/* Modern CSS Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --dark: #1f2937;
    --darker: #111827;
    --light: #f8fafc;
    --lighter: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --border: #e5e7eb;
    --border-dark: #d1d5db;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--light);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

/* Modern Header */
.modern-header {
    background: var(--lighter);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.modern-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.top-bar {
    background: var(--dark);
    color: var(--lighter);
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-right: 1.5rem;
}

.contact-info i {
    margin-right: 0.5rem;
    color: var(--primary);
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
}

.auth-btn {
    color: var(--lighter);
    text-decoration: none;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

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

.auth-btn:hover {
    background: var(--primary-dark);
}

/* Main Header */
.main-header {
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark);
}

.logo-icon {
    font-size: 2rem;
}

/* Navigation */
.main-nav {
    flex: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a:focus {
    color: var(--primary);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-menu li a:hover::after {
    width: 100%;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.action-btn {
    background: none;
    border: none;
    padding: 0.75rem;
    border-radius: var(--radius);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
}

.mobile-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--gray-600);
    transition: var(--transition);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
}

.search-overlay[x-show] {
    display: block;
}

.search-container {
    position: relative;
    top: 20%;
    max-width: 800px;
    margin: 0 auto;
}

.close-search {
    position: absolute;
    top: -4rem;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.modern-search-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.search-input-group {
    display: flex;
    gap: 1rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.category-filter {
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: white;
    min-width: 200px;
}

.search-submit {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.search-submit:hover {
    background: var(--primary-dark);
}

.search-results {
    margin-top: 1rem;
    background: white;
    border-radius: var(--radius);
    max-height: 400px;
    overflow-y: auto;
}

/* Modern Hero */
.modern-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.modern-hero::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 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Hero Search */
.hero-search-form {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: 3rem;
}

.search-fields {
    display: flex;
    gap: 1rem;
}

.search-field {
    flex: 2;
    position: relative;
}

.search-field i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-field input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
}

.category-field {
    flex: 1;
}

.category-field select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: white;
}

.search-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
}

.floating-card {
    position: absolute;
    background: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card:nth-child(1) { animation-delay: 0s; }
.floating-card:nth-child(2) { animation-delay: 1s; }
.floating-card:nth-child(3) { animation-delay: 2s; }

.card-1 { top: -50px; right: 100px; }
.card-2 { top: 50px; right: 0; }
.card-3 { top: 150px; right: 80px; }

.card-icon {
    font-size: 1.5rem;
}

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

/* Modern Tools Grid */
.tools-grid {
    display: grid;
    gap: 2rem;
    padding: 4rem 0;
}

.tools-grid.modern-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.tools-grid.modern-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

/* Modern Tool Card */
.tool-card-modern {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.tool-card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.tool-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.tool-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.tool-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.tool-card-modern:hover .tool-card-image img {
    transform: scale(1.05);
}

.tool-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.7));
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition);
}

.tool-card-modern:hover .tool-card-overlay {
    opacity: 1;
}

.tool-card-actions {
    display: flex;
    gap: 0.5rem;
}

.tool-action-btn {
    background: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

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

.tool-card-content {
    padding: 1.5rem;
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.tool-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.tool-card-title a {
    color: var(--dark);
    text-decoration: none;
}

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

.tool-card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.tool-card-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.tool-card-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--secondary);
}

.tool-card-category {
    background: var(--gray-100);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.tool-card-excerpt {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tool-card-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.tool-card-features li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.875rem;
}

.tool-card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

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

.tool-card-link {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.tool-card-compare {
    background: none;
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.tool-card-compare:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Modern Footer */
.modern-footer {
    background: var(--darker);
    color: white;
    padding: 4rem 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gray-700);
    color: white;
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding: 2rem 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .tools-grid.modern-grid[data-columns="3"],
    .tools-grid.modern-grid[data-columns="4"] {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .header-content {
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        flex-basis: 100%;
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu li a {
        padding: 1rem 0;
        display: block;
        border-bottom: 1px solid var(--border);
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .search-fields {
        flex-direction: column;
    }
    
    .tools-grid.modern-grid[data-columns="3"],
    .tools-grid.modern-grid[data-columns="4"] {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .top-bar-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .contact-info span {
        margin-right: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
}