/* Response 24 Hours — v16. Original scroll composition; no external fonts/assets.
   Shared screen and keypad tiles morph through three layouts. Native scroll only. */
.r15{--paper:#f7f7f4;--ink:#121e2a;--red:#bd2438;--subtle:#67717b;--header-height:84px;background:#fff;color:var(--ink)}
.r15 .shell{width:min(calc(100% - 112px),1328px)}
.r15 .site-header{background:#fff;border-color:#e7e8e6}
.r15 .site-logo,.r15 .site-logo img{width:207px}
.r15 .primary-nav{gap:32px}
.r15 .primary-nav a{font-size:12px}
.r15 h1,.r15 h2,.r15 h3{font-family:Arial,Helvetica,sans-serif}
.r15 .icon{stroke-width:1.55}
.r15 a,.r15 button{touch-action:manipulation}
.r15 .section-label{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;line-height:1.5}
/* First viewport */
.morph-story{position:relative;background:var(--paper);isolation:isolate}
.hero-pin{position:relative;min-height:740px;display:flex;flex-direction:column;overflow:clip}
.motion-on .morph-story{height:370svh}
.motion-on .hero-pin{position:sticky;top:var(--header-height);height:calc(100svh - var(--header-height));min-height:580px}
.hero-stage{display:grid;grid-template-columns:44% 56%;align-items:center;flex:1;min-height:0;position:relative}
.chapter-stack{position:relative;min-height:440px;z-index:3;align-self:center}
.chapter-copy{position:absolute;inset:0 auto auto 0;width:100%;padding-top:24px}
.chapter-copy:not([data-chapter="0"]){opacity:0;visibility:hidden;pointer-events:none}
.chapter-index{display:flex;gap:12px;align-items:center;font-size:10px;letter-spacing:.13em;text-transform:uppercase;font-weight:650;color:#5c646c;margin-bottom:29px}
.chapter-index span{background:var(--ink);color:white;width:26px;height:26px;display:grid;place-items:center;font-size:9px;letter-spacing:0;border-radius:50%;font-weight:500}
.r15 .chapter-copy h1,.r15 .chapter-copy h2{font-size:clamp(60px,6.45vw,94px);font-weight:600;letter-spacing:-.069em;line-height:.99;text-wrap:initial;margin:0 -40px 25px 0;position:relative}
.chapter-copy em{font-style:normal;color:var(--red)}
.chapter-description{font-size:16px;line-height:1.75;max-width:365px;color:#46515c}
.chapter-audience{font-size:12px;margin-top:15px;line-height:1.6;color:#68717b;max-width:370px}
.r15-button{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;background:var(--ink);color:#fff;font-size:12px;font-weight:550;line-height:1.4;padding:16px 20px;min-height:48px;border-radius:4px;margin-top:28px;border:1px solid var(--ink);transition:background .2s,transform .2s}
.r15-button .icon{width:17px;height:17px}
.r15-button:hover{background:var(--red);border-color:var(--red);transform:translateY(-2px)}
.visual-stage{height:min(58svh,620px);min-height:415px;position:relative;min-width:0;z-index:1;pointer-events:none;margin-left:-10px}
.scene-viewport{width:100%;height:100%;position:relative;perspective:1400px}
.scene-art{position:absolute;width:760px;height:620px;left:50%;top:50%;transform:translate(-50%,-50%) scale(var(--art-scale,.85));transform-origin:center;isolation:isolate}
.scene-core{position:absolute;width:760px;height:620px;inset:0;transform:perspective(1400px) rotateX(9deg) rotateY(-13deg) rotateZ(-6deg);transform-style:preserve-3d;will-change:transform}
.device-hardware{position:absolute;inset:0;width:760px;height:620px;overflow:visible;z-index:2}
.handset-hardware{transform-origin:190px 290px}
.base-hardware{transform-origin:420px 300px}
.orbit{position:absolute;width:600px;height:600px;border:1px solid #dcdedb;border-radius:50%;left:114px;top:10px;opacity:.65;z-index:-2}
.orbit-two{width:480px;height:480px;top:71px;left:174px;border-style:dashed;opacity:.8;border-color:#d8dbd7}
.orbit-center{position:absolute;width:340px;height:340px;left:247px;top:143px;border-radius:50%;background:#e6e8e2;opacity:.4;z-index:-1;filter:blur(25px)}
.scene-watermark{position:absolute;left:180px;top:6px;font-size:460px;font-family:Arial,sans-serif;font-weight:700;letter-spacing:-.1em;line-height:1.2;color:#e7e9e3;opacity:.6;z-index:-2}
.hardware-caption{position:absolute;z-index:4;font-size:12px;font-weight:500;line-height:1.5;color:#626d72;letter-spacing:-.01em}
