:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #f72585;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4cc9f0;
    --warning-color: #f9c74f;
    --danger-color: #f94144;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

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

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

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

/* Form Styles */
.generator-form {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    margin-bottom: 0;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

button:hover {
    background-color: var(--secondary-color);
}

/* Results Section */
.results {
    margin-bottom: 40px;
}

.results h2 {
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.domain-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

.domain-name {
    font-size: 1.1rem;
    font-weight: 500;
}

.copy-btn {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: 1px solid var(--light-gray);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

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

.copy-btn.copied {
    background-color: var(--success-color);
    color: white;
}

/* Loading Spinner */
.hidden {
    display: none;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* Error Message */
.error-message {
    background-color: #ffe6e6;
    color: var(--danger-color);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid var(--danger-color);
}

/* SEO Content Section */
.seo-content {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

.seo-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.seo-content h3 {
    font-size: 1.4rem;
    margin: 25px 0 15px;
    color: var(--secondary-color);
}

.seo-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}

/* Blog Preview */
.blog-preview {
    margin-bottom: 40px;
}

.blog-preview h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.blog-grid article {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.blog-grid h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.blog-grid h3 a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.blog-grid h3 a:hover {
    color: var(--primary-color);
}

/* FAQ Section */
.faq-section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: var(--box-shadow);
}

.faq-section h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 25px;
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.faq-answer {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 30px 0;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer nav ul {
    display: flex;
}

footer nav ul li {
    margin-left: 20px;
}

footer nav ul li a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

footer nav ul li a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 15px;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .suggestions-grid {
        grid-template-columns: 1fr;
    }
    
    footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    footer nav ul {
        margin-top: 15px;
        justify-content: center;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0 30px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .generator-form {
        padding: 20px;
    }
    
    .seo-content {
        padding: 20px;
    }
    
    .faq-section {
        padding: 20px;
    }
}