:root {
  color-scheme: dark;
  --bg: #061733;
  --bg-deep: #041126;
  --ink: #f7fbff;
  --muted: #b4c4db;
  --soft: #7f96b8;
  --line: rgba(183, 211, 255, .16);
  --blue: #1687ff;
  --blue-light: #65c5ff;
  --lime: #a4f32a;
  --panel: rgba(12, 37, 75, .82);
  --panel-strong: rgba(14, 46, 91, .94);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body {
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: linear-gradient(145deg, #061a3b 0%, #071a36 44%, #041126 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .24;
  background-image: linear-gradient(rgba(118, 174, 255, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(118, 174, 255, .055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.page-glow { position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.page-glow-one { width: 680px; height: 680px; top: -360px; right: -180px; background: radial-gradient(circle, rgba(0, 125, 255, .25), transparent 70%); }
.page-glow-two { width: 640px; height: 640px; top: 720px; left: -430px; background: radial-gradient(circle, rgba(48, 185, 255, .09), transparent 70%); }
a { color: inherit; }
.site-header, main, .site-footer { width: min(1160px, calc(100% - 56px)); margin-inline: auto; }
.site-header { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-icon { display: block; width: 48px; height: 48px; border-radius: 14px; box-shadow: 0 7px 24px rgba(0, 106, 255, .28); }
.brand-copy { display: grid; gap: 0; }
.brand-copy strong { font-size: 16px; letter-spacing: -.025em; line-height: 1.25; }
.brand-copy small { margin-top: 4px; color: var(--blue-light); font-size: 9px; font-weight: 850; letter-spacing: .22em; }
.header-release { display: inline-flex; align-items: center; gap: 9px; color: #b8cbe7; font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.header-dot, .caption-pip { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px rgba(164, 243, 42, .8); }
.header-divider { color: #526b8d; }
.hero { min-height: 570px; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 64px; padding: 74px 0 82px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 22px; color: var(--blue-light); font-size: 10px; font-weight: 850; letter-spacing: .2em; }
.eyebrow-line { width: 25px; height: 2px; background: var(--lime); box-shadow: 0 0 12px rgba(164, 243, 42, .55); }
h1 { max-width: 720px; margin: 0; font-size: clamp(51px, 6.4vw, 82px); line-height: .99; letter-spacing: -.072em; font-weight: 790; }
h1 span { color: var(--blue-light); }
.hero-description { max-width: 570px; margin: 25px 0 27px; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-cta { min-height: 48px; display: inline-flex; align-items: center; gap: 22px; padding: 0 19px; border: 1px solid rgba(133, 204, 255, .35); border-radius: 12px; color: #061733; background: linear-gradient(120deg, #b8f45a, #a3eb27); box-shadow: 0 8px 28px rgba(121, 196, 38, .15); font-size: 13px; font-weight: 850; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(121, 196, 38, .24); }
.hero-cta span { font-size: 18px; line-height: 1; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 19px; margin-top: 35px; color: #a9bdd8; font-size: 11px; }
.hero-facts span { display: inline-flex; align-items: center; gap: 7px; }
.hero-facts b { color: var(--lime); font-size: 13px; }
.hero-art { position: relative; min-height: 390px; display: grid; place-items: center; }
.art-halo { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(17, 132, 255, .25), rgba(7, 72, 154, .12) 42%, transparent 72%); filter: blur(12px); }
.art-orbit { position: absolute; border: 1px solid rgba(107, 184, 255, .22); border-radius: 50%; }
.art-orbit-one { width: 400px; height: 210px; transform: rotate(-27deg); }
.art-orbit-two { width: 325px; height: 355px; transform: rotate(37deg); border-color: rgba(164, 243, 42, .15); }
.art-icon-wrap { position: relative; z-index: 1; width: min(280px, 68vw); aspect-ratio: 1; padding: 0; border-radius: 29%; box-shadow: 0 35px 90px rgba(0, 0, 0, .36), 0 0 65px rgba(0, 119, 255, .22); transform: rotate(-5deg); animation: icon-float 7s ease-in-out infinite; }
.art-icon-wrap img { display: block; width: 100%; height: 100%; border-radius: inherit; }
.art-caption { position: absolute; z-index: 2; right: 0; bottom: 28px; display: flex; align-items: center; gap: 11px; padding: 12px 17px; border: 1px solid rgba(173, 209, 255, .19); border-radius: 13px; background: rgba(5, 23, 50, .86); box-shadow: 0 12px 38px rgba(0, 0, 0, .22); backdrop-filter: blur(14px); }
