); margin-top: 8px; }
.ins-byline > p { display: flex; flex-wrap: wrap; gap: 4px 18px; font: 600 0.88rem/1.4 var(--sans); color: var(--ink); }
.ins-byline > p span + span { color: var(--muted); font-weight: 500; }
.ins-share { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ins-share__btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 1.2em; border-radius: 99px; border: 1px solid var(--line); font: 700 0.66rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); text-decoration: none; transition: background .25s, color .25s, border-color .25s; }
.ins-share__btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ins-share__status { font: 600 0.78rem/1 var(--sans); color: var(--signal); min-width: 1px; }
.ins-article__cover { width: 100%; margin-top: 8px; border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--night); }
.ins-article__cover img { width: 100%; height: 100%; object-fit: cover; }

.ins-layout { display: grid; grid-template-columns: minmax(180px, 250px) minmax(0, 700px); justify-content: center; gap: clamp(32px, 6vw, 96px); padding: clamp(48px, 7vw, 96px) var(--g) clamp(60px, 8vw, 110px); max-width: calc(1200px + 2 * var(--g)); margin: 0 auto; }
.ins-aside { position: relative; }
.ins-toc { position: sticky; top: 96px; max-height: calc(100svh - 120px); overflow: auto; }
.ins-toc__title, .ins-source__title, .ins-review__title { font: 700 0.66rem/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--violet); margin-bottom: 14px; }
.ins-toc ol { display: grid; gap: 2px; border-left: 1px solid var(--line); }
.ins-toc a { display: block; padding: 8px 0 8px 16px; margin-left: -1px; border-left: 2px solid transparent; font: 500 0.84rem/1.35 var(--sans); color: var(--muted); text-decoration: none; transition: color .25s, border-color .25s; }
.ins-toc a:hover { color: var(--ink); }
.ins-toc a[aria-current="true"] { color: var(--ink); border-left-color: var(--signal); }
.ins-toc-mobile { display: none; }

.ins-body { min-width: 0; font-size: clamp(1.04rem, 0.98rem + 0.25vw, 1.16rem); line-height: 1.75; color: var(--ink-body); }
.ins-quote { margin: 0 0 clamp(36px, 5vw, 56px); padding: 6px 0 6px clamp(18px, 2.4vw, 28px); border-left: 2px solid var(--signal); }
.ins-quote p { font: italic 400 clamp(1.6rem, 1.1rem + 1.5vw, 2.4rem)/1.18 var(--serif); color: var(--ink); }
.ins-section { scroll-margin-top: 96px; }
.ins-section::after { content: ''; display: table; clear: both; }
.ins-section h2 { font: 400 clamp(1.8rem, 1.3rem + 1.4vw, 2.5rem)/1.1 var(--serif); letter-spacing: -0.01em; color: var(--ink); margin: clamp(40px, 5vw, 60px) 0 18px; text-wrap: balance; }
.ins-section p + p, .ins-section p + ul, .ins-section ul + p { margin-top: 1.1em; }
.ins-section ul { display: grid; gap: 12px; margin-top: 4px; counter-reset: idea; }
.ins-section li { position: relative; padding-left: 44px; counter-increment: idea; }
.ins-section li::before { content: counter(idea, decimal-leading-zero); position: absolute; left: 0; top: 0.15em; font: 700 0.7rem/1.6 var(--sans); letter-spacing: 0.1em; color: var(--signal); }

.ins-photo, .ins-illustration { margin: clamp(32px, 4vw, 48px) 0; }
.ins-photo { max-width: min(100%, var(--w)); }
.ins-photo img { width: 100%; height: auto; border-radius: 8px; background: var(--card); }
.ins-photo figcaption, .ins-illustration figcaption { margin-top: 12px; font: 500 0.82rem/1.5 var(--sans); color: var(--muted); }
.ins-photo__kind { font-weight: 700; font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper); margin-left: 4px; white-space: nowrap; }
.ins-photo--portrait { float: right; width: min(46%, 300px); margin: 8px 0 20px clamp(20px, 3vw, 36px); }
.ins-illustration { padding: clamp(14px, 2vw, 22px); border-radius: 8px; background: linear-gradient(160deg, rgba(169, 150, 255, .10), rgba(213, 177, 168, .06)); border: 1px solid var(--line); }
.ins-illustration img { width: 100%; height: auto; border-radius: 6px; }

