/* =============================================================================
   Owllys Group: pages.css
   Styles for pages carried over from the previous owllys.com: Tech & AI Consulting, the four capability pages,
   the AI glossary, case studies, the Insights library and its 43 guides, and the footer insights menu.
   Uses only site.css variables, so it follows any palette change there.
   ========================================================================== */

/* ---------- shared ---------- */
.cap-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 4px; margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line); }
.cap-strip .label { margin-right: 10px; }
.cap-strip a { font-size: .86rem; font-weight: 500; color: var(--ink-2); text-decoration: none; padding: 6px 10px; border-radius: 999px; border: 1px solid transparent; }
.cap-strip a:hover { border-color: var(--line-2); color: var(--ink); }
.cap-strip a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip svg { width: 12px; height: 12px; }
.faq { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr 22px; gap: 16px; align-items: center; padding: 18px 2px; font: 600 1.04rem/1.35 var(--f-sans); color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-item p { margin: 0 0 18px; max-width: 72ch; color: var(--ink-2); }
.faq-item summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

/* ---------- consulting ---------- */
.vvp-wrap { overflow-x: auto; }
.vvp { width: 100%; border-collapse: collapse; min-width: 560px; }
.vvp th, .vvp td { text-align: left; padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; font-size: .95rem; }
.vvp thead th { font: 500 .7rem/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); border-bottom: 1px solid var(--ink); }
.vvp tbody th { font: 600 .9rem/1.4 var(--f-sans); color: var(--ink); width: 22%; }
.vvp td:nth-child(2) { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line-2); }
.vvp td:nth-child(3) { color: var(--ink); font-weight: 500; }
.lever-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 3vw, 32px); }
.lever { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: clamp(18px, 2.4vw, 28px); }
.lever-h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; font: 700 1.2rem/1.2 var(--f-display); color: var(--ink); margin-bottom: 14px; }
.lever-h i { font-style: normal; width: 28px; height: 28px; border-radius: 50%; display: inline-grid; place-items: center; background: var(--ink); color: var(--paper); font-size: .9rem; }
.lever-h .muted { font: 400 .86rem var(--f-sans); }
.lever ul { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.lever li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 14px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.lever li b { color: var(--ink); grid-column: 1; }
.lever li span:not(.chip) { grid-column: 1; font-size: .9rem; color: var(--ink-2); }
.lever li .chip { grid-column: 2; grid-row: 1 / span 2; align-self: center; white-space: nowrap; }
.al { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(16px, 3vw, 40px); align-items: start; }
.al-stack { list-style: none; display: grid; gap: 6px; }
.al-stack button { width: 100%; display: grid; grid-template-columns: 36px 1fr; gap: 10px; align-items: center; text-align: left; padding: 13px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); cursor: pointer; font: inherit; color: var(--ink); transition: transform .25s var(--ease), background .25s, border-color .25s; }
.al-stack button:hover { border-color: var(--ink); }
.al-stack button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); transform: translateX(8px); }
.al-stack .n { font: 500 .76rem/1 var(--f-mono); opacity: .7; }
.al-detail { min-height: 280px; }
.al-panel .h-sub { margin: 10px 0 14px; }
.al-list { list-style: none; display: grid; gap: 10px; margin-bottom: 18px; }
.al-list li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: .95rem; }
.al-list svg { width: 16px; height: 16px; color: var(--crft); margin-top: 4px; }
