/* Design System & Visual Tokens */
:root {
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Space Grotesk', sans-serif;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.2);
}

/* Light Theme Variables */
.light-theme {
  color-scheme: light;
  
  --bg-app: #f4f6fa;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-focus: #4f46e5;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent: #4f46e5;
  --accent-light: #e0e7ff;
  --accent-hover: #4338ca;
  --secondary: #06b6d4;
  
  --glass-glow: rgba(79, 70, 229, 0.05);
  --qr-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  --scrollbar-thumb: #cbd5e1;
  --scrollbar-track: #f1f5f9;
}

/* Dark Theme Variables */
.dark-theme {
  color-scheme: dark;
  
  --bg-app: #090d16;
  --bg-card: rgba(20, 27, 45, 0.65);
  --bg-card-hover: rgba(26, 35, 58, 0.85);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-focus: #818cf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent: #6366f1;
  --accent-light: rgba(99, 102, 241, 0.15);
  --accent-hover: #4f46e5;
  --secondary: #22d3ee;
  
  --glass-glow: rgba(99, 102, 241, 0.08);
  --qr-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.1);
  --scrollbar-thumb: #334155;
  --scrollbar-track: #0f172a;
}

/* Reset & Global Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient Neon Glows */
.ambient-glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  opacity: 0.12;
  pointer-events: none;
}

.glow-1 {
  top: -10%;
  right: -5%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
}

.glow-2 {
  bottom: 10%;
  left: -10%;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(var(--bg-app), 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.logo-icon i, .logo-icon svg {
  width: 22px;
  height: 22px;
}

.logo-text h1 {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-text h1 span {
  color: var(--accent);
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Theme Toggle Button */
.theme-toggle {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
  transform: translateY(-1px);
}

.theme-toggle svg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity var(--transition-fast);
}

.dark-theme .theme-toggle .sun-icon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}

.dark-theme .theme-toggle .moon-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}

.light-theme .theme-toggle .sun-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}

.light-theme .theme-toggle .moon-icon {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}

/* Application Layout Grid */
.app-container {
  max-width: 1200px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.5rem;
  flex: 1;
  width: 100%;
}

.controls-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Cards & Glassmorphism */
.control-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.control-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background var(--transition-normal);
}

.control-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.15);
}

.control-card:focus-within::before {
  background: linear-gradient(90deg, var(--accent), var(--secondary));
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.card-header i, .card-header svg {
  color: var(--accent);
  width: 22px;
  height: 22px;
}

.card-header h2 {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Inputs & Form Controls */
.input-wrapper {
  position: relative;
  width: 100%;
}

textarea {
  width: 100%;
  background: rgba(var(--bg-app), 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  padding-bottom: 2rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  resize: vertical;
  outline: none;
  transition: all var(--transition-fast);
}

textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.char-counter {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Tabs Navigation Styling */
.tabs-container {
  display: flex;
  flex-direction: column;
}

.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.75rem;
  gap: 1rem;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}

.tabs-nav::-webkit-scrollbar {
  display: none; /* Safari & Chrome */
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 0.25rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* Tab Contents */
.tabs-content-wrapper {
  position: relative;
  min-height: 220px;
}

.tab-content {
  display: none;
  animation: fadeIn var(--transition-fast) forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Forms & Group Components */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Styled Select */
.select-wrapper {
  position: relative;
  width: 100%;
}

select {
  width: 100%;
  appearance: none;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.select-wrapper svg {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-secondary);
  width: 16px;
  height: 16px;
}

/* Color Pickers & Row Options */
.color-options-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.75rem;
  gap: 0.75rem;
  min-width: 140px;
  transition: border-color var(--transition-fast);
}

.color-picker-wrapper:focus-within {
  border-color: var(--border-focus);
}

input[type="color"] {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--border-color);
  border-radius: 50%;
}

.color-value-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Custom Checkbox */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  user-select: none;
  margin-bottom: 0;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--accent);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--accent);
  border-color: var(--accent);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark::after {
  display: block;
}

.checkbox-container .checkmark::after {
  left: 6px;
  top: 3px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Segmented Control Toggle */
.segmented-control {
  display: flex;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.25rem;
  width: 100%;
}

.segment-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.segment-btn:hover {
  color: var(--text-primary);
}

.segment-btn.active {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* Dynamic Panel Transition Group */
.color-mode-pane {
  display: none;
  animation: fadeIn var(--transition-fast) forwards;
}

.color-mode-pane.active {
  display: block;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 1.5rem 0;
}

/* Sliders Header and Ranges */
.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.slider-header label {
  margin-bottom: 0;
}

.slider-header span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  outline: none;
  margin: 0.5rem 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Dropzone Upload Layout */
.upload-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  background: rgba(var(--bg-app), 0.2);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.03);
}

