body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: #333;
    text-align: center;
}

.hero-section {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('blackberry.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: white;
    padding: 20px;
    box-sizing: border-box;
}

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

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

.sub-headline {
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.cta-button {
    background-color: #fff;
    color: #333;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.cta-button:hover {
    transform: scale(1.05);
}

.content-section {
    background-color: #ffffff;
    padding: 60px 20px;
    text-align: left;
}

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

.content-wrapper h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.content-wrapper p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.features-section {
    padding: 60px 20px;
    background-color: #f9f9f9;
}

.features-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
}

.feature-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
}

.form-section {
    padding: 60px 20px;
    background-color: #ffffff;
}

.form-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.form-section p {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

form {
    max-width: 500px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 1rem;
}

input[type="email"] {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

form button {
    background-color: #222;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

form button:hover {
    background-color: #444;
}

.disclaimer {
    font-size: 0.9rem;
    color: #666;
    margin-top: 1rem !important;
}

#successMessage h3, #alreadySignedUpMessage h3 {
    font-size: 2rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    .sub-headline {
        font-size: 1.1rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .form-row {
        flex-direction: column;
    }
}