.al-out { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--paper-2); font-size: .94rem; color: var(--ink); }
.al-out .label { margin-right: 8px; }
.hm-wrap { overflow-x: auto; margin-top: 12px; }
.hm { width: 100%; min-width: 600px; border-collapse: separate; border-spacing: 5px; }
.hm th { font: 500 .68rem/1.3 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); text-align: center; padding: 4px; }
.hm tbody th { text-align: left; font: 600 .86rem/1.3 var(--f-sans); letter-spacing: 0; text-transform: none; color: var(--ink); white-space: nowrap; padding-right: 10px; }
.hm td { border-radius: 8px; height: 40px; text-align: center; font: 500 .7rem/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; }
.hm td.hm-0 { background: var(--crft-soft); color: var(--crft-ink); }
.hm td.hm-1 { background: var(--semi-soft); color: var(--semi-ink); }
.hm td.hm-2 { background: var(--indux-soft); color: var(--indux-ink); }
.gantt { display: grid; gap: 0; overflow-x: auto; }
.gt-row { display: grid; grid-template-columns: 170px minmax(260px, 1.4fr) minmax(200px, 1fr); gap: 18px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); min-width: 680px; }
.gt-head { border-bottom: 1px solid var(--ink); padding-top: 0; }
.gt-lab { font-weight: 600; color: var(--ink); font-size: .94rem; }
.gt-lab .mono { color: var(--ink-3); font-size: .74rem; margin-right: 6px; }
.gt-track { position: relative; height: 26px; background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px calc(100% / 13)); border-radius: 4px; }
.gt-weeks { display: grid; grid-template-columns: repeat(13, 1fr); background: none; height: auto; font: 500 .62rem/1 var(--f-mono); color: var(--ink-3); text-align: center; }
.gt-track i { position: absolute; top: 3px; bottom: 3px; left: var(--s); width: var(--w); background: var(--ink); border-radius: 4px; font-style: normal; transform-origin: left; display: flex; align-items: center; overflow: hidden; }
.js .gantt .gt-track i { transform: scaleX(0); transition: transform 1s var(--ease); }
.js .rv.in .gantt .gt-track i, .js .gantt.in .gt-track i { transform: scaleX(1); }
.gt-track i em { font: 500 .62rem/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--paper); font-style: normal; padding: 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; min-width: 0; }
.gt-what { font-size: .86rem; color: var(--ink-2); }
.hz-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 16px; font: 500 .72rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.hz-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.hz-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); position: relative; }
.hz { padding: 22px 22px 8px 0; position: relative; }
.hz + .hz { padding-left: 22px; border-left: 1px solid var(--line); }
.hz-tag { position: absolute; right: 18px; top: 16px; font: 700 2.2rem/1 var(--f-display); color: var(--line-2); }
.hz h3 { font-size: 1.2rem; margin: 8px 0 14px; }
.hz ul { list-style: none; display: grid; gap: 8px; }
.hz li { padding: 10px 12px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--lane); font-size: .9rem; color: var(--ink); }
.hz li .lane { display: block; font: 500 .62rem/1.3 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 2px; }
.support-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }

/* ---------- capability pages ---------- */
.cap-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.pillars { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--ink); }
.pillars li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.pg-ico { width: 34px; height: 34px; color: var(--ink); }
.pillars h3 { font-size: 1.12rem; margin-bottom: 4px; }
.pillars p { margin: 0; font-size: .95rem; }
.proof-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0; margin-top: clamp(32px, 5vw, 56px); border-top: 1px solid var(--line); }
.proof-row > div { padding: 18px 18px 0 0; }
.proof-row > div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.proof-row b { display: block; font: 700 1.5rem/1.15 var(--f-display); color: var(--ink); letter-spacing: -.02em; }
