@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Archivo;src:url(/assets/fonts/archivo-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url(/assets/fonts/source-serif-4-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
:root{--paper:#f5f2ec;--surface:#fff;--ink:#101a1b;--muted:#4b5c5c;--line:#dcd6ca;--petrol:#0e4a50;--petrol-dark:#092f33;--amber:#b5780a;--radius:3px;--display:Archivo,Arial,sans-serif;--body:"Source Serif 4",Georgia,serif;--shadow:0 14px 34px -24px rgba(16,26,27,.36)}
*{box-sizing:border-box}html{background:var(--paper);color:var(--ink)}body{margin:0;font-family:var(--body);font-size:18px;line-height:1.55}button,input{font:inherit}a{color:inherit}button,a{touch-action:manipulation}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.wrap{width:min(1180px,calc(100% - 56px));margin-inline:auto}h1,h2{font-family:var(--display);line-height:1.06;letter-spacing:-.03em;margin:0}.site-header{height:88px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{height:100%;width:min(1380px,calc(100% - 64px));margin:auto;display:flex;align-items:center}.brand img{width:auto;height:58px;display:block}.site-header nav{margin-left:auto;display:flex;align-items:center;gap:42px;font:600 15px/1 var(--display)}.site-header nav a,.text-button{text-decoration:none;border:0;background:none;padding:12px 0;cursor:pointer;color:var(--ink)}.site-header nav .active{color:var(--petrol);border-bottom:2px solid var(--petrol)}.dashboard{padding:64px 0 72px}.dashboard h1{font-size:clamp(3rem,7vw,5rem)}.intro{font-size:1.35rem;margin:18px 0 42px}.course-list{display:grid;gap:16px}.course-row{display:grid;grid-template-columns:360px 1fr 250px;gap:38px;align-items:center;background:var(--surface);border:1px solid var(--line);padding:18px;box-shadow:var(--shadow)}.course-image{width:100%;height:180px;object-fit:cover}.course-copy h2{font-size:1.65rem}.course-copy p{margin:16px 0 10px}.progress{height:7px;background:#e7e2d9;max-width:440px}.progress span{display:block;height:100%;background:var(--petrol)}.access{margin-top:22px;color:var(--petrol);display:flex;gap:10px;align-items:center}.button{min-height:50px;padding:13px 24px;border:1.5px solid var(--petrol);background:var(--petrol);color:#fff;text-decoration:none;font:600 15px/1.2 var(--display);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.button:hover{background:var(--petrol-dark)}.course-action{width:100%}.site-footer{border-top:1px solid var(--line);padding:28px 0}.footer-links{display:flex;gap:0}.footer-links a{text-decoration:none;padding:0 28px;border-right:1px solid var(--line)}.footer-links a:first-child{padding-left:0}.footer-links a:last-child{border-right:0}.login-page{min-height:100vh;display:grid;place-items:center}.login-shell{width:min(520px,calc(100% - 40px))}.login-logo{width:300px;max-width:80%;margin:0 auto 32px}.login-panel{background:#fff;border:1px solid var(--line);padding:40px;box-shadow:var(--shadow)}.login-panel h1{font-size:2.2rem}.login-panel>p{color:var(--muted);margin:14px 0 24px}.login-form{display:grid;gap:10px}.login-form label{font:600 14px var(--display)}.login-form input{height:52px;border:1px solid var(--line);padding:0 14px;background:#fff}.form-message{min-height:28px;margin:0;color:var(--petrol)}.staging-note{font-size:.82rem!important;margin-bottom:0!important}.course-header{height:78px;padding:0 32px;background:#071517;display:flex;align-items:center;justify-content:space-between}.brand-light img{height:46px}.text-button.light{color:#fff}.course-breadcrumb{height:58px;display:flex;align-items:center;gap:44px;padding:0 32px;background:#fff;border-bottom:1px solid var(--line);font:500 14px var(--display)}.course-breadcrumb a{color:var(--petrol);font-weight:600;text-decoration:none}.course-shell{min-height:calc(100vh - 136px);display:grid;grid-template-columns:330px 1fr}.lesson-rail{border-right:1px solid var(--line);background:#faf8f4;display:flex;flex-direction:column}.lesson-rail