:root{--ink: #12100e;--paper: #ffffff;--subtle: #f7f6f3;--hairline: #ece9e4;--muted: #6b665e;--faint: #a29a8d;--course-accent: #12100e}*{box-sizing:border-box;margin:0}html{-webkit-font-smoothing:antialiased}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}h1,h2,h3{font-family:Newsreader,Georgia,serif;font-weight:500;letter-spacing:-.015em;line-height:1.05}a{color:inherit;text-decoration:none}.shell-page{max-width:1160px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;border-left:1px solid var(--hairline);border-right:1px solid var(--hairline)}.nav{display:flex;justify-content:space-between;align-items:center;padding:20px 44px;border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:20;background:var(--paper);transition:transform .35s ease}.nav-hidden{transform:translateY(-100%)}.nav nav{display:flex;gap:10px}.brand{font-family:Newsreader,serif;font-size:22px;font-weight:500;letter-spacing:-.01em}.brand span{color:inherit}.nav nav a{color:var(--ink);font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;border:1px solid var(--hairline);border-radius:999px;padding:8px 18px;transition:border-color .15s ease,background .15s ease}.nav nav a:hover{border-color:var(--ink);background:var(--subtle)}.nav nav a:last-child{background:var(--ink);color:#fff;border-color:var(--ink)}.nav nav a:last-child:hover{opacity:.88;background:var(--ink)}.container{flex:1 0 auto;padding:0 44px 72px}.nav-full{max-width:none;margin:0}.container-full{max-width:none;margin:0;padding:0;border:none;border-radius:0}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:76px 0 56px;border-bottom:1px solid var(--hairline)}.eyebrow,.pill{display:inline-block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);background:none;padding:0;margin:0 0 18px;font-weight:500}.hero h1{font-size:clamp(46px,5vw,64px);font-weight:400;line-height:1;margin:0 0 24px;max-width:14ch}.hero h1 em{font-style:italic}.lede{font-size:20px;color:var(--muted);max-width:50ch;margin:0 0 32px}.hero-ctas{display:flex;align-items:center;gap:26px;flex-wrap:wrap}.textlink{color:var(--muted);text-decoration:underline;text-underline-offset:3px;font-size:15px}.textlink:hover{color:var(--ink)}.hero-visual{display:flex;justify-content:center}.portrait-wrap{position:relative;display:inline-block}.hero-portrait{width:100%;max-width:320px;aspect-ratio:4 / 5;object-fit:cover;object-position:50% 12%;filter:grayscale(1) contrast(1.02);border:1px solid var(--hairline);border-radius:2px;display:block}.portrait-badge{position:absolute;left:-14px;bottom:22px;display:inline-flex;align-items:baseline;gap:5px;background:#d81f27;color:#fff;font-size:13px;letter-spacing:.06em;padding:9px 15px;border-radius:2px;box-shadow:0 10px 30px -14px #d81f278c;white-space:nowrap;font-weight:500}.btn{display:inline-block;background:var(--ink);color:#fff;padding:14px 26px;font-size:15px;font-weight:500;font-family:inherit;border:1px solid var(--ink);border-radius:2px;cursor:pointer}.btn:hover{opacity:.88}.btn:disabled{opacity:.5;cursor:default}.btn-grad{background:var(--course-accent);border-color:var(--course-accent)}.link{background:none;border:none;color:var(--muted);text-decoration:underline;cursor:pointer;padding:0;font:inherit}.strip{display:flex;gap:40px;align-items:baseline;flex-wrap:wrap;padding:26px 0;border-bottom:1px solid var(--hairline);font-size:14px;color:var(--muted)}.strip b{color:var(--ink);font-weight:500}.band{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:56px 0;border-bottom:1px solid var(--hairline)}.band h2{font-size:30px;margin:0;max-width:16ch}.band p{color:var(--muted);margin:0 0 1rem}.band p:last-child{margin-bottom:0}.band-list{list-style:none;padding:0;margin:1.4rem 0 0}.band-list li{padding:.5rem 0;border-top:1px solid var(--hairline);color:var(--ink)}.band-list li:first-child{border-top:none}.section-head{text-align:center;font-size:30px;margin:56px 0 8px}.section-head em{font-style:italic;color:var(--course-accent)}.rows{border-top:1px solid var(--hairline)}.row{display:flex;align-items:center;gap:22px;padding:26px 4px;border-bottom:1px solid var(--hairline)}.row:hover .go,.row:hover .row-arrow{color:var(--course-accent)}.row-thumb{width:104px;height:66px;border-radius:3px;background:var(--subtle);border:1px solid var(--hairline);background-size:cover;background-position:center;flex-shrink:0}.row-body{flex:1;min-width:0}.row-body h3{font-size:24px;margin:0 0 2px}.row-body p{color:var(--muted);font-size:15px;margin:0}.go{font-family:Newsreader,serif;font-style:italic;font-size:19px;color:var(--ink)}.row-arrow{color:var(--muted);font-size:20px}.cta-band{text-align:center;padding:56px 0;border-bottom:1px solid var(--hairline)}.cta-band h2{font-size:32px;margin:0 0 12px}.cta-band p{color:var(--muted);max-width:48ch;margin:0 auto 24px}.bio{padding:64px 0;border-bottom:1px solid var(--hairline);text-align:center}.bio-body{max-width:620px;margin:0 auto}.bio-body h2{font-size:32px;margin:0 0 16px}.bio-body p{color:var(--muted);margin:0 0 1rem}.bio-body p:last-of-type{margin-bottom:24px}.newsletter{text-align:center;padding:56px 0}.newsletter h2{font-size:28px;margin:0 0 8px}.newsletter p{color:var(--muted);margin:0 0 20px}.newsletter form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.auth{display:flex;align-items:center;justify-content:center;min-height:66vh;padding:48px 0}.auth-card{width:100%;max-width:430px;text-align:center}.auth-card h1{font-size:36px;margin:16px 0 12px}.auth-card .muted{max-width:36ch;margin:0 auto}.auth-note{margin:0 auto 10px}.auth-form{margin-top:22px;gap:12px}.auth-form input{width:100%}.auth-btn{width:100%;text-align:center}.auth-resend{margin-top:16px}.auth-foot{margin-top:24px;font-size:14px;color:var(--muted)}.auth-foot a{text-decoration:underline;text-underline-offset:3px}.narrow{max-width:440px;margin:48px auto}.form{display:flex;flex-direction:column;gap:12px;margin-top:16px}input{background:var(--paper);border:1px solid var(--hairline);border-radius:2px;padding:13px 14px;color:var(--ink);font-size:15px;font-family:inherit;min-width:240px}input:focus{outline:none;border-color:var(--ink)}.module{border-top:1px solid var(--hairline);padding-top:20px;margin-top:24px}.module ul{list-style:none;padding:0;margin:8px 0 0}.module li{padding:6px 0}.module a:hover{color:var(--course-accent)}.player{width:100%;border-radius:4px;background:#000;margin:16px 0;border:1px solid var(--hairline)}.content{border-top:1px solid var(--hairline);padding-top:20px;margin-top:20px;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;color:var(--ink);overflow-x:auto}.card{display:block;border:1px solid var(--hairline);border-radius:3px;padding:22px}.card:hover{border-color:var(--ink)}.card h3{margin:0 0 6px;font-size:22px}.card p{color:var(--muted);margin:0;font-size:15px}.muted{color:var(--muted)}.ok{color:#3a7d44}.footer{border-top:1px solid var(--hairline)}.footer-inner{max-width:none;margin:0;padding:26px 44px;display:flex;justify-content:space-between;align-items:center;color:var(--faint);font-size:13px;flex-wrap:wrap;gap:12px}.footer-inner a{color:var(--muted);margin-left:24px}.footer-inner a:hover{color:var(--ink)}@media(max-width:760px){.hero,.band{grid-template-columns:1fr}}.course-claude{--course-accent: #d9682f}.course-claude .pill{color:var(--course-accent)}.course-hero-img{width:100%;height:300px;object-fit:cover;border-radius:4px;border:1px solid var(--hairline);display:block;margin:8px 0 28px}.learn{display:grid;grid-template-columns:320px 1fr;align-items:start;width:100%}.learn-rail{border-right:1px solid var(--hairline);padding:24px 20px 60px}.shell-full{display:flex;flex-direction:column}@media(min-width:861px){.shell-full{height:100dvh;overflow:hidden}.learn-viewport{flex:1;min-height:0;overflow:hidden}.learn{height:100%}.learn-rail,.learn-main{height:100%;overflow-y:auto}}.rail-head{padding-bottom:18px;border-bottom:1px solid var(--hairline);margin-bottom:18px}.rail-course{font-family:Newsreader,serif;font-size:18px;display:block;margin-bottom:12px}.progress{height:4px;background:var(--hairline);border-radius:2px;overflow:hidden}.progress-bar{height:100%;background:var(--course-accent);transition:width .3s ease}.rail-meta{font-size:12px;color:var(--faint);margin-top:8px}.rail-module{margin-bottom:20px}.rail-module-title{display:flex;gap:8px;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}.rail-num{color:var(--faint);font-variant-numeric:tabular-nums}.rail-module ul{list-style:none;padding:0;margin:0}.rail-lesson a{display:flex;gap:9px;align-items:baseline;padding:7px 9px;border-radius:5px;font-size:14px;color:var(--muted)}.rail-lesson a:hover{background:var(--subtle);color:var(--ink)}.rail-lesson.active a{background:var(--subtle);color:var(--ink);font-weight:500;box-shadow:inset 2px 0 0 var(--course-accent)}.rail-lesson .check{color:var(--faint);font-size:12px;width:12px;flex-shrink:0}.rail-lesson.done .check{color:var(--course-accent)}.learn-main{padding:28px 56px 90px;max-width:none;min-width:0}.learn-main .player{max-height:74vh;object-fit:contain}.lesson-crumb{font-size:13px;color:var(--faint);margin:18px 0 6px}.lesson-crumb .sep{margin:0 6px}.learn-main h1{font-size:40px;margin:0 0 20px}.lesson-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);margin-bottom:28px;flex-wrap:wrap}.complete{background:none;border:1px solid var(--hairline);border-radius:999px;padding:8px 18px;font:inherit;font-size:14px;color:var(--ink);cursor:pointer}.complete.is-done{border-color:var(--course-accent);color:var(--course-accent)}.lesson-nav{display:flex;gap:10px}.navbtn{background:none;border:1px solid var(--hairline);border-radius:6px;padding:8px 14px;font:inherit;font-size:14px;color:var(--muted);cursor:pointer}.navbtn:hover:not(:disabled){color:var(--ink);border-color:var(--ink)}.navbtn:disabled{opacity:.4;cursor:default}.prose{font-size:17px;line-height:1.75;max-width:68ch;color:var(--ink);white-space:pre-wrap}.upnext{margin-top:44px;padding-top:24px;border-top:1px solid var(--hairline);text-align:center}.upnext-link{font-family:Newsreader,serif;font-size:22px;color:var(--course-accent);display:block;margin-top:6px}.locked{text-align:center;padding:70px 0}.locked h2{font-size:30px;margin:0 0 10px}@media(max-width:860px){.learn{grid-template-columns:1fr}.learn-rail{position:static;height:auto;border-right:none;border-bottom:1px solid var(--hairline)}}.prose{white-space:normal}.prose>:first-child{margin-top:0}.prose h2{font-size:26px;margin:28px 0 12px}.prose h3{font-size:20px;margin:24px 0 10px}.prose p{margin:0 0 16px}.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}.prose li{margin:4px 0}.prose a{color:var(--course-accent);text-decoration:underline;text-underline-offset:2px}.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:var(--subtle);border:1px solid var(--hairline);border-radius:4px;padding:1px 5px}.prose pre{background:#0c0e12;color:#e6e9ef;border-radius:8px;padding:16px 18px;overflow-x:auto;margin:0 0 18px}.prose pre code{background:none;border:none;padding:0;color:inherit;font-size:13.5px}.skeleton{display:block;background:linear-gradient(90deg,var(--subtle) 25%,#edeae4 37%,var(--subtle) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media(prefers-reduced-motion:reduce){.skeleton{animation:none}}.course-layout{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start}.course-main{min-width:0}.course-main h1{font-size:46px;margin:0 0 16px;max-width:18ch}.course-main .lede{margin-bottom:14px}.course-meta{font-size:14px;color:var(--faint);margin:0}.section-block{margin-top:44px;padding-top:32px;border-top:1px solid var(--hairline)}.section-block h2{font-size:28px;margin:0 0 20px}.learn-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 32px}.learn-grid li{position:relative;padding-left:26px;color:var(--ink);font-size:15px;line-height:1.5}.learn-grid li:before{content:"✓";position:absolute;left:0;top:0;color:var(--course-accent);font-weight:600}.curr-module{border:1px solid var(--hairline);border-radius:6px;margin-bottom:12px;overflow:hidden}.curr-head{display:flex;align-items:baseline;gap:12px;padding:16px 18px;background:var(--subtle);border-bottom:1px solid var(--hairline);font-size:15px;font-weight:600}.curr-title{flex:1}.curr-count{font-size:12px;font-weight:400;color:var(--faint);letter-spacing:.03em}.curr-module ul{list-style:none;padding:6px 18px 12px;margin:0}.curr-module li{padding:7px 0;font-size:15px}.curr-module a{color:var(--muted)}.curr-module a:hover{color:var(--course-accent)}.curr-locked{color:var(--faint)}.course-buy{position:sticky;top:28px}.buy-card{border:1px solid var(--hairline);border-radius:8px;padding:26px 24px;box-shadow:0 12px 40px -24px #12100e66}.buy-amt{font-family:Newsreader,serif;font-size:44px;line-height:1}.buy-sub{color:var(--faint);font-size:13px;letter-spacing:.04em;text-transform:uppercase;margin:6px 0 20px}.buy-cta{display:block;width:100%;text-align:center}.buy-includes{list-style:none;padding:20px 0 0;margin:20px 0 0;border-top:1px solid var(--hairline)}.buy-includes li{position:relative;padding:6px 0 6px 24px;font-size:14px;color:var(--muted)}.buy-includes li:before{content:"✓";position:absolute;left:0;color:var(--course-accent)}@media(max-width:860px){.course-layout{grid-template-columns:1fr;gap:32px}.course-buy{position:static;order:-1}.learn-grid{grid-template-columns:1fr}}
