/* Root variables for easy color changes */
:root {
    --primary: #0057B7;
    --dark-blue: #003E80;
    --light-blue: #E6F2FF;
    --grey: #F5F7FA;
    --white: #FFFFFF;
}

/* Base styles */
html, body {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
    color: #333;
    background-color: var(--white);
    line-height: 1.5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    box-sizing: border-box;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white);
}

/* Hero section */
.hero {
    position: relative;
    background-image: url('hero.png');
    background-position: center;
    background-size: cover;
    color: var(--white);
    text-align: center;
    padding: 8rem 1rem;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.hero-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    margin: 0 0 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    margin: 0 0 2rem;
}

/* Buttons */
.cta-button {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: var(--dark-blue);
}

/* Features section */
.features {
    padding: 4rem 1rem;
    background: var(--grey);
    text-align: center;
}

.features h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-blue);
}

.feature-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.feature {
    flex: 1 1 250px;
    max-width: 260px;
}

.feature h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.feature p {
    font-size: 0.95rem;
    color: #555;
}

/* Waitlist section */
.waitlist {
    padding: 4rem 1rem;
    background: var(--light-blue);
    text-align: center;
}

.waitlist h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.waitlist p {
    font-size: 1rem;
    margin-bottom: 2rem;
}

#waitlist-form {
    max-width: 500px;
    margin: 0 auto 1rem;
    text-align: left;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}

#thank-you {
    font-size: 1rem;
    margin-top: 1rem;
    color: var(--dark-blue);
}

.waitlist small {
    display: block;
    font-size: 0.75rem;
    color: #666;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 1rem 0;
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 0.875rem;
}

/* Responsive design */
@media (max-width: 600px) {
    .hero {
        padding: 6rem 1rem;
    }
    .hero-content h2 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .nav {
        padding: 0.75rem 1rem;
    }
    .logo {
        font-size: 1.25rem;
    }
}