@font-face{font-family:"DM Sans";src:url("../fonts/dm-sans.woff2") format("woff2");font-display:swap;font-weight:100 1000}
@font-face{font-family:"Source Serif 4";src:url("../fonts/source-serif-4.woff2") format("woff2");font-display:swap;font-weight:200 900}
:root{
 --primary:#193F35;--paper:#F7F8F4;--surface:#FCFDF9;--ink:#20332D;--muted:#52635A;--sage:#E8EEE7;--ochre:#E2BE67;--error:#A1322D;--focus:#2B6B55;
 --line:#D9E1D8;--font-body:"DM Sans",Arial,sans-serif;--font-heading:"Source Serif 4",Georgia,serif;
 --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;
 --radius:8px;--ease-out:cubic-bezier(.23,1,.32,1);--duration-fast:120ms
}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}button,input,textarea,select{font:inherit}a{color:var(--primary);text-underline-offset:4px}button,a,input,textarea,select,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--font-heading);font-weight:500;line-height:1.12;letter-spacing:-.025em}h1{font-size:clamp(36px,4.3vw,60px);margin-bottom:20px}h2{font-size:clamp(28px,3vw,38px);margin-bottom:16px}h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:12px}p{margin-bottom:20px}small{font-size:13px;line-height:1.5}
.wrap{width:min(1280px,calc(100% - 96px));margin-inline:auto}.narrow{max-width:780px;padding-block:56px 80px}main{min-height:65vh}main:focus{outline:0}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px;padding:16px max(24px,calc((100vw - 1280px)/2));border-bottom:1px solid var(--line);background:var(--surface)}
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-size:27px;font-weight:700;letter-spacing:-1.4px;line-height:1.2;white-space:nowrap}.brand-dot{margin-left:-9px}.header-nav{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:flex-end;font-size:14px;font-weight:500}.header-nav>a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.header-nav form{margin:0}.account-label{color:var(--muted);padding-left:20px;border-left:1px solid var(--line)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;background:var(--primary);border:1px solid var(--primary);border-radius:var(--radius);color:var(--surface);text-decoration:none;min-height:48px;padding:11px 22px;font-size:15px;font-weight:600;line-height:1.5;text-align:center}
.button.secondary{background:transparent;color:var(--primary);border-color:var(--line)}.button.light{background:var(--surface);color:var(--primary);border-color:var(--surface)}.button.small{min-height:44px;padding:9px 16px;font-size:14px}.button.full{width:100%}
.text-button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:8px 4px;color:var(--primary);font-size:14px;font-weight:600;text-decoration:none;border:0;background:none;line-height:1.4}.text-button.danger{color:var(--error)}
.button-group,.inline-forms,.form-actions,.hero-actions,.course-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.form-actions{margin-top:24px}.inline-forms form{margin:0}.back-link{display:inline-flex;min-height:44px;align-items:center;text-decoration:none;font-size:14px;font-weight:500;margin-bottom:20px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:16px;line-height:1.6}.lead{font-size:19px;color:var(--muted);line-height:1.65}.muted,.help-text,.breadcrumb{color:var(--muted)}.tag{display:inline-flex;background:var(--sage);color:var(--primary);padding:5px 10px;border-radius:5px;line-height:1.45;font-size:12px;font-weight:600}
.round-symbol{font-size:64px;line-height:1;color:var(--primary);font-weight:400}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:52px 0 32px}.page-heading h1{margin-bottom:12px}.page-heading p:last-child{margin-bottom:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:36px 0 24px}.section-heading h2{margin-bottom:8px}.section-heading p{margin-bottom:0}.spaced{margin-top:40px}
.site-footer{border-top:1px solid var(--line);margin-top:80px;padding:36px max(24px,calc((100vw - 1280px)/2));display:flex;align-items:center;gap:28px;font-size:13px;color:var(--muted)}.site-footer p{margin:0}.site-footer>span{margin-left:auto}.footer-brand{font-size:23px}