.proof-row span { font-size: .88rem; color: var(--ink-3); }
.stack-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: clamp(32px, 5vw, 56px); border-top: 1px solid var(--line); padding-top: 18px; }
.stack-grid .label { display: block; margin-bottom: 10px; }
.rel-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; border-top: 1px solid var(--ink); }
.rel-list a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 600; }
.rel-list a:hover { text-decoration: underline; }
.rel-list svg { width: 14px; height: 14px; flex: none; }

/* ---------- glossary ---------- */
.g-tools { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; position: sticky; top: var(--hdr); z-index: 5; background: var(--paper); padding: 12px 0; border-bottom: 1px solid var(--line); }
.g-az { display: flex; flex-wrap: wrap; gap: 2px; }
.g-az a, .g-az span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; font: 600 .82rem/1 var(--f-mono); color: var(--ink); text-decoration: none; }
.g-az a:hover { background: var(--ink); color: var(--paper); }
.g-az span { color: var(--line-2); }
.g-tools input { font: 400 1rem var(--f-sans); padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--card); color: var(--ink); min-width: min(280px, 100%); }
.g-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 56px); margin-top: 8px; }
.g-letter { grid-column: 1 / -1; font: 700 2rem/1 var(--f-display); color: var(--ink); padding: 26px 0 8px; border-bottom: 1px solid var(--ink); scroll-margin-top: calc(var(--hdr) + 70px); }
.g-term { padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--hdr) + 70px); }
.g-term h3 { font-size: 1.12rem; margin-bottom: 6px; }
.g-term p { margin: 0 0 8px; font-size: .95rem; }
.g-term .tlink { font-size: .86rem; }
.g-term:target { background: var(--paper-2); box-shadow: -12px 0 0 var(--paper-2), 12px 0 0 var(--paper-2); }
.g-term[hidden], .g-letter[hidden] { display: none; }

/* ---------- case studies ---------- */
.case-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.case-card { display: grid; gap: 6px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); text-decoration: none; color: var(--ink-2); transition: border-color .25s, transform .25s var(--ease); }
.case-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.case-card > b { font: 700 1.35rem/1.2 var(--f-display); color: var(--ink); }
.case-mini { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 8px; font-size: .84rem; color: var(--ink-3); }
.case-mini b { color: var(--ink); }
.case-head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr); gap: 24px 56px; align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.case-meta { border-left: 1px solid var(--line); padding-left: 22px; }
.case-meta p { margin: 6px 0 12px; color: var(--ink); }
.case-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); }
.case-hl { list-style: none; display: grid; gap: 8px; margin-top: 18px; }
.case-hl li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: .94rem; }
.case-hl svg { width: 16px; height: 16px; color: var(--crft); margin-top: 4px; }
.case-results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.case-results > div { padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); display: grid; gap: 3px; align-content: start; }
.case-results > div:not(:nth-child(3n + 1)) { padding-left: 12px; border-left: 1px solid var(--line); }
.case-results b { font: 700 1.6rem/1.1 var(--f-display); color: var(--ink); letter-spacing: -.02em; }
.case-stack { list-style: none; display: grid; gap: 0; border-top: 1px solid var(--line); }
.case-stack li { display: grid; grid-template-columns: 130px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }

/* ---------- footer insights menu ---------- */
.ins-menu { margin-top: clamp(28px, 4vw, 40px); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.ins-menu summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px; padding: 16px 0; color: var(--ink); }
.ins-menu summary::-webkit-details-marker { display: none; }
.ins-menu summary b { font: 600 1rem var(--f-sans); }
