:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #16a085;
    --text-color: #333;
    --background-color: #f5f6fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)), 
                url('background.jpg') center/cover;
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    animation: fadeIn 1s ease-out;
    position: relative;
}

.scroll-down {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
}

.scroll-down:hover {
    opacity: 1;
}

.scroll-down .arrow {
    width: 10px;
    height: 10px;
    border: 2px solid var(--white);
    border-width: 2px 2px 0 0;
    transform: rotate(135deg);
    margin: 0 auto;
    animation: bounce 2s infinite;
}

/* Rest of the existing CSS styles remain unchanged */