:root {
  --bg: #070a12;
  --bg-soft: #0d1220;
  --card: #11182a;
  --text: #e7edf9;
  --muted: #9fabc4;
  --line: #26314a;
  --accent: #49d0ff;
  --accent-2: #61f3cf;
  --container: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -20%, #18345f 0%, transparent 40%),
    radial-gradient(circle at 90% -20%, #13403a 0%, transparent 35%),
    var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(38, 49, 74, 0.45);
  backdrop-filter: blur(14px);
  background: rgba(7, 10, 18, 0.78);
}

.nav {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-cta {
  color: var(--accent);
  font-weight: 600;
}

.hero {
  padding-top: 6rem;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
  grid-template-columns: 1.1fr 0.9fr;
}

.eyebrow {
  color: var(--accent-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  margin: 0 0 0.7rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

h3 {
  font-size: 1.1rem;
}

.subhead {
  color: var(--muted);
  max-width: 62ch;
  margin: 1.1rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  font-weight: 700;
  padding: 0.75rem 1.1rem;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04111a;
}

.btn-secondary {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}

.hero-card,
.card,
.trust-box,
.signup-wrap,
.faq-list details {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.03), transparent 40%), var(--card);
  border-radius: 1rem;
}

.hero-card {
  padding: 1.4rem;
}

.card-kicker {
  margin: 0;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 0.9rem;
}

.hero-card h2 {
  margin-top: 0.35rem;
  font-size: 1.35rem;
}

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

.hero-card ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--text);
}

.steps {
  margin-top: 1.4rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.2rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.card p,
.trust-box p,
.faq-list p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}

.feature-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.feature-list li {
  margin: 0.45rem 0;
}

.trust-box {
  padding: 1.2rem;
}

.signup-wrap {
  text-align: center;
  padding: 1.6rem;
}

.signup-wrap p {
  color: var(--muted);
  margin: 0.5rem 0 1.1rem;
}

.signup-form {
  display: flex;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
}

.signup-form input {
  min-width: min(25rem, 90vw);
  background: #0a1020;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  color: var(--text);
  padding: 0.75rem 0.9rem;
  font: inherit;
}

.signup-form input::placeholder {
  color: #7482a1;
}

.faq-list {
  margin-top: 1rem;
  display: grid;
  gap: 0.7rem;
}

.faq-list details {
  padding: 0.9rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.3rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

  .hero {
    padding-top: 4rem;
  }
}