:root {
    --primary-color: #2ECC71;
    --primary-dark: #27AE60;
    --text-color: #2C3E50;
    --light-gray: #F5F6FA;
    --border-color: #E5E5E5;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Manrope', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

p {
    margin-bottom: 1rem;
}

/* Header/Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, #FFFFFF 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.55rem;
    max-width: 800px;
    margin: 0 auto;
    color: #444;
}

/* Features Grid */
.features-grid, .benefits-grid, .analytics-grid, .portal-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card, .benefit-card, .analytics-card, .portal-feature {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover, .benefit-card:hover, .analytics-card:hover, .portal-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.feature-card img, .benefit-card img, .analytics-card img, .portal-feature img {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
}

/* Sections */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background-color: var(--light-gray);
}

.section-subtitle {
    text-align: center;
    color: #444;
    margin-bottom: 3rem;
    font-size: 1.3rem;
}

/* Testimonial */
.testimonial {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin: 3rem auto;
    max-width: 800px;
    text-align: center;
    box-shadow: var(--shadow);
}

blockquote {
    font-size: 1.1rem;
    font-style: italic;
    color: #555;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 3rem auto;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Manrope', sans-serif;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input {
    width: auto;
}

.submit-button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
}

.submit-button:hover {
    background: var(--primary-dark);
}

/* Footer */
footer {
    background: var(--text-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

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

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 60px 0;
    }

    section {
        padding: 60px 0;
    }

    .features-grid, .benefits-grid, .analytics-grid, .portal-features {
        grid-template-columns: 1fr;
    }
    .section-subtitle {
        font-size: 1.1rem;
    }
    .hero-subtitle {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 40px 0;
    }

    section {
        padding: 40px 0;
    }
    .section-subtitle {
        font-size: 1.1rem;
    }
    .hero-subtitle {
        font-size: 1.3rem;
    }
}