:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --text: #172033;
  --muted: #5d6b82;
  --primary: #145cff;
  --primary-dark: #0c3db0;
  --accent: #13b88f;
  --border: #dce4f0;
  --shadow: 0 22px 60px rgba(15, 38, 87, 0.14);
  --radius: 22px;
  --max-width: 1140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

img, svg {
  max-width: 100%;
}

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

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(220, 228, 240, 0.8);
  backdrop-filter: blur(16px);
}

.navbar {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 12px 26px rgba(20, 92, 255, 0.25);
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  color: #fff !important;
  background: var(--primary);
  padding: 11px 18px;
  border-radius: 999px;
  box-shadow: 0 12px 24px rgba(20, 92, 255, 0.22);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 999px;
  transition: 0.2s ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(19, 184, 143, 0.18), transparent 30%), radial-gradient(circle at 85% 10%, rgba(20, 92, 255, 0.2), transparent 34%), linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 18px 34px rgba(20, 92, 255, 0.28);
}

.btn-secondary {
  color: var(--primary-dark);
  background: #fff;
  border: 1px solid var(--border);
}

.btn-light {
  color: var(--primary-dark);
  background: #fff;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.12);
}

.affiliate-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.card-glow {
  position: absolute;
  top: -90px;
  right: -90px;
  width: 210px;
  height: 210px;
  border-radius: 999px;
  background: rgba(19, 184, 143, 0.22);
}

.card-label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--surface-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-card h2 {
  font-size: 2.1rem;
}

.hero-card p, .benefit-card p, .step p, .section-heading p, .split-panel p, .faq-list p, .site-footer p {
  color: var(--muted);
}

.hero-card ul {
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.hero-card li {
  position: relative;
  margin: 12px 0;
  padding-left: 30px;
  font-weight: 650;
}

.hero-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 900;
}

.text-link {
  color: var(--primary);
  font-weight: 900;
}

.trust-strip {
  padding: 18px 0;
}

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

.trust-grid div {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}

.trust-grid strong, .trust-grid span {
  display: block;
}

.trust-grid span {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 82px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.benefit-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 16px 42px rgba(15, 38, 87, 0.07);
}

.icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 900;
}

.split-section {
  background: #ffffff;
}

.split-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: stretch;
}

.split-panel {
  padding: 36px;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, #102448, #145cff);
  box-shadow: var(--shadow);
}

.split-panel .eyebrow, .split-panel p {
  color: rgba(255, 255, 255, 0.82);
}

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

.step {
  display: flex;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.step span {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--primary-dark);
  background: var(--surface-soft);
  font-weight: 900;
}

.cta-band {
  padding: 72px 0;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-content p, .cta-content .eyebrow {
  color: rgba(255, 255, 255, 0.84);
}

.cta-content h2 {
  margin-bottom: 10px;
}

.narrow {
  max-width: 860px;
}

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

details {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(15, 38, 87, 0.06);
}

summary {
  padding: 20px 22px;
  cursor: pointer;
  font-weight: 850;
}

details p {
  padding: 0 22px 22px;
}

.site-footer {
  padding: 54px 0 28px;
  color: rgba(255, 255, 255, 0.78);
  background: #0c1528;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: start;
}

.footer-brand {
  color: #fff;
  margin-bottom: 14px;
}

.site-footer p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-links {
  display: grid;
  gap: 10px;
  min-width: 160px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links a {
    padding: 12px;
  }

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

  .hero {
    padding: 60px 0 54px;
  }

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

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

  .cta-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .container, .navbar {
    width: min(100% - 24px, var(--max-width));
  }

  .brand span:last-child {
    font-size: 0.95rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  .hero-actions, .btn {
    width: 100%;
  }

  .hero-card, .benefit-card, .split-panel, .step {
    padding: 22px;
  }

  .step {
    flex-direction: column;
  }

  .section {
    padding: 62px 0;
  }
}