:root {
  --background: 220 24% 7%;
  --foreground: 42 22% 92%;
  --primary: 218 36% 48%;
  --primary-foreground: 0 0% 100%;
  --secondary: 220 16% 15%;
  --muted: 218 11% 66%;
  --border: 220 12% 22%;
  --card: 220 20% 11%;
  --surface: 220 18% 9%;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 8px 22px rgba(0, 0, 0, .22);
  --shadow-md: 0 18px 46px rgba(0, 0, 0, .3);
  --shadow-lg: 0 28px 72px rgba(0, 0, 0, .38);
  --transition-fast: 160ms ease;
  --transition-smooth: 240ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
}

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: auto;
}

.section {
  padding: 88px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: hsla(var(--background), .86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  border-color: hsl(var(--border));
  box-shadow: var(--shadow-sm);
}

.navbar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  letter-spacing: .1em;
}

.logo img {
  display: block;
  width: 150px;
  height: auto;
}

.footer .logo img {
  width: 142px;
}

.nav-menu,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  color: hsl(var(--muted));
  font-size: .95rem;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: hsl(var(--foreground));
}

.nav-link.active:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  background: hsl(var(--primary));
  border-radius: 99px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid hsl(var(--border));
  transition: var(--transition-fast);
}

.btn-primary {
  background: hsl(var(--primary));
  color: white;
  border-color: hsl(var(--primary));
}

.btn-primary:hover {
  background: hsl(218 34% 43%);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--foreground));
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: hsl(var(--foreground));
  margin: 5px 0;
}

.hero {
  padding-top: 108px;
  background: linear-gradient(180deg, hsla(var(--primary), .07), transparent 42%);
}

.hero-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: hsl(218 28% 64%);
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: 14px;
}

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

h1 {
  font-size: clamp(2.7rem, 8vw, 5.8rem);
  line-height: .96;
  letter-spacing: -.06em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}

p {
  color: hsl(var(--muted));
}

.hero-copy p {
  font-size: 1.08rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 30px 0;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.trust-row div {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: 16px;
  background: hsla(var(--card), .76);
}

.trust-row strong {
  display: block;
  font-size: 1.25rem;
}

.trust-row span {
  font-size: .84rem;
  color: hsl(var(--muted));
}

.dashboard-image {
  width: 100%;
  display: block;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: hsl(var(--card));
}

.surface-section {
  background: hsl(var(--surface));
  border-top: 1px solid hsl(var(--border));
  border-bottom: 1px solid hsl(var(--border));
}

.section-heading {
  max-width: 660px;
  margin-bottom: 28px;
}

.cards-grid {
  display: grid;
  gap: 16px;
}

.card {
  border: 1px solid hsl(var(--border));
  background: hsl(var(--card));
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: hsl(220 16% 32%);
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: hsla(var(--primary), .1);
  color: hsl(218 30% 68%);
  font-weight: 800;
  margin-bottom: 18px;
}

.footer {
  padding: 52px 0;
  border-top: 1px solid hsl(var(--border));
  background: hsl(var(--background));
}

.footer-grid {
  display: grid;
  gap: 28px;
}

.footer a,
.footer span,
.footer p {
  display: block;
  color: hsl(var(--muted));
  margin-top: 8px;
}

.footer .logo {
  color: hsl(var(--foreground));
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: 520ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr .9fr;
  }

  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }

  .logo img {
    width: 132px;
  }

  .nav-menu {
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
  }

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

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link.active:after {
    display: none;
  }

  .trust-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 70px;
  }
}