:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-muted: #f9fafc;
  --text: #0f172a;
  --muted: #5f6c80;
  --accent: #1f9e82;
  --accent-soft: rgba(31, 158, 130, 0.12);
  --border: #e2e8f0;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fbff 0%, #edf2f7 90%);
  color: var(--text);
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
}

main {
  display: block;
}

.nav-shell {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  z-index: 10;
}

.nav {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 22px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 15px;
}

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

.nav button {
  background: var(--text);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.pill {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero-block {
  width: min(1200px, 100%);
  margin: 48px auto;
  padding: 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  background: var(--panel);
  border-radius: 32px;
  border: 1px solid var(--border);
  padding: 48px;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
}

.hero-grid h1 {
  font-size: clamp(32px, 4vw, 52px);
  margin: 0 0 18px;
  letter-spacing: -0.5px;
}

.hero-grid p {
  font-size: 18px;
  color: #4f5d75;
  line-height: 1.6;
}

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

.btn-primary,
.btn-secondary {
  border: none;
  padding: 14px 20px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--text);
  color: white;
}

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.metric {
  background: var(--panel-muted);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
}

.metric span {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.metric strong {
  font-size: 26px;
}

.card-grid {
  width: min(1200px, 100%);
  margin: 32px auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
}

.card h3 {
  margin: 0 0 12px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  width: min(1200px, 100%);
  margin: 48px auto;
  padding: 0 32px;
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
  background: var(--panel);
  border-radius: 28px;
  border: 1px solid var(--border);
  padding: 40px;
}

.list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.list li {
  display: flex;
  gap: 10px;
  color: var(--muted);
}

.list i {
  color: var(--accent);
  margin-top: 2px;
}

.cta {
  width: min(1200px, 100%);
  margin: 40px auto 80px;
  padding: 0 32px;
}

.cta-panel {
  background: var(--text);
  color: white;
  border-radius: 26px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.cta-actions a {
  text-decoration: none;
}

.cta-actions button {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.cta-actions button:first-child {
  background: white;
  color: var(--text);
}

.cta-actions button:last-child {
  background: rgba(255, 255, 255, 0.12);
  color: white;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h4 {
  margin: 0 0 12px;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-grid a {
  color: var(--muted);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--text);
}

@media (max-width: 640px) {
  .nav {
    padding: 16px;
  }

  .nav ul {
    display: none;
  }

  .hero-grid {
    padding: 32px;
  }
}