* { box-sizing: border-box; }
body { margin: 0; background: #14111A; color: #FCFCFD; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", ui-sans-serif, system-ui, sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible { outline: 2px solid #45B8FF; outline-offset: 5px; }
.holo { height: 4px; background: linear-gradient(100deg,#45B8FF,#2E5BFF 28%,#8601AF 52%,#FF00A8 76%,#FFC42E); }
.shell { max-width: 1200px; margin: auto; padding: 0 32px; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; border-bottom: 1px solid #fcfcfd18; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; }
header { padding: 68px 0 38px; }
.eyebrow, .platform { color: #a7a4ae; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; }
h1 { font-size: clamp(38px, 6vw, 68px); letter-spacing: -.035em; line-height: 1.08; margin: 16px 0 22px; }
.intro { color: #c5c2cc; font-size: 20px; }
.devices { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.device-card { display: flex; flex-direction: column; padding: 28px; border: 1px solid #fcfcfd25; border-radius: 20px; background: #ffffff04; scroll-margin-top: 24px; }
.device-card.recommended { border-color: #45B8FF; }
.device-card.recommended .platform { color: #45B8FF; }
h2 { font-size: 26px; letter-spacing: -.02em; line-height: 1.2; margin: 14px 0; }
p { margin: 0 0 20px; }
.device-card > p { color: #c5c2cc; }
.device-card .availability { font-size: 15px; margin-top: auto; padding-top: 8px; }
.device-card .requirements { font-size: 13px; color: #a7a4ae; }
.button { display: block; text-align: center; text-decoration: none; border-radius: 12px; padding: 13px 15px; background: #FCFCFD; color: #14111A; font-size: 15px; font-weight: 600; }
.button:hover { background: #cfeeff; color: #14111A; }
.install { max-width: 760px; margin: 64px 0; }
.install > p { color: #c5c2cc; }
details { border-bottom: 1px solid #fcfcfd25; padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 16px 0 0; color: #c5c2cc; }
footer, footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer { justify-content: space-between; border-top: 1px solid #fcfcfd18; padding: 26px 0 38px; color: #a7a4ae; font-size: 14px; }
@media (max-width: 850px) { .devices { grid-template-columns: 1fr; } .device-card { padding: 24px; } .device-card .availability { margin-top: 0; } }
@media (max-width: 480px) { .shell { padding: 0 20px; } header { padding-top: 42px; } .intro { font-size: 18px; } }