/* Arbor v0.9. Rich classical garden painting, open white space, a blue lake.
   Existing native serif character with quiet sans-serif controls.
   Palette and corner rules: evergreen actions, blue sources, green learning;
   pill actions/navigation, 20px product surfaces, 12px inquiry nodes. */
:root{color-scheme:light;--ink:#173d32;--body:#53645d;--green:#285b42;--sage:#edf4eb;--blue:#edf6fc;--line:#e1e9e3;--white:#fff;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--serif:Georgia,"Times New Roman",serif;font-family:var(--sans);color:var(--ink);background:var(--white);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:110px}
*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}a{color:inherit}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #537bb4;outline-offset:5px}img{max-width:100%;height:auto;display:block}button{color:inherit}h1,h2,h3,h4,p{margin:0}p{line-height:1.65}button,a{touch-action:manipulation}button:active,.button:active{transform:translateY(1px)}[hidden]{display:none!important}.symbol-library{position:absolute;width:0;height:0;overflow:hidden}.skip-link{position:fixed;top:-80px;left:20px;background:white;padding:15px;z-index:100}.skip-link:focus{top:20px}#nav-sentinel{position:absolute;top:90px;width:1px;height:1px;pointer-events:none}
.nav-wrap{position:fixed;top:24px;left:0;right:0;z-index:40;padding:0 28px;pointer-events:none}.site-nav{pointer-events:auto;display:flex;align-items:center;gap:30px;max-width:960px;min-height:60px;margin:auto;padding:7px 23px;border-radius:100px;background:#111;color:#f8f8f6;box-shadow:0 12px 28px #00000020,inset 0 1px 0 #ffffff33;border:1px solid #ffffff35;transition:max-width .45s cubic-bezier(.22,1,.36,1),min-height .35s,padding .35s,box-shadow .35s}.site-nav.is-compact{max-width:790px;min-height:54px;padding:5px 20px;box-shadow:0 8px 22px #00000026}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:500;letter-spacing:-.5px;flex-shrink:0}.brand svg{width:22px;height:28px}.nav-links{display:flex;align-items:center;gap:27px;margin-left:auto;white-space:nowrap}.nav-links a{text-decoration:none;font-size:14px;color:#d1d1ce;transition:color .2s}.nav-links a:hover{color:white}.nav-download{display:inline-flex;justify-content:center;align-items:center;gap:18px;padding:12px 19px;background:#f6f6f3;border-radius:10px;font-size:14px;font-weight:500;color:#171717;text-decoration:none;white-space:nowrap;transition:background .2s,padding .35s}.nav-download:hover{background:white}.is-compact .nav-download{padding:10px 17px}.nav-download span{font-size:20px;line-height:1}.menu-toggle{display:none;margin-left:auto;width:42px;height:42px;border:0;background:transparent;border-radius:50%;position:relative}.menu-toggle span{position:absolute;width:17px;height:1.5px;left:13px;background:#eff5ed;transition:transform .2s;top:17px}.menu-toggle span+span{top:24px}.menu-toggle[aria-expanded=true] span{top:21px;transform:rotate(45deg)}.menu-toggle[aria-expanded=true] span+span{transform:rotate(-45deg)}.mobile-menu{pointer-events:auto;background:#171717;color:white;border-radius:22px;margin:10px auto 0;max-width:460px;padding:12px;box-shadow:0 12px 28px #173d3225}.mobile-menu a{display:block;text-decoration:none;padding:14px 18px;border-radius:12px}.mobile-menu a:hover{background:#ffffff12}
