/* Modern Homepage Design - Matching Professional Tool Theme */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Theme Colors */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-focus: #2563eb;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-overlay: rgba(0, 0, 0, 0.7);
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #1e293b;
    
    --border-color: #334155;
    --border-hover: #475569;
    --border-focus: #3b82f6;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
    font-weight: 400;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.5rem;
    transition: var(--transition);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

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

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

.all-tools-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}

.all-tools-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.all-tools-btn i {
    font-size: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.1);
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* ===============================================
   MODERN TOOL HEADER DESIGN (Matching other tools)
   =============================================== */
.tool-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--info-color) 100%);
    border-radius: var(--radius-xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.tool-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.tool-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.tool-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ===============================================
   MODERN SECTION CONTAINERS
   =============================================== */
.tools-main {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.tools-section,
.features-section {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.tools-section::before,
.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color), var(--success-color));
}

.tools-section:hover,
.features-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.section-header h2 i {
    color: var(--primary-color);
    font-size: 2rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===============================================
   TOOL CATEGORY SECTIONS
   =============================================== */
.tools-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.tool-category-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-tertiary);
}

.category-title i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* ===============================================
   MODERN TOOL CARDS
   =============================================== */
.tool-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.tool-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.tool-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.tool-icon.media {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.tool-icon.text {
    background: linear-gradient(135deg, #4834d4, #686de0);
}

.tool-icon.generator {
    background: linear-gradient(135deg, #00d2d3, #01a3a4);
}

.tool-icon.calculator {
    background: linear-gradient(135deg, #feca57, #ff9f43);
}

.tool-icon.converter {
    background: linear-gradient(135deg, #48dbfb, #0abde3);
}

.tool-icon.utility {
    background: linear-gradient(135deg, #1dd1a1, #10ac84);
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
}

.tool-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tool-card:hover .tag {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ===============================================
   FEATURES GRID
   =============================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.feature-icon.speed {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.feature-icon.security {
    background: linear-gradient(135deg, #4834d4, #686de0);
}

.feature-icon.design {
    background: linear-gradient(135deg, #ff9ff3, #f368e0);
}

.feature-icon.mobile {
    background: linear-gradient(135deg, #00d2d3, #01a3a4);
}

.feature-icon.free {
    background: linear-gradient(135deg, #feca57, #ff9f43);
}

.feature-icon.professional {
    background: linear-gradient(135deg, #1dd1a1, #10ac84);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===============================================
   SEO CONTENT SECTION - MODERN THEME MATCHING
   =============================================== */
.seo-content {
    background: var(--bg-secondary);
    margin-top: 4rem;
    padding: 4rem 0;
}

.seo-content section {
    padding: 0;
}

.seo-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
}

.seo-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 2px;
}

.seo-content h2 i {
    color: var(--primary-color);
    font-size: 2rem;
}

.content-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color), var(--success-color), var(--warning-color));
}

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

.content-card > p:first-of-type {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.content-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 2.5rem 0 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    padding-bottom: 1rem;
}

.content-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 2px;
}

.content-card h4 {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.content-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.content-card ul {
    margin: 1.5rem 0;
    padding-left: 0;
    list-style: none;
}

.content-card li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    font-size: 1rem;
}

.content-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success-color);
    font-weight: bold;
    width: 20px;
    height: 20px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    border: 2px solid var(--success-color);
}

.content-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Category sections within content */
.content-card h4 + p {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--info-color);
    margin: 1rem 0 2rem;
    position: relative;
}

.content-card h4 + p::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--info-color), var(--primary-color));
}

/* Features list special styling */
.content-card h3:last-of-type + p + ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.content-card h3:last-of-type + p + ul li {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    margin-bottom: 0;
}

.content-card h3:last-of-type + p + ul li:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.content-card h3:last-of-type + p + ul li::before {
    position: static;
    margin-right: 0.75rem;
    margin-bottom: 0.5rem;
    display: block;
    width: auto;
    height: auto;
    background: none;
    border: none;
    font-size: 1.5rem;
}

/* Final paragraph styling */
.content-card > p:last-child {
    font-size: 1.125rem;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    margin-top: 3rem;
    position: relative;
    overflow: hidden;
}

.content-card > p:last-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color), var(--success-color));
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

