:root {
  color-scheme: light;
  --ground: #f5f5f7;
  --ink: #1d1d1f;
  --muted: #545963;
  --accent: #0868ea;
  --rule: #d9dce2;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--font); }
.product-preview { margin: 0 auto; width: min(916px, calc(100% - 48px)); }
.product-preview img { display: block; width: 100%; height: auto; border-radius: 14px; box-shadow: 0 18px 32px #00000024; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: #bedcff; color: #10233f; }
html { scrollbar-color: #a9aeb7 var(--ground); scroll-behavior: smooth; }
.skip-link { position: absolute; top: -80px; left: 16px; padding: 12px 18px; background: white; z-index: 10; }
.skip-link:focus { top: 10px; }
.site-header { height: 60px; border-bottom: 1px solid var(--rule); }
.site-header nav { max-width: 1320px; margin: auto; padding: 0 0; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; color: var(--ink); font-size: 20px; font-weight: 600; letter-spacing: -.025em; }
.nav-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 18px; text-decoration: none; min-height: 44px; }
.hero { padding: 34px 0 0; text-align: center; }
h1 { margin: 0; font-size: clamp(40px, 5vw, 75px); line-height: 1; font-weight: 750; letter-spacing: -.04em; text-wrap: balance; }
.hero-description { margin: 14px auto 0; padding: 0 24px; color: var(--muted); font-size: 21px; line-height: 1.3; max-width: 960px; }
.hero-actions { margin: 20px auto 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 49px; min-width: 211px; padding: 12px 24px; background: var(--accent); color: #fff; font-size: 18px; font-weight: 600; border-radius: 10px; text-decoration: none; transition: background-color 150ms ease-out; }
.button:hover { background: #0055ab; }
.button:active { background: #00458b; }
.release-status { margin: 8px 0 18px; font-size: 14px; line-height: 18px; color: var(--muted); }
.product-preview a { display: block; border-radius: 14px; }
.product-preview figcaption { font-size: 14px; margin-top: 26px; line-height: 22px; color: var(--ink); }
@media (max-width: 1390px) { .site-header nav { margin-inline: 6%; } }
.content-width { width: min(1040px, calc(100% - 64px)); margin-inline: auto; }
h2 { font-size: clamp(30px, 3.1vw, 46px); line-height: 1.1; letter-spacing: -.035em; font-weight: 700; text-wrap: balance; margin: 0 0 24px; }
p { line-height: 1.6; }
.story { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding-block: 120px; }
.section-intro p, .section-lead { color: var(--muted); font-size: 20px; max-width: 65ch; margin-bottom: 0; }
.example-keys { display: flex; align-items: center; gap: 18px; justify-content: center; }
.example-key { padding: 12px; width: 148px; min-height: 154px; background: #252527; color: #f5f5f7; border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; font-size: 19px; font-weight: 600; }
.example-key kbd { font-family: var(--font); font-size: 16px; font-weight: 400; color: #c1c1c6; }
.custom-emoji { font-size: 28px; line-height: 1; }
.example-arrow { color: var(--muted); flex-shrink: 0; }
.key-example p { font-size: 13px; text-align: center; color: var(--muted); margin-top: 24px; }
.feature-section { background: #fff; padding-block: 88px; }
.feature-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
dl { margin: 0; }
.features div + div { margin-top: 36px; }
dt { font-size: 21px; font-weight: 600; letter-spacing: -.015em; }
dd { margin: 10px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.compatibility-section { padding-block: 100px 70px; }
.requirements { margin-top: 42px; }
.requirements div { display: grid; grid-template-columns: 160px 1fr; gap: 32px; padding-block: 22px; border-top: 1px solid var(--rule); }
.requirements dd { margin: 0; max-width: 70ch; }
.faq { max-width: 820px; padding-block: 30px 90px; }
.faq h2 { margin-bottom: 36px; }
details { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; padding: 24px 28px 24px 0; font-size: 19px; font-weight: 600; }
summary::marker { color: var(--accent); }
summary:hover { color: var(--accent); }
details p { margin: 0 0 26px; font-size: 17px; color: var(--muted); max-width: 70ch; }
.closing { padding: 68px 24px 88px; background: #fff; text-align: center; }
.closing h2 { font-size: clamp(28px, 3vw, 40px); margin: 16px 0; }
.closing p { color: var(--muted); font-size: 18px; margin: 0 0 26px; }
footer { display: flex; justify-content: space-between; gap: 24px; padding-block: 28px; font-size: 13px; color: var(--muted); }
footer p { margin: 0; }
@media (prefers-reduced-motion: no-preference) {
  .product-preview img { animation: window-arrival 650ms cubic-bezier(.16, 1, .3, 1) both; }
  @keyframes window-arrival { from { transform: translateY(12px); opacity: .8; } to { transform: translateY(0); opacity: 1; } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
@media (max-width: 800px) {
  .desktop-break { display: none; }
  .story, .feature-layout { grid-template-columns: 1fr; gap: 40px; }
  .story { padding-block: 72px; }
  .feature-section { padding-block: 64px; }
  .compatibility-section { padding-block: 72px 40px; }
  .faq { padding-bottom: 64px; }
  .feature-layout h2 { margin-bottom: 0; }
}
@media (max-width: 500px) {
  .site-header nav { margin-inline: 20px; }
  .brand { gap: 8px; font-size: 15px; }
  .brand img { width: 32px; height: 32px; }
  .nav-link { gap: 4px; font-size: 15px; }
  .hero { padding-top: 42px; }
  h1 { padding-inline: 20px; font-size: 42px; line-height: 1.05; }
  .hero-description { font-size: 18px; line-height: 1.5; margin-top: 20px; }
  .hero-actions { margin-top: 24px; }
  .release-status { margin-bottom: 28px; }
  .product-preview { width: calc(100% - 24px); }
  .product-preview img, .product-preview a { border-radius: 6px; }
  .product-preview figcaption { margin-top: 20px; }
  .content-width { width: calc(100% - 40px); }
  .section-intro p, .section-lead { font-size: 18px; }
  .example-keys { gap: 12px; }
  .example-key { width: 130px; min-height: 144px; font-size: 17px; }
  .example-arrow { width: 24px; }
  .requirements div { grid-template-columns: 1fr; gap: 10px; }
  .requirements { margin-top: 30px; }
  summary { font-size: 18px; }
  .closing { padding-block: 56px 64px; }
  footer { flex-direction: column; gap: 12px; }
}