.ins-source { margin-top: clamp(48px, 6vw, 72px); padding-top: 24px; border-top: 1px solid var(--line); display: grid; gap: 12px; font-size: 0.92rem; line-height: 1.65; color: var(--muted); }
.ins-source a { color: var(--ink); text-underline-offset: 3px; }
.ins-review { margin-top: 8px; padding: 16px 18px; border: 1px dashed rgba(213, 177, 168, .55); border-radius: 8px; color: var(--ink-body); }
.ins-review .ins-review__title { color: var(--rose); }
.ins-review ul { display: grid; gap: 6px; list-style: disc; padding-left: 18px; }
.ins-end { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 36px; }

.ins-related { padding: clamp(60px, 8vw, 110px) var(--g); background: var(--paper-2); border-top: 1px solid var(--line); }
.ins-related__head { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; margin-bottom: clamp(28px, 4vw, 44px); }

/* Concept model */
.ins-model { margin: clamp(40px, 6vw, 72px) 0; padding: clamp(22px, 3vw, 36px); border-radius: 8px; border: 1px solid var(--line); color: var(--on-night);
  background: radial-gradient(70% 80% at 80% 0%, rgba(143, 120, 255, .18), transparent 70%), radial-gradient(50% 60% at 0% 100%, rgba(213, 177, 168, .08), transparent 70%), var(--night); }
.ins-model .kicker { color: var(--signal); margin-bottom: 14px; }
.ins-model__title { font: 400 clamp(1.7rem, 1.2rem + 1.4vw, 2.4rem)/1.08 var(--serif); color: var(--on-night); }
.ins-model__desc { margin-top: 10px; color: var(--night-muted); font-size: 0.98rem; line-height: 1.6; }
.ins-model__ui[hidden] { display: none; }
.ins-model__hint { margin-top: 18px; font: 600 0.74rem/1.5 var(--sans); color: var(--night-muted); }
.ins-model__map { position: relative; aspect-ratio: 100 / 62; margin: 18px 0 8px; }
.ins-model__lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ins-deco * { fill: none; stroke: rgba(185, 174, 203, .16); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ins-edge { fill: none; stroke: rgba(185, 174, 203, .3); stroke-width: 1.2; vector-effect: non-scaling-stroke; transition: stroke .35s, stroke-width .35s; }
.ins-edge.is-dir { marker-end: url(#model-arrow); }
.ins-edge.is-soft { stroke-dasharray: 4 5; }
.ins-edge.is-on { stroke: var(--signal); stroke-width: 2; }
.ins-edge.is-dir.is-on { marker-end: url(#model-arrow-on); }
.ins-arrow { fill: rgba(185, 174, 203, .45); }
.ins-arrow.is-on { fill: var(--signal); }
.ins-model__nodes { position: absolute; inset: 0; }
.ins-node { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px 0 10px; border-radius: 99px; white-space: nowrap;
  background: var(--night-2); border: 1px solid rgba(169, 150, 255, .4); color: var(--on-night); font: 600 0.84rem/1 var(--sans); transition: background .3s, color .3s, border-color .3s, box-shadow .3s; }
.ins-node__num { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1px solid rgba(169, 150, 255, .5); font: 700 0.62rem/1 var(--sans); letter-spacing: 0.04em; color: var(--signal); }
.ins-node:hover { border-color: var(--signal); }
.ins-node.is-active { background: var(--signal); border-color: var(--signal); color: var(--night); box-shadow: 0 0 0 6px rgba(143, 120, 255, .16), 0 0 30px rgba(143, 120, 255, .45); }
.ins-node.is-active .ins-node__num { border-color: var(--night); color: var(--night); }
.ins-node:focus-visible { outline: 2px solid var(--on-night); outline-offset: 3px; }
.ins-model__detail { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: 'step nav' 'label nav' 'text text'; gap: 6px 16px; align-items: center; padding: 20px 0 2px; border-top: 1px solid rgba(243, 237, 229, .14); }
.ins-model__detail.is-changing > :not(.ins-model__stepper) { animation: insDetail .45s var(--ease) both; }
@keyframes insDetail { from { opacity: 0; transform: translateY(8px); } }
.ins-model__step { grid-area: step; font: 700 0.68rem/1 var(--sans); letter-spacing: 0.16em; color: var(--night-muted); font-variant-numeric: tabular-nums; }
.ins-model__step span { color: var(--signal); }
.ins-model__label { grid-area: label; margin: 0; font: 400 clamp(1.6rem, 1.2rem + 1vw, 2.1rem)/1.1 var(--serif); color: var(--on-night); }
.ins-model__text { grid-area: text; color: var(--on-night); font-size: 1.02rem; line-height: 1.6; max-width: 36em; min-height: 3.2em; }
.ins-model__stepper { grid-area: nav; display: flex; gap: 8px; }
.ins-model .ins-round { border-color: rgba(243, 237, 229, .25); color: var(--on-night); }
.ins-model .ins-round:hover:not(:disabled) { background: var(--on-night); color: var(--night); }
.ins-model__list { display: grid; gap: 12px; margin-top: 20px; font-size: 0.98rem; line-height: 1.55; color: var(--night-muted); }
.ins-model__list[hidden] { display: none; }
.ins-model__list strong { color: var(--on-night); margin-right: 4px; }

