/* Global Styles */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #2C3E50;
    --accent-color: #E74C3C;
    --light-color: #ECF0F1;
    --dark-color: #2C3E50;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Navigation */
.navbar {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    gap: 1rem;
    display: flex;
    flex-wrap: wrap;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--light-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

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

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

/* Steps Section */
.steps-section {
    padding: 100px 0;
}

.step-card {
    text-align: center;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

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

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-buttons {
    margin-top: 2rem;
    gap: 1rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

/* Animation Classes */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    transform: translateX(-100px);
}

.slide-in-right {
    transform: translateX(100px);
}

.fade-in {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-buttons, .cta-buttons {
        justify-content: center;
    }

    .feature-card, .step-card {
        margin-bottom: 1.5rem;
    }
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: darken(var(--primary-color), 10%);
    border-color: darken(var(--primary-color), 10%);
    transform: translateY(-2px);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Game-like Quiz Styles */
.quiz-game-container {
    background: linear-gradient(180deg, #87CEEB 0%, #B0E0E6 100%);
    min-height: 100vh;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.quiz-cloud {
    position: absolute;
    background: #fff;
    border-radius: 50px;
    opacity: 0.8;
}

.quiz-cloud-1 {
    width: 100px;
    height: 40px;
    top: 10%;
    left: 10%;
}

.quiz-cloud-2 {
    width: 150px;
    height: 60px;
    top: 20%;
    right: 15%;
}

.question-board {
    background: #8B4513;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 800px;
    position: relative;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.question-banner {
    background: #228B22;
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.question-content {
    background: #F5DEB3;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.answer-option {
    background: #FFD700;
    border: 3px solid #8B4513;
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.answer-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.answer-option.selected {
    background: #FFA500;
    border-color: #228B22;
}

.answer-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid #8B4513;
    border-radius: 50%;
    margin-right: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.answer-option.selected .answer-checkbox::after {
    content: '✓';
    color: #228B22;
    font-weight: bold;
}

.quiz-timer {
    background: #228B22;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}