* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f5f5f5;
    min-width: 300px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#header {
    background-color: #5555ff;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

#header:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

#navigation {
    list-style-type: none;
    display: flex;
    gap: 20px;
}

#navigation li {
    display: inline;
}

h1 a {
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

h1 a:hover {
    color: #ddddff;
}

a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

#navigation a {
    font-size: 1.2rem;
}

#navigation a:hover {
    color: #ddddff;
}

#menu-icon {
    display: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

#mobile-navigation {
    display: none;
    background-color: #5555ff;
    width: 100%;
    position: sticky;
    top: 80px;
    z-index: 998;
}

#mobile-navigation ul {
    list-style-type: none;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

#mobile-navigation a {
    display: block;
    padding: 30px;
    font-size: 1.2rem;
}

#mobile-navigation a:hover {
    background-color: #4444dd;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

#dim--blurry-background-image {
    background-image: url(hero.jpg);
    background-size: cover;
    background-position: center;
    background-color: #777;
    height: 300px;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    padding: 20px;
    text-align: center;
}

#dim--blurry-background-image::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

#introductory-h2, #introductory-p {
    position: relative;
    z-index: 2;
}

#introductory-h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

#introductory-p {
    font-size: 1.2rem;
}

#how-to-order {
    padding: 40px 20px;
    text-align: center;
    margin: 20px auto;
    max-width: 800px;
    border-radius: 8px;
    width: 90%;
}

#how-to-order h2 {
    margin-bottom: 20px;
    color: #333;
}

.steps p {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: #444;
    line-height: 1.5;
    text-align: left;
}

footer {
    background-color: #222;
    color: white;
    padding: 40px 20px;
    text-align: center;
    margin-top: auto;
}

footer h3 {
    margin-bottom: 20px;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: #fca311;
}

#search-container {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 20px 0 20px; 
    background-color: #f5f5f5;
}

#search-input {
    width: 100%;
    max-width: 600px; 
    padding: 15px 20px;
    font-size: 1.1rem;
    border: 2px solid #5555ff;
    border-radius: 30px; 
    outline: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#search-input:focus {
    box-shadow: 0 4px 10px rgba(85, 85, 255, 0.3);
    border-color: #3333ff;
}

#grid {
    display: grid;

    grid-template-columns: 1fr 1fr; 
    margin: 0 auto;
    padding: 20px;
    gap: 20px;
    justify-content: center;
    max-width: 1200px; 
}

#no-results-message {
    text-align: center;
    font-size: 1.5rem;
    color: #777;
    margin-top: 40px;
    display: none; 
}

.product {
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    width: 100%;
    height: 300px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);

    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    background-color: white;

    padding: 20px; 
    display: flex; 
    flex-direction: column; 
    justify-content: flex-end; 
    align-items: center; 

}

select {

    padding: 10px;
    font-size: 1rem;
    border-radius: 4px;
    border: 1px solid #ccc;

    width: 100%;       
    max-width: 300px;  
    cursor: pointer;   
    background-color: white; 

}

#productcategory1 {
    background-image: url(PaperAndNotebookProducts.png);
}

#productcategory2 {
    background-image: url(WritingAndArtMaterials.png);
}

#productcategory3 {
    background-image: url(EnvelopesAndFolders.png);
}

#productcategory4 {
    background-image: url(Adhesives.png);
}

#productcategory5 {
    background-image: url(FastenersAndClips.png);
}

#productcategory6 {
    background-image: url(Office.png);
}

@media screen and (max-width: 680px) {
    #navigation {
        display: none;
    }

    #menu-icon {
        display: block;
    }

    #header h1 a {
        font-size: 1.2rem;
    }

    #introductory-h2 {
        font-size: 1.8rem;
    }
    #grid {
        grid-template-columns: 1fr; 
    }
}