/* ===================================================================
   case-feedback-intelligence.css · Customer Feedback Intelligence case study
   Same markup and content as before; look and feel from the design system
   (Figma "Caro Milkez · Design System"). Needs tokens.css and site.css first.
   Sections alternate like the homepage: dark hero, white, dark, white, sand,
   dark, white. Crimson is the single accent; teal for secondary data.
   =================================================================== */

/* Old variable names still used by inline styles in the markup, mapped to the system */
:root{--paper-2:var(--sand);--clay:var(--crimson);--blue:var(--teal);--sky:var(--teal-light);--muted-d:var(--charcoal-light);--serif:var(--font)}

/* section themes (site.css provides .dark and .light) */
.hero{--bg:var(--charcoal);--fg:var(--white);--fg-2:var(--charcoal-light);--line:var(--line-d);--focus:var(--white);background:var(--bg);color:var(--fg)}
.challenge,.sol,.tech{--bg:var(--white);--fg:var(--charcoal);--fg-2:var(--ink-2);--line:var(--line-l);--pill-hover:var(--charcoal);--pill-hover-fg:var(--white);--focus:var(--crimson-deep);background:var(--bg);color:var(--fg)}
.ops{--bg:var(--sand);--fg:var(--charcoal);--fg-2:var(--ink-2);--line:var(--line-l);--focus:var(--crimson-deep);background:linear-gradient(160deg,var(--sand-light),var(--sand))!important;color:var(--fg)}
.pad{padding:var(--section-y) 0;position:relative}
section{position:relative;overflow:hidden}
section .wrap{position:relative;z-index:2}

/* type */
h1,h2,h3,h4,h5{font-family:var(--font);font-weight:800;color:inherit}
h2{margin-bottom:var(--space-6)}
.lede{color:var(--fg-2);margin-bottom:var(--space-6)}
em{font-style:normal}
.lede em{color:var(--fg);font-weight:700}

/* eyebrow: tracked caps, like the homepage chapter tags (no mono, no rule, no numbering) */
.eyebrow{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-5);font-size:var(--fs-tag);font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--fg)}

/* reveal: hidden only when JavaScript runs; reduced motion shows everything */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* contour lines: quiet line art, as on the homepage guides */
.contour{display:block;position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.contour path{fill:none;stroke-width:1;stroke:rgba(217,221,228,.08)}

/* glows: teal only */
.hero .glow{width:min(70vw,780px);height:min(70vw,780px);right:-12%;top:-18%}
.hero .glow2{position:absolute;z-index:0;border-radius:50%;pointer-events:none;width:520px;height:520px;left:-14%;bottom:-30%;background:radial-gradient(circle,rgba(82,117,111,.26) 0%,rgba(82,117,111,0) 68%)}
.insight .glow{width:min(70vw,760px);height:min(70vw,760px);top:10%;left:-18%}
.value .glow{width:min(60vw,640px);height:min(60vw,640px);background:radial-gradient(circle,rgba(82,117,111,.42) 0%,rgba(82,117,111,0) 68%)!important}