.hardware-caption-one{left:66px;top:167px;padding-left:18px}
.hardware-caption-one i{display:block;width:5px;height:5px;border-radius:50%;background:var(--red);position:absolute;left:0;top:8px}
.hardware-caption-two{left:640px;top:420px;border-left:1px solid #b9bfbf;padding-left:14px;white-space:nowrap}
.visual-label{position:absolute;bottom:5px;left:50%;transform:translateX(-50%);font-size:9px;color:#7b8286;letter-spacing:.21em;white-space:nowrap}
.connection-cable{position:absolute;inset:0;z-index:1;overflow:visible;width:760px;height:620px}
.cable-track{fill:none;stroke:var(--red);stroke-width:3;stroke-linecap:round}
/* The LCD becomes the call-flow frame, then the dashboard frame. */
.morph-screen{position:absolute;left:303px;top:108px;width:279px;height:158px;z-index:3;border:1px solid #b8c3bc;border-radius:6px;background:#eaf0e8;overflow:hidden;box-shadow:inset 0 2px 5px #06132022;will-change:transform,width,height}
.phone-display{position:absolute;inset:0;font-family:Arial,Helvetica,sans-serif;padding:14px 17px;color:#233531;overflow:hidden}
.phone-display-top{display:flex;align-items:center;gap:6px;font-size:9px;font-weight:550;letter-spacing:.01em;white-space:nowrap}
.lcd-dot{width:4px;height:4px;background:#426448;border-radius:50%;display:inline-block}
.signal-bars{margin-left:auto;font-size:11px;letter-spacing:1px}
.phone-display-main{display:flex;gap:13px;align-items:center;margin-top:20px;white-space:nowrap}
.phone-display-main .icon{height:31px;width:31px;stroke-width:1.3;color:#45624d}
.phone-display-main small{font-size:10px;display:block;margin-bottom:4px}
.phone-display-main strong{font-size:22px;letter-spacing:-.045em;font-weight:500;line-height:1.15;display:block}
.phone-display-foot{border-top:1px solid #c3cec2;font-size:8px;letter-spacing:.01em;padding-top:9px;margin-top:17px;white-space:nowrap}
.flow-display{position:absolute;width:634px;height:408px;left:0;top:0;opacity:0;padding:27px 28px}
.workspace-top{display:flex;align-items:center;gap:7px;font-size:9px;letter-spacing:.14em;font-weight:600;color:#6a7079}
.workspace-top>span:last-child{margin-left:auto;font-size:8px;letter-spacing:.08em;padding:4px 6px;border:1px solid #e1e4e5;border-radius:3px}
.workspace-dot{width:5px;height:5px;border-radius:50%;background:var(--red)}
.flow-display h3{font-size:32px;font-weight:500;letter-spacing:-.05em;margin-top:23px}
.flow-display>p{font-size:12px;color:#727b83;margin-top:8px}
.flow-footer{position:absolute;bottom:27px;left:28px;right:28px;display:flex;justify-content:space-between;gap:12px;align-items:center;border-top:1px solid #e6e8e8;padding-top:17px;font-size:10px;color:#68737a}
.flow-footer>span:first-child{display:flex;align-items:center;gap:6px}
.flow-footer .icon{width:14px;height:14px;color:#5f7c68}
.routing-lines{width:760px;height:620px;position:absolute;inset:0;z-index:5;opacity:0;overflow:visible}
.routing-track{stroke:#d7dcde;stroke-width:1.5;fill:none}
.routing-active{stroke:var(--red);stroke-width:2;fill:none;stroke-dasharray:56;stroke-dashoffset:56}
.routing-arrow{stroke:var(--red);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
/* Shared keypad tiles travel to become routing cards and dashboard context. */
.flow-node{position:absolute;width:70px;height:44px;top:310px;border:1px solid #56616e;z-index:6;border-radius:8px;background:#35404c;color:#e8edf2;box-shadow:0 3px 0 #0b1018;overflow:hidden;will-change:transform,width,height}
.node-0{left:312px}.node-1{left:403px}.node-2{left:494px}
.key-number{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:17px Arial,sans-serif;padding-bottom:8px}
.key-number small{position:absolute;bottom:5px;font:5px Arial,sans-serif;letter-spacing:1px}
.node-content{position:absolute;inset:0;opacity:0;padding:14px 15px;color:var(--ink)}
.node-symbol{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;color:#637078}
.node-symbol>.icon{width:17px;height:17px;color:var(--red)}
.node-symbol>span{font:8px Arial,sans-serif;color:#98a0a4}
.node-label{display:block;font-size:9px;color:#717a82;margin-bottom:3px;white-space:nowrap;line-height:1.5}
.node-name{display:block;font-size:12px;font-weight:550;line-height:1.3;letter-spacing:-.02em;white-space:nowrap}
