/* General Styles */
:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #ffd166;
    --dark-color: #2d3436;
    --light-color: #f7f7f7;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3 {
    font-family: 'Bubblegum Sans', cursive;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

/* Header */
header {
    background-color: white;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo h1 {
    font-size: 2.5rem;
    margin: 0;
}

.tagline {
    font-size: 1rem;
    color: var(--secondary-color);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    font-weight: 600;
    padding: 0.5rem;
    border-radius: 4px;
}

nav ul li a.active, 
nav ul li a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Gallery Section */
.gallery {
    padding: 2rem 0;
}

.gallery h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

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

.coloring-page {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.coloring-page:hover {
    transform: translateY(-5px);
}

.coloring-page img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 3px solid var(--accent-color);
}

.coloring-page h3 {
    padding: 1rem;
    font-size: 1.2rem;
    text-align: center;
}

/* About Section */
.about {
    background-color: white;
    padding: 4rem 0;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.about h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.about p {
    max-width: 800px;
    margin: 0 auto 1rem;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

footer a:hover {
    color: white;
}

/* Individual Coloring Page */
.coloring-detail {
    padding: 2rem 0;
}

.coloring-detail h1 {
    text-align: center;
    margin-bottom: 1rem;
}

.coloring-image {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 2rem 0;
    text-align: center;
}

.coloring-image img {
    max-width: 100%;
    max-height: 800px;
}

.download-btn {
    display: block;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 1rem 2rem;
    margin: 2rem auto;
    max-width: 300px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: var(--shadow);
}

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

.related-pages {
    margin-top: 3rem;
}

.related-pages h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
}

/* Media Queries */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .coloring-pages {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 2rem;
    }
    
    nav ul li {
        margin-left: 0.8rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}