:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080b12;
  color: #f5f7fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(83, 122, 255, 0.28), transparent 28rem),
    linear-gradient(180deg, #080b12 0%, #0d1321 100%);
}

button,
code,
pre {
  font: inherit;
}

.shell {
  width: min(100%, 46rem);
  margin: 0 auto;
  padding: 1.25rem;
}

.hero {
  padding: 2.5rem 0 1rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: #9eb2ff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.1rem, 12vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: -0.08em;
}

h2 {
  margin-bottom: 0.85rem;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.lede {
  margin-bottom: 0;
  color: #c6cfdd;
  font-size: 1.03rem;
  line-height: 1.55;
}

.card {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.15rem;
  background: rgba(14, 20, 35, 0.82);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
}

.demo-controls {
  transition: padding 0.18s ease, opacity 0.18s ease;
}

.demo-controls-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.demo-controls-label {
  margin: 0 0 0.3rem;
  color: #9eb2ff;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-controls-header h2 {
  margin-bottom: 0;
}

.demo-controls-toggle {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.35rem;
  min-height: 2.35rem;
  height: 2.35rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #f5f7fb;
  text-align: center;
}

.demo-controls-toggle span {
  color: #f5f7fb;
  font-size: 1.1rem;
  font-weight: 900;
  line-height: 1;
}

.demo-choices {
  margin-top: 0.85rem;
}

.path {
  display: block;
  overflow-wrap: anywhere;
  padding: 0.9rem;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.065);
  color: #dbe4ff;
  font-size: 0.9rem;
}

.button-grid {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

button {
  width: 100%;
  min-height: 3.25rem;
  border: 0;
  border-radius: 0.9rem;
  background: #f5f7fb;
  color: #07101f;
  font-weight: 800;
  text-align: left;
  padding: 0.85rem 1rem;
  cursor: pointer;
}

button.is-active {
  outline: 2px solid #66f0c2;
  outline-offset: 0.18rem;
  background: linear-gradient(180deg, #ffffff 0%, #dbe4ff 100%);
}

button:active {
  transform: translateY(1px);
}

.result-card {
  scroll-margin-top: 1rem;
}

.result-card:focus {
  outline: 2px solid rgba(158, 178, 255, 0.5);
  outline-offset: 0.25rem;
}

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #dbe4ff;
  font-size: 0.74rem;
  font-weight: 800;
  text-align: center;
}

.status-pill.success {
  background: rgba(63, 210, 142, 0.16);
  color: #9effce;
}

.status-pill.blocked {
  background: rgba(255, 98, 98, 0.16);
  color: #ffb4b4;
}

.timeline {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem;
  border-left: 0.25rem solid rgba(255, 255, 255, 0.24);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.055);
}

.timeline strong {
  font-size: 0.95rem;
}

.timeline span {
  color: #c6cfdd;
  font-size: 0.8rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.timeline p {
  margin: 0.2rem 0 0;
  color: #aeb9ca;
  font-size: 0.84rem;
}

.success-line {
  border-color: #3fd28e !important;
}

.fail-line {
  border-color: #ffc857 !important;
}

.blocked-line {
  border-color: #ff6262 !important;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #dbe4ff;
  font-size: 0.82rem;
  line-height: 1.55;
}

.note p {
  margin-bottom: 0;
  color: #c6cfdd;
  line-height: 1.55;
}

.is-hidden {
  display: none !important;
}

.peer-premium {
  position: relative;
  margin-top: 1.25rem;
  padding: 1.1rem;
  border: 1px solid rgba(158, 178, 255, 0.24);
  border-radius: 1.4rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgba(102, 240, 194, 0.16), transparent 20rem),
    radial-gradient(circle at 15% 80%, rgba(255, 200, 87, 0.1), transparent 18rem),
    rgba(10, 16, 31, 0.9);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.38);
}

.peer-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.13), transparent 28%, transparent 74%, rgba(158, 178, 255, 0.12));
}

.peer-premium-copy {
  position: relative;
  z-index: 2;
}

.peer-premium-copy h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.75rem, 8vw, 3.1rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.peer-premium-copy p {
  margin-bottom: 0;
  color: #d6deee;
  line-height: 1.62;
}

.mesh-card {
  position: relative;
  z-index: 2;
  margin-top: 1.2rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 1.25rem;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(83, 122, 255, 0.26), transparent 12rem),
    rgba(2, 7, 18, 0.82);
  background-size: 2.4rem 2.4rem, 2.4rem 2.4rem, auto, auto;
}

.mesh-orbital {
  position: relative;
  width: 100%;
  max-width: 32rem;
  height: 32rem;
  margin: 0 auto;
}

