:root {
    --primary-green: #2d6a4f;
    --light-green: #d8f3dc;
    --dark-overlay: rgba(0, 0, 0, 0.4);
    --text-color: #1b4332;
    --white: #ffffff;
}

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    background-color: #f7fff7;
}

h1,
h2 {
    font-family: 'Lora', serif;
}

/* Hero Section with Background Image */
.hero {
    position: relative;
    height: 80vh;
    background-image: url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-overlay);
}

.content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding: 20px;
}

.content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* Button Styling */
.nature-btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.nature-btn:hover {
    background-color: #40916c;
    transform: translateY(-2px);
}

/* Gallery Section */
.gallery {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 4rem 2rem;
}

.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    width: 250px;
    text-align: center;
    border-bottom: 5px solid var(--primary-green);
    transition: transform 0.3s ease;
}

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

.card h2 {
    color: var(--primary-green);
}

#message {
    margin-top: 20px;
    font-size: 1.2rem;
    min-height: 1.5em;
    font-weight: 600;
    color: #b7e4c7;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}