.ins-plus { margin-left: auto; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: transform .35s var(--ease), background .25s; }
.ins-plus svg { width: 14px; height: 14px; }
.ins-menu[open] .ins-plus { transform: rotate(45deg); background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ins-menu summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.ins-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px 28px; padding: 6px 0 18px; }
.ins-cols h4 { font: 600 .9rem/1.3 var(--f-sans); color: var(--ink); margin-bottom: 8px; letter-spacing: 0; }
.ins-cols ul { list-style: none; display: grid; gap: 6px; }
.ins-cols a { font-size: .86rem; color: var(--ink-2); text-decoration: none; line-height: 1.35; }
.ins-cols a:hover { color: var(--ink); text-decoration: underline; }
.ins-menu > p { margin: 0 0 18px; }

/* ---------- insights library ---------- */
.ins-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.ins-chips .chip { text-decoration: none; color: var(--ink); }
.ins-chips .chip:hover { border-color: var(--ink); }
.cl-tools { display: flex; justify-content: flex-end; margin-bottom: 12px; }
.clusters { border-top: 1px solid var(--ink); }
.cluster { border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--hdr) + 16px); }
.cluster summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 44px minmax(0, 1fr) auto 36px; gap: 16px; align-items: center; padding: 20px 0; }
.cluster summary::-webkit-details-marker { display: none; }
.cluster summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.cl-n { color: var(--ink-3); font-size: .8rem; }
.cl-t { display: grid; gap: 2px; }
.cl-t b { font: 700 1.3rem/1.2 var(--f-display); color: var(--ink); letter-spacing: -.015em; }
.cl-t .muted { font-size: .92rem; }
.cl-c { font-size: .74rem; color: var(--ink-3); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.cl-plus { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: transform .35s var(--ease), background .25s; }
.cl-plus svg { width: 14px; height: 14px; }
.cluster[open] .cl-plus { transform: rotate(45deg); background: var(--ink); color: var(--paper); border-color: var(--ink); }
.cl-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; padding: 0 0 22px 60px; }
.cl-list a { display: grid; gap: 4px; padding: 14px 0; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink-2); }
.cl-list a b { color: var(--ink); font-size: 1rem; line-height: 1.35; }
.cl-list a span:not(.mono) { font-size: .88rem; line-height: 1.45; }
.cl-list a:hover b { text-decoration: underline; }

/* ---------- guide (article) pages ---------- */
.ar-hero { padding-bottom: clamp(24px, 4vw, 40px); }
.ar-h1 { max-width: 24ch; margin-top: 8px; }
.ar-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 18px; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.ar-meta span + span::before { content: "·"; margin-right: 18px; color: var(--line-2); }
.ar-wrap { border-top: 1px solid var(--line); }
.ar-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(28px, 5vw, 72px); align-items: start; }
.ar-body { max-width: 760px; }
.ar-answer { border-left: 3px solid var(--ink); padding: 4px 0 4px 20px; margin-bottom: 28px; }
.ar-answer p { margin: 10px 0 0; font: 500 1.18rem/1.55 var(--f-sans); color: var(--ink); }
.ar-take { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; margin-bottom: 32px; }
.ar-take ol { margin: 12px 0 0; padding-left: 20px; display: grid; gap: 8px; }
.ar-take li { font-size: .97rem; padding-left: 4px; }
.ar-take li::marker { font: 600 .82rem var(--f-mono); color: var(--ink-3); }
.ar-sec { margin-bottom: 26px; scroll-margin-top: calc(var(--hdr) + 16px); }
.ar-sec .h-sub { margin-bottom: 10px; scroll-margin-top: calc(var(--hdr) + 16px); }
.ar-body .fig { margin: 34px 0; }
.ar-faq { margin-top: 36px; }
.ar-faq .h-sub { margin-bottom: 14px; scroll-margin-top: calc(var(--hdr) + 16px); }
.ar-sticky { position: sticky; top: calc(var(--hdr) + 20px); display: grid; gap: 18px; }
.ar-toc ol { list-style: none; display: grid; gap: 0; margin-top: 10px; border-top: 1px solid var(--line); }