/* ------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------ */
.hero{min-height:max(640px,88svh);display:flex;align-items:center;padding:150px 0 110px}
.hero .wrap{width:var(--content)}
.hero-meta{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:var(--fs-tag);font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--charcoal-light)}
.hero-meta span:nth-child(2){color:var(--crimson)}
.hero h1{font-size:var(--fs-display);font-weight:900;line-height:.98;letter-spacing:-.04em;margin-top:var(--space-6);max-width:12ch;text-wrap:balance}
.hero h1 em{color:var(--crimson);margin:0 .2em}
.hero-sub{font-size:var(--fs-lede-strong);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--fg-2);max-width:46ch;margin-top:var(--space-8)}
.hero-foot{margin-top:var(--space-10)}
.tag{display:inline-flex;align-items:center;min-height:40px;padding:8px 18px;border-radius:var(--r-full);border:1px solid var(--line-d);font-size:15px;font-weight:500;color:var(--charcoal-light)}
.hero .anim{opacity:0;transform:translateY(22px);animation:rise .9s var(--ease) forwards}
.hero .a1{animation-delay:.1s}.hero .a2{animation-delay:.28s}.hero .a3{animation-delay:.46s}.hero .a4{animation-delay:.62s}.hero .a5{animation-delay:.78s}
@keyframes rise{to{opacity:1;transform:none}}
.scrollcue{position:absolute;bottom:30px;left:50%;translate:-50% 0;z-index:2;display:flex;flex-direction:column;align-items:center;gap:9px;font-size:12px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--charcoal-light)}
.scrollcue .bar{width:1px;height:34px;background:linear-gradient(var(--crimson),transparent);animation:drop 1.9s var(--ease-io) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ------------------------------------------------------------------
   01 · Challenge
   ------------------------------------------------------------------ */
.challenge .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,96px);align-items:start}
.statrow{display:flex;gap:clamp(20px,4vw,48px);flex-wrap:wrap}
.stat{flex:1;min-width:150px}
.stat .num{font-size:clamp(46px,6vw,76px);font-weight:900;line-height:1;letter-spacing:-.04em;color:var(--fg)}
.stat .num .u{font-size:.5em;vertical-align:.14em;margin-left:2px;color:var(--crimson)}
.stat .cap{font-size:var(--fs-caption);line-height:1.5;color:var(--fg-2);margin-top:var(--space-3);max-width:26ch}

/* the quote: a chat-card voice on sand, raised */
.quote{position:relative;background:var(--sand-light);border-radius:var(--r-card) var(--r-card) var(--r-card) var(--r-tail);padding:var(--space-10) var(--space-8) var(--space-8);box-shadow:var(--shadow-raised)}
.quote .mk{font-size:84px;font-weight:900;line-height:.6;height:36px;color:var(--crimson)}
.quote p{font-size:var(--fs-quote);font-weight:800;line-height:1.15;letter-spacing:-.03em;color:var(--charcoal);margin:var(--space-2) 0 var(--space-6);max-width:none}
.quote .split{display:flex;gap:var(--space-2);flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:6px 14px;border-radius:var(--r-full);font-size:14px;font-weight:700;color:var(--charcoal)}
.chip.pos{background:var(--teal-light)}
.chip.neg{background:var(--crimson-light)}
.quote .flat{margin-top:var(--space-5);font-size:var(--fs-caption);line-height:1.5;color:var(--ink-2)}
.quote .flat b{color:var(--charcoal);font-weight:800}

/* three frictions: boxes */
.frictions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4);margin-top:var(--space-16)}
.friction{padding:var(--space-7) var(--space-6) var(--space-6);border-radius:var(--r-sm);border:1px solid var(--line-l);transition:border-color var(--dur-slow) var(--ease),background var(--dur-slow) var(--ease)}
.friction:hover{border-color:var(--charcoal);background:var(--sand-light)}
.friction .n{font-family:var(--mono);font-size:12px;color:var(--crimson-deep);letter-spacing:.06em}
.friction h4{font-size:var(--fs-h3);line-height:1.05;letter-spacing:-.025em;margin:var(--space-3) 0 var(--space-2)}
.friction p{font-size:var(--fs-caption);line-height:1.5}