.hero{position:relative;isolation:isolate;min-height:650px;height:650px;overflow:hidden;background:white}.hero-landscape{position:absolute;inset:0;width:100%;max-width:none;height:100%;object-fit:cover;object-position:center 58%;z-index:-2}.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#ffffffbd 0%,#ffffffa6 32%,#ffffff7a 55%,#ffffff3d 78%,#fff 100%)}.hero-copy{position:relative;text-align:center;max-width:940px;margin:0 auto;padding:140px 24px 0}.eyebrow{font-size:12px;line-height:1.5;letter-spacing:2.5px;text-transform:uppercase;font-weight:600;color:#496d57}.hero h1{font-family:var(--serif);font-size:58px;font-weight:400;line-height:1.08;white-space:nowrap;letter-spacing:-2px;margin-top:20px}.hero h1 em{font-weight:400;color:#234c36;line-height:1.14}.hero-description{font-size:15px;line-height:1.7;margin:20px auto 0;color:#50655d}.hero .eyebrow{color:#597268;font-size:10px;letter-spacing:1.8px;font-weight:500}.hero .text-button{color:#173d32}.hero .play-icon{border-color:#375f52}.hero-actions{display:flex;align-items:center;justify-content:center;margin-top:26px}.hero-actions .button{min-height:44px;padding:11px 21px;font-size:13px;gap:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;border:1px solid transparent;border-radius:100px;min-height:51px;padding:14px 25px;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap;transition:background .2s,box-shadow .2s,transform .2s}.button-green{color:white;background:#24523c;box-shadow:0 4px 10px #173d3212}.button-green:hover{background:#153b2a;box-shadow:0 7px 14px #173d321f}.button-outline{border-color:#9ab3a2;background:transparent;color:var(--ink)}.button-outline:hover{background:#e7f0e5}.button span{font-size:19px}.text-button{display:inline-flex;align-items:center;gap:9px;min-height:44px;border:0;padding:4px 0;background:none;color:#274a3b;font-size:14px}.text-button:hover{text-decoration:underline;text-underline-offset:5px}.play-icon{display:grid;place-items:center;width:28px;height:28px;border:1px solid #789184;border-radius:50%;font-size:18px;padding-left:2px}
.section{max-width:1180px;margin:auto;padding:104px 32px}.section-intro{max-width:680px;margin-bottom:44px}.section-intro .eyebrow{margin-bottom:17px}h2{font-family:var(--serif);font-weight:400;font-size:clamp(36px,3.8vw,49px);line-height:1.1;letter-spacing:-1.9px}.section-intro>p:not(.eyebrow){margin-top:22px;max-width:515px;color:var(--body);font-size:17px}.inquiry-section{padding-top:92px}.inquiry-demo{border:1px solid #e1e9e3;border-radius:20px;background:#fff;box-shadow:0 18px 60px #2d4d3610;overflow:hidden}.demo-heading,.demo-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:23px 27px}.demo-heading{border-bottom:1px solid #e9eee9}.demo-subject{font-size:16px;font-weight:500}.demo-caption{font-size:13px;color:#6d7e74}.inquiry-layout{display:grid;grid-template-columns:1.55fr 1fr;min-height:330px}.question-map{display:grid;position:relative;isolation:isolate;grid-template-columns:1fr 1fr;align-items:center;gap:45px;padding:48px 28px;background-image:radial-gradient(#d6e0d8 .8px,transparent .8px);background-size:17px 17px;background-color:#fcfdfb}.question-node{position:relative;text-align:left;min-height:82px;width:100%;border:1px solid #dce5dc;background:white;border-radius:12px;box-shadow:0 3px 10px #214b3010;padding:17px 15px;font-size:15px;line-height:1.4;transition:border-color .2s,background .2s,box-shadow .2s;z-index:1}.question-node:hover{background:#f5f9f2;border-color:#9fbaa2}.question-node.is-selected{border-color:#5c8964;background:#f1f7ed;box-shadow:0 0 0 1px #5c896430}.node-label{display:block;font-size:11px;color:#6c7e6e;margin-bottom:7px;font-weight:400}.child-nodes{display:flex;flex-direction:column;gap:34px}.child-nodes:before{content:"";position:absolute;left:calc(50% - 