:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.site-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.25rem;
}

.brand-logo-icon {
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.brand-highlight {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-app-cta {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  font-weight: 700;
  text-decoration: none;
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

.btn-app-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
}

.breadcrumb-bar {
  max-width: 1100px;
  margin: 1.2rem auto 0;
  padding: 0 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.breadcrumb-bar a {
  color: var(--primary);
  text-decoration: none;
}

.hero-section {
  max-width: 1100px;
  margin: 1.5rem auto 3rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-section {
    grid-template-columns: 1fr;
  }
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: #0f172a;
  margin-bottom: 1rem;
}

.lead-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-primary-large {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.hero-preview-card {
  background: #ffffff;
  border: 2px dashed #cbd5e1;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.preview-sheet-frame {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.06);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.content-section {
  max-width: 1100px;
  margin: 0 auto 3.5rem;
  padding: 0 1.5rem;
}

.grid-3-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.info-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.info-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.faq-card h4 {
  font-size: 1.1rem;
  color: #1e293b;
  margin-bottom: 0.4rem;
}

.faq-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.footer-nav {
  background: #0f172a;
  color: #94a3b8;
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-grid h5 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-grid ul {
  list-style: none;
}

.footer-grid li {
  margin-bottom: 0.6rem;
}

.footer-grid a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

.footer-grid a:hover {
  color: #60a5fa;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}