.skip-link{position:fixed;z-index:100;top:8px;left:8px;background:var(--surface);padding:12px 24px;transform:translateY(-150%);border:2px solid var(--focus)}.skip-link:focus{transform:translateY(0)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.messages{padding-top:20px}.notice{padding:16px 20px;border:1px solid var(--line);background:var(--sage);border-radius:var(--radius);margin-bottom:16px}.notice.error{color:var(--error);border-color:var(--error);background:var(--surface)}.notice.warning{background:var(--ochre)}.notice ul{margin:0;padding-left:20px}.empty-state{padding:48px 32px;background:var(--sage);border-radius:var(--radius);margin:24px 0}.empty-state p:last-child{margin-bottom:0}.empty-line{padding:20px;color:var(--muted);margin:0}
.landing-hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;gap:36px;padding-block:76px 60px}.landing-hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1.05;margin-bottom:28px}.landing-hero h1 em{font-weight:400;color:var(--primary)}.hero-copy .lead{max-width:560px;margin-bottom:28px}.hero-note{font-size:13px;color:var(--muted);margin:24px 0 0}.hero-art{position:relative;text-align:center}.hero-art img{width:100%;height:auto}.art-caption{display:inline-block;font-family:var(--font-heading);font-size:18px;font-style:italic;color:var(--muted);margin-top:8px}.tiny-dot{display:inline-block;background:var(--primary);width:7px;height:7px;border-radius:50%;margin-right:7px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:28px}.feature-strip>div{padding:4px 28px;border-right:1px solid var(--line)}.feature-strip>div:first-child{padding-left:0}.feature-strip>div:last-child{border-right:0}.feature-number{font-family:var(--font-heading);font-size:22px;color:var(--muted)}.feature-strip h2{font:600 18px/1.4 var(--font-body);letter-spacing:0;margin-top:10px;margin-bottom:6px}.feature-strip p{font-size:14px;color:var(--muted);margin:0;max-width:290px}
.landing-courses{padding-block:36px 56px}.public-course-row{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:32px;padding:28px 0}.public-course-row h3{font-family:var(--font-heading);font-size:30px;font-weight:500;margin:12px 0}.public-course-row p{max-width:720px;margin:0;color:var(--muted)}
.invitation-band{background:var(--primary);color:var(--surface);border-radius:12px;padding:40px;display:flex;align-items:center;gap:32px;justify-content:space-between}.invitation-band h2{font-size:34px;margin-bottom:8px}.invitation-band p{margin:0;max-width:700px;color:var(--surface)}.invitation-band .round-symbol{color:var(--ochre)}.invitation-band .button{flex-shrink:0}.editorial-section{padding-block:40px;border-top:1px solid var(--line)}.editorial-section .prose{max-width:850px}.preview-banner{padding:14px 24px;background:var(--ochre);display:flex;gap:20px;justify-content:center;font-size:14px;font-weight:600}
.course-list{margin-block:8px 40px}.course-row{display:grid;grid-template-columns:290px 1fr;gap:40px;border-block:1px solid var(--line);padding-block:32px;align-items:center}.course-art{background:var(--sage);border-radius:var(--radius);padding:12px}.course-art img{width:100%;height:210px;object-fit:contain}.course-summary p{max-width:750px;color:var(--muted)}
.course-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:26px 24px}.course-heading h1{font-size:38px;margin-bottom:0}.course-heading .eyebrow{margin-bottom:8px}.course-heading .back-link{margin-bottom:8px}.course-tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);overflow:auto}.course-tabs a{display:inline-flex;align-items:center;min-height:54px;flex-shrink:0;padding:10px 4px;color:var(--muted);font-size:14px;text-decoration:none;font-weight:600;border-bottom:3px solid transparent}.course-tabs a[aria-current]{color:var(--primary);border-color:var(--primary)}
