body {
    font-family: 'Roboto', sans-serif;
    background-color: white;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.8;
    letter-spacing: 0.5px;
}
nav {
    background-color: #f5f5f5;
    position: relative;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.logo {
    display: block;
    margin: 0 auto 20px;
    width: 200px;
    height: auto;
    animation: fadeIn 1s ease-in;
}
.cart-icon {
    position: absolute;
    top: 20px;
    right: 50px;
    cursor: pointer;
}
.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 15px;
    color: #81d4fa;
    z-index: 101;
}
nav ul {
    list-style: none;
    padding: 0 0 0 140px;
    display: flex;
    justify-content: center;
}
nav ul.show {
    display: flex;
}
nav li {
    margin: 0 15px;
}
nav a {
    text-decoration: none;
    color: #4caf50;
    font-family: 'Montserrat', sans-serif;
    transition: color 0.3s;
}
nav a:hover {
    color: #388e3c;
    text-decoration: underline;
}
header {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(to bottom, #add8e6, #f5f5f5), url('https://www.shutterstock.com/shutterstock/photos/2283002161/display_1500/stock-vector-abstract-gradient-green-blue-liquid-background-modern-background-design-dynamic-waves-fluid-2283002161.jpg') no-repeat center/cover;
    position: relative;
    color: #fff;
    box-shadow: none;
}
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}
header h1, header p, header ul, header button {
    position: relative;
    z-index: 1;
    animation: fadeIn 1s ease-in;
}
header h1, header p {
    max-width: 65%;
    margin: 0 auto;
}
h1 {
    font-family: 'Montserrat', sans-serif;
    color: #388e3c;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}
h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: #388e3c;
}
.benefits {
    list-style: none;
    padding: 0;
    max-width: 600px;
    margin: 10px auto;
}
.benefits li {
    margin: 5px 0;
}
button {
    background-color: #a5d6a7;
    color: white;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    font-size: 18px;
    border-radius: 5px;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #81c784;
}
#how-it-works {
    text-align: center;
    padding: 30px 20px;
}
.steps {
    display: flex;
    justify-content: space-around;
}
.step {
    width: 30%;
    animation: fadeIn 1s ease-in;
}
.icon {
    display: block;
    font-size: 24px;
    background-color: #a5d6a7;
    color: white;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    margin: 0 auto 10px;
}
section {
    max-width: 800px;
    margin: 10px auto;
    padding: 15px;
}
#intro {
    text-align: left;
}
#testimonials {
    background-color: #f5f5f5;
    padding: 30px 20px;
    text-align: center;
}
#testimonials blockquote {
    font-style: italic;
    margin: 10px 0;
    animation: fadeIn 1s ease-in;
}
form {
    display: flex;
    flex-direction: column;
}
label {
    margin-top: 10px;
}
input, textarea, select {
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
footer {
    text-align: center;
    padding: 20px;
    background-color: #f5f5f5;
    font-size: 14px;
}
.trust-badges {
    margin-top: 10px;
    font-size: 12px;
    color: #666;
}
footer form {
    max-width: 400px;
    margin: 10px auto;
}
audio {
    margin: 10px 0;
}
.samples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.sample-card {
    background: #f5f5f5;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}
.testimonial-card {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeIn 1s ease-in;
}
.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}
.testimonial-card blockquote {
    font-style: italic;
    margin: 0 0 10px 0;
}
.author {
    text-align: right;
    font-size: 0.9em;
    color: #666;
}
details {
    margin: 10px 0;
    border-bottom: 1px solid #ccc;
}
summary {
    cursor: pointer;
    font-weight: bold;
    font-family: 'Montserrat', sans-serif;
}
.required:after {
    content: " *";
    color: red;
}
@media (max-width: 600px) {
    header, section {
        padding: 15px;
    }
    .hamburger {
        display: block;
    }
    nav ul {
        display: none;
        flex-direction: column;
        padding: 0;
        align-items: center;
    }
    nav ul li {
        margin: 10px 0;
    }
    body {
        font-size: 18px;
    }
    button {
        padding: 15px 30px;
        font-size: 20px;
    }
    .steps {
        flex-direction: column;
    }
    .step {
        width: 100%;
        margin: 10px 0;
    }
    .cart-icon {
        top: 50px;
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
header {
    animation: parallax 0.5s ease-in;
}
@keyframes parallax {
    from { background-position: center 0; }
    to { background-position: center 20px; }
}
.hero-logo {
    display: block;
    margin: 20px auto;
    width: 200px;
    height: auto;
    animation: fadeIn 1s ease-in;
    position: relative;
    z-index: 2; /* Ensure above overlay */
}
#nutrition-tips {
    padding: 20px;
    background-color: #f5f5f5;
    margin-top: 20px;
    border-radius: 5px;
}