:root {
  --bg: #050914;
  --bg-deep: #03060d;
  --panel: #0b1322;
  --panel-2: #101a2d;
  --panel-3: #131f35;
  --line: rgba(148, 163, 184, 0.15);
  --line-strong: rgba(125, 211, 252, 0.28);
  --text: #f7fbff;
  --muted: #9aacbf;
  --soft: #cbd5e1;
  --cyan: #67e8f9;
  --blue: #60a5fa;
  --violet: #a78bfa;
  --green: #4ade80;
  --amber: #fbbf24;
  --red: #fb7185;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius: 22px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 4%, rgba(37, 99, 235, 0.11), transparent 31rem),
    radial-gradient(circle at 88% 12%, rgba(139, 92, 246, 0.08), transparent 27rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { color: #06111d; background: var(--cyan); }

.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;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #06111d;
  background: var(--cyan);
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.site-shell { overflow: hidden; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section-pad { padding: 112px 0; }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled {
  background: rgba(5, 9, 20, 0.78);
  border-color: var(--line);
  backdrop-filter: blur(20px);
}
.nav-wrap {
  width: min(calc(100% - 40px), var(--container));
  min-height: 78px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.18rem;
  font-weight: 760;
  letter-spacing: -.02em;
}
.brand-mark { width: 34px; color: var(--cyan); filter: drop-shadow(0 0 14px rgba(103, 232, 249, .28)); }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav > a {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 600;
  transition: color .2s ease;
}
.primary-nav > a:hover, .primary-nav > a:focus-visible { color: var(--text); }
.primary-nav .nav-cta {
  padding: 10px 16px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(103, 232, 249, .05);
}
.nav-toggle { display: none; }

.hero {
  position: relative;
  min-height: 940px;
  padding-top: 176px;
  background:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(transparent, var(--bg));
  pointer-events: none;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .2; pointer-events: none; }
.hero-glow-one { width: 430px; height: 430px; left: -100px; top: 170px; background: #2563eb; }
.hero-glow-two { width: 390px; height: 390px; right: -80px; top: 190px; background: #7c3aed; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .88fr 1.2fr; gap: 65px; align-items: center; }
.hero-copy { padding-bottom: 50px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--cyan);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.pulse-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(74, 222, 128, .08); }
.pulse-dot::after { content: ""; position: absolute; inset: -5px; border: 1px solid rgba(74, 222, 128, .5); border-radius: inherit; animation: pulse 2s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.55); opacity: 1; } 100% { transform: scale(1.7); opacity: 0; } }
.hero h1 {
  max-width: 720px;
  margin: 20px 0 24px;
  font-size: clamp(3.7rem, 6.4vw, 6.7rem);
  line-height: .92;
  letter-spacing: -.07em;
}
.hero h1 span { color: transparent; background: linear-gradient(100deg, #ffffff 5%, var(--cyan) 46%, var(--violet) 100%); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 640px; margin: 0; color: var(--soft); font-size: 1.12rem; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: .92rem;
  font-weight: 750;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: #06111d; background: linear-gradient(135deg, #a5f3fc, #67e8f9 45%, #60a5fa); box-shadow: 0 14px 35px rgba(34, 211, 238, .19); }
.button-primary:hover, .button-primary:focus-visible { box-shadow: 0 18px 42px rgba(34, 211, 238, .3); }
.button-secondary { color: var(--text); border-color: var(--line); background: rgba(255,255,255,.035); }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--line-strong); background: rgba(255,255,255,.06); }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; color: var(--muted); font-size: .75rem; }
.trust-row span { display: inline-flex; align-items: center; gap: 6px; }
.trust-row svg { width: 15px; fill: none; stroke: var(--green); stroke-width: 2; }

