:root {
  color-scheme: dark;
  --bg: #0a111d;
  --surface: #101a2a;
  --line: #27384c;
  --text: #eff5fc;
  --muted: #a8b8cd;
  --cyan: #96dff7;
  --red: #ff566f;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
h1, h2, h3, p, figure { margin: 0; }
.shell { width: min(100% - 48px, 1216px); margin-inline: auto; }
.skip { position: absolute; z-index: 5; top: -5rem; left: 1rem; padding: .5rem 1rem; background: var(--text); color: var(--bg); }
.skip:focus { top: 1rem; }
.site-header { background: #0c1421; border-bottom: 1px solid var(--line); }
.header-inner, .footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 22px; }
.header-inner { min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 23px; font-weight: 800; letter-spacing: -.055em; white-space: nowrap; }
.brand img { display: block; }
.brand span span { color: var(--cyan); }
.main-nav, .header-tools, .languages, .footer-inner nav { display: flex; gap: 22px; align-items: center; }
.main-nav, .footer-inner nav { color: var(--muted); font-size: 14px; white-space: nowrap; }
.main-nav a:hover, .main-nav [aria-current], .footer-inner a:hover { color: var(--text); }
.languages { gap: 0; padding: 3px; border: 1px solid var(--line); border-radius: 8px; white-space: nowrap; }
.languages a { border-radius: 5px; padding: 4px 7px; color: var(--muted); font-size: 12px; }
.languages [aria-current], .languages a:hover { background: #223249; color: var(--text); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 46px; padding: 9px 16px; border: 1px solid transparent; border-radius: 8px; font-weight: 720; white-space: nowrap; }
.button:hover { filter: brightness(1.15); }
.header-button { min-height: 38px; color: var(--cyan); background: #142337; border-color: #2b415a; padding: 5px 11px; font-size: 13px; }
.primary { background: var(--red); color: #140c15; }
.outline { color: var(--text); border-color: #39516b; background: #111c2c; }
.hero { display: grid; grid-template-columns: .94fr 1fr; align-items: center; gap: clamp(24px, 5vw, 70px); padding: clamp(45px, 7vw, 100px) 0 clamp(38px, 6vw, 74px); }
.hero-copy { min-width: 0; }
.eyebrow, .relay-head { font: 650 12px/1.5 var(--mono); letter-spacing: .10em; color: var(--cyan); }
.eyebrow { text-transform: uppercase; }
.eyebrow i, .relay-head i, .tier-label i { display: inline-block; width: 7px; height: 7px; background: var(--red); margin-right: 10px; border-radius: 50%; box-shadow: 0 0 12px #ff566f85; vertical-align: 1px; }
.hero h1 { margin: 18px 0; font-size: clamp(42px, 5.45vw, 80px); line-height: 1.08; letter-spacing: -.055em; }
.hero h1 em { color: var(--red); font-style: normal; }
.intro { max-width: 57ch; color: var(--muted); font-size: clamp(15px, 1.55vw, 18px); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.relay { border: 1px solid #34465b; border-radius: 17px; background: #0d1726; overflow: hidden; box-shadow: 0 22px 58px #0004; }
.relay-head, .relay figcaption { display: flex; justify-content: space-between; gap: 10px; padding: 13px 17px; }
.relay-head { font-size: 10px; }
.relay-head i { background: var(--cyan); box-shadow: 0 0 12px #96dff785; width: 5px; height: 5px; }
.relay-art { display: block; width: 100%; height: auto; border-block: 1px solid var(--line); }
.relay figcaption { color: var(--muted); font-size: 12px; }
.relay figcaption b { margin-left: 8px; color: var(--text); }
.section { border-top: 1px solid var(--line); padding: 35px 0 46px; }
.section h2, .partner h2 { margin: 6px 0 21px; font-size: clamp(25px, 3.5vw, 41px); line-height: 1.2; letter-spacing: -.035em; }
.tier-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tier { padding: clamp(17px, 3vw, 28px); background: linear-gradient(130deg,#15243a,#111a29); border: 1px solid #32475e; border-radius: 12px; }
.tier-label { font-size: 14px; color: var(--cyan); font-weight: 650; }
.tier-label i { background: var(--cyan); box-shadow: none; }
.tier:nth-child(2) .tier-label { color: #ff9aab; }
.tier:nth-child(2) .tier-label i { background: var(--red); }
.tier strong { display: block; margin: 7px 0; font: 700 clamp(25px, 4.1vw, 49px)/1.2 var(--mono); letter-spacing: -.055em; }
.tier small { color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.tier p, .note, .steps p, .partner p:not(.eyebrow), .guide p, .faq p, .footer-inner p { color: var(--muted); }
.note { font-size: 13px; margin-top: 13px; }
.steps, .guide { list-style: none; margin: 0; padding: 0; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.steps li { border-top: 1px solid #40556c; padding: 15px 4px 5px; }
.steps li > span, .guide li > span { color: var(--red); font: 650 13px var(--mono); }
.steps h3 { margin: 6px 0; }
.text-link { color: var(--cyan); display: inline-flex; gap: 7px; }
.text-link:hover { text-decoration: underline; }
.partner { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 5px 0 55px; padding: clamp(22px, 4vw, 39px); background: linear-gradient(110deg,#1b2031,#171a2b 72%,#321c2a); border: 1px solid #513348; border-radius: 12px; }
.partner h2 { margin-bottom: 8px; }
.partner p { max-width: 64ch; }
.site-footer { padding: 26px 0 37px; border-top: 1px solid var(--line); }
.footer-inner p { margin-top: 5px; font-size: 13px; }
.page-title { padding: 60px 0 35px; }
.page-title h1 { font-size: clamp(34px, 6vw, 67px); line-height: 1.15; letter-spacing: -.045em; margin: 12px 0; }
.guide { margin-bottom: 38px; }
.guide li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 19px 0; border-top: 1px solid var(--line); }
.guide li > span { padding-top: 8px; }
.guide h2 { font-size: clamp(20px, 2.6vw, 27px); margin-bottom: 4px; }
.faq { max-width: 920px; display: grid; gap: 8px; }
.faq details { padding: 14px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.faq summary { cursor: pointer; font-weight: 700; }
.faq summary::marker { color: var(--cyan); }
.faq p { padding-top: 7px; }
.page-actions { margin-bottom: 55px; }
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; gap: 8px 16px; padding: 11px 0; }
  .main-nav { order: 3; flex-basis: 100%; gap: 20px; }
  .hero { gap: 24px; }
}
@media (max-width: 660px) {
  .shell { width: calc(100% - 32px); }
  .header-tools { gap: 9px; }
  .header-button { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .hero h1 { font-size: clamp(38px, 9.4vw, 57px); }
  .steps { grid-template-columns: 1fr; gap: 11px; }
  .partner, .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner nav { flex-wrap: wrap; gap: 12px; }
  .tier strong small { display: block; margin-top: 5px; }
}