:root {
  --bg: #070a12;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #1b2a44;
  --primary: #6366f1;
  --primary-bright: #818cf8;
  --accent: #22c55e;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", sans-serif;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(79, 70, 229, 0.2), transparent 60%),
    radial-gradient(900px 500px at 85% 15%, rgba(14, 165, 233, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg), #05070d);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a {
  color: var(--primary-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 16px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 23, 0.92);
  backdrop-filter: blur(10px);
}

.site-brand {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.site-brand span {
  color: var(--primary-bright);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(99, 102, 241, 0.12);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.55);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  border-color: rgba(99, 102, 241, 0.45);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.95), rgba(79, 70, 229, 0.85));
  border-color: rgba(129, 140, 248, 0.4);
  color: #f8fafc;
}

.btn--primary:hover {
  filter: brightness(1.06);
  border-color: rgba(199, 210, 254, 0.5);
}

.btn--ghost {
  background: transparent;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  padding: 48px 0 56px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(34, 197, 94, 0.35);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  background: rgba(34, 197, 94, 0.08);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(1.85rem, 4.5vw, 2.65rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero__lead {
  margin: 0 auto 28px;
  max-width: 38rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 20px;
}

.hero__note {
  font-size: 0.85rem;
  color: var(--muted);
}

.section {
  padding: 28px 0 48px;
}

.section__title {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 0 8px;
}

.section__subtitle {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 40rem;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature {
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.98), rgba(10, 16, 32, 0.92));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.feature__icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  line-height: 1;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.feature p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
}

.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  counter-reset: step;
}

.flow__step {
  position: relative;
  padding: 18px 18px 18px 52px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.45);
}

.flow__step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.25);
  color: #c7d2fe;
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow__step strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.flow__step span {
  font-size: 0.85rem;
  color: var(--muted);
}

.cta-card {
  margin: 24px 0 0;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(99, 102, 241, 0.35);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(14, 165, 233, 0.06));
  text-align: center;
}

.cta-card h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.cta-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  margin-top: 32px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }
}
