.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.maturity-page{min-height:calc(100svh - 68px);background:var(--surface-brand);color:var(--text-on-brand);overflow:hidden}
.maturity-shell{min-height:calc(100svh - 68px);padding-top:26px;padding-bottom:20px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:18px}
.model-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}
.model-kicker{font:var(--text-label);letter-spacing:.12em;text-transform:uppercase;color:var(--teal-300);margin-bottom:4px}
.model-heading h1{font:700 clamp(28px,3.4vw,46px)/1.02 var(--font-display);color:var(--text-on-brand);letter-spacing:-.025em}
.model-intro{font-size:15px;line-height:1.45;color:var(--teal-100);max-width:720px;margin-top:4px}
.model-controls{display:flex;gap:12px;align-items:flex-end;padding-bottom:2px}
.function-control{display:grid;gap:6px;font:var(--text-label);color:var(--teal-100)}
.function-control select{appearance:none;min-width:190px;height:44px;padding:0 42px 0 16px;border:1px solid rgba(247,243,234,.3);border-radius:var(--radius-pill);background-color:rgba(255,255,255,.1);background-image:linear-gradient(45deg,transparent 50%,var(--linen-100) 50%),linear-gradient(135deg,var(--linen-100) 50%,transparent 50%);background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;color:var(--text-on-brand);font:var(--text-label);cursor:pointer}
.function-control select option{color:var(--ink);background:var(--surface-card)}
.zazoo-switch{height:44px;display:flex;align-items:center;gap:9px;padding:0 15px 0 8px;border:1px solid rgba(247,243,234,.3);border-radius:var(--radius-pill);background:rgba(255,255,255,.1);color:var(--text-on-brand);font:var(--text-label);cursor:pointer;transition:background var(--duration-med) var(--ease-soft),border-color var(--duration-med) var(--ease-soft)}
.zazoo-switch:hover{background:rgba(255,255,255,.16)}
.switch-track{width:34px;height:22px;padding:3px;border-radius:var(--radius-pill);background:rgba(247,243,234,.22);transition:background var(--duration-med) var(--ease-soft)}
.switch-track span{display:block;width:16px;height:16px;border-radius:50%;background:var(--linen-100);transition:transform var(--duration-med) var(--ease-soft)}
.zazoo-switch[aria-checked="true"]{background:var(--coral-500);border-color:var(--coral-500)}
.zazoo-switch[aria-checked="true"] .switch-track{background:rgba(255,255,255,.28)}
.zazoo-switch[aria-checked="true"] .switch-track span{transform:translateX(12px)}
.model-workspace{min-height:0;display:grid;grid-template-columns:236px minmax(0,1fr);border:1px solid rgba(247,243,234,.18);border-radius:var(--radius-xl);overflow:hidden;background:rgba(12,59,63,.42);box-shadow:0 24px 60px rgba(4,30,32,.18)}
.stage-rail{display:grid;grid-template-rows:repeat(5,1fr);background:rgba(12,59,63,.58);border-right:1px solid rgba(247,243,234,.14)}
.stage-tab{position:relative;display:grid;grid-template-columns:32px 1fr;grid-template-rows:1fr 1fr;column-gap:10px;align-content:center;text-align:left;padding:10px 20px;border:0;border-bottom:1px solid rgba(247,243,234,.11);background:transparent;color:var(--teal-100);cursor:pointer;transition:background var(--duration-med) var(--ease-soft),color var(--duration-med) var(--ease-soft)}
.stage-tab:last-child{border-bottom:0}
.stage-tab::after{content:"";position:absolute;right:0;top:20%;bottom:20%;width:3px;border-radius:3px 0 0 3px;background:transparent}
.stage-tab:hover{background:rgba(255,255,255,.06);color:var(--text-on-brand)}
.stage-tab.is-active{background:rgba(247,243,234,.1);color:var(--text-on-brand)}
.stage-tab.is-active::after{background:var(--coral-500)}
.stage-number{grid-row:1 / 3;align-self:center;font:700 12px/1 var(--font-body);color:var(--teal-300)}
.stage-tab strong{align-self:end;font:700 18px/1.05 var(--font-display)}
.stage-tab small{align-self:start;font:600 11px/1.2 var(--font-body);color:var(--teal-300)}
.stage-panel{min-width:0;background:var(--surface-card);color:var(--text-body);padding:18px 30px 14px;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto}
.panel-context{display:flex;align-items:center;gap:10px;font:var(--text-label);color:var(--teal-500)}
.context-divider{width:4px;height:4px;border-radius:50%;background:var(--coral-500)}
.panel-stage-title{font:700 17px/1.2 var(--font-display);color:var(--coral-600);margin-top:8px}
.panel-content{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(480px,1.3fr);gap:36px;align-items:center;transition:opacity var(--duration-fast) var(--ease-soft),transform var(--duration-fast) var(--ease-soft)}
.panel-content.is-changing{opacity:0;transform:translateY(6px)}
.panel-content h3{font:700 clamp(27px,3.2vw,43px)/1.08 var(--font-display);letter-spacing:-.025em;color:var(--teal-700);max-width:520px}
.panel-content ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.panel-content li{position:relative;padding:0 0 11px 24px;border-bottom:1px solid var(--border);font-size:14px;line-height:1.42;color:var(--ink)}
.panel-content li:last-child{border-bottom:0;padding-bottom:0}
.panel-content li::before{content:"";position:absolute;left:0;top:.56em;width:8px;height:8px;border-radius:50%;background:var(--coral-500);box-shadow:0 0 0 4px var(--coral-100)}
.stage-panel.is-zazoo{box-shadow:inset 5px 0 0 var(--coral-500)}
.stage-panel.is-zazoo .panel-context{color:var(--coral-600)}
.panel-actions{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding-top:12px;border-top:1px solid var(--border)}
.panel-actions p{font:700 11px/1 var(--font-body);color:var(--ink-faint);text-transform:uppercase;letter-spacing:.08em}
.journey-action{border:0;background:transparent;color:var(--teal-500);font:var(--text-label);cursor:pointer;padding:8px 0}
.journey-action:first-child{justify-self:start}
.journey-action:last-child{justify-self:end}
.journey-action:hover{color:var(--teal-900)}
.journey-action:disabled{opacity:.35;cursor:not-allowed}
.model-cta{display:flex;align-items:center;justify-content:space-between;gap:20px}
.model-cta div{display:flex;align-items:baseline;gap:12px;color:var(--text-on-brand)}
.model-cta strong{font:700 16px/1.2 var(--font-display)}
.model-cta span{font-size:13px;color:var(--teal-300)}
.model-cta .btn{flex-direction:column;gap:2px;color:#fff}
.model-cta .btn span{color:#fff;font:var(--text-button)}
.model-cta .btn small{color:rgba(255,255,255,.78);font:600 10px/1.1 var(--font-body)}

