:root{--ink:#111514;--paper:#f7f8f4;--white:#fff;--acid:#cfff45;--coral:#ff6b57;--cyan:#5de4e7;--line:#c8cec7;--muted:#5d6761;--panel:#e9ede7;--shadow:0 18px 60px rgba(17,21,20,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Geist,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}button,input{font:inherit;letter-spacing:0}button{cursor:pointer}main{width:100%;max-width:100%;overflow-x:hidden}a{color:inherit}.nav{position:fixed;z-index:20;top:18px;left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 28px));display:flex;align-items:center;justify-content:space-between;gap:18px;padding:11px 12px 11px 18px;border:1px solid rgba(255,255,255,.34);border-radius:8px;background:rgba(17,21,20,.88);color:var(--white);backdrop-filter:blur(16px)}.brand{font-weight:830;text-decoration:none;white-space:nowrap}.nav-links{display:flex;align-items:center;gap:22px;font-size:14px}.nav-links a{text-decoration:none;color:#d7ddd8}.nav-action,.primary,.secondary,.preset{min-height:44px;border:1px solid var(--ink);border-radius:6px;padding:11px 16px;font-weight:780}.nav-action{background:var(--acid);color:var(--ink)!important}.hero{position:relative;min-height:91vh;display:grid;place-items:center;padding:132px 24px 96px;background:var(--ink);color:var(--white);overflow:hidden}#network-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}.hero-wash{position:absolute;inset:0;background:rgba(17,21,20,.34)}.hero-inner{position:relative;z-index:2;width:min(1120px,100%);text-align:center}.hero h1{max-width:1120px;margin:0 auto 28px;font-size:clamp(3rem,7vw,6.8rem);line-height:.93;letter-spacing:0;text-wrap:balance}.hero-copy{max-width:760px;margin:0 auto 34px;color:#d9dfda;font-size:clamp(1.05rem,2vw,1.36rem);line-height:1.55}.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.primary{background:var(--acid);color:var(--ink);text-decoration:none}.secondary{background:transparent;color:var(--white);border-color:#7a847e;text-decoration:none}.disclosure{margin:28px auto 0;max-width:760px;color:#9ca69f;font-size:13px;line-height:1.5}.chapter{padding:128px max(24px,5vw)}.chapter-inner{width:min(1200px,100%);margin:0 auto}.section-heading{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(240px,.75fr);align-items:end;gap:44px;margin-bottom:54px}.section-heading h2{margin:0;max-width:820px;font-size:clamp(2.3rem,5vw,5.2rem);line-height:.98;letter-spacing:0;text-wrap:balance}.section-heading p{margin:0;color:var(--muted);line-height:1.6;font-size:1.04rem}.source-band{padding:72px max(24px,5vw);background:var(--cyan)}.source-grid{width:min(1200px,100%);margin:0 auto;display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}.source-grid h2{margin:0 0 18px;max-width:780px;font-size:clamp(2rem,4.2vw,4.5rem);line-height:1;letter-spacing:0}.source-grid p{margin:0;max-width:720px;line-height:1.65}.source-image{width:100%;aspect-ratio:1;object-fit:cover;border:1px solid var(--ink);border-radius:6px;filter:saturate(.9) contrast(1.06);box-shadow:18px 18px 0 var(--ink)}
.model-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(320px,5fr);gap:20px;align-items:start}.workspace,.results-panel{border:1px solid var(--ink);border-radius:6px;background:var(--white)}.workspace{padding:clamp(20px,3vw,34px)}.results-panel{position:sticky;top:96px;overflow:hidden;box-shadow:var(--shadow)}.panel-header{padding:22px 24px;border-bottom:1px solid var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px}.panel-header h3{margin:0;font-size:1.35rem}.preset-row{display:flex;gap:8px;flex-wrap:wrap}.preset{min-height:38px;padding:8px 12px;background:var(--paper);color:var(--ink)}.preset[aria-pressed=true]{background:var(--ink);color:var(--white)}.global-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0 28px}.field{display:grid;gap:7px}.field label{font-size:12px;font-weight:780;text-transform:uppercase}.field input{width:100%;min-height:44px;border:1px solid #89928c;border-radius:4px;padding:10px 11px;background:var(--paper);color:var(--ink)}.field input:focus{outline:3px solid rgba(93,228,231,.55);border-color:var(--ink)}.steps{display:grid;gap:0;border-top:1px solid