1px);top:calc(50% - 58px);height:116px;width:24px;border-left:1.5px solid #a7c1a6;border-top:1.5px solid #a7c1a6;border-bottom:1.5px dashed #a7c1a6;border-radius:15px 0 0 15px;z-index:0}.root-node:after{content:"";position:absolute;left:100%;top:50%;width:24px;border-top:1.5px solid #a7c1a6;pointer-events:none}.answer-panel{padding:43px 31px;border-left:1px solid #e5ece5;display:flex;flex-direction:column;align-items:flex-start}.answer-label{font-size:12px;color:#5e7963;letter-spacing:.3px}.answer-panel h3{font-family:var(--serif);font-size:27px;font-weight:400;line-height:1.2;margin:15px 0}.answer-panel p{font-size:15px;color:#586b5e}.source-link{font-size:13px;margin-top:auto;padding-top:25px;color:#315f45;text-decoration:none}.source-link:hover{text-decoration:underline}.demo-footer{border-top:1px solid #e9eee9;font-size:13px;color:#697b6b}.small-link{border:0;background:none;color:#365f44;font-size:13px;padding:4px 0;min-height:32px}.small-link:hover{text-decoration:underline}.small-link span{margin-left:6px}
.source-section{display:grid;grid-template-columns:1.15fr 1fr;gap:90px;align-items:center;padding-top:68px;padding-bottom:125px}.reading-visual{background:#eaf5fc;padding:40px 33px;border-radius:30px 90px 30px 30px}.source-paper{padding:31px 30px 27px;background:white;border:1px solid #dce8ec;box-shadow:0 14px 35px #54778917;border-radius:12px;transform:rotate(-2deg)}.paper-heading{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#72817b;padding-bottom:21px;border-bottom:1px solid #e6ede8}.paper-heading span+span{font-size:12px;color:#41604e}.source-paper h3{font-family:var(--serif);font-weight:400;line-height:1.2;font-size:27px;margin-top:24px}.source-paper p{font-family:var(--serif);font-size:15px;line-height:1.8;color:#657269;margin-top:15px}.source-paper mark{background:transparent;color:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone;transition:background .4s,color .3s}.source-paper.passage-active mark{background:#deebd4;color:#274c31;box-shadow:3px 0 #deebd4,-3px 0 #deebd4}.paper-rule{height:1px;background:#e6ede8;margin:25px 0 14px}.citation-button{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:38px;background:none;border:0;padding:4px 0;color:#426c51;width:100%;font-size:12px;text-align:left}.source-copy>p{font-size:17px;color:var(--body);margin-top:24px;max-width:340px}.source-copy .secondary-copy{font-size:15px;margin-top:18px;color:#6b7d71}.inline-link{display:inline-block;font-size:14px;font-weight:500;margin-top:28px;text-decoration:none;padding-bottom:5px;border-bottom:1px solid #a9bdac}.inline-link span{margin-left:10px}
.understanding-section{background:#f0f5ec}.understanding-inner{padding-top:92px;padding-bottom:94px}.understanding-inner .section-intro{max-width:760px;margin-bottom:34px}.learning-tabs{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap}.learning-tabs button{border:1px solid transparent;background:transparent;border-radius:100px;padding:12px 18px;font-size:14px;color:#5f745f;min-height:44px;transition:background .2s}.learning-tabs button[aria-selected=true]{background:#fff;color:#244a32;border-color:#d9e4d4;box-shadow:0 3px 8px #1c3f2910}.learning-tabs button:hover{background:#ffffff90}.learning-panel{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:55px;min-height:315px;background:white;border:1px solid #dfe7dc;border-radius:20px;padding:45px 50px}.learning-explanation