/* ==========================================================================
   DATAFORGE DESIGN SYSTEM
   Inspired by Linear, Vercel, Raycast, Stripe & Modern Developer Tools.
   ========================================================================== */

:root {
  /* Color Palette - Dark Mode Default */
  --bg-primary: #08090C;
  --bg-surface: #0E1117;
  --bg-surface-elevated: #141822;
  --bg-surface-hover: #1A202E;
  --bg-glass: rgba(14, 17, 23, 0.75);
  
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-default: rgba(255, 255, 255, 0.12);
  --border-highlight: rgba(0, 240, 255, 0.4);
  --border-glow: rgba(0, 240, 255, 0.25);

  --text-primary: #F0F4F8;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #08090C;

  /* Accent Colors */
  --accent-cyan: #00F0FF;
  --accent-cyan-glow: rgba(0, 240, 255, 0.15);
  --accent-blue: #38BDF8;
  --accent-indigo: #6366F1;
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.15);
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;

  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #00F0FF 0%, #38BDF8 50%, #6366F1 100%);
  --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.0) 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 70%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, Monaco, monospace;

  /* Spacing & Layout */
  --max-width: 1200px;
  --header-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 9999px;

  /* Transitions & Shadows */
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 1px 1px var(--border-subtle);
  --shadow-glow: 0 0 40px -10px rgba(0, 240, 255, 0.2);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-surface-hover: #E2E8F0;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(0, 0, 0, 0.07);
  --border-default: rgba(0, 0, 0, 0.12);
  --border-highlight: rgba(14, 165, 233, 0.5);
  --border-glow: rgba(14, 165, 233, 0.2);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;

  --accent-cyan: #0284C7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.1);
  --accent-blue: #0284C7;
  --accent-indigo: #4F46E5;

  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.08), 0 0 1px 1px var(--border-subtle);
  --shadow-glow: 0 0 30px -5px rgba(2, 132, 199, 0.15);
}

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.035) 0%, transparent 60%),
    radial-gradient(circle at 100% 20%, rgba(99, 102, 241, 0.02) 0%, transparent 40%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Utilities */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.site-header.scrolled {
  border-bottom-color: var(--border-default);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.4);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: opacity var(--transition-fast);
}

.nav-brand:hover {
  opacity: 0.9;
}

.brand-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.825rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.search-trigger:hover {
  border-color: var(--border-default);
  color: var(--text-secondary);
  background: var(--bg-surface-elevated);
}

.search-trigger kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.15rem 0.35rem;
  color: var(--text-secondary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.mobile-nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--text-inverse);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background: #E2E8F0;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-accent {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.9), rgba(56, 189, 248, 0.9));
  color: #040914;
  font-weight: 600;
  box-shadow: 0 0 20px -3px rgba(0, 240, 255, 0.35);
}

.btn-accent:hover {
  box-shadow: 0 0 28px 0px rgba(0, 240, 255, 0.55);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

/* Privacy Badge */
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  color: #34D399;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  position: relative;
  padding: 5rem 0 3.5rem;
  overflow: hidden;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.hero-subheadline {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

/* ==========================================================================
   HERO ANIMATION: FLOATING DATA-CARD VISUALIZATION
   ========================================================================== */

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.hero-visual-glow {
  position: absolute;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
  animation: breathe 6s ease-in-out infinite alternate;
}

@keyframes breathe {
  0% { transform: scale(0.92) translate(0, 0); opacity: 0.7; }
  100% { transform: scale(1.08) translate(10px, -10px); opacity: 1; }
}

.floating-card-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  animation: floatCard 8s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(0.4deg); }
}

.floating-data-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 1px 1px var(--border-subtle);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.card-status-badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.card-status-badge .spinner {
  width: 8px;
  height: 8px;
  border: 2px solid var(--accent-cyan);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-table-view {
  padding: 0.5rem;
}

.hero-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
}

.hero-table th {
  text-align: left;
  padding: 0.55rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-table td {
  padding: 0.6rem 0.75rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: all var(--transition-normal);
}

.hero-table tr.row-duplicate {
  background: rgba(244, 63, 94, 0.08);
  color: #FDA4AF;
}

.hero-table tr.row-duplicate td {
  text-decoration: line-through;
  opacity: 0.65;
}

.hero-table tr.row-cleaned {
  background: rgba(16, 185, 129, 0.06);
}

.hero-table td.cell-highlight {
  color: var(--accent-cyan);
  font-weight: 500;
}

/* Transformation progress display inside floating card */
.card-transform-panel {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.35);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.transform-step-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.transform-step-row.active {
  color: var(--text-primary);
}

.transform-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.transform-step-row.done .transform-icon {
  background: rgba(16, 185, 129, 0.2);
  color: #34D399;
}

/* ==========================================================================
   TRUST / PRIVACY STRIP
   ========================================================================== */

.trust-strip-section {
  padding: 2rem 0 3.5rem;
}

.trust-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.trust-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.trust-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.trust-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-default);
  box-shadow: var(--shadow-card);
}

.trust-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.trust-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-info p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   FEATURED TOOL SECTION (CSV CLEANER HIGHLIGHT)
   ========================================================================== */

