:root {
  --ink: #0b1738;
  --brand-blue: #24419a;
  --text: #f4f2ea;
  --muted: #98a6b5;
  --gold: #f4c330;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-shell { min-height: 100vh; overflow: hidden; position: relative; background: radial-gradient(circle at 83% 13%, rgba(83, 112, 190, .28) 0, transparent 28%), linear-gradient(135deg, #0a1532 0%, var(--brand-blue) 58%, #1e367c 100%); }
.network-canvas { inset: 0; opacity: .65; pointer-events: none; position: absolute; z-index: 0; }
.topbar, .hero, .concept, .footer { margin: 0 auto; max-width: 1240px; position: relative; z-index: 1; }
.topbar { align-items: center; display: flex; justify-content: space-between; padding: 31px 32px; }
.brand, .footer-copy { align-items: center; display: flex; gap: 12px; letter-spacing: .3em; font-size: 14px; font-weight: 700; }
.brand-logo { display: block; height: 29px; object-fit: contain; width: 29px; }
.topbar-status, .eyebrow { color: rgba(244, 242, 234, .76); font-size: 10px; letter-spacing: .32em; }
.topbar-status i { background: var(--gold); border-radius: 50%; display: inline-block; height: 5px; margin-left: 10px; width: 5px; }
.hero { align-items: center; display: grid; grid-template-columns: minmax(330px, .9fr) 1.1fr; min-height: 650px; padding: 36px 32px 110px; }
.hero-copy { animation: rise .9s ease both; max-width: 490px; }
.eyebrow { margin: 0 0 26px; }
.hero h1 { font-size: clamp(58px, 8vw, 102px); letter-spacing: -.065em; line-height: .91; margin: 0 0 28px; }
.hero h1 span, .hero h1 em { display: block; font-style: normal; }
.hero h1 em { color: var(--gold); }
.hero-description { color: rgba(255, 255, 255, .82); font-size: 18px; line-height: 1.55; margin: 0 0 34px; max-width: 400px; }
.signup-wrap { max-width: 470px; }
.signup-form { align-items: center; background: rgba(15, 39, 150, .5); border: 1px solid rgba(255, 255, 255, .42); border-radius: 100px; display: flex; gap: 12px; min-height: 58px; padding: 6px 7px 6px 17px; }
.signup-form > svg { color: var(--muted); flex: 0 0 auto; }
.signup-form input { background: transparent; border: 0; color: var(--text); min-width: 0; outline: 0; width: 100%; }
.signup-form input::placeholder { color: rgba(255, 255, 255, .65); }
.signup-form button { align-items: center; background: var(--gold); border: 0; border-radius: 100px; color: #13202b; cursor: pointer; display: flex; flex: 0 0 auto; font-size: 12px; font-weight: 700; gap: 10px; min-height: 44px; padding: 0 18px; transition: transform .2s, background .2s; }
.signup-form button:hover { background: #ffd453; transform: translateY(-2px); }
.signup-form button:disabled { cursor: wait; opacity: .65; }
.button-loading { display: none; }
.form-message { color: #8496a8; font-size: 11px; margin: 10px 4px 0; min-height: 14px; }
.form-message.success { color: #b8d89c; }.form-message.error { color: #eeb3a1; }
.hero-footnote { align-items: center; color: rgba(255, 255, 255, .66); display: flex; font-size: 11px; gap: 9px; margin-top: 22px; }.hero-footnote span { background: var(--gold); height: 5px; width: 5px; }
.hero-visual { height: 500px; position: relative; }
.orb { background: var(--gold); border-radius: 50%; box-shadow: 0 0 40px 8px rgba(244, 195, 48, .24); height: 9px; position: absolute; width: 9px; z-index: 2; }.orb-one { right: 20%; top: 20%; }.orb-two { bottom: 18%; left: 14%; }
.orbit { border: 1px solid rgba(244, 195, 48, .25); border-radius: 50%; height: 310px; position: absolute; right: 8%; top: 11%; transform: rotate(-21deg); width: 440px; }.orbit-two { border-color: rgba(171, 202, 222, .25); height: 370px; right: 15%; top: 3%; transform: rotate(57deg); width: 220px; }
