body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: #fff;
    padding-top: 90px;
}

header {
    background: #000;
    padding: 20px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-sizing: border-box;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
}

.nav-links a:hover {
    color: #e53935;
}

.hero {
    height: 80vh;
    background: url('img/gimnasio.png') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.btn {
    background: #e53935;
    padding: 12px 25px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
}

.section {
    padding: 60px 10%;
    background: #111;
}

.section.dark {
    background: #000;
}

.features, .pricing, .trainers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature, .price-card, .trainer {
    background: #1a1a1a;
    padding: 20px;
    border-radius: 10px;
}

.price {
    font-size: 24px;
    color: #e53935;
}

.trainer img {
    width: 100%;
    border-radius: 10px;
}

.map iframe {
    width: 100%;
    height: 300px;
    border: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: none;
    border-radius: 5px;
}

.bottom-info {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 30px;
    align-items: start;
}

.info-block {
    background: #1a1a1a;
    padding: 20px;
    border-radius: 10px;
}

.contact-form .btn {
    border: none;
    cursor: pointer;
}

@media (max-width: 900px) {
    .bottom-info {
        grid-template-columns: 1fr;
    }
}

footer {
    text-align: center;
    padding: 20px;
    background: #000;
}