body {
    background-color: #2C3E50;
    color: white;
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    text-align: center;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

h1,
h2,
h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

section {
    padding: 3rem 1rem;
}

.logo {
    height: 6rem;
    margin: 2rem auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    line-height: 1.2;
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
}

.sub-headline {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto 2rem auto;
    color: #bdc3c7;
    line-height: 1.6;
}

.cta-button {
    background-color: #F1C40F;
    color: #2C3E50;
    border: none;
    border-radius: 8px;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #f39c12;
}

.demo-video {
    max-width: 896px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem 1rem;
}

.feature-item h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    color: #F1C40F;
    margin: 0 0 0.5rem 0;
}

.feature-item h4 {
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
}

.feature-item p {
    color: #bdc3c7;
    line-height: 1.6;
}

.creator {
    background-color: #34495E;
}

.creator-image {
    max-width: 768px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.final-cta h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 2rem;
}

footer {
    padding: 2rem 1rem;
    border-top: 1px solid #34495E;
    font-size: 0.9rem;
    color: #7f8c8d;
}

.footer-links a {
    color: #95a5a6;
    text-decoration: none;
    margin: 0 1rem;
}

.footer-links a:hover {
    color: #F1C40F;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: #2C3E50;
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid #F1C40F;
    position: relative;
    width: 90%;
    max-width: 500px;
}

.close-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.modal-content h3 {
    margin-top: 0;
    margin-bottom: 2rem;
}

#email-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#email-form input {
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #7f8c8d;
    background-color: #34495E;
    color: white;
    font-size: 1.1rem;
}

#email-form button {
    background-color: #F1C40F;
    color: #2C3E50;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
}

@media (min-width: 768px) {
    .features {
        grid-template-columns: repeat(3, 1fr);
    }
}