:root{--ink: #20201f;--muted: #686865;--paper: #f7f5f0;--surface: #ffffff;--line: #ddd9d0;--chrome: #20201f;--soft-surface: #f1eee7;--quiet-surface: rgba(255, 255, 255, 0.5);--red: #a6192e;--red-dark: #721124;--gold: #ffd200;--gold-soft: #fff5bf;--green: #287a5a;--blue: #245b78;--shadow: 0 20px 60px rgba(43, 37, 29, 0.09);--radius: 18px;--content-width: 1120px}:root[data-theme="dark"]{color-scheme:dark;--ink: #f1efe9;--muted: #b6b3ac;--paper: #111313;--surface: #1c1f1f;--line: #363938;--chrome: #080a0a;--soft-surface: #292c2b;--quiet-surface: rgba(255, 255, 255, 0.035);--red: #ef6a7e;--red-dark: #ff8798;--gold-soft: #3d3614;--shadow: 0 20px 60px rgba(0, 0, 0, 0.32)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:var(--red-dark);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--red)}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}h1,h2,h3,h4{margin:0 0 0.65em;font-family:ui-serif, Georgia, Cambria, "Times New Roman", serif;font-weight:650;line-height:1.08;letter-spacing:-0.025em}h1{font-size:clamp(2.6rem, 7vw, 5.4rem)}h2{font-size:clamp(1.8rem, 4vw, 2.7rem)}h3{font-size:1.35rem}p,ul,ol,dl,blockquote,pre,table{margin-top:0;margin-bottom:1.25rem}code,pre{font-family:"SFMono-Regular", Consolas, "Liberation Mono", monospace}code{padding:0.15em 0.35em;border-radius:4px;background:#eeeae1;font-size:0.9em}pre{overflow-x:auto;padding:1rem;border:1px solid var(--line);border-radius:10px;background:#f0ede6}pre code{padding:0;background:transparent}.wrapper{width:calc(100% - 40px);max-width:var(--content-width);margin:0 auto}.skip-link{position:fixed;top:8px;left:8px;z-index:1000;padding:0.6rem 0.9rem;color:white;background:var(--chrome);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{position:relative;z-index:10;color:white;background:var(--chrome);border-top:6px solid var(--red)}.site-header::after{position:absolute;right:0;bottom:0;left:0;height:3px;content:"";background:linear-gradient(90deg, var(--gold) 0 32%, var(--red) 32% 67%, #fff 67%)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;min-height:92px;padding-top:1rem;padding-bottom:1rem}.site-brand{display:inline-flex;align-items:center;gap:0.85rem;color:white;text-decoration:none}.site-brand:hover{color:white;text-decoration:none}.department-mark{display:block;flex:0 0 auto;width:235px}.department-mark img{display:block;width:100%;height:auto}.brand-copy{display:grid;line-height:1.15}.brand-copy strong{font-size:1.05rem;letter-spacing:0.03em}.brand-copy small{margin-top:0.28rem;color:#c9c7c2;font-size:0.76rem}.menu{display:flex;align-items:center;gap:0.25rem;margin:0;padding:0;list-style:none}.header-actions{display:flex;align-items:center;gap:0.8rem}.page-link{display:block;padding:0.55rem 0.75rem;border-radius:999px;color:#e8e6e1;font-size:0.85rem;font-weight:650;text-decoration:none}.page-link:hover{color:white;background:rgba(255,255,255,0.08)}.page-link.is-active{color:#20201f;background:var(--gold)}.theme-toggle{display:inline-flex;align-items:center;gap:0.45rem;min-height:38px;padding:0.35rem 0.65rem;border:1px solid rgba(255,255,255,0.2);border-radius:999px;color:#eceae5;background:transparent;font:inherit;font-size:0.74rem;font-weight:700;cursor:pointer}.theme-toggle:hover{border-color:rgba(255,255,255,0.42);background:rgba(255,255,255,0.08)}.theme-toggle-indicator{position:relative;width:16px;height:16px;border:2px solid var(--gold);border-radius:50%;background:var(--gold);box-shadow:inset -5px 0 0 var(--chrome)}[data-theme="dark"] .theme-toggle-indicator{background:transparent;box-shadow:none}[data-theme="dark"] .theme-toggle-indicator::before,[data-theme="dark"] .theme-toggle-indicator::after{position:absolute;inset:-5px 5px;width:2px;content:"";background:var(--gold)}[data-theme="dark"] .theme-toggle-indicator::after{transform:rotate(90deg)}.page-content{min-height:70vh;padding:clamp(3rem, 