:root {
  color-scheme: light;
  --blue: #0071e3;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --canvas: #f5f5f7;
  --line: rgba(29, 29, 31, .16);
  --soft-blue: #eaf4ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; letter-spacing: -.01em; }
a { color: inherit; }
.page { overflow: hidden; }
.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, .8fr) minmax(400px, 1.2fr); gap: clamp(42px, 7vw, 96px); align-items: center; padding: 102px 0 90px; }
.home-link { position: absolute; top: 25px; left: 0; display: inline-flex; min-height: 36px; align-items: center; padding: 7px 12px; border: 1px solid rgba(29, 29, 31, .16); border-radius: 999px; background: rgba(255, 255, 255, .72); color: #0066cc; font-size: 13px; font-weight: 650; text-decoration: none; }
.home-link:hover, .home-link:focus-visible { border-color: #0066cc; background: #fff; outline: none; }
.hero-logo { display: block; width: 58px; height: 58px; margin-bottom: 18px; border-radius: 17px; box-shadow: 0 7px 18px rgba(29, 29, 31, .15); }
.eyebrow, .section-kicker { margin: 0; color: #0066cc; font-size: 14px; font-weight: 700; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; color: #515154; font-size: 15px; font-weight: 650; }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 7px rgba(0, 113, 227, .11); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(44px, 4.8vw, 64px); font-weight: 650; line-height: 1.02; letter-spacing: -.05em; }
.device-title { margin: 8px 0 0; color: var(--muted); font-size: clamp(24px, 2.6vw, 34px); font-weight: 400; line-height: 1.16; letter-spacing: -.035em; }
.lead { margin: 23px 0 0; color: #515154; font-size: 18px; line-height: 1.48; }
.download-button { display: inline-flex; min-height: 62px; align-items: center; gap: 12px; margin-top: 26px; padding: 9px 20px 9px 11px; border-radius: 14px; background: var(--blue); color: #fff; box-shadow: 0 12px 25px rgba(0, 113, 227, .22); text-decoration: none; transition: background 160ms ease, transform 160ms ease, opacity 160ms ease; }
.download-button:hover, .download-button:focus-visible { background: #0077ed; transform: translateY(-2px); outline: none; }
.download-button.is-loading, .download-button.is-unavailable { cursor: default; opacity: .62; }
.download-button.is-loading:hover, .download-button.is-unavailable:hover { background: var(--blue); transform: none; }
.download-icon { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 11px; background: rgba(255, 255, 255, .18); font-size: 24px; font-weight: 500; }
.download-button small, .download-button strong { display: block; }
.download-button small { margin-bottom: 2px; font-size: 11px; font-weight: 600; }
.download-button strong { font-size: 17px; line-height: 1.1; }
.compatibility { margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.45; }

.hero-shot, .pairing-shot { margin: 0; overflow: hidden; border: 1px solid rgba(29, 29, 31, .12); border-radius: 22px; background: #0a0e15; box-shadow: 0 22px 54px rgba(29, 29, 31, .16); }
.hero-shot { aspect-ratio: 16 / 9; }
.hero-shot img, .pairing-shot img { display: block; width: 100%; height: 100%; object-fit: cover; }

.install-guide { display: grid; grid-template-columns: minmax(260px, .78fr) minmax(0, 1.22fr); gap: clamp(38px, 7vw, 92px); padding: 84px 0; border-top: 1px solid var(--line); background: #fff; box-shadow: 0 0 0 100vmax #fff; clip-path: inset(0 -100vmax); }
.install-heading h2, .pairing h2 { margin: 10px 0 0; font-size: clamp(38px, 4.4vw, 54px); font-weight: 650; line-height: 1.04; letter-spacing: -.052em; }
.install-heading > p:last-child { margin: 22px 0 0; color: #515154; font-size: 17px; line-height: 1.48; }
.install-methods { display: grid; gap: 18px; }
.method-card { padding: 26px 27px 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 8px 28px rgba(29, 29, 31, .06); }
.method-number { margin: 0 0 12px; color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .08em; }
.method-card h3 { margin: 0; font-size: 24px; letter-spacing: -.035em; }
.method-card ol { display: grid; gap: 13px; margin: 20px 0 0; padding-left: 20px; color: #515154; font-size: 15px; line-height: 1.48; }
.method-card li::marker { color: var(--blue); font-weight: 750; }
.method-card strong { color: var(--ink); }

.pairing { display: grid; grid-template-columns: minmax(260px, .78fr) minmax(0, 1.22fr); gap: clamp(35px, 6vw, 76px); align-items: center; padding: 34px; border: 1px solid rgba(0, 113, 227, .17); border-radius: 24px; background: var(--soft-blue); }
.pairing h2 { font-size: clamp(32px, 3.7vw, 47px); }
.pairing-copy > p:last-child { margin: 24px 0 0; color: #424245; font-size: 17px; line-height: 1.5; }
.pairing-shot { aspect-ratio: 16 / 9; border-radius: 16px; box-shadow: 0 15px 36px rgba(29, 29, 31, .13); }
.safety-note { display: flex; flex-wrap: wrap; gap: 9px 14px; align-items: baseline; margin-top: 22px; padding: 18px 20px; border: 1px solid #f1d799; border-radius: 15px; background: #fff9e8; color: #765514; }
.safety-note strong { font-size: 15px; }
.safety-note span { color: #765514; font-size: 14px; }
.support-line { margin: 34px 0 0; color: var(--muted); text-align: center; }
.support-line a, .footer-links a { color: #0066cc; text-underline-offset: 3px; }
footer { margin-top: 84px; padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 12px; }

@media (max-width: 900px) {
  .hero, .install-guide, .pairing { grid-template-columns: 1fr; }
  .hero { gap: 42px; padding-bottom: 68px; }
  .hero-shot { width: min(100%, 760px); }
  .install-heading > p:last-child { max-width: 650px; }
}
@media (max-width: 600px) {
  .wrap { width: min(100% - 32px, 1120px); }
  .hero { padding-top: 75px; }
  .home-link { top: 18px; }
  .install-guide { padding: 62px 0; }
  .method-card { padding: 23px 20px 25px; }
  .pairing { gap: 28px; padding: 25px 20px; border-radius: 20px; }
}
@media (max-width: 480px) {
  h1 { font-size: clamp(42px, 13vw, 58px); }
  .download-button { width: 100%; justify-content: center; }
}