:root{--bg: #f5f0e6;--bg-strong: #efe7d8;--surface: rgba(255, 250, 242, .74);--surface-strong: #fff8ee;--ink: #13231d;--muted: #45584f;--line: rgba(19, 35, 29, .12);--accent: #d76e3f;--accent-soft: #efb282;--accent-dark: #925033;--shadow: 0 18px 50px rgba(19, 35, 29, .1);--radius-lg: 28px;--radius-md: 18px;--radius-sm: 999px;--max-width: 1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(215,110,63,.18),transparent 28rem),radial-gradient(circle at 85% 15%,rgba(146,80,51,.14),transparent 24rem),linear-gradient(180deg,#faf5ec 0%,var(--bg) 50%,#f0e7d7 100%);color:var(--ink);font-family:Space Grotesk,Avenir Next,sans-serif}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(19,35,29,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(19,35,29,.025) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 90%);mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 90%)}a{color:inherit;text-decoration:none}p{margin:0;color:var(--muted);line-height:1.65}h1,h2,h3{margin:0;line-height:1.02;letter-spacing:-.04em}.site-shell{width:min(calc(100% - 2rem),var(--max-width));margin:0 auto;padding:1.2rem 0 4rem}.topbar{position:sticky;top:1rem;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.2rem;margin-bottom:2.5rem;border:1px solid rgba(19,35,29,.1);border-radius:var(--radius-sm);background:#fff8eeb8;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 8px 26px #13231d0f}.brand{display:flex;align-items:center;gap:.9rem}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:2.7rem;height:2.7rem;border-radius:50%;background:var(--ink);color:#fff7ee;font-size:.9rem;font-weight:700;letter-spacing:.08em}.brand-copy{display:flex;flex-direction:column;gap:.1rem}.brand-copy strong{font-size:.98rem}.brand-copy span{font-size:.78rem;color:var(--muted)}.nav{display:flex;align-items:center;gap:1.2rem}.nav a{font-size:.95rem;color:var(--muted)}.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:2rem;align-items:stretch;min-height:74vh}.hero-copy,.hero-panel,.band,.card,.step,.insight-card,.cta{border:1px solid rgba(19,35,29,.1);background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(2rem,5vw,4rem);border-radius:var(--radius-lg)}.eyebrow{margin-bottom:1.1rem;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark)}.hero h1{max-width:12ch;font-size:clamp(3.8rem,8vw,7.2rem)}.hero h1 span,.section-heading h2 span{display:inline-block;font-family:"Instrument Serif",Georgia,serif;font-style:italic;color:var(--accent-dark)}.lede{max-width:56ch;margin-top:1.6rem;font-size:1.06rem}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:3.15rem;padding:.8rem 1.3rem;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;transition:transform .18s ease,background-color .18s ease,border-color .18s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--ink);color:#fff7ee}.button-primary:hover{background:#0d1914}.button-secondary{border-color:#13231d24;color:var(--ink)}.button-secondary:hover{background:#ffffff73}.hero-panel{position:relative;overflow:hidden;padding:1.3rem;border-radius:var(--radius-lg)}.hero-panel:before,.hero-panel:after{content:"";position:absolute;border-radius:50%;filter:blur(10px)}.hero-panel:before{width:18rem;height:18rem;top:-4rem;right:-4rem;background:#d76e3f2e}.hero-panel:after{width:14rem;height:14rem;bottom:-5rem;left:-4rem;background:#13231d14}.signal-card{position:relative;z-index:1;display:flex;flex-direction:column;gap:1rem;height:100%;padding:1.1rem;border-radius:calc(var(--radius-lg) - 10px);background:linear-gradient(180deg,#fffbf5eb,#f8f0e2e6);border:1px solid rgba(19,35,29,.08)}.signal-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--line);font-weight:700}.pill{display:inline-flex;padding:.45rem .75rem;border-radius:var(--radius-sm);font-size:.77rem;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-dark);background:#efb28242}.card h3,.step h3{display:block;margin-bottom:.6rem;font-size:1.1rem}.kappa-demo{display:flex;flex-direction:column;gap:.9rem;margin-top:auto;padding:1rem;border-radius:var(--radius-md);background:#ffffff8c;border:1px solid rgba(19,35,29,.08)}.kappa-caption{font-size:.86rem;line-height:1.55}.kappa-caption em{font-family:"Instrument Serif",Georgia,serif;font-style:italic;color:var(--accent-dark);font-size:1rem}.kappa-grid{display:flex;flex-direction:column;gap:.35rem}.kappa-row{display:flex;align-items:center;gap:.6rem}.kappa-row-name{flex:0 