@media (max-width:1040px){
  .maturity-page{overflow:visible}
  .model-heading{grid-template-columns:1fr;gap:16px;align-items:start}
  .model-controls{justify-content:flex-start}
  .model-workspace{grid-template-columns:190px minmax(0,1fr)}
  .panel-content{grid-template-columns:1fr;gap:18px;align-content:center}
  .panel-content h3{max-width:760px}
}

@media (max-width:720px){
  .maturity-shell{padding-top:22px;padding-bottom:28px;display:block}
  .model-heading h1{font-size:34px}
  .model-controls{display:grid;grid-template-columns:1fr}
  .function-control select,.zazoo-switch{width:100%}
  .zazoo-switch{justify-content:center}
  .model-workspace{display:block;margin-top:20px;overflow:visible;background:transparent;border:0;box-shadow:none}
  .stage-rail{grid-template-columns:repeat(5,minmax(96px,1fr));grid-template-rows:1fr;overflow-x:auto;border:1px solid rgba(247,243,234,.18);border-radius:var(--radius-lg);scrollbar-width:none}
  .stage-rail::-webkit-scrollbar{display:none}
  .stage-tab{display:flex;min-width:96px;flex-direction:column;gap:3px;padding:12px 8px 10px;border:0;border-right:1px solid rgba(247,243,234,.11);text-align:center}
  .stage-tab strong{font-size:15px}
  .stage-tab small{min-height:23px;white-space:normal;font-size:10px;line-height:1.15;text-align:center}
  .stage-tab::after{left:20%;right:20%;top:auto;bottom:0;width:auto;height:3px;border-radius:3px 3px 0 0}
  .stage-panel{margin-top:12px;padding:20px;border-radius:var(--radius-xl);min-height:470px}
  .panel-content{display:block;padding:20px 0}
  .panel-stage-title{margin-top:10px}
  .panel-content h3{font-size:30px;margin:16px 0 22px}
  .panel-content li{font-size:14px}
  .model-cta{margin-top:18px;align-items:stretch;flex-direction:column}
  .model-cta div{display:grid;gap:2px}
  .model-cta .btn{width:100%}
}

@media (max-height:760px) and (min-width:721px){
  .maturity-shell{padding-top:16px;padding-bottom:12px;gap:12px}
  .model-heading h1{font-size:34px}
  .model-intro{font-size:13px}
  .stage-panel{padding-top:16px}
  .panel-content h3{font-size:32px}
  .panel-content li{font-size:13px;padding-bottom:8px}
}

@media (prefers-reduced-motion:reduce){
  .panel-content,.stage-tab,.zazoo-switch,.switch-track,.switch-track span{transition:none}
}