.ar-toc a { display: block; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .88rem; color: var(--ink-2); text-decoration: none; }
.ar-toc a:hover, .ar-toc a.on { color: var(--ink); font-weight: 600; }
.bp-card { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 16px 18px; display: grid; gap: 10px; }
.bp-card p { margin: 0; font-size: .9rem; }
.bp-row { display: grid; gap: 6px; padding-top: 10px; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink-2); font-size: .86rem; }
.bp-row img { height: 20px; width: auto; }
.bp-row:hover span { color: var(--ink); text-decoration: underline; }
.ar-rel ul { list-style: none; display: grid; gap: 0; margin-top: 10px; border-top: 1px solid var(--line); }
.ar-rel a { display: grid; gap: 2px; padding: 10px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.ar-rel a b { font-size: .9rem; color: var(--ink); line-height: 1.35; }
.ar-rel a:hover b { text-decoration: underline; }

/* process workflow */
.pf { margin: 36px 0; }
.pf .h-sub { margin: 8px 0 16px; scroll-margin-top: calc(var(--hdr) + 16px); }
.pf-steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0; position: relative; counter-reset: s; }
.pf-steps li { position: relative; display: grid; gap: 6px; align-content: start; padding: 0 14px 0 0; }
.pf-steps li::before { content: ""; position: absolute; left: 34px; right: 0; top: 17px; height: 2px; background: var(--line-2); }
.pf-steps li:last-child::before { display: none; }
.pf-n { position: relative; z-index: 1; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--ink); background: var(--card); display: grid; place-items: center; font: 600 .78rem/1 var(--f-mono); color: var(--ink); margin-bottom: 6px; }
.pf-steps li:last-child .pf-n { background: var(--ink); color: var(--paper); }
.pf-steps b { color: var(--ink); font-size: .96rem; line-height: 1.3; }
.pf-steps li > span:last-child { font-size: .86rem; color: var(--ink-2); line-height: 1.45; }

/* ---------- infographics ---------- */
.ig .ig-title { margin: 8px 0 20px; font-size: 1.25rem; }
.ig-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.ig-stat { padding: 18px 14px 6px 0; display: grid; gap: 6px; }
.ig-stat + .ig-stat { padding-left: 14px; border-left: 1px solid var(--line); }
.ig-stat b { font: 700 2rem/1 var(--f-display); color: var(--ink); letter-spacing: -.02em; }
.ig-stat span { font-size: .86rem; color: var(--ink-2); }
.ig-legend { display: flex; gap: 18px; margin-bottom: 12px; font: 500 .7rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ig-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -2px; }
.ig-legend i.b, .ig-ba-bars i.b { background: var(--line-2); }
.ig-legend i.a, .ig-ba-bars i.a { background: var(--ink); }
.ig-ba { display: grid; gap: 14px; }
.ig-ba-row { display: grid; grid-template-columns: 180px minmax(0, 1fr) auto; gap: 6px 16px; align-items: center; }
.ig-lab { font-size: .9rem; font-weight: 600; color: var(--ink); }
.ig-ba-bars { display: grid; gap: 5px; }
.ig-ba-bars i { display: block; height: 12px; border-radius: 6px; width: var(--w); transform-origin: left; }
.ig-ba-val { display: flex; align-items: center; gap: 10px; justify-content: flex-end; font-size: .78rem; color: var(--ink-3); }
.ig-chg { font: 600 .74rem/1 var(--f-mono); padding: 5px 7px; border-radius: 5px; }
.ig-chg.good { background: var(--crft-soft); color: var(--crft-ink); }
.ig-chg.bad { background: var(--indux-soft); color: var(--indux-ink); }
.ig-funnel { display: grid; gap: 6px; justify-items: center; }
.ig-fun-row { width: var(--w); min-width: 230px; display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-radius: 10px; background: var(--paper-2); border: 1px solid var(--line); font-size: .9rem; font-weight: 600; color: var(--ink); transform-origin: center; }
.ig-fun-row.last { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ig-cycle { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(18px, 3vw, 40px); align-items: center; }
.ig-cycle-svg { width: 100%; height: auto; }