/* Dashboard shown in the third chapter. No fabricated metrics are populated. */
.dashboard-display{position:absolute;top:0;left:0;width:720px;height:510px;opacity:0;background:#fafbfc;color:#273641}
.dashboard-top{height:60px;border-bottom:1px solid #e4e7ea;display:flex;align-items:center;justify-content:space-between;padding:0 21px;background:#fff}
.dashboard-mini-brand{display:flex;gap:10px;align-items:center}
.dashboard-mini-brand>.icon{width:22px;height:22px;color:var(--red)}
.dashboard-mini-brand>b{font-size:17px;font-weight:600;letter-spacing:-.045em}
.demo-label{font-size:9px;color:#6c7680;background:#f4f5f6;padding:5px 8px;border-radius:4px}
.dashboard-sidebar{position:absolute;left:0;top:60px;width:121px;height:450px;background:#fff;border-right:1px solid #e4e7ea;display:flex;flex-direction:column;padding:20px 10px;gap:10px}
.dashboard-sidebar>span{display:flex;align-items:center;gap:8px;border-radius:5px;padding:9px 8px;color:#707a86;font-size:11px}
.dashboard-sidebar>span.active{color:var(--red);background:#f8edef}
.dashboard-sidebar .icon{width:15px;height:15px}
.dashboard-sidebar small{font-size:10px}
.dashboard-main{position:absolute;left:145px;top:82px;width:554px}
.dashboard-greeting{display:flex;align-items:center;justify-content:space-between;gap:8px}
.dashboard-greeting b{font-size:13px;font-weight:550;letter-spacing:-.02em}
.dashboard-greeting>span{font-size:8px;color:#6f7985}
.dashboard-node-spacer{height:115px}
.dashboard-lower{display:grid;grid-template-columns:1.3fr 1fr;gap:12px;margin-top:7px}
.dashboard-record,.dashboard-metrics{border:1px solid #e1e5e8;background:#fff;border-radius:7px;padding:15px 12px;height:205px}
.panel-caption{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:9px}
.panel-caption b{font-size:10px;font-weight:600}
.panel-caption>span{font-size:7px;padding:2px 4px;border:1px solid #e3e5e7;border-radius:3px;color:#747e84}
.dashboard-record dl{margin:14px 0 0}
.dashboard-record dl>div{padding:9px 0;border-bottom:1px solid #edf0f2;display:flex;justify-content:space-between;gap:8px;font-size:8px}
.dashboard-record dt{color:#7a828a}
.dashboard-record dd{margin:0;text-align:right;font-weight:500}
.record-note{font-size:8px;color:#7a858e;margin-top:12px}
.metric-placeholder{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #edf0f2;padding:8px 0;font-size:9px;color:#5e6e77}
.metric-placeholder b{font-size:15px;font-weight:400;color:#89949b}
.dashboard-metrics>small{font-size:7px;display:block;margin-top:10px;color:#79848e}
.dashboard-foot{font-size:8px;display:flex;align-items:center;gap:5px;color:#7c848b;border-top:1px solid #e1e6e9;padding-top:11px;margin-top:15px}
.outline-dot{width:5px;height:5px;border:1px solid #969ea5;border-radius:50%;display:inline-block}
/* Native scroll / keyboard-accessible chapter selection */
.story-controls{position:relative;flex-shrink:0;padding-bottom:20px;z-index:4}
.story-controls-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px}
.scroll-cue{display:flex;align-items:center;gap:9px;font-size:10px;letter-spacing:.025em;color:#707b80}
.scroll-cue .icon{width:14px;height:14px;color:var(--red)}
.motion-toggle{display:none;align-items:center;gap:7px;background:transparent;color:#767e85;font-size:9px;line-height:1.5;padding:8px 0 8px 8px}
.motion-toggle .icon{width:11px;height:11px;stroke-width:2}
.motion-enabled .motion-toggle{display:flex}
.chapter-navigation{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid #dcdeda;position:relative}
.chapter-navigation:before{content:"";position:absolute;left:0;top:-1px;height:2px;background:var(--red);width:var(--scroll-progress,0%);pointer-events:none}
.chapter-navigation>button{background:transparent;text-align:left;display:flex;align-items:center;gap:20px;padding:18px 30px 18px 0;color:#858d92;font-size:12px;line-height:1.4;transition:color .2s}
.chapter-navigation>button+button{padding-left:30px;border-left:1px solid #dcdeda}
.chapter-navigation>button>.icon{margin-left:auto;width:16px;height:16px;opacity:.7}
.chapter-digit{font-size:10px;color:#92989c;font-variant-numeric:tabular-nums}
