:root {
  --bg: #050711;
  --surface: #0d1224;
  --surface-alt: #131b36;
  --text: #e5ebff;
  --muted: #a7b3d6;
  --primary: #7c9dff;
  --primary-strong: #5f85ff;
  --ring: color-mix(in srgb, var(--primary) 60%, white 40%);
  --radius: 1rem;
  --shadow: 0 18px 50px rgb(0 0 0 / 30%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -5%, #1d2e72 0%, rgb(29 46 114 / 0%) 50%),
    radial-gradient(circle at 90% 0%, #442a7f 0%, rgb(68 42 127 / 0%) 40%),
    var(--bg);
  line-height: 1.6;
}

.container {
  width: min(1100px, 90vw);
  margin-inline: auto;
}

.narrow {
  width: min(760px, 90vw);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 20;
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgb(5 7 17 / 65%);
  border-bottom: 1px solid rgb(255 255 255 / 8%);
}

.nav-wrap,
.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.nav-wrap {
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  color: var(--primary);
}

.nav-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 1.2rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.hero {
  padding: clamp(3rem, 8vw, 7rem) 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.eyebrow {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 1rem;
}

.hero-text {
  color: var(--muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.75rem 1.1rem;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(130deg, var(--primary), var(--primary-strong));
  color: #0b1129;
}

.btn-secondary,
.btn-ghost {
  border-color: rgb(255 255 255 / 20%);
  color: var(--text);
  background: rgb(255 255 255 / 4%);
}

.trust-list,
.check-list {
  padding-left: 1.2rem;
}

.trust-list li,
.check-list li {
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.security-card {
  align-self: start;
  background: linear-gradient(165deg, rgb(255 255 255 / 9%), rgb(255 255 255 / 2%));
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.security-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.security-card p,
.security-card dd {
  color: var(--muted);
}

.security-card dl {
  margin: 1rem 0 0;
}

.security-card dt {
  font-weight: 600;
}

.security-card div + div {
  margin-top: 0.9rem;
}

.security-card dd {
  margin: 0.15rem 0 0;
}

.section {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}

.section-dark {
  background: rgb(255 255 255 / 3%);
  border-block: 1px solid rgb(255 255 255 / 9%);
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid rgb(255 255 255 / 9%);
  border-radius: var(--radius);
  padding: 1rem;
}

.feature-card p {
  color: var(--muted);
}

.steps {
  padding-left: 1.2rem;
  margin-bottom: 2rem;
}

.steps li + li {
  margin-top: 0.55rem;
}

.site-footer {
  border-top: 1px solid rgb(255 255 255 / 10%);
  padding: 1.2rem 0;
  color: var(--muted);
}

.site-footer a {
  color: var(--text);
}

:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

@media (width <= 900px) {
  .nav-links {
    display: none;
  }

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

  .btn-ghost {
    display: none;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}