body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: #0a192f;
    color: #ccd6f6;
    text-align: center;
    line-height: 1.6;
}

nav {
    background: #0a192f;
    padding: 15px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    margin-left: 20px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #64ffda;
    margin: 2px 0;
    transition: 0.4s;
}

.nav-menu {
    list-style: none;
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 20px;
    background: #0a192f;
    padding: 10px 0;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-menu.active {
    display: flex;
}

.nav-menu li {
    margin: 10px 0;
}

.nav-menu a {
    color: #ccd6f6;
    text-decoration: none;
    padding: 10px 20px;
    display: block;
}

.nav-menu a:hover {
    background-color: #172a45;
    border-radius: 5px;
}

.header-image {
    padding: 20px;
    background: #0a192f;
    display: flex;
    justify-content: center;
}

.header-logo {
    max-width: 100%;
    height: auto;
    max-height: 200px;
}

.btn {
    background-color: #64ffda;
    color: #0a192f;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.animated-btn:hover {
    background-color: #4ed6c5;
}

.animated-btn:active {
    transform: scale(0.95);
    background-color: #3ab7a8;
}

.header {
    padding: 150px 20px 50px;
    min-height: 100vh;
    background: #0a192f url('background.jpg') no-repeat center center;
    background-size: cover;
    max-width: 1200px;
    margin: 0 auto;
}

.profile-img {
    border-radius: 50%;
    width: 200px;
    border: 3px solid #64ffda;
}

.header h1 {
    color: #64ffda;
    font-size: 48px;
    margin: 10px 0;
    text-transform: uppercase;
}

.header h2 {
    color: #ccd6f6;
    font-size: 32px;
    margin: 10px 0;
}

.header p {
    max-width: 600px;
    margin: 20px auto;
    font-size: 18px;
}

.social {
    margin: 20px 0;
}

.social-icon {
    width: 40px;
    margin: 0 10px;
}

.section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section h2 {
    color: #64ffda;
    font-size: 36px;
    margin-bottom: 40px;
}

.projects {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.projects .card {
    margin: 10px;
    background: #172a45;
    padding: 20px;
    border-radius: 10px;
    width: 250px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    flex: 1 1 250px;
}

.pricing {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.plan {
    background: #172a45;
    padding: 20px;
    border-radius: 10px;
    width: 250px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    flex: 1 1 250px;
}

.plan.popular::before {
    content: "Más Popular";
    background: #64ffda;
    color: #0a192f;
    padding: 5px 10px;
    border-radius: 5px;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.plan h3 {
    color: #64ffda;
    font-size: 24px;
}

.price {
    color: #64ffda;
    font-size: 28px;
    margin: 10px 0;
}

.price span {
    font-size: 16px;
}

.plan ul {
    list-style: none;
    padding: 0;
    text-align: left;
    margin: 20px 0;
}

.plan ul li {
    margin: 10px 0;
    color: #ccd6f6;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .nav-menu {
        left: 10px;
        width: 150px;
    }
    .header {
        padding: 100px 20px 30px;
    }
    .pricing, .projects {
        flex-direction: column;
        align-items: center;
    }
    .plan, .card {
        width: 90%;
        margin-bottom: 20px;
    }
    .header-logo {
        max-height: 150px;
    }
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
    .nav-menu {
        display: flex;
        flex-direction: row;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
        margin-left: 20px;
    }
    .nav-menu li {
        margin: 0 15px;
    }
}