.chapter-navigation>button[aria-current="step"]{color:var(--ink)}
.chapter-navigation>button[aria-current="step"]>.chapter-digit{color:var(--red)}
.chapter-navigation>button[aria-current="step"]>.icon{color:var(--red);opacity:1}
.chapter-navigation>button:hover{color:var(--red)}
.story-tiny{display:flex;justify-content:space-between;gap:15px;align-items:center;padding-top:11px;font-size:8px;color:#888e92;border-top:1px solid #e4e5e1}
.story-tiny>a{display:inline-flex;align-items:center;gap:5px;color:#606a72;font-size:9px}
.story-tiny .icon{width:11px;height:11px}
.static-summary{padding-block:60px}
.static-summary h2{font-size:34px;max-width:600px;margin-bottom:20px}
.static-summary p{color:#667481}
/* Editorial feature rows — an intentional contrast to the pinned illustration. */
.r15-technology{padding:106px 0 110px;background:#fff}
.technology-heading{display:grid;grid-template-columns:1fr .8fr;align-items:end;column-gap:100px;margin-bottom:58px}
.technology-heading>.section-label{grid-column:1/-1;color:var(--red);margin-bottom:25px}
.r15 .technology-heading h2,.r15 .detail-copy h2,.r15 .deployment-layout h2{font-size:clamp(38px,4.2vw,59px);letter-spacing:-.055em;line-height:1.08;font-weight:500;text-wrap:initial}
.technology-heading h2>span,.deployment-layout h2>span{color:#8a9298}
.technology-heading>p:last-child{font-size:15px;line-height:1.8;color:#66727d;max-width:320px;justify-self:end;margin-bottom:3px}
.technology-rows{border-top:1px solid #dee3e6}
.technology-row{display:flex;align-items:center;gap:27px;padding:30px 0;border-bottom:1px solid #dee3e6;transition:padding .25s,background .25s}
.technology-row:hover{background:#f7f8f8;padding-inline:14px}
.row-number{font-size:10px;font-variant-numeric:tabular-nums;color:#8a969f;align-self:flex-start;padding-top:8px;min-width:18px}
.row-icon{width:51px;height:51px;display:grid;place-items:center;background:#f2f4f5;color:#4c5e6c;border-radius:50%;flex-shrink:0}
.row-icon .icon{width:23px;height:23px}
.row-main{flex:1}
.r15 .row-main h3{font-size:25px;font-weight:500;letter-spacing:-.04em;line-height:1.3}
.row-main p{font-size:12px;color:#73808b;margin-top:8px}
.row-kind{font-size:10px;color:#8b9299}
.row-arrow{width:46px;height:46px;border:1px solid #dce2e6;border-radius:50%;display:grid;place-items:center;margin-left:20px;transition:background .2s,color .2s,border .2s}
.row-arrow .icon{width:18px;height:18px}
.technology-row:hover .row-arrow{background:var(--red);border-color:var(--red);color:#fff}
/* Interactive detail section */
.detail-section{background:#14212d;color:#fff;padding:104px 0;position:relative;overflow:hidden}
.detail-section:before{content:"";position:absolute;right:-150px;top:-330px;width:1000px;height:1000px;border:1px solid #ffffff08;border-radius:50%;pointer-events:none}
.detail-grid{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:118px;position:relative}
.detail-copy>.section-label{color:#c08b93;margin-bottom:26px}
.detail-copy h2>span{color:#8896a4}
.detail-copy>p:not(.section-label){font-size:14px;color:#9ba9b6;line-height:1.8;max-width:320px;margin-top:24px}
.detail-tabs{display:flex;flex-direction:column;gap:0;margin-top:30px;border-top:1px solid #34404b}
.detail-tabs>button{display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;background:none;color:#8d9aa8;border-bottom:1px solid #34404b;min-height:57px;font-size:13px;padding:16px 0;transition:color .2s}
.detail-tabs>button[aria-selected="true"],.detail-tabs>button:hover{color:#fff}
.detail-tabs>button .icon{width:17px;height:17px;color:#a64453;opacity:.5}
.detail-tabs>button[aria-selected="true"] .icon{color:#ef9aab;opacity:1}
.detail-link{display:inline-flex;gap:12px;align-items:center;font-size:11px;margin-top:24px;color:#bfc7ce}
.detail-link .icon{width:14px;height:14px}
.detail-window{background:#fff;color:var(--ink);border-radius:12px;box-shadow:0 24px 100px #0003;overflow:hidden;transform:rotate(-1deg)}
.detail-window-top{padding:20px 23px;border-bottom:1px solid #e3e6e8;display:flex;align-items:center;justify-content:space-between;background:#fafbfb}
