:root {
  --primary: #1e3a8a;
  --primary-hover: #1e40af;
  --secondary: #3b82f6;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-main: #ffffff;
  --bg-light: #f8fafc;
  --border: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.6;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s;
}

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

.cta-nav {
  background: var(--primary);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 8px;
  transition: background 0.2s !important;
}

.cta-nav:hover {
  background: var(--primary-hover) !important;
}

/* Hero */
.hero {
  padding: 90px 24px 70px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-container {
  max-width: 860px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: #eff6ff;
  color: var(--primary);
  border: 1px solid #bfdbfe;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.25);
  transition: transform 0.15s ease, background 0.2s;
}

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

.btn-secondary {
  background: #f1f5f9;
  color: var(--text-main);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

/* Sections */
.section {
  padding: 80px 24px;
}

.bg-light {
  background: var(--bg-light);
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.card-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.archetype-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.archetype-badge {
  display: inline-block;
  background: #eff6ff;
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.archetype-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.archetype-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.archetype-example {
  background: #f8fafc;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  border: 1px dashed var(--border);
}

/* Steps */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.step-item {
  position: relative;
  background: #fff;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 16px;
}

.step-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: #0f172a;
  color: #fff;
  padding: 70px 24px 40px;
  text-align: center;
}

.footer-container {
  max-width: 700px;
  margin: 0 auto;
}

.footer h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer p {
  color: #94a3b8;
  font-size: 16px;
}

.copyright {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  font-size: 12px;
  color: #64748b;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .nav-links a:not(.cta-nav) {
    display: none;
  }
}