@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #1f2937;
  --text-body: #4b5563;
  --bg-light: #f3f4f6;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --success: #10b981;
  --danger: #ef4444;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-body);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-bg {
  background-color: var(--bg-light);
}

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

.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mt-40 { margin-top: 40px; }

/* Sticky Header */
header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.95);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  font-size: 15px;
  color: var(--secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.cta-btn {
  background-color: var(--primary);
  color: var(--bg-white) !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}

.cta-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  background: radial-gradient(circle at 90% 10%, var(--primary-light) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--secondary);
  margin-bottom: 20px;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--text-body);
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

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

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

/* Hero Illustration Graphic */
.hero-illustration {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.illustration-box {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 350px;
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: visible;
}

.illustration-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #60a5fa 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--bg-white);
  font-size: 48px;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
  animation: float 4s ease-in-out infinite;
}

.illustration-card {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.95);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.illustration-card-1 {
  top: 30px;
  left: 20px;
  animation: float-horizontal 6s ease-in-out infinite;
}

.illustration-card-2 {
  bottom: 40px;
  right: 20px;
  animation: float-horizontal-reverse 5s ease-in-out infinite;
}

.illustration-card-3 {
  top: 110px;
  right: 20px;
  animation: float-horizontal 5s ease-in-out infinite 1s;
}

.illustration-card-4 {
  bottom: 120px;
  left: 20px;
  animation: float-horizontal-reverse 6s ease-in-out infinite 0.5s;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-info {
  background-color: #dbeafe;
  color: #1e40af;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes float-horizontal {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

@keyframes float-horizontal-reverse {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-8px); }
}

/* Common Section Typography */
.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto 50px;
}

/* Service Card Components (Reusable UI) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.2);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-body);
  font-size: 15px;
  margin-bottom: 20px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.card-link:hover {
  gap: 10px;
}

/* Statistics Section */
.stats {
  background-color: var(--secondary);
  color: var(--bg-white);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item h3 {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-item p {
  font-size: 14px;
  font-weight: 500;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Why Choose Section Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.why-card {
  text-align: center;
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.why-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  margin-bottom: 15px;
}

.why-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 14px;
  color: var(--text-body);
}

/* FAQ Accordion */
.faq-container {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 15px;
  overflow: hidden;
  background-color: var(--bg-white);
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 16px;
  color: var(--secondary);
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
}

.faq-toggle-icon::before,
.faq-toggle-icon::after {
  content: '';
  position: absolute;
  background-color: var(--secondary);
  border-radius: 1px;
}

.faq-toggle-icon::before {
  width: 14px;
  height: 2px;
}

.faq-toggle-icon::after {
  width: 2px;
  height: 14px;
  transition: var(--transition);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-toggle-icon::before,
.faq-item.active .faq-toggle-icon::after {
  background-color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
  padding: 0 24px 20px;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-body);
  margin-top: 12px;
}

/* Tool Area Pages Styling */
.tool-header {
  text-align: center;
  padding: 60px 0 30px;
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

.tool-header h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 10px;
}

.tool-header p {
  font-size: 15px;
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

/* Drag & Drop Upload Container */
.upload-container {
  border: 2px dashed #3b82f6;
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  text-align: center;
  background-color: #eff6ff;
  transition: var(--transition);
  cursor: pointer;
  max-width: 760px;
  margin: 0 auto;
}

.upload-container:hover,
.upload-container.drag-over {
  background-color: #dbeafe;
  border-color: var(--primary-hover);
}

.upload-icon {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 15px;
}

.upload-container h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.upload-container p {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 15px;
}

.file-input {
  display: none;
}

/* Image Tool Workspace Area */
.tool-workspace {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-lg);
  max-width: 1000px;
  margin: 0 auto;
}

/* Background Checkerboard pattern */
.canvas-preview-box {
  background-color: #f3f4f6;
  background-image: 
    linear-gradient(45deg, #e5e7eb 25%, transparent 25%), 
    linear-gradient(-45deg, #e5e7eb 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, #e5e7eb 75%), 
    linear-gradient(-45deg, transparent 75%, #e5e7eb 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
  max-height: 500px;
}

.canvas-preview-box canvas,
.canvas-preview-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 25px;
}

.preview-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control-panel {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 25px;
}

.control-group {
  margin-bottom: 18px;
}

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

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
}

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

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.slider-input::-webkit-slider-thumb:hover {
  background: var(--primary-hover);
  transform: scale(1.1);
}