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

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

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1rem;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

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

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

.footer-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===============================================
   FEATURED TOOLS SECTION
   =============================================== */
.featured-tools {
    margin-bottom: 3rem;
}

.featured-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    text-align: center;
    justify-content: center;
}

.featured-title i {
    color: var(--warning-color);
    font-size: 1.5rem;
}

.tools-grid-featured {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* ===============================================
   VIEW ALL TOOLS BUTTON
   =============================================== */
.view-all-container {
    text-align: center;
    margin: 3rem 0;
}

.btn-view-all {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-view-all::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.btn-view-all:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-hover), var(--info-color));
}

.btn-view-all .arrow-icon {
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn-view-all.expanded .arrow-icon {
    transform: rotate(180deg);
}

/* ===============================================
   ALL TOOLS SECTION (COLLAPSIBLE)
   =============================================== */
.all-tools-section {
    margin-top: 3rem;
    border-top: 2px solid var(--border-color);
    padding-top: 3rem;
    animation: fadeIn 0.5s ease-in-out;
}

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

.all-tools-section .tool-category-section {
    margin-bottom: 3rem;
}

.category-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* ===============================================
   TOOL CARDS - REFINED FOR BETTER LAYOUT
   =============================================== */

/* ===============================================
   TOOLS MODAL STYLES - OPTIMIZED FOR PERFORMANCE
   =============================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    padding-top: 100px;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay.hide {
    opacity: 0;
    visibility: hidden;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 1000px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--border-color);
    position: relative;
    transform: scale(0.95) translateY(-10px);
    transition: transform 0.2s ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.modal-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.25rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 1.5rem;
    max-height: calc(80vh - 100px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-secondary);
    /* Performance optimizations */
    will-change: scroll-position;
    transform: translateZ(0);
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.tools-categories {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.modal-category {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    position: relative;
    /* Simplified for performance */
    transition: transform 0.2s ease;
}

.modal-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
}

.modal-category:hover {
    transform: translateY(-1px);
}

.modal-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-category-title i {
    color: var(--primary-color);
    font-size: 1rem;
}

.modal-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.modal-tool-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s ease, border-color 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    /* Performance optimization */
    will-change: transform;
}

.modal-tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
}

.modal-tool-card.featured::before {
    height: 3px;
    background: linear-gradient(90deg, var(--warning-color), var(--primary-color), var(--info-color));
}

.modal-tool-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
}

.modal-tool-card.featured {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, var(--bg-card), rgba(245, 158, 11, 0.03));
}

.modal-tool-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.25rem;
    /* Removed heavy animation for performance */
}

.modal-tool-icon.media {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.modal-tool-icon.text {
    background: linear-gradient(135deg, #4834d4, #686de0);
}

.modal-tool-icon.generator {
    background: linear-gradient(135deg, #00d2d3, #01a3a4);
}

.modal-tool-icon.calculator {
    background: linear-gradient(135deg, #feca57, #ff9f43);
}

.modal-tool-icon.converter {
    background: linear-gradient(135deg, #48dbfb, #0abde3);
}

.modal-tool-icon.utility {
    background: linear-gradient(135deg, #1dd1a1, #10ac84);
}

.modal-tool-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.modal-tool-card p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.4;
    margin: 0;
    flex-grow: 1;
}

.modal-tool-tags {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.modal-tool-tags span {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.modal-tool-card:hover .modal-tool-tags span {
    background: var(--primary-color);
    color: white;
}

.modal-tool-card.featured .modal-tool-tags span {
    background: var(--warning-color);
    color: white;
    border-color: var(--warning-color);
}

/* Modal Responsive Design - Optimized */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 1rem;
        padding-top: 80px;
    }
    
    .modal-content {
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 1.25rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-body {
        padding: 1.25rem;
        max-height: calc(85vh - 80px);
    }
    
    .tools-categories {
        gap: 1.5rem;
    }
    
    .modal-category {
        padding: 1.25rem;
    }
    
    .modal-tools-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .modal-tool-card {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 0.5rem;
        padding-top: 60px;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-header h2 {
        font-size: 1.25rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-category {
        padding: 1rem;
    }
    
    .modal-tool-card {
        padding: 0.875rem;
    }
}