:root {
  --cub-blue: #003F87;
  --cub-yellow: #FCD116;
  --blue-700: #002f66;
  --blue-900: #001f44;
  --text: #102236;
  --text-muted: #34485d;
  --surface: #ffffff;
  --surface-soft: #f4f8ff;
  --border: #c9d9ee;
  --focus: #0a67d0;
  --shadow: 0 10px 26px rgba(0, 63, 135, 0.12);
  --radius: 16px;
  --container: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top right, #dfe9f7 0%, #f6f9ff 45%, #fffef6 100%);
  line-height: 1.55;
}

a {
  color: var(--cub-blue);
}

a:hover {
  color: var(--blue-700);
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -48px;
  background: var(--surface);
  border: 2px solid var(--cub-blue);
  border-radius: 10px;
  padding: 8px 12px;
  z-index: 100;
}

.skip-link:focus {
  top: 8px;
}

.container {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding-inline: 20px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(0, 63, 135, 0.16);
  backdrop-filter: blur(8px);
}

.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: "Archivo Black", "Arial Black", sans-serif;
  letter-spacing: 0.01em;
}

.brand img {
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
}

.nav-links a {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  border-radius: 10px;
  padding: 8px 10px;
}

.nav-links a:hover {
  background: rgba(0, 63, 135, 0.08);
}

.hero {
  min-height: 460px;
  display: grid;
  align-items: center;
  color: #fff;
  background-image: linear-gradient(120deg, rgba(0, 31, 68, 0.88), rgba(0, 63, 135, 0.62)), var(--hero-image);
  background-size: cover;
  background-position: center;
}

.hero-content {
  padding-block: 72px;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  display: inline-block;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 11px;
  color: #0f1f32;
  background: var(--cub-yellow);
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Archivo Black", "Arial Black", sans-serif;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 3.5rem);
  margin-bottom: 10px;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin-bottom: 10px;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  margin-bottom: 8px;
}

.tagline {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.hero-support {
  margin-top: 0;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.94);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 12px;
  border: 2px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--cub-yellow);
  color: #1d1d1d;
}

.btn-primary:hover {
  background: #f0c002;
}

.btn-secondary {
  color: var(--cub-blue);
  border-color: var(--cub-blue);
  background: transparent;
}

.btn-secondary:hover {
  background: rgba(0, 63, 135, 0.08);
}

.btn-hero-secondary {
  color: #ffffff;
  border-color: #ffffff;
  background: rgba(0, 0, 0, 0.2);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.section {
  padding-block: 56px;
}

.section-alt {
  background: linear-gradient(180deg, rgba(0, 63, 135, 0.06), rgba(252, 209, 22, 0.08));
}

.section-intro {
  max-width: 70ch;
  color: var(--text-muted);
}

.card-grid {
  margin-top: 20px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.getting-started-title {
  margin-top: 34px;
}

.steps-list {
  margin: 16px 0 0;
  padding-left: 20px;
}

.steps-list li {
  margin-bottom: 7px;
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
}

.payment-card .mono {
  margin: 0;
  font-family: "Consolas", "Courier New", monospace;
  background: var(--surface-soft);
  border: 1px dashed #86a7d3;
  border-radius: 10px;
  padding: 9px 11px;
  word-break: break-word;
}

.contact-grid {
  margin-top: 20px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-card p {
  margin: 0;
}

.site-footer {
  background: var(--blue-900);
  color: #f5f8ff;
  padding-block: 22px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.site-footer .btn-secondary {
  color: #fff;
  border-color: #fff;
}

.site-footer .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.small {
  font-size: 0.88rem;
  opacity: 0.92;
}

a:focus-visible,
.btn:focus-visible,
.nav-links a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 680px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 10px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .nav-links li {
    flex: 1 1 calc(50% - 8px);
  }

  .nav-links a {
    display: block;
    text-align: center;
    border: 1px solid rgba(0, 63, 135, 0.16);
    background: rgba(255, 255, 255, 0.8);
  }

  .hero {
    min-height: 420px;
  }

  .hero-content {
    padding-block: 54px;
  }

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

@media (min-width: 900px) {
  .container {
    padding-inline: 28px;
  }

  .section {
    padding-block: 84px;
  }

  .card {
    padding: 22px;
  }
}