.detail-window-top>span{display:flex;align-items:center;gap:8px;font-size:8px;font-weight:550;letter-spacing:.1em;color:#727e86}
.detail-window-top i{width:5px;height:5px;border-radius:50%;background:var(--red)}
.detail-window-top>.icon{width:17px;height:17px;color:#81909a}
.detail-panel{padding:27px 32px 22px;min-height:423px;outline-offset:-4px}
.detail-kicker{font-size:10px;color:var(--red);margin-bottom:13px}
.r15 .detail-panel h3{font-size:29px;line-height:1.13;font-weight:500;letter-spacing:-.045em;text-wrap:initial}
.context-trail{margin-top:26px;display:flex;flex-direction:column;gap:23px;position:relative}
.context-trail:before{content:"";position:absolute;left:18px;top:10px;bottom:15px;width:1px;background:#d8dfe4}
.context-trail>div{display:flex;align-items:center;gap:15px;position:relative}
.trail-icon{width:37px;height:37px;display:grid;place-items:center;background:#f4f6f7;border:1px solid #e2e7e9;border-radius:8px;flex-shrink:0}
.trail-icon .icon{width:17px;height:17px;color:#657684}
.context-trail small{display:block;font-size:9px;color:#7f8a93;line-height:1.5;margin-bottom:3px}
.context-trail strong{font-size:13px;font-weight:500;display:block;line-height:1.4}
.detail-note{font-size:10px;color:#83909a;line-height:1.7;margin-top:25px;max-width:400px}
.detail-window-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:15px 23px;border-top:1px solid #e7eaec;font-size:8px;color:#7e8d98}
.detail-window-bottom>span:first-child{color:#647782;font-weight:550}
.evidence-rows{margin-top:28px;border-top:1px solid #e2e6e8}
.evidence-rows>div{padding:15px 0;border-bottom:1px solid #e2e6e8;display:flex;justify-content:space-between;align-items:center;gap:15px}
.evidence-rows span{font-size:10px;color:#859098}
.evidence-rows strong{font-size:10px;font-weight:500;text-align:right}
.evidence-foot{display:flex;gap:12px;align-items:center;font-size:11px;line-height:1.7;margin-top:21px;color:#4d5f6f}
.evidence-foot .icon{width:22px;height:22px;color:var(--red)}
.recording-reference{display:flex;align-items:center;gap:14px;margin-top:28px;background:#f4f6f7;padding:18px 15px;border:1px solid #e1e6e8;border-radius:7px}
.recording-glyph{width:43px;height:43px;background:#fff;border:1px solid #e6e8e9;display:grid;place-items:center;border-radius:50%;flex-shrink:0;color:var(--red)}
.recording-glyph .icon{width:23px;height:23px;stroke-width:1.2}
.recording-reference strong{display:block;font-size:12px;font-weight:500;line-height:1.5}
.recording-reference span{display:block;font-size:9px;color:#7b8791;line-height:1.7;margin-top:4px}
.recording-access{display:flex;flex-direction:column;gap:12px;margin-top:23px}
.recording-access>span{display:flex;gap:7px;align-items:center;font-size:11px;color:#617483}
.recording-access .icon{width:13px;height:13px;color:#5c7a68}
/* Hosting and existing brands */
.deployment-section{padding:100px 0;background:#f7f7f4}
.deployment-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px}
.deployment-layout .section-label{color:var(--red);margin-bottom:26px}
.deployment-options{display:grid;grid-template-columns:1fr 1fr;gap:25px 32px;align-items:start;padding-top:12px}
.deployment-options>div>.icon{width:28px;height:28px;stroke-width:1.2;margin-bottom:20px;color:#596874}
.r15 .deployment-options h3{font-weight:500;font-size:20px;letter-spacing:-.03em}
.deployment-options>div>p{font-size:12px;line-height:1.75;color:#7f8990;margin-top:9px}
.deployment-options>.text-link{grid-column:1/-1;justify-self:start;font-size:12px;color:var(--ink);padding-bottom:8px;border-bottom:1px solid #c8cece;margin-top:0}
.deployment-note{grid-column:1/-1;font-size:10px;color:#90989e;line-height:1.8;max-width:430px;margin-top:-10px}
.r15 .r15-brands{background:#fff;padding:94px 0 102px}
.r15 .r15-brands .eyebrow{font-size:10px;letter-spacing:.16em;margin-bottom:23px}
.r15 .r15-brands .eyebrow:before{display:none}
.r15 .r15-brands h2{font-size:clamp(34px,3.5vw,49px);font-weight:500;letter-spacing:-.05em;line-height:1.1;text-wrap:initial}
.r15 .r15-brands .lede{font-size:13px;max-width:300px;line-height:1.8}
.r15 .brand-card{border-radius:8px}
.r15 .brand-art{height:160px;padding:40px}
.r15 .brand-art img{max-width:290px}