.mesh-ring {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(158, 178, 255, 0.28);
  border-radius: 50%;
  box-shadow: inset 0 0 2rem rgba(158, 178, 255, 0.1), 0 0 2rem rgba(102, 240, 194, 0.08);
}

.mesh-ring::before,
.mesh-ring::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(102, 240, 194, 0.18);
  border-radius: 50%;
}

.mesh-ring::after {
  inset: 38%;
  border-color: rgba(255, 200, 87, 0.16);
}

.mesh-link {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 42%;
  height: 0.18rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(102, 240, 194, 0.05), rgba(158, 178, 255, 0.95), rgba(255, 200, 87, 0.05));
  transform-origin: left center;
  animation: linkPulse 2.8s ease-in-out infinite;
}

.link-a { transform: rotate(225deg); }
.link-b { transform: rotate(270deg); animation-delay: 0.1s; }
.link-c { transform: rotate(315deg); animation-delay: 0.2s; }
.link-d { transform: rotate(180deg); animation-delay: 0.3s; }
.link-e { transform: rotate(0deg); animation-delay: 0.4s; }
.link-f { transform: rotate(135deg); animation-delay: 0.5s; }
.link-g { transform: rotate(90deg); animation-delay: 0.6s; }
.link-h { transform: rotate(45deg); animation-delay: 0.7s; }

.mesh-center,
.orbit-node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  text-align: center;
  box-shadow: 0 1rem 2.6rem rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.mesh-center {
  left: 50%;
  top: 50%;
  width: 8.5rem;
  height: 8.5rem;
  padding: 0.9rem;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(180deg, #66f0c2 0%, #9eb2ff 100%);
  color: #07101f;
  animation: centerPulse 2.8s ease-in-out infinite;
}

.orbit-node {
  width: 5.25rem;
  height: 5.25rem;
  padding: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1rem;
  background: rgba(245, 247, 251, 0.96);
  color: #07101f;
}

.mesh-center span,
.orbit-node span {
  display: block;
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.05;
  text-transform: uppercase;
  opacity: 0.72;
}

.mesh-center strong,
.orbit-node strong {
  display: block;
  margin-top: 0.16rem;
  font-size: 0.78rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.mesh-center strong {
  font-size: 1.05rem;
}

.orbit-a { left: 6%; top: 8%; }
.orbit-b { left: 50%; top: 0%; transform: translateX(-50%); }
.orbit-c { right: 6%; top: 8%; }
.orbit-d { left: 0%; top: 50%; transform: translateY(-50%); }
.orbit-e { right: 0%; top: 50%; transform: translateY(-50%); }
.orbit-f { left: 6%; bottom: 8%; }
.orbit-g { left: 50%; bottom: 0%; transform: translateX(-50%); }
.orbit-h { right: 6%; bottom: 8%; }

.peer-metrics {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.peer-metrics article {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.055);
}

.peer-metrics span {
  display: inline-flex;
  margin-bottom: 0.55rem;
  color: #66f0c2;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.peer-metrics strong {
  display: block;
  margin-bottom: 0.4rem;
  color: #f5f7fb;
  font-size: 0.98rem;
}

.peer-metrics p {
  margin: 0;
  color: #c6cfdd;
  line-height: 1.55;
}

@keyframes linkPulse {
  0%, 100% {
    opacity: 0.42;
    filter: drop-shadow(0 0 0 rgba(102, 240, 194, 0));
  }

  50% {
    opacity: 1;
    filter: drop-shadow(0 0 0.7rem rgba(102, 240, 194, 0.45));
  }
}

@keyframes centerPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(102, 240, 194, 0.28), 0 1rem 2.6rem rgba(0, 0, 0, 0.35);
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    box-shadow: 0 0 0 1.2rem rgba(102, 240, 194, 0), 0 1.3rem 3rem rgba(0, 0, 0, 0.38);
    transform: translate(-50%, -50%) scale(1.04);
  }
}

@media (min-width: 42rem) {
  .button-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .peer-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 41.99rem) {
  .peer-premium {
    padding: 1rem;
  }

  .mesh-card {
    margin-left: -0.35rem;
    margin-right: -0.35rem;
    padding: 0.75rem;
  }

  .mesh-orbital {
    height: min(86vw, 28rem);
  }

  .mesh-center {
    width: 7.2rem;
    height: 7.2rem;
  }

  .orbit-node {
    width: 4.35rem;
    height: 4.35rem;
    border-radius: 0.85rem;
  }

  .mesh-center span,
  .orbit-node span {
    font-size: 0.48rem;
  }

  .orbit-node strong {
    font-size: 0.66rem;
  }

  .mesh-center strong {
    font-size: 0.9rem;
  }
}