.art-caption span:last-child { display: grid; gap: 1px; }
.art-caption strong { font-size: 11px; }
.art-caption small { color: var(--soft); font-size: 10px; }
.art-star { position: absolute; z-index: 1; color: var(--lime); text-shadow: 0 0 18px rgba(164, 243, 42, .65); }
.art-star-one { top: 51px; left: 13%; font-size: 28px; }
.art-star-two { right: 11%; top: 104px; color: var(--blue-light); font-size: 35px; }
@keyframes icon-float { 0%, 100% { transform: translateY(0) rotate(-5deg); } 50% { transform: translateY(-10px) rotate(-3deg); } }
.download-section { padding: 28px 0 80px; }
.section-intro { display: flex; align-items: end; justify-content: space-between; gap: 35px; margin-bottom: 29px; }
.section-intro .eyebrow { margin-bottom: 12px; }
.section-intro h2, .help-copy h2 { margin: 0; font-size: clamp(31px, 4vw, 43px); line-height: 1.08; letter-spacing: -.055em; }
.section-description { max-width: 460px; margin: 0 0 3px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 17px; }
.download-card { position: relative; min-width: 0; display: flex; flex-direction: column; overflow: hidden; padding: 26px 25px 23px; border: 1px solid var(--line); border-radius: 19px; background: linear-gradient(155deg, rgba(15, 43, 82, .88), rgba(7, 27, 58, .94)); box-shadow: 0 18px 55px rgba(0, 0, 0, .12); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.download-card:hover { transform: translateY(-5px); border-color: rgba(101, 197, 255, .42); background: linear-gradient(155deg, rgba(17, 52, 98, .95), rgba(7, 29, 63, .98)); }
.card-featured { border-color: rgba(164, 243, 42, .46); background: linear-gradient(155deg, rgba(20, 54, 85, .96), rgba(7, 31, 63, .98)); box-shadow: 0 20px 65px rgba(3, 15, 33, .28), inset 0 1px rgba(164, 243, 42, .1); }
.card-featured:hover { border-color: rgba(164, 243, 42, .72); }
.featured-ribbon { position: absolute; top: 0; right: 0; padding: 7px 13px 7px 15px; border-radius: 0 0 0 11px; color: #122300; background: var(--lime); font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.card-topline { display: flex; align-items: center; gap: 9px; }
.card-number { color: var(--blue-light); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.card-type { color: #829cbe; font-size: 9px; font-weight: 850; letter-spacing: .16em; }
.card-symbol { width: 48px; height: 48px; display: grid; place-items: center; margin: 23px 0 18px; border: 1px solid rgba(117, 193, 255, .2); border-radius: 14px; color: var(--blue-light); background: linear-gradient(145deg, rgba(17, 128, 255, .2), rgba(12, 65, 127, .2)); }
.card-symbol span { font-size: 23px; font-weight: 700; }
.symbol-guide { color: #d4f98a; border-color: rgba(164, 243, 42, .23); background: rgba(164, 243, 42, .08); }
.symbol-complete { color: var(--lime); border-color: rgba(164, 243, 42, .3); background: rgba(164, 243, 42, .1); }
.download-card h3 { margin: 0 0 10px; font-size: 21px; line-height: 1.22; letter-spacing: -.04em; }
.card-description { min-height: 64px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.feature-list { display: grid; gap: 9px; margin: 20px 0 24px; padding: 17px 0 0; border-top: 1px solid rgba(173, 209, 255, .12); list-style: none; color: #d2dfef; font-size: 11px; }
.feature-list li { position: relative; padding-left: 18px; }
.feature-list li::before { position: absolute; left: 0; color: var(--lime); content: "✓"; font-size: 11px; font-weight: 900; }
.card-actions { margin-top: auto; }
.download-button { min-height: 46px; display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 0 15px; border: 1px solid rgba(90, 183, 255, .35); border-radius: 10px; color: #f8fcff; background: linear-gradient(110deg, #0874e7, #159bf9); box-shadow: 0 8px 24px rgba(0, 112, 230, .16); font-size: 11px; font-weight: 850; text-decoration: none; transition: transform .16s ease, filter .16s ease; }
.download-button:hover { transform: translateY(-2px); filter: brightness(1.13); }
.download-button span { font-size: 18px; line-height: 1; }
.button-bright { color: #152700; border-color: rgba(210, 255, 155, .7); background: linear-gradient(110deg, #b7f15b, #9ce722); box-shadow: 0 8px 26px rgba(136, 209, 37, .15); }
