/* Landing Page Styles */

/* Particles Background */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-light);
    z-index: -1;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: calc(100vh - 80px);
    padding: 0 var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    animation: fadeIn 1s ease-in-out;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.hero h1 .highlight {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.hero h1 .highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: floatAnimation 6s ease-in-out infinite;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* About Section */
.about {
    padding: var(--spacing-xxl) var(--spacing-xl);
    background-color: var(--bg-light);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(31, 38, 135, 0.2);
}

.about-card .icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.about-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Featured Topics Section */
.featured-topics {
    padding: var(--spacing-xxl) var(--spacing-xl);
    background-color: #f8f9fb;
}

.topics-preview {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.topic-card {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.05), rgba(114, 9, 183, 0.05));
    z-index: -1;
    transition: opacity var(--transition-normal);
    opacity: 0;
}

.topic-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.topic-card:hover::before {
    opacity: 1;
}

.topic-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.topic-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.topic-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) var(--spacing-xl);
    background-color: var(--bg-light);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xxl);
    max-width: 1200px;
    margin: 0 auto;
}

.contact-form, .contact-info {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.submit-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.3);
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.contact-method i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

/* Responsive design for the landing page */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xxl);
        padding-top: var(--spacing-xxl);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .about-card, .topic-card {
        min-width: 100%;
    }
    
    .contact-content {
        flex-direction: column;
    }
}