h3{font-family:var(--serif);font-size:32px;line-height:1.2;font-weight:400;letter-spacing:-.5px}.learning-explanation p{font-size:15px;color:#637466;margin-top:20px;max-width:335px}.example-caption{display:block;margin-top:25px;font-size:12px;line-height:1.5;color:#718471}.principle-tree{padding:25px 0}.principle-root{text-align:center;border:1px solid #b7caae;background:#f3f8ef;border-radius:10px;padding:20px 15px;max-width:265px;margin:auto;font-size:17px;font-family:var(--serif)}.principle-forks{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:55px;position:relative}.principle-forks:before{content:"";position:absolute;top:26px;left:24%;right:24%;height:29px;border:1px solid #b7caae;border-bottom:0;border-radius:10px 10px 0 0}.principle-forks:after{content:"";position:absolute;left:50%;top:0;height:27px;border-left:1px solid #b7caae}.principle-branch{text-align:center;border:1px solid #e0e8df;border-radius:10px;padding:18px 12px;background:#fff}.principle-branch>span{font-size:16px}.principle-branch small{display:block;font-size:11px;color:#758573;margin-top:8px}.practice-example,.review-example{border:1px solid #dce8df;border-radius:14px;padding:25px;background:#fafcf8}.practice-example h4,.review-example h4{font-size:19px;line-height:1.4;font-weight:500}.learner-response{font-size:14px;color:#607363;margin-top:17px}.feedback{margin-top:20px;padding:17px;background:#ecf5fa;border-radius:10px}.feedback span{font-size:12px;color:#446a76}.feedback p{font-size:14px;line-height:1.5;margin-top:7px;color:#365b66}.review-example h4{margin:15px 0}.review-example p{font-size:14px;color:#607363;margin-bottom:18px}.review-example .button{font-size:13px;min-height:43px;padding:10px 20px}
.philosophy-section{display:grid;grid-template-columns:1.05fr 1fr;gap:75px;align-items:center;padding-top:112px;padding-bottom:92px}.philosophy-copy .eyebrow{margin-bottom:18px}.philosophy-copy>p:not(.eyebrow){font-size:17px;color:var(--body);margin-top:23px;max-width:385px}.philosophy-copy>.secondary-copy{font-size:15px!important}.garden-illustration{width:100%;max-width:470px;margin:auto;border-radius:6px;aspect-ratio:1;object-fit:cover}.ownership{border-top:1px solid var(--line);margin-top:32px;padding-top:26px}.ownership h3{font-size:16px;font-weight:500}.ownership p{font-size:14px;color:#697b6e;margin-top:10px;max-width:360px}.export-formats{display:flex;flex-wrap:wrap;gap:12px 17px;margin-top:18px;max-width:380px}.export-formats span{font-size:12px;color:#51745a;border-bottom:1px solid #cfddcd;padding-bottom:5px}
.pricing-section{display:grid;grid-template-columns:1.2fr 1fr;gap:25px 100px;align-items:center;padding-top:92px;padding-bottom:85px;border-top:1px solid #e7eee6}.pricing-heading p{font-size:17px;color:#637567;margin-top:24px}.pricing-card{border:1px solid #dce5d9;border-radius:23px;padding:33px 35px;background:#f6f9f3;display:flex;flex-direction:column;align-items:flex-start}.starter-price{font-family:var(--serif);font-size:64px;margin-top:18px;line-height:1}.starter-price span{display:block;font-family:var(--sans);font-size:14px;line-height:1.5;color:#516954;margin-top:13px}.pricing-card>p{font-size:14px;color:#607362;margin-top:17px;max-width:300px}.credit-packs{width:100%;margin:24px 0 27px;border-top:1px solid #dbe5d6;padding-top:18px}.credit-packs>span{font-size:12px;color:#617660}.credit-packs>div{display:flex;justify-content:space-between;gap:10px;margin-top:14px;max-width:285px;font-size:21px;font-family:var(--serif)}.pricing-card .button{width:100%}.pricing-card>small{font-size:12px;color:#687d68;margin:13px auto 0}.pricing-note{grid-column:1/-1;max-width:640px;font-size:12px;color:#6b7d6e;line-height:1.8;margin-top:8px}.pricing-note a{text-underline-offset:3px}