.hero-visual { position: relative; perspective: 1600px; }
.dashboard-window {
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, .19);
  border-radius: 20px;
  background: #08111f;
  box-shadow: 0 50px 100px rgba(0,0,0,.48), 0 0 0 1px rgba(125, 211, 252, .03) inset;
  transform: rotateY(-4deg) rotateX(2deg);
}
.window-topbar { height: 47px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.window-brand { display: flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 750; }
.window-brand svg { width: 18px; fill: none; stroke: var(--cyan); stroke-width: 1.8; }
.window-status { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .63rem; }
.window-status span { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px rgba(74,222,128,.8); }
.dashboard-body { min-height: 490px; display: grid; grid-template-columns: 48px 1fr; }
.dash-sidebar { padding-top: 18px; display: flex; align-items: center; flex-direction: column; gap: 18px; border-right: 1px solid var(--line); background: rgba(3,6,13,.35); }
.dash-sidebar i { width: 17px; height: 17px; border-radius: 5px; border: 1px solid rgba(148,163,184,.18); }
.dash-sidebar i.active { border-color: rgba(103,232,249,.55); background: rgba(103,232,249,.12); box-shadow: 0 0 18px rgba(103,232,249,.15); }
.dash-content { min-width: 0; padding: 15px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mini-metric { min-width: 0; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,.01)); }
.mini-metric span, .mini-metric small { display: block; color: var(--muted); font-size: .53rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-metric strong { display: block; margin: 4px 0 1px; font-size: .98rem; }
.dash-main-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(150px, .72fr); gap: 10px; margin-top: 10px; }
.map-card, .activity-card { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(145deg, rgba(255,255,255,.028), rgba(255,255,255,.008)); }
.map-card { min-width: 0; overflow: hidden; padding: 12px; }
.card-label { display: flex; align-items: center; justify-content: space-between; color: var(--soft); font-size: .58rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.card-label b { padding: 3px 6px; color: var(--cyan); border: 1px solid rgba(103,232,249,.24); border-radius: 999px; font-size: .45rem; }
.card-label b.good { color: var(--green); border-color: rgba(74,222,128,.25); }
.world-map { width: 100%; margin-top: 10px; border-radius: 8px; background: radial-gradient(circle at 20% 45%, rgba(59,130,246,.12), transparent 30%), #060d19; }
.grid-lines path { fill: none; stroke: rgba(148,163,184,.07); stroke-width: 1; }
.land-mass path { fill: rgba(103,232,249,.055); stroke: rgba(103,232,249,.16); stroke-width: 1; }
.routes path { fill: none; stroke: url(#routeGradient); stroke-width: 2.1; stroke-linecap: round; stroke-dasharray: 5 7; animation: routeFlow 5s linear infinite; opacity: .9; }
@keyframes routeFlow { to { stroke-dashoffset: -48; } }
.route-nodes circle:not(.origin-halo) { fill: var(--cyan); filter: drop-shadow(0 0 6px rgba(103,232,249,.8)); }
.route-nodes .origin { fill: var(--violet); }
.route-nodes .origin-halo { fill: url(#nodeGlow); animation: nodePulse 2.5s ease-in-out infinite; }
@keyframes nodePulse { 50% { transform: scale(1.22); transform-origin: 169px 118px; opacity: .55; } }
.map-caption { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 7px; color: var(--muted); font-size: .49rem; }
.map-caption span { display: flex; align-items: center; gap: 4px; }
.dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.dot.violet { color: var(--violet); }.dot.cyan { color: var(--cyan); }.dot.green { color: var(--green); }
.activity-stack { display: grid; gap: 10px; grid-template-rows: 1fr auto; }
.activity-card { padding: 12px; }
.score-ring { width: 76px; height: 76px; margin: 18px auto 12px; display: grid; place-content: center; text-align: center; border-radius: 50%; background: conic-gradient(var(--green) 0 92%, rgba(255,255,255,.07) 92%); position: relative; }
.score-ring::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: #0c1626; }
.score-ring strong, .score-ring span { position: relative; z-index: 1; }
.score-ring strong { font-size: 1.15rem; line-height: 1; }.score-ring span { margin-top: 3px; color: var(--muted); font-size: .42rem; }
.activity-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; color: var(--muted); font-size: .48rem; }
.activity-card li { display: flex; align-items: center; gap: 6px; }
.activity-card li i { width: 5px; height: 5px; border-radius: 50%; }.activity-card li i.good { background: var(--green); }
.stream-card { padding: 9px; display: grid; grid-template-columns: 42px 1fr; gap: 9px; align-items: center; border: 1px solid rgba(167,139,250,.22); border-radius: 12px; background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(14,165,233,.05)); }
.poster-placeholder { height: 58px; display: grid; place-items: center; border-radius: 6px; color: white; text-align: center; font-size: .42rem; font-weight: 800; letter-spacing: .08em; background: linear-gradient(145deg, #4c1d95, #0e7490); }
.stream-card small, .stream-card strong, .stream-card span { display: block; }.stream-card small { color: var(--violet); font-size: .45rem; }.stream-card strong { font-size: .65rem; }.stream-card span { color: var(--muted); font-size: .45rem; }
.progress { height: 3px; margin-top: 7px; border-radius: 999px; background: rgba(255,255,255,.08); }.progress i { display: block; width: 58%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.floating-chip { position: absolute; z-index: 4; padding: 11px 14px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(9,18,33,.9); box-shadow: 0 18px 40px rgba(0,0,0,.32); backdrop-filter: blur(14px); }
.floating-chip small, .floating-chip strong { display: block; }.floating-chip small { color: var(--muted); font-size: .57rem; }.floating-chip strong { font-size: .72rem; }.chip-icon { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 8px; color: #06111d; font-weight: 900; background: var(--cyan); }
.floating-chip-one { left: -24px; bottom: 72px; }.floating-chip-two { right: -28px; top: 74px; }.floating-chip-two .chip-icon { background: var(--green); }

