.product-page {
    --product-surface: #fffdf9;
    --product-soft-surface: #f4eee7;
    --product-list-surface: #f7f3ee;
    --product-muted-ink: #7a7a7a;
    --product-qr-bg: #fff;
    background: var(--bg-color);
}
.product-logo-link, .top-link, .legal-links a { color: inherit; text-decoration: none; }
.top-link { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; color: var(--secondary-text); }
.product-hero { padding: 42px 0 110px; }
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 430px); align-items: center; gap: 70px; }
.hero-copy h1 { font-family: 'Playfair Display', serif; font-size: clamp(2.8rem, 7vw, 5.2rem); line-height: 0.95; letter-spacing: 0; margin-bottom: 24px; }
.hero-copy p { max-width: 540px; font-size: 1.08rem; line-height: 1.9; color: var(--secondary-text); margin-bottom: 34px; }
.app-mark { width: 76px; height: 76px; border-radius: 20px; margin-bottom: 28px; }
.hero-actions, .download-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-button, .store-button { min-width: 132px; display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 8px; text-decoration: none; font-size: 0.86rem; font-weight: 700; letter-spacing: 0.08em; transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.25s ease; }
.cta-button:hover, .store-button:hover { transform: translateY(-2px); }
.cta-button.primary { background: var(--text-color); color: var(--bg-color); }
.cta-button.secondary { border: 1px solid var(--border-color); color: var(--text-color); }
.phone-stage { position: relative; min-height: 620px; display: flex; justify-content: center; align-items: center; border-radius: 24px; background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0)), url('../../assets/images/item_bg.webp') center/cover; overflow: hidden; }
.phone-stage::after { content: ""; position: absolute; inset: auto 0 0; height: 42%; background: linear-gradient(180deg, rgba(252,250,248,0), rgba(252,250,248,0.92)); }
.phone-shell { position: relative; z-index: 1; width: min(290px, calc(100% - 46px)); padding: 14px; border-radius: 38px; background: #111; box-shadow: 0 28px 70px rgba(0,0,0,0.28); }
.phone-notch { width: 118px; height: 26px; margin: 0 auto -10px; border-radius: 0 0 18px 18px; background: #111; position: relative; z-index: 2; }
.phone-screen { min-height: 540px; border-radius: 28px; padding: 28px 20px 20px; background: var(--product-surface); color: #1a1a1a; }
.screen-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 22px; }
.screen-header span { font-size: 1.05rem; font-weight: 900; }
.screen-header strong { font-size: 0.78rem; color: var(--product-muted-ink); }
.summary-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 22px; }
.summary-strip div { padding: 16px; border-radius: 16px; background: var(--product-soft-surface); }
.summary-strip strong, .summary-strip span, .inventory-list strong, .inventory-list small { display: block; }
.summary-strip strong { font-size: 1.5rem; line-height: 1; margin-bottom: 6px; }
.summary-strip span { font-size: 0.72rem; color: var(--product-muted-ink); }
.inventory-list { display: grid; gap: 12px; margin-bottom: 18px; }
.inventory-list article { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 16px; background: var(--product-list-surface); }
.inventory-list strong { font-size: 0.9rem; margin-bottom: 2px; }
.inventory-list small { color: var(--product-muted-ink); font-size: 0.7rem; }
.item-dot { width: 12px; height: 12px; border-radius: 50%; flex: 0 0 auto; }
.item-dot.amber { background: #f5a623; }
.item-dot.green { background: #4f9d69; }
.item-dot.blue { background: #5287d8; }
.quick-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.quick-actions span { min-height: 42px; display: flex; justify-content: center; align-items: center; border-radius: 14px; font-size: 0.76rem; font-weight: 700; color: #fff; background: #1a1a1a; }
.feature-band { padding: 20px 0 100px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px; }
.feature-grid article { border-top: 1px solid var(--border-color); padding-top: 24px; }
.feature-grid h3, .platform-grid h2, .download-grid h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: 0; line-height: 1.15; margin-bottom: 14px; }
.feature-grid p, .platform-grid p, .download-grid p { color: var(--secondary-text); line-height: 1.9; }
.platform-band { padding: 0 0 100px; }
.platform-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 36px; border-top: 1px solid var(--border-color); padding-top: 34px; }
.platform-list { display: flex; flex-wrap: wrap; gap: 10px; }
.platform-list span { border: 1px solid var(--border-color); border-radius: 999px; padding: 11px 18px; font-size: 0.78rem; font-weight: 700; }
.download-band { padding: 0 0 30px; }
.download-grid { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 40px; align-items: center; border-top: 1px solid var(--border-color); padding-top: 34px; }
.download-grid p { max-width: 560px; margin-bottom: 24px; }
.store-button { border: 1px solid var(--border-color); color: var(--text-color); }
.store-button.is-disabled { cursor: default; opacity: 0.5; }
.store-button.is-disabled:hover { transform: none; }
.qr-panel { justify-self: end; text-align: center; }
.qr-placeholder { width: 180px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--border-color); background: var(--product-qr-bg); margin-bottom: 12px; }
.qr-placeholder span { font-weight: 900; letter-spacing: 0.2em; color: var(--secondary-text); }
.qr-panel p { margin: 0; font-size: 0.78rem; }
.product-footer { padding-top: 70px; }
.legal-links { display: flex; gap: 20px; font-size: 0.72rem; font-weight: 700; color: var(--secondary-text); }
@media (max-width: 900px) {
    .product-hero-grid, .platform-grid, .download-grid { grid-template-columns: 1fr; }
    .phone-stage { min-height: 560px; }
    .qr-panel { justify-self: start; }
}
@media (prefers-color-scheme: dark) {
    .product-page {
        --product-surface: #161616;
        --product-soft-surface: #232323;
        --product-list-surface: #202020;
        --product-muted-ink: #b6b6b6;
        --product-qr-bg: #151515;
    }

    .phone-stage::after {
        background: linear-gradient(180deg, rgba(10,10,10,0), rgba(10,10,10,0.92));
    }

    .phone-screen {
        color: #f5f5f5;
    }

    .quick-actions span {
        background: #f5a623;
        color: #1a1a1a;
    }
}
@media (max-width: 768px) {
    .product-hero { padding: 28px 0 80px; }
    .product-hero-grid { gap: 36px; }
    .feature-grid { grid-template-columns: 1fr; gap: 24px; }
    .phone-stage { min-height: 480px; }
    .phone-shell { width: min(278px, calc(100% - 32px)); }
    .phone-screen { min-height: 486px; }
    .download-actions, .hero-actions { flex-direction: column; align-items: stretch; }
    .cta-button, .store-button { width: 100%; }
    .footer-bottom { gap: 18px; }
}