.faq-section{display:grid;grid-template-columns:1fr 1.25fr;gap:80px;padding-top:75px;padding-bottom:100px}.faq-section h2{font-size:40px;letter-spacing:-1.4px}.faq-list details{border-bottom:1px solid #e1e9df;padding:0 0 0}.faq-list details:first-child{border-top:1px solid #e1e9df}.faq-list summary{cursor:pointer;font-size:15px;line-height:1.5;padding:20px 30px 20px 0;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:2px;top:18px;color:#70846f;font-size:22px;font-weight:300}.faq-list details[open] summary:after{content:"−"}.faq-list details>p{font-size:14px;line-height:1.8;color:#677a69;padding:0 27px 23px 0}.faq-list a{text-underline-offset:3px}.closing-section{text-align:center;padding:90px 24px 100px;background:linear-gradient(180deg,#fff,#f1f6ed)}.closing-mark{width:31px;height:40px;color:#6b9268;margin-bottom:24px}.closing-section h2{font-size:58px;margin-bottom:31px}.site-footer{max-width:1300px;margin:auto;padding:34px 40px;display:flex;gap:28px;justify-content:space-between;align-items:center;color:#3d6047}.site-footer .brand{font-size:21px}.site-footer .brand svg{width:22px;height:28px}.copyright{font-size:12px;color:#758672}.site-footer>div{display:flex;gap:24px;flex-wrap:wrap}.site-footer>div a{font-size:12px;text-decoration:none}.site-footer>div a:hover{text-decoration:underline}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:arrive .8s cubic-bezier(.2,.7,.3,1) both}@keyframes arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}}

@media(max-width:1024px){.nav-wrap{padding:0 22px}.site-nav{padding-left:24px;gap:22px;max-width:900px}.site-nav.is-compact{max-width:760px}.nav-links{gap:19px}.hero{height:650px}.hero-copy{padding-top:140px}.section{padding-left:30px;padding-right:30px}.source-section{gap:55px}.inquiry-layout{grid-template-columns:1.4fr 1fr}.question-map{gap:30px;padding:45px 20px}.question-node{font-size:13px;padding:15px 12px}.root-node:after{width:17px}.child-nodes:before{width:17px}.answer-panel{padding:35px 24px}.learning-panel{gap:30px;padding:35px}.philosophy-section{gap:30px}.pricing-section{gap:30px 65px}.faq-section{gap:45px}.copyright{display:none}}
@media(max-width:760px){:root{scroll-padding-top:98px}.nav-wrap{top:15px;padding:0 15px}.site-nav{min-height:62px;padding:8px 8px 8px 21px;gap:15px}.site-nav.is-compact{max-width:540px;min-height:57px;padding:7px 7px 7px 19px}.brand{font-size:22px}.brand svg{width:22px;height:28px}.nav-links{display:none}.nav-download{margin-left:auto;font-size:12px;padding:13px 16px;gap:11px}.is-compact .nav-download{padding:12px 15px}.menu-toggle{display:block;flex-shrink:0}.hero{height:610px;min-height:610px}.hero-copy{padding-top:132px}.hero h1{font-size:clamp(25px,7.6vw,52px);letter-spacing:-1.2px}.hero-description{font-size:15px}.hero-actions{gap:20px}.section{padding:74px 24px}.section-intro{margin-bottom:32px}h2{font-size:43px;letter-spacing:-1.5px}.section-intro>p:not(.eyebrow){font-size:16px}.inquiry-layout{grid-template-columns:1fr}.question-map{min-height:320px;padding:40px 26px;gap:52px}.question-node{font-size:15px}.root-node:after{width:27px}.child-nodes:before{width:27px}.answer-panel{border-left:0;border-top:1px solid #e5ece5;padding:28px}.answer-panel