/* Insights responsive system v2 — shared, additive composition layer for the four long-form Insight pages.
   Each article retains its individual visual identity; these rules establish device-aware behaviour, readable measures and contained framework interaction. */
:root{--irs-reading:46.5rem;--irs-tablet-reading:42rem;--irs-mobile-gutter:20px;--irs-tablet-gutter:clamp(32px,5vw,58px);--irs-space-1:clamp(1rem,.8rem + .7vw,1.6rem);--irs-space-2:clamp(1.5rem,1.15rem + 1.5vw,2.8rem);--irs-space-3:clamp(2.5rem,1.7rem + 3.8vw,6rem);--irs-space-4:clamp(4rem,3rem + 7vw,10rem);--irs-fast:180ms;--irs-standard:360ms;--irs-slow:650ms;--irs-ease:cubic-bezier(.22,1,.36,1)}
.ht1,.ai2,.me2,.ee4{--irs-ink:#080f22;--irs-paper:#f7f5ef;--irs-azure:#6ea8ff;--irs-azure-hi:#9cc2ff;--irs-light:#eff0ea;--irs-muted:#96a0be;overflow:clip}.ht1 :focus-visible,.ai2 :focus-visible,.me2 :focus-visible,.ee4 :focus-visible{outline:2px solid var(--irs-azure);outline-offset:4px}.ht1 picture,.ai2 picture,.me2 picture,.ee4 picture{display:block}.ht1 img,.ai2 img,.me2 img,.ee4 img{max-width:100%;height:auto}.ht1 .ht1-prose,.ai2 .ai2-prose,.me2 .me2-prose,.ee4 .ee4-prose{max-width:var(--irs-reading)}.ht1 .ht1-prose>p,.ai2 .ai2-prose>p,.me2 .me2-prose>p,.ee4 .ee4-prose>p{font-size:clamp(1rem,.95rem + .2vw,1.19rem);line-height:1.8}.ht1 .ht1-prose>p:first-child,.ai2 .ai2-prose>p:first-child,.me2 .me2-prose>p:first-child,.ee4 .ee4-prose>p:first-child{font-size:clamp(1.22rem,1.08rem + .54vw,1.72rem);line-height:1.55}.ht1 .ht1-prose h2,.ai2 .ai2-prose h2,.me2 .me2-prose h2,.ee4 .ee4-prose h2{scroll-margin-top:110px}.ht1 .ht1-framework,.ai2 .ai2-framework,.me2 .me2-system,.ee4 .ee4-framework{scroll-margin-top:110px}.irs-scroll{scrollbar-width:thin;scrollbar-color:var(--irs-azure) transparent;overscroll-behavior-inline:contain}.irs-scroll::-webkit-scrollbar{height:7px}.irs-scroll::-webkit-scrollbar-thumb{background:var(--irs-azure);border-radius:10px}.irs-scroll-hint{display:none}.irs-progress{display:none}.irs-page-leaving{opacity:.985;transition:opacity var(--irs-fast) ease}.ht1 .is-media-fallback,.ai2 .is-media-fallback,.me2 .is-media-fallback,.ee4 .is-media-fallback{background:linear-gradient(135deg,#0e1a3c,#07152f)!important}.ht1 .is-media-fallback:after,.ai2 .is-media-fallback:after,.me2 .is-media-fallback:after,.ee4 .is-media-fallback:after{content:"Experience system visual";display:grid;place-items:center;position:absolute;inset:0;color:#dce8fb;font-family:var(--poppins);font-size:.58rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
/* Tablet: use space for deliberate side-by-side reading/support structure, not stretched lines. */
