/* src/styles/tokens.css */
:root {
  --bg: #fafafa;
  --bg-card: #fff;
  --bg-hover: #f5f5f5;
  --bg-drop: #f8faf8;
  --border: #e8e8e8;
  --border-hover: #d0d0d0;
  --text-primary: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-tertiary: #9b9b9b;
  --accent: #2d8a56;
  --accent-light: #e8f5ee;
  --accent-hover: #247045;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 100px;
}

/* src/styles/global.css */
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  z-index: 100;
  justify-content: space-between;
  align-items:  center;
  padding: 20px 48px;
  top: 0;
}

.nav-logo-wrap {
  display: flex;
  align-items:  center;
  gap: 8px;
}

.nav-logo {
  color: var(--text-primary);
  letter-spacing: -.02em;
  font-size: 18px;
  font-weight: 600;
}

.nav-logo-dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color .15s;
  font-size: 14px;
  font-weight: 400;
}

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

.nav-badge {
  display: inline-flex;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: var(--radius-full);
  align-items:  center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
}

.hero {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 100px 48px 80px;
}

.hero-badge {
  display: inline-flex;
  color: var(--accent);
  background: var(--accent-light);
  border-radius: var(--radius-full);
  align-items:  center;
  gap: 8px;
  margin-bottom: 32px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
}

.hero-title {
  letter-spacing: -.035em;
  color: var(--text-primary);
  margin-bottom: 20px;
  font-size: 52px;
  font-weight: 600;
  line-height: 1.08;
}

.hero-subtitle {
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.65;
}

.hero-tagline {
  color: var(--text-tertiary);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 500;
}

.hero-built-by {
  color: var(--text-tertiary);
  margin-top: 20px;
  font-size: 14px;
}

.hero-built-by a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.tools-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px 100px;
}

.tools-label {
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 500;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  gap: 1px;
}

.tool-card {
  background: var(--bg-card);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  padding: 32px;
  transition: background .15s;
}

.tool-card:hover {
  background: var(--bg-hover);
}

.tool-card.disabled {
  cursor: default;
  opacity: .55;
}

.tool-card-icon {
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  color: var(--accent);
  justify-content: center;
  align-items:  center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}

.tool-card.disabled .tool-card-icon {
  background: var(--bg-hover);
  color: var(--text-tertiary);
}

.tool-card-title {
  letter-spacing: -.01em;
  display: flex;
  align-items:  center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
}

.tool-card-desc {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.coming-soon-badge {
  color: var(--text-tertiary);
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  letter-spacing: .02em;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 500;
}

.privacy-section {
  border-top: 1px solid var(--border);
  text-align: center;
  background: var(--bg-card);
  padding: 80px 48px;
}

.privacy-title {
  letter-spacing: -.03em;
  margin-bottom: 16px;
  font-size: 32px;
  font-weight: 600;
}

.privacy-subtitle {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 48px;
  font-size: 16px;
  line-height: 1.65;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 720px;
  margin: 0 auto;
}

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

.privacy-icon {
  background: var(--accent-light);
  display: flex;
  color: var(--accent);
  border-radius: 50%;
  justify-content: center;
  align-items:  center;
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
}

.privacy-item-title {
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}

.privacy-item-desc {
  color: var(--text-secondary);
  margin: 0;
  font-size: 13px;
}

.superdoc-section {
  border-top: 1px solid var(--border);
  text-align: center;
  background: var(--bg);
  padding: 64px 48px;
}

.superdoc-desc {
  color: var(--text-tertiary);
  max-width: 480px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.65;
}

.superdoc-desc a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.footer {
  border-top: 1px solid var(--border);
  display: flex;
  color: var(--text-tertiary);
  justify-content: space-between;
  align-items:  center;
  padding: 32px 48px;
  font-size: 13px;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 24px;
}

@media (max-width: 768px) {
  .nav {
    padding: 16px 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-badge {
    padding: 5px 10px;
    font-size: 11px;
  }

  .hero {
    padding: 64px 20px 56px;
  }

  .hero-badge {
    margin-bottom: 24px;
    padding: 6px 14px;
    font-size: 12px;
  }

  .hero-title {
    letter-spacing: -.03em;
    font-size: 32px;
  }

  .hero-subtitle {
    margin-bottom: 28px;
    font-size: 16px;
  }

  .tools-section {
    padding: 0 20px 64px;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .tool-card {
    padding: 24px;
  }

  .privacy-section {
    padding: 56px 20px;
  }

  .privacy-title {
    font-size: 24px;
  }

  .privacy-subtitle {
    margin-bottom: 36px;
    font-size: 15px;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .superdoc-section {
    padding: 48px 20px;
  }

  .footer {
    text-align: center;
    flex-direction: column;
    gap: 16px;
    padding: 24px 20px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .nav {
    padding: 18px 32px;
  }

  .hero {
    padding: 80px 32px 64px;
  }

  .hero-title {
    font-size: 42px;
  }

  .tools-section {
    padding: 0 32px 80px;
  }

  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .privacy-section {
    padding: 64px 32px;
  }

  .privacy-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .superdoc-section {
    padding: 48px 32px;
  }

  .footer {
    padding: 28px 32px;
  }
}