:root {
    --primary: #71A7F1;
    --primary-hover: #5A8BD1;
    --bg-color: #f4f7fc;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --border-radius: 12px;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
}

.navbar {
    background-color: var(--card-bg);
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar h1 {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.hero {
    background: linear-gradient(135deg, var(--primary), #a2c6f8);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(113, 167, 241, 0.2);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

/* Iframe */
.iframe-container {
    width: 100%;
    height: 80vh;
    border: none;
    border-radius: var(--border-radius);
    background-color: white;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}