/* Main CSS for Our Story Website */

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

:root {
    /* Color Palette */
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #45b7d1;
    --warm-color: #f9ca24;
    --soft-pink: #f8b5c1;
    --soft-blue: #a8e6cf;
    --soft-purple: #dda0dd;
    --soft-gold: #f4d03f;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --black: #000000;
    
    /* Typography */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-script: 'Dancing Script', cursive;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 15px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
}

/* Base Typography */
body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--dark-gray);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* Main Header */
.main-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hearts" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><text x="10" y="15" text-anchor="middle" font-size="12" fill="rgba(255,255,255,0.1)">❤️</text></pattern></defs><rect width="100" height="100" fill="url(%23hearts)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.header-content {
    position: relative;
    z-index: 1;
}

.main-title {
    font-family: var(--font-script);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

.subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.progress-indicator {
    background: rgba(255,255,255,0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    display: inline-block;
    backdrop-filter: blur(10px);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.progress-text {
    font-size: 1rem;
    font-weight: 500;
}

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

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

/* Welcome Section */
.welcome-section {
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xxl);
    text-align: center;
}

.welcome-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-script);
    font-size: 2.8rem;
}

.welcome-text {
    font-size: 1.2rem;
    color: var(--medium-gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.8;
}

/* Chapters Overview */
.chapters-overview {
    margin-bottom: var(--spacing-xxl);
}

.chapters-overview h2 {
    text-align: center;
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-script);
    font-size: 2.8rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chapter-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.chapter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.chapter-card:hover::before {
    transform: scaleX(1);
}

.chapter-number {
    font-family: var(--font-script);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    opacity: 0.7;
}

.chapter-title {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.chapter-subtitle {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    font-weight: 500;
    font-style: italic;
    line-height: 1.6;
}

.chapter-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
}

.chapter-status.locked {
    background: var(--light-gray);
    color: var(--medium-gray);
}

.chapter-status.available {
    background: var(--soft-blue);
    color: var(--dark-gray);
}

.chapter-status.completed {
    background: var(--soft-pink);
    color: var(--dark-gray);
}

.chapter-card:hover .chapter-status.available {
    background: var(--secondary-color);
    color: var(--white);
}

/* Begin Journey Section */
.begin-journey {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.begin-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-script);
    font-size: 2.5rem;
}

.begin-content p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.begin-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.begin-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.begin-button:active {
    transform: translateY(0);
}

.button-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.begin-button:hover .button-icon {
    transform: translateX(5px);
}

/* Main Footer */
.main-footer {
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content p {
    margin: 0;
    font-size: 1rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .welcome-section,
    .begin-journey {
        padding: var(--spacing-lg);
    }
    
    .chapters-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .chapter-card {
        padding: var(--spacing-lg);
    }
    
    .chapter-number {
        font-size: 2.5rem;
    }
    
    .chapters-overview h2,
    .welcome-content h2,
    .begin-content h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .main-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .welcome-section,
    .begin-journey {
        padding: var(--spacing-md);
    }
    
    .chapter-card {
        padding: var(--spacing-md);
    }
    
    .chapters-overview h2,
    .welcome-content h2,
    .begin-content h2 {
        font-size: 1.8rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}