.home-hero-layout{gap:var(--section-sm);display:grid}.home-hero-copy,.home-spine-stage,.home-spine-panel{min-width:0}.home-hero-heading{margin-top:calc(var(--spacing) * 6)}.home-hero-heading span{display:block}.home-hero-accent{color:var(--primary-text)}.home-hero-description{max-width:27rem;margin-top:calc(var(--spacing) * 8);color:var(--muted-foreground)}.home-hero-actions{align-items:center;gap:calc(var(--spacing) * 3) calc(var(--spacing) * 6);margin-top:calc(var(--spacing) * 8);flex-wrap:wrap;display:flex}.home-hero-secondary{font-size:var(--type-body);font-weight:500}.home-spine-explorer{display:contents}.home-spine-stage{position:relative}.home-spine-drawing{width:min(100%,14rem);height:auto;margin-inline:auto;display:block;overflow:visible}.home-spine-outline{stroke:var(--border);stroke-width:1.5px}.home-spine-detail{stroke:var(--soft-clay);stroke-width:1px}.home-spine-pelvis{stroke:var(--foreground);stroke-width:1px}.home-spine-bones{stroke:var(--foreground);fill:var(--background);stroke-width:1px;stroke-linejoin:round;transition:stroke var(--motion-duration) var(--motion-easing)}.home-spine-bones[data-active=true]{stroke:var(--primary)}.home-spine-selector{gap:calc(var(--spacing) * 2);margin-top:calc(var(--spacing) * 6);border-bottom:var(--border-width) solid var(--border);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.home-spine-control{min-height:var(--control-height);padding-block:calc(var(--spacing) * 3);color:var(--muted-foreground);font-family:var(--font-body), Arial, sans-serif;font-size:var(--type-eyebrow);letter-spacing:.08em;cursor:pointer;border:0;border-bottom:var(--border-width) solid transparent;transition:border-color var(--motion-duration) var(--motion-easing), color var(--motion-duration) var(--motion-easing);background:0 0;justify-content:center;align-items:center;font-weight:500;line-height:1.5;display:flex;position:relative}.home-spine-control[aria-pressed=true]{color:var(--foreground);border-bottom-color:var(--primary)}@media (hover:hover){.home-spine-control:hover{color:var(--foreground);border-bottom-color:var(--primary)}}.home-spine-panel{padding-top:var(--section-sm);border-top:var(--border-width) solid var(--border)}.home-spine-panel-title{margin-top:calc(var(--spacing) * 4)}.home-spine-tagline{margin-top:calc(var(--spacing) * 4);font-weight:500}.home-spine-panel-description{margin-top:calc(var(--spacing) * 4);color:var(--muted-foreground)}.home-spine-symptoms{margin-top:calc(var(--spacing) * 8)}.home-spine-symptoms ol{margin-top:calc(var(--spacing) * 4)}.home-spine-symptoms li{align-items:baseline;gap:calc(var(--spacing) * 4);min-height:calc(var(--spacing) * 11);padding-block:calc(var(--spacing) * 2);border-bottom:var(--border-width) solid var(--border);display:flex}.home-spine-symptom-number{color:var(--muted-foreground);font-size:var(--type-eyebrow);font-variant-numeric:tabular-nums;flex-shrink:0}.home-spine-panel-content{animation:home-spine-reveal var(--motion-duration) var(--motion-easing)}@keyframes home-spine-reveal{0%{opacity:0;transform:translateY(var(--motion-arrow))}to{opacity:1;transform:translateY(0)}}@media (min-width:48rem){.home-hero-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}.home-hero-heading{font-size:var(--type-h1)}.home-spine-drawing{width:min(100%,16rem)}.home-spine-panel{grid-column:1/-1}.home-spine-panel-content{gap:var(--section-sm);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.home-spine-symptoms{padding-left:var(--section-sm);border-left:var(--border-width) solid var(--border);margin-top:0}}@media (min-width:80rem){.home-hero{padding-top:calc(var(--section-md) - var(--spacing) * 8);padding-bottom:calc(var(--section-md) + var(--spacing) * 8);min-height:calc(100svh - (var(--control-height) + var(--spacing) * 10 + var(--border-width)));align-items:center;display:grid}.home-hero-layout{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,.8fr);gap:clamp(1.5rem,2.5vw,3rem)}.home-spine-selector{display:contents}.home-spine-control{border:0;justify-content:flex-start;margin:0;padding-inline:0;position:absolute}.home-spine-control:before{content:"";border-top:var(--border-width) solid var(--border);width:clamp(1.5rem,4vw,4rem);transition:border-color var(--motion-duration) var(--motion-easing);position:absolute;top:50%}.home-spine-control[aria-pressed=true]:before{border-color:var(--primary)}.home-spine-control[aria-pressed=true] span{text-decoration:underline;-webkit-text-decoration-color:var(--primary);text-decoration-color:var(--primary);text-underline-offset:.5em}.home-spine-control-cervical{top:17%;right:0}.home-spine-control-thoracic{top:42%;left:0}.home-spine-control-lumbar{top:67%;right:0}.home-spine-control-cervical:before,.home-spine-control-lumbar:before{right:calc(100% + var(--spacing) * 3)}.home-spine-control-thoracic:before{left:calc(100% + var(--spacing) * 3)}.home-spine-panel{padding-top:0;padding-left:calc(var(--spacing) * 8);border-top:0;border-left:var(--border-width) solid var(--border);grid-column:auto}.home-spine-panel-content{min-height:30rem;display:block}.home-spine-panel-title{font-size:var(--type-h3)}.home-spine-symptoms{margin-top:calc(var(--spacing) * 8);border-left:0;padding-left:0}}