:root {
  --bg-primary: #ffffff;
  --text-main: #111111;
  --text-muted: #6b7280;
  --border-color: rgba(0, 0, 0, 0.08);
  
  --color-primary: #2f66e9;
  --color-primary-hover: #1d4ed8;
  --color-accent: #f57c00;
  --color-accent-hover: #e26f00;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
}

.container-xxl {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.sa-navbar {
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 16px 0;
  flex-shrink: 0;
}

.sa-navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sa-navbar-row {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.sa-navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.04em;
}

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

/* Main Content */
.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hero Section */
.hero-section {
  padding: 20px 0;
}

.text-center {
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.6;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Formats */
.formats-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.format-badge {
  padding: 8px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  background: #f9fafb;
  border: 1px solid var(--border-color);
  border-radius: 99px;
  transition: all 0.2s ease;
}

.format-badge:hover {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: var(--color-primary);
}

/* CTA */
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.hero-cta-btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.giant-cta {
  padding: 20px 60px;
  font-size: 1.25rem;
  min-width: 320px;
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 8px 16px -2px rgba(245, 124, 0, 0.25);
}

.giant-cta:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -2px rgba(245, 124, 0, 0.4);
}

/* Footer */
.sa-footer {
  flex-shrink: 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
}

.sa-footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.sa-footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Media Queries */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .giant-cta {
    padding: 16px 40px;
    font-size: 1.1rem;
    width: 100%;
  }
  html, body {
    height: auto;
    overflow: auto;
  }
  .main-content {
    padding: 60px 0;
  }
}

.features-section {
  padding: 60px 0;
  background-color: var(--surface-light);
  margin-top: 60px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.feature-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}
.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--text-dark);
}
.feature-card p {
  color: var(--text-muted);
  line-height: 1.6;
}