7vw, 6rem) 0}.eyebrow{margin-bottom:0.7rem;color:var(--red);font-size:0.76rem;font-weight:800;letter-spacing:0.14em;text-transform:uppercase}.course-hero{position:relative;display:grid;grid-template-columns:minmax(0, 1.25fr) minmax(310px, 0.75fr);gap:3rem;min-height:440px;overflow:hidden;padding:clamp(2.2rem, 5vw, 4.8rem);color:white;background:var(--chrome);border-radius:calc(var(--radius) + 6px);box-shadow:var(--shadow)}.course-hero::before{position:absolute;top:0;left:0;width:7px;height:100%;content:"";background:var(--red)}.hero-copy{position:relative;z-index:1;align-self:center;min-width:0}.course-hero .eyebrow{color:var(--gold)}.course-hero h1{max-width:760px;margin-bottom:1rem}.hero-description{max-width:620px;margin-bottom:2rem;color:#d5d2cb;font-size:clamp(1.05rem, 2vw, 1.3rem)}.status-badge{display:inline-flex;align-items:center;gap:0.55rem;padding:0.45rem 0.75rem;border:1px solid rgba(255,255,255,0.18);border-radius:999px;background:rgba(255,255,255,0.07);font-size:0.82rem;font-weight:700}.status-badge span{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,210,0,0.14)}.status-detail{max-width:590px;margin:0.85rem 0 0;color:#aaa7a1;font-size:0.88rem}.sequence-motif{position:relative;z-index:0;align-self:center;justify-self:end;width:clamp(420px, 36vw, 500px);margin-right:clamp(-6rem, -5.5vw, -4rem);transform:rotate(1.4deg)}.sequence-motif svg{display:block;width:100%;height:auto;overflow:visible}.motif-track-label,.motif-end-label,.motif-bases text,.motif-indel-label,.motif-mismatch-mark{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}.motif-track-label{fill:rgba(255,255,255,0.42);font-size:12px;font-weight:800;letter-spacing:0.18em}.motif-end-label{fill:rgba(255,255,255,0.58);font-size:14px;font-weight:700}.motif-continuation{fill:rgba(255,255,255,0.42);font-family:ui-monospace, monospace;font-size:10px;letter-spacing:2px}.motif-reference-rail{stroke:url(#reference-rail-fade);stroke-width:2}.motif-read-rail,.motif-read-arrow{fill:none;stroke:rgba(255,255,255,0.28);stroke-linecap:round;stroke-width:2}.motif-read-end{fill:var(--chrome);stroke:rgba(255,255,255,0.42);stroke-width:2}.motif-seed-box{fill:rgba(255,210,0,0.09);stroke:rgba(255,210,0,0.5);stroke-width:1.5}.motif-bases text{fill:rgba(255,255,255,0.48);font-size:22px;font-weight:750;text-anchor:middle}.motif-bases .motif-seed-base{fill:var(--gold)}.motif-bases .motif-flank-base{fill:rgba(255,255,255,0.22)}.motif-bases .motif-variant-base{fill:#ff8495}.motif-variant-backdrop{fill:rgba(166,25,46,0.2);stroke:rgba(255,132,149,0.38)}.motif-seed-connector{fill:none;stroke:rgba(255,210,0,0.46);stroke-width:2}.motif-connector-node{fill:var(--gold);opacity:0.66}.motif-indel-connector,.motif-mismatch-connector{fill:none;stroke:rgba(255,132,149,0.72);stroke-dasharray:4 5;stroke-linecap:round;stroke-width:1.5}.motif-gap-position{fill:var(--chrome);stroke:#ff8495;stroke-width:1.5}.motif-indel-label{fill:#ff8495;font-size:10px;font-weight:700;letter-spacing:0.02em}.motif-mismatch-mark{fill:#ff8495;font-size:16px;font-weight:800}.section-block{padding:clamp(4rem, 8vw, 7rem) 0;border-bottom:1px solid var(--line)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:2rem}.fact-grid{display:grid;grid-template-columns:repeat(4, minmax(0, 1fr));gap:1rem;margin:0}.fact-card{min-height:145px;padding:1.35rem;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:12px;background:var(--surface)}.fact-card dt{margin-bottom:1.8rem;color:var(--muted);font-size:0.76rem;font-weight:750;letter-spacing:0.08em;text-transform:uppercase}.fact-card dd{margin:0;font-family:ui-serif, Georgia, serif;font-size:1.15rem;font-weight:650;line-height:1.25}.quick-links{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:1.5rem}.button-link,.resource-link{display:inline-flex;align-items:center;min-height:42px;padding:0.55rem 