:root {
  --bg-0: #030713;
  --bg-1: #061022;
  --bg-2: #0a1730;
  --panel: rgba(10, 18, 38, 0.72);
  --panel-strong: rgba(10, 20, 42, 0.9);
  --panel-soft: rgba(18, 30, 58, 0.58);
  --text: #edf4ff;
  --muted: #9db1d2;
  --muted-2: #7890ba;
  --border: rgba(120, 160, 255, 0.16);
  --glow-cyan: #6ff7ff;
  --glow-blue: #72a4ff;
  --glow-violet: #9d7bff;
  --primary: linear-gradient(135deg, #6ff7ff 0%, #7aa5ff 48%, #a176ff 100%);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(125, 159, 255, 0.06), 0 0 40px rgba(77, 130, 255, 0.13);
  --radius: 22px;
  --max-width: 1220px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 15% 15%, rgba(111, 247, 255, 0.16), transparent 24%),
    radial-gradient(circle at 85% 10%, rgba(157, 123, 255, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(114, 164, 255, 0.10), transparent 32%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 55%, #040915 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(130,160,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130,160,255,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 100%);
  opacity: 0.24;
}

a { color: inherit; }

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px) saturate(140%);
  background: rgba(3, 7, 19, 0.62);
  border-bottom: 1px solid rgba(120, 160, 255, 0.10);
}

.nav-wrap,
.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.nav-wrap { padding: 16px 0; }

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 30% 30%, rgba(111,247,255,0.95), transparent 38%),
    linear-gradient(135deg, rgba(111,247,255,0.18), rgba(157,123,255,0.22));
  border: 1px solid rgba(130,160,255,0.20);
  box-shadow: 0 0 24px rgba(111,247,255,0.12);
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.brand-sub {
  display: block;
  color: var(--muted-2);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a,
.footer-links a {
  text-decoration: none;
  color: var(--muted);
}

.nav a {
  position: relative;
  padding: 10px 15px;
  border-radius: 999px;
  transition: 0.22s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: rgba(122, 165, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(122, 165, 255, 0.14);
}

.hero,
.page-main {
  padding: 82px 0 62px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 26px;
  align-items: stretch;
}

.hero-copy {
  position: relative;
  padding: 42px;
  border-radius: 30px;
  overflow: hidden;
}

.hero-copy::before,
.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
  filter: blur(28px);
  opacity: 0.65;
}

.hero-copy::before {
  width: 240px;
  height: 240px;
  right: -70px;
  top: -70px;
  background: rgba(111, 247, 255, 0.16);
}

.hero-copy::after {
  width: 220px;
  height: 220px;
  left: -60px;
  bottom: -90px;
  background: rgba(157, 123, 255, 0.14);
}

.hero-copy > * { position: relative; z-index: 1; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #d4f8ff;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 800;
  background: rgba(111, 247, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(111, 247, 255, 0.12);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-blue));
  box-shadow: 0 0 16px rgba(111,247,255,0.6);
}

h1, h2, h3 {
  margin: 0 0 14px;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3rem, 6vw, 5.35rem);
  letter-spacing: -0.045em;
  max-width: 12ch;
}

h2 { font-size: clamp(1.9rem, 3.1vw, 3rem); }
h3 { font-size: 1.15rem; }

.gradient-text {
  background: var(--primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead,
.section-heading p,
.page-hero p,
.content-block p,
.card p,
.paper-card p,
.feature-item p,
.cta-panel p,
footer p,
.metric-value,
.list-muted,
.stat-note,
.timeline p,
.demo-block p,
.muted {
  color: var(--muted);
}

.panel {
  background: linear-gradient(180deg, rgba(10, 18, 38, 0.82), rgba(7, 14, 29, 0.84));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hero-copy,
.hero-panel,
.page-hero,
.card,
.content-block,
.feature-item,
.paper-card,
.cta-panel,
.metric-card,
.demo-block,
.timeline-item {
  background: linear-gradient(180deg, rgba(10, 18, 38, 0.78), rgba(7, 14, 29, 0.86));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-radius: var(--radius);
}

.hero-panel,
.page-hero,
.card,
.content-block,
.feature-item,
.paper-card,
.cta-panel,
.metric-card,
.demo-block,
.timeline-item {
  padding: 28px;
}