.r15 .brand-body{padding:22px 25px}
.r15 .brand-body h3{font-size:18px;font-weight:500}
.r15 .brand-body p{font-size:11px}
.r15 .site-footer{padding-block:42px 22px}
.r15 .footer-description{font-size:12px}
.r15 .footer-mark{width:185px}
.r15 .footer-links{font-size:12px}
.r15 .footer-bottom{font-size:10px}
/* No-JS and reduced-motion fallbacks remain navigable, with no tall blank track. */
.r15:not(.motion-enabled) .chapter-navigation{display:none}
.r15:not(.motion-enabled) .scroll-cue{display:none}
.r15:not(.motion-enabled) .primary-nav{display:flex}
.motion-manual .hero-pin{height:auto;min-height:750px}
.motion-manual .hero-stage{min-height:580px}
.motion-manual .scroll-cue .icon{display:none}
.motion-manual .scene-core,.motion-manual .flow-node,.motion-manual .morph-screen{will-change:auto}
@media(min-width:1600px){.visual-stage{height:650px}.chapter-stack{min-height:470px}}
@media(max-width:1200px){
 .r15 .shell{width:calc(100% - 80px)}
 .r15 .primary-nav{gap:23px}.r15 .site-logo,.r15 .site-logo img{width:188px}
 .r15 .primary-nav a{font-size:11px}
 .hero-stage{grid-template-columns:45% 55%}
 .r15 .chapter-copy h1,.r15 .chapter-copy h2{font-size:6.65vw}
 .chapter-description{font-size:14px;max-width:320px}.chapter-audience{font-size:11px}
 .chapter-stack{min-height:415px}.chapter-copy{padding-top:24px}
 .visual-stage{min-height:380px}
 .detail-grid{gap:75px}.technology-heading{column-gap:65px}
 .deployment-layout{gap:65px}.row-kind{font-size:9px}.row-arrow{margin-left:6px}
}
@media(max-width:980px){
 .r15 .shell{width:calc(100% - 56px)}
 .r15 .primary-nav{gap:17px}.r15 .primary-nav a{font-size:10px}.r15 .nav-shell{gap:20px}
 .r15 .site-logo,.r15 .site-logo img{width:169px}
 .chapter-stack{min-height:400px}.chapter-description{font-size:13px;max-width:290px}
 .chapter-audience{font-size:10px;max-width:285px}.r15-button{font-size:11px;padding:14px 17px;gap:20px;margin-top:23px}
 .visual-stage{min-height:350px}.chapter-index{margin-bottom:25px}
 .detail-grid{gap:43px}.detail-panel{padding:25px 24px 22px}
 .technology-heading{column-gap:45px}.technology-heading>p:last-child{font-size:13px}
 .row-main p{font-size:11px}.r15 .row-main h3{font-size:22px}.technology-row{gap:20px}
 .row-kind{display:none}.row-arrow{margin-left:auto}
 .deployment-layout{gap:50px}.deployment-options{gap:24px}
 .r15 .detail-panel h3{font-size:26px}.detail-panel{min-height:422px}
 .context-trail strong{font-size:12px}.detail-window{transform:rotate(0)}
}
@media(max-width:760px){
 .r15{--header-height:73px}
 .r15 .shell{width:calc(100% - 40px)}
 .r15 .site-logo,.r15 .site-logo img{width:170px}
 .r15 .nav-shell{min-height:72px}
 .r15 .nav-toggle{display:flex;width:40px;height:40px;border-radius:4px;border-color:#e1e5e7}
 .r15 .primary-nav{display:none;position:absolute;top:72px;left:0;right:0;width:100%;padding:12px 20px 18px;gap:0;background:white;border-bottom:1px solid #e1e5e7;box-shadow:0 10px 15px #15243108}
 .r15 .primary-nav.open{display:flex;flex-direction:column;align-items:stretch}
 .r15 .primary-nav a{font-size:14px;padding:14px 4px}
 .r15 .primary-nav a:after{display:none}
 .r15:not(.motion-enabled) .nav-toggle{display:none}
 .r15:not(.motion-enabled) .nav-shell{flex-wrap:wrap;gap:0;padding-top:15px}
 .r15:not(.motion-enabled) .primary-nav{position:static;display:flex;flex-direction:row;flex-wrap:wrap;box-shadow:none;border:0;padding:8px 0;gap:0 16px}
 .r15:not(.motion-enabled) .primary-nav a{font-size:11px;padding:8px 0}
 .hero-pin{min-height:740px}
 .motion-on .morph-story{height:340svh}
 .motion-on .hero-pin{height:calc(100svh - var(--header-height));min-height:550px}
 .hero-stage{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding-top:25px}
 .chapter-stack{min-height:245px;height:245px;flex:0 0 auto;align-self:stretch}
 .chapter-copy{padding-top:0}
 .chapter-index{font-size:8px;letter-spacing:.13em;margin-bottom:15px;gap:9px}
 .chapter-index span{height:21px;width:21px;font-size:8px}
 .r15 .chapter-copy h1,.r15 .chapter-copy h2{font-size:clamp(43px,9.2vw,64px);line-height:.98;letter-spacing:-.06em;margin:0 0 14px}
 .chapter-description{font-size:12px;line-height:1.7;max-width:350px}