.featured-tool-section {
  padding: 4rem 0;
  position: relative;
}

.featured-tool-wrapper {
  background: linear-gradient(180deg, var(--bg-surface) 0%, rgba(14, 17, 23, 0.95) 100%);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 60px -20px var(--accent-cyan-glow);
  position: relative;
  overflow: hidden;
}

.featured-tool-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.6;
}

.featured-tool-header {
  max-width: 650px;
  margin-bottom: 2.5rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}

.featured-tool-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.featured-tool-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Upload Interface */
.cleaner-interactive-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
  align-items: start;
}

.upload-area-box {
  background: rgba(0, 0, 0, 0.25);
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.upload-area-box:hover, .upload-area-box.dragover {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.03);
  box-shadow: 0 0 25px -5px rgba(0, 240, 255, 0.2);
}

.upload-area-box:hover .upload-icon-anim,
.upload-area-box.dragover .upload-icon-anim {
  transform: translateY(-4px) scale(1.05);
  color: var(--accent-cyan);
}

.upload-icon-anim {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  transition: transform var(--transition-normal), color var(--transition-normal);
}

.upload-text-main {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.upload-text-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.upload-privacy-footer {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.775rem;
  color: var(--text-muted);
}

.upload-privacy-footer svg {
  color: #10B981;
}

.cleaner-options-card {
  margin-top: 1.25rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.options-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.cleaner-preview-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.preview-table-container {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 400px;
  display: flex;
  flex-direction: column;
}

.preview-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.preview-table-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.table-scroll-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 320px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--bg-surface-elevated);
  padding: 0.65rem 0.85rem;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-default);
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  white-space: nowrap;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

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

.stats-summary-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   INTERACTIVE DEMO SECTION
   ========================================================================== */

.demo-section {
  padding: 3.5rem 0 5rem;
}

.demo-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.demo-title-group h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.demo-title-group p {
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.demo-views-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}

.demo-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.demo-box-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-messy {
  color: #FB7185;
  background: rgba(244, 63, 94, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.tag-clean {
  color: #34D399;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.demo-metrics-strip {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  flex-wrap: wrap;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   TOOLS SECTION & GRID
   ========================================================================== */

.tools-section {
  padding: 5rem 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.05), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-highlight);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6), 0 0 20px -5px var(--accent-cyan-glow);
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  transition: all var(--transition-normal);
}

.tool-card:hover .tool-card-icon {
  background: rgba(0, 240, 255, 0.1);
  border-color: rgba(0, 240, 255, 0.3);
  transform: scale(1.05);
}

.tool-card-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.tool-card-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  transition: color var(--transition-fast);
}

.tool-card:hover .tool-card-footer {
  color: var(--accent-cyan);
}

.tool-card-footer .arrow-icon {
  transition: transform var(--transition-fast);
}

.tool-card:hover .arrow-icon {
  transform: translateX(4px);
}

/* ==========================================================================
   “HOW IT WORKS” SECTION
   ========================================================================== */

.how-it-works-section {
  padding: 5rem 0;
  position: relative;
}

.steps-container {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

/* Animated connecting line */
.steps-line {
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.1) 0%, rgba(0, 240, 255, 0.6) 50%, rgba(99, 102, 241, 0.6) 100%);
  z-index: 0;
}

.step-card {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-default);
  box-shadow: var(--shadow-card);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px -3px var(--accent-cyan-glow);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   WHY DATAFORGE SECTION
   ========================================================================== */

.why-section {
  padding: 5rem 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.why-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-default);
  box-shadow: var(--shadow-subtle);
}

.why-card-icon {
  font-size: 1.75rem;
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 4.5rem 0 2.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-col p {
  line-height: 1.6;
  max-width: 320px;
}

.footer-links-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   COMMAND PALETTE MODAL (CMD + K)
   ========================================================================== */

.cmd-palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.cmd-palette-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette-modal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 1px 1px var(--border-subtle);
  overflow: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: transform var(--transition-fast);
}

.cmd-palette-backdrop.open .cmd-palette-modal {
  transform: translateY(0) scale(1);
}

.cmd-search-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cmd-search-input {
  flex: 1;
  font-size: 1rem;
  color: var(--text-primary);
}

.cmd-results-list {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.5rem;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.cmd-item:hover, .cmd-item.selected {
  background: var(--bg-surface-elevated);
}

.cmd-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cmd-item-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.cmd-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.6);
  font-size: 0.85rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.toast-success {
  border-left: 3px solid #10B981;
}

.toast.toast-info {
  border-left: 3px solid var(--accent-cyan);
}

.toast.toast-error {
  border-left: 3px solid var(--accent-rose);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 992px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cleaner-interactive-grid {
    grid-template-columns: 1fr;
  }

  .demo-views-grid {
    grid-template-columns: 1fr;
  }

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

  .steps-line {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .trust-cards-grid {
    grid-template-columns: 1fr;
  }

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

  .featured-tool-wrapper {
    padding: 1.75rem;
  }

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

  .footer-bottom-bar {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}