.hero-panel {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 16px;
}

.orb {
  height: 170px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 45% 40%, rgba(111, 247, 255, 0.85), transparent 18%),
    radial-gradient(circle at 60% 60%, rgba(114, 164, 255, 0.72), transparent 22%),
    radial-gradient(circle at 50% 50%, rgba(157, 123, 255, 0.5), transparent 34%),
    linear-gradient(180deg, rgba(10,22,46,0.9), rgba(6,12,24,0.96));
  position: relative;
  overflow: hidden;
}

.orb::before,
.orb::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1px solid rgba(200,220,255,0.10);
}

.orb::after {
  inset: 34px;
  border-color: rgba(111,247,255,0.16);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 120px;
}

.metric-label,
.paper-meta,
.kicker {
  color: #beddff;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.72rem;
  font-weight: 800;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  margin-top: 10px;
}

.hero-actions,
.inline-actions,
.cta-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
  border: 0;
  cursor: pointer;
}

.button:hover { transform: translateY(-1px); }

.button-primary {
  background: var(--primary);
  color: #05101f;
  box-shadow: 0 16px 30px rgba(72, 129, 255, 0.24);
}

.button-secondary {
  background: rgba(110, 142, 220, 0.08);
  color: var(--text);
  border: 1px solid rgba(130, 160, 255, 0.18);
}

.text-link {
  color: #d6e4ff;
  text-decoration: none;
  font-weight: 700;
}

.text-link:hover { color: white; }

.section {
  padding: 30px 0 62px;
}

.section-heading {
  max-width: 880px;
  margin-bottom: 28px;
}

.section-heading.narrow { max-width: 720px; }

.card-grid,
.feature-list,
.stack-list,
.demo-grid,
.timeline,
.content-grid {
  display: grid;
  gap: 18px;
}

.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 22px; }
.demo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.timeline { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.full-width { grid-column: 1 / -1; }

.card {
  position: relative;
  overflow: hidden;
}

.card::before,
.page-hero::before,
.content-block::before,
.paper-card::before,
.demo-block::before,
.cta-panel::before,
.timeline-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(111,247,255,0.55), rgba(157,123,255,0.55), transparent);
}

.card > *,
.page-hero > *,
.content-block > *,
.paper-card > *,
.demo-block > *,
.cta-panel > * {
  position: relative;
  z-index: 1;
}

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: rgba(111, 247, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(111,247,255,0.10);
  color: #d9fbff;
  font-weight: 900;
}

.styled-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.styled-list li + li { margin-top: 8px; }

.callout {
  margin-top: 18px;
  padding: 14px 16px;
  background: rgba(111, 247, 255, 0.08);
  border: 1px solid rgba(111, 247, 255, 0.12);
  border-radius: 14px;
  color: var(--muted);
}

.kv {
  display: grid;
  gap: 12px;
}

.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(130,160,255,0.10);
}

.kv-row:last-child { border-bottom: 0; }

.kv-row span:last-child {
  color: var(--text);
  font-weight: 600;
  text-align: right;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-footer {
  padding: 26px 0 42px;
  border-top: 1px solid rgba(120, 160, 255, 0.10);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a:hover { color: var(--text); }

.hero-deep { padding-bottom: 36px; }
.section-tight-top { padding-top: 0; }
.section-padless-top { padding-top: 10px; }

.system-panel {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.panel-header-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-blue));
  box-shadow: 0 0 18px rgba(111,247,255,.8);
}

.compact-kv .kv-row span:last-child { text-align: right; }

.signal-bars {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  height: 74px;
  margin-top: 26px;
}

.signal-bars span {
  flex: 1;
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(180deg, rgba(111,247,255,.92), rgba(157,123,255,.75));
  box-shadow: 0 0 18px rgba(111,247,255,.22);
}

.signal-bars span:nth-child(1) { height: 32%; }
.signal-bars span:nth-child(2) { height: 55%; }
.signal-bars span:nth-child(3) { height: 84%; }
.signal-bars span:nth-child(4) { height: 64%; }
.signal-bars span:nth-child(5) { height: 92%; }

.hero-metrics-wide .metric-value { font-size: .98rem; }

.card-glow {
  position: relative;
  overflow: hidden;
}

.card-glow::after {
  content: "";
  position: absolute;
  inset: auto -20% -45% auto;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111,247,255,.18), transparent 65%);
  pointer-events: none;
}

.split-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 24px;
}

.split-panel { padding: 34px; }

.accent-panel {
  background: linear-gradient(180deg, rgba(17,28,58,.88), rgba(10,18,38,.88));
}

