.pilot-page{background:#f6f4ea}.pilot-header{max-width:1100px;margin:auto;padding:22px 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d8dfd0}.pilot-header a{color:#173f39;text-decoration:none;font-size:13px}.pilot-brand{line-height:1.3}.pilot-brand strong{font-size:17px}.pilot-main{max-width:900px;margin:auto;padding:0 24px}.pilot-intro{padding:45px 0 30px}.pilot-intro h1{font-size:clamp(38px,7vw,66px);letter-spacing:-2px;margin:16px 0}.pilot-intro h1 span{color:#9c6d34}.pilot-intro p{line-height:1.7}.pilot-lead{font-size:clamp(19px,3vw,25px);font-weight:600}.pilot-steps{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:16px 0 0;font-size:12px;font-weight:700}.pilot-steps li{background:#e7eddb;padding:10px 14px;border-radius:30px}.pilot-experiment{background:#fffdf5;border:1px solid #d2dcc9;border-radius:22px;overflow:visible;scroll-margin-top:20px}.pilot-experiment .trial-controls{top:0}.pilot-experiment .world3d-viewport svg{max-height:400px}.pilot-experiment .trial-card{width:100%;text-align:left;cursor:pointer;font:inherit}.pilot-sample,.pilot-feedback{margin-top:35px;padding:32px;background:#fffdf5;border:1px solid #d2dcc9;border-radius:22px;scroll-margin-top:20px}.pilot-sample h2,.pilot-feedback h2{font-size:clamp(24px,4vw,34px);letter-spacing:-.7px;margin:12px 0 22px}.pilot-question{padding-top:24px;margin-top:22px;border-top:1px solid #d6dfd0}.pilot-question h3{font-size:18px;line-height:1.6;margin:15px 0}.pilot-options{display:grid;gap:10px}.pilot-options .quiz-option{width:100%}.pilot-options .quiz-option:disabled{opacity:1;cursor:default}.pilot-options .answer-correct{background:#e2efcf;border:2px solid #557b40}.pilot-options .answer-wrong{background:#f9e5de;border:2px solid #b35b46}.pilot-answer{line-height:1.8;font-size:15px;margin:16px 0;color:#254c43}.pilot-feedback p,.pilot-footer p{line-height:1.7}.pilot-feedback .primary-button{display:inline-flex;text-decoration:none;line-height:1.5}.pilot-feedback small{display:block;margin-top:12px;color:#64776b;font-size:12px}.pilot-footer{font-size:13px;padding:25px 3px 45px;color:#64776b}.pilot-footer a{color:#285e4a}.pilot-skip{position:absolute;left:20px;top:-100px}.pilot-skip:focus{top:8px;background:white;z-index:9;padding:12px}[hidden]{display:none!important}@media(max-width:600px){.pilot-header{padding:18px}.pilot-main{padding:0 12px}.pilot-intro{padding:26px 8px 20px}.pilot-sample,.pilot-feedback{padding:20px}.pilot-experiment .trial-body{padding:14px}.pilot-feedback .primary-button{font-size:14px}.pilot-steps{gap:6px}.pilot-steps li{font-size:11px;padding:8px 10px}}
/* Product introduction: visible notes and a user-controlled walkthrough. */
.pilot-main{max-width:1140px}.product-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:55px 0 35px}.product-hero h1{font-size:clamp(35px,4.5vw,58px);margin:16px 0 22px;letter-spacing:-2px}.hero-promise{font-size:clamp(27px,3.5vw,42px);font-weight:750;line-height:1.25!important;letter-spacing:-1.2px;margin:0 0 20px}.hero-promise em{font-style:normal;color:#8e5c33}.hero-description{font-size:16px;color:#465d52;max-width:550px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 12px}.hero-actions a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-height:46px;font-size:14px}.hero-footnote{font-size:12px;color:#65756b}.hero-note{background:#fffef8;border:1px solid #cfd8c7;border-radius:22px;padding:28px;box-shadow:9px 12px 0 #e6e8d9;transform:rotate(1deg)}.note-top,.note-preview-top{display:flex;justify-content:space-between;gap:14px;color:#617565;font-size:10px;font-weight:750;letter-spacing:1px}.hero-note .note-quote{font-size:30px;font-weight:750;line-height:1.25;margin:28px 0}.note-label{display:block;font-size:10px;letter-spacing:1.5px;font-weight:750;color:#59765a}.hero-note>p{font-size:16px;line-height:1.6}.note-equation{border-top:1px solid #dae0d2;border-bottom:1px solid #dae0d2;padding:16px 0;margin:18px 0;font-size:24px;font-weight:750;line-height:1.6}.note-equation span{color:#b27036;padding-left:25px}.note-takeaway{padding:16px;background:#f5edcf;border-radius:12px}.note-takeaway strong{font-size:16px}.note-takeaway p{font-size:13px;line-height:1.7;margin-bottom:0}.hero-note>a{display:inline-block;margin-top:20px;font-size:13px;font-weight:700;color:#245441}.product-scope{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #cfd8c7;border-bottom:1px solid #cfd8c7;padding:25px 0;gap:20px;margin-top:22px}.product-scope>div{display:flex;flex-direction:column;gap:6px}.product-scope strong{font-size:36px;color:#173f39;line-height:1}.product-scope span{font-size:13px;color:#536a5e}.scope-caption{font-size:11px;color:#6c766c;line-height:1.7;max-width:820px}.product-section{padding:55px 0 10px;scroll-margin-top:25px}.section-heading-copy{max-width:670px;margin-bottom:25px}.section-heading-copy h2,.experiment-intro h2{font-size:clamp(28px,4vw,43px);line-height:1.15;letter-spacing:-1px;margin:14px 