.learning-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:42px;padding-block:28px}.course-index{border-right:1px solid var(--line);padding-right:24px;font-size:14px}.index-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}.index-heading h2{font:600 15px/1.4 var(--font-body);letter-spacing:0;margin:0}.search-form{display:flex;position:relative;margin-bottom:20px}.search-form input{width:100%;padding:10px 40px 10px 12px;font-size:13px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-height:44px}.search-form button{position:absolute;right:0;top:0;border:0;min-width:44px;min-height:44px;background:none;color:var(--muted);font-size:24px}
.module{padding:14px 0;border-top:1px solid var(--line)}.module summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;min-height:44px}.module summary:after{content:"−";margin-left:auto;color:var(--muted)}.module:not([open]) summary:after{content:"+"}.module-number{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.section{padding-top:14px}.section h3{font-size:12px;color:var(--muted);padding-left:10px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.08em}.lesson-link{display:flex;align-items:center;gap:10px;min-height:48px;padding:10px;border-radius:var(--radius);color:var(--muted);text-decoration:none;line-height:1.5;font-size:13px}.lesson-link.selected{background:var(--sage);color:var(--primary);font-weight:600}.lesson-link small{display:block;color:var(--muted);font-size:12px}.lesson-icon{font-size:17px}
.lesson-content{min-width:0;padding:0 0 32px}.lesson-content h2{font-size:34px;margin-bottom:24px}.breadcrumb{font-size:12px;margin-bottom:18px}.breadcrumb span{margin-inline:8px}.lesson-content .eyebrow{margin-bottom:10px}.video-shell{overflow:hidden;border-radius:var(--radius);background:var(--primary);margin-bottom:28px;aspect-ratio:16/9}.video-shell video{width:100%;height:100%;object-fit:contain}.lesson-description{font-size:15px}.prose{max-width:76ch;overflow-wrap:anywhere}.prose p:last-child{margin-bottom:0}.materials-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:28px;margin-bottom:14px}.materials-heading h3{margin:0;font-size:16px}.materials-heading span{font-size:12px}
.resource-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.resource-row{display:flex;align-items:center;gap:14px;min-height:78px;padding:14px 20px;text-decoration:none;border-bottom:1px solid var(--line);font-size:14px}.resource-row:last-child{border-bottom:0}.file-icon{width:42px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--sage);border-radius:4px;font-size:10px;font-weight:700}.file-title{font-weight:500;overflow-wrap:anywhere;min-width:0}.file-title small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:2px}.file-action{margin-left:auto;font-size:12px;font-weight:600;flex-shrink:0}.pdf-preview{margin-top:24px}.pdf-preview summary{min-height:44px;cursor:pointer;padding-block:10px;font-weight:500}.pdf-preview iframe{width:100%;height:580px;border:1px solid var(--line);border-radius:var(--radius)}.pdf-preview>a{display:inline-flex;min-height:44px;align-items:center;font-size:14px}
.form-panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:32px}.form-panel.compact{max-width:680px}.form-field{margin-bottom:22px}.form-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.form-field input:not([type=checkbox]),.form-field textarea,.form-field select{display:block;width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);color:var(--ink);font-size:16px}.form-field textarea{min-height:130px;resize:vertical}.form-field input[type=checkbox]{width:20px;height:20px;accent-color:var(--primary)}.form-field:has(input[type=checkbox]){display:flex;align-items:center;gap:14px;min-height:44px}.form-field:has(input[type=checkbox]) label{margin:0}.form-field input[type=file]{padding:10px}.form-field input[type=file]::file-selector-button{border:0;border-radius:4px;background:var(--sage);color:var(--primary);padding:8px 12px;font:inherit;margin-right:12px}.has-error input{border-color:var(--error)!important}.help-text{font-size:12px;line-height:1.6;margin-top:6px}.help-text ul{padding-left:18px;margin:0}.field-error{color:var(--error);font-size:13px}.field-error ul{padding-left:18px;margin:8px 0 0}
