/* Contemporary direction: warm black, wine, pale metal. */
body{--bg:#100e11;--surface:#1a161b;--ink:#f2eeed;--muted:#bfb5be;--copper:#d7b8bb;--line:#352c34;background:var(--bg)}
.site-header{padding:22px 5vw;background:#100e11}.brand small{letter-spacing:1.1px}.brand-mark{font:700 21px/1 Arial,sans-serif;letter-spacing:-1.8px;color:#e7d9da}.site-header nav{gap:28px}.site-header nav a[aria-current]{text-decoration:none}.site-header nav a[aria-current]:before{content:'';height:5px;width:5px;border-radius:50%;background:#b5808f}
.review-banner{background:#161117;color:#c3acb8;letter-spacing:1.5px;border-bottom:1px solid #2b222b}
.hero{display:grid;grid-template-columns:1.02fr 1fr;gap:0;min-height:690px;padding:64px 5vw 88px;background:radial-gradient(ellipse at 78% 45%,#30172280,transparent 55%),#100e11;isolation:isolate;align-items:center;border-bottom:1px solid var(--line)}
.hero:before{content:'';position:absolute;right:8%;top:12%;width:38%;height:70%;background:radial-gradient(ellipse,#57293d40,transparent 67%);filter:blur(30px);z-index:-1}
.hero-copy{z-index:2;max-width:620px}.hero .eyebrow{font-size:10px;letter-spacing:3px;color:#be99a6}.hero h1{font-family:Arial,sans-serif;font-weight:700;font-size:clamp(80px,9.5vw,144px);letter-spacing:-.085em;line-height:.93;max-width:none;margin:35px 0 32px}
.hero h1 em{font:italic 400 .72em/.97 Georgia,serif;letter-spacing:-.065em;color:#d9bbbf;margin-top:14px;padding-right:.1em}
.hero p.lead{max-width:43ch;font-size:16px;line-height:1.75;color:#c6bdc6}.hero-foot{margin-top:32px;gap:24px}.hero .small{font-size:11px;margin-top:22px;color:#a99ba8;letter-spacing:.4px}
.button{border-radius:100px;background:#e0c9ce;border-color:#e0c9ce;color:#25161d;padding:15px 25px;font-weight:500;transition:background .2s,box-shadow .2s,transform .2s}.button:hover{background:#f4e7e9;box-shadow:0 4px 26px #b0698625;color:#25161d}.button.secondary{border-color:#69505e;color:var(--ink);background:transparent}.button.secondary:hover{background:#33242d;color:var(--ink)}
.hero-footer{position:absolute;left:5vw;right:5vw;bottom:25px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid #382733;padding-top:20px;font-size:10px;letter-spacing:1.8px;text-transform:uppercase;color:#af9daa}.hero-footer span:last-child{letter-spacing:1px}
.object-composition{position:relative;min-width:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center;margin:-36px -3vw -15px -3vw;z-index:1}
.object-composition:after{content:'';position:absolute;left:18%;right:18%;bottom:15%;height:6%;border-radius:50%;background:#0009;filter:blur(20px);pointer-events:none;z-index:-1}
.collar-stage{position:relative;width:100%;aspect-ratio:1.11;min-height:400px;cursor:grab;touch-action:pan-y;outline-offset:-14px!important;border-radius:20px}
.collar-stage.is-dragging{cursor:grabbing}.collar-stage canvas{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity .5s;pointer-events:none}.collar-stage[data-scene="webgl"] canvas{opacity:1}
.collar-poster{position:absolute;inset:6% -1% 0;width:102%;height:88%;object-fit:contain;opacity:.95;mask-image:radial-gradient(ellipse 67% 65% at center,#000 40%,transparent 83%);transition:opacity .4s;pointer-events:none}.collar-stage[data-scene="webgl"] .collar-poster{opacity:0}.collar-stage[data-scene="fallback"]{cursor:default}
.object-caption{position:absolute;top:13%;left:10%;font-size:9px;letter-spacing:2.4px;text-transform:uppercase;color:#947b8d;pointer-events:none}.object-controls{display:flex;justify-content:center;align-items:center;gap:22px;font-size:11px;color:#b2a1b0;position:relative;margin-top:-20px;z-index:2}.object-controls button{border:0;background:none;color:#d0b8c7;min-height:44px;font-size:11px;text-decoration:underline;text-underline-offset:5px}.object-controls button:disabled{opacity:.5;text-decoration:none}.object-controls .drag-hint:before{content:'↔';font-size:18px;margin-right:9px;color:#d4b6c4}
.motion-toggle{position:fixed;right:22px;bottom:20px;z-index:12;background:#211821eb;backdrop-filter:blur(12px);border:1px solid #65505f;border-radius:100px;color:#decbd6;padding:9px 15px;font-size:11px;min-height:42px;display:flex;align-items:center;gap:9px;box-shadow:0 6px 25px #0004}.motion-toggle:before{content:'';width:5px;height:5px;border-radius:50%;background:#b788a0}.motion-toggle[aria-pressed="false"]:before{background:#756b76}.motion-toggle:disabled{opacity:.8;cursor:default}
body[data-effects="on"] .hero-copy{animation:copy-arrive .7s ease both}body[data-effects="on"] .route-arrive{animation:route-arrive .3s ease both}@keyframes copy-arrive{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes route-arrive{from{opacity:.25}to{opacity:1}}
