/* Brand Colors */
:root {
  --turtletracks-primary: #4A7C59;
  --turtletracks-primary-dark: #3a6247;
  --turtletracks-primary-light: #5a8c69;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  --primary-color: #4A7C59;
  --primary-color-dark: #3a6247;
  --primary-color-light: #5a8c69;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--gray-50);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: var(--spacing-sm); }
a { color: inherit; text-decoration: none; }

a:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.py-2xl { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

.hero {
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero h1 { margin-bottom: var(--spacing-md); }

.hero p {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.screenshot {
  max-width: 280px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.screenshot img {
  width: auto;
  height: auto;
  display: block;
  max-width: 100%;
  max-height: 360px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
}

.product-hero {
  padding: var(--spacing-xl) 0;
  text-align: left;
}

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: var(--spacing-xl);
  align-items: center;
  max-width: 940px;
}

.product-hero-copy > p {
  max-width: 620px;
  margin: 0 0 var(--spacing-md);
}

.product-hero .screenshot {
  width: 190px;
  margin: 0;
}

.product-hero .screenshot img {
  max-height: 410px;
}

.hero-eyebrow {
  color: var(--primary-color-dark) !important;
  font-size: 0.875rem !important;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.features .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.features {
  padding: var(--spacing-2xl) 0;
}

.feature {
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.feature h3 { margin-bottom: var(--spacing-sm); }
.feature p { color: var(--gray-600); margin-bottom: 0; }

.header {
  background: white;
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav a {
  color: var(--gray-600);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer .container { text-align: center; }
.footer a { color: var(--gray-300); transition: color 0.2s ease; }
.footer a:hover { color: white; }

.cta {
  background: linear-gradient(135deg, var(--primary-color-light), var(--primary-color));
  color: white;
}

.cta h2 { color: white; }
.cta p { color: rgba(255, 255, 255, 0.9); font-size: 1.125rem; }
.cta a { text-decoration: underline; font-weight: 600; }

.content-section {
  padding: var(--spacing-2xl) 0;
  background: white;
}

.content-narrow { max-width: 800px; }
.content-narrow h2 { margin-top: var(--spacing-xl); }
.content-narrow h2:first-child { margin-top: 0; }
.content-narrow a { color: var(--primary-color-dark); text-decoration: underline; }

.content-list {
  margin: 0 0 var(--spacing-md) var(--spacing-md);
  padding-left: var(--spacing-sm);
}

.content-list li { margin-bottom: var(--spacing-xs); }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero p { font-size: 1.125rem; }
  .features .container { grid-template-columns: 1fr; }
  .header .container {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  .nav { flex-wrap: wrap; justify-content: center; gap: var(--spacing-xs) var(--spacing-sm); }

  .product-hero {
    padding: var(--spacing-lg) 0;
    text-align: center;
  }

  .product-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .product-hero-copy > p {
    margin-left: auto;
    margin-right: auto;
  }

  .product-hero .screenshot {
    width: 145px;
    margin: 0 auto;
  }

  .product-hero .screenshot img {
    max-height: 310px;
  }
}