var(--ink)}.step{display:grid;grid-template-columns:minmax(190px,1.4fr) minmax(88px,.55fr) minmax(88px,.55fr);gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.step-name{display:flex;align-items:center;gap:12px;font-weight:760}.step-index{width:30px;height:30px;display:grid;place-items:center;background:var(--panel);border:1px solid var(--ink);border-radius:50%;font-size:12px}.step .field label{text-transform:none;color:var(--muted);font-weight:650}.coordinated{margin-top:28px;padding:22px;background:var(--ink);color:var(--white);border-radius:6px}.coordinated-top{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:18px}.coordinated h3{margin:0 0 6px;font-size:1.45rem}.coordinated p{margin:0;color:#b9c1bb;line-height:1.45;font-size:14px}.coordinated-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.coordinated .field input{background:#242a27;color:var(--white);border-color:#6b756f}.coordinated .field label{color:#d7ddd8}.workspace-actions{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}.workspace-actions .secondary{color:var(--ink);border-color:var(--ink);background:var(--white)}.result-hero{padding:30px 24px;background:var(--acid);border-bottom:1px solid var(--ink)}.result-hero small{display:block;font-weight:760;margin-bottom:8px}.result-hero strong{display:block;font-size:clamp(2.7rem,5vw,4.7rem);line-height:.95}.result-grid{display:grid;grid-template-columns:1fr 1fr}.metric{min-height:128px;padding:20px;border-bottom:1px solid var(--line)}.metric:nth-child(odd){border-right:1px solid var(--line)}.metric span{display:block;color:var(--muted);font-size:13px;line-height:1.35}.metric strong{display:block;margin-top:8px;font-size:1.7rem}.outcome-copy{padding:22px 24px 26px;line-height:1.6;color:var(--muted)}.outcome-copy strong{color:var(--ink)}
.journey{background:var(--ink);color:var(--white)}.journey-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:64px;align-items:start}.journey-title{position:sticky;top:116px}.journey-title h2{margin:0 0 20px;font-size:clamp(2.4rem,5vw,5.6rem);line-height:.96;letter-spacing:0}.journey-title p{color:#adb6af;line-height:1.6}.story-stack{display:grid;gap:26px;padding-bottom:120px}.story{position:sticky;top:126px;min-height:360px;padding:clamp(28px,5vw,56px);border:1px solid #606b64;border-radius:6px;background:#1c221f;box-shadow:0 -18px 48px rgba(0,0,0,.25)}.story:nth-child(2){top:144px;background:#26302b}.story:nth-child(3){top:162px;background:var(--coral);color:var(--ink);border-color:var(--ink)}.story h3{margin:0 0 20px;max-width:640px;font-size:clamp(2rem,4vw,4rem);line-height:1;letter-spacing:0}.story p{margin:0;max-width:660px;line-height:1.65;font-size:1.04rem}.story:not(:last-child) p{color:#c7cec9}.story:last-child p{color:#252b28}.action-band{background:var(--acid);padding:112px max(24px,5vw);border-top:1px solid var(--ink)}.action-inner{width:min(1200px,100%);margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:46px;align-items:end}.action-inner h2{margin:0;font-size:clamp(2.5rem,6vw,6.3rem);line-height:.94;letter-spacing:0;max-width:860px}.action-copy{display:grid;gap:18px}.action-copy p{margin:0;line-height:1.6}.export-large{min-height:54px;background:var(--ink);color:var(--white);border:1px solid var(--ink);border-radius:6px;font-weight:800}footer{padding:34px max(24px,5vw);background:var(--ink);color:#aeb7b0;display:flex;justify-content:space-between;gap:24px;font-size:13px}footer strong{color:var(--white)}.sr-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(max-width:920px){.section-heading,.source-grid,.model-layout,.journey-layout,.action-inner{grid-template-columns:1fr}.source-image{max-width:480px}.results-panel,.journey-title{position:static}.story-stack{padding-bottom:0}.story,.story:nth-child(2),.story:nth-child(3){position:relative;top:auto}}@media(max-width:660px){.nav-links a:not(.nav-action){display:none}.hero{min-height:84vh;padding-top:116px}.chapter{padding-top:92px;padding-bottom:92px}.global-inputs,.coordinated-fields{grid-template-columns:1fr}.step{grid-template-columns:1fr 1fr}.step-name{grid-column:1/-1}.result-grid{grid-template-columns:1fr}.metric:nth-child(odd){border-right:0}footer{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}