body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #f5f5f7;
    color: #1d1d1f;
}

.global-nav {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #ddd;
}

.nav-content {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    height: 44px;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 25px;
    font-size: 12px;
}

.nav-list a {
    text-decoration: none;
    color: #333;
}

.apple-logo a {
    width: 14px;
    height: 44px;
    background-image: url('https://www.apple.com/ac/globalnav/7/en_US/images/be15095f-5a20-57d0-ad14-cf4c638e223a/globalnav_apple_image__b5er5ngrzxqq_large.svg');
    background-repeat: no-repeat;
    background-position: center;
    display: block;
}

.main-content {
    padding-top: 60px; /* Nav height + buffer */
    text-align: center;
}

.section-hero {
    padding: 50px 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 600;
    margin: 0;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 400;
    margin: 10px 0 20px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.btn {
    text-decoration: none;
    font-size: 17px;
    padding: 10px 20px;
    border-radius: 980px; /* Pill shape */
    border: 1px solid transparent;
}

.btn-primary {
    background-color: #0071e3;
    color: #fff;
}

.btn-secondary {
    border-color: #0071e3;
    color: #0071e3;
}

.section-sub {
    padding: 40px 20px;
}

.sub-title {
    font-size: 40px;
    font-weight: 600;
    color: #1d1d1f;
}

.sub-text {
    font-size: 21px;
    color: #1d1d1f;
    margin-top: 10px;
}

.product-image-container {
    margin-top: 50px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.product-image {
    max-width: 80%;
    height: auto;
}