 .chapter-audience{display:none}
 .r15-button{font-size:10px;min-height:38px;padding:10px 14px;margin-top:15px;gap:20px;border-radius:3px}
 .r15-button .icon{width:15px;height:15px}
 .visual-stage{height:auto;min-height:210px;flex:1;width:100%;margin:0}
 .scene-art{transform:translate(-50%,-50%) scale(var(--art-scale,.52))}
 .hardware-caption{display:none}.visual-label{display:none}
 .orbit{opacity:.65}.orbit-two{opacity:.7}.scene-watermark{opacity:.4}
 .flow-display h3{font-size:37px}
 .flow-display>p{font-size:17px;max-width:560px}
 .workspace-top{font-size:13px}.workspace-top>span:last-child{font-size:11px}
 .flow-footer{font-size:13px}.flow-footer>span:last-child{display:none}.flow-footer .icon{width:17px;height:17px}
 .node-content{padding:13px}
 .node-label{font-size:12px;line-height:1.25;margin-top:3px}
 .node-name{font-size:17px;white-space:normal;line-height:1.08;letter-spacing:-.035em}
 .node-symbol{margin-bottom:5px}.node-symbol>.icon{height:20px;width:20px}.node-symbol>span{font-size:10px}
 .dashboard-top{height:60px}.dashboard-mini-brand>b{font-size:23px}.demo-label{font-size:13px}
 .dashboard-greeting b{font-size:19px}.dashboard-greeting>span{display:none}
 .dashboard-sidebar small{font-size:14px}.dashboard-sidebar .icon{display:none}
 .dashboard-sidebar>span{padding:13px 8px}
 .panel-caption b{font-size:15px}.panel-caption>span{font-size:10px}
 .dashboard-record dl>div{font-size:12px;padding:11px 0;flex-direction:column;gap:2px}
 .dashboard-record dd{text-align:left;font-size:13px}
 .dashboard-record dl>div:last-child{display:none}
 .record-note{font-size:10px;line-height:1.5;margin-top:10px}
 .metric-placeholder{font-size:13px;padding:9px 0;gap:12px;line-height:1.35}
 .metric-placeholder b{font-size:18px}.dashboard-metrics>small{font-size:10px;line-height:1.4}
 .dashboard-foot{font-size:12px}.outline-dot{width:7px;height:7px}
 .story-controls{padding-bottom:12px;padding-top:0}
 .story-controls-top{padding-bottom:9px;min-height:32px}
 .scroll-cue{font-size:9px;gap:5px}.scroll-cue .icon{width:12px;height:12px}
 .motion-toggle{font-size:8px;padding:8px 0;gap:5px}
 .chapter-navigation>button{gap:8px;font-size:10px;padding:15px 8px 15px 0;min-height:47px}
 .chapter-navigation>button+button{padding-left:12px}
 .chapter-navigation>button>.icon{display:none}
 .chapter-digit{font-size:8px}
 .story-tiny{font-size:7px;padding-top:8px;gap:8px}
 .story-tiny>a{font-size:7px;gap:3px}.story-tiny .icon{width:9px;height:9px}
 .motion-manual .hero-stage{min-height:540px}
 .motion-manual .hero-pin{min-height:655px}
 .motion-manual .visual-stage{min-height:285px}
 .r15-technology{padding:62px 0 65px}
 .technology-heading{display:block;margin-bottom:34px}
 .technology-heading>.section-label{margin-bottom:18px}
 .r15 .technology-heading h2,.r15 .detail-copy h2,.r15 .deployment-layout h2{font-size:clamp(33px,7.8vw,49px);line-height:1.09}
 .technology-heading>p:last-child{font-size:12px;margin:20px 0 0;max-width:300px}
 .technology-row{padding:24px 0;gap:13px}.technology-row:hover{padding-inline:0}
 .row-number{font-size:8px;min-width:12px;padding-top:5px}
 .row-icon{display:none}
 .r15 .row-main h3{font-size:20px}
 .row-main p{font-size:10px;line-height:1.8;max-width:240px}
 .row-arrow{width:33px;height:33px;flex-shrink:0;margin-left:4px}
 .row-arrow .icon{width:14px;height:14px}
 .detail-section{padding:63px 0}
 .detail-grid{grid-template-columns:1fr;gap:34px}
 .detail-copy>.section-label{font-size:9px;margin-bottom:19px}
 .detail-copy>p:not(.section-label){font-size:12px;margin-top:19px;max-width:320px}
 .detail-tabs{margin-top:22px}.detail-tabs>button{font-size:12px;min-height:53px}
 .detail-link{font-size:10px;margin-top:20px}
 .detail-window{border-radius:8px;max-width:520px;width:100%}
 .detail-window-top{padding:17px 20px}.detail-window-top>span{font-size:7px;letter-spacing:.08em}
 .detail-panel{padding:23px 24px;min-height:401px}
 .r15 .detail-panel h3{font-size:29px}
 .detail-window-bottom{padding:14px 20px;font-size:7px}
 .context-trail{margin-top:23px;gap:21px}.context-trail strong{font-size:12px}
 .detail-note{font-size:9px;line-height:1.7}
