:root {
  --road-night: #060b12;
  --road-panel: #0d1724;
  --road-panel-hi: #142235;
  --road-line: rgba(98, 197, 255, 0.32);
  --road-line-soft: rgba(98, 197, 255, 0.16);
  --signal-cyan: #62c5ff;
  --signal-mint: #7affc4;
  --signal-amber: #ffbf66;
  --text-main: #f3f8ff;
  --text-sub: #bdd0e5;
  --text-muted: #8ca0b8;
  --focus-ring: rgba(122, 255, 196, 0.35);
  --max-content: 75rem;
  --radius-s: 0.6rem;
  --radius-m: 1rem;
  --radius-l: 1.5rem;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --font-display: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Avenir", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-main);
  background:
    radial-gradient(circle at 15% -10%, rgba(98, 197, 255, 0.2), transparent 36%),
    radial-gradient(circle at 85% 110%, rgba(122, 255, 196, 0.14), transparent 34%),
    var(--road-night);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  background: var(--signal-cyan);
  color: #00101f;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-s);
  z-index: 999;
}

.skip-link:focus {
  top: 1rem;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 0.125rem solid var(--focus-ring);
  outline-offset: 0.15rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(0.75rem);
  background: rgba(6, 11, 18, 0.8);
  border-bottom: 0.0625rem solid var(--road-line-soft);
}

.shell {
  width: min(100% - 2rem, var(--max-content));
  margin: 0 auto;
}

.nav-row {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 0.625rem;
}

.menu-toggle {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border-radius: var(--radius-s);
  border: 0.0625rem solid var(--road-line);
  background: var(--road-panel);
  color: var(--text-main);
}

.nav-links {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0 0 var(--space-4);
}

.nav-links.open {
  display: flex;
}

.nav-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-2);
  border-radius: var(--radius-s);
  color: var(--text-sub);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-main);
  background: rgba(98, 197, 255, 0.1);
}

main {
  padding: var(--space-6) 0 var(--space-7);
}

.hero {
  display: grid;
  gap: var(--space-5);
  align-items: center;
  margin-bottom: var(--space-6);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  color: var(--signal-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kicker::before {
  content: "";
  width: 1.2rem;
  height: 0.0625rem;
  background: currentColor;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 8vw, 3.5rem);
  letter-spacing: -0.02em;
  margin: var(--space-3) 0 var(--space-4);
}

h2 {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}

p {
  margin: 0 0 var(--space-3);
  color: var(--text-sub);
  max-width: 65ch;
}

.hero-visual,
.card,
.device-panel,
.faq-item,
.callout,
.plan,
.legal-panel,
.support-panel {
  background: linear-gradient(180deg, var(--road-panel-hi), var(--road-panel));
  border: 0.0625rem solid var(--road-line-soft);
  border-radius: var(--radius-l);
}

.hero-visual {
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -30% 40% 45% -30%;
  background: linear-gradient(160deg, rgba(98, 197, 255, 0.36), transparent);
}

.road-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.device-panel {
  min-height: 8.75rem;
  padding: var(--space-3);
  position: relative;
  overflow: hidden;
}

.device-panel::after {
  content: "";
  position: absolute;
  right: -20%;
  top: -20%;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  border: 0.0625rem dashed var(--road-line);
}

.device-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.device-value {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: var(--space-2);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.btn {
  min-height: 2.75rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 0.0625rem solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(95deg, var(--signal-cyan), var(--signal-mint));
  color: #03101a;
}

.btn-secondary {
  border-color: var(--road-line);
  background: rgba(98, 197, 255, 0.08);
  color: var(--text-main);
}

.legal-note {
  margin-top: var(--space-3);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.trust-bar {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.pill {
  border: 0.0625rem solid var(--road-line-soft);
  border-radius: 999px;
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  color: var(--text-sub);
  background: rgba(19, 32, 49, 0.6);
}

.section {
  margin-top: var(--space-6);
}

.grid {
  display: grid;
  gap: var(--space-3);
}

.card,
.plan,
.callout,
.legal-panel,
.support-panel,
.faq-item {
  padding: var(--space-4);
}

.card p,
.plan p,
.callout p,
.support-panel p {
  margin-bottom: 0;
}

.metric {
  font-family: var(--font-mono);
  color: var(--signal-mint);
  font-size: 0.875rem;
}

.split {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

.list {
  margin: var(--space-2) 0 0;
  padding-left: 1.1rem;
  color: var(--text-sub);
}

.list li {
  margin-bottom: 0.5rem;
}

.callout {
  margin-top: var(--space-6);
  text-align: center;
}

.faq-item summary {
  cursor: pointer;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  color: var(--text-main);
  font-weight: 600;
}

.faq-item[open] {
  border-color: var(--road-line);
}

.footer {
  border-top: 0.0625rem solid var(--road-line-soft);
  padding: var(--space-5) 0;
}

.footer-grid {
  display: grid;
  gap: var(--space-3);
}

.footer small {
  color: var(--text-muted);
}

.fade-up {
  opacity: 0;
  transform: translateY(0.8rem);
  transition: opacity 360ms ease, transform 360ms ease;
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 40rem) {
  .trust-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
  }
}

@media (min-width: 48rem) {
  .menu-toggle {
    display: none;
  }

  .nav-row {
    min-height: 4.6rem;
  }

  .nav-links {
    padding: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  .hero {
    grid-template-columns: 1.1fr 1fr;
  }

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

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

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

  .split.reverse > :first-child {
    order: 2;
  }
}

@media (min-width: 64rem) {
  .shell {
    width: min(100% - 3rem, var(--max-content));
  }

  .section {
    margin-top: var(--space-7);
  }
}

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

.consent-banner {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  width: min(100% - 2rem, 50rem);
  z-index: 999;
  background: linear-gradient(180deg, var(--road-panel-hi), var(--road-panel));
  border: 0.0625rem solid var(--road-line);
  border-radius: var(--radius-m);
  padding: var(--space-3);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.3);
}

.consent-banner p {
  margin-bottom: var(--space-3);
}

.consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}