/* Global Variables */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

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

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

/* Header Styles */
header {
    background-color: var(--white);
    box-shadow: 0 2px 5px var(--shadow-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 1rem;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

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

.auth-buttons button {
    padding: 0.5rem 1rem;
    margin-left: 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color) !important;
}

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

/* Main Content Styles */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px - 300px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #c0392b;
}

/* Featured Tools Section */
.featured-tools {
    padding: 4rem 2rem;
    background-color: var(--light-gray);
}

.featured-tools h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 2rem 0;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.category-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
}

.category-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Tools Page Styles */
.tools-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.category-tabs {
    background-color: var(--white);
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.tabs-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.category-tab {
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.category-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

/* About Page Styles */
.about-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-section ul {
    list-style-position: inside;
    margin-left: 1rem;
}

/* Contact Page Styles */
.contact-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

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

/* Footer Styles */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
}

.modal-content {
    position: relative;
    background-color: white;
    margin: 15% auto;
    padding: 20px;
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    cursor: pointer;
}

.modal h2 {
    margin-bottom: 20px;
    text-align: center;
}

.modal form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal input {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

.modal button {
    padding: 10px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.modal button:hover {
    background-color: #357abd;
}

.modal p {
    text-align: center;
    margin-top: 15px;
}

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

.modal a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin: 1rem 0;
    }

    .auth-buttons {
        margin-top: 1rem;
    }

    .hero h1 {
        font-size: 2em;
    }

    .hero p {
        font-size: 1em;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .tabs-container {
        flex-direction: column;
        align-items: center;
    }

    .category-tab {
        width: 100%;
        text-align: center;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
}

/* Error Section Styles */
.error-section {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.error-section h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.error-section p {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.error-section .cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.error-section .cta-button:hover {
    background-color: var(--secondary-color);
}

/* New Styles from the code block */
.header {
    background-color: white;
    box-shadow: 0 2px 5px var(--shadow-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-links a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

/* Main Content */
main {
    margin-top: 80px;
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Tools Header */
.tools-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tools-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.tools-header p {
    color: #666;
    font-size: 1.1rem;
}

/* Category Tabs */
.category-tabs {
    margin-bottom: 2rem;
}

.tabs-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.category-tab {
    padding: 0.8rem 1.5rem;
    border: none;
    background-color: white;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-tab i {
    font-size: 1.1rem;
}

.category-tab:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
}

.category-tab.active {
    background-color: var(--primary-color);
    color: white;
}

/* Tools Grid */
.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

/* Tool Card */
.tool-card {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

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

.tool-header h3 {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.rating {
    color: #f39c12;
    font-weight: 500;
}

.description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.features {
    margin-bottom: 1.5rem;
}

.features h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.features ul {
    list-style: none;
}

.features li {
    color: #666;
    margin-bottom: 0.3rem;
    padding-left: 1.5rem;
    position: relative;
}

.features li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

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

.tool-meta {
    display: flex;
    gap: 1rem;
}

.category, .price {
    font-size: 0.9rem;
    color: #666;
    background-color: var(--light-gray);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
}

.visit-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.visit-button:hover {
    background-color: #357abd;
}

/* New Styles from the code block */
.page-header {
    background: linear-gradient(135deg, #6B73FF 0%, #000DFF 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 2rem;
    text-align: center;
}

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

.page-header .lead {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* New Styles from the code block */
.categories-container {
    margin-bottom: 2rem;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.category-button {
    background: white;
    color: #333;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.2s;
}

.category-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    background: #f0f0f0;
    color: #000DFF;
    text-decoration: none;
}

/* New Styles from the code block */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .category-buttons {
        flex-direction: column;
        align-items: center;
    }

    .category-button {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}