/* ==========================================================================
   TIER C UNIVERSAL MASTER DESIGN SYSTEM: LIGHT THEME GLASSMORPHISM
   Theme: Soft Slate Ice (#F8FAFC) + Ambient Radial Blurs (#EEF2FF / #F3E8FF)
   Cards: Translucent Pure White Glass (rgba(255,255,255,0.85))
   Accents: Electric Indigo (#4F46E5) to Royal Violet (#7C3AED)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Color Tokens */
  --bg-main: #F8FAFC;
  --bg-gradient-1: #EEF2FF;
  --bg-gradient-2: #F3E8FF;
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(226, 232, 240, 0.8);
  --glass-shadow: 0 10px 30px -5px rgba(79, 70, 229, 0.06), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
  --glass-shadow-hover: 0 20px 40px -10px rgba(99, 102, 241, 0.18), 0 8px 20px -4px rgba(0, 0, 0, 0.06);

  --accent-primary: #4F46E5;
  --accent-violet: #7C3AED;
  --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4338CA 0%, #6D28D9 100%);

  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-sub: #475569;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Overrides (Optional Toggle) */
body.dark-mode {
  --bg-main: #090D16;
  --bg-gradient-1: #1E1B4B;
  --bg-gradient-2: #2E1065;
  --glass-bg: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(51, 65, 85, 0.7);
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-sub: #CBD5E1;
}

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

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Ambient Radial Blur Background Effects */
.ambient-blur-1 {
  position: absolute;
  top: -150px;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--bg-gradient-1) 0%, rgba(248,250,252,0) 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

.ambient-blur-2 {
  position: absolute;
  top: 200px;
  right: -150px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--bg-gradient-2) 0%, rgba(248,250,252,0) 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  box-shadow: var(--glass-shadow-hover);
}

/* Layout Grid Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   BLOCK 1: GLOBAL NAVIGATION HEADER
   ========================================================================== */
.global-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  padding: 12px 0;
  transition: var(--transition-fast);
}

body.dark-mode .global-header {
  background: rgba(15, 23, 42, 0.85);
  border-bottom-color: rgba(51, 65, 85, 0.7);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.15rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name {
  font-weight: 800;
  font-size: 1.35rem;
  color: #0F172A;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

body.dark-mode .brand-name {
  color: #F8FAFC;
}

.brand-sub {
  font-size: 0.6rem;
  font-weight: 800;
  color: #6366F1;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-center {
  flex: 1;
  max-width: 460px;
  display: flex;
  justify-content: center;
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 9px 18px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 9999px;
  font-size: 0.875rem;
  color: #64748B;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  transition: all 0.2s ease;
}

body.dark-mode .search-trigger-btn {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(51, 65, 85, 0.7);
  color: #94A3B8;
}

.search-trigger-btn:hover {
  background: #FFFFFF;
  border-color: #6366F1;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.12);
  color: #0F172A;
}

.search-placeholder {
  flex: 1;
  text-align: left;
  font-weight: 500;
}

.search-icon {
  font-size: 0.95rem;
  color: #94A3B8;
}

.kbd-shortcut {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #475569;
  font-family: 'Inter', monospace;
  letter-spacing: 0.3px;
}

body.dark-mode .kbd-shortcut {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(51, 65, 85, 0.7);
  color: #94A3B8;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 10px;
  transition: all 0.2s ease;
}

body.dark-mode .nav-dropdown-btn {
  color: #CBD5E1;
}

.nav-dropdown-btn:hover {
  background: #F1F5F9;
  color: #0F172A;
}

body.dark-mode .nav-dropdown-btn:hover {
  background: rgba(30, 41, 59, 0.8);
  color: #F8FAFC;
}

.arrow-icon {
  font-size: 0.75rem;
  margin-left: 2px;
  color: #64748B;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  background: #F8FAFC;
  color: #64748B;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.05rem;
  transition: all 0.2s ease;
}

body.dark-mode .icon-btn {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(51, 65, 85, 0.7);
  color: #CBD5E1;
}

