:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #071015;
  color: #f4fbf8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 16% 12%, rgba(32, 201, 151, 0.28), transparent 28rem),
    radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.18), transparent 30rem),
    linear-gradient(140deg, #071015 0%, #102027 48%, #121615 100%);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 16, 21, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
nav,
.actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: #6ee7b7;
  color: #071015;
  font-size: 0.78rem;
}

nav {
  gap: clamp(12px, 2vw, 24px);
  color: #c5d8d2;
  font-size: 0.94rem;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: #ffffff;
}

.hero {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.65fr);
  align-items: center;
  gap: clamp(36px, 7vw, 96px);
  padding: clamp(52px, 8vw, 112px) clamp(18px, 5vw, 72px);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 16px;
  color: #6ee7b7;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 8vw, 6.9rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.lede {
  max-width: 670px;
  color: #c9d8d3;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.68;
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  text-decoration: none;
}

.primary-action {
  background: #6ee7b7;
  color: #071015;
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f4fbf8;
}

.signal-panel {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(7, 16, 21, 0.68);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

.panel-header,
.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
}

.panel-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.panel-header span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: #6ee7b7;
  box-shadow: 0 0 24px rgba(110, 231, 183, 0.85);
}

.metric-row + .metric-row {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-row span {
  color: #a8bbb5;
}

.metric-row strong {
  text-align: right;
}

.section {
  display: grid;
  grid-template-columns: minmax(220px, 0.62fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 64px);
  padding: clamp(52px, 7vw, 92px) clamp(18px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: 0;
}

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

article {
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

article h3 {
  margin-bottom: 12px;
}

article p,
.security p {
  color: #c9d8d3;
  line-height: 1.65;
}

.security p {
  max-width: 860px;
  font-size: 1.06rem;
}

@media (max-width: 900px) {
  .hero,
  .section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 640px) {
  .site-header,
  nav {
    align-items: flex-start;
  }

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