/* Toolora - Clean Black & White Design */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #000000;
  --bg-surface: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #151515;
  --bg-elevated: #1a1a1a;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-strong: rgba(255, 255, 255, 0.2);
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-muted: #52525b;
  
  --accent: #ffffff;
  --accent-hover: #e4e4e7;
  
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.8);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.8);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.9);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.9);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0;
  min-height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--text-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg path {
  fill: var(--bg);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-link {
  padding: 0.375rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 150ms ease;
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 150ms ease;
}

.dropdown-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 140px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 150ms ease;
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.375rem 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 6px;
  transition: all 150ms ease;
}

.dropdown-item:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 150ms ease;
}

.btn:hover {
  background: var(--bg-surface);
  border-color: var(--border-hover);
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg);
  border-color: var(--text-primary);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--bg);
}

/* Hero */
.hero {
  padding: 6rem 0 4rem;
}

.hero-content {
  max-width: 640px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

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

.section-header {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.view-all {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 150ms ease;
}

.view-all:hover {
  color: var(--text-primary);
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.tool-card {
  display: block;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all 150ms ease;
}

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

.tool-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
  letter-spacing: -0.01em;
}

.tool-card-desc {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

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

.footer-text {
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-link {
  color: var(--text-tertiary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 150ms ease;
}

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

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
  
  .nav {
    display: none;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}