.building { background: linear-gradient(135deg, #45677b, #122b40 64%); bottom: 15%; box-shadow: 20px 34px 50px rgba(0, 0, 0, .45); clip-path: polygon(15% 9%, 100% 0, 100% 100%, 0 100%, 0 18%); height: 300px; position: absolute; right: 23%; width: 200px; }.building::before { background: linear-gradient(90deg, rgba(5, 13, 22, .7), transparent); content: ''; inset: 0; position: absolute; }.building div { background: rgba(250, 204, 84, .82); height: 3px; left: 21%; margin-top: 54px; position: relative; width: 62%; z-index: 1; }.building div::after { background: #0b2032; content: ''; display: block; height: 20px; margin-left: 30px; margin-top: -18px; width: 16px; }
.node-card { align-items: center; backdrop-filter: blur(8px); background: rgba(22, 52, 169, .62); border: 1px solid rgba(255, 255, 255, .3); border-radius: 10px; box-shadow: 0 12px 35px rgba(17, 38, 137, .25); display: flex; gap: 10px; padding: 12px 15px; position: absolute; }.node-card strong { color: var(--gold); font-size: 14px; }.node-card span { color: rgba(255, 255, 255, .82); font-size: 10px; }.card-one { left: 8%; top: 24%; }.card-two { bottom: 19%; right: 2%; }
.scroll-cue { align-items: center; border: 1px solid rgba(244, 195, 48, .42); border-radius: 50%; bottom: 35px; color: var(--gold); display: flex; height: 40px; justify-content: center; left: 32px; position: absolute; width: 40px; }
.concept { background: linear-gradient(180deg, rgba(14, 31, 91, .2), rgba(7, 16, 45, .48)); border-top: 1px solid rgba(255, 255, 255, .16); padding: 115px 32px 130px; text-align: center; }.section-intro { margin: 0 auto 68px; max-width: 560px; }.section-intro .eyebrow { color: var(--gold); }.section-intro h2 { font-size: clamp(34px, 5vw, 56px); letter-spacing: -.04em; line-height: 1; margin: 0 0 22px; }.section-intro > p:last-child { color: rgba(255, 255, 255, .75); font-size: 16px; line-height: 1.6; margin: 0 auto; max-width: 500px; }.concept-grid { display: grid; gap: 28px; grid-template-columns: repeat(3, 1fr); margin: 0 auto; max-width: 900px; }.concept-item { animation: rise .8s both; }.concept-icon { align-items: center; border: 1px solid rgba(244, 195, 48, .8); border-radius: 50%; box-shadow: 0 0 25px rgba(244, 195, 48, .25); color: var(--gold); display: flex; height: 68px; justify-content: center; margin: 0 auto 20px; width: 68px; }.concept-item h3 { font-size: 17px; margin: 0 0 8px; }.concept-item p { color: rgba(255, 255, 255, .72); font-size: 13px; line-height: 1.5; margin: 0 auto; max-width: 190px; }
.footer { border-top: 1px solid rgba(255, 255, 255, .2); padding: 72px 32px 80px; text-align: center; }.footer-copy { justify-content: center; }.footer-copy small { color: var(--gold); font-size: 9px; letter-spacing: .36em; margin-left: 12px; }.footer > p { color: rgba(255, 255, 255, .72); font-size: 14px; margin: 18px 0 24px; }
@keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 720px) { .topbar { padding: 24px 20px; }.topbar-status { font-size: 8px; }.hero { display: block; min-height: auto; padding: 74px 20px 110px; }.hero h1 { font-size: clamp(56px, 18vw, 86px); }.hero-description { font-size: 16px; }.hero-visual { height: 340px; margin-top: 35px; }.building { bottom: 4%; height: 230px; right: 22%; width: 145px; }.orbit { height: 230px; right: -5%; top: 10%; width: 340px; }.orbit-two { height: 270px; right: 10%; }.card-one { left: 0; top: 16%; }.card-two { bottom: 6%; right: 0; }.concept { padding: 85px 20px 100px; }.concept-grid { gap: 48px; grid-template-columns: 1fr; }.footer { padding: 60px 20px; }.footer .signup-form { margin: 0 auto; }.footer-copy { flex-wrap: wrap; }}