:root { color-scheme: light; --green: #0f766e; --dark: #173230; --muted: #5d706e; --line: #dbe9e7; --soft: #f0fdfa; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--dark); background: #fff; font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { width: min(820px, calc(100% - 36px)); margin: 0 auto; padding: 56px 0 72px; }
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 46px; color: var(--muted); font-size: 14px; }
.brand img { width: 64px; height: 64px; object-fit: contain; }
h1, h2 { line-height: 1.2; letter-spacing: -.025em; }
h1 { max-width: 680px; margin: 0 0 18px; font-size: clamp(34px, 6vw, 54px); }
h2 { margin-top: 40px; font-size: 24px; }
p, li { color: #3d5452; }
.lead { max-width: 700px; font-size: 19px; }
.store-action { margin: 28px 0 36px; }
.store-action p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.callout { margin: 30px 0; padding: 20px 22px; border-left: 4px solid var(--green); border-radius: 0 12px 12px 0; background: var(--soft); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 30px 0; }
.feature { padding: 18px; border: 1px solid var(--line); border-radius: 14px; }
.feature h2 { margin: 0 0 6px; font-size: 18px; }
.feature p { margin: 0; font-size: 14px; }
a { color: var(--green); }
.button { display: inline-block; margin-top: 12px; padding: 12px 18px; border-radius: 10px; background: var(--green); color: white; font-weight: 700; text-decoration: none; transition: background-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.button:hover { background: #0b615b; box-shadow: 0 8px 22px rgb(15 118 110 / 20%); transform: translateY(-1px); }
.button:focus-visible { outline: 3px solid rgb(15 118 110 / 28%); outline-offset: 3px; }
.button-store { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-width: 272px; margin-top: 0; padding: 15px 20px; font-size: 17px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
code { padding: 2px 5px; border-radius: 5px; background: #eef4f3; }
@media (max-width: 480px) {
  main { width: min(100% - 28px, 820px); padding-top: 32px; }
  .brand { margin-bottom: 34px; }
  .button-store { width: 100%; min-width: 0; }
}