* {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", "san-serif";
}

header {
    background-color: #4a545cbe;
    width: 100vw;
    padding: 40px 0;
}

.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.popup {
    background-color: #4bcaff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 300px;
    text-align: center;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover {
    color: red;
}

nav a {
    padding: 10px 20px;
    text-decoration: none;
    color: inherit;
}

.border {
    border: 3px solid transparent;
    margin: 0 10px;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.border:hover {
    border: 3px solid currentColor;
    color: #4bcaff;
}

.section-container-main {
    background-image: url("../img/Hero.png");
    background-size: cover;
    background-position: center center;
    width: auto;
    height: auto;
}

.banner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    padding: 30% 0 18% 0;
}

.banner h2 {
    background-color: #4a545cbe;
    display: inline-block;
    margin: 0.2em 0;
    padding: 0.2em 0.5em;
    font-size: 2.3rem;
}

.section-container-services h1,
.section-container-testimonials h1,
.section-container-contact h1 {
    padding: 5rem 0 1em 0;
}

.section-container-services {
    background-color: #4bcaff;
}

.section-container-services-items {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    column-gap: 50px;
}

.section-container-services-item h3 {
    padding: 1.5rem 0;
    font-size: 1.7rem;
}

.section-container-services-item p {
    padding-bottom: 5rem;
}

.section-container-testimonials-name {
    padding-top: 2em;
    padding-bottom: 5em;
}

.section-container-contact {
    background-image: url("../img/Contact_photo.png");
    background-size: cover;
    background-position: center center;
    width: auto;
    height: auto;
}

form#contactForm label {
    display: block;
    margin-bottom: 8px;
}

form#contactForm input {
    width: 80%;
}

form#contactForm input,
form#contactForm button {
    height: 50px;
}

form#contactForm button {
    width: 70%;
    background-color: #4BCAFF;
    border: none;
}

form#contactForm button:hover {
    background-color: #3088ad;
    color: #969696;
    border-width: 2px;
    border-style: outset;
    border-color: #427288a9;
    border-image: initial;
}

form#contactForm input,
form#contactForm textarea,
form#contactForm button {
    margin-bottom: 3rem;
}

.form-grid {
    grid-template-columns: repeat(2, 1fr);
}

.form-item {
    grid-column: span 1;
}

.form-item p {
    padding: 0 1.5rem;
}

.form-item-large {
    grid-column: span 2;
}

textarea {
    resize: none;
    height: 150px;
}

.form-item input,
.form-item-large textarea {
    background-color: #00000000;
    border: white 2px solid;
    width: 100%;
    color: #ffffff;
}

#footerNav, #footerYear {
    padding: 3em 0;
}

#footerNav {
    grid-column: span 2;
}

#footerYear {
    grid-column: span 1;
    grid-column-start: 5;
}

.footer-child {
    grid-template-columns: repeat(4, 1fr);
}

footer {
    background-color: #30353ace;
    height: auto;
}

footer a {
    text-decoration: none;
    color: #4a545c;
}

footer a:hover {
    color: #3b4349;
}