h3{font-size:26px}.source-link{padding-top:20px}.demo-heading,.demo-footer{padding:18px 22px}.source-section{grid-template-columns:1fr;gap:40px;padding-top:35px;padding-bottom:80px}.source-copy{order:-1;max-width:480px}.source-copy>p{max-width:450px}.reading-visual{padding:33px;max-width:540px}.source-paper{padding:28px}.understanding-inner{padding-top:70px;padding-bottom:70px}.learning-panel{grid-template-columns:1fr;padding:28px;gap:28px;min-height:480px}.learning-explanation h3{font-size:30px}.learning-explanation p{max-width:480px}.example-caption{margin-top:15px}.principle-tree{max-width:430px;width:100%;margin:auto}.learning-tabs{gap:3px}.learning-tabs button{font-size:12px;padding:11px 13px}.philosophy-section{grid-template-columns:1fr;gap:35px}.garden-illustration{max-width:350px}.philosophy-copy{max-width:540px}.philosophy-copy>p:not(.eyebrow){max-width:500px}.pricing-section{grid-template-columns:1fr;gap:35px}.pricing-card{max-width:490px;width:100%}.pricing-note{margin-top:0}.faq-section{grid-template-columns:1fr;gap:30px}.faq-section h2{font-size:38px}.closing-section{padding:60px 24px 80px}.closing-section h2{font-size:47px}.site-footer{padding:30px 24px;flex-wrap:wrap}.site-footer>div{gap:20px}}
@media(max-width:430px){.nav-wrap{padding:0 12px;top:12px}.site-nav{gap:5px;padding-left:17px}.site-nav.is-compact{max-width:calc(100% - 10px);padding-left:15px}.brand{font-size:20px;gap:7px}.brand svg{width:20px;height:26px}.nav-download{font-size:12px;padding:12px 13px;gap:6px}.is-compact .nav-download{padding:11px 12px}.nav-download span{font-size:17px}.menu-toggle{width:36px}.menu-toggle span{left:9px}.hero{height:570px;min-height:570px}.hero-copy{padding:124px 22px 0}.hero h1{font-size:clamp(25px,7.6vw,32px);margin-top:19px;letter-spacing:-.8px}.hero-description{font-size:14px;margin-top:19px}.eyebrow{font-size:10px;letter-spacing:2px}.hero-actions{gap:13px;flex-direction:column;margin-top:24px}.hero-actions .button{padding:11px 20px;min-height:44px}.text-button{font-size:13px;min-height:36px}.section{padding-left:20px;padding-right:20px}h2{font-size:38px}.section-intro>p:not(.eyebrow){font-size:15px}.demo-heading{gap:12px;padding:17px}.demo-subject{font-size:14px}.demo-caption{font-size:11px}.question-map{padding:30px 15px;gap:28px;min-height:290px}.question-node{font-size:13px;padding:14px 11px}.node-label{font-size:10px}.root-node:after{width:15px}.child-nodes:before{width:15px}.child-nodes{gap:26px}.demo-footer{align-items:flex-start;flex-direction:column;gap:5px;font-size:12px}.answer-panel{padding:23px}.reading-visual{padding:23px 20px}.source-paper{padding:23px}.source-paper h3{font-size:25px}.source-paper p{font-size:14px}.learning-panel{padding:23px}.learning-tabs button{font-size:11px;padding:10px 12px}.learning-explanation h3{font-size:28px}.principle-forks{gap:14px}.principle-branch{padding:16px 8px}.principle-branch>span{font-size:14px}.principle-branch small{font-size:10px}.pricing-card{padding:28px}.faq-section h2{font-size:35px}.faq-list summary{font-size:14px}.closing-section h2{font-size:42px}.site-footer{align-items:flex-start;gap:23px}.site-footer>div{gap:15px}.site-footer>div a{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.source-paper{transform:none}}

/* Shared macOS download treatment, including navigation and closing actions. */
.download-button,.hero-actions .download-button{border-radius:10px;gap:9px}.apple-icon{display:block;width:18px;height:20px;flex:0 0 auto;fill:currentColor}.nav-download .apple-icon{width:17px;height:18px}