.ig-orbit { transform-origin: 160px 160px; animation: ig-spin var(--dur, 9s) linear infinite; }
@keyframes ig-spin { to { transform: rotate(360deg); } }
.ig-num { font: 600 11px var(--f-mono); fill: var(--ink); }
.ig-center { font: 700 15px var(--f-display); fill: var(--ink); }
.ig-cycle-list { list-style: none; display: grid; gap: 8px; }
.ig-cycle-list li { display: grid; grid-template-columns: 30px 1fr; gap: 8px; font-size: .92rem; }
.ig-cycle-list .mono { color: var(--ink-3); font-size: .76rem; padding-top: 3px; }
.ig-cycle-list b { color: var(--ink); }
.ig-matrix { display: grid; grid-template-columns: 26px minmax(0, 1fr); grid-template-rows: auto auto; gap: 8px; }
.ig-y { grid-row: 1; grid-column: 1; writing-mode: vertical-rl; transform: rotate(180deg); text-align: center; font: 500 .68rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ig-qs { grid-row: 1; grid-column: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ig-q { min-height: 116px; padding: 16px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--tone); display: grid; gap: 6px; align-content: start; }
.ig-q b { color: var(--ink); font-size: .98rem; }
.ig-q span { font-size: .86rem; color: var(--ink-2); }
.ig-x { grid-row: 2; grid-column: 2; text-align: center; font: 500 .68rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ig-bars { display: grid; gap: 12px; }
.ig-bar-row { display: grid; grid-template-columns: 200px minmax(0, 1fr) auto; gap: 6px 14px; align-items: center; }
.ig-bar { display: block; height: 22px; }
.ig-bar i { display: block; height: 100%; width: var(--w); border-radius: 5px; background: var(--ink-3); transform-origin: left; }
.ig-bar-row.hl .ig-bar i { background: var(--ink); }
.ig-bar-row b { font-size: .84rem; color: var(--ink-2); }
.ig-bar-row.hl b { color: var(--ink); }
.ig-layers { display: grid; gap: 6px; justify-items: center; }
.ig-layer { width: var(--w); min-width: 230px; padding: 13px 18px; border-radius: 10px; text-align: center; background: var(--card); border: 1px solid var(--line-2); display: grid; gap: 2px; }
.ig-layer.top { background: var(--ink); border-color: var(--ink); }
.ig-layer.top b, .ig-layer.top span { color: var(--paper); }
.ig-layer b { color: var(--ink); font-size: .95rem; }
.ig-layer span { font-size: .82rem; color: var(--ink-3); }
/* grow-in when the figure scrolls into view (site.js adds .in to .rv / .draw; pages.js adds .in to .ig) */
.js .ig .ig-ba-bars i, .js .ig .ig-bar i { transform: scaleX(0); transition: transform .9s var(--ease); }
.js .ig .ig-fun-row, .js .ig .ig-layer, .js .ig .ig-q, .js .ig .ig-stat { opacity: 0; transform: translateY(8px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .ig.in .ig-ba-bars i, .js .ig.in .ig-bar i { transform: scaleX(1); }
.js .ig.in .ig-fun-row, .js .ig.in .ig-layer, .js .ig.in .ig-q, .js .ig.in .ig-stat { opacity: 1; transform: none; }
.js .ig.in .ig-fun-row:nth-child(2), .js .ig.in .ig-layer:nth-child(2), .js .ig.in .ig-q:nth-child(2), .js .ig.in .ig-stat:nth-child(2) { transition-delay: .08s; }
.js .ig.in .ig-fun-row:nth-child(3), .js .ig.in .ig-layer:nth-child(3), .js .ig.in .ig-q:nth-child(3), .js .ig.in .ig-stat:nth-child(3) { transition-delay: .16s; }
.js .ig.in .ig-fun-row:nth-child(4), .js .ig.in .ig-layer:nth-child(4), .js .ig.in .ig-q:nth-child(4), .js .ig.in .ig-stat:nth-child(4) { transition-delay: .24s; }
.js .ig.in .ig-fun-row:nth-child(n+5), .js .ig.in .ig-layer:nth-child(n+5) { transition-delay: .32s; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .lever-grid, .al, .cap-grid, .case-head, .case-grid, .ar-grid { grid-template-columns: 1fr; }
  .case-meta { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 14px; }
  .hz-grid { grid-template-columns: 1fr; }
  .hz + .hz { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .ins-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ar-sticky { position: static; }
  .ar-toc { display: none; }
  .g-list, .cl-list { grid-template-columns: 1fr; }
  .cl-list { padding-left: 0; }
}
@media (max-width: 720px) {
  .al-stack button.on { transform: none; }
