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li{flex:1;height:5px;border-radius:99px;background:var(--surface-3)}.unit-rail li.past{background:color-mix(in srgb,var(--accent) 45%,var(--surface-3))}.unit-rail li.now{background:var(--accent)}.prose{font-family:var(--serif)}.lesson-section{margin-bottom:52px}.lesson-section>*+*{margin-top:18px}.lesson-section h2{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.section-num{color:var(--ink-3);font:500 .8rem var(--mono);letter-spacing:0}.lesson-section h2+*{margin-top:0}.lesson-section p{color:var(--ink);font-size:1.1rem;line-height:1.75;max-width:68ch}.lesson-section strong{font-weight:650}.lesson-section :not(pre)>code{font-size:.84em;background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:1px 5px;overflow-wrap:anywhere}.lesson-section a{color:var(--accent);text-decoration:underline;text-decoration-color:var(--accent-line);text-underline-offset:3px}.lesson-section a:hover{text-decoration-color:currentColor}.block-list{margin:0;padding-left:1.3rem;font-size:1.07rem;line-height:1.65}.block-list li+li{margin-top:8px}.block-list li::marker{color:var(--accent)}.callout{--c: var(--accent);border-left:3px solid var(--c);border-radius:0 var(--r) var(--r) 0;background:color-mix(in srgb,var(--c) 8%,var(--surface));padding:14px 18px}.callout strong{display:block;margin-bottom:4px;color:var(--c);font:650 .8rem var(--sans);letter-spacing:.04em;text-transform:uppercase}.lesson-section .callout p{color:var(--ink-2);font-size:1rem;line-height:1.6}.callout.tone-tip{--c: var(--ok)}.callout.tone-warn{--c: var(--warn)}.callout.tone-example{--c: color-mix(in srgb, var(--accent) 55%, #a050e0)}.block-steps{list-style:none;margin:0;padding:0;display:grid;gap:0}.block-steps li{position:relative;display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;padding-bottom:20px}.block-steps 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var(--line);border-radius:var(--r);background:var(--surface)}.block-deeper summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:13px 16px;font:600 .98rem var(--sans)}.block-deeper summary::-webkit-details-marker{display:none}.block-deeper summary:after{content:"+";margin-left:auto;color:var(--ink-3);font-size:1.2rem;font-weight:400;transition:transform .2s}.block-deeper[open] summary:after{transform:rotate(45deg)}.block-deeper summary span{color:var(--accent);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:99px;background:var(--accent-soft)}.block-deeper-body{padding:0 16px 16px}.block-deeper-body>*+*{margin-top:14px}.lesson-section .block-deeper-body p{font-size:1.03rem}.block-check{border:1px dashed var(--accent-line);border-radius:var(--r);padding:16px 18px;background:var(--surface)}.block-label{color:var(--accent);font:650 .75rem 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var(--warn)}.b-callout.tone-example{--c: var(--s4)}.b-callout.tone-analogy{--c: var(--s2)}.b-steps{border:1px solid var(--line-2);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;font-family:var(--sans)}.b-steps-rail{list-style:none;margin:0;padding:16px 16px 4px;display:flex;gap:6px;overflow-x:auto}.b-steps-rail li{flex:1 1 0;min-width:90px;position:relative}.b-steps-rail li:not(:last-child):after{content:"";position:absolute;top:15px;left:calc(50% + 18px);right:calc(-50% + 18px);height:2px;background:var(--line-2)}.b-steps-rail li.past:not(:last-child):after{background:var(--accent);transition:background .4s}.b-steps-rail button{width:100%;background:none;border:0;display:grid;justify-items:center;gap:6px;padding:0;color:var(--ink-3)}.b-steps-dot{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--line-2);background:var(--surface);font:700 .82rem var(--sans);transition:all .3s;position:relative;z-index:1}.b-steps-rail 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p+p{margin-top:14px}.cinematic-text-link{display:inline-flex;gap:24px;margin-top:16px;padding:10px 0;border-bottom:1px solid var(--accent);color:var(--scene-ink);font-size:.9rem;font-weight:600}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:120px;border-top:1px solid var(--line-2)}.principles>div{padding-top:25px}.principles span,.principles strong,.principles p{display:block}.principles span{color:var(--accent);font:600 .66rem var(--mono);letter-spacing:.15em}.principles strong{margin-top:30px;font-size:1.6rem;font-weight:560;letter-spacing:-.03em}.principles