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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fafafa;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #FF6B6B;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-menu a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #FF6B6B;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E72 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-btn {
    background-color: #1E88E5;
    color: white;
    padding: 15px 40px;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
}

.cta-btn:hover {
    background-color: #0D47A1;
}

/* Sections */
section {
    padding: 60px 20px;
}

h2 {
    font-size: 2.2rem;
    color: #FF6B6B;
    margin-bottom: 2rem;
    text-align: center;
}

/* Why Test Section */
.why-section {
    background-color: #f5f5f5;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #1E88E5;
}

.stat-card h3 {
    color: #1E88E5;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.stat-card p {
    color: #666;
}

.myth-busting {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.myth-busting h3 {
    color: #FF6B6B;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.myth-busting ul {
    list-style: none;
}

.myth-busting li {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.myth-busting li:last-child {
    border-bottom: none;
}

/* Where Section */
.where-section {
    background-color: white;
}

.clinic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.clinic-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.clinic-card h3 {
    color: #1E88E5;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.clinic-card p {
    margin-bottom: 0.5rem;
    color: #333;
}

.info-text {
    color: #0D47A1;
    font-weight: 600;
}

/* What to Expect */
.expect-section {
    background-color: #f5f5f5;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.step-number {
    background-color: #1E88E5;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    color: #FF6B6B;
    margin-bottom: 1rem;
}

.step p {
    color: #666;
    font-size: 0.95rem;
}

/* STI Types */
.sti-section {
    background-color: white;
}

.sti-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.sti-card {
    background: linear-gradient(135deg, #fff5e6 0%, #ffe0b2 100%);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #FF6B6B;
}

.sti-card h3 {
    color: #FF6B6B;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.sti-card p {
    margin-bottom: 0.8rem;
    color: #333;
    font-size: 0.95rem;
}

/* Comparison Table */
.comparison-section {
    background-color: #f5f5f5;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.comparison-table thead {
    background-color: #1E88E5;
    color: white;
}

.comparison-table th {
    padding: 1.2rem;
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: 1.2rem;
    border-bottom: 1px solid #eee;
}

.comparison-table tbody tr:hover {
    background-color: #f9f9f9;
}

/* FAQ Section */
.faq-section {
    background-color: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: #1E88E5;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: #333;
    line-height: 1.7;
}

/* Footer */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 3rem 20px;
    margin-top: 2rem;
}

.footer p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer a {
    color: #FF6B6B;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .stats-grid,
    .clinic-grid,
    .steps,
    .sti-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.8rem;
        font-size: 0.85rem;
    }

    section {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-btn {
        padding: 12px 30px;
        font-size: 0.95rem;
    }
}