h2{font-size:1.5rem;padding:32px}.lesson-rail nav{border-top:1px solid var(--line)}.lesson-rail nav a{display:flex;align-items:center;gap:16px;min-height:72px;padding:10px 28px;border-bottom:1px solid var(--line);text-decoration:none;font:500 15px var(--display)}.lesson-rail nav a.current{background:#fff;border-left:6px solid var(--petrol);padding-left:22px;font-weight:700}.lesson-number{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#5b6d6d;color:#fff;font-size:13px}.current .lesson-number{background:var(--petrol)}.help-link{margin-top:auto;padding:24px 28px;border-top:1px solid var(--line);font:600 14px var(--display);text-decoration:none}.lesson-main{padding:34px 40px 48px;max-width:1120px;width:100%}.lesson-main h1{font-size:2.4rem;margin-bottom:24px}.video-frame{background:#111;border:1px solid #111;position:relative}.video-frame>img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.player-bar{height:52px;background:#172021;color:#fff;display:flex;align-items:center;gap:16px;padding:0 16px;font:500 13px var(--display)}.player-bar button{color:#fff;background:none;border:0;font-size:18px;cursor:pointer}.player-progress{height:5px;background:#596263;flex:1}.player-progress span{display:block;width:0;height:100%;background:#fff}.lesson-description{font-size:1.18rem;margin:24px 0}.media-tabs{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.media-tabs button{min-width:130px;border:0;background:none;padding:18px;font:600 15px var(--display);cursor:pointer;border-bottom:3px solid transparent}.media-tabs button.active{color:var(--petrol);border-bottom-color:var(--petrol)}.tab-panel{min-height:90px;padding:0 18px;border-bottom:1px solid var(--line);display:flex;align-items:center}.material-row{width:100%;display:flex;justify-content:space-between;align-items:center;font:500 16px var(--display)}.download-button{border:0;background:none;color:var(--petrol);font:600 14px var(--display);cursor:pointer}.lesson-actions{display:flex;justify-content:space-between;gap:16px;margin-top:28px}.button.amber{background:var(--amber);border-color:var(--amber);color:#fff}.button.outline{background:transparent;color:var(--petrol)}
.access{gap:12px}.access-icon{width:16px;height:14px;border:1.5px solid currentColor;display:inline-block;position:relative;border-radius:2px}.access-icon::before{content:"";position:absolute;width:8px;height:7px;border:1.5px solid currentColor;border-bottom:0;border-radius:7px 7px 0 0;left:2.5px;top:-8px}.lesson-number{flex:0 0 auto}.lesson-main{min-width:0}
@media(max-width:900px){.site-header nav{gap:20px}.course-row{grid-template-columns:230px 1fr}.course-action{grid-column:2;width:max-content}.course-shell{grid-template-columns:minmax(0,1fr);min-width:0}.lesson-rail{border-right:0;min-width:0;max-width:100vw}.lesson-rail h2{padding:24px}.lesson-rail nav{display:flex;overflow-x:auto;max-width:100%;min-width:0}.lesson-rail nav a{min-width:180px;flex:0 0 180px;border-right:1px solid var(--line)}.help-link{display:none}.lesson-main{padding:28px;min-width:0}.course-breadcrumb span{display:none}}
@media(max-width:640px){body{font-size:16px}.wrap{width:min(100% - 36px,1180px)}.site-header{height:72px}.header-inner{width:calc(100% - 36px)}.brand img{height:44px}.site-header nav a{display:none}.dashboard{padding-top:40px}.dashboard h1{font-size:3rem}.intro{font-size:1.1rem}.course-row{grid-template-columns:1fr;gap:20px;padding:14px}.course-image{height:170px}.course-action{grid-column:1;width:100%}.footer-links{flex-wrap:wrap;gap:12px}.footer-links a{border:0;padding:0 14px 0 0}.course-header{padding:0 18px}.course-breadcrumb{padding:0 18px}.lesson-main{padding:24px 18px}.lesson-main h1{font-size:2rem}.player-bar{height:46px}.lesson-actions{flex-direction:column}.button{width:100%}.media-tabs button{min-width:0;flex:1;padding:15px 8px;font-size:13px}.login-panel{padding:28px 22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}