.bullet-stack {
  display: grid;
  gap: 14px;
}

.bullet-item {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(120,160,255,.1);
  color: var(--muted);
}

.wide-timeline {
  grid-template-columns: repeat(4, minmax(0,1fr));
}

.wide-timeline.three-up {
  grid-template-columns: repeat(3, minmax(0,1fr));
}

.fields-grid {
  grid-template-columns: repeat(4, minmax(0,1fr));
}

.mini-card {
  background: linear-gradient(180deg, rgba(10,18,38,.82), rgba(7,14,29,.85));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-glow);
}

.mini-card span {
  display: block;
  font-size: .8rem;
  letter-spacing: .14em;
  color: #d6f8ff;
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 10px;
}

.mini-card p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 22px;
  margin-top: 22px;
}

.stack-card {
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(120,160,255,.1);
  border-radius: 20px;
  padding: 22px;
}

.split-band {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  padding: 34px;
}

.band-stats {
  display: grid;
  gap: 14px;
}

.band-stat {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(120,160,255,.1);
}

.band-stat span {
  display: block;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .74rem;
  margin-bottom: 8px;
}

.band-stat strong { font-size: 1rem; }

.paper-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 20px;
}

.paper-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(122,165,255,.08);
  box-shadow: inset 0 0 0 1px rgba(122,165,255,.14);
  color: #d9e6ff;
  font-size: .86rem;
}

.link-status-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}

.link-status {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(120,160,255,.1);
}

.link-status strong {
  display: block;
  margin-bottom: 6px;
}

.link-status span {
  color: var(--muted);
  font-size: .94rem;
}

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

.strong-callout {
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px solid rgba(111,247,255,.18);
  background: linear-gradient(180deg, rgba(15,27,57,.9), rgba(9,17,34,.92));
  color: var(--text);
}

.diagram-panel {
  background: rgba(10,18,38,.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: auto;
  margin-top: 28px;
}

.system-diagram {
  font-family: "Courier New", monospace;
  font-size: 14px;
  line-height: 1.45;
  color: #b8c5ff;
  white-space: pre;
}

.checksum-box {
  margin-top: 18px;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid rgba(120,160,255,.15);
  background: rgba(10,18,38,.65);
}

.checksum-box code {
  display: block;
  margin-top: 6px;
  font-family: monospace;
  word-break: break-all;
  color: #b8c5ff;
}

/* Bug report popup */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 20, 0.74);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 200;
}

.modal-overlay:target {
  display: flex;
}

.modal-card {
  width: min(620px, 100%);
  background: linear-gradient(180deg, rgba(10, 18, 38, 0.94), rgba(7, 14, 29, 0.96));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  padding: 30px;
  position: relative;
}

.modal-card h2 {
  margin-bottom: 12px;
}

.modal-card p {
  color: var(--muted);
  margin-bottom: 14px;
}

.modal-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(120,160,255,.14);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  word-break: break-word;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  text-decoration: none;
  color: var(--text);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(120,160,255,.14);
  font-size: 1.1rem;
  line-height: 1;
}

.modal-close:hover,
.modal-email:hover {
  box-shadow: inset 0 0 0 1px rgba(122,165,255,.14);
  background: rgba(122,165,255,.08);
}

@media (max-width: 1080px) {
  .hero-grid,
  .four-up,
  .feature-list,
  .content-grid,
  .demo-grid,
  .timeline,
  .cta-panel,
  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .split-panel-grid,
  .stack-grid,
  .split-band,
  .wide-timeline,
  .wide-timeline.three-up,
  .fields-grid,
  .two-strong {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--max-width), calc(100% - 24px));
  }

  .nav-wrap,
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .page-main {
    padding-top: 42px;
  }

  .hero-copy,
  .hero-panel,
  .page-hero,
  .card,
  .content-block,
  .feature-item,
  .paper-card,
  .cta-panel,
  .metric-card,
  .demo-block,
  .timeline-item {
    padding: 22px;
  }

  h1 { max-width: 100%; }

  .modal-card {
    padding: 24px;
  }
}

.footer-note{
  margin-top:10px;
  color:var(--muted-2);
  font-size:.92rem;
  line-height:1.5;
}

.footer-note a{
  color:#d6e4ff;
  text-decoration:none;
  font-weight:700;
}

.footer-note a:hover{
  color:var(--text);
}