@media (min-width:701px) and (max-width:1080px){.ht1 .container,.ai2 .container,.me2 .container,.ee4 .container{width:min(calc(100% - 2 * var(--irs-tablet-gutter)),1100px)}.ht1 .ht1-layout,.ai2 .ai2-layout,.me2 .me2-layout,.ee4 .ee4-layout{grid-template-columns:132px minmax(0,var(--irs-tablet-reading));gap:clamp(38px,6vw,72px)}.ht1 .ht1-rail,.ai2 .ai2-rail,.me2 .me2-rail,.ee4 .ee4-rail{top:94px}.ht1 .ht1-rail__body,.ai2 .ai2-rail__body,.me2 .me2-rail__text,.ee4 .ee4-rail__body{font-size:.74rem}.ht1 .ht1-visual__grid,.ai2 .ai2-visual__grid,.me2 .me2-image-band__layout,.ee4 .ee4-visual__grid{gap:clamp(30px,5vw,60px)}.ht1 .ht1-visual__figure,.ai2 .ai2-visual__figure,.me2 .me2-image-band__figure,.ee4 .ee4-visual__figure{min-height:clamp(380px,48vw,480px)}.ht1 .ht1-visual__figure img,.ai2 .ai2-visual__figure img,.me2 .me2-image-band__figure img,.ee4 .ee4-visual__figure img{height:clamp(380px,48vw,480px)}.ht1 .ht1-framework__head,.ai2 .ai2-framework__head,.me2 .me2-system__header,.ee4 .ee4-framework__head{grid-template-columns:74px minmax(0,1fr);gap:15px}.ht1 .ht1-framework__desc,.ai2 .ai2-framework__desc,.me2 .me2-system__desc,.ee4 .ee4-framework__desc{max-width:55ch}.ht1 .ht1-case,.ai2 .ai2-case,.me2 .me2-case,.ee4 .ee4-case{grid-template-columns:minmax(0,1fr) minmax(250px,.82fr)}.ht1 .ht1-test__body,.ai2 .ai2-test__body,.me2 .me2-test__body{grid-template-columns:minmax(155px,.42fr) minmax(0,1fr);gap:clamp(25px,5vw,55px)}.ee4 .ee4-blueprint__figure,.ee4 .ee4-framework__figure{overflow-x:auto}.ee4 .ee4-blueprint__figure img,.ee4 .ee4-framework__figure img{min-width:680px}}
/* Narrow tablets / landscape phones deliberately switch from side rail to progress strip. */
@media (min-width:541px) and (max-width:700px){.ht1 .ht1-layout,.ai2 .ai2-layout,.me2 .me2-layout,.ee4 .ee4-layout{display:block}.ht1 .ht1-rail,.ai2 .ai2-rail,.me2 .me2-rail,.ee4 .ee4-rail{display:none}.irs-progress{position:sticky;z-index:19;top:74px;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:42px;margin:0 var(--irs-tablet-gutter);padding:0 14px;border:1px solid rgba(8,15,34,.15);background:rgba(247,245,239,.94);backdrop-filter:blur(10px);box-shadow:0 8px 20px -15px rgba(8,15,34,.5);color:#213b6b;font-family:var(--poppins);font-size:.55rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase}.irs-progress strong{color:#3868bb}.irs-progress span{color:#52647f}.ht1 .ht1-visual__grid,.ai2 .ai2-visual__grid,.me2 .me2-image-band__layout,.ee4 .ee4-visual__grid{grid-template-columns:1fr 1fr;gap:28px}.ht1 .ht1-visual__figure,.ai2 .ai2-visual__figure,.me2 .me2-image-band__figure,.ee4 .ee4-visual__figure{min-height:350px}.ht1 .ht1-visual__figure img,.ai2 .ai2-visual__figure img,.me2 .me2-image-band__figure img,.ee4 .ee4-visual__figure img{height:350px}.ht1 .ht1-prose,.ai2 .ai2-prose,.me2 .me2-prose,.ee4 .ee4-prose{max-width:var(--irs-tablet-reading);margin-inline:auto}}
/* Phone-first composition: text arrives before each image; isolated framework canvas scrolls, never the page. */
@media (max-width:700px){.ht1,.ai2,.me2,.ee4{--pad-x:var(--irs-mobile-gutter)}.ht1 .container,.ai2 .container,.me2 .container,.ee4 .container{width:calc(100% - 2 * var(--irs-mobile-gutter))}.ht1 .ht1-hero,.ai2 .ai2-hero{padding-top:max(112px,calc(88px + env(safe-area-inset-top)));min-height:0}.ht1 .ht1-hero__meta,.ai2 .ai2-hero__meta{max-width:none;margin-bottom:24px;font-size:.54rem}.ht1 .ht1-hero__title,.ai2 .ai2-hero__title,.me2 .me2-hero__title,.ee4 .ee4-hero h1{max-width:10ch;font-size:clamp(3.15rem,13.1vw,5.7rem);letter-spacing:-.082em;text-wrap:balance}.ht1 .ht1-hero__dek,.ai2 .ai2-hero__dek,.me2 .me2-hero__dek,.ee4 .ee4-hero__dek{max-width:34ch;margin-top:28px;font-size:clamp(1rem,.95rem + .28vw,1.15rem);line-height:1.58}.ht1 .ht1-hero__bar,.ai2 .ai2-hero__bar{max-width:none;margin-top:32px;padding:15px 0}.ht1 .ht1-hero__image-wrap,.ai2 .ai2-hero__image-wrap{margin-top:28px}.ht1 .ht1-hero__image,.ai2 .ai2-hero__image{height:auto;aspect-ratio:1.35;object-position:center}.me2 .me2-hero{padding-top:max(108px,calc(84px + env(safe-area-inset-top)))}.me2 .me2-hero__visual{height:auto;aspect-ratio:1.35;margin-top:27px}.me2 .me2-hero__image{height:100%;object-fit:cover}.ee4 .ee4-hero{min-height:0;padding-top:max(110px,calc(85px + env(safe-area-inset-top)));padding-bottom:0;display:flex;flex-direction:column}.ee4 .ee4-hero__media{position:relative;z-index:0;order:2;width:calc(100% - 2 * var(--irs-mobile-gutter));height:auto;aspect-ratio:1.35;margin:28px auto 0}.ee4 .ee4-hero__media img{position:absolute;object-position:center}.ee4 .ee4-hero:before{background:linear-gradient(180deg,rgba(8,14,27,.92),rgba(8,14,27,.67))}.ee4 .ee4-hero__inner{order:1}.ee4 .ee4-hero__bottom{margin-top:31px;gap:17px}.ee4 .ee4-hero__meta{font-size:.54rem}.ht1 .ht1-open,.ai2 .ai2-open,.me2 .me2-intro,.ee4 .ee4-intro{padding:var(--irs-space-4) 0}.ht1 .ht1-open__thesis,.ai2 .ai2-open__thesis,.me2 .me2-statement h2,.ee4 .ee4-intro__title{font-size:clamp(2.35rem,9.4vw,4.1rem);line-height:.98}.ht1 .ht1-body,.ai2 .ai2-body,.me2 .me2-body,.ee4 .ee4-body{padding:var(--irs-space-4) 0}.ht1 .ht1-layout,.ai2 .ai2-layout,.me2 .me2-layout,.ee4 .ee4-layout{display:block}.ht1 .ht1-rail,.ai2 .ai2-rail,.me2 .me2-rail,.ee4 .ee4-rail{display:none}.irs-progress{position:sticky;z-index:19;top:max(69px,calc(58px + env(safe-area-inset-top)));display:flex;align-items:center;justify-content:space-between;min-height:40px;margin:0 var(--irs-mobile-gutter);padding:0 12px;border:1px solid rgba(8,15,34,.14);background:rgba(247,245,239,.95);backdrop-filter:blur(10px);box-shadow:0 8px 17px -15px rgba(8,15,34,.52);color:#213b6b;font-family:var(--poppins);font-size:.51rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}.irs-progress strong{color:#3868bb;flex:none}.irs-progress span{color:#53657f}.irs-progress span:last-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.ht1 .ht1-prose,.ai2 .ai2-prose,.me2 .me2-prose,.ee4 .ee4-prose{max-width:100%;margin:0}.ht1 .ht1-prose>p,.ai2 .ai2-prose>p,.me2 .me2-prose>p,.ee4 .ee4-prose>p{font-size:clamp(1rem,.95rem + .25vw,1.1rem);line-height:1.77}.ht1 .ht1-prose>p:first-child,.ai2 .ai2-prose>p:first-child,.me2 .me2-prose>p:first-child,.ee4 .ee4-prose>p:first-child{font-size:clamp(1.16rem,1.05rem + .55vw,1.38rem);line-height:1.53}.ht1 .ht1-prose h2,.ai2 .ai2-prose h2,.me2 .me2-prose h2,.ee4 .ee4-prose h2{max-width:12ch;margin:var(--irs-space-4) 0 var(--irs-space-2);font-size:clamp(2rem,7.6vw,3rem);line-height:1.03}.ht1 .ht1-prose h3,.ai2 .ai2-prose h3,.me2 .me2-prose h3,.ee4 .ee4-prose h3{margin-top:var(--irs-space-3);font-size:clamp(1.3rem,5vw,1.6rem)}.ht1 .ht1-quote,.ai2 .ai2-quote,.me2 .me2-quote,.ee4 .ee4-quote{margin:var(--irs-space-3) 0;padding:20px 0}.ht1 .ht1-quote blockquote,.ai2 .ai2-quote blockquote,.me2 .me2-quote blockquote,.ee4 .ee4-quote blockquote{font-size:clamp(1.9rem,7.3vw,2.75rem)}.ht1 .ht1-framework,.ai2 .ai2-framework,.me2 .me2-system,.ee4 .ee4-framework{margin:var(--irs-space-3) 0}.ht1 .ht1-framework__head,.ai2 .ai2-framework__head,.me2 .me2-system__header,.ee4 .ee4-framework__head{grid-template-columns:1fr;gap:7px;margin-bottom:15px}.ht1 .ht1-framework__desc,.ai2 .ai2-framework__desc,.me2 .me2-system__desc,.ee4 .ee4-framework__desc{grid-column:auto;max-width:100%;font-size:.88rem}.ht1 .ht1-flow,.ai2 .ai2-flow,.me2 .me2-system__flow{grid-template-columns:repeat(var(--count, var(--steps)),minmax(154px,1fr));scroll-snap-type:inline mandatory;scroll-padding-inline:16px;border-inline:1px solid currentColor}.ht1 .ht1-flow span,.ai2 .ai2-flow span,.me2 .me2-system__flow span{min-height:128px;padding:16px 12px;scroll-snap-align:start;font-size:.68rem}.ht1 .ht1-framework__caption,.ai2 .ai2-framework__caption,.me2 .me2-system__caption{margin:13px 0 0;font-size:.82rem}.irs-scroll-hint{display:flex;align-items:center;gap:7px;margin-top:9px;color:#466cb0;font-family:var(--poppins);font-size:.52rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase}.irs-scroll-hint:before{content:"←"}.irs-scroll-hint:after{content:"→"}.ht1 .ht1-visual,.ai2 .ai2-visual,.me2 .me2-image-band,.ee4 .ee4-visual{padding:var(--irs-space-4) 0}.ht1 .ht1-visual__grid,.ai2 .ai2-visual__grid,.me2 .me2-image-band__layout,.ee4 .ee4-visual__grid{display:flex;flex-direction:column;gap:26px}.ht1 .ht1-visual__grid figure,.ai2 .ai2-visual__grid figure,.me2 .me2-image-band__layout figure,.ee4 .ee4-visual__grid figure{order:-1}.ht1 .ht1-visual__figure,.ai2 .ai2-visual__figure,.me2 .me2-image-band__figure,.ee4 .ee4-visual__figure{width:100%;min-height:0;height:auto;aspect-ratio:1.25}.ht1 .ht1-visual__figure img,.ai2 .ai2-visual__figure img,.me2 .me2-image-band__figure img,.ee4 .ee4-visual__figure img{width:100%;height:100%;min-height:0;object-fit:cover}.ht1 .ht1-test,.ai2 .ai2-test,.me2 .me2-test{margin-inline:-20px;padding:28px 20px}.ht1 .ht1-test__head,.ai2 .ai2-test__head,.me2 .me2-test__head,.ht1 .ht1-test__body,.ai2 .ai2-test__body,.me2 .me2-test__body{grid-template-columns:1fr;gap:20px}.ht1 .ht1-test__tab,.ai2 .ai2-test__tab,.me2 .me2-test__tab{min-height:46px;padding:12px 0}.ht1 .ht1-test__panel,.ai2 .ai2-test__panel,.me2 .me2-test__panel{min-height:175px;padding:26px}.ht1 .ht1-case,.ai2 .ai2-case,.me2 .me2-case,.ee4 .ee4-case{grid-template-columns:1fr;margin:var(--irs-space-3) 0}.ht1 .ht1-case__title,.ai2 .ai2-case__title,.me2 .me2-case__title,.ee4 .ee4-case__title{padding:28px 0}.ht1 .ht1-case__body,.ai2 .ai2-case__body,.me2 .me2-case__body,.ee4 .ee4-case__body{padding:27px 0;border-top:1px solid var(--line);border-left:0}.ee4 .ee4-framework__figure,.ee4 .ee4-blueprint__figure{position:relative;overflow-x:auto;scroll-snap-type:x mandatory}.ee4 .ee4-framework__figure img,.ee4 .ee4-blueprint__figure img{min-width:620px;max-width:none;scroll-snap-align:start}.ee4 .ee4-framework__figure:after,.ee4 .ee4-blueprint__figure:after{content:"Swipe to explore →";position:sticky;left:10px;bottom:8px;display:inline-block;margin:8px;padding:6px 8px;background:#081329;color:#f4f7fc;font-family:var(--poppins);font-size:.49rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.ee4 .ee4-pair,.ai2 .ai2-dual,.ht1 .ht1-dual{grid-template-columns:1fr;margin:var(--irs-space-3) 0}.ee4 .ee4-pair section+section,.ai2 .ai2-dual__panel+.ai2-dual__panel,.ht1 .ht1-dual__panel+.ht1-dual__panel{border-top:1px solid var(--line);border-left:0}.ee4 .ee4-blueprint,.ee4 .ee4-audit,.me2 .me2-final,.ht1 .ht1-closing,.ai2 .ai2-closing{padding:var(--irs-space-4) 0}.insight-series{padding:var(--irs-space-4) 0}.insight-series__head{grid-template-columns:1fr;gap:23px}.insight-series__nav{grid-template-columns:1fr}.insight-series__item{min-height:145px;padding:23px}.insight-series__title{max-width:20ch}.insight-series__item small{max-width:40ch}.insight-series__item:hover{transform:none}}
@media (max-width:480px){.irs-progress span:nth-of-type(1){display:none}.irs-progress span:last-child{max-width:calc(100% - 45px)}}
@media (max-width:390px){.ht1 .ht1-hero__title,.ai2 .ai2-hero__title,.me2 .me2-hero__title,.ee4 .ee4-hero h1{font-size:3.08rem}.ht1 .ht1-hero__image,.ai2 .ai2-hero__image{aspect-ratio:1.18}.ih8-hero h1{font-size:3.1rem}.ht1 .ht1-test__panel,.ai2 .ai2-test__panel,.me2 .me2-test__panel{padding:23px 20px}.irs-progress{font-size:.48rem}}
/* Deliberate large-screen composition: text measure stays calm; visuals and negative space scale. */
@media (min-width:1600px){.ht1 .container,.ai2 .container,.me2 .container,.ee4 .container{width:min(calc(100% - clamp(120px,10vw,260px)),1440px)}.ht1 .ht1-layout,.ai2 .ai2-layout,.me2 .me2-layout,.ee4 .ee4-layout{grid-template-columns:190px minmax(0,780px);gap:clamp(90px,9vw,185px)}.ht1 .ht1-prose,.ai2 .ai2-prose,.me2 .me2-prose,.ee4 .ee4-prose{max-width:780px}.ht1 .ht1-hero__image-wrap,.ai2 .ai2-hero__image-wrap{width:min(46vw,820px)}.ht1 .ht1-hero__meta,.ai2 .ai2-hero__meta{max-width:calc(100% - min(46vw,820px))}.ht1 .ht1-visual__figure,.ai2 .ai2-visual__figure,.me2 .me2-image-band__figure,.ee4 .ee4-visual__figure{min-height:620px}.ht1 .ht1-visual__figure img,.ai2 .ai2-visual__figure img,.me2 .me2-image-band__figure img,.ee4 .ee4-visual__figure img{height:620px}.insight-series__item{min-height:275px}.insight-series__nav{max-width:1440px;margin-inline:auto}}
@media (min-width:2560px){.ht1 .container,.ai2 .container,.me2 .container,.ee4 .container{width:min(calc(100% - 18vw),1580px)}.ht1 .ht1-hero,.ai2 .ai2-hero,.ee4 .ee4-hero{min-height:min(1040px,100svh)}.ht1 .ht1-hero__image-wrap,.ai2 .ai2-hero__image-wrap{width:min(42vw,970px)}.ht1 .ht1-hero__meta,.ai2 .ai2-hero__meta{max-width:calc(100% - min(42vw,970px))}.ht1 .ht1-prose,.ai2 .ai2-prose,.me2 .me2-prose,.ee4 .ee4-prose{max-width:780px}}
@media (prefers-reduced-motion:reduce){.irs-page-leaving,.ht1 *,.ai2 *,.me2 *,.ee4 *{animation:none!important;transition:none!important;scroll-behavior:auto!important}.irs-progress{backdrop-filter:none}}