:root {
  color-scheme: dark;
  font: 16px/1.6 system-ui, sans-serif;
  color: #edf5ff;
  background: #0a1525;
  --accent: #a7efdc;
  --muted: #b7c9dc;
  --line: #344c64;
  --panel: #112439;
}

* { box-sizing: border-box; }
body { margin: 0; }
.wrap { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: #d0fff1; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip { position: absolute; top: 0; left: 16px; padding: 10px; transform: translateY(-150%); background: var(--panel); }
.skip:focus { transform: none; z-index: 2; }

.site-header, .site-footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.site-header { min-height: 72px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; white-space: nowrap; }
.site-header a { color: inherit; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 14px; }
nav a { padding-block: 5px; }
nav a[aria-current], nav a:hover { color: var(--accent); }
nav a[aria-current] { text-decoration: underline; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; }
h1 { font-size: clamp(34px, 5.6vw, 70px); letter-spacing: -.055em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 14px; }
h3 { font-size: 21px; margin: 0 0 10px; }
p { margin: 0 0 15px; }
.eyebrow { color: var(--accent); letter-spacing: .14em; font-size: 12px; font-weight: 750; margin: 0 0 10px; }
.lead { color: var(--muted); font-size: clamp(16px, 2vw, 19px); margin: 17px 0 22px; max-width: 47ch; }
.note { color: var(--muted); font-size: 14px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px; }
.button, .quiet-link { display: inline-block; font-size: 14px; font-weight: 700; text-decoration: none; }
.button { padding: 10px 14px; border: 1px solid var(--accent); border-radius: 8px; color: #0c2431; background: var(--accent); }
.button:hover { color: #0c2431; background: #ccfff1; }
.quiet-link:hover { text-decoration: underline; }

.hero { display: grid; grid-template-columns: 1fr 1.08fr; align-items: center; gap: clamp(22px, 5vw, 65px); padding: 52px 0 44px; }
.demo {
  margin: 0; overflow: hidden; border: 1px solid #45647d; border-radius: 15px;
  background: #14273c; box-shadow: 0 20px 46px #0005;
}
.demo-bar { display: flex; justify-content: space-between; padding: 8px 13px; font-weight: 700; font-size: 12px; }
.demo img { display: block; width: 100%; height: auto; }
figcaption { padding: 7px 13px; color: var(--muted); font-size: 12px; }
.plans { scroll-margin-top: 16px; }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: clamp(16px, 3vw, 25px); }
.card > :last-child { margin-bottom: 0; }
.ultra { border-color: #507d80; background: linear-gradient(145deg, #163444, #12263a); }
.plan-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.plan-heading span { color: var(--accent); font-weight: 750; }
ul, ol { padding-left: 1.3em; }
li + li { margin-top: 6px; }
.compatibility { margin-top: 12px; }

.content { max-width: 770px; padding-block: 42px 8px; }
.content h1 { font-size: clamp(32px, 5vw, 52px); }
.content section { scroll-margin-top: 16px; }
.content > section { margin-top: 25px; }
.policy > .note { margin-top: 10px; }
.policy section { border-top: 1px solid var(--line); padding-top: 18px; }
.policy h2 { font-size: 22px; }
.faq details { border: 1px solid var(--line); border-radius: 9px; margin-block: 8px; background: #102035; }
summary { cursor: pointer; padding: 10px 14px; font-weight: 650; }
details p { margin: 0; padding: 0 14px 12px; color: var(--muted); }
.contact { margin-bottom: 6px; }
.site-footer { flex-wrap: wrap; margin-top: 29px; padding-block: 17px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .hero { grid-template-columns: 1fr; padding-block: 32px 29px; }
  .hero h1 { max-width: 13ch; }
  .plan-grid { grid-template-columns: 1fr; }
  .content { padding-top: 28px; }
}
@media (max-width: 420px) {
  .site-header { flex-wrap: wrap; gap: 3px 12px; padding-block: 9px; }
  nav { gap: 4px 12px; }
}