0.85rem;border-radius:8px;color:white;background:var(--red-dark);font-size:0.84rem;font-weight:750;text-decoration:none;text-transform:capitalize}.button-link:hover,.resource-link:hover{color:white;background:var(--red)}.quiet-state{padding:1.4rem 1.6rem;border:1px dashed #c9c4ba;border-radius:12px;color:var(--muted);background:var(--quiet-surface)}.quiet-state p{margin:0}.updates-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.updates-list li{display:grid;grid-template-columns:100px 1fr;gap:1rem;padding:1.1rem 0;border-bottom:1px solid var(--line)}.updates-list time{color:var(--red);font-size:0.82rem;font-weight:750;text-transform:uppercase}.updates-list p{margin:0}.two-column{display:grid;grid-template-columns:minmax(240px, 0.8fr) minmax(0, 1.2fr);gap:clamp(2rem, 8vw, 7rem)}.prose-lead{color:#373735;font-size:1.08rem}.prose-lead p:first-child{font-family:ui-serif, Georgia, serif;font-size:1.45rem;line-height:1.45}.people-grid{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:1rem}.person-card{display:flex;align-items:center;gap:1rem;padding:1.15rem;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.person-card img{width:72px;height:72px;border-radius:50%;object-fit:cover;filter:grayscale(20%)}.person-card div{display:grid}.person-card-placeholder{min-height:96px;border-style:dashed;background:var(--quiet-surface)}.person-card strong,.person-card a{color:var(--ink);font-family:ui-serif, Georgia, serif;font-size:1.22rem;font-weight:650}.person-role{color:var(--muted);font-size:0.75rem;font-weight:750;letter-spacing:0.08em;text-transform:uppercase}.previous-course{display:flex;align-items:center;justify-content:space-between;gap:2rem;margin-top:4rem;padding:1.5rem 1.7rem;color:white;background:var(--red-dark);border-radius:14px}.previous-course .eyebrow{color:var(--gold)}.previous-course p{margin:0}.previous-course .text-link{flex:0 0 auto;color:white;font-weight:750}.post{max-width:900px}.post-header{margin-bottom:2.5rem}.post-header h1{font-size:clamp(2.8rem, 7vw, 4.8rem)}.post-content>p:first-child{max-width:760px;color:var(--muted);font-size:1.1rem}.notice{margin:0 0 3rem;padding:1rem 1.2rem;border:1px solid #e3cf66;border-left:5px solid var(--gold);border-radius:8px;background:var(--gold-soft)}.notice strong{display:block;margin-bottom:0.15rem;font-size:0.8rem;letter-spacing:0.06em;text-transform:uppercase}.notice p{margin:0}.lecture-groups{margin-top:3rem}.lecture-unit{display:grid;grid-template-columns:220px minmax(0, 1fr);gap:2.5rem;padding:2.5rem 0;border-top:1px solid var(--line)}.unit-heading{position:sticky;top:1rem;align-self:start}.unit-heading span{color:var(--red);font-size:0.72rem;font-weight:800;letter-spacing:0.12em;text-transform:uppercase}.unit-heading h2{margin-top:0.35rem;font-size:1.55rem}.lecture-list{display:grid;gap:0.75rem;margin:0;padding:0;list-style:none}.lecture-card{display:grid;grid-template-columns:56px minmax(0, 1fr) auto;align-items:center;gap:1rem;min-height:118px;padding:1.2rem;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.lecture-number{display:grid;width:48px;height:48px;border-radius:50%;color:white;background:var(--chrome);place-items:center;font-family:ui-monospace, monospace;font-size:0.8rem;font-weight:750}.lecture-copy h3{margin-bottom:0.3rem;font-family:inherit;font-size:1.08rem;letter-spacing:-0.01em}.lecture-copy p{margin:0;color:var(--muted);font-size:0.92rem}.lecture-date{display:inline-block;margin-top:0.45rem;color:var(--red);font-size:0.78rem;font-weight:700}.lecture-resources{text-align:right}.lecture-resources .resource-link{margin:0.2rem}.resource-status{display:inline-block;padding:0.38rem 0.65rem;border-radius:999px;color:var(--muted);background:var(--soft-surface);font-size:0.75rem;font-weight:700;white-space:nowrap}.empty-state{display:grid;grid-template-columns:120px