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

/* Body styles */
body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #2E2E2E;
    background: url('https://images.gptkong.com/article/b/1004_0.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
    overflow-x: hidden;
}

/* Overlay for background */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(240, 248, 255, 0.6);
    z-index: -1;
}

/* Navigation Bar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #2E8B57;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #FF4500;
}

/* Sections */
section {
    padding: 100px 20px 60px 20px;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin-top: 80px;
    margin-bottom: 40px;
}

/* Section Titles */
section h2, section h3 {
    color: #2E8B57;
    margin-bottom: 20px;
    position: relative;
}

section h2::after, section h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #FF4500;
    left: 0;
    bottom: -10px;
}

/* Images */
section img {
    display: block;
    max-width: 100%;
    min-width: 500px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
    margin: 20px 0;
}

section img:hover {
    transform: scale(1.05);
}

/* Decorative separators */
section::before {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #2E8B57, #FF4500);
    margin-bottom: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
    }
    nav ul li {
        margin: 10px 0;
    }
    section {
        padding: 80px 15px 50px 15px;
    }
    section img {
        min-width: 100%;
    }
}

/* Animations for falling petals */
@keyframes fall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.petal {
    position: fixed;
    top: -50px;
    width: 50px;
    height: 50px;
    background: rgba(255, 182, 193, 0.7);
    border-radius: 50%;
    animation: fall linear infinite;
}

.petal:nth-child(1) {
    left: 10%;
    animation-duration: 5s;
}

.petal:nth-child(2) {
    left: 30%;
    animation-duration: 7s;
}

.petal:nth-child(3) {
    left: 50%;
    animation-duration: 6s;
}

.petal:nth-child(4) {
    left: 70%;
    animation-duration: 8s;
}

.petal:nth-child(5) {
    left: 90%;
    animation-duration: 5.5s;
}