:root {
  color-scheme: light;
  --ink: #111820;
  --muted: #546170;
  --line: #d7dde5;
  --paper: #f7f8f5;
  --white: #ffffff;
  --green: #0f6f5b;
  --blue: #2257a6;
  --red: #b6323a;
  --shadow: 0 24px 70px rgba(17, 24, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(17, 24, 32, 0.14);
}

nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  padding: 9px 12px;
  text-decoration: none;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  min-height: calc(100vh - 210px);
  padding: 48px 24px 72px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2 {
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(3.2rem, 8vw, 6.6rem);
  line-height: 0.93;
  max-width: 920px;
}

h2 {
  font-size: 1.38rem;
  line-height: 1.2;
}

.lead {
  color: var(--muted);
  font-size: clamp(1.12rem, 2.2vw, 1.35rem);
  line-height: 1.55;
  margin: 24px 0 0;
  max-width: 660px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 780;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  text-decoration: none;
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--ink);
}

.device-panel {
  background:
    linear-gradient(145deg, rgba(34, 87, 166, 0.16), rgba(15, 111, 91, 0.11)),
    var(--white);
  border: 1px solid rgba(17, 24, 32, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 22px;
  justify-items: center;
  padding: 38px 28px;
}

.app-icon {
  border-radius: 28px;
  box-shadow: 0 24px 50px rgba(17, 24, 32, 0.22);
  max-width: min(220px, 58vw);
  width: 100%;
}

.status-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 24, 32, 0.1);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  padding: 16px;
  width: min(100%, 320px);
}

.status-card small {
  color: var(--muted);
}

.status-dot {
  background: var(--red);
  border-radius: 999px;
  box-shadow: 0 0 0 6px rgba(182, 50, 58, 0.12);
  height: 10px;
  justify-self: start;
  margin-bottom: 6px;
  width: 10px;
}

.signal-list {
  color: var(--muted);
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  width: min(100%, 320px);
}

.signal-list li {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 24, 32, 0.08);
  border-radius: 8px;
  padding: 12px 14px;
}

.band {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.feature-grid,
.content-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 1160px;
  margin: 0 auto;
  padding: 1px 24px;
}

.feature-grid article,
.content-grid article {
  background: var(--white);
  padding: 34px 24px;
}

.feature-grid p,
.content-grid p,
.legal-copy p,
.truth-section p {
  color: var(--muted);
  line-height: 1.62;
}

.truth-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 36px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 72px 24px;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 44px 24px 76px;
}

.page-hero {
  border-bottom: 1px solid var(--line);
  padding-bottom: 34px;
}

.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.2rem);
}

.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 36px 0 0;
}

.content-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.legal-copy {
  max-width: 780px;
  padding-top: 32px;
}

.legal-copy h2 {
  margin-top: 32px;
}

footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  padding: 28px 24px;
}

footer a {
  font-weight: 650;
  text-decoration: none;
}

@media (max-width: 860px) {
  .site-header,
  .truth-section {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

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

@media (max-width: 520px) {
  h1 {
    font-size: 3rem;
  }

  .hero,
  .page {
    padding-inline: 18px;
  }

  .feature-grid {
    padding-inline: 18px;
  }

  .actions {
    flex-direction: column;
  }
}