minmax(0, 1fr);align-items:center;gap:2.5rem;margin-top:3rem;padding:clamp(2rem, 6vw, 4rem);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.empty-state-mark{display:grid;width:120px;height:120px;border-radius:50%;color:white;background:var(--red-dark);place-items:center;font-family:ui-monospace, monospace;font-size:1.5rem;font-weight:750}.empty-state h2{margin-bottom:0.5rem;font-size:2rem}.empty-state p{margin:0;color:var(--muted)}.assignment-list{margin:2rem 0 0;padding:0;list-style:none}.assignment-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}.assignment-label{display:block;color:var(--muted);font-size:0.75rem;font-weight:750;text-transform:uppercase}.syllabus-page .post{max-width:920px}.syllabus-page .post-content{max-width:780px}.syllabus-page .post-content h1{margin-top:1.2em;font-size:2.2rem}.syllabus-page .post-content h2{margin-top:2.4em;padding-top:0.8em;border-top:1px solid var(--line);font-size:1.75rem}.syllabus-page .post-content h3{margin-top:2em;font-family:inherit;font-size:1.15rem}.syllabus-page blockquote{margin-left:0;padding-left:1.2rem;border-left:4px solid var(--line);color:var(--muted)}.syllabus-page li{margin-bottom:0.35rem}.site-footer{color:#d2cfc8;background:var(--chrome)}.footer-inner{display:flex;align-items:start;justify-content:space-between;gap:2rem;padding-top:2.5rem;padding-bottom:2.5rem}.site-footer strong{color:white}.site-footer p{margin:0.25rem 0 0;font-size:0.86rem}.footer-links{display:flex;flex-wrap:wrap;gap:1.25rem}.footer-links a{color:#d2cfc8;font-size:0.86rem}[data-theme="dark"] code{background:#282b2a}[data-theme="dark"] pre{background:#171919}[data-theme="dark"] .button-link,[data-theme="dark"] .resource-link{color:white;background:#78192a}[data-theme="dark"] .previous-course{background:#651526}[data-theme="dark"] .empty-state-mark{color:white;background:#78192a}[data-theme="dark"] .previous-course .text-link{color:white}[data-theme="dark"] .course-hero{border:1px solid #2b2e2d}[data-theme="dark"] .person-card img{filter:grayscale(15%) brightness(0.88)}@media (max-width: 900px){.header-inner{align-items:flex-start;flex-direction:column;gap:0.8rem}.header-actions{width:100%}.site-nav{flex:1 1 auto;width:100%;overflow-x:auto;padding-bottom:0.35rem}.menu{width:max-content}.course-hero{grid-template-columns:1fr}.sequence-motif{position:absolute;right:-110px;bottom:-20px;width:520px;margin-right:0;opacity:0.3}.hero-copy{max-width:700px}.fact-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}.lecture-unit{grid-template-columns:1fr;gap:1rem}.unit-heading{position:static}}@media (max-width: 650px){body{font-size:16px}.wrapper{width:calc(100% - 28px)}.brand-copy small{display:none}.department-mark{width:210px}.header-actions{gap:0.45rem}.site-nav{overflow:visible}.menu{display:grid;width:100%;grid-template-columns:repeat(4, max-content);justify-content:space-between}.page-link{padding:0.42rem 0.3rem;font-size:0.7rem}.theme-toggle{flex:0 0 38px;justify-content:center;width:38px;min-height:36px;padding:0}.theme-toggle-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.course-hero{min-height:500px;padding:2rem 1.5rem;border-radius:16px}.course-hero h1{font-size:clamp(2.15rem, 10vw, 2.8rem)}.sequence-motif{right:-140px;bottom:-55px;opacity:0.18}.fact-grid,.people-grid,.two-column{grid-template-columns:1fr}.fact-card{min-height:120px}.fact-card dt{margin-bottom:1rem}.previous-course,.footer-inner{align-items:flex-start;flex-direction:column}.lecture-card{grid-template-columns:48px minmax(0, 1fr)}.lecture-number{width:42px;height:42px}.lecture-resources{grid-column:2;text-align:left}.empty-state{grid-template-columns:1fr}.empty-state-mark{width:78px;height:78px}.updates-list li{grid-template-columns:1fr;gap:0.25rem}}