/* Premium Hybrid Theme: TypingTest style with LiveChat feel */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Roboto+Mono&display=swap');

:root {
    --primary-color: #008489; /* The teal from image_7.png */
    --hover-color: #00696d;
    --success-green: #28a745;
    --background: #f4f7fa; /* Clean light background image_5.png */
    --card-bg: #ffffff;
    --text-dark: #333333;
    --text-light: #ffffff;
    --border-radius: 12px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header image_7.png Style */
header {
    background-color: var(--text-light);
    border-bottom: 1px solid #e1e8ed;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.btn-start {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

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

/* Card Grid image_5.png Style */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
    border: 1px solid #eee;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Footer image_3.png Style */
footer {
    background-color: var(--card-bg);
    border-top: 1px solid #e1e8ed;
    padding: 40px 0;
    margin-top: 80px;
    text-align: center;
}

.footer-links a {
    color: #6c757d;
    margin: 0 15px;
    text-decoration: none;
    font-size: 0.9rem;
}

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