:root {
      --blue: #0a85ff; --aqua: #30d1ff; --ink: #1c1c1e; --muted: #6e6e73;
      --card: #f2f2f7; --bg: #ffffff; --hair: rgba(0,0,0,.08);
    }
    @media (prefers-color-scheme: dark) {
      :root { --ink: #f2f2f7; --muted: #a1a1a6; --card: #1c1c1e; --bg: #000; --hair: rgba(255,255,255,.1); }
    }
    * { box-sizing: border-box; }
    body { margin: 0; background: var(--bg); color: var(--ink);
           font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
    a { color: var(--blue); }
    .wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.25rem; }

    header { padding: 1rem 0; }
    header .wrap { display: flex; align-items: center; justify-content: space-between; }
    .brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; text-decoration: none; color: var(--ink); }
    .brand img { width: 32px; height: 32px; border-radius: 8px; }
    nav a { margin-left: 1.2rem; text-decoration: none; color: var(--muted); font-size: .95rem; }

    .hero { position: relative; overflow: hidden; padding: 3rem 0 2rem; }
    .hero::before { content: ""; position: absolute; inset: -40% -20% auto; height: 120%;
      background: radial-gradient(60% 60% at 30% 40%, rgba(10,133,255,.28), transparent 70%),
                  radial-gradient(50% 50% at 75% 30%, rgba(48,209,255,.22), transparent 70%);
      z-index: -1; }
    .hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
    .hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -.02em; }
    .hero h1 span { background: linear-gradient(90deg, var(--blue), var(--aqua)); -webkit-background-clip: text; background-clip: text; color: transparent; }
    .hero p.lead { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.5rem; max-width: 30rem; }
    /* Apple's badge: official SVG from toolbox.marketingtools.apple.com,
       shown at its own proportions with clear space, per Apple's
       App Store marketing guidelines. */
    .badge { display: inline-block; margin: .25rem 0; }
    .badge img { display: block; height: 60px; width: auto; }
    .note { font-size: .9rem; color: var(--muted); margin-top: .8rem; }
    .phone { justify-self: center; width: min(320px, 80vw); border-radius: 36px; overflow: hidden;
             box-shadow: 0 30px 60px rgba(10,133,255,.25), 0 0 0 1px var(--hair); }
    .phone img { display: block; width: 100%; }

    .features { padding: 2.5rem 0; }
    .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .card { background: var(--card); border-radius: 20px; padding: 1.4rem; }
    .card .tag { margin-bottom: .8rem; }
    .card h3 { margin: 0 0 .4rem; font-size: 1.1rem; }
    .card p { margin: 0; color: var(--muted); font-size: .98rem; }

    .story { padding: 1rem 0 0; }
    .story .row { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; align-items: center; padding: 2.5rem 1.25rem; }
    .story .row.reverse .phone { order: 2; }
    .story .copy h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.02em; margin: .4rem 0 .6rem; }
    .story .copy p { color: var(--muted); margin: 0; max-width: 30rem; }
    .story .phone { width: min(280px, 70vw); box-shadow: 0 24px 50px rgba(10,133,255,.18), 0 0 0 1px var(--hair); }
    .tag { display: inline-block; font-size: .8rem; font-weight: 600; color: var(--blue);
           background: rgba(10,133,255,.12); border-radius: 999px; padding: .2rem .7rem; }

    .privacy { background: var(--card); padding: 2.5rem 0; text-align: center; }
    .privacy h2 { margin: 0 0 .5rem; }
    .privacy p { margin: 0 auto; max-width: 36rem; color: var(--muted); }

    footer { padding: 2rem 0; text-align: center; color: var(--muted); font-size: .9rem; }
    footer a { margin: 0 .6rem; color: var(--muted); }

    @media (max-width: 720px) {
      .hero .wrap, .grid, .story .row { grid-template-columns: 1fr; }
      .story .row { padding: 1.5rem 1.25rem; }
      .story .row .phone { order: 0; justify-self: center; }
      .story .copy { text-align: center; }
      .story .copy p { margin: 0 auto; }
      .hero { padding-top: 2rem; }
      nav a { margin-left: .9rem; }
    }
  
    /* Content pages */
    main.page { padding: 2rem 0 3rem; }
    main.page .wrap { max-width: 44rem; }
    main.page h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.02em; margin: .5rem 0 .3rem; }
    main.page .meta { color: var(--muted); margin: 0 0 1.5rem; }
    main.page h2 { font-size: 1.3rem; margin: 2.2rem 0 .6rem; }
    main.page h3 { font-size: 1.05rem; margin: 1.6rem 0 .3rem; }
    main.page p, main.page li { color: var(--ink); }
    main.page ul { padding-left: 1.2rem; }
    main.page table { border-collapse: collapse; width: 100%; }
    main.page td { padding: .4rem .6rem .4rem 0; vertical-align: top; border-bottom: 1px solid var(--hair); }
    main.page td:first-child { white-space: nowrap; color: var(--muted); }
    main.page code { background: var(--card); padding: .1rem .35rem; border-radius: 6px; font-size: .92em; }