:root {
  --bg: #070a14;
  --text: #eef2ff;
  --muted: #94a3b8;
  --primary: #6ea8fe;
  --accent: #3fa6a3;
  --accent-soft: rgba(63, 166, 163, 0.18);
  --good: #4ade80;
  --border: rgba(255, 255, 255, 0.1);
  --radius: 18px;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, sans-serif;
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 10% 0%, #1b2b66 0%, var(--bg) 45%, #070a14 100%);
  line-height: 1.55;
}

a {
  color: inherit;
}

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(7, 10, 20, 0.75);
  border-bottom: 1px solid var(--border);
}

.landing-nav__inner,
.section-inner,
.landing-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.landing-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: #b9fffc;
  font-weight: 900;
}

.brand__title {
  font-weight: 800;
}

.brand__sub {
  color: var(--muted);
  font-size: 0.82rem;
}

.landing-nav__links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.landing-nav__links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.landing-nav__links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn--primary {
  background: linear-gradient(135deg, #3fa6a3, #2d7d7a);
  border-color: rgba(63, 166, 163, 0.5);
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.06);
}

.btn--disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.prelaunch-banner {
  margin-bottom: 20px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(63, 166, 163, 0.4);
  background: rgba(63, 166, 163, 0.12);
  color: var(--text);
  font-size: 0.92rem;
}

.prelaunch-banner a {
  color: #b9fffc;
}

.btn--waitlist {
  border-color: rgba(63, 166, 163, 0.45);
}

.btn--ghost {
  background: transparent;
}

.hero {
  padding: 72px 20px 56px;
}

.hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #b9fffc;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 16px 0 14px;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.hero__lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero__note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero__panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__panel-top {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.hero__panel-body {
  padding: 18px;
  display: grid;
  gap: 12px;
}

.mock-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  font-size: 0.92rem;
}

.mock-row span {
  color: var(--muted);
}

.mock-row b {
  color: var(--good);
}

.section {
  padding: 56px 20px;
}

.section--alt {
  background: rgba(255, 255, 255, 0.02);
  border-block: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.section__lead {
  color: var(--muted);
  max-width: 42rem;
  margin-bottom: 28px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.step {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.step__num {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: #b9fffc;
  font-weight: 800;
  margin-bottom: 12px;
}

.pricing-tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pricing-tier-col {
  display: grid;
  gap: 14px;
}

.pricing-tier-name {
  margin: 0;
  font-size: 1.3rem;
}

.pricing-tier-desc {
  margin: -6px 0 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.price-card h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--muted);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 760px;
}

.price-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.price-card--featured {
  border-color: rgba(63, 166, 163, 0.45);
  box-shadow: 0 0 0 1px rgba(63, 166, 163, 0.15), var(--shadow);
}

.price-card__badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #b9fffc;
  font-size: 0.78rem;
  font-weight: 700;
}

.price-card h3 {
  margin: 0 0 6px;
}

.price-card__amount {
  font-size: 2rem;
  font-weight: 800;
  margin: 8px 0 14px;
}

.price-card ul {
  margin: 0 0 18px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.price-card li + li {
  margin-top: 6px;
}

.faq {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.faq details {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

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

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.landing-footer {
  padding: 28px 20px 40px;
  border-top: 1px solid var(--border);
}

.landing-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 900px) {
  .hero__inner,
  .feature-grid,
  .steps,
  .pricing-grid,
  .pricing-tier-grid {
    grid-template-columns: 1fr;
  }

  .landing-nav__links a:not(.btn) {
    display: none;
  }
}