:root {
  --bg: #09111f;
  --bg-deep: #050914;
  --panel: rgba(11, 26, 48, 0.76);
  --panel-strong: rgba(13, 31, 57, 0.92);
  --line: rgba(136, 204, 255, 0.18);
  --line-strong: rgba(136, 204, 255, 0.32);
  --text: #eef7ff;
  --muted: #99acc4;
  --accent: #56e0ff;
  --accent-2: #69ffa8;
  --accent-3: #ffc76b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 28px;
  --radius-sm: 18px;
  --max: 1180px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 16%, rgba(86, 224, 255, 0.12), transparent 28%),
    radial-gradient(circle at 82% 14%, rgba(105, 255, 168, 0.10), transparent 24%),
    radial-gradient(circle at 50% 110%, rgba(255, 199, 107, 0.08), transparent 32%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(125, 196, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 196, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 92%);
}

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

img {
  max-width: 100%;
}

.site-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 20px 0 48px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(4, 13, 27, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  padding: 6px;
  border: 1px solid rgba(136, 204, 255, 0.16);
  background:
    radial-gradient(circle at 30% 20%, rgba(86, 224, 255, 0.18), transparent 55%),
    rgba(7, 20, 36, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
}

.nav a {
  transition: color 160ms ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #7cc8ff);
  color: #04111d;
  border-color: transparent;
}

.button.secondary {
  background: rgba(86, 224, 255, 0.08);
}

.button.ghost {
  background: transparent;
  color: var(--muted);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  padding: clamp(24px, 5vw, 52px);
}

.hero-copy,
.hero-card {
  position: relative;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Arial Narrow", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  text-wrap: balance;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  text-wrap: balance;
}

h3 {
  font-size: clamp(1.3rem, 2.1vw, 1.75rem);
}

p,
li,
dt,
dd {
  line-height: 1.7;
}

.lede {
  margin: 18px 0 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.06rem;
}

.hero-actions,
.signal-row,
.cta-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 24px;
}

.signal-row {
  margin-top: 22px;
}

.signal-chip {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.86rem;
}

.status-card {
  position: relative;
  min-height: 100%;
  padding: 24px;
  border: 1px solid rgba(105, 255, 168, 0.14);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(86, 224, 255, 0.12), transparent 30%),
    rgba(5, 18, 34, 0.84);
}

.status-label {
  margin: 0 0 16px;
  color: var(--accent-2);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.screenshot-hero-card {
  display: grid;
  gap: 16px;
}

.hero-shot-frame,
.demo-shot {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(136, 204, 255, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0)),
    rgba(3, 12, 24, 0.92);
}

.hero-shot-frame {
  margin-left: auto;
  width: min(100%, 320px);
  padding: 10px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
}

.hero-shot-frame img,
.demo-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.hero-shot-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hero-nav-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.hero-nav-chip:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(86, 224, 255, 0.06);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
}

.status-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-grid dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.mesh-map {
  position: relative;
  height: 220px;
  margin-top: 24px;
  border: 1px solid rgba(136, 204, 255, 0.12);
  border-radius: 20px;
  background:
    radial-gradient(circle at center, rgba(86, 224, 255, 0.05), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  overflow: hidden;
}

.node,
.beam {
  position: absolute;
}

.node {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle, #dffbff 0%, var(--accent) 45%, rgba(86, 224, 255, 0.2) 100%);
  box-shadow: 0 0 24px rgba(86, 224, 255, 0.4);
}

.node.a { top: 26px; left: 34px; }
.node.b { top: 62px; right: 42px; }
.node.c { bottom: 36px; left: 28%; }
.node.d { bottom: 58px; right: 22%; }

.beam {
  height: 2px;
  background: linear-gradient(90deg, rgba(86, 224, 255, 0), rgba(86, 224, 255, 0.7), rgba(105, 255, 168, 0.75));
  transform-origin: left center;
}

.beam.one {
  top: 33px;
  left: 46px;
  width: 66%;
  transform: rotate(8deg);
}

.beam.two {
  bottom: 43px;
  left: 29%;
  width: 48%;
  transform: rotate(-4deg);
}

.beam.three {
  top: 74px;
  left: 40px;
  width: 34%;
  transform: rotate(39deg);
}

.section {
  margin-top: 32px;
}

.section-header {
  margin-bottom: 18px;
}

.card-grid,
.wallet-grid,
.demo-grid,
.detail-grid {
  display: grid;
  gap: 18px;
}

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

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

.demo-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.wallet-card,
.demo-card,
.detail-card,
.narrative-card,
.rail-card,
.cta-band,
.legal-content,
.legal-hero {
  padding: clamp(20px, 3vw, 28px);
}

.feature-kicker {
  margin: 0 0 10px;
  color: var(--accent-3);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.feature-card p:last-child,
.wallet-card p,
.demo-card p,
.narrative-card p,
.rail-step p,
.cta-band p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.demo-card {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.demo-shot {
  display: block;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(136, 204, 255, 0.14);
  border-radius: 28px 28px 0 0;
  background: rgba(3, 12, 24, 0.92);
}

.demo-shot img {
  width: 100%;
  height: auto;
  border-radius: 0;
}

.demo-copy {
  display: grid;
  gap: 8px;
  padding: 16px 16px 18px;
}

.demo-copy h3,
.demo-copy p {
  margin: 0;
}

.demo-copy h3 {
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.18;
}

.demo-copy p {
  font-size: 0.9rem;
  line-height: 1.45;
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: clamp(20px, 3vw, 24px);
}

.detail-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(105, 255, 168, 0.1);
  color: var(--accent-2);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
}

.detail-body {
  display: grid;
  gap: 10px;
}

.detail-body h3,
.detail-body p {
  margin: 0;
}

.detail-body h3 {
  font-size: clamp(1rem, 1.7vw, 1.2rem);
}

.detail-body p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.rail-card {
  display: grid;
  gap: 18px;
}

.rail-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid rgba(136, 204, 255, 0.08);
}

.rail-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.rail-index {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(86, 224, 255, 0.08);
  color: var(--accent);
  font-weight: 800;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
  padding: 20px 6px 0;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

.legal-shell {
  width: min(calc(100% - 32px), 980px);
}

.legal-hero .lede {
  margin: 8px 0 0;
}

.legal-content h2 {
  margin-top: 28px;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content ul {
  margin: 12px 0 0;
  color: var(--muted);
}

.legal-content ul {
  padding-left: 22px;
}

.legal-content a {
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero,
  .split,
  .card-grid,
  .wallet-grid,
  .demo-grid,
  .detail-list {
    grid-template-columns: 1fr;
  }

  .cta-band,
  .footer,
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    border-radius: 24px;
  }

  h1 {
    max-width: none;
  }

  .hero-shot-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body::before {
    background-size: 28px 28px;
  }

  .site-shell {
    width: min(calc(100% - 20px), var(--max));
    padding-top: 12px;
  }

  .topbar {
    position: static;
    margin-bottom: 20px;
  }

  .nav {
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero,
  .feature-card,
  .wallet-card,
  .narrative-card,
  .rail-card,
  .cta-band,
  .legal-content,
  .legal-hero {
    padding: 18px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }
}