:root {
    --bg-color: #f4f7f5;
    --card-bg: #ffffff;
    --primary-green: #2d5a27;
    --accent-warm: #d4a373;
    --text-color: #333;
    --border-radius: 12px;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

.icon-btn {
    padding: 0.5rem;
    background-color: var(--accent-warm);
    color: white;
    font-size: 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.icon-btn:hover {
    background-color: #ff7f50;
    transform: scale(1.05);
}

header {
    background: var(--primary-green);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header a { color: #e9ecef; text-decoration: none; font-weight: 500; }
header a:hover { color: #fff; }

main {
    width: 90%;
    max-width: 1200px;
    margin: 2rem auto;
}

.icon-btn:hover { background-color: #bc8a5c; }

main { width: 90%; max-width: 1200px; margin: 2rem auto; }