.auth-layout{display:grid;grid-template-columns:1fr 440px;gap:80px;align-items:center;max-width:1100px;padding-block:80px}.auth-intro h1{font-size:66px}.auth-note{display:flex;align-items:center;gap:20px;margin-top:44px;border-top:1px solid var(--line);padding-top:28px}.auth-note>span{font-size:40px;color:var(--primary)}.auth-note p{margin:0;font-size:13px;color:var(--muted)}.auth-form h2{font-size:32px;margin-bottom:28px}.forgot-link{display:inline-flex;min-height:44px;align-items:center;font-size:13px;margin-top:16px}.import-instructions{display:flex;gap:32px;align-items:center;justify-content:space-between;background:var(--sage);padding:24px;margin-bottom:28px;border-radius:var(--radius)}.import-instructions h2{font:600 18px/1.5 var(--font-body);letter-spacing:0}.import-instructions p{font-size:14px;max-width:760px;margin-bottom:0}
.table-scroll{width:100%;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th{font-size:12px;text-transform:uppercase;letter-spacing:.07em;background:var(--sage);color:var(--muted);font-weight:600;padding:14px 20px;white-space:nowrap}td{padding:14px 20px;border-top:1px solid var(--line);overflow-wrap:anywhere}td small{display:block;color:var(--muted);font-size:12px}td .button-group{gap:16px}.management-tools{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin:0 0 24px;font-size:14px}.management-tools>a{min-height:44px;display:inline-flex;align-items:center}.manage-module{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin-bottom:24px;overflow:hidden}.manage-module-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--sage);padding:14px 24px}.manage-module-heading h3{display:flex;align-items:center;gap:16px;font-size:17px;margin:0}.manage-section{padding:20px 24px}.section-label{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}.manage-lesson{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding:10px 0;font-size:14px}.manage-lesson .tag{margin-left:auto}.note-block,.publication-panel{border-top:1px solid var(--line);padding-top:28px;margin-top:36px}.note-block h2,.publication-panel h2{font-size:28px}
@media(hover:hover) and (pointer:fine){.button{transition:transform var(--duration-fast) var(--ease-out)}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(1px)}.text-button:hover,.header-nav>a:not(.button):hover,.back-link:hover{text-decoration:underline}.lesson-link:hover{background:var(--sage)}.resource-row:hover{background:var(--sage)}}
@media(prefers-reduced-motion:reduce){.button{transition:opacity var(--duration-fast) var(--ease-out)}.button:hover,.button:active{transform:none;opacity:.92}}
@media(min-width:1600px){.landing-hero{padding-top:96px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.header-nav{gap:16px}.account-label{display:none}.site-header{padding-inline:24px}.landing-hero{gap:20px}.learning-layout{grid-template-columns:250px minmax(0,1fr);gap:24px}.course-index{padding-right:16px}.auth-layout{grid-template-columns:1fr 400px;gap:40px}.auth-intro h1{font-size:54px}.invitation-band{padding:32px;gap:24px}.invitation-band .round-symbol{display:none}}
@media(max-width:767px){.wrap{width:calc(100% - 32px)}.site-header{padding:12px 16px;min-height:76px;gap:12px;flex-wrap:wrap}.brand{font-size:24px}.brand img{width:28px;height:28px}.header-nav{gap:12px;font-size:12px}.header-nav>a{font-size:12px}.header-nav .button{font-size:12px;padding:8px 10px;gap:8px}.header-nav .text-button{font-size:12px}.site-header:has(.header-nav form) .header-nav{width:100%;justify-content:flex-start}.narrow{padding-block:32px 48px}.page-heading{padding-block:32px 20px;align-items:flex-start;flex-wrap:wrap}.page-heading .round-symbol{display:none}.section-heading{align-items:flex-start;flex-wrap:wrap;gap:14px}.lead{font-size:17px}.site-footer{margin-top:48px;padding:28px 16px;flex-wrap:wrap;gap:14px}.site-footer p{width:100%}.site-footer>span{margin:0}.landing-hero{grid-template-columns:1fr;padding-block:40px 28px;gap:20px}.landing-hero