.amazon-page { --amazon-section-gap: 18px; display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; overflow-x: clip; }
.amazon-page .site-nav { background: var(--nav-solid); border-bottom: 1px solid var(--line); }
.amazon-page .site-nav :is(.brand, .nav-links a) { color: var(--text); }
.amazon-page .site-footer { flex-shrink: 0; width: 100%; padding: max(8px, env(safe-area-inset-bottom, 0px)) 12px; }
.amazon-page .footer-layout { align-items: center; justify-content: center; }
.amazon-page .footer-layout p { display: flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; font-size: 12px; }
.amazon-page .footer-layout p a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 2px; font-size: inherit; }
.amazon-page .footer-layout p a + a { margin-left: 0; }
.amazon-main { display: flex; flex-direction: column; flex: 1 0 auto; width: min(calc(100% - 48px), var(--max-content)); margin: 0 auto; padding: 128px 0 var(--amazon-section-gap); }
.shopping-hero { display: grid; grid-template-columns: 1.1fr 1fr; column-gap: 54px; row-gap: 26px; align-items: center; padding: 0 0 54px; }
.hero-introduction { grid-column: 1; grid-row: 1; align-self: end; }
.shopping-eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 12px; font-weight: 750; letter-spacing: .13em; line-height: 1.5; }
.shopping-hero h1 { margin: 0 0 22px; font-size: clamp(48px, 5.1vw, 68px); line-height: 1.04; font-weight: 760; letter-spacing: -.052em; }
.shopping-hero h1 span { color: var(--accent); }
.shopping-intro { margin: 0; max-width: 440px; color: var(--text-muted); font-size: 18px; line-height: 1.6; }
.shopping-character { position: relative; isolation: isolate; grid-column: 2; grid-row: 1 / 3; margin: 0; text-align: center; }
.shopping-character::before { content: ""; position: absolute; z-index: -1; inset: 8% 0 12%; border-radius: 50%; background: var(--selected-bg); }
.shopping-character img { width: 100%; height: auto; filter: none; }
.shopping-actions { grid-column: 1; grid-row: 2; align-self: start; }
.shopping-link { display: flex; align-items: center; gap: 14px; width: 100%; min-height: 60px; padding: 17px 20px; border: 1px solid transparent; border-radius: 16px; text-decoration: none; font-size: 17px; font-weight: 650; line-height: 1.45; transition: background-color .18s, box-shadow .18s; }
.shopping-link span { flex: 1; }
.shopping-link-primary { background: var(--accent); color: var(--accent-contrast); }
.shopping-link-secondary { margin-top: 12px; color: var(--text); border-color: var(--line-strong); background: var(--surface); }
.shopping-link-primary:hover, .shopping-link-secondary:hover { color: var(--accent); border-color: var(--line-strong); background: var(--hover-bg); }
.utility-button:hover { background: var(--hover-bg); }
.ui-icon { display: inline-block; flex-shrink: 0; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.link-arrow { width: 18px; height: 18px; }
.share-card { display: grid; margin-top: auto; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 24px 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; }
.share-card h2 { margin: 0 0 12px; font-size: 26px; line-height: 1.2; letter-spacing: -.025em; }
.share-copy > p:not(.shopping-eyebrow):not(.share-status) { margin: 0; max-width: 610px; color: var(--text-muted); font-size: 16px; line-height: 1.55; }
.share-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.utility-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--text); background: var(--surface-soft); font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1.4; text-decoration: none; cursor: pointer; }
.utility-button .ui-icon { width: 17px; height: 17px; }
.share-status { margin: 0; color: var(--accent); font-size: 14px; line-height: 1.5; }
.share-status:not(:empty) { margin-top: 12px; }
.manual-copy { margin-top: 14px; }
.manual-copy label { display: block; margin-bottom: 6px; font-size: 14px; }
.manual-copy input { width: 100%; min-height: 44px; border: 1px solid var(--line-strong); border-radius: 8px; padding: 10px; background: var(--surface-soft); color: var(--text); font: inherit; font-size: 14px; }
.qr-figure { margin: 0; text-align: center; }
.qr-figure img { width: 116px; height: 116px; border-radius: 10px; background: white; filter: none; }
.qr-figure figcaption { margin-top: 8px; color: var(--text-subtle); font-size: 12px; }
.install-card { margin-top: var(--amazon-section-gap); border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.install-card summary { display: flex; align-items: center; gap: 16px; min-height: 88px; padding: 20px 24px; border-radius: 20px; cursor: pointer; list-style: none; }
.install-card summary::-webkit-details-marker { display: none; }
.install-card summary > img { width: 116px; height: 116px; flex-shrink: 0; filter: none; }
.install-card summary > span { flex: 1; }
.install-card summary strong { display: block; font-size: 17px; line-height: 1.4; font-weight: 600; }
.install-card summary span span { display: block; margin-top: 3px; color: var(--text-subtle); font-size: 14px; line-height: 1.5; }
.disclosure-chevron { width: 20px; height: 20px; transition: transform .18s; }
.install-card[open] .disclosure-chevron { transform: rotate(180deg); }
