
:root {
  --bg: #f4f6f9;
  --bg-soft: #eef3f9;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --line: rgba(34, 68, 120, 0.09);
  --line-strong: rgba(34, 68, 120, 0.14);
  --text: #162235;
  --muted: #5f6f84;
  --soft: #7a8aa0;
  --accent: #2f80ff;
  --accent-strong: #1466f3;
  --accent-soft: rgba(47, 128, 255, 0.1);
  --shadow: 0 18px 60px rgba(29, 61, 116, 0.08);
  --shadow-soft: 0 10px 30px rgba(29, 61, 116, 0.06);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
  background: #f6f8fb;
}
body {
  margin: 0;
  padding: 0;
  min-width: 320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(47,128,255,0.13), transparent 28%),
    radial-gradient(circle at top right, rgba(120,180,255,0.11), transparent 26%),
    linear-gradient(180deg, #f6f8fb 0%, #f2f5f9 42%, #edf2f7 100%);
  color: var(--text);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 1000;
  background: #ffffff;
  color: #000;
  padding: 10px 14px;
  border-radius: 12px;
}

.site-header {
  position: sticky;
  top: -1px;
  z-index: 40;
  margin-top: 0;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  background: rgba(246, 248, 251, 0.88);
  border-bottom: 1px solid rgba(34, 68, 120, 0.08);
}


.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1 1 auto;
}

.brand-icon-wrap {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(34, 68, 120, 0.08);
  background: #fff;
}

.brand-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.brand-copy strong {
  font-size: 1.18rem;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.top-nav a {
  position: relative;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 14px;
  transition: color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.top-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 8px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(47, 128, 255, 0.12), rgba(20, 102, 243, 0.92), rgba(47, 128, 255, 0.12));
  opacity: 0;
  transform: scaleX(0.42);
  transform-origin: center;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 0 0 1px rgba(34, 68, 120, 0.07);
}

.top-nav a:not(.nav-cta):hover::after,
.top-nav a:not(.nav-cta):focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.top-nav .nav-cta,
.nav-cta {
  min-height: 44px;
  color: #ffffff;
  background: linear-gradient(180deg, #3b8cff 0%, #1769f5 100%);
  border: 1px solid rgba(17, 72, 170, 0.12);
  box-shadow: 0 10px 24px rgba(47, 128, 255, 0.18);
}

.top-nav .nav-cta:hover,
.top-nav .nav-cta:focus-visible {
  color: #ffffff;
  background: linear-gradient(180deg, #4b97ff 0%, #1a71f6 100%);
  box-shadow: 0 14px 30px rgba(47, 128, 255, 0.2);
  transform: translateY(-1px);
}

.hero {
  padding: 54px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
  gap: 42px;
  align-items: start;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 7px rgba(47, 128, 255, 0.1);
}

.hero-copy h1,
.section-heading h2,
.info-panel h2,
.cta-panel h2,
.legal-hero h1 {
  margin: 14px 0 0;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  max-width: 12ch;
}

.hero-text {
  margin: 20px 0 0;
  font-size: 1.13rem;
  color: var(--text);
  max-width: 58ch;
}

.hero-subtext,
.section-heading p,
.info-panel p,
.cta-panel p,
.legal-hero p,
.feature-card p,
.device-note,
.site-footer p,
.prose p,
.prose li {
  color: var(--muted);
}

.hero-subtext {
  margin: 12px 0 0;
  max-width: 58ch;
}

.hero-copy {
  max-width: 650px;
  padding-top: 4px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-link-row {
  display: flex;
  align-items: center;
  gap: 18px 22px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color 0.22s ease, transform 0.22s ease;
}

.feature-link::after {
  content: "→";
  font-size: 1rem;
}

.feature-link:hover,
.feature-link:focus-visible {
  color: var(--accent);
  transform: translateX(1px);
}

.subtle-link {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: -0.01em;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(34, 68, 120, 0.12);
  transition: color 0.22s ease, border-color 0.22s ease;
}

.subtle-link:hover,
.subtle-link:focus-visible {
  color: var(--text);
  border-color: rgba(20, 102, 243, 0.28);
}

.hero-points,
.list-clean,
.steps {
  margin: 24px 0 0;
  padding: 0;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.hero-points li {
  color: #274262;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(34, 68, 120, 0.08);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  box-shadow: var(--shadow-soft);
}

.hero-visual {
  position: relative;
  padding-top: 6px;
}

.hero-orb {
  position: absolute;
  inset: -24px 0 auto auto;
  width: min(24vw, 280px);
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(47, 128, 255, 0.18), rgba(47, 128, 255, 0.02) 68%, transparent 72%);
  pointer-events: none;
}

.device-card,
.feature-card,
.info-panel,
.cta-panel,
.legal-card,
.legal-toc-inner {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.device-card {
  padding: 26px;
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}

.device-card::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -14%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(47, 128, 255, 0.14), transparent 62%);
  pointer-events: none;
}