.signal-strip { position: relative; z-index: 3; border-block: 1px solid var(--line); background: rgba(255,255,255,.016); }
.signal-grid { min-height: 88px; display: grid; grid-template-columns: repeat(7, 1fr); align-items: center; gap: 20px; color: #6f8096; font-size: .7rem; font-weight: 850; letter-spacing: .12em; text-align: center; }

.section-heading { max-width: 790px; margin-bottom: 48px; }
.section-heading h2, .context-copy h2, .architecture-copy h2, .faq-intro h2, .availability-panel h2 {
  margin: 15px 0 18px;
  font-size: clamp(2.35rem, 4.5vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.section-heading p, .context-copy > p, .architecture-copy > p, .faq-intro p, .availability-panel p { color: var(--muted); font-size: 1.03rem; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { position: relative; overflow: hidden; min-height: 300px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(150deg, rgba(255,255,255,.038), rgba(255,255,255,.012)); }
.feature-card::after { content: ""; position: absolute; width: 210px; height: 210px; right: -90px; top: -90px; border-radius: 50%; background: rgba(59,130,246,.08); filter: blur(18px); }
.feature-card-large { grid-column: 1 / -1; min-height: 420px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.feature-icon { width: 45px; height: 45px; margin-bottom: 24px; display: grid; place-items: center; border: 1px solid rgba(103,232,249,.2); border-radius: 12px; color: var(--cyan); background: rgba(103,232,249,.07); }
.feature-icon svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card-kicker { color: var(--cyan); font-size: .68rem; font-weight: 850; text-transform: uppercase; letter-spacing: .11em; }
.feature-card h3 { max-width: 600px; margin: 12px 0 12px; font-size: 1.55rem; line-height: 1.18; letter-spacing: -.03em; }
.feature-card-large h3 { font-size: clamp(2rem, 3vw, 3rem); }
.feature-card p { margin: 0; color: var(--muted); }
.connection-list { position: relative; z-index: 2; display: grid; gap: 10px; }
.connection-list > div { padding: 14px; display: grid; grid-template-columns: 12px 1fr auto; align-items: center; column-gap: 10px; border: 1px solid var(--line); border-radius: 12px; background: rgba(3,7,15,.45); }
.connection-list strong, .connection-list small { display: block; grid-column: 2; }.connection-list strong { font-size: .8rem; }.connection-list small { color: var(--muted); font-size: .65rem; }.connection-list b { grid-column: 3; grid-row: 1 / span 2; padding: 5px 8px; border-radius: 999px; color: var(--soft); background: rgba(255,255,255,.05); font-size: .55rem; }
.connection-orb { grid-column: 1; grid-row: 1 / span 2; width: 8px; height: 8px; border-radius: 50%; box-shadow: 0 0 12px currentColor; }.connection-orb.violet { color: var(--violet); background: currentColor; }.connection-orb.cyan { color: var(--cyan); background: currentColor; }.connection-orb.amber { color: var(--amber); background: currentColor; }