0 3.6rem;font-size:.78rem;font-weight:700;letter-spacing:.04em;color:var(--muted)}.kappa-cells{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:.3rem;flex:1 1 auto}.kappa-row-axis .kappa-cells span{text-align:center;font-size:.66rem;color:var(--muted);letter-spacing:.04em}.kappa-cell{appearance:none;border:1px solid rgba(19,35,29,.14);background:#ffffffb3;border-radius:6px;height:1.5rem;padding:0;cursor:pointer;transition:background-color .16s ease,border-color .16s ease,transform .12s ease}.kappa-cell[aria-pressed=true]{background:var(--accent);border-color:var(--accent-dark);box-shadow:inset 0 0 0 1px #ffffff4d}.kappa-cell:hover{transform:translateY(-1px);border-color:#13231d4d}.kappa-cell:focus-visible{outline:2px solid var(--accent-dark);outline-offset:2px}.kappa-readout{display:flex;align-items:center;justify-content:space-between;gap:.8rem;padding-top:.7rem;border-top:1px solid var(--line)}.kappa-stat{display:flex;align-items:baseline;gap:.4rem}.kappa-symbol{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-size:1.6rem;color:var(--accent-dark)}.kappa-value{font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums}.kappa-meta{display:flex;align-items:center;gap:.6rem}.kappa-tier{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-dark)}.kappa-shuffle{appearance:none;border:1px solid rgba(19,35,29,.14);background:#ffffffb3;color:var(--ink);font:inherit;font-size:.78rem;font-weight:700;padding:.4rem .7rem;border-radius:var(--radius-sm);cursor:pointer;transition:background-color .16s ease,transform .12s ease}.kappa-shuffle:hover{background:#fffffff2;transform:translateY(-1px)}.kappa-bar{position:relative;height:6px;border-radius:var(--radius-sm);background:linear-gradient(90deg,#13231d38 0% 20%,#92503359 20% 40%,#d76e3f73 40% 60%,#efb282b3 60% 80%,#d76e3ff2 80% 100%)}.kappa-bar-marker{position:absolute;top:50%;left:0;width:12px;height:12px;border-radius:50%;background:var(--ink);border:2px solid #fff8ee;transform:translate(-50%,-50%);transition:left .28s cubic-bezier(.2,.8,.3,1);box-shadow:0 2px 8px #13231d40}.kappa-scale{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.2rem;font-size:.66rem;color:var(--muted);text-align:center;letter-spacing:.04em}.band{margin:1.8rem 0 4rem;padding:1.35rem 1.5rem;border-radius:var(--radius-md)}.band p{max-width:72ch;font-size:1.02rem}.section{margin-top:3.2rem}.section-heading{display:flex;flex-direction:column;gap:.6rem;max-width:42rem;margin-bottom:1.8rem}.section-heading h2,.cta h2{font-size:clamp(2.2rem,4vw,4.2rem)}.card-grid,.steps,.insight-layout{display:grid;gap:1rem}.card-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.step,.insight-card{padding:1.5rem;border-radius:var(--radius-md)}.section-alt .steps{grid-template-columns:repeat(3,minmax(0,1fr))}.step-number{display:inline-block;margin-bottom:1rem;color:var(--accent-dark);font-size:.92rem;font-weight:700;letter-spacing:.08em}.insight-layout{grid-template-columns:1.3fr 1fr 1fr}.insight-card{display:flex;flex-direction:column;justify-content:space-between;min-height:14rem}.insight-stat{font-family:"Instrument Serif",Georgia,serif;font-size:2.5rem;font-style:italic;color:var(--ink)}.cta{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin-top:4rem;padding:clamp(1.6rem,4vw,2.4rem);border-radius:var(--radius-lg);background:radial-gradient(circle at top right,rgba(215,110,63,.18),transparent 20rem),linear-gradient(180deg,#fffbf5db,#f4eadbe6)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:translateY(0)}@media(max-width:1080px){.hero{grid-template-columns:1fr;min-height:auto}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-alt .steps,.insight-layout{grid-template-columns:1fr}}@media(max-width:720px){.site-shell{width:min(calc(100% - 1rem),var(--max-width));padding-top:.6rem}.topbar,.cta{border-radius:24px}.topbar,.nav,.cta{flex-direction:column;align-items:flex-start}.nav{gap:.8rem}.hero h1{font-size:clamp(3rem,16vw,4.6rem)}.hero-copy,.hero-panel{padding:1.25rem}.card-grid{grid-template-columns:1fr}.kappa-row-name{flex:0 0 3rem;font-size:.72rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.reveal{transition:none}.reveal{opacity:1;transform:none}}