/* UTRDTR uses SwiftUI system fonts and the app accent, #3894b5. */
:root { color-scheme: dark; --accent: #3894b5; --ink: #f5f5f7; --muted: #b1b1b8; --line: #29292d; font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif; background: #000; color: var(--ink); }
* { box-sizing: border-box; }
body { margin: 0; font-size: 17px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
a:hover { color: #71c6e2; }
a:focus-visible { outline: 3px solid #71c6e2; outline-offset: 6px; }
img { max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 26px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 650; }
.brand img { object-fit: contain; }
nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; color: var(--muted); }
[aria-current="page"] { color: #71c6e2; }
.hero { padding-block: 92px 80px; display: grid; grid-template-columns: 1.5fr 1fr; align-items: center; gap: 60px; }
.app-label { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 14px; }
.app-label img, .download img { border-radius: 20%; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(42px, 5.3vw, 66px); line-height: 1.06; letter-spacing: -.045em; margin-block: 28px; }
h1 span { display: inline-block; margin-left: 30px; }
.lead { font-size: 28px; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; }
.intro { max-width: 540px; color: var(--muted); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-block: 30px 18px; }
.button { display: inline-flex; align-items: center; gap: 32px; background: var(--accent); color: #fff; padding: 12px 22px; border-radius: 999px; font-weight: 650; }
.button:hover { background: #28748d; color: #fff; }
.text-link { color: #71c6e2; font-weight: 600; }
.small { color: var(--muted); font-size: 14px; }
.hero-note { text-align: center; background: #101114; border: 1px solid var(--line); border-radius: 32px; padding: 38px 22px; color: var(--muted); }
.suit { font-size: 120px; line-height: 1; color: var(--accent); }
.river { font-size: 40px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; margin-block: 24px 16px; letter-spacing: -.025em; }
.river span { color: var(--accent); }
.section { padding-block: 66px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.section-heading { max-width: 680px; margin-bottom: 32px; }
.eyebrow { color: #71c6e2; font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 12px; }
h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.15; letter-spacing: -.035em; margin-bottom: 20px; }
h3 { font-size: 20px; line-height: 1.3; letter-spacing: -.02em; margin-bottom: 12px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.features p, .rules p, .section-heading > p:last-child { color: var(--muted); }
.screens { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; max-width: 860px; margin: 38px auto 0; }
figure { margin: 0; }
figure img { display: block; width: 100%; border: 1px solid #34343b; border-radius: 36px; }
figcaption { color: var(--muted); margin-top: 24px; }
figcaption h3 { color: var(--ink); }
.rules { padding-left: 28px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 60px; }
.rules li { padding-left: 12px; }
.rules li::marker { color: #71c6e2; font-weight: 700; }
.scoring { background: #111215; border-radius: 24px; padding: 30px; margin-top: 28px; }
.score-examples { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; color: var(--muted); }
.score-examples strong { display: block; color: var(--ink); font-variant-numeric: tabular-nums; }
.scoring .small { margin-bottom: 0; }
.download { display: flex; gap: 32px; align-items: flex-start; }
footer { border-top: 1px solid var(--line); padding-block: 30px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 14px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 12px; background: #fff; color: #000; }
.skip-link:focus { top: 10px; }
@media (max-width: 780px) { .wrap { width: calc(100% - 40px); } .site-header { align-items: flex-start; flex-direction: column; } nav { gap: 20px; } .hero { grid-template-columns: 1fr; padding-block: 52px; gap: 32px; } .hero-note { padding: 24px; } .suit { font-size: 64px; } .river { margin-top: 12px; } .hero-note p:last-child { margin-bottom: 0; } .features, .rules { grid-template-columns: 1fr; gap: 20px; } .section { padding-block: 44px; } .screens { gap: 24px; } .score-examples { grid-template-columns: 1fr; gap: 4px; } footer { flex-direction: column; } }
@media (max-width: 480px) { .screens { grid-template-columns: 1fr; max-width: 320px; gap: 40px; } .download { flex-direction: column; gap: 20px; } h1 span { margin-left: 12px; } }