body, h1, h2, p, ul, li, a {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    text-decoration: none;
}

body {
    background-color: #111;
    color: #ddd; 
    line-height: 1.6;
}

header {
    background-color: #000;
    color: #ddd;
    text-align: center;
    padding: 1rem 0;
}

nav a {
    margin: 0 15px;
    color: #ddd;
    text-transform: uppercase;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 900px;
    margin: 20px auto;
    padding: 20px;
    background-color: #222;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

main li {
    margin-left: 20px;
    margin-right: 20px;
}

h2 {
    border-bottom: 2px solid #444;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

p {
    margin-bottom: 20px;
}

footer {
    text-align: center;
    margin-top: 30px;
}

footer ul {
    list-style-type: none;
}

footer li {
    display: inline-block;
    margin: 0 10px;
}

footer a {
    color: #ddd;
}

footer p {
    margin-top: 20px;
}

footer a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
}

figcaption {
    font-style: italic;
    text-align: center;
    margin-top: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table tr th {
    color: #fff;
}

/* Table styling */

table th, table td {
    border: 1px solid black;
    padding: 10px;
    color: #111; 
}

table tr:nth-child(odd) {
    background-color: #aaa;
}

table tr:nth-child(even) {
    background-color: #ccc;
}

table tr:first-child {
    background-color: #333;
    color: #fff;
}

.special-th {
    color: black;
}


button, input[type="submit"], input[type="reset"], input[type="text"], input[type="tel"], input[type="email"], select {
    margin-bottom: 15px; 
}

button, input[type="submit"], input[type="reset"] {
    background-color: #333; 
    color: #fff;
    border: none;
    padding: 12px 18px; 
    cursor: pointer;
    transition: 0.3s;
    display: inline-block; 
    margin-right: 10px;
}

button:hover, input[type="submit"]:hover, input[type="reset"]:hover {
    background-color: #555;
}

input[type="text"], input[type="tel"], input[type="email"], select {
    padding: 10px; 
    border: 2px solid #fff;
    font-size: 16px;
    width: 250px;
    font-family: Arial, sans-serif;
    box-sizing: border-box;
    background-color: #fff
}

input[type="text"]:focus, input[type="tel"]:focus, input[type="email"]:focus, select:focus {
    border-color: #fff;
    outline: none;
}

.business-form {
    margin-top: 40px;
}

.stark-tern-theme {
    border: 2px solid #555;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.stark-tern-theme h3 {
    color: #ddd;
    margin-bottom: 20px;
}

.stark-tern-theme p {
    color: #aaa;
}


#calculator {
    margin: 20px;
    padding: 10px;
    border: 1px solid #ccc;
}

#display {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
    font-size: 20px;
}

#calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

#calculator-buttons button {
    padding: 10px;
    font-size: 20px;
    cursor: pointer;
}

#calculator-buttons .equal {
    background-color: orange;
}

#calculator-buttons .clear {
    background-color: red;
    color: #fff;
}

.slideshow-container {
    max-width: 1000px; 
    position: relative;
    margin: auto;
}

.mySlides {
    display: none;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    margin-top: -22px;
    padding: 16px;
    color: white;
    background-color: rgba(0, 0, 0, 0.8);
    font-weight: bold;
    font-size: 30px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    margin-left: 180px;
    margin-right: 180px;
}

.prev {
    left: 0;
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}


.prev:hover,
.next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.caption-container {
    text-align: center;
    background-color: #222;
    padding: 2px 16px;
    color: white;
}

.row {
    display: flex;
    justify-content: center;
}

.column {
    flex: 15%;
    padding: 5px;
}

.demo {
    opacity: 0.6;
    cursor: pointer;
}

.active,
.demo:hover {
    opacity: 1;
}

.thumbnail-container {
    text-align: center;
    margin-top: 20px;
    white-space: nowrap;
    overflow-x: auto; 
}

.thumbnail {
    cursor: pointer;
    height: 50px; 
    width: auto;
    margin: 5px;
    opacity: 0.6;
    display: inline-block;
}

.thumbnail:hover {
    opacity: 1;
}


.wireframe img {
    width: 300px;
    height: 200px; 
    margin-right: 10px; 
}



@media (max-width: 575px) {
    body, h1, h2, p, ul, li, a {
        margin: 0;
        padding: 0;
    }

    header, footer {
        padding: 10px 20px;
        text-align: center;
    }

    nav a {
        margin: 0 10px;
    }

    main {
        max-width: 100%;
        margin: 10px;
        padding: 10px;
    }

    .slideshow-container, .thumbnail-container {
        max-width: 100%;
        margin: 10px auto;
    }

    .thumbnail {
        height: 30px;
    }

    .prev, .next {
        font-size: 18px;
        margin-left: 10px;
        margin-right: 10px;
    }

    img {
        max-width: 100%;
        height: auto;
    }
}