* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    font-family: 'Arial', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    width: 100%;
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), url(images/md_double_winners1.JPEG) 20% 80%;
    background-size: cover;
    background-attachment: none;
}

.hero_title {
    padding-top: 150px;
    padding-left: 40px;
}

.hero_title h1 {
    color: white;
    font-family: "Gill Sans", sans-serif;
    font-weight: lighter;
    font-size: 72px;
}

.logo {
    width: 50px;
    position: static;
    float: left;
    margin: 5px 15px;
}

.textlogo {
    width: 200px;
    margin: 10px 0px;
    float: left;
}

nav {
    position: fixed;
    width: 100%;
}

nav ul {
    list-style: none;
    background: rgba(0, 0, 0, 0);
    overflow: hidden;
    color: ghostwhite;
    padding: 0;
    text-align: right;
    margin: 0;
    transition: 1s;
}

/*USED FOR THE JAVASCRIPT FUNCTION*/
nav.black ul {
    background: #000;
    opacity: 75%;
}
/*------*/

nav ul li {
    display: inline-block;
    padding: 20px;
}

nav ul li a {
    text-decoration: none;
    color: ghostwhite;
    font-size: 18px;
    font-family: sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav ul li a:hover {
    color: #0073e6;
}

.aboutus {
    display: flex;
    flex-direction: column;
/*    flex-wrap: wrap;*/
/*    height: 100vh;*/
    height: auto;
    width: 100%;
    background: ghostwhite;
    padding: 50px;
}

.au_content_section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-shadow: 8px 5px 5px darkgrey;
    padding: 20px;
    margin-bottom: 20px;
}

.au_content_section .au_title {
    text-align: center;
    text-transform: uppercase;
    font-size: 36px;
}

.au_content_section .au_content p {
    margin-top: 10px;
    font-family: sans-serif;
    font-size: 18px;
    line-height: 1.5;
    color: darkslategrey;
}

.au_title h1 {
    font-size: 1.5em;
    color: darkslategrey;
}

/* Cards Container */
.links {
}

.cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 75px;
/*    max-width: auto;*/
    width: 100%;
/*    height: auto;*/
    margin: auto;
    background-color: #0073e6;
}

/* Individual Card */
.card {
    background: ghostwhite;
    color: darkslategrey;
    width: 23%;
    margin: 10px 0;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 3px 5px 5px black;
}

.card:hover {
    transform: scale(1.05);
}

.icon img {
    height: 50px;
    margin-bottom: 5px;
}

.text h3 {
    margin: 10px 0;
}

/* Responsive Design*/
@media (max-width: 768px) {
    .card {
        width: 48%;
        margin: 10px 1%;
    }
}

@media (max-width: 480px) {
    .card {
        width: 100%;
        margin: 10px 0;
    }
}

/* STORE AND STORE BUTTON SECTION*/
.store {
    width: 100%;
    height: 100vh;
    background: url(images/marlow_merch_promo2.png) 95% 5%;
    background-size: cover;
    background-attachment: none;
}

.button_div {
    padding: 250px 60px;
}

.store_button {
    position: relative;
    padding: 20px;
    border: none;
    color: ghostwhite;
    background-color: #555555;
    border-radius: 25px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    font-size: 32px;
}

.store_button:hover {
    background-color: #005bb5;
    box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24), 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

/*GET IN TOUCH SECTION*/
.contactus {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), url(images/belgium_tour1.JPEG) 10% 90%;
    background-size: cover;
}

.cu_container {
    opacity: 80%;
    background: ghostwhite;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.cu_container h1 {
    margin-bottom: 20px;
    color: darkslategrey;
}

.cu_container p {
    color: darkslategrey;
}

/* Form Styles */
form {
    display: flex;
    flex-direction: column;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.form_button {
    padding: 10px;
    background-color: #0073e6;
    color: ghostwhite;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.form_button:hover {
    background-color: #005bb5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .cu_container {
        padding: 20px;
    }

    input[type="text"],
    input[type="email"],
    textarea {
        font-size: 14px;
    }

    button {
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .hero_title h1 {
/*        font-size: 45px;*/
        font-size: 38px;
    }

    .hero_title {
    padding-top: 250px;
}

    .aboutus {
        flex-direction: column;
    }

/*    .au_container {
        width: 80%;
        padding-top: 50px;
    }*/

    .au_content_section {
        width: 100%;
        margin-bottom: 20px;
        padding-top: 50px;
    }

/*    .au_image {
        width: 100%;
    }

    .au_image img {
        width: 100%;
    }*/

    .au_content_section .au_title {
        font-size: 19px;
    }
}