.front-body { background: #fff; }

.front-nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 40px; border-bottom: 1px solid var(--border);
}
.front-nav .brand { font-weight: 800; font-size: 1.2rem; color: var(--primary); }
.front-nav-links { display: flex; align-items: center; gap: 20px; }
.front-nav-links a:not(.btn) { color: var(--text); font-weight: 600; }

.hero {
    text-align: center;
    padding: 90px 24px 70px;
    background: linear-gradient(180deg, #eff6ff 0%, #fff 100%);
}
.hero h1 { font-size: 2.6rem; font-weight: 800; max-width: 780px; margin: 0 auto 18px; line-height: 1.2; }
.hero p { font-size: 1.15rem; color: var(--text-muted); max-width: 620px; margin: 0 auto 32px; line-height: 1.6; }
.btn-hero { padding: 14px 32px; font-size: 1.05rem; }

.feature-section, .exams-section, .pricing-section {
    max-width: 1100px; margin: 0 auto; padding: 60px 24px;
}
.exams-section h2, .pricing-section h2 { text-align: center; margin-bottom: 32px; font-size: 1.7rem; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature-card { background: #f8fafc; border-radius: 14px; padding: 28px; }
.feature-card h3 { margin: 0 0 10px; color: var(--primary-dark); }
.feature-card p { color: var(--text-muted); line-height: 1.6; margin: 0; }

.front-footer {
    text-align: center; padding: 40px 24px; border-top: 1px solid var(--border);
    color: var(--text-muted); font-size: 0.85rem;
}
.front-footer a { color: var(--text-muted); }

@media (max-width: 640px) {
    .hero h1 { font-size: 1.9rem; }
    .front-nav { padding: 14px 20px; }
}