/* Global Styles */
:root {
    --primary-color: #007bff;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --background-color: #f4f4f9;
    --text-color: #202124;
    --light-text: #5f6368;
    --border-color: #dadce0;
    --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-align: center;
    transition: var(--transition);
}

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

/* Header & Navigation */
header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-container {
    display: flex;
    justify-content: center;
    margin: 2rem auto;
    max-width: 600px;
}

.search-container input {
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 1rem;
}

.search-container button {
    background-color: white;
    color: var(--primary-color);
    border: none;
    padding: 12px 20px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-container button:hover {
    background-color: #f0f0f0;
}

/* Tools Sections */
.tools-section {
    padding: 4rem 0;
}

.tools-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.categories {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.category-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    padding: 2rem;
    text-align: center;
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.category-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.category-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

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

.tool-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tool-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tool-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.tool-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.tool-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
}

.tool-link:hover {
    color: var(--secondary-color);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Ad Container */
.ad-container {
    max-width: 1200px;
    margin: 2rem auto;
    text-align: center;
    padding: 1rem;
    background-color: #f0f0f0;
    border-radius: 8px;
}

/* Footer */
footer {
    background-color: #202124;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #dadce0;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-links ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.footer-links a {
    color: #dadce0;
}

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

.copyright {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #5f6368;
    color: #dadce0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .category-card {
        min-width: 250px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-links ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .search-container input,
    .search-container button {
        width: 100%;
        border-radius: 4px;
    }
    
    .search-container button {
        margin-top: 0.5rem;
    }
    
    .category-card {
        min-width: 100%;
    }
}