:root { color-scheme: light; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #18181b; background: #f4f4f5; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: #245bc4; text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid #2563eb; outline-offset: 5px; border-radius: 4px; }
.site-header, main, .site-footer { width: min(1080px, calc(100% - 40px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 750; color: inherit; text-decoration: none; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 22px; border-radius: 999px; background: #2867e7; color: white; font-size: 14px; font-weight: 650; text-decoration: none; }
.button:hover { background: #1d55c8; }
.intro { padding-top: 38px; }
.eyebrow { color: #515e70; font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin: 14px 0 20px; font-size: clamp(36px, 6vw, 58px); line-height: 1.08; letter-spacing: -.045em; }
.lead { max-width: 800px; margin-bottom: 30px; color: #4b5563; font-size: clamp(17px, 2.4vw, 21px); line-height: 1.65; }
.hero { display: block; width: 100%; height: auto; border-radius: 18px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-block: 28px 58px; }
.features article { padding: 24px; border-radius: 18px; background: white; }
h2 { font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
.features h2 { margin-top: 0; font-size: 19px; }
p, li { line-height: 1.7; }
.features p { margin-bottom: 0; color: #4b5563; font-size: 15px; }
.reading { max-width: 740px; margin-inline: auto; }
.reading h2 { margin-top: 36px; }
.reading p, .reading li { color: #4b5563; }
ol { padding-left: 24px; }
li { padding-left: 5px; margin-bottom: 12px; }
.play-link { margin-block: 32px 56px; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid #d9dde3; padding-block: 24px 36px; color: #626b79; font-size: 13px; }
.site-footer a { color: inherit; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 10; padding: 12px; background: white; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.not-found { max-width: 680px; padding-block: 12vh; }
@media (max-width: 700px) { .site-header, main, .site-footer { width: calc(100% - 32px); } .intro { padding-top: 20px; } .features { grid-template-columns: 1fr; margin-bottom: 36px; } .site-header .button { padding-inline: 17px; } }