:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --background-color: #ffffff;
    --section-alt-bg: #f8f9fa;
    --dark-color: #212529;
    --light-color: #ffffff;
    --text-color: #343a40;
    --text-muted: #6c757d;
    --border-radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}

body {
    margin: 0;
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

header {
    background: var(--light-color);
    padding: 1.5rem 0;
    border-bottom: 1px solid #dee2e6;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    height: 32px;
    margin-right: 12px;
}

.hero {
    background-color: var(--background-color);
    text-align: center;
    padding: 100px 20px 80px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
    color: var(--text-muted);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-secondary {
    background-color: var(--light-color);
    color: var(--dark-color);
    border-color: #dee2e6;
}

.btn-secondary:hover {
    background-color: #e9ecef;
    transform: translateY(-3px);
}

.cta-subtext {
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.features, .social-proof {
    padding: 80px 20px;
    text-align: center;
}

.features {
    background-color: var(--section-alt-bg);
}

.features h2, .social-proof h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: var(--dark-color);
}

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

.feature-card, .testimonial-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    color: var(--dark-color);
}

.testimonial-card p {
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.testimonial-card span {
    font-weight: 600;
    color: var(--primary-color);
}


footer {
    background: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 3rem 0;
    margin-top: 60px;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

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

/* Animation */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}


@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    .features h2, .social-proof h2 {
        font-size: 2.2rem;
    }
}