@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url('assets/fonts/geist-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url('assets/fonts/geist-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:100 900;font-display:swap;src:url('assets/fonts/geist-mono-latin.woff2') format('woff2')}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:100 900;font-display:swap;src:url('assets/fonts/geist-mono-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1EFF}
:root{--ink:#15171a;--ink-soft:#59626c;--canvas:#f6f8fb;--paper:#fff;--blue:#0066cc;--blue-hover:#0071e3;--ice:#eaf4ff;--line:rgba(21,23,26,.11);--brand-name:#111317;--brand-domain:#005ac6;--header-bg:rgba(251,252,254,.88);--hero-bg:#fbfcfe;--hero-lead:#535c65}
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.site-footer{border-top:1px solid var(--line);background:#f2f6fa;padding:45px max(28px,4%);font-size:11px;color:var(--ink-soft);line-height:1.8}.footer-inner{max-width:1280px;margin:auto;display:grid;grid-template-columns:170px minmax(0,1fr);gap:32px}.site-footer p{margin:0 0 12px}.site-footer .footer-links{display:flex;gap:18px;flex-wrap:wrap}.mobile-course-nav{display:none}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:50;max-width:calc(100vw - 32px);padding:12px 20px;background:#15171a;color:white;border-radius:12px;font-size:13px;box-shadow:0 8px 25px #0002}.toast:empty{display:none}
@media(min-width:1600px){.hero h1{font-size:111px}}
@media(max-width:1000px){.header-nav{gap:21px}.reader-layout{grid-template-columns:235px minmax(0,1fr)}.reader-sidebar{padding-left:17px;padding-right:13px}.reader-body{padding:30px 27px 65px}.reader-paper{font-size:16px}.reader-paper h1{font-size:36px}.hero{padding-top:69px}.hero h1{font-size:76px}.section-heading{align-items:start}}
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@media(max-width:430px){.hero h1{font-size:47px}.hero .actions{flex-direction:column;gap:20px}.brand-media img{height:230px}.week-row{grid-template-columns:30px minmax(0,1fr)}.week-row .row-link{display:none}.course-facts{gap:12px 23px}.reader-paper h1{font-size:32px}.reader-resource-links{gap:12px;font-size:11px}.reader-tools{justify-content:space-between}.read-toggle{font-size:11px;padding:6px 10px}.section-heading h2{font-size:36px}}
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@media(max-width:1100px){.start-guide{padding-left:28px;padding-right:28px}.hero h1{font-size:80px}}
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