.context-section { background: linear-gradient(180deg, rgba(15,23,42,.32), transparent); }
.context-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 75px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; color: var(--soft); }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 800; }
.investigation-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(150deg, rgba(19,31,53,.9), rgba(8,17,31,.95)); box-shadow: var(--shadow); }
.investigation-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.investigation-head > div { display: grid; grid-template-columns: 10px 1fr; column-gap: 10px; align-items: center; }.investigation-head strong, .investigation-head small { grid-column: 2; }.investigation-head strong { font-size: 1rem; }.investigation-head small { color: var(--muted); font-size: .68rem; }.investigation-head > b { padding: 5px 9px; color: var(--green); border: 1px solid rgba(74,222,128,.25); border-radius: 999px; font-size: .58rem; }
.status-beacon { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(74,222,128,.8); }
.investigation-grid { margin: 24px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.investigation-grid > div { padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.02); }.investigation-grid span, .investigation-grid strong { display: block; }.investigation-grid span { color: var(--muted); font-size: .62rem; }.investigation-grid strong { margin-top: 3px; font-size: .82rem; }
.investigation-progress > div { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); font-size: .69rem; }.investigation-progress strong { color: var(--soft); }.investigation-progress > i { height: 6px; margin-top: 9px; display: block; border-radius: 999px; background: rgba(255,255,255,.07); }.investigation-progress > i b { display: block; width: 38%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.evidence-note { margin-top: 22px; padding: 14px; display: flex; gap: 11px; align-items: flex-start; border: 1px solid rgba(103,232,249,.16); border-radius: 12px; color: var(--muted); background: rgba(103,232,249,.04); font-size: .7rem; }.evidence-note svg { flex: 0 0 20px; width: 20px; fill: none; stroke: var(--cyan); stroke-width: 1.7; }

.security-section { position: relative; background: #06101d; }
.security-section::before { content: ""; position: absolute; inset: 0; opacity: .3; background-image: radial-gradient(rgba(103,232,249,.11) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent); }
.security-section .container { position: relative; z-index: 1; }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.security-card { min-height: 260px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: rgba(7,16,31,.72); backdrop-filter: blur(10px); }
.security-card > span { color: var(--cyan); font-size: .66rem; font-weight: 850; letter-spacing: .12em; }.security-card h3 { margin: 48px 0 10px; font-size: 1.1rem; }.security-card p { margin: 0; color: var(--muted); font-size: .88rem; }
.boundary-note { margin-top: 18px; padding: 19px 22px; display: flex; gap: 14px; align-items: center; border: 1px solid rgba(251,191,36,.17); border-radius: 14px; background: rgba(251,191,36,.045); }.boundary-note p { margin: 0; color: var(--muted); font-size: .83rem; }.boundary-note strong { color: var(--soft); }.boundary-icon { flex: 0 0 30px; width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid rgba(251,191,36,.28); border-radius: 50%; color: var(--amber); font-weight: 800; }

.architecture-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; }
.architecture-points { margin-top: 34px; display: grid; gap: 14px; }
.architecture-points > div { display: grid; grid-template-columns: 65px 1fr; gap: 15px; align-items: center; }.architecture-points span { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 14px; color: var(--cyan); font-size: 1.1rem; font-weight: 800; background: rgba(103,232,249,.05); }.architecture-points p { margin: 0; color: var(--muted); font-size: .82rem; }.architecture-points strong { color: var(--soft); font-size: .9rem; }
.architecture-diagram { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(150deg, rgba(255,255,255,.03), rgba(255,255,255,.008)); }
.arch-node { position: relative; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #0b1526; text-align: center; }.arch-node span, .arch-node strong, .arch-node small { display: block; }.arch-node span { color: var(--cyan); font-size: .55rem; font-weight: 850; letter-spacing: .11em; }.arch-node strong { margin: 3px 0 1px; font-size: .9rem; }.arch-node small { color: var(--muted); font-size: .61rem; }.arch-internet { border-color: rgba(96,165,250,.25); }.arch-proxy { border-color: rgba(167,139,250,.3); }.arch-data { border-color: rgba(74,222,128,.2); }
.arch-line { height: 32px; display: grid; place-items: center; }.arch-line i { width: 1px; height: 100%; background: linear-gradient(var(--cyan), var(--violet)); }
.arch-split { position: relative; height: 38px; }.arch-split::before { content: ""; position: absolute; left: 25%; right: 25%; top: 17px; height: 1px; background: var(--line-strong); }.arch-split::after { content: ""; position: absolute; left: 50%; top: 0; width: 1px; height: 18px; background: var(--line-strong); }.arch-split i { position: absolute; top: 17px; width: 1px; height: 21px; background: var(--line-strong); }.arch-split i:first-child { left: 25%; }.arch-split i:last-child { right: 25%; }
.arch-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.use-case-section { background: linear-gradient(180deg, transparent, rgba(15,23,42,.22)); }
.use-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.use-case { min-height: 270px; padding: 28px; border-top: 1px solid var(--line-strong); background: linear-gradient(180deg, rgba(103,232,249,.04), transparent); }.use-case > span { color: var(--cyan); font-size: .7rem; font-weight: 850; }.use-case h3 { margin: 85px 0 10px; font-size: 1.3rem; }.use-case p { margin: 0; color: var(--muted); }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 45px 24px 0; cursor: pointer; list-style: none; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; right: 8px; top: 50%; width: 14px; height: 1px; background: var(--cyan); transition: transform .2s ease; }.faq-list summary span::after { transform: rotate(90deg); }.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { margin: -4px 0 24px; padding-right: 40px; color: var(--muted); font-size: .9rem; }