h1{font-size:48px}.hero-art{max-width:450px;width:100%;margin-inline:auto}.hero-note{font-size:12px}.hero-actions{gap:12px}.hero-actions .button{font-size:14px}.feature-strip{grid-template-columns:1fr;padding-block:12px}.feature-strip>div{padding:20px 0;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:40px 1fr;gap:0 12px}.feature-strip>div:last-child{border-bottom:0}.feature-number{grid-row:span 2}.feature-strip h2{margin-top:0}.feature-strip p{max-width:100%}.landing-courses{padding-block:16px 32px}.public-course-row{flex-direction:column;align-items:flex-start;gap:20px}.invitation-band{padding:28px;flex-direction:column;align-items:flex-start;gap:20px}.invitation-band h2{font-size:30px}.editorial-section{padding-block:28px}.preview-banner{flex-wrap:wrap;gap:4px;text-align:center}.course-row{grid-template-columns:1fr;gap:24px}.course-art{max-width:340px}.course-heading{padding-block:20px;flex-wrap:wrap;gap:16px}.course-heading h1{font-size:30px}.course-tabs{gap:24px}.learning-layout{grid-template-columns:1fr;gap:24px;padding-top:20px}.course-index{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--surface)}.module{padding:8px 0}.lesson-content h2{font-size:30px}.breadcrumb{font-size:12px}.resource-row{padding:12px;gap:10px}.file-action{font-size:12px}.file-title small{font-size:12px}.materials-heading{flex-wrap:wrap}.pdf-preview iframe{height:450px}.form-panel{padding:24px}.auth-layout{grid-template-columns:1fr;gap:28px;padding-block:36px}.auth-intro h1{font-size:48px}.auth-note{margin-top:24px;padding-top:20px}.auth-form{width:100%}.import-instructions{flex-direction:column;align-items:flex-start;gap:16px;padding:20px}.table-scroll table,.table-scroll tbody,.table-scroll tr,.table-scroll td{display:block}.table-scroll thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.table-scroll tr{padding:14px 16px;border-top:1px solid var(--line)}.table-scroll tbody tr:first-child{border-top:0}.table-scroll td{border:0;padding:6px 0;font-size:14px}.table-scroll td[data-label]:before{content:attr(data-label) " · ";font-size:12px;font-weight:600;color:var(--muted);margin-right:8px}.table-scroll td .button-group{display:inline-flex}.management-tools{gap:8px 18px}.manage-module-heading{padding:14px 16px}.manage-module-heading h3{font-size:15px;gap:10px}.manage-section{padding:16px}.manage-lesson{flex-wrap:wrap;gap:8px 12px}.manage-lesson>span:nth-child(2){flex:1;min-width:150px}.manage-lesson .tag{margin-left:0}.section-label{font-size:13px}.table-scroll .text-button{min-height:44px}.form-actions .button{width:100%}}
@media(max-width:380px){.landing-hero h1{font-size:42px}.header-nav{gap:8px}.resource-row{flex-wrap:wrap}.file-action{margin-left:52px}.hero-actions{flex-direction:column;align-items:flex-start}}
.mobile-index-summary{display:none}h1,h2,h3{text-wrap:balance;overflow-wrap:anywhere}button,a,summary{touch-action:manipulation}.form-field input:not([type=checkbox]),.form-field textarea,.form-field select,.search-form input{border-color:var(--muted)}.form-field:has(input[type=checkbox]) label{padding-block:12px}.table-scroll tbody tr{content-visibility:auto;contain-intrinsic-size:auto 80px}@media(max-width:767px){.mobile-index-summary{display:flex;min-height:44px;align-items:center;justify-content:space-between;list-style:none;font-weight:600}.index-body{padding-top:16px}.index-body .index-heading{display:none}.course-tabs a{min-height:54px}}
.brand{min-height:44px}.account-label{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.file-icon{font-size:12px}.table-scroll td>a{display:inline-flex;align-items:center;min-height:44px}.button:active{transition-duration:80ms}

.video-shell iframe{width:100%;height:100%;border:0}.video-shell.drive-video{margin-bottom:12px}.drive-note{font-size:13px;margin-bottom:12px}.drive-email{margin-bottom:28px;font-size:14px}.drive-email summary{cursor:pointer;min-height:44px;display:flex;align-items:center}.drive-email form{display:grid;gap:8px;max-width:420px}.drive-email input{min-height:44px;padding:0 12px}