/* ------------------------------------------------------------------
   02 · Insight (dark)
   ------------------------------------------------------------------ */
.insight .head{display:grid;grid-template-columns:1.4fr .6fr;gap:var(--space-10);align-items:end}
.silbox{text-align:right;cursor:pointer;border:1px solid transparent;border-radius:var(--r-card);padding:var(--space-4) var(--space-5);transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}
.silbox:hover{border-color:var(--line-art);background:rgba(217,221,228,.04)}
.silbox .num{font-size:clamp(40px,5vw,66px);font-weight:900;line-height:1;letter-spacing:-.04em;color:var(--white)}
.silbox .lbl{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;line-height:1.5;color:var(--charcoal-light);margin-top:var(--space-2)}
.silbox .toggle,.seg .toggle{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-4);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-light)}
.silbox .toggle{justify-content:flex-end}
/* the + is drawn with two centred bars (the text glyph sits off-centre), so the × stays centred when it turns */
.silbox .toggle .ic,.seg .toggle .ic{position:relative;flex:none;display:inline-block;width:22px;height:22px;border-radius:50%;border:1px solid currentColor;font-size:0;color:inherit;transition:transform var(--dur-base) var(--ease)}
.silbox .toggle .ic::before,.seg .toggle .ic::before,.silbox .toggle .ic::after,.seg .toggle .ic::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.5px;margin:-.75px 0 0 -5px;border-radius:1px;background:currentColor}
.silbox .toggle .ic::after,.seg .toggle .ic::after{transform:rotate(90deg)}
.silbox.open .toggle .ic,.seg.open .toggle .ic{transform:rotate(45deg)}
/* expanders: the hidden row grows from 0fr to 1fr (no height or margin animation) */
.silbox{display:grid;align-content:start;grid-template-rows:auto auto 0fr auto;transition:grid-template-rows var(--dur-base) var(--ease),border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}
.silbox.open{grid-template-rows:auto auto 1fr auto}
.seg{display:grid;align-content:start;grid-template-rows:auto auto auto auto 0fr auto}
.seg.open{grid-template-rows:auto auto auto auto 1fr auto}
.silbox .more,.seg .more{min-height:0;overflow:hidden;opacity:0;text-align:left;transition:opacity .4s var(--ease)}
.silbox.open .more,.seg.open .more{opacity:1}
.silbox .more .div,.seg .more .div{height:1px;background:var(--line-d);margin:var(--space-5) 0 var(--space-4)}
.silbox .explain{font-size:var(--fs-caption);line-height:1.6;color:var(--charcoal-light);border-left:2px solid var(--crimson);padding-left:var(--space-4)}
.silbox .explain i{font-style:normal;font-weight:700;color:var(--white)}

.quad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4);margin-top:var(--space-12)}
.seg{position:relative;cursor:pointer;border-radius:var(--r-card);padding:var(--space-7);background:rgba(217,221,228,.03);box-shadow:var(--shadow-ring);transition:grid-template-rows var(--dur-base) var(--ease),box-shadow var(--dur-base) var(--ease),transform var(--dur-base) var(--ease),background var(--dur-base) var(--ease)}
.seg:hover{box-shadow:inset 0 0 0 1px rgba(226,54,87,.55);transform:translateY(-3px);background:rgba(217,221,228,.05)}
.seg .tier{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-light)}
.seg.lev .tier,.seg.lev .toggle{color:var(--crimson-light)}
.seg.lev{background:linear-gradient(135deg,rgba(226,54,87,.12),rgba(217,221,228,.03))}
.seg .pct{font-size:clamp(40px,4.6vw,56px);font-weight:900;line-height:1;letter-spacing:-.04em;margin:var(--space-4) 0 var(--space-2)}
.seg .name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--white)}
.seg .one{font-size:var(--fs-caption);line-height:1.5;color:var(--charcoal-light);margin-top:var(--space-2)}
.seg .more .row{display:flex;gap:var(--space-3);font-size:var(--fs-caption);line-height:1.5;color:var(--charcoal-light);margin-bottom:var(--space-2)}
.seg .more .row b{min-width:78px;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--white);padding-top:2px}

.punch{margin-top:var(--space-12);padding-top:var(--space-8);border-top:1px solid var(--line-d);max-width:60ch}
.punch p{font-size:var(--fs-quote);font-weight:800;line-height:1.25;letter-spacing:-.025em;color:var(--white);max-width:none}
.punch p em{color:var(--crimson)}

