body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #ffffff;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background-color: #1e1e1e;
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid #ff0000;
}

h1 {
    margin: 0;
    color: #00ff00;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 10px 0 0 0;
}

nav li {
    display: inline;
    margin: 0 15px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ff0000;
}

main {
    padding: 20px;
    text-align: center;
}

section {
    padding: 20px;
    margin: 20px 0;
}

#produtos {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

article {
    background-color: #1e1e1e;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 15px;
    margin: 10px;
    width: 300px;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

article h3 {
    color: #00ff00;
    margin-top: 0;
}

article p {
    margin: 5px 0;
}

#contato {
    background-color: #1e1e1e;
    text-align: center;
}

footer {
    background-color: #1e1e1e;
    text-align: center;
    padding: 10px;
    border-top: 2px solid #ff0000;
    color: #cccccc;
}

input[type="number"] {
    width: 60px;
    margin: 5px;
    padding: 5px;
    background-color: #333;
    color: #fff;
    border: 1px solid #555;
    border-radius: 4px;
}

#intro {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #121212;
    z-index: 1000;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.intro-content {
    max-width: 600px;
    padding: 20px;
}

.fade-in {
    animation: fadeIn 2s ease-in;
}

.fade-in-delay {
    animation: fadeIn 2s ease-in 1s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.enter-btn {
    background-color: #ff0000;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 20px;
}

.enter-btn:hover {
    background-color: #cc0000;
}

#main-content {
    display: none;
}

button {
    background-color: #ff0000;
    color: white;
    border: none;
    padding: 5px 10px;
    margin: 5px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #cc0000;
}

#carrinho {
    background-color: #1e1e1e;
    padding: 20px;
    margin: 20px 0;
    border: 1px solid #333;
}

#cart-items p {
    margin: 5px 0;
    color: #00ff00;
}

#intro {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000, #1a1a1a, #333333);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    color: #ffffff;
    text-align: center;
}

.intro-content h1 {
    font-size: 3em;
    margin-bottom: 20px;
    color: #00ff00;
    animation: fadeIn 2s ease-in;
}

.intro-content p {
    font-size: 1.5em;
    margin-bottom: 40px;
    animation: fadeIn 2s ease-in 1s both;
}

.enter-btn {
    background-color: #ff0000;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s;
    animation: fadeIn 2s ease-in 2s both;
}

.enter-btn:hover {
    background-color: #cc0000;
}

#main-content {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

header p {
    font-size: 0.8em;
    color: #cccccc;
    text-align: center;
    margin: 5px 0;
}

/* Media Queries para responsividade */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5em;
    }

    nav ul {
        padding: 0;
    }

    nav li {
        display: block;
        margin: 5px 0;
    }

    #produtos {
        flex-direction: column;
        align-items: center;
    }

    article {
        width: 90%;
        max-width: 400px;
    }

    .intro-content h1 {
        font-size: 1.8em;
    }

    .intro-content p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    header {
        padding: 10px;
    }

    section {
        padding: 10px;
    }

    article {
        padding: 10px;
    }

    .enter-btn {
        padding: 8px 15px;
        font-size: 16px;
    }
}