/* 🎨 COLOR VARIABLES */
:root {
    --primary-color: #00c3ff;       /* Buttons, links, highlights */
    --primary-hover: #0095c0;       /* Button hover */
    --secondary-color: #fff;        /* Navbar text / body text default */
    --background-color: #f5f5f5;    /* Page background */
    --card-background: #fff;         /* Product / page cards */
    --blog-background: #f0f0f0;     /* Blog post background */
    --heading-color: #333;           /* Headings default */
    --navbar-background: #00c3ff;    /* Navbar background */
    --footer-background: #222;       /* Footer background */
    --border-color: #ccc;            /* Input borders */
}

/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    line-height: 1.6;
    color: var(--heading-color);
    background-color: var(--background-color);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--navbar-background);
    color: var(--secondary-color);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo img {
    height: 3rem;
    width: 3rem;
    border-radius: 50%;
    overflow: hidden;
}

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

.navbar .nav-links li a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
}

.navbar .nav-links li a:hover {
    text-decoration: underline;
}

.menu-toggle {
    display: none;
    font-size: 28px;
    cursor: pointer;
}

/* Pages */
.page {
    display: none;
    padding: 50px 20px;
    min-height: 80vh;
    background: var(--card-background);
    margin: 20px auto;
    border-radius: 10px;
    max-width: 1000px;
}

.page.active {
    display: block;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.product-card {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
    padding: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.product-card h3 {
    margin: 10px 0 5px 0;
    font-size: 18px;
}

.product-card .price {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 10px;
}

.product-card button {
    padding: 8px 15px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.product-card button:hover {
    background: var(--primary-hover);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

/* Blog */
.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post {
    background: var(--blog-background);
    padding: 20px;
    border-radius: 10px;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: auto;
}

.contact-form input,
.contact-form textarea {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.contact-form button {
    padding: 10px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.contact-form button:hover {
    background: var(--primary-hover);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .nav-links {
        position: absolute;
        top: 60px;
        right: 0;
        background: var(--navbar-background);
        flex-direction: column;
        width: 200px;
        display: none;
        padding: 10px;
        border-radius: 0 0 0 10px;
    }

    .navbar .nav-links.show {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .products {
        flex-direction: column;
        align-items: center;
    }
}