:root {
    --primary-color: #0052FF;
    --primary-dark: #003ECC;
    --secondary-color: #F2F6FF;
    --text-dark: #121F3E;
    --text-light: #596787;
    --border-color: #E2E8F0;
    --card-bg: #FFFFFF;
    --body-bg: #F8FAFC;
    --success-color: #00BA88;

    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--body-bg);
    color: var(--text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    margin: 0;
    font-weight: 600;
}

h1 { font-size: 3.2rem; line-height: 1.2; }
h2 { font-size: 2.5rem; line-height: 1.2; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; color: var(--text-light); }


/* --- Header --- */
.topbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background-color: rgba(255, 255, 255, 0.8);
}
.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar .logo { font-weight: 700; font-size: 1.5rem; color: var(--primary-color); }
.topbar nav { display: flex; gap: 2rem; }
.topbar nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.topbar nav a:hover { color: var(--primary-color); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}


/* --- Buttons --- */
.btn {
    border-radius: 8px;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-block;
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn-primary { background-color: var(--primary-color); color: #fff; }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { border-color: var(--border-color); color: var(--primary-color); }
.btn-outline:hover { background-color: var(--secondary-color); }


/* --- Hero Section --- */
.hero {
    padding: 6rem 0;
    background-color: var(--secondary-color);
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}
.hero-content h1 { margin-bottom: 1rem; }
.hero-content p { font-size: 1.1rem; max-width: 500px; margin-bottom: 2rem; }
.hero-subtext { display: block; margin-top: 0.5rem; color: var(--text-light); font-size: 0.9rem; }
.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}


/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}
.section-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}
.section-header h2 { margin-bottom: 1rem; }


/* --- Features Section --- */
.features-section { padding: 6rem 0; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.2s;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.feature-card h3 { margin-bottom: 0.5rem; }


/* --- Reviews Section --- */
.reviews-section {
    padding: 6rem 0;
    background: var(--body-bg);
}
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.review-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.review-stars { color: #FFC107; margin-bottom: 1rem; }
.review-card p { flex-grow: 1; font-style: italic; }
.review-author { font-weight: 600; text-align: right; }


/* --- Pricing Section --- */
.pricing-section { padding: 6rem 0; }
.pricing-card {
    background: var(--card-bg);
    max-width: 450px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}
.pricing-subtitle { font-size: 1.1rem; margin-bottom: 2rem; }
.price {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary-color);
}
.pricing-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 3rem;
    text-align: left;
    display: inline-block;
}
.pricing-card ul li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}
.pricing-card ul li i {
    color: var(--success-color);
    margin-right: 10px;
    font-size: 1.2rem;
}


/* --- FAQ Section --- */
.faq-section { padding: 6rem 0; background: var(--secondary-color); }
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}
.faq-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.faq-item h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }


/* --- Footer --- */
footer {
    background: #121F3E;
    color: #fff;
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.footer-col p, .footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 2rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

/* --- Standout Section for Demo Quiz --- */
.standout-bg {
    background: var(--text-dark);
    padding: 6rem 0;
}
.standout-bg .section-header h2 {
    color: #FFFFFF;
}
.standout-bg .section-header p {
    color: rgba(255, 255, 255, 0.7);
}
.standout-bg .section-tag {
    background-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}
/* --- Logo Sizing Correction --- */
.topbar .logo img {
    max-height: 75px; /* You can adjust this value if needed */
    width: auto;
    display: block;
}