:root {
    --primary-color: #8A2BE2;
    --secondary-color: #4169E1;
    --accent-color: #FF4500;
    --text-dark: #333333;
    --text-light: #666666;
    --background-light: #FFFFFF;
    --background-off: #F8F9FA;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 15px 25px rgba(0, 0, 0, 0.1);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

p {
    margin-bottom: 1rem;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

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

/* Header */
header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.nav-link:hover {
    color: white;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-image: url('data:image/svg+xml;base64,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');
    background-color: white;
    background-attachment: fixed;
    padding: 8rem 0 5rem;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, transparent, white);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Featured Questions */
.featured {
    padding: 5rem 0;
    background-color: var(--background-off);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

.questions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.question-card {
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.question-category {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.question-text {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.question-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.question-difficulty {
    font-size: 0.9rem;
    color: var(--text-light);
}

.question-cta {
    font-weight: 600;
    color: var(--primary-color);
}

/* Categories Section */
.categories {
    padding: 5rem 0;
    background-color: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--background-off);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.category-image {
    height: 180px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.category-content {
    padding: 1.5rem;
}

.category-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.category-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.category-stats {
    display: flex;
    font-size: 0.9rem;
    color: var(--text-light);
}

.category-stat {
    margin-right: 1rem;
    display: flex;
    align-items: center;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background-color: var(--background-off);
}

.steps {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: white;
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    background: var(--gradient-primary);
    color: white;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Testimonials */
.testimonials {
    padding: 5rem 0;
    background-color: white;
}

.testimonial-slider {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--background-off);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 5rem;
    color: rgba(138, 43, 226, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    margin-right: 1rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: var(--background-off);
}

.accordion {
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.accordion-item {
    background: white;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    position: relative;
    font-weight: 600;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.accordion-content {
    padding: 0 1.5rem 1.5rem;
}

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

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-btn {
    background: white;
    color: var(--primary-color);
    font-weight: 700;
}

.cta-btn:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Footer */
footer {
    background-color: #2C2C2C;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.footer-about {
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

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

.social-icon {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    display: block;
    width: 50%;
    height: 3px;
    background: var(--primary-color);
    margin-top: 0.5rem;
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.contact-icon {
    margin-right: 1rem;
    color: var(--primary-color);
}

.contact-text {
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--accent-color);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--gradient-primary);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transition: 0.3s;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .questions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-btns {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step-card, .testimonial-card, .question-card {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.slide-up {
    animation: slideUp 0.8s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}