:root { color-scheme: light; --paper: #fffefb; --ink: #202020; --muted: #646464; --line: #e8e8e8; --red: #b91c1c; --lime: #e2f0bd; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 system-ui, sans-serif; }
main { max-width: 1120px; margin: auto; padding: 32px clamp(20px, 5vw, 64px); }
header { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 750; letter-spacing: -.04em; font-size: 21px; }
h1 { margin: 0; color: var(--red); font-size: 12px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.sample { margin: 24px 0; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; background: #f9f9f9; color: var(--muted); font-size: 13px; }
#deck { border: 1px solid var(--line); border-radius: 18px; background: white; }
article { min-height: 530px; padding: clamp(28px, 5vw, 60px); }
[hidden] { display: none; }
.eyebrow { margin: 0 0 28px; color: var(--red); font-size: 12px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
h2 { margin: 0; font-size: clamp(34px, 4.5vw, 54px); line-height: 1.12; letter-spacing: -.05em; }
.lede { max-width: 570px; margin: 24px 0 36px; color: var(--muted); font-size: 18px; }
.brief-details { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
h3 { margin: 0 0 8px; font-size: 15px; }
.brief-details p { margin: 0; color: var(--muted); font-size: 14px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0 24px; }
.metrics div { display: grid; gap: 10px; padding: 22px; border-radius: 12px; background: var(--lime); }
.metrics strong { font-size: 40px; line-height: 1.1; letter-spacing: -.05em; }
.metrics span { font-size: 13px; }
.finding { max-width: 660px; font-size: 16px; }
.note { color: var(--muted); font-size: 13px; }
.timeline { list-style: none; margin: 32px 0 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 84px 1fr; gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.timeline span { color: var(--red); font-size: 13px; font-weight: 650; }
.timeline h3 { margin: 0; }
.timeline p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.controls { display: grid; grid-template-columns: 120px 1fr 120px; align-items: center; gap: 16px; margin-top: 24px; }
button { min-height: 44px; padding: 10px 20px; border: 1px solid var(--red); border-radius: 8px; background: var(--red); color: white; font: 600 14px system-ui, sans-serif; cursor: pointer; }
button:disabled { border-color: var(--line); background: #f0f0f0; color: var(--muted); cursor: default; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
#slide-status { text-align: center; font-size: 14px; font-variant-numeric: tabular-nums; }
.hint { margin: 20px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
@media (max-width: 680px) { header { align-items: start; } h1 { max-width: 100px; text-align: right; font-size: 10px; } article { min-height: 570px; } .brief-details { grid-template-columns: 1fr; gap: 24px; } .metrics { gap: 8px; } .metrics div { padding: 16px 10px; } .metrics strong { font-size: 29px; } .metrics span { font-size: 11px; } .timeline li { grid-template-columns: 58px 1fr; gap: 12px; } .controls { grid-template-columns: 104px 1fr 104px; gap: 8px; } button { padding-inline: 12px; } }