0}.section-heading-copy>p:last-child,.experiment-intro>p{font-size:15px;line-height:1.8;color:#53685b}.guided-tour{background:#183f38;color:#fffdf0;border-radius:22px;overflow:hidden}.tour-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 25px;border-bottom:1px solid #ffffff29}.tour-toolbar>span{font-size:10px;letter-spacing:1.3px}.tour-toolbar button{background:#f5edcf;color:#173f39;border:0;border-radius:8px;padding:12px 17px;font:700 13px inherit;cursor:pointer;min-height:44px}.tour-stage{padding:35px 45px;min-height:340px;background:radial-gradient(ellipse at 95% 30%,#3e6758,transparent 60%)}.tour-count{font-size:11px;letter-spacing:1.5px;color:#d8e9ba}.tour-stage h3{font-size:clamp(27px,4vw,42px);letter-spacing:-.8px;margin:22px 0;line-height:1.2;color:#fffdf0}.tour-stage p{max-width:650px;line-height:1.8;font-size:16px;color:#e0e6d9}.tour-visual{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.tour-chip{border:1px solid #8ba98b;border-radius:8px;padding:12px 18px;font-size:13px;font-weight:700;letter-spacing:1px}.tour-formula{font-size:32px;font-weight:750;color:#e3edb7}.tour-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:20px 25px 8px}.tour-controls button{border:1px solid #668374;background:transparent;color:#f6f4df;border-radius:8px;padding:13px 8px;font:inherit;font-size:13px;cursor:pointer;min-height:46px}.tour-controls button[aria-pressed=true]{background:#dceab5;color:#173f39;border-color:#dceab5;font-weight:700}.tour-caption{font-size:11px;color:#c4d1c3;padding:0 25px 15px;line-height:1.7}.note-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.note-tabs button{background:#fffdf5;border:1px solid #b9cbb7;color:#284d3f;border-radius:9px;padding:13px 18px;min-height:46px;font:600 14px inherit;cursor:pointer}.note-tabs button[aria-pressed=true]{background:#204b3d;color:#fffdf0;border-color:#204b3d}.note-preview{padding:32px;background:#fffdf5;border:1px solid #d0d9c7;border-radius:18px}.note-preview h3{font-size:clamp(23px,3vw,34px);letter-spacing:-.5px;margin:24px 0}.note-preview-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}.note-preview p{font-size:15px;line-height:1.8;margin:10px 0 22px}.note-preview .note-meaning{font-size:19px;font-weight:650}.note-diagram{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:15px;border-radius:14px;background:#edf1e2;text-align:center}.note-diagram pre{font:700 24px/1.5 system-ui;white-space:pre-wrap;margin:0 0 12px}.note-diagram strong{font-size:22px}.note-diagram small{font-size:10px;color:#657760;margin-top:14px}.note-warning{background:#fbefcf;border-left:4px solid #ab783d;padding:18px 22px;margin-top:24px;border-radius:0 10px 10px 0}.note-warning p{margin:8px 0 0}.note-example{padding-top:26px}.note-check{background:#eef2e5;border:1px solid #d3ddc8;border-radius:10px}.note-check summary{padding:17px 20px;cursor:pointer;font-size:15px;font-weight:650;line-height:1.6}.note-check summary span{display:block;font-size:12px;color:#5b7057;margin-top:6px}.note-check>p{padding:0 20px 5px}.inside-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.inside-grid article{background:#fffdf5;border:1px solid #d2dccc;border-radius:15px;padding:25px}.inside-grid article>span{font-size:10px;font-weight:750;letter-spacing:1px;color:#6f795b}.inside-grid h3{font-size:22px;margin:15px 0}.inside-grid p{font-size:14px;line-height:1.85;color:#53685b;margin-bottom:0}.curriculum-note{margin-top:22px;border-left:3px solid #748d56;padding:8px 0 8px 22px}.curriculum-note p{font-size:13px;line-height:1.8;color:#53685b}.experiment-intro{padding:60px 0 25px;max-width:760px}.pilot-sample{display:block}.pilot-experiment{max-width:960px;margin:auto}.pilot-sample{max-width:960px;margin:35px auto 0}.pilot-feedback{margin-top:55px}.pilot-footer{max-width:850px}.pilot-page button:focus-visible,.pilot-page a:focus-visible,.pilot-page summary:focus-visible{outline:3px solid #b27b3a;outline-offset:4px}.pilot-page a{scroll-margin-top:20px}@media(max-width:800px){.product-hero{grid-template-columns:1fr;gap:24px}.hero-note{transform:none;max-width:600px}.product-scope{grid-template-columns:repeat(2,1fr)}.note-preview-grid{grid-template-columns:1fr}.note-diagram{min-height:150px}.inside-grid{grid-template-columns:1fr}.tour-stage{padding:25px;min-height:360px}.tour-controls{grid-template-columns:repeat(2,1fr)}.product-section{padding-top:38px}.note-preview{padding:22px}.tour-toolbar{flex-wrap:wrap}.product-hero{padding-top:30px}.note-top,.note-preview-top{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){.guided-tour *{animation:none!important;transition:none!important}}
.product-hero .hero-promise{font-size:clamp(27px,3.5vw,42px);line-height:1.25!important;letter-spacing:-1px}.product-hero .hero-description{font-size:16px}.product-hero .hero-footnote{font-size:12px}.product-hero .eyebrow{font-size:11px;letter-spacing:1.2px;line-height:1.8}.hero-note .note-takeaway p{font-size:13px}.tour-toolbar button,.note-tabs button{font-family:inherit;font-weight:700;font-size:13px}