:root {
    --primary-color: #5c67f2;
    --primary-hover: #6a74fa;
    --bg-light: #f9f9f9;
    --bg-main: #f4f4f4;
    --text-color: #333;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --transition: 0.3s ease;
    --font-main: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* Basic reset and font settings */
body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #333;
    color: white;
    padding: 2rem 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header h2 {
    font-weight: 400;
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

/* Navigation */
nav ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius);
    transition: background var(--transition);
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Section for form */
section {
    background: white;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 600px;
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

/* Form styling */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    font-size: 1rem;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: var(--radius);
    font-size: 1rem;
    box-sizing: border-box;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Button styling */
button {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition), transform var(--transition);
    width: 100%;
    margin-top: 1rem;
}

button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 4rem;
    font-size: 0.9rem;
}

footer p {
    margin: 0;
}

/* Responsive */
@media (max-width: 600px) {
    section {
        margin: 1rem;
        padding: 1.5rem;
    }

    button {
        font-size: 0.95rem;
        padding: 0.6rem 1.2rem;
    }
}