/* ------------------------------------------------------------------
   03 · Solution: the live transform
   ------------------------------------------------------------------ */
.sol .head{max-width:60ch}
.lab{margin-top:var(--space-12);border-radius:var(--r-card);overflow:hidden;background:var(--white);box-shadow:0 0 0 1px var(--line-l),var(--shadow-raised)}
.lab-top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;padding:var(--space-4) var(--space-6);border-bottom:1px solid var(--line-l);background:var(--sand-light)}
.lab-top .dot{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--charcoal)}
.lab-top .dot::first-letter{color:var(--crimson)}
.samples{display:flex;gap:var(--space-2)}
.samp{display:inline-flex;align-items:center;min-height:var(--size-target);padding:0 var(--space-5);border-radius:var(--r-full);border:1px solid var(--line-l);font-size:15px;font-weight:700;color:var(--charcoal);background:var(--white);transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}
.samp:hover{border-color:var(--charcoal)}
.samp.active{background:var(--charcoal);border-color:var(--charcoal);color:var(--white)}
.lab-body{display:grid;grid-template-columns:1fr auto 1.25fr;align-items:stretch}
.lab-in{padding:var(--space-8) var(--space-7)}
.lab-in .tg,.lab-out .tg{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--crimson-deep);margin-bottom:var(--space-4)}
.lab-out .tg{color:var(--teal)}
.lab-in .review{font-size:clamp(18px,1.9vw,22px);font-weight:700;line-height:1.45;letter-spacing:-.01em;color:var(--charcoal);min-height:96px}
.lab-in .meta{display:flex;gap:var(--space-2);flex-wrap:wrap;margin-top:var(--space-5)}
.meta .m{display:inline-flex;align-items:center;min-height:30px;padding:4px 12px;border-radius:var(--r-full);background:var(--sand-light);font-size:14px;font-weight:700;color:var(--charcoal)}
.runwrap{margin-top:var(--space-6)}
/* run: a small primary pill (crimson-deep, label under 19px) */
.run{display:inline-flex;align-items:center;gap:var(--space-3);min-height:var(--size-target);padding:0 var(--space-6);border-radius:var(--r-full);background:var(--crimson-deep);color:var(--white);font-size:15px;font-weight:700;letter-spacing:-.01em;transition:background var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease)}
.run:hover{background:var(--charcoal)}
.run:active{transform:scale(.98)}
.run .arr{display:inline-block;transition:transform var(--dur-fast) var(--ease)}
.run:hover .arr{transform:translateX(3px)}
.run:disabled{opacity:.55;cursor:default;transform:none}
.lab-mid{width:1px;background:var(--line-l)}
.lab-out{padding:var(--space-7) var(--space-7) var(--space-6);background:linear-gradient(180deg,rgba(201,215,211,.28),rgba(201,215,211,0))}
.ofield{opacity:0;transform:translateX(14px);border-left:2px solid var(--teal);padding:var(--space-2) 0 var(--space-2) var(--space-4);margin-bottom:var(--space-3);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.ofield.show{opacity:1;transform:none}
.ofield.urg{border-color:var(--crimson)}
.ofield .k{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.ofield .v{font-size:var(--fs-caption);line-height:1.45;color:var(--charcoal);margin-top:4px}
.ofield .v b{font-weight:800}
.badge{display:inline-flex;align-items:center;min-height:24px;padding:2px 10px;border-radius:var(--r-full);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;vertical-align:1px;background:var(--crimson-light);color:var(--charcoal)}
.placeholder{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);width:100%;min-height:var(--size-control-md);padding:var(--space-4) var(--space-5);border:1px dashed rgba(25,28,35,.28);border-radius:var(--r-sm);text-align:left;font-size:var(--fs-caption);color:var(--ink-2);transition:border-color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}
.placeholder:hover{border-color:var(--crimson);background:rgba(231,200,208,.25)}
.placeholder b{font-weight:800;color:var(--charcoal)}

/* five outputs */
.outputs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-3);margin-top:var(--space-5)}
.op{padding:var(--space-5) var(--space-5) var(--space-6);border-radius:var(--r-sm);border:1px solid var(--line-l)}
.op .i{font-family:var(--mono);font-size:12px;color:var(--crimson-deep)}
.op h5{font-size:18px;font-weight:700;letter-spacing:-.01em;margin:var(--space-3) 0 var(--space-1)}
.op p{font-size:14px;line-height:1.45}