.device-card-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.device-card-top img {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  border: 1px solid rgba(34, 68, 120, 0.08);
  background: #ffffff;
}

.device-card-top strong {
  display: block;
  font-size: 1.28rem;
}

.device-card-top span {
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.metric-grid > div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(239, 244, 251, 0.86);
  border: 1px solid rgba(34, 68, 120, 0.07);
}

.metric-grid span {
  display: block;
  font-size: 0.84rem;
  color: var(--soft);
}

.metric-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
  color: var(--text);
}

.device-note {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(34, 68, 120, 0.08);
}

.section {
  padding: 42px 0;
}

#features,
#how-it-works {
  scroll-margin-top: 112px;
}

.section-alt {
  padding-top: 8px;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2,
.info-panel h2,
.cta-panel h2,
.legal-hero h1 {
  font-size: clamp(2rem, 3vw, 3.15rem);
}

.feature-grid,
.split-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

.feature-card,
.info-panel,
.cta-panel,
.legal-card {
  border-radius: var(--radius-xl);
}

.feature-card {
  padding: 24px;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.14rem;
  letter-spacing: -0.03em;
}

.feature-card p {
  margin: 10px 0 0;
}

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

.info-panel {
  padding: 26px;
}

.steps,
.list-clean {
  margin-left: 1.1rem;
}

.steps li,
.list-clean li {
  margin: 10px 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(246,249,253,0.94));
}

.site-footer {
  padding: 30px 0 48px;
  border-top: 1px solid rgba(34, 68, 120, 0.08);
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(320px, 420px);
  align-items: start;
  justify-content: space-between;
  gap: 28px 56px;
}

.footer-links {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 12px;
  min-width: 0;
  padding-top: 2px;
}

.footer-links a {
  position: relative;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  line-height: 1.35;
  text-align: left;
  padding: 2px 0;
  transition: color 0.22s ease, transform 0.22s ease;
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(47, 128, 255, 0.22), rgba(20, 102, 243, 0.92));
  opacity: 0;
  transform: scaleX(0.65);
  transform-origin: left center;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent-strong);
  transform: translateX(1px);
}

.footer-links a:hover::after,
.footer-links a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.footer-brand {
  justify-self: end;
  width: 100%;
  max-width: 420px;
  display: grid;
  gap: 8px;
  align-content: start;
  justify-items: end;
  text-align: right;
}

.footer-brand strong {
  display: inline-block;
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.footer-brand p {
  margin: 0;
  max-width: 420px;
  color: var(--muted);
}

.legal-main {
  padding-bottom: 20px;
}

.legal-hero {
  padding: 42px 0 8px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 104px;
}

.legal-toc-inner {
  border-radius: var(--radius-lg);
  padding: 20px;
  background: rgba(255,255,255,0.72);
}

.legal-toc-inner a {
  display: block;
  color: var(--muted);
  padding: 8px 0;
  border-bottom: 1px solid rgba(34, 68, 120, 0.06);
}

.legal-toc-inner a:last-child {
  border-bottom: 0;
}

.legal-toc-inner a:hover,
.legal-toc-inner a:focus-visible {
  color: var(--accent-strong);
}

.legal-toc-inner .toc-sub {
  padding-left: 14px;
  color: var(--soft);
}

.legal-card {
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.84);
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.prose h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 12px;
}

.prose h2 {
  font-size: 1.5rem;
  margin: 32px 0 12px;
  scroll-margin-top: 110px;
}

.prose h3 {
  font-size: 1.18rem;
  margin: 24px 0 10px;
  scroll-margin-top: 110px;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 16px;
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose strong {
  color: var(--text);
}

.prose a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-color: rgba(47, 128, 255, 0.35);
  text-underline-offset: 3px;
}

@media (max-width: 1024px) {
  .hero-grid,
  .feature-grid,
  .split-grid,
  .legal-layout,
  .footer-shell,
  .cta-panel {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .legal-toc {
    position: static;
  }

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

  .cta-panel {
    align-items: flex-start;
  }
}

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

  .nav-shell {
    min-height: 74px;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
  }

  .brand {
    gap: 12px;
  }

  .brand-icon-wrap {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .brand-copy strong {
    font-size: 1.12rem;
  }

  .top-nav {
    width: auto;
    gap: 0;
    justify-content: flex-end;
  }

  .top-nav a:first-child {
    display: none;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-copy h1 {
    font-size: clamp(2.35rem, 12vw, 3.7rem);
    max-width: none;
  }

  .hero-text {
    font-size: 1.02rem;
  }

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

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

  .hero-link-row {
    gap: 14px 18px;
  }

}

.primary-button.compact img {
  width: 190px;
}



@media (max-width: 760px) {
  .footer-shell {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-links,
  .footer-brand {
    justify-self: start;
    width: 100%;
    max-width: none;
  }

  .footer-brand {
    justify-items: start;
    text-align: left;
  }

  .footer-links a {
    white-space: normal;
    justify-content: flex-start;
    text-align: left;
  }
}
