:root {
  color-scheme: light dark;
  --background: #fff;
  --surface: #f5f5f7;
  --text: #1d1d1f;
  --secondary: #65656c;
  --border: #dcdce1;
  --accent: #6440c8;
  --button: #6842ce;
  --button-hover: #5530b7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--background); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .22em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 4px; }
p, h1, h2, h3, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.container { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 16px; transform: translateY(-160%); z-index: 10; background: var(--background); padding: 12px 18px; }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--border); }
.navigation { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 650; letter-spacing: -.035em; text-decoration: none; min-height: 44px; }
.brand img { flex: 0 0 32px; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; text-decoration: none; }
.nav-links a:hover, .site-footer a:hover { color: var(--accent); }
.eyebrow { color: var(--accent); font-size: 14px; line-height: 1.4; font-weight: 650; margin-bottom: 20px; }
.hero { padding-top: 86px; text-align: center; }
.hero h1 { font-size: clamp(2.75rem, 6.2vw, 5.25rem); line-height: 1.055; letter-spacing: -.065em; font-weight: 650; }
.hero h1 span { color: var(--secondary); }
.hero-description { max-width: 580px; font-size: 21px; line-height: 1.5; color: var(--secondary); margin: 26px auto 0; }
.hero-actions { display: flex; gap: 20px; align-items: center; justify-content: center; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 12px 24px; border-radius: 999px; background: var(--button); color: #fff; font-size: 16px; font-weight: 550; text-decoration: none; transition: background .16s ease; }
.button:hover { background: var(--button-hover); }
.launch-status { font-size: 14px; color: var(--secondary); }
.product-image { max-width: 1040px; margin-top: 64px; }
.product-image img { width: 100%; }
.product-image figcaption { font-size: 14px; color: var(--secondary); margin-top: 24px; }
.section { padding-block: 112px; }
h2 { font-size: clamp(2.125rem, 4.2vw, 3.5rem); line-height: 1.08; letter-spacing: -.05em; font-weight: 650; }
h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; font-weight: 650; }
.section-description { color: var(--secondary); font-size: 21px; max-width: 630px; margin-top: 24px; }
.use-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 56px; }
.use-grid article { border-top: 1px solid var(--border); padding-top: 24px; }
.category { font-size: 14px; color: var(--secondary); margin-bottom: 22px; }
.use-grid h3 { margin-bottom: 12px; }
.use-grid article > p:last-child { color: var(--secondary); }
.workflow-section, .faq-section { background: var(--surface); }
.workflow { list-style: none; padding: 0; margin: 60px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; }
.step-number { display: block; font-size: 40px; line-height: 1; font-weight: 550; color: var(--accent); letter-spacing: -.04em; margin-bottom: 28px; }
.workflow p { color: var(--secondary); margin-top: 12px; }
.context-note { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; border-top: 1px solid var(--border); padding-top: 38px; margin-top: 56px; }
.context-note h3 { font-size: 30px; letter-spacing: -.04em; }
.context-note p { color: var(--secondary); max-width: 540px; }
.context-note strong { color: var(--text); font-weight: 600; }
.details-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding-top: 96px; }
.detail-panel { padding: 48px 40px; border: 1px solid var(--border); border-radius: 28px; }
.detail-panel h2 { font-size: clamp(2rem, 3.4vw, 2.75rem); margin-bottom: 24px; }
.detail-panel > p:not(.eyebrow) { color: var(--secondary); }
.native-features { list-style: none; padding: 0; margin: 34px 0 0; font-size: 16px; }
.native-features li { display: flex; flex-direction: column; gap: 3px; padding-block: 15px; border-top: 1px solid var(--border); }
.feature-detail { color: var(--secondary); font-size: 14px; }
.storage-panel { background: var(--surface); border-color: var(--surface); }
.storage-assurance { margin-top: 38px; font-size: 16px; }
.storage-assurance strong { color: var(--text); font-weight: 600; }
.ownership { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-block: 120px; }
.no-subscription { color: var(--accent); font-size: 24px; font-weight: 550; letter-spacing: -.025em; margin-top: 24px; }
.ownership-lead { font-size: 25px; line-height: 1.35; font-weight: 550; letter-spacing: -.03em; }
.ownership-details ul { padding-left: 20px; margin: 26px 0; color: var(--secondary); }
.ownership-details li { padding-left: 5px; margin-block: 12px; }
.ownership-details li::marker { color: var(--accent); }
.fine-print { color: var(--secondary); font-size: 14px; max-width: 390px; }
.faq-layout { display: grid; grid-template-columns: 1fr 1.55fr; gap: 70px; }
.faq-list { border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary { cursor: pointer; position: relative; padding: 23px 30px 23px 0; font-size: 17px; font-weight: 600; list-style: none; line-height: 1.45; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: 6px; top: 29px; width: 8px; height: 8px; border-right: 1.5px solid var(--secondary); border-bottom: 1.5px solid var(--secondary); transform: rotate(45deg); }
details[open] summary::after { transform: translateY(4px) rotate(225deg); }
.answer { color: var(--secondary); padding: 0 24px 24px 0; font-size: 16px; }
.final-action { text-align: center; padding-block: 104px; }
.final-action img { margin: 0 auto 28px; }
.final-action p { color: var(--secondary); margin: 22px 0 28px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; border-top: 1px solid var(--border); padding-block: 28px; font-size: 14px; }
.site-footer span { color: var(--secondary); margin-left: 5px; }
.site-footer > div { display: flex; gap: 28px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
@media (prefers-color-scheme: dark) {
  :root { --background: #101012; --surface: #1a1a1e; --text: #f5f5f7; --secondary: #aaaab3; --border: #37373e; --accent: #b59aff; --button: #7751de; --button-hover: #825de6; }
}
@media (max-width: 760px) {
  .container { width: calc(100% - 44px); }
  .navigation { min-height: 76px; flex-wrap: wrap; justify-content: center; padding-block: 12px; gap: 4px 28px; }
  .nav-links { gap: 24px; }
  .hero { padding-top: 58px; }
  .hero h1 { font-size: clamp(2.25rem, 7.5vw, 3.5rem); letter-spacing: -.055em; }
  .hero-description { font-size: 18px; max-width: 430px; }
  .hero-actions { flex-direction: column; gap: 14px; }
  .product-image { margin-top: 44px; }
  .product-image figcaption { max-width: 260px; margin-inline: auto; }
  .section { padding-block: 72px; }
  .section-description { font-size: 19px; }
  .use-grid, .workflow { grid-template-columns: 1fr; gap: 30px; margin-top: 40px; }
  .category { margin-bottom: 14px; }
  .workflow li { border-top: 1px solid var(--border); padding-top: 24px; }
  .step-number { font-size: 32px; margin-bottom: 16px; }
  .context-note { grid-template-columns: 1fr; gap: 20px; margin-top: 36px; padding-top: 30px; }
  .details-grid { grid-template-columns: 1fr; padding-top: 56px; gap: 20px; }
  .detail-panel { padding: 32px 26px; border-radius: 22px; }
  .ownership { grid-template-columns: 1fr; gap: 36px; }
  .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .final-action { padding-block: 72px; }
  .site-footer { flex-wrap: wrap; justify-content: center; gap: 8px 28px; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}