.upload-icon {
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}

.upload-dropzone:hover .upload-icon {
  color: var(--accent);
}

.upload-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.upload-text span {
  color: var(--accent);
  font-weight: 600;
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.file-input-hidden {
  display: none;
}

/* Uploaded File Status Badge */
.uploaded-logo-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-top: 1rem;
}

.logo-preview-details {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-preview-details .img-container {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.logo-preview-details img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.logo-preview-details .filename {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.remove-logo-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.remove-logo-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.remove-logo-btn i, .remove-logo-btn svg {
  width: 16px;
  height: 16px;
}

/* Right Panel Layout (Sticky Container) */
.preview-panel-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: sticky;
  top: 100px;
  height: fit-content;
}

/* Tactile Mock Card Graphic */
.preview-card-outer {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.preview-card-inner {
  background: var(--bg-card);
  border-radius: calc(var(--radius-lg) - 4px);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.preview-header {
  width: 100%;
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  gap: 0.4rem;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.preview-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-left: 0.75rem;
}

/* Canvas Area Frame */
.qr-canvas-wrapper {
  background: #ffffff;
  padding: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--qr-shadow);
  display: block;
  width: 300px;
  height: 300px;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.qr-target-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.qr-target-canvas svg, .qr-target-canvas canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* Loader Shimmer */
.qr-loading-shimmer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 5;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Export Buttons Grid */
.export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
}

.export-btn {
  border: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.export-btn i, .export-btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Features Grid bottom */
.features-summary {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.01);
  padding: 0.5rem;
  border-radius: var(--radius-md);
}

.feature-item i, .feature-item svg {
  color: var(--secondary);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.feature-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Footer Section */
.app-footer {
  text-align: center;
  padding: 2.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Grid helper layout classes */
.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .app-container {
    grid-template-columns: 1fr;
    margin: 1.5rem auto;
    gap: 2rem;
  }
  
  .preview-panel-container {
    position: static;
  }
  
  .qr-canvas-wrapper {
    width: 250px;
    height: 250px;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 1rem;
  }
  
  .app-container {
    padding: 0 1rem;
  }
  
  .control-card {
    padding: 1.25rem;
  }
  
  .export-actions {
    grid-template-columns: 1fr;
  }
}

/* SEO Landing Page & FAQs */
.seo-landing-section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}

.seo-content-container {
  width: 100%;
}

.seo-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.seo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.seo-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.12);
}

.seo-card h2 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.seo-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.seo-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Feature List */
.seo-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.seo-features-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.seo-features-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: bold;
}

.seo-features-list li strong {
  color: var(--text-primary);
}

/* Steps List */
.seo-steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.seo-steps-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.seo-steps-list li strong {
  color: var(--text-primary);
  display: inline-block;
  margin-bottom: 0.15rem;
}

.step-num {
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}

/* FAQ Container & Accordion */
.seo-faq-container {
  margin-top: 4rem;
}

.seo-faq-container h2 {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 800;
  text-align: center;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.faq-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.15);
}

.faq-item.active {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.05);
}

.faq-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  transition: color var(--transition-fast);
}

.faq-header:hover {
  color: var(--accent);
}

.faq-chevron {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: transform var(--transition-normal), color var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-normal);
}

.faq-item.active .faq-body {
  grid-template-rows: 1fr;
}

.faq-content {
  overflow: hidden;
}

.faq-content p {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Media Query Adaptations */
@media (max-width: 900px) {
  .seo-content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
  }
  
  .seo-card {
    padding: 2rem;
  }
  
  .seo-faq-container h2 {
    font-size: 1.5rem;
  }
}

/* Tools Dropdown Menu */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tools-dropdown {
  position: relative;
  display: inline-block;
  font-family: var(--font-sans);
}

.tools-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
  user-select: none;
}

/* Remove default details marker */
.tools-dropdown-btn::-webkit-details-marker {
  display: none;
}
.tools-dropdown-btn::marker {
  display: none;
}

.tools-dropdown-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.tools-dropdown-btn .chevron-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.tools-dropdown[open] .tools-dropdown-btn .chevron-icon {
  transform: rotate(180deg);
}

.tools-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 100;
}

.dark-theme .tools-dropdown-menu {
  background: #111827; /* Solid dark slate */
}

.btn-share {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-fast);
  user-select: none;
}

.btn-share:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.btn-share svg {
  width: 14px;
  height: 14px;
}

.tools-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  border-radius: calc(var(--radius-sm) - 4px);
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.tools-dropdown-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.2);
}

.tools-dropdown-item.active {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent);
}

.tools-dropdown-item svg, .tools-dropdown-item i {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.tools-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-align: left;
}

.tools-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tools-item-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
  .tools-dropdown-btn span {
    display: none;
  }
  .tools-dropdown-btn .chevron-icon {
    display: none;
  }
  .tools-dropdown-btn {
    padding: 0.5rem;
  }
  .btn-share span {
    display: none;
  }
  .btn-share {
    padding: 0.5rem;
  }
}