.availability-section { padding-top: 40px; }
.availability-panel { position: relative; overflow: hidden; padding: 60px; display: flex; align-items: center; justify-content: space-between; gap: 50px; border: 1px solid var(--line-strong); border-radius: 28px; background: linear-gradient(135deg, rgba(37,99,235,.13), rgba(139,92,246,.11) 48%, rgba(6,182,212,.08)); }
.availability-panel > * { position: relative; z-index: 2; }.availability-panel > div:not(.availability-glow) { max-width: 720px; }.availability-panel h2 { margin-top: 12px; font-size: clamp(2.1rem, 4vw, 3.7rem); }.availability-panel p { margin-bottom: 0; }
.availability-glow { position: absolute; width: 360px; height: 360px; right: -90px; top: -160px; border-radius: 50%; background: rgba(103,232,249,.13); filter: blur(25px); }

.site-footer { padding: 75px 0 28px; border-top: 1px solid var(--line); background: var(--bg-deep); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding-bottom: 55px; }.footer-brand { margin-bottom: 16px; }.footer-grid > div > p { max-width: 380px; color: var(--muted); }.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }.footer-links div { display: grid; align-content: start; gap: 11px; }.footer-links strong { margin-bottom: 5px; font-size: .78rem; }.footer-links a { color: var(--muted); font-size: .82rem; }.footer-links a:hover { color: var(--text); }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #66768a; font-size: .72rem; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--delay, 0ms); }
.js .reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { max-width: 790px; padding-bottom: 0; }
  .hero-visual { width: min(100%, 850px); margin-inline: auto; }
  .floating-chip-one { left: 10px; }.floating-chip-two { right: 10px; }
  .security-grid { grid-template-columns: repeat(2, 1fr); }
  .context-grid, .architecture-grid { gap: 50px; }
  .signal-grid { grid-template-columns: repeat(4, 1fr); padding-block: 22px; }
}