.checksum-link { display: flex; justify-content: center; align-items: center; gap: 7px; margin-top: 14px; color: #94abc9; font-size: 10px; text-decoration: none; }
.checksum-link span { color: var(--blue-light); font-size: 15px; }
.checksum-link:hover { color: white; text-decoration: underline; text-underline-offset: 3px; }
.trust-row { display: flex; align-items: center; gap: 15px; margin: 0 0 64px; padding: 20px 24px; border: 1px solid rgba(159, 205, 255, .14); border-radius: 15px; background: rgba(7, 30, 64, .55); }
.trust-icon { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #142700; background: var(--lime); font-size: 17px; font-weight: 900; }
.checksum-icon { color: #051d3b; background: var(--blue-light); }
.trust-row strong { display: block; font-size: 11px; }
.trust-row p { margin: 2px 0 0; color: var(--soft); font-size: 10px; }
.trust-separator { width: 1px; height: 36px; margin: 0 12px; background: var(--line); }
.help-strip { display: flex; align-items: center; gap: 19px; margin-bottom: 72px; padding: 27px 29px; border: 1px solid rgba(107, 184, 255, .2); border-radius: 17px; background: linear-gradient(110deg, rgba(12, 57, 107, .56), rgba(8, 31, 66, .68)); }
.help-mark { width: 38px; height: 38px; display: grid; flex: 0 0 auto; place-items: center; border: 1px solid rgba(101, 197, 255, .36); border-radius: 12px; color: var(--blue-light); font-size: 20px; font-weight: 800; }
.help-copy { flex: 1; }
.help-copy .eyebrow { margin-bottom: 7px; font-size: 9px; }
.help-copy h2 { font-size: 22px; }
.help-copy p:last-child { max-width: 780px; margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.help-copy strong { color: white; }
.text-cta { flex: 0 0 auto; color: var(--blue-light); font-size: 11px; font-weight: 850; text-decoration: none; }
.text-cta:hover { color: white; }
.text-cta span { padding-left: 5px; }
.site-footer { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #8197b7; font-size: 10px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; color: #d9e6f7; font-size: 11px; font-weight: 750; }
.footer-brand img { display: block; border-radius: 10px; }
.site-footer p { margin: 0; }
.site-footer small { font-size: 10px; }

@media (max-width: 900px) {
  .hero { min-height: 0; grid-template-columns: 1fr .72fr; gap: 25px; padding: 66px 0 70px; }
  .art-orbit-one { width: 310px; }
  .art-orbit-two { width: 270px; }
  .art-caption { right: -4px; }
  .download-grid { grid-template-columns: 1fr 1fr; }
  .card-featured { grid-column: 1 / -1; }
  .card-featured .feature-list { grid-template-columns: 1fr 1fr; column-gap: 20px; }
}
@media (max-width: 650px) {
  .site-header, main, .site-footer { width: min(100% - 34px, 1160px); }
  .site-header { min-height: 78px; }
  .brand-icon { width: 42px; height: 42px; }
  .brand-copy strong { font-size: 14px; }
  .header-release { font-size: 8px; letter-spacing: .08em; }
  .hero { grid-template-columns: 1fr; padding: 54px 0 60px; }
  h1 { font-size: clamp(48px, 12vw, 68px); }
  .hero-description { font-size: 15px; }
  .hero-art { min-height: 310px; }
  .art-icon-wrap { width: 220px; }
  .art-orbit-one { width: 310px; height: 165px; }
  .art-orbit-two { width: 250px; height: 280px; }
  .art-caption { right: 2px; bottom: 5px; }
  .download-section { padding: 16px 0 58px; }
  .section-intro { display: block; }
  .section-description { margin-top: 14px; }
  .download-grid { grid-template-columns: 1fr; }
  .card-featured { grid-column: auto; }
  .card-featured .feature-list { grid-template-columns: 1fr; }
  .card-description { min-height: 0; }
  .trust-row { display: grid; grid-template-columns: 34px 1fr; gap: 12px; margin-bottom: 42px; }
  .trust-separator { display: none; }
  .help-strip { align-items: flex-start; gap: 13px; margin-bottom: 48px; padding: 22px; }
  .help-mark { width: 32px; height: 32px; }
  .text-cta { display: none; }
  .site-footer { flex-wrap: wrap; gap: 10px 18px; padding: 20px 0; }
  .site-footer p { order: 3; width: 100%; }
}
@media (max-width: 390px) {
  .site-header { gap: 9px; }
  .header-release { gap: 5px; font-size: 7px; letter-spacing: .02em; }
  .brand { gap: 8px; }
  .brand-icon { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy small { font-size: 8px; }
}
@media (max-width: 350px) {
  .release-label, .header-divider { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
