:root {
  --primary: #2563eb;
  --primary-foreground: #ffffff;
  --secondary: #f1f5f9;
  --secondary-foreground: #0f172a;
  --accent: #3b82f6;
  --accent-foreground: #ffffff;
  --background: #ffffff;
  --foreground: #0f172a;
  --card: #ffffff;
  --card-foreground: #0f172a;
  --muted: #f8fafc;
  --muted-foreground: #64748b;
  --border: #e2e8f0;
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Open Sans", sans-serif;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border);
  background-color: var(--card);
  padding: 1.5rem 0;
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.tagline {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.badge {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Hero Section */
.hero {
  background: linear-gradient(to bottom, var(--card), var(--background));
  padding: 3rem 0;
  text-align: center;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto 2rem;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

/* Tools Section */
.tools-section {
  padding: 3rem 0;
}

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

.tool-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: box-shadow 0.2s;
}

.tool-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.tool-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tool-icon-wrapper {
  padding: 0.5rem;
  border-radius: 0.5rem;
  background-color: rgba(59, 130, 246, 0.1);
  transition: background-color 0.2s;
}

.tool-card:hover .tool-icon-wrapper {
  background-color: rgba(59, 130, 246, 0.2);
}

.tool-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent);
}

.tool-category {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}

.tool-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tool-description {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.tool-button {
  display: block;
  width: 100%;
  background-color: var(--primary);
  color: var(--primary-foreground);
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  text-decoration: none;
  text-align: center;
  font-weight: 500;
  transition: background-color 0.2s;
}

.tool-button:hover {
  background-color: var(--accent);
}

/* Features Section */
.features-section {
  background-color: var(--card);
  padding: 3rem 0;
}

.features-header {
  text-align: center;
  margin-bottom: 3rem;
}

.features-title {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.features-description {
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

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

.feature-icon-wrapper {
  width: 4rem;
  height: 4rem;
  background-color: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.feature-icon {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-description {
  color: var(--muted-foreground);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background-color: var(--background);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Responsive */
@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }

  .badge {
    display: inline-flex;
  }
}

@media (max-width: 767px) {
  .badge {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }
}

/* Tool filtering */
.tool-card.hidden {
  display: none;
}