@media (max-width: 1100px) {
  .ins-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ins-cards--related .ins-cards__item:nth-child(3) { display: none; }
  .ins-layout { grid-template-columns: minmax(0, 700px); }
  .ins-aside { display: none; }
  .ins-toc-mobile { display: block; margin-bottom: 32px; border: 1px solid var(--line); border-radius: 8px; padding: 0 18px; }
  .ins-toc-mobile summary { min-height: 52px; display: flex; align-items: center; cursor: pointer; font: 700 0.68rem/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); }
  .ins-toc-mobile ol { display: grid; gap: 2px; padding: 0 0 14px; counter-reset: toc; }
  .ins-toc-mobile a { display: block; padding: 8px 0; font: 500 0.92rem/1.35 var(--sans); color: var(--ink-body); text-decoration: none; }
}
@media (max-width: 860px) {
  .ins-feature { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 760px) {
  .ins-cards { grid-template-columns: 1fr; }
  .ins-cards--related .ins-cards__item:nth-child(3) { display: block; }
  .ins-listing, .ins-article__head { padding-top: 96px; }
  .ins-filters { align-items: stretch; }
  .ins-filters .switch { flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(var(--g) * -1); padding: 0 var(--g) 4px; scrollbar-width: none; }
  .ins-filters .switch button { flex: none; }
  .ins-search, .ins-search input { width: 100%; }
  .ins-carousel__controls { gap: 10px; }
  .ins-dots { margin-left: 0; width: 100%; justify-content: center; order: 3; }
  .ins-dot { width: 40px; }
  .ins-dot::before { width: 22px; }
  .ins-dot[aria-current="true"]::before { width: 32px; }
  .ins-byline { align-items: start; flex-direction: column; }
  .ins-photo--portrait { float: none; width: auto; max-width: min(100%, 360px); margin: 28px auto; }
  /* The concept model becomes a numbered list you step through. */
  .ins-model__lines { display: none; }
  .ins-model__map { aspect-ratio: auto; margin: 16px 0; }
  .ins-model__nodes { position: relative; display: grid; gap: 8px; }
  .ins-model__nodes::before { content: ''; position: absolute; left: 23px; top: 22px; bottom: 22px; width: 1px; background: rgba(169, 150, 255, .35); }
  .ins-node { position: relative; left: auto; top: auto; transform: none; width: 100%; white-space: normal; text-align: left; }
  .ins-model__detail { grid-template-areas: 'step nav' 'label label' 'text text'; }
}
@media (prefers-reduced-motion: reduce) {
  .ins-carousel__track { scroll-behavior: auto; }
}
@media (hover: none) {
  .ins-card:hover { transform: none; }
}