  .rel-list { grid-template-columns: 1fr; }
  .case-index { grid-template-columns: 1fr; }
  .case-results { grid-template-columns: 1fr 1fr; }
  .case-results > div:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .case-results > div:nth-child(2n) { padding-left: 12px; border-left: 1px solid var(--line); }
  .case-stack li { grid-template-columns: 1fr; gap: 2px; }
  .ins-cols { grid-template-columns: 1fr; }
  .cluster summary { grid-template-columns: 30px minmax(0, 1fr) 34px; }
  .cl-c { display: none; }
  .ig-ba-row, .ig-bar-row { grid-template-columns: 1fr; }
  .ig-ba-val { justify-content: flex-start; }
  .ig-cycle { grid-template-columns: 1fr; }
  .ig-cycle-svg { max-width: 260px; margin: 0 auto; }
  .ig-qs { grid-template-columns: 1fr; }
  .pf-steps { grid-template-columns: 1fr; gap: 14px; }
  .pf-steps li { grid-template-columns: 44px 1fr; column-gap: 12px; padding: 0; }
  .pf-steps li .pf-n { grid-row: 1 / span 2; margin: 0; }
  .pf-steps li::before { left: 17px; right: auto; top: 36px; bottom: -14px; width: 2px; height: auto; }
  .stack-grid { grid-template-columns: 1fr; }
  .g-tools { position: static; }
  .proof-row > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) {
  .ig-orbit { animation: none; }
  .js .ig .ig-ba-bars i, .js .ig .ig-bar i { transform: none; }
  .js .ig .ig-fun-row, .js .ig .ig-layer, .js .ig .ig-q, .js .ig .ig-stat { opacity: 1; transform: none; }
  .js .gantt .gt-track i { transform: none; }
}

/* ---------- update 27 Oct 2026: guides and case studies, easier to scan (same words) ---------- */
.ar-take ol { list-style: none; padding: 0; counter-reset: tk; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.ar-take li { counter-increment: tk; display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 8px; padding: 12px 0 10px; border-top: 1px solid var(--line); }
.ar-take li::before { content: counter(tk, decimal-leading-zero); font: 700 1.3rem/1.1 var(--f-display); letter-spacing: -.02em; color: var(--ink); }
.ar-sec { margin-bottom: 30px; }
.ar-sec-n { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font: 600 .74rem/1 var(--f-mono); letter-spacing: .1em; color: var(--ink); }
.ar-sec-n i { font-style: normal; font-weight: 500; color: var(--ink-4); }
.ar-sec-n::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.ar-pull { margin: 16px 0 0; padding: 12px 16px 12px 18px; border-left: 3px solid var(--ink); border-radius: 0 10px 10px 0; background: var(--paper-2); font: 600 1.1rem/1.45 var(--f-display); letter-spacing: -.01em; color: var(--ink); }
.ar-inguide { display: none; }
.case-flow { list-style: none; display: grid; }
.case-flow > li { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding-bottom: 26px; }
.case-flow > li:last-child { padding-bottom: 0; }
.case-flow > li::before { content: ""; position: absolute; left: 19px; top: 40px; bottom: 0; width: 2px; background: var(--line-2); }
.case-flow > li:last-child::before { display: none; }
.cf-n { position: relative; z-index: 1; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1.5px solid var(--ink); background: var(--card); font: 600 .78rem/1 var(--f-mono); color: var(--ink); }
.cf-to .cf-n { background: var(--ink); color: var(--paper); }
.case-flow .h-sub { margin: 7px 0 8px; }
.case-flow p { margin: 0; }
@media (max-width: 960px) {
  .ar-inguide { display: block; margin: -8px 0 32px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper-2); }
  .ar-inguide ol { list-style: none; display: grid; margin-top: 10px; }
  .ar-inguide li a { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 8px; padding: 9px 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: .95rem; font-weight: 500; }
  .ar-inguide .mono { padding-top: 3px; font-size: .74rem; color: var(--ink-3); }
  .ar-inguide p { margin: 8px 0 0; padding-top: 10px; border-top: 1px solid var(--line); font-size: .86rem; }
  .ar-inguide p a { color: var(--ink-2); }
}
@media (max-width: 720px) {
  .ar-take ol { grid-template-columns: 1fr; }
  .ar-pull { font-size: 1.02rem; }
}