 .evidence-rows span{font-size:9px}.evidence-rows strong{font-size:9px}
 .deployment-section{padding:62px 0}
 .deployment-layout{grid-template-columns:1fr;gap:27px}
 .deployment-layout .section-label{font-size:9px;margin-bottom:18px}
 .deployment-options{padding-top:0;gap:21px 24px}
 .deployment-options>div>.icon{margin-bottom:14px;width:25px;height:25px}
 .r15 .deployment-options h3{font-size:19px}.deployment-options>div>p{font-size:11px}
 .deployment-options>.text-link{font-size:11px;margin-top:0}
 .deployment-note{font-size:9px}
 .r15 .r15-brands{padding:60px 0}
 .r15 .r15-brands .split-heading{display:block;margin-bottom:30px}
 .r15 .r15-brands h2{font-size:32px}
 .r15 .r15-brands .eyebrow{font-size:9px;margin-bottom:18px}
 .r15 .r15-brands .lede{font-size:12px;margin-top:19px;max-width:310px}
 .r15 .brand-grid{grid-template-columns:1fr;gap:17px}
 .r15 .brand-art{height:132px;padding:32px}.r15 .brand-art img{max-width:267px}
 .r15 .brand-body{padding:19px 20px}.r15 .brand-body p{font-size:10px}
 .r15 .site-footer{padding:35px 0 20px}
 .r15 .footer-main{gap:21px}.r15 .footer-mark{width:175px}
 .r15 .footer-links{gap:18px;font-size:10px;flex-wrap:wrap;padding:0}
 .r15 .footer-description{font-size:11px}.r15 .footer-bottom{font-size:8px;margin-top:28px;gap:9px}
 .static-summary{padding-block:35px}.static-summary h2{font-size:28px}
}
@media(max-width:390px){
 .r15 .shell{width:calc(100% - 36px)}
 .chapter-description{font-size:11px;max-width:310px}
 .chapter-stack{height:237px;min-height:237px}
 .chapter-navigation>button{font-size:9px;gap:7px}.chapter-navigation>button+button{padding-left:10px}
 .story-tiny{font-size:6.5px}.story-tiny>a{font-size:6.5px}
 .r15 .row-main h3{font-size:18px}.row-main p{max-width:215px}
 .r15 .r15-brands h2{font-size:29px}.r15 .brand-body h3{font-size:16px}
}
@media(max-height:740px) and (min-width:761px){
 .chapter-stack{min-height:370px}.chapter-copy{padding-top:0}
 .r15 .chapter-copy h1,.r15 .chapter-copy h2{font-size:clamp(55px,6.1vw,82px);margin-bottom:17px}
 .chapter-index{margin-bottom:17px}.chapter-description{font-size:13px}.chapter-audience{margin-top:10px;font-size:10px}
 .r15-button{margin-top:19px;min-height:42px;padding:12px 17px;font-size:11px}
 .visual-stage{min-height:335px;height:53svh}
 .story-controls-top{padding-bottom:9px}.story-controls{padding-bottom:13px}
 .chapter-navigation>button{padding-block:14px}.story-tiny{padding-top:8px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 .r15 *,.r15 *:before,.r15 *:after{transition:none!important;animation:none!important}
 .scene-core,.flow-node,.morph-screen{will-change:auto}
}
@media print{
 .site-header,.story-controls,.detail-tabs{display:none!important}
 .motion-on .morph-story{height:auto!important}.hero-pin{position:static!important;height:600px!important;min-height:0!important}
 .chapter-copy:not([data-chapter="0"]){display:none!important}.chapter-copy[data-chapter="0"]{opacity:1!important;visibility:visible!important;transform:none!important}
 .r15 .detail-section{background:white;color:#121e2a}.detail-copy h2>span{color:#626a72}
 .detail-copy p{color:#596573!important}.detail-section,.r15-technology{break-inside:avoid}
}

/* Final hardware/text and graceful-degradation refinements. */
.hardware-caption{display:none}
.static-keypad{position:absolute;inset:0;z-index:5;transform-origin:420px 300px;pointer-events:none}
.static-key{position:absolute;width:70px;height:44px;border:1px solid #56616e;border-radius:8px;background:linear-gradient(#3d4753,#303944);box-shadow:0 3px 0 #0b1018;color:#e8edf2}
.story-tiny{font-size:9px}
.r15:not(.motion-enabled) .detail-tabs{display:none}
.r15:not(.motion-enabled) .detail-panel[hidden]{display:block!important;border-top:1px solid #e1e6e8}
@media(max-width:760px){.story-tiny,.story-tiny>a{font-size:8px}.chapter-navigation>button{font-size:11px}.chapter-digit{font-size:9px}.motion-toggle{font-size:9px}.node-content{padding:10px}.node-label{font-size:11px}.node-name{font-size:16px}.node-symbol>.icon{width:17px;height:17px}}
@media(max-width:390px){.chapter-navigation>button{font-size:10px}.story-tiny,.story-tiny>a{font-size:7.5px}}