p{color:var(--scene-ink-2);font-size:.95rem;margin-top:6px}.cinematic-path{border-top:1px solid var(--line)}.path-heading{display:flex;justify-content:space-between;align-items:end;gap:50px}.path-heading p{max-width:360px;margin-bottom:40px}.cinematic-tracks{margin-top:70px;border-top:1px solid var(--line-2)}.cinematic-track{position:relative;min-height:220px;display:grid;grid-template-columns:90px 200px 1fr 140px;align-items:center;gap:25px;padding:25px 10px;border-bottom:1px solid var(--line-2);transition:background .4s}.cinematic-track:hover{background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--t) 10%,transparent),transparent)}.track-ordinal{color:var(--t);font:500 .7rem var(--mono)}.track-constellation{position:relative;width:170px;height:170px;border:1px solid color-mix(in srgb,var(--t) 30%,transparent);border-radius:50%;transform:rotateX(50deg) rotate(-25deg);transition:transform .8s}.cinematic-track:hover .track-constellation{transform:rotateX(0) rotate(15deg)}.track-constellation:before,.track-constellation:after{content:"";position:absolute;top:26px;right:26px;bottom:26px;left:26px;border:1px solid color-mix(in srgb,var(--t) 30%,transparent);border-radius:50%;transform:rotateY(66deg)}.track-constellation:after{top:8px;right:8px;bottom:8px;left:8px;transform:rotateX(70deg)}.track-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--t);font-size:40px;text-shadow:0 0 22px color-mix(in srgb,var(--t) 60%,transparent)}[data-theme=light] .track-center{text-shadow:none}.track-star{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--t);box-shadow:0 0 14px 4px color-mix(in srgb,var(--t) 30%,transparent)}.track-star.a{top:13%;left:28%}.track-star.b{top:37%;right:2%}.track-star.c{bottom:14%;right:25%}.track-star.d{bottom:25%;left:4%}.track-words small{color:var(--t);font:600 .64rem var(--mono);letter-spacing:.15em}.track-words h3{margin:12px 0;color:var(--scene-ink);font-size:clamp(24px,2.8vw,38px);font-weight:540;letter-spacing:-.035em}.track-words p{max-width:470px;color:var(--scene-ink-2);font-size:.95rem}.track-open{color:var(--t);text-align:right;font:600 .66rem var(--mono);letter-spacing:.08em}.cinematic-spotlight>.cinematic-reveal{display:grid;grid-template-columns:40% 60%;align-items:center;gap:30px}.spotlight-copy{padding-right:30px}.spotlight-copy .story-primary{margin-top:25px}.spotlight-visual{position:relative;height:470px;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--r-lg);background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--accent) 16%,var(--scene-bg)),var(--scene-bg) 70%)}.spotlight-grid{position:absolute;top:0;right:0;bottom:0;left:0;opacity:.6;background-image:linear-gradient(color-mix(in srgb,var(--accent) 14%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--accent) 14%,transparent) 1px,transparent 1px);background-size:10% 10%;transform:perspective(400px) rotateX(25deg) scale(1.2)}.spotlight-word{position:absolute;z-index:3;color:var(--scene-ink);font-family:var(--serif);font-size:1.2rem;text-shadow:0 0 18px var(--glow)}.spotlight-word.one{top:57%;left:12%}.spotlight-word.two{top:51%;left:26%}.spotlight-word.three{top:25%;left:41%}.spotlight-word.four{top:61%;left:58%}.spotlight-word.five{top:45%;left:76%;color:var(--accent);font-size:1.6rem}.spotlight-visual svg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;width:100%;height:100%;overflow:visible}.spotlight-visual path{fill:none;stroke:var(--accent);stroke-width:1.4;filter:drop-shadow(0 0 5px var(--glow));stroke-dasharray:400;stroke-dashoffset:400;animation:trace-line 5s ease-in-out infinite}.spotlight-visual path:nth-child(2){animation-delay:.4s;opacity:.55}.spotlight-visual path:nth-child(3){animation-delay:.8s;opacity:.4}@keyframes trace-line{0%{stroke-dashoffset:400}40%,75%{stroke-dashoffset:0}to{stroke-dashoffset:-400}}.spotlight-caption{position:absolute;left:25px;right:25px;bottom:20px;display:flex;justify-content:space-between;color:var(--scene-ink-2);font:500 .62rem var(--mono);letter-spacing:.12em}.cinematic-ending{position:relative;min-height:700px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;border-top:1px solid var(--line);background:radial-gradient(circle at center,color-mix(in srgb,var(--accent) 18%,var(--scene-bg)) 0,var(--scene-bg) 62%)}.ending-halo{position:absolute;top:50%;left:50%;width:430px;height:430px;border-radius:50%;border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);box-shadow:0 0 80px