.icon-btn:hover {
  background: #FFFFFF;
  color: #6366F1;
  border-color: #6366F1;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.12);
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: #E2E8F0;
  margin: 0 2px;
}

body.dark-mode .nav-divider {
  background: rgba(51, 65, 85, 0.7);
}

.btn-signup {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  color: white;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-signup:hover {
  background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

/* ==========================================================================
   BLOCK 2: TOOL HERO HEADER
   ========================================================================== */
.hero-header {
  padding: 48px 0 32px;
  text-align: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--accent-primary);
}

.hero-title-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 12px;
}

.hero-title-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--accent-gradient);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(124, 58, 237, 0.3);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 24px;
}

.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(241, 245, 249, 0.9);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-sub);
}

body.dark-mode .badge-item {
  background: rgba(30, 41, 59, 0.6);
}

.badge-item i {
  color: #10B981;
}

/* ==========================================================================
   BLOCK 3: INTERACTIVE TOOL WORKSPACE CANVAS
   ========================================================================== */
.workspace-canvas {
  margin-bottom: 64px;
}

.canvas-card {
  padding: 36px;
}

/* Input Panel */
.input-panel {
  margin-bottom: 24px;
}

.url-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 8px 12px 8px 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
  transition: var(--transition-fast);
}

body.dark-mode .url-input-wrapper {
  background: rgba(15, 23, 42, 0.9);
}

.url-input-wrapper:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.url-input-icon {
  color: var(--text-muted);
  margin-right: 12px;
  font-size: 1.25rem;
}

.url-input-field {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.05rem;
  font-family: inherit;
  color: var(--text-main);
}

.url-input-field::placeholder {
  color: #94A3B8;
}

.input-quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-action-sm {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: #F1F5F9;
  color: var(--text-sub);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

body.dark-mode .btn-action-sm {
  background: #1E293B;
}

.btn-action-sm:hover {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

/* Sample Loaders */
.sample-loaders {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.sample-tag {
  background: rgba(79, 70, 229, 0.08);
  color: var(--accent-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sample-tag:hover {
  background: var(--accent-primary);
  color: white;
}

/* Action Trigger Bar */
.action-trigger-bar {
  text-align: center;
  margin: 28px 0;
}

.btn-process {
  padding: 16px 42px;
  font-size: 1.1rem;
  border-radius: var(--radius-full);
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

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

/* Output Panel (Results) */
.output-panel {
  display: none; /* Shown via JS */
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px dashed var(--glass-border);
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .result-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Video Preview Card */
.video-preview-card {
  background: white;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
  width: 100%;
  box-sizing: border-box;
}

body.dark-mode .video-preview-card {
  background: #1E293B;
}

.thumbnail-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect ratio */
  background: #0F172A;
}

.thumbnail-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(15, 23, 42, 0.85);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.preview-info {
  padding: 16px;
}

.video-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Formats Section & Options */
.format-picker-wrapper {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.format-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Responsive Format Card List (Never overflows card bounds) */
.format-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}

.format-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  background: white;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: var(--transition-fast);
  width: 100%;
  box-sizing: border-box;
}

body.dark-mode .format-card-row {
  background: #1E293B;
  border-color: rgba(51, 65, 85, 0.7);
}

.format-card-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.12);
  border-color: rgba(99, 102, 241, 0.4);
}

.format-card-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.format-icon-circle {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.format-icon-circle.icon-video {
  background: rgba(79, 70, 229, 0.12);
  color: #4F46E5;
}

.format-icon-circle.icon-audio {
  background: rgba(168, 85, 247, 0.12);
  color: #9333EA;
}

.format-card-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.format-title-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.format-title-text {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

/* Format Pill Badges */
.format-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.format-pill-tag.pill-video {
  background: rgba(79, 70, 229, 0.15);
  color: #4338CA;
  border: 1px solid rgba(79, 70, 229, 0.3);
}