.tool-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
}

.action-buttons-left {
  display: flex;
  gap: 10px;
}

/* Background Remover specific controls */
.remover-options-row {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.remover-btn-option {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.remover-btn-option.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.color-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: inline-block;
  vertical-align: middle;
}

/* Compressor Stats row */
.compress-stats-row {
  display: flex;
  justify-content: space-between;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 15px 20px;
  margin-bottom: 20px;
}

.compress-stat-card {
  text-align: center;
  flex: 1;
}

.compress-stat-card:not(:last-child) {
  border-right: 1px solid var(--border-color);
}

.compress-stat-label {
  font-size: 12px;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 5px;
}

.compress-stat-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
}

.compress-stat-val.highlight {
  color: var(--success);
}

/* Format Converter target format row */
.converter-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.format-select {
  padding: 10px 15px;
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-white);
  outline: none;
  cursor: pointer;
}

.format-select:focus {
  border-color: var(--primary);
}

/* Loading Spinner Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.85);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
  border-radius: var(--radius-md);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Error message alerts */
.alert-error {
  background-color: #fee2e2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: none;
}

/* About page details */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 15px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.about-stat {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-light);
}

.about-stat h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

/* Contact page details */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
}

.contact-info-panel {
  background-color: var(--secondary);
  color: var(--bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

.contact-info-list {
  list-style: none;
  margin-top: 30px;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
  font-size: 15px;
}

.contact-info-list i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 3px;
}

.contact-form-panel {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Success notification toast */
.toast-success {
  background-color: #d1fae5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 15px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  display: none;
  font-weight: 600;
}

/* PropellerAds Placeholders styling */
.ad-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-light);
  border: 1px dashed #cbd5e1;
  color: #64748b;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  user-select: none;
  margin: 15px auto;
  border-radius: var(--radius-sm);
}

.ad-banner-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 30px auto;
  max-width: 100%;
  overflow: hidden;
}

.ad-sidebar-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px auto;
  max-width: 100%;
  overflow: hidden;
}

.ad-header-banner {
  width: 728px;
  height: 90px;
  max-width: 100%;
}

.ad-content-banner {
  width: 728px;
  height: 90px;
  max-width: 100%;
  margin: 30px auto;
}

.ad-sidebar {
  width: 300px;
  height: 250px;
  margin: 0;
}

.ad-footer-banner {
  width: 970px;
  height: 90px;
  max-width: 100%;
  margin: 40px auto 0;
}

.ad-interstitial-wrapper {
  display: none; /* Invisible to keep it hidden, placeholder exists */
}

/* Layout adjustments with sidebar */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 991px) {
  .layout-with-sidebar {
    grid-template-columns: 1fr;
  }
  
  .ad-sidebar {
    margin: 20px auto;
  }
}

/* Footer styling */
footer {
  background-color: var(--secondary);
  color: var(--bg-white);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--bg-white);
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 30px;
  height: 2px;
  background-color: var(--primary);
}

.footer-col p {
  font-size: 14px;
  color: #9ca3af;
  margin-bottom: 15px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 14px;
  color: #9ca3af;
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-socials {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
  color: #9ca3af;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary);
  color: var(--bg-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  font-size: 13px;
  color: #6b7280;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-links a {
  font-size: 13px;
  color: #6b7280;
}

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

@media (max-width: 991px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile responsive menu */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 32px;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-illustration {
    margin-top: 20px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-white);
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    gap: 25px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    overflow-y: auto;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preview-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal-links {
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .ad-header-banner {
    display: none; /* Hide wide ad on mobile or use smaller placeholder */
  }
  
  .ad-footer-banner {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .action-buttons-left {
    flex-direction: column;
  }
}

/* Download Quality Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6); /* Modern slate overlay */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.25s ease-out;
}

.modal-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 35px;
  width: 90%;
  max-width: 600px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.05);
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  background: none;
  border: none;
  color: var(--text-body);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--bg-light);
  color: var(--danger);
}

.modal-header {
  text-align: center;
  margin-bottom: 25px;
}

.modal-header h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 14px;
  color: var(--text-body);
}

.quality-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.quality-card {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  background-color: var(--bg-white);
}

.quality-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quality-card.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.quality-badge {
  position: absolute;
  top: 12px;
  right: 12px;
}

.quality-icon {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 15px;
  background-color: rgba(37, 99, 235, 0.08);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quality-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 6px;
}

.price-tag {
  font-size: 24px;
  font-weight: 800;
  color: var(--secondary);
  margin: 15px 0;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 580px) {
  .quality-options {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .modal-card {
    padding: 25px;
  }
}