:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0b1828;
  --surface: rgba(15, 31, 49, 0.74);
  --line: rgba(177, 214, 255, 0.14);
  --text: #f6f9fc;
  --muted: #9bacc0;
  --cyan: #67e8f9;
  --blue: #4f7cff;
  --lime: #b9f75d;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 10%, rgba(79, 124, 255, 0.15), transparent 30rem),
    radial-gradient(circle at 12% 72%, rgba(103, 232, 249, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E");
}

.topbar,
main,
footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.topbar {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.11em;
}

.brand-accent { color: var(--cyan); }

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(103, 232, 249, 0.45);
  border-radius: 10px;
  transform: rotate(45deg);
  background: linear-gradient(145deg, rgba(103, 232, 249, 0.18), rgba(79, 124, 255, 0.12));
}

.brand-mark span {
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.launch-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 16px rgba(185, 247, 93, 0.75);
  animation: pulse 2s infinite;
}

.hero {
  min-height: 680px;
  padding: 82px 0 96px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 50px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 19px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.21em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 25px;
  font-size: clamp(3.25rem, 7vw, 6.2rem);
  line-height: 0.94;
  letter-spacing: -0.062em;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(246, 249, 252, 0.68);
}

.lead {
  max-width: 590px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 23px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover { transform: translateY(-2px); }

.button-primary {
  color: #07111f;
  background: linear-gradient(110deg, var(--cyan), #93c5fd);
  box-shadow: 0 12px 40px rgba(103, 232, 249, 0.16);
}

.domain { color: var(--muted); font: 0.85rem ui-monospace, SFMono-Regular, Menlo, monospace; }

.visual {
  position: relative;
  min-height: 470px;
  display: grid;
  place-items: center;
}

.connection-card {
  position: relative;
  z-index: 2;
  width: min(100%, 354px);
  padding: 22px;
  border: 1px solid rgba(103, 232, 249, 0.22);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(15, 34, 54, 0.96), rgba(8, 20, 35, 0.88));
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.4), inset 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
}

.connection-head, .connection-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.76rem;
}

.connection-head { justify-content: flex-start; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); }

.shield { width: 160px; margin: 43px auto; filter: drop-shadow(0 0 28px rgba(103, 232, 249, 0.22)); }
.shield svg { width: 100%; fill: rgba(79, 124, 255, 0.12); stroke: var(--cyan); stroke-width: 2; }
.shield-line { fill: none; stroke: var(--lime); stroke-linecap: round; stroke-linejoin: round; stroke-width: 7; }
.secure { color: var(--lime); letter-spacing: 0.12em; font-weight: 800; }

.orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.orb-one { width: 260px; height: 260px; background: rgba(79, 124, 255, 0.16); top: 12%; right: 5%; }
.orb-two { width: 180px; height: 180px; background: rgba(103, 232, 249, 0.09); bottom: 10%; left: 3%; }

.route {
  position: absolute;
  z-index: 3;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.72rem;
}
.route::after { content: ""; position: absolute; top: 50%; width: 54px; border-top: 1px dashed rgba(103, 232, 249, 0.4); }
.route-left { left: 0; top: 48%; }
.route-left::after { left: 100%; }
.route-right { right: 0; top: 48%; }
.route-right::after { right: 100%; }

.principles { padding: 108px 0 115px; border-bottom: 1px solid var(--line); }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 60px; }
h2 { margin-bottom: 0; font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.05em; }

.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle-grid article { min-height: 245px; padding: 30px 32px 12px 0; border-right: 1px solid var(--line); }
.principle-grid article + article { padding-left: 32px; }
.principle-grid article:last-child { border-right: 0; }
.number { display: block; margin-bottom: 55px; color: var(--cyan); font: 0.74rem ui-monospace, monospace; }
h3 { margin-bottom: 13px; font-size: 1.26rem; }
.principle-grid p { max-width: 300px; color: var(--muted); font-size: 0.94rem; }

.launch {
  margin: 92px auto;
  padding: clamp(34px, 6vw, 68px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 50px;
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 30px;
  background: linear-gradient(125deg, rgba(79, 124, 255, 0.14), rgba(103, 232, 249, 0.04));
}
.launch h2 { font-size: clamp(2rem, 4.4vw, 3.8rem); }
.launch > p { margin-bottom: 5px; color: var(--muted); }

footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}
.brand-small { color: var(--text); font-size: 0.83rem; }
.brand-small .brand-mark { width: 26px; height: 26px; border-radius: 8px; }

@keyframes pulse {
  50% { opacity: 0.5; box-shadow: 0 0 4px rgba(185, 247, 93, 0.3); }
}

@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .visual { min-height: 430px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid article, .principle-grid article + article { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .principle-grid article:last-child { border-bottom: 0; }
  .number { margin-bottom: 18px; }
  .launch { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 540px) {
  .topbar, main, footer { width: min(calc(100% - 28px), var(--max)); }
  .topbar { min-height: 72px; }
  .launch-pill { font-size: 0; padding: 10px; }
  .launch-pill .pulse { display: block; }
  .hero { min-height: auto; padding: 54px 0 72px; }
  h1 { font-size: clamp(3rem, 17vw, 4.5rem); }
  .visual { min-height: 390px; }
  .connection-card { width: calc(100% - 42px); }
  .route-left { left: -4px; }
  .route-right { right: -4px; }
  .route::after { width: 28px; }
  .principles { padding: 78px 0; }
  .section-intro { display: block; }
  .launch { margin: 62px auto; padding: 30px 24px; }
  footer { min-height: 100px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}