/* Base Styles */
:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --accent-color: #00ff00;
    --gray-dark: #222;
    --gray-medium: #444;
    --gray-light: #eee;
    --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;
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 12px 24px;
    border: 2px solid var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

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

.logo h1 {
    font-size: 1.8rem;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

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

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1170&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--secondary-color);
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background-color: var(--gray-light);
}

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

.service-card {
    background-color: var(--secondary-color);
    padding: 2rem;
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

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

/* CTA Section */
.cta {
    padding: 5rem 0;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
}

.cta .btn:hover {
    background-color: transparent;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--gray-dark);
    color: var(--secondary-color);
    padding: 4rem 0 1rem;
}

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

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

.footer-logo span {
    color: var(--accent-color);
}

.footer-links h3, .footer-social h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after, .footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent-color);
}

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

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Page Header */
.page-header {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-align: center;
    padding: 8rem 0 4rem;
}

.page-header h2 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* About Page */
.about-content {
    padding: 5rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 15px;
}

.about-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.about-text p {
    margin-bottom: 1rem;
}

.about-image img {
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-section h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.team-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
}

.member-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: var(--gray-medium);
    margin: 0 auto 1.5rem;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Contact Page */
.contact-content {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
}

.contact-form h2, .contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 15px;
}

.contact-form h2::after, .contact-info h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

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

.info-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 991px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: var(--primary-color);
        transition: var(--transition);
        z-index: 100;
    }
    
    nav.active {
        left: 0;
    }
    
    nav ul {
        flex-direction: column;
        padding: 2rem;
    }
    
    nav ul li {
        margin: 1rem 0;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .section-title,
    .page-header h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h3::after, 
    .footer-social h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-icons {
        justify-content: center;
    }
}

.nav-btn {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: var(--primary-color);
    color: var(--accent-color);
}

.nav-btn::after {
    display: none;
}

/* Registration Page */
.register-content {
    padding: 5rem 0;
}

.register-form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--secondary-color);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.register-form-container h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 15px;
    text-align: center;
}

.register-form-container h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input {
    width: auto;
}

.checkbox-group label {
    margin-bottom: 0;
}

.login-link {
    text-align: center;
    margin-top: 2rem;
}

.login-link a {
    color: var(--accent-color);
    font-weight: 600;
}

.register-form .btn {
    width: 100%;
    margin-top: 1rem;
}

/* Chatbot Styles */
.chatbot-content {
    padding: 5rem 0;
}

.chatbot-container {
    max-width: 800px;
    margin: 0 auto 4rem;
    background-color: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.chatbot-header {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.chatbot-avatar {
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.chatbot-avatar i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.chatbot-info h3 {
    margin-bottom: 0.2rem;
    font-size: 1.2rem;
}

.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin-right: 5px;
}

.chat-messages {
    height: 350px;
    padding: 1.5rem;
    overflow-y: auto;
    background-color: #f9f9f9;
}

.message {
    margin-bottom: 1rem;
    max-width: 70%;
}

.user-message {
    margin-left: auto;
}

.bot-message {
    margin-right: auto;
}

.message-content {
    padding: 1rem;
    border-radius: 10px;
}

.user-message .message-content {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.bot-message .message-content {
    background-color: #e9e9e9;
    color: var(--primary-color);
}

.message-time {
    font-size: 0.75rem;
    margin-top: 0.3rem;
    opacity: 0.7;
    text-align: right;
}

.chat-input {
    display: flex;
    padding: 1rem;
    border-top: 1px solid #eee;
}

.chat-input input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.send-btn {
    background-color: var(--accent-color);
    color: var(--primary-color);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin-left: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-btn:hover {
    background-color: var(--primary-color);
    color: var(--accent-color);
}

.chat-suggestions {
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    border-top: 1px solid #eee;
}

.suggestion-btn {
    background-color: #f0f0f0;
    color: var(--primary-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.suggestion-btn:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.chatbot-features {
    margin-top: 4rem;
}

.chatbot-features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 15px;
}

.chatbot-features h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-color);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .chat-messages {
        height: 300px;
    }
    
    .message {
        max-width: 85%;
    }
    
    .chat-suggestions {
        justify-content: center;
    }
}

.loading-message .message-content {
    background-color: #f0f0f0;
    color: var(--gray-medium);
}

.loading-message .fa-spinner {
    margin-right: 8px;
}