.install-content { padding: 0 28px 26px; max-width: 760px; }
.install-content > p { color: var(--text-muted); font-size: 16px; line-height: 1.6; margin: 0 0 20px; }
.install-steps { list-style: none; padding: 0; margin: 0; }
.install-steps li { display: flex; align-items: start; gap: 14px; margin: 0 0 20px; }
.install-steps li > span { display: flex; justify-content: center; align-items: center; width: 30px; height: 30px; flex-shrink: 0; border-radius: 50%; background: var(--selected-bg); color: var(--accent); font-size: 14px; font-weight: 700; }
.install-steps strong { font-size: 16px; line-height: 1.7; }
.install-steps p { margin: 2px 0 0; color: var(--text-muted); font-size: 15px; line-height: 1.6; }
.inline-icon { width: 18px; height: 18px; vertical-align: -.2em; }
.install-content .install-note { margin-top: 24px; margin-bottom: 6px; font-size: 14px; }
.apple-help { display: inline-block; min-height: 44px; padding: 12px 0; color: var(--accent); font-size: 14px; }
.amazon-page :is(a, button, summary, input):focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.amazon-page [hidden] { display: none !important; }
@media (max-width: 900px) { .shopping-hero { column-gap: 28px; } .share-card { padding: 28px; gap: 24px; } }
@media (prefers-reduced-motion: reduce) { .amazon-page *, .amazon-page *::before { transition: none !important; scroll-behavior: auto !important; } }
@media (prefers-contrast: more) { .shopping-link-secondary, .share-card, .install-card, .utility-button { border-color: var(--text); } .shopping-character figcaption, .qr-figure figcaption { color: var(--text); } }
@media (forced-colors: active) { .shopping-link, .utility-button { border: 1px solid ButtonText; } .shopping-character::before { display: none; } }

/* The initial mobile view must expose shopping, QR, sharing and installation. */
@media (max-width: 720px) {
    .amazon-page { --amazon-section-gap: 12px; }
    .amazon-main { width: min(calc(100% - 32px), 440px); padding-top: max(80px, calc(68px + env(safe-area-inset-top))); }
    .shopping-hero { grid-template-columns: minmax(0, 1fr) 112px; column-gap: 10px; row-gap: 16px; padding-bottom: 20px; }
    .hero-introduction { text-align: left; }
    .shopping-eyebrow { margin-bottom: 8px; font-size: 10px; letter-spacing: .075em; }
    .shopping-hero h1 { font-size: clamp(29px, 8.4vw, 38px); margin-bottom: 10px; }
    .shopping-intro { font-size: 14px; line-height: 1.4; }
    .shopping-character { grid-column: 2; grid-row: 1; width: 112px; margin: 0; align-self: center; }
    .shopping-character::before { display: none; }
    .shopping-actions { grid-column: 1 / -1; grid-row: 2; }
    .shopping-link { min-height: 52px; padding: 13px 16px; font-size: 16px; border-radius: 14px; }
    .shopping-link-secondary { margin-top: 8px; }
    .share-card { grid-template-columns: minmax(0, 1fr) 100px; gap: 14px; padding: 16px; border-radius: 16px; }
    .share-card h2 { font-size: 18px; margin-bottom: 0; }
    .share-actions { margin-top: 10px; gap: 6px; }
    .utility-button { padding: 10px; font-size: 13px; gap: 7px; }
    .qr-figure img { width: 100px; height: 100px; border-radius: 4px; }
    .qr-figure figcaption { font-size: 10px; line-height: 1.4; margin-top: 3px; }
    .install-card { border-radius: 16px; }
    .install-card summary { min-height: 64px; padding: 12px 14px; border-radius: 16px; gap: 10px; }
    .install-card summary > img { width: 100px; height: 100px; }
    .install-card summary strong { font-size: 14px; }
    .install-card summary span span { font-size: 12px; margin-top: 1px; }
    .install-card .disclosure-chevron { width: 16px; height: 16px; }
    .install-content { padding: 0 20px 20px; }
}
@media (max-width: 720px) and (max-height: 700px) {
    .amazon-page { --amazon-section-gap: 8px; }
    .amazon-main { padding-top: max(70px, calc(62px + env(safe-area-inset-top))); }
    .shopping-hero { row-gap: 8px; padding-bottom: 10px; }
    .shopping-hero h1 { font-size: 28px; margin-bottom: 8px; }
    .shopping-eyebrow { margin-bottom: 6px; }
    .shopping-intro { font-size: 13px; }
    .shopping-link { min-height: 48px; padding: 11px 14px; font-size: 15px; }
    .share-card { padding: 10px; grid-template-columns: minmax(0, 1fr) 90px; }
    .share-card h2 { font-size: 16px; }
    .share-actions { margin-top: 6px; }
    .utility-button { padding: 10px 8px; }
    .qr-figure img { width: 90px; height: 90px; }
    .install-card summary { min-height: 60px; padding: 10px 12px; }
    .install-card summary > img { width: 90px; height: 90px; }
}
@media (max-width: 360px) and (max-height: 600px) {
    .amazon-main { padding-top: max(68px, calc(62px + env(safe-area-inset-top))); }
    .shopping-hero { grid-template-columns: minmax(0, 1fr) 88px; }
    .shopping-character { width: 88px; }
    .shopping-hero h1 { font-size: 26px; margin-bottom: 6px; }
    .shopping-intro { font-size: 12.5px; }
    .share-card { padding: 8px; gap: 8px; }
    .share-actions { flex-wrap: nowrap; }
    .utility-button { padding-inline: 6px; font-size: 12px; white-space: nowrap; }
    .utility-button .ui-icon { display: none; }
    .install-card summary { padding-block: 8px; }
}