.format-pill-tag.pill-audio {
  background: rgba(168, 85, 247, 0.15);
  color: #7E22CE;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

body.dark-mode .format-pill-tag.pill-video {
  background: rgba(99, 102, 241, 0.25);
  color: #A5B4FC;
  border-color: rgba(99, 102, 241, 0.4);
}

body.dark-mode .format-pill-tag.pill-audio {
  background: rgba(192, 132, 252, 0.25);
  color: #E9D5FF;
  border-color: rgba(192, 132, 252, 0.4);
}

.format-badge-pill {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(241, 245, 249, 0.9);
  color: var(--text-sub);
  border: 1px solid var(--glass-border);
}

body.dark-mode .format-badge-pill {
  background: rgba(30, 41, 59, 0.8);
  color: #CBD5E1;
}

.format-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.meta-tag.format-highlight {
  font-weight: 600;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.04);
  padding: 1px 7px;
  border-radius: 4px;
}

body.dark-mode .meta-tag.format-highlight {
  background: rgba(255, 255, 255, 0.06);
  color: #F1F5F9;
}

.format-card-action {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-download-format {
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
  background: var(--accent-gradient);
  color: white;
  flex-shrink: 0;
}

.btn-download-format:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.4);
}

.btn-download-format:active {
  transform: translateY(0) scale(0.96);
}

/* Also ensure backward compatibility if table layout is rendered */
.format-table {
  width: 100%;
  max-width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
  box-sizing: border-box;
}

.format-row {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  transition: var(--transition-fast);
}

body.dark-mode .format-row {
  background: #1E293B;
}

.format-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.12);
}

.format-cell {
  padding: 12px 14px;
  vertical-align: middle;
}

@media (max-width: 680px) {
  .format-card-row {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .format-card-action {
    width: 100%;
  }
  .btn-download-format {
    width: 100%;
    justify-content: center;
  }
}

/* Status Alert Message */
.status-alert {
  display: none;
  align-items: center;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  margin-top: 18px;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
  transition: all 0.3s ease;
}

.status-alert.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #DC2626;
}

.status-alert.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #047857;
}

/* ==========================================================================
   BLOCK 4: EDUCATIONAL CONTENT & SEO SECTION
   ========================================================================== */
.seo-section {
  padding: 48px 0 64px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 36px;
  letter-spacing: -0.5px;
}

/* 3-Step Guide Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  padding: 28px;
  text-align: center;
  position: relative;
}

.step-number {
  width: 44px;
  height: 44px;
  background: var(--accent-gradient);
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  padding: 24px;
  text-align: left;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* FAQ Accordions */
.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
  transition: max-height 0.3s ease-in-out;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* ==========================================================================
   BLOCK 5: RELATED TOOLS CAROUSEL & FOOTER
   ========================================================================== */
.related-tools-section {
  padding: 48px 0;
  border-top: 1px solid var(--glass-border);
}

.carousel-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .carousel-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tool-card {
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: block;
}

.tool-card:hover .tool-card-title {
  color: var(--accent-primary);
}

.tool-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;

  transition: var(--transition-fast);
}

.tool-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer */
.global-footer {
  background: white;
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px;
  margin-top: 64px;
}

body.dark-mode .global-footer {
  background: #090D16;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 300px;
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Global Search Modal (Ctrl+K) */
.search-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.search-modal {
  width: 100%;
  max-width: 600px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

body.dark-mode .search-modal {
  background: #1E293B;
}

.modal-input-box {
  display: flex;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--glass-border);
}

.modal-input-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.1rem;
  color: var(--text-main);
  margin-left: 12px;
}

.modal-results {
  max-height: 300px;
  overflow-y: auto;
  padding: 12px;
}

.modal-item {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-main);
}

.modal-item:hover {
  background: rgba(79, 70, 229, 0.08);
  color: var(--accent-primary);
}