:root {
    --header-background: #00471c;
    --body-background: #efeae1;
    --section-background: #2d523f;
    --footer-background: #452A0C;

    --header-text-color: #eee;
    --body-text-color: #00471c;
    --section-text-color: #efeae1;

    --header-font: "Roboto", sans-serif;
    --body-font: "Cause", cursive;
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
    margin: 0;
}

body {
    min-width: 400px;
    margin: 0 auto;
    background-color: var(--body-background);
}

header {
    z-index: 10;
    background-color: var(--header-background);
    font-family: var(--header-font);
    height: 4rem;
    position: fixed;
    top: 0;
    width: 100%;
    border: 4px solid black;
    border-top: none;
}

header nav {
    height: 100%;
    display: flex;
}

ul {
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

button {
    background: none;
    border: none;
}

header img {
    filter: brightness(0) invert(1);
    height: 100%;
    position: absolute;
    right: 2rem;
    top: 0;

}

#hamburger-menu {
    font-size: 3.5rem;
    padding-left: 1rem;
}

#hamburger-menu::before {
    content: "≡"
}

header a {
    height: 100%;
}

.navigation {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    height: fit-content;
}

.open {
    display: flex;
    flex-direction: column;
    background-color: var(--header-background);
}

.navigation.open {

    border: 4px solid black;
}

header a {
    color: var(--header-text-color);
    padding: 1rem;
    display: block;
}

.navigation a:hover,
.navigation a:active {
    background-color: var(--section-background)
}

main {
    margin-top: 4rem;
}

#opener {
    position: relative;
    display: flex;
    justify-content: center;
}

#opener img {
    width: 100%;
    height: auto;
}

.title {
    color: var(--header-text-color);
    background-color: var(--header-background);
    position: absolute;
    padding: 1rem;
    top: 5%;
    font-family: var(--header-font);
    width: 100%;
    text-align: center;
    border-top: 2px solid black;
    border-bottom: 2px solid black;
}

.title h1 {
    padding: .4rem;
    font-size: 1.5rem;
}

.title p {
    padding: .2rem;
}

#opener .button-container {
    position: absolute;
    top: 85%;
}

.button {
    background-color: var(--header-background);
    color: var(--header-text-color);
    font-family: var(--header-font);
    border: 2px solid black;
    border-radius: 10px;
    padding: .7rem 2rem;
    font-size: 1.2rem;
}

.button:hover {
    background-color: var(--section-background);
}

#about-section {
    background-color: var(--section-background);
    color: var(--section-text-color);
    font-family: var(--body-font);
    border-top: 2px solid black;
    border-bottom: 2px solid black;
    position: relative;
}

#about-section img {
    width: 100%;
    height: auto;
}


#about-section h2,
#about-section p {
    padding: 1rem;
}

#bio img {
    width: 20%;
    height: auto;
    margin: auto 40%;
    padding: .5rem;
}

#review {
    background-color: var(--section-background);
    color: var(--section-text-color);
    font-family: var(--body-font);
    padding: 1.2rem 2rem;
    height: 14rem;
}

#review-stars {
    padding-bottom: 1rem;
    font-size: 1.5rem;
    color: #f7db32;
}

#review-name {
    font-weight: 600;
    font-size: 1.2rem;
}

#review>p,
#review>h2 {
    animation: fadeInOut 10s ease-in-out infinite;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0;
    }

    20% {
        opacity: 1
    }

    80% {
        opacity: 1;
    }
}

#services-list {
    background-color: var(--section-background);
    color: var(--section-text-color)
}

#services-list h1 {
    text-align: center;
    font-family: var(--header-font);
    padding: 1.5rem;
    background-color: var(--header-background);
    color: var(--header-text-color);
}

#services-list .service {
    display: grid;
    grid-template-columns: 1fr 1fr;
    font-family: var(--header-font);
    padding: 2rem;
    border-top: 2px solid black;
    font-size: 1.5rem;
}

.service p:last-child {
    margin-left: 1rem;
    text-align: center;
}

#services-list .service:last-child {
    border-bottom: 2px solid black;
}

#schedule-lesson {
    padding: 3rem;
    font-family: var(--header-font);
    text-align: center;
    margin-bottom: 2rem;
}

#schedule-lesson h2 {
    color: var(--body-text-color);
    padding: 2rem;
}

.company-name {
    background-color: var(--header-background);
    color: var(--header-text-color);
    font-family: var(--header-font);
    padding: 3rem;
    text-align: center;
    border-bottom: 2px solid black;
}

#contact-info {
    display: flex;
    background-color: var(--section-background);
    color: var(--section-text-color);
    justify-content: space-between;
    align-items: center;
    overflow: hidden;
}

#contact-info p,
address {
    font-family: var(--body-font);
    font-style: normal;
    font-size: 1.5rem;
    padding: 0 1rem;
}

#info-text {
    font-family: var(--header-font);
    padding: 2rem;
    margin: 0 auto;
    overflow-wrap: anywhere;
}

.info h2 {
    padding: 1rem;
    width: 100%;
}

.info {
    display: grid;
    grid-template-columns: 1fr 2fr;
    padding: 1rem;
    margin-left: -2rem;
}

#contact-info iframe {
    display: none;
}

footer {
    margin-top: .3rem;
    background-color: var(--footer-background);
    color: var(--section-text-color);
    font-family: var(--header-font);
    padding: 2rem 6rem;
    display: flex;
    flex-direction: column;
}

footer p,
footer>div {
    text-align: center;
    color: var(--header-text-color);
    display: block;
}

footer>a {
    align-self: center;
}

#logo-footer {
    width: 10rem;
    height: auto;
    align-self: center;
    margin: 1rem 0rem;
}

footer nav {
    align-self: center;
    padding: .2rem;
    border-bottom: 2px solid white;
    display: flex;
    justify-content: space-evenly;
    width: 80%;
    height: 3rem;
    margin-bottom: 2rem;
}

footer nav img {
    padding: .4rem .8rem;
}

footer img {
    width: 3.2rem;
    height: auto;
    filter: brightness(0) invert(1);
}

footer>div {
    height: 3rem;
}

#back-to-top>a {
    font-size: 3rem;
    color: var(--header-text-color);
}

.footer-info {
    display: none;
}

#packwalk-img {
    width: 100%;
}

#error-container {
    display: block;
}

#error-img {
    width: 100%;
}

#error {
    text-align: center;
    font-size: 3rem;
    color: var(--header-background);
    font-family: var(--header-font);
}

#error-msg {
    font-family: var(--body-font);
    color: var(--footer-background);
    font-size: 2rem;
    text-align: center;
    padding: 2rem;

}

#return-button {
    display: flex;
    text-decoration: none;
    color: var(--header-text-color);
    font-size: 1.5rem;
    align-items: center;
    background-color: var(--header-background);
    font-family: var(--header-font);
    padding: 1rem;
    width: 45%;
    justify-content: center;
    margin-left: 26%;
    border: 2px solid black;
    border-radius: 10px;
}

#error-msg-container {
    padding: 2rem;
}