:root {
  --bg: #0d1321;
  --bg-soft: #111a2e;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --light: #f8fafc;
  --accent: #2dd4bf;
  --accent-dark: #0f766e;
  --border: rgba(148, 163, 184, 0.22);
  --shadow: 0 24px 70px rgba(2, 6, 23, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 19, 33, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255,255,255,0.78);
  font-size: 0.95rem;
}

.nav-cta {
  background: var(--accent);
  color: #042f2e;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(45, 212, 191, 0.22), transparent 34%),
    linear-gradient(135deg, #0d1321 0%, #111827 58%, #0f172a 100%);
  min-height: 740px;
  color: #fff;
  padding: 86px 24px 96px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 48px;
  align-items: center;
}

.hero-content,
.hero-card,
.section {
  max-width: 1180px;
}

.hero-content {
  justify-self: end;
  width: 100%;
  max-width: 680px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 800;
  margin: 0 0 14px;
}

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

h1 {
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.075em;
  margin-bottom: 22px;
}

h1 span {
  color: var(--accent);
  display: block;
}

.subtitle {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.35;
  font-weight: 700;
  max-width: 660px;
  margin-bottom: 18px;
}

.hero-copy {
  color: rgba(255,255,255,0.76);
  font-size: 1.05rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 28px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background: var(--accent);
  color: #042f2e;
  box-shadow: 0 16px 40px rgba(45,212,191,0.24);
}

.secondary {
  border: 1px solid rgba(255,255,255,0.24);
  color: #fff;
}

.full {
  width: 100%;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.78);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.hero-card {
  background: rgba(255,255,255,0.97);
  color: var(--text);
  border-radius: 30px;
  padding: 34px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 430px;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-dark);
  font-weight: 800;
}

.status-dot {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(45, 212, 191, 0.18);
}

.hero-card h2 {
  font-size: 2rem;
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 16px 0 22px;
}

.hero-card ul,
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-card li,
.check-list li {
  padding: 12px 0 12px 30px;
  position: relative;
  border-bottom: 1px solid #e2e8f0;
}

.hero-card li:before,
.check-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-dark);
  font-weight: 900;
}

.section {
  margin: 0 auto;
  padding: 86px 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature,
.pricing-card,
.contact-card,
.faq details {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.06);
}

.feature {
  padding: 26px;
}

.feature h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feature p,
.muted,
.faq p,
.disclaimer p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  align-items: start;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  background: #fff;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid #e2e8f0;
}

.step span {
  background: #ccfbf1;
  color: var(--accent-dark);
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.pricing {
  display: flex;
  justify-content: center;
}

.pricing-card {
  max-width: 620px;
  padding: 38px;
}

.price {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.07em;
  margin: 12px 0;
}

.price span {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0;
}

.payment-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
}

.payment-box p {
  background: #f1f5f9;
  border-radius: 18px;
  padding: 18px;
  margin: 0;
}

.disclaimer {
  background: var(--bg);
  color: #fff;
  max-width: none;
  padding-left: max(24px, calc((100vw - 1180px) / 2));
  padding-right: max(24px, calc((100vw - 1180px) / 2));
}

.disclaimer p {
  max-width: 850px;
  color: rgba(255,255,255,0.72);
  font-size: 1.05rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq details {
  padding: 22px 24px;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 1.08rem;
}

.faq p {
  margin: 14px 0 0;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 34px;
  align-items: center;
}

.contact-card {
  padding: 28px;
  display: grid;
  gap: 14px;
}

.contact-card .secondary {
  border-color: #cbd5e1;
  color: var(--text);
}

.small {
  font-size: 0.92rem;
  color: var(--muted);
  text-align: center;
  margin: 8px 0 0;
}

footer {
  background: #08111f;
  color: rgba(255,255,255,0.66);
  text-align: center;
  padding: 30px 24px;
}

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

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

  .hero {
    padding-top: 64px;
    min-height: auto;
  }

  .hero-content {
    justify-self: start;
  }

  .hero-card {
    max-width: none;
  }

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

  .payment-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero {
    padding: 52px 18px 68px;
  }

  .section {
    padding: 64px 18px;
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .pricing-card {
    padding: 28px;
  }
}