.top-nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:24px}.top-nav-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#00213a}.top-nav-toggle{display:none;background:transparent;border:0;padding:8px;cursor:pointer;flex-direction:column;gap:5px}.top-nav-toggle span{display:block;width:22px;height:2px;background:#00213a}.top-nav-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.top-nav-link{text-decoration:none;color:#3a4956;font-size:11px}.top-nav-link:hover,.top-nav-link[data-active]{color:#2a828c}.top-nav-auth{margin-left:8px;display:inline-flex;align-items:center;gap:16px}@media(max-width:900px){.top-nav-toggle{display:inline-flex}.top-nav-links{display:none;position:fixed;inset:60px 0 0;background:#fff;flex-direction:column;align-items:stretch;padding:24px;gap:20px;overflow-y:auto;z-index:40}.top-nav-links.is-open{display:flex}.top-nav-link{font-size:14px;padding:6px 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utilities{.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.block{display:block}.contents{display:contents}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.h-10{height:calc(var(--spacing) * 10)}.w-\[440px\]{width:440px}.w-auto{width:auto}.w-full{width:100%}.max-w-full{max-width:100%}.shrink{flex-shrink:1}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.items-center{align-items:center}.justify-center{justify-content:center}.overflow-hidden{overflow:hidden}.\!rounded-none{border-radius:0!important}.rounded-2xl{border-radius:var(--radius-2xl)}.\!border-0{border-style:var(--tw-border-style)!important;border-width:0px!important}.border{border-style:var(--tw-border-style);border-width:1px}.border-\[\#FC486B\]\/30{border-color:color-mix(in oklab,#FC486B 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.1));box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease, var(--default-transition-timing-function));transition-duration:var(--tw-duration, var(--default-transition-duration))}@media(hover:hover){.hover\:bg-\[\#1f6770\]:hover{background-color:#1f6770}}@media(hover:hover){.hover\:bg-\[\#FAF8F4\]:hover{background-color:#faf8f4}}@media(hover:hover){.hover\:text-\[\#00213A\]:hover{color:#00213a}}}:root{--bg: #ffffff;--fg: #00213A;--rule: #e5e1d8;--muted: #5a6a78;--max-w: 920px}@layer base{html,body,#root{height:100%}body{background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:16px;line-height:1.6;font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;color:var(--fg);letter-spacing:.01em}h1{font-size:32px;line-height:1.2;text-transform:uppercase;letter-spacing:.04em}h2{font-size:22px;line-height:1.3}h3{font-size:17px;line-height:1.35;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.cover-page h2{font-size:clamp(26px,4.5vw,32px);line-height:1.25}.cover-page h3{font-size:22px;line-height:1.3;text-transform:none;letter-spacing:normal;color:var(--fg)}p{margin:0 0 1.1em}a{color:var(--fg);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:#2a828c}::selection{background:#00d8c2;color:#00213a}:focus-visible{outline:2px solid #2A828C;outline-offset:3px;border-radius:1px}.btn:focus-visible{outline-offset:4px}}@layer components{.container-book{max-width:var(--max-w);margin:0 auto;padding:0 24px}.pretitle{font-family:var(--font-display);font-weight:600;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#2a828c;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;padding:14px 28px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background-color .12s ease,color .12s ease,border-color .12s ease;border-radius:0}.btn-primary{background:#2a828c;color:#fff}.btn-primary:hover{background:#00213a;color:#fff}.btn-secondary{background:transparent;color:#00213a;border-color:#00213a}.btn-secondary:hover{background:#00213a;color:#fff}.btn-quiet{background:transparent;color:#00213a;padding:10px 0;border:none;font-family:var(--font-display);font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase}.btn-quiet:hover{color:#2a828c}.pullquote{font-family:var(--font-display);font-weight:500;font-size:20px;line-height:1.4;color:#00213a;border-left:2px solid #00D8C2;padding:4px 0 4px 24px;margin:32px 0;font-style:normal}.pullquote .attrib{display:block;margin-top:12px;font-family:var(--font-body);font-size:14px;color:#5a6a78;font-weight:400}.lesson-section h3{margin-top:36px;margin-bottom:12px}.reflection-prompt{border-left:2px solid #F6CE17;padding:4px 0 4px 20px;margin:0 0 20px;font-size:16px;color:#00213a}.progress-rule{height:2px;background:#f0ece2;position:relative;overflow:hidden}.progress-rule>span{display:block;height:100%;background:#2a828c;transition:width .24s ease}.lesson-body{font-size:16px;line-height:1.7}.lesson-body p{margin:0 0 1.2em}.subhead{font-family:var(--font-display);font-weight:600;font-size:16px;margin:28px 0 10px;text-transform:none;letter-spacing:0;color:#00213a}.meta{font-family:var(--font-display);font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#5a6a78}}@media print{@page{size:letter;margin:.75in .75in .9in}body{background:#fff!important;font-size:11pt}.no-print{display:none!important}.page-break{page-break-before:always;break-before:page}.page-break:first-child{page-break-before:auto;break-before:auto}.avoid-break{page-break-inside:avoid;break-inside:avoid}h1,h2,h3{page-break-after:avoid;break-after:avoid}.container-book{max-width:none;padding:0}.write-line{display:block;border-bottom:1px solid #c7c2b6;height:1.2em;margin:0 0 .5em}.pullquote,.reflection-prompt{page-break-inside:avoid;break-inside:avoid}img{max-width:100%!important}}.write-line{display:none}@media(max-width:640px){.container-book{padding:0 16px}}.top-nav-courses{position:relative;display:inline-flex;align-items:center}.top-nav-courses-btn{background:transparent;border:0;padding:0;margin:0;cursor:pointer;font:inherit;color:#3a4956;font-size:11px;display:inline-flex;align-items:center;gap:4px}.top-nav-courses-btn:hover,.top-nav-courses-btn[data-active]{color:#2a828c}.top-nav-courses-menu{display:none;position:absolute;top:100%;left:0;margin-top:8px;background:#fff;border:1px solid #e9e6dd;padding:8px 0;min-width:220px;z-index:40;box-shadow:0 6px 18px #00213a14;flex-direction:column}.top-nav-courses-menu[data-open]{display:flex}.top-nav-courses-menu:before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}.top-nav-courses-item{padding:8px 18px;font-size:12px;white-space:nowrap}@media(max-width:900px){.top-nav-courses{display:block;width:100%}.top-nav-courses-btn{font-size:14px;padding:6px 0;width:100%;justify-content:flex-start}.top-nav-courses-menu{display:flex!important;position:static;margin:4px 0 8px 16px;border:0;box-shadow:none;padding:0;min-width:0}.top-nav-courses-item{padding:6px 0;font-size:13px}}.cycle-grid{grid-template-columns:repeat(4,1fr)}@media(max-width:900px){.cycle-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.cycle-grid{grid-template-columns:1fr}}@property --tw-rotate-x{syntax: "*"; inherits: false;}@property --tw-rotate-y{syntax: "*"; inherits: false;}@property --tw-rotate-z{syntax: "*"; inherits: false;}@property --tw-skew-x{syntax: "*"; inherits: false;}@property --tw-skew-y{syntax: "*"; inherits: false;}@property --tw-border-style{syntax: "*"; inherits: false; initial-value: solid;}@property --tw-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-shadow-color{syntax: "*"; inherits: false;}@property --tw-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-inset-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-inset-shadow-color{syntax: "*"; inherits: false;}@property --tw-inset-shadow-alpha{syntax: "<percentage>"; inherits: false; initial-value: 100%;}@property --tw-ring-color{syntax: "*"; inherits: false;}@property --tw-ring-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-inset-ring-color{syntax: "*"; inherits: false;}@property --tw-inset-ring-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-ring-inset{syntax: "*"; inherits: false;}@property --tw-ring-offset-width{syntax: "<length>"; inherits: false; initial-value: 0px;}@property --tw-ring-offset-color{syntax: "*"; inherits: false; initial-value: #fff;}@property --tw-ring-offset-shadow{syntax: "*"; inherits: false; initial-value: 0 0 #0000;}@property --tw-outline-style{syntax: "*"; inherits: false; initial-value: solid;}@layer properties{@supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x: 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