@media (max-width: 820px) {
  .section-pad { padding: 88px 0; }
  .nav-toggle { width: 42px; height: 42px; padding: 10px; display: grid; align-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: rgba(255,255,255,.03); }
  .nav-toggle span:not(.sr-only) { width: 100%; height: 1px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: 78px 0 auto; min-height: calc(100vh - 78px); padding: 35px 20px; display: none; align-items: stretch; flex-direction: column; gap: 4px; border-top: 1px solid var(--line); background: rgba(5,9,20,.98); }
  .primary-nav.open { display: flex; }
  .primary-nav > a { padding: 14px 12px; font-size: 1.05rem; }.primary-nav .nav-cta { margin-top: 10px; text-align: center; }
  .hero { padding-top: 145px; }
  .feature-card-large, .context-grid, .architecture-grid, .faq-grid { grid-template-columns: 1fr; }
  .feature-card-large { gap: 35px; }
  .context-grid, .architecture-grid, .faq-grid { gap: 45px; }
  .faq-intro { position: static; }
  .use-case-grid { grid-template-columns: 1fr; }
  .use-case { min-height: 220px; }.use-case h3 { margin-top: 55px; }
  .availability-panel { padding: 44px; align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .container, .nav-wrap { width: min(calc(100% - 28px), var(--container)); }
  .nav-wrap { min-height: 70px; }.primary-nav { inset: 70px 0 auto; }
  .hero { padding-top: 126px; background-size: 48px 48px; }
  .hero h1 { font-size: clamp(3.25rem, 17vw, 4.7rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }.button { width: 100%; }
  .trust-row { gap: 10px 16px; }
  .dashboard-window { transform: none; border-radius: 14px; }
  .dashboard-body { grid-template-columns: 32px 1fr; min-height: 390px; }.dash-sidebar { gap: 13px; }.dash-sidebar i { width: 12px; height: 12px; }
  .dash-content { padding: 9px; }.metric-grid { gap: 6px; }.mini-metric { padding: 8px; }.mini-metric small { display: none; }.mini-metric strong { font-size: .72rem; }
  .dash-main-grid { grid-template-columns: 1fr; }.activity-stack { display: none; }.map-card { padding: 8px; }
  .floating-chip { display: none; }
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }.feature-card-large { grid-column: auto; }.feature-card { min-height: auto; padding: 24px; }
  .connection-list > div { grid-template-columns: 10px 1fr; }.connection-list b { display: none; }
  .investigation-card { padding: 20px; }.investigation-grid { grid-template-columns: repeat(2, 1fr); }.investigation-progress > div { align-items: flex-start; flex-direction: column; gap: 2px; }
  .security-grid { grid-template-columns: 1fr; }.security-card { min-height: 220px; }.security-card h3 { margin-top: 34px; }
  .boundary-note { align-items: flex-start; }
  .architecture-diagram { padding: 18px; }.arch-columns { grid-template-columns: 1fr; }.arch-split { display: none; }.arch-columns .arch-node + .arch-node { margin-top: 14px; }
  .availability-panel { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }.footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Release download and private contact form */
.download-panel { align-items: stretch; }
.download-copy { max-width: 760px; }
.download-actions { min-width: 210px; display: flex; align-items: stretch; justify-content: center; flex-direction: column; gap: 12px; }
.download-button { white-space: nowrap; }
.download-note { max-width: 220px; color: var(--muted); font-size: .72rem; line-height: 1.5; text-align: center; }
.release-meta { margin-top: 27px; display: grid; grid-template-columns: repeat(3, minmax(105px, 1fr)); gap: 10px; }
.release-meta span { padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: rgba(3, 8, 18, .3); }
.release-meta small, .release-meta strong { display: block; }
.release-meta small { margin-bottom: 3px; color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .07em; }
.release-meta strong { color: var(--text); font-size: .88rem; }
.checksum-row { margin-top: 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--muted); font-size: .72rem; }
.checksum-row span { font-weight: 750; color: var(--soft); }
.checksum-row code { padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--cyan); background: rgba(3, 8, 18, .38); }
.checksum-row a { color: var(--cyan); font-weight: 700; }
.checksum-row a:hover { color: var(--text); }

.contact-section { padding-top: 45px; background: linear-gradient(180deg, transparent, rgba(37, 99, 235, .035)); }
.contact-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 75px; align-items: start; }
.contact-copy h2 { margin-top: 14px; font-size: clamp(2.35rem, 4.2vw, 3.9rem); }
.contact-copy > p { max-width: 550px; }
.contact-assurance { margin-top: 28px; display: grid; gap: 11px; color: var(--soft); font-size: .82rem; }
.contact-assurance span { display: flex; align-items: center; gap: 9px; }
.contact-assurance i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(74, 222, 128, .55); }
.contact-form { padding: 32px; border: 1px solid var(--line-strong); border-radius: 22px; background: linear-gradient(145deg, rgba(255,255,255,.038), rgba(255,255,255,.012)); box-shadow: 0 24px 65px rgba(0,0,0,.23); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-form label { display: grid; gap: 8px; margin-bottom: 17px; }
.contact-form label > span { color: var(--soft); font-size: .76rem; font-weight: 750; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 11px; color: var(--text); background: rgba(3, 8, 18, .58); font: inherit; outline: none; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.contact-form input, .contact-form select { min-height: 48px; padding: 0 13px; }
.contact-form textarea { padding: 13px; resize: vertical; min-height: 145px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: rgba(103, 232, 249, .58); background: rgba(3, 8, 18, .78); box-shadow: 0 0 0 4px rgba(103, 232, 249, .07); }
.contact-form input[aria-invalid="true"], .contact-form select[aria-invalid="true"], .contact-form textarea[aria-invalid="true"] { border-color: rgba(248, 113, 113, .7); }
.form-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-submit-row { display: flex; align-items: center; gap: 18px; }
.form-submit-row .button { min-width: 150px; }
.form-submit-row .button[disabled] { opacity: .62; cursor: wait; transform: none; }
.form-status { min-height: 21px; margin: 0; color: var(--muted); font-size: .78rem; }
.form-status.success { color: var(--green); }
.form-status.error { color: #fca5a5; }

@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .download-panel { flex-direction: column; }
  .download-actions { width: 100%; min-width: 0; }
  .download-note { max-width: none; }
}

@media (max-width: 620px) {
  .release-meta, .form-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .form-submit-row .button { width: 100%; }
  .form-status { text-align: center; }
}