/* ------------------------------------------------------------------
   04 · Operating model (sand)
   ------------------------------------------------------------------ */
.ops .head{max-width:56ch}
.ops .lede em{color:var(--crimson-deep)}
.router{margin-top:var(--space-12);display:flex;flex-direction:column;gap:var(--space-3)}
.route{display:grid;grid-template-columns:220px 1fr;align-items:stretch;border-radius:var(--r-card);overflow:hidden;background:var(--white);cursor:pointer;box-shadow:0 0 0 1px var(--line-l);transition:transform var(--dur-base) var(--ease),box-shadow var(--dur-base) var(--ease)}
.route:hover{transform:translateX(5px);box-shadow:0 0 0 1px var(--line-l),var(--shadow-raised)}
.route .tier{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:var(--space-5) var(--space-6);color:var(--white)}
.route .tier .lvl{font-family:var(--mono);font-size:12px;opacity:.85}
.route .tier .t{font-size:24px;font-weight:800;letter-spacing:-.02em}
.route.critical .tier{background:var(--crimson-deep)}
.route.actionable .tier{background:var(--crimson-light);color:var(--charcoal)}
.route.monitor .tier{background:var(--teal)}
.route.insight .tier{background:var(--charcoal)}
.route .body{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-3) clamp(16px,3vw,40px);padding:var(--space-5) var(--space-6)}
.route .who{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.route .who b{display:block;margin-top:4px;font-size:18px;font-weight:800;letter-spacing:-.01em;text-transform:none;color:var(--charcoal)}
.route .act{font-size:var(--fs-caption);line-height:1.45;color:var(--ink-2);max-width:44ch;display:none}
.route.open .act{display:block;animation:actIn var(--dur-base) var(--ease)}
@keyframes actIn{from{opacity:0}to{opacity:1}}
/* the arrow is drawn as a centred SVG (the text glyph sits off-centre); it rotates, the circle does not move */
.route .arrow{margin-left:auto;flex:none;width:var(--size-bullet-sm);height:var(--size-bullet-sm);border-radius:50%;font-size:0;color:transparent;background-color:var(--charcoal);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8h10M9 4l4 4-4 4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:14px 14px;transition:transform var(--dur-base) var(--ease),background-color var(--dur-base) var(--ease)}
/* closed: points down (opens); open: points up (closes) */
.route .arrow{transform:rotate(90deg)}
.route.open .arrow{background-color:var(--crimson);transform:rotate(-90deg)}
.gate{display:flex;gap:var(--space-4);align-items:flex-start;margin-top:var(--space-8);padding:var(--space-6) var(--space-7);border:1px dashed rgba(25,28,35,.28);border-radius:var(--r-card)}
.gate .ic{flex:none;display:grid;place-items:center;width:var(--size-bullet-md);height:var(--size-bullet-md);border-radius:50%;background:var(--teal);color:var(--white);font-size:20px;line-height:1}
.gate p{font-size:var(--fs-small);line-height:1.55;max-width:72ch}
.gate p b{color:var(--charcoal);font-weight:800}

/* ------------------------------------------------------------------
   05 · Value (dark)
   ------------------------------------------------------------------ */
.value h2{max-width:18ch}
.value .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}
.impacts{display:flex;flex-direction:column}
.imp{padding:var(--space-6) 0;border-top:1px solid var(--line-d)}
.imp:last-child{border-bottom:1px solid var(--line-d)}
.imp .ar{color:var(--crimson);font-size:20px;font-weight:800;margin-right:var(--space-2)}
.imp h4{display:inline;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--white)}
.imp p{font-size:var(--fs-caption);line-height:1.5;margin-top:var(--space-2);max-width:46ch}
.costcard{border-radius:var(--r-card);padding:var(--space-8) var(--space-8) var(--space-7);background:rgba(217,221,228,.04);box-shadow:var(--shadow-ring)}
.costcard .tg{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-light);margin-bottom:var(--space-5)}
.costline{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-4);padding:var(--space-4) 0;border-bottom:1px solid var(--line-d)}
.costline:last-child{border-bottom:none}
.costline .lbl{font-size:var(--fs-caption);color:var(--charcoal-light)}
.costline .v{font-size:clamp(28px,3.4vw,40px);font-weight:900;letter-spacing:-.03em;color:var(--white)}
.costline .v .u{font-size:.5em;color:var(--crimson)}
.costnote{font-size:14px;line-height:1.5;color:var(--charcoal-light);margin-top:var(--space-4)}
.ringwrap{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-8);margin-top:var(--space-8)}
.ring{position:relative;flex-shrink:0;width:150px;height:150px;border-radius:50%;background:conic-gradient(var(--crimson) 0 48%,var(--teal) 48% 72%,var(--teal-light) 72% 90%,rgba(217,221,228,.4) 90% 100%)}
.ring::after{content:"";position:absolute;inset:24px;border-radius:50%;background:var(--charcoal)}
.ring .cen{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .cen b{font-size:28px;font-weight:900;letter-spacing:-.03em;color:var(--white)}
.ring .cen span{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--charcoal-light)}
.legend{display:flex;flex-direction:column;gap:var(--space-2)}
.legend .li{display:flex;align-items:center;gap:var(--space-3);font-size:var(--fs-caption);color:var(--charcoal-light)}
.legend .sw{width:12px;height:12px;border-radius:50%}
.legend .li b{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--white)}

/* ------------------------------------------------------------------
   06 · Under the hood
   ------------------------------------------------------------------ */
.tech .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,6vw,96px);align-items:start}
.techcopy p{font-size:var(--fs-small);line-height:1.65;margin-bottom:var(--space-4)}
.techcopy p b{color:var(--charcoal);font-weight:800}
/* download link as a ghost pill */
.linkout{display:inline-flex;align-items:center;gap:var(--space-3);min-height:var(--size-target);padding:0 var(--space-5);border-radius:var(--r-full);border:1.5px solid var(--charcoal);font-size:15px;font-weight:700;color:var(--charcoal);text-decoration:none;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}
.linkout span{display:inline-block;transition:transform var(--dur-fast) var(--ease)}
.linkout:hover{background:var(--charcoal);color:var(--white)}
.linkout:hover span{transform:translateY(2px)}
.techstats{display:flex;flex-direction:column}
.ts{display:flex;gap:var(--space-6);align-items:baseline;padding:var(--space-5) 0;border-top:1px solid var(--line-l)}
.ts:last-child{border-bottom:1px solid var(--line-l)}
.ts .n{min-width:130px;font-size:clamp(30px,3.6vw,44px);font-weight:900;line-height:1;letter-spacing:-.03em;color:var(--charcoal)}
.ts .n .u{font-size:.5em;color:var(--crimson)}
.ts .d{font-size:var(--fs-caption);line-height:1.5;color:var(--ink-2)}
.ts .d b{color:var(--charcoal);font-weight:800}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */
@media (max-width:960px){
  .challenge .grid,.value .grid,.tech .grid,.insight .head{grid-template-columns:1fr}
  .silbox{text-align:left;padding-left:0}
  .silbox .toggle{justify-content:flex-start}
  .quad,.frictions{grid-template-columns:1fr}
  .lab-body{grid-template-columns:1fr}
  .lab-mid{width:100%;height:1px}
  .outputs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .route{grid-template-columns:1fr}
  .route .tier{flex-direction:row;justify-content:space-between;align-items:center}
  .ts{flex-direction:column;gap:var(--space-2)}
  .ts .n{min-width:0}
}
@media (max-width:560px){
  .outputs{grid-template-columns:1fr}
  .samples{width:100%}
  /* the markup has no space before the highlighted word, so it takes its own line */
  .hero h1 em{display:block;margin:0}
  .quote{padding:var(--space-8) var(--space-6) var(--space-6)}
}
@media (prefers-reduced-motion:reduce){
  .js .rv,.hero .anim{opacity:1;transform:none;animation:none}
  .scrollcue .bar{animation:none}
}