/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-light: #eff6ff;
  --font-sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    sans-serif;
  --font-mono: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-text: #f0f0f0;
    --color-text-muted: #9ca3af;
    --color-border: #2d2d2d;
    --color-primary: #60a5fa;
    --color-primary-hover: #3b82f6;
    --color-primary-light: #1e3a5f;
  }
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 4rem 0 2rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.header-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  display: block;
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Hero section */
.hero {
  padding: 4rem 0;
  text-align: center;
}

.hero h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Screenshot section */
.screenshot {
  padding: 3rem 0 4rem;
  text-align: center;
}

.demo-image {
  width: 1712px;
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .demo-image {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }
}

/* Features section */
.features {
  padding: 3rem 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.features .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.feature {
  text-align: center;
  padding: 1rem;
}

.feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Download section */
.download {
  padding: 4rem 0;
  text-align: center;
}

.download h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.version {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.alpha-notice {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
  font-weight: 500;
}

.subscribe-tagline {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.canary-info {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.canary-info p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

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

.button.primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.button.secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.button.secondary:hover {
  background: var(--color-primary-light);
}

.button .icon {
  font-size: 1.25rem;
  line-height: 1;
}

/* Newsletter form */
.embeddable-buttondown-form {
  max-width: 480px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
}

.embeddable-buttondown-form label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.embeddable-buttondown-form input[type='email'] {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.embeddable-buttondown-form input[type='email']:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.embeddable-buttondown-form input[type='submit'] {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.embeddable-buttondown-form input[type='submit']:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.embeddable-buttondown-form input[type='submit']:active {
  transform: translateY(0);
}

.embeddable-buttondown-form p {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.embeddable-buttondown-form p a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.embeddable-buttondown-form p a:hover {
  color: var(--color-text);
}

/* Footer */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 4rem;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

footer nav {
  display: flex;
  gap: 1.5rem;
}

footer nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  header h1 {
    font-size: 2.25rem;
  }

  .hero h2 {
    font-size: 1.5rem;
  }

  .download h2 {
    font-size: 1.5rem;
  }

  .download-buttons {
    flex-direction: column;
    align-items: stretch;
    max-width: 300px;
    margin: 0 auto 3rem;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  header {
    padding: 2rem 0 1.5rem;
  }

  .header-logo {
    width: 60px;
    height: 60px;
  }

  header h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .hero {
    padding: 2rem 0;
  }

  .features {
    padding: 2rem 0;
  }

  .features .container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .download {
    padding: 2rem 0;
  }
}