.unit-overview{padding:82px 7vw;gap:8vw;background:linear-gradient(160deg,#181119,#100e11 70%)}.unit-overview h2{font:400 clamp(30px,3vw,43px)/1.2 Arial,sans-serif;letter-spacing:-1.5px;max-width:17ch;margin-top:24px}.unit-overview p.muted{font-size:15px;max-width:37ch}.lesson-list a{font-size:18px;padding:24px 8px;transition:background .2s,padding .2s}.lesson-list a:hover{padding-left:16px;background:linear-gradient(90deg,#40263560,transparent)}.lesson-list .num{color:#b58297}.lesson-list a>span:last-child{border:1px solid #493442;border-radius:50%;width:30px;height:30px;display:grid;place-items:center;font-size:13px}
.unit-intro{padding-top:35px}.all-units{background:#171217;border-top:1px solid var(--line)}
.reader-top{font-size:12px;letter-spacing:.3px}.reader-aside{padding-top:4px}.index a{padding:14px;border-color:#43323f}.index a[aria-current]{border-color:#c69bad;background:linear-gradient(90deg,#3c253550,transparent)}.reader-title{font:400 clamp(36px,3.9vw,58px)/1.13 Arial,sans-serif;letter-spacing:-2px;max-width:24ch;margin:30px 0 40px}.reading-tools{border-color:#40303c}.reader .prose{line-height:1.9}.reader .prose h3{font-family:Arial,sans-serif;letter-spacing:-.6px;font-size:1.35em}.reader .prose .question{border-color:#9b6a81;padding:18px 24px;background:linear-gradient(90deg,#321c2c60,transparent);font-size:1em}
.practice{background:linear-gradient(115deg,#27182360,transparent);padding:28px;border:1px solid #513b4b;border-radius:16px}.practice textarea{border-radius:10px;background:#110d12}.practice h2{font-family:Arial,sans-serif;letter-spacing:-.8px}.answers{background:#1c131b;border-radius:12px;border-color:#664856}.answers summary{font-size:15px}.answers .answer-body{background:#181217;border-radius:0 0 12px 12px}.page-nav a{padding:24px 0}.library-head h1{font:400 clamp(43px,5vw,72px)/1.06 Arial,sans-serif;letter-spacing:-3px}.library-tools input{border-radius:10px;background:#191219}.resource-row{transition:background .2s,padding .2s}.resource-row:hover{background:#28182560;padding-left:10px}.resource-row h2{font-family:Arial,sans-serif;font-size:23px;letter-spacing:-.6px}.download-row{border-radius:14px;background:#20141e}.site-footer{padding-bottom:80px}
@media(min-width:1600px){.hero{padding-left:8vw;padding-right:8vw}.object-composition{margin-left:-2vw;margin-right:0}.collar-stage{max-height:660px;aspect-ratio:1.2}.hero-footer{left:8vw;right:8vw}}
@media(max-width:1000px){.hero{min-height:620px;padding:45px 5vw 90px;grid-template-columns:1fr 1fr}.hero h1{font-size:92px}.hero p.lead{font-size:15px}.object-composition{margin-left:-5vw;margin-right:-4vw}.collar-stage{min-height:340px}.object-caption{display:none}.object-controls{gap:12px;font-size:10px}.hero-foot{gap:16px}.hero-footer{font-size:9px}.unit-overview{gap:35px}.motion-toggle{bottom:15px;right:15px}}
@media(max-width:700px){.site-header{padding:18px 24px 10px;gap:12px}.site-header nav{gap:22px;font-size:12px}.brand small{font-size:9px}.hero{grid-template-columns:1fr;padding:30px 24px 74px;min-height:0}.hero-copy{max-width:560px}.hero .eyebrow{font-size:9px;letter-spacing:2.4px}.hero h1{font-size:clamp(72px,21vw,128px);margin:23px 0;letter-spacing:-.07em}.hero h1 em{font-size:.70em;letter-spacing:-.06em;margin-top:9px}.hero p.lead{font-size:15px;max-width:37ch}.hero .hero-foot{gap:18px;margin-top:22px}.hero-foot .button{width:auto;font-size:13px;padding:13px 19px}.hero .small{margin-top:18px;font-size:10px}.object-composition{margin:-5px -24px 2px;min-height:295px;align-self:auto}.collar-stage{min-height:0;height:300px;aspect-ratio:auto;width:100%}.object-controls{margin-top:-28px;margin-bottom:12px;font-size:10px}.object-composition:after{bottom:14%}.hero-footer{left:24px;right:24px;bottom:24px;padding-top:18px;gap:10px;align-items:start;line-height:1.6;letter-spacing:1px}.hero-footer span:last-child{max-width:19ch;text-align:right}.unit-overview{padding:45px 24px}.unit-overview h2{font-size:33px;letter-spacing:-1px;max-width:18ch}.unit-overview p.muted{font-size:14px}.lesson-list a{font-size:16px;padding:22px 0;grid-template-columns:22px 1fr 28px}.lesson-list a:hover{padding-left:0}.unit-intro{padding:20px 24px 50px}.reader-title{font-size:37px;letter-spacing:-1.3px;margin:24px 0 30px}.practice{padding:22px 18px}.reader .prose .question{padding:16px 18px}.motion-toggle{font-size:10px;padding:8px 12px;min-height:40px;bottom:12px;right:12px}.library-head h1{font-size:44px;letter-spacing:-2px}.resource-row h2{font-size:22px}.resource-row:hover{padding-left:0}.site-footer{padding-bottom:78px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
body[data-effects="off"] *,body[data-effects="off"] *:before,body[data-effects="off"] *:after{animation:none!important;transition:none!important}