var(--glow),inset 0 0 50px var(--glow);transform:translate(-50%,-50%) rotateX(66deg);animation:end-orbit 18s linear infinite}.ending-halo:before,.ending-halo:after{content:"";position:absolute;top:40px;right:40px;bottom:40px;left:40px;border-radius:50%;border:1px solid color-mix(in srgb,var(--accent) 22%,transparent);transform:rotate(43deg) rotateY(60deg)}.ending-halo:after{top:-50px;right:-50px;bottom:-50px;left:-50px;transform:rotate(-25deg) rotateY(40deg)}@keyframes end-orbit{to{transform:translate(-50%,-50%) rotateX(66deg) rotate(360deg)}}.cinematic-ending>.cinematic-reveal{position:relative}.cinematic-ending h2{font-size:clamp(64px,7.5vw,112px)}.cinematic-ending p{margin-bottom:34px;color:var(--scene-ink-2);font-family:var(--serif);font-size:1.15rem}.cinematic-footer{display:flex;justify-content:space-between;align-items:center;padding:36px 5vw;border-top:1px solid var(--line);background:var(--scene-bg);color:var(--scene-ink-2);font:500 .7rem var(--mono);letter-spacing:.06em}.cinematic-footer>div:first-child{color:var(--scene-ink);font:650 1rem var(--sans);letter-spacing:0}.cinematic-footer>div:nth-child(2){display:flex;gap:30px}.cinematic-footer a:hover{color:var(--scene-ink)}@media(max-width:900px){.cinematic-intro,.cinematic-path,.cinematic-spotlight{padding:110px 6vw}.cinematic-intro{padding-top:48px}.cinematic-track{grid-template-columns:50px 150px 1fr;gap:16px}.track-constellation{width:140px;height:140px}.track-open{display:none}.cinematic-spotlight>.cinematic-reveal{grid-template-columns:1fr}.spotlight-visual{margin-top:50px}.story-scene,.story-scene.scene-0,.story-scene.scene-1,.story-scene.scene-2,.story-scene.scene-3{left:50%;top:calc(var(--header-h) + 62px);bottom:auto;width:86vw;text-align:center;transform:translate(-50%,14px) scale(.96)}.story-scene.is-active,.story-scene.scene-0.is-active,.story-scene.scene-1.is-active,.story-scene.scene-2.is-active{transform:translate(-50%) scale(1)}.story-scene:before{top:-20px;right:-7vw;bottom:-20px;left:-7vw;background:linear-gradient(to top,transparent,var(--scene-bg) 16%)}.story-chapters,.story-bottom{display:none}.story-scene .story-title{margin:14px 0}.story-scene.scene-0 .story-eyebrow,.story-scene.scene-1 .story-eyebrow,.story-scene.scene-2 .story-eyebrow,.story-scene.scene-0 .story-actions,.story-scene.scene-1 .story-actions,.story-scene.scene-2 .story-actions{justify-content:center}.story-scene.scene-0 p,.story-scene.scene-1 p,.story-scene.scene-2 p{margin:auto}}@media(max-width:700px){.story-topline{left:5%;right:5%}.story-bottom{left:5%;right:5%;gap:10px}.story-chapters{right:5px;gap:10px}.story-chapters button{font-size:0;gap:5px}.story-chapters button span{font-size:.55rem}.story-scene{width:84vw}.story-scene .story-title,.story-scene.scene-0 .story-title,.story-scene.scene-1 .story-title,.story-scene.scene-2 .story-title{font-size:clamp(32px,9.6vw,64px)}.story-scene .story-title .title-line{white-space:normal}.story-actions{flex-direction:column;gap:18px}.intro-grid,.path-heading{display:block}.principles{grid-template-columns:1fr;margin-top:70px;gap:0}.principles>div{padding:26px 0;border-bottom:1px solid var(--line)}.principles strong{margin-top:14px}.cinematic-tracks{margin-top:44px}.cinematic-track{grid-template-columns:42px 90px 1fr;min-height:170px;padding:20px 0;gap:8px}.track-constellation{width:84px;height:84px}.track-center{font-size:26px}.track-words p{display:none}.spotlight-visual{height:340px}.cinematic-ending{min-height:620px;padding:50px 6vw}.cinematic-ending h2{font-size:60px}.ending-halo{width:300px;height:300px}.cinematic-footer{display:block}.cinematic-footer>div:nth-child(2){margin:22px 0}}@media(prefers-reduced-motion:reduce){.story-scroll{height:100vh}.story-sticky{position:relative}.story-scene{display:none;transition:none}.story-scene.scene-0{display:block;opacity:1;filter:none;transform:translateY(-50%)}.story-scene .title-character{opacity:1!important;filter:none!important;transform:none!important;transition:none}.story-chapters{display:none}.cinematic-reveal{opacity:1;transform:none;filter:none}.spotlight-visual path,.ending-halo{animation:none}}@media(prefers-reduced-motion:reduce)and (max-width:900px){.story-scene.scene-0{transform:translate(-50%)}}@media(max-width:520px){.story-topline{letter-spacing:.08em;white-space:nowrap}}.cinematic-